The new Automatic Transfer system of the data center

Automatic Transfer system, since the data center introduced the higher-ups technologies such as cloud computing, virtualization, immediately changed shape, these technology significantly improved the efficiency of data centers, has brought many benefits to data center.However, there are two sides to anything, when we enjoy the benefits of new technology, also brought inconvenience to the data center operations management, need the number, size and complexity of the management object from exponential growth, the traditional manual intervention, nanny management monitoring and troubleshooting methods cannot meet the requirements.Such as for public cloud and large private cloud, servers often can reach tens of thousands to hundreds of thousands, millions of scale, all kinds of systems of cloud services and tenants, the number of business application load level has reached tens of millions and millions of degree, so on artificial maintenance is not reality, all must introduce automatic and intelligent operations management model, the maintenance management efficiency from the average per capita several servers, promoted to thousands of servers per person.Operation and maintenance management cannot be a stumbling block to cloud development in the data center, and it should also follow the development of data center.This paper will introduce some new techniques in modern operation and maintenance.

Automatic artificial fault repair mechanism.
Data centers inevitably have problems that are not only slow but also prone to miscalculation.You might as well leave this identification to the software.First, to establish a fault pattern library, long-term accumulation of various once or may appear failure anticipation, recognition, and the failure library content to keep updating, real time to put some new fault type and experience are entered.Second, inform the software device fault judgment method, judging by the software automatically, the software according to the collected from each data center equipment running parameters, compared with the parameters of the fault mode garage save, if found to have the same, as the data center is out of order.Finally, the data center can notify the operation and maintenance personnel by warning, or the software can perform one-click repair.The significance of this depends on the business and the accumulation of experience the richness of data center failure, one thousand error recovery actions, may lead to secondary fault, bring greater losses to the data center, so repair mechanisms must discreet, non-emergency business failure is not recommended automatic repair, for staff to manually perform repair again after confirmation.Increased, in fact, the introduction of cloud computing data center fault automatic detection and the difficulty of the repair, all the application of the business and from the physical hardware equipment, formed a pure software in the virtual world, complex virtual system brought trouble trying to identify and distinguish a difficulty, which brought great challenge to the automation of artificial fault repair.However, the road to automation of data center operations is inevitable, and too much human cost can't be borne by any data center with high speed expansion.
Log and monitor information centralized management and control.
Traditional data center, the software and hardware system log monitoring information are often relatively scattered isolated, no implement automatic associated with business and user, when fault occurs, even need to login to each device, inefficient.In some data centers, despite the deployment of network management systems and log servers, manual inspections are still required.When hundreds of thousands of devices output logs at the same time, huge amounts of data can't be checked at all, and this information needs to be analyzed and judged.A lot of cloud platform, data center construction operations management is to get the unified handling these huge amounts of data, is still by judgment conditions in advance, and then found that do not conform to the conventional log in a timely manner the alarm.Cloud judgment conditions ignored the log alarm equipment, only care about have an impact on the business of log information, design some special judge fault conditions, these conditions need to communicate with all sorts of equipment manufacturers, has confirmed these judgments are effective, and deployment in the cloud platform.Cloud platform function is very powerful, just rely on the equipment log to diagnose the active output is not enough, it can also be active from the data center of any link acquisition monitoring information, the real-time monitoring information can reflect the whole data center integrated state of the system operation, once appear abnormal, the value of parameters or have change, will be cause for alarm, the alarm output.
Machine learning mechanism for big data.
Traditional data center find the fault repair advice and treatment, mainly depends on the cloud platform to collect the log and monitoring information, through the operations staff long-term accumulated experience, people's behavior is the most unreliable, experience a lot of the time is wrong, the machine will not go wrong, as long as you give it enough learning information, it can make the right judgment.Master recently very fire, and the Master is a robot will go, in a recent chess game, has obtained the 60 wins and 1, 1 and or because dropped by system and, defeated candidates including wei-ping nie go top masters, this shows that as long as give enough study time equipment, it can be far more than human wisdom.Operations management can also introduce the machine learning technology, through the analysis of the data center operations mass data, using big data modeling, automation, intelligent dig out more high-value, outside the scope of operations staff cognitive failure mode and system optimization, so as to further enhance the efficiency of the system operations.By big data, machine learning, the large-scale operational performance and failure law of scenario analysis, trend prediction and fault returning for identification, improve machine automation operational ability, eventually it will be more than one pt dimension accuracy, like robots play weiqi, final machine operational data center will greatly exceed the automatic to do it.People just need to study how to get these machines to learn properly and learn well.
It is obvious that the new automation operation and maintenance technology features of cloud data center are mainly: automation and self-learning.Self-learning by machine, automatic completion of data center operation and repair.Although the future data center is larger and more complex, the management of operation and maintenance should be simplified to realize automatic operation and maintenance management.Data center operations exclude human factors, so that the data center can form a complete autonomous system and realize the true unmanned data center.Of course, there is still a long way to go for automated operations in the data center, and no data center can truly be detached from human participation.This is like self-driving car technology development, technology complex, and completely changed the existing way of life, it takes a long time to accept people to accept it.As for the data center, the automatic operation and maintenance technology is good, but it is not mature enough. Many people hold a wait-and-see attitude and hope that the future technology can be improved quickly.

機房建置：關於數據安全的新思考

機房建置，和IT基礎設施的大多數領域一樣，安全歷來都是一個孤立的領域，致力於保護數據、應用程序和網絡連接。隨着自帶設備(BYOD)政策和網絡端點的出現，大多數公司的安全實踐是以被動反應的方式演變的，也就是按照具體的需求來獲取和使用新技術。
大中型企業部署50項或更多安全技術的情況並不少見。雖然性價比不高，但到目前爲止，這種方法在應對各種攻擊方面確實有幾分效果。

現在，安全威脅正以前所未有的速度變化，迫使企業轉向更具前瞻性的安全模式。攻擊的焦點和手段日新月異，攻擊的目標空前廣泛，在這種情況下，需要採取積極主動的方法和統籌全局的安全策略。
當今的網絡安全
管轄權問題和匿名性助長了網絡犯罪活動。現在，黑客具備的能力和擁有的資源超過了以往任何時候。互聯網使黑客只需要點擊一下鼠標就可以拉近與所有人的距離，他們似乎比從前更加大膽、更富有攻擊性。結果，安全威脅與日俱增，攻擊更加複雜，損失愈發嚴重。
幸好，企業已經注意到了安全領域的這種變化，正在採取措施加以解決。受IT服務解決方案公司Datalink的委託，IDG Research Services公司近期對美國大公司的100多位IT高管進行了一項調查，發現在回答他們公司的前五大IT投資方向時，受調查者最常提到的就是改善IT安全。他們中的大多數人(75%)還表示，與兩年前相比，安全問題現在變得更加重要。
顯然，如果企業不希望淪爲網絡攻擊的受害者，就必須制定和實施全面的IT安全策略，確保數據的機密性、完整性和可用性。然而，很多傳統的安全技術已經跟不上變化。而且，據Cybersecurity Ventures估計，到2019年，全球網絡安全人才缺口將達到150萬。這種人才缺口反映到微觀層面，意味着對很多企業來說，IT安全的專業化程度越來越高，而通常人手很少、資源有限的IT部門卻被要求承擔重大的責任。
範式轉換：安全新邊界
企業通常會爲他們的網絡建立安全邊界。然而，事實越來越清楚地表明，更恰當的焦點是數據中心，尤其是對那些剛開始沒有資源來保護各方面操作的企業來說。數據中心是企業存放應用程序和數據的地方，往往是企業最寶貴的數字資產，也是網絡罪犯最頻繁攻擊的目標。
當然，爲數據中心建立安全邊界說起來容易，做起來卻很難。“邊界”也許在五年前很容易確定，但網絡技術和網絡形態的每一次進步都使邊界變得愈發模糊。雲計算、混合雲、彈性網絡等新技術導致安全邊界更加難以確定。如果再考慮到包括合作伙伴、供應商和服務提供商在內的商業關係也在變得更加複雜，這些技術的複雜性就更高了。把所有層面都考慮進去後，這便成了一項重大的挑戰，但還是可以做到的。
建立新邊界並不意味着拋棄本地安全的概念。理想情況下，目前的措施應該保留下來，但只是作爲全面策略的一部分。
反思數據中心設計
想要應付近些年來日益猖獗的網絡犯罪，顯然需要企業做出根本性轉變。網絡交易的可見性是加強安全的關鍵。不幸的是，目前的基礎設施劃分方法使得追蹤系統的數據請求和返回數據的最終到達變得十分困難。
在反思數據中心的運作方式時，企業必須考慮以下幾個重要問題：
監控將在哪裏發生?信息聚集在哪裏很重要，因爲傳送過程中的地址會不斷改變。如果你只着眼於入口點和出口點，就會錯過服務器上應用程序之間的東西互動。哪些設備和事件應該下最大力氣進行監控?應用層面?系統層面?用戶層面?所有這些?都不是這些?“正確”的答案取決於業務類型和流經基礎設施“脈絡”的數據的敏感性。企業需要技術提供什麼安全能力?企業是否需要日誌信息、數據包捕獲和外部威脅情報?是否有能力收集、存儲、處理和關聯信息?警報是如何處理的?對於問題如何分類、升級和解決，所有人必須立場一致。
企業不同，答案也不盡相同。絕對沒有一種“萬金油”式的網絡安全方法。企業的安全策略必須契合其商業目標、風險承受能力和部署能力。因此，企業在制定全面的安全策略時，應該考慮尋求幫助。
拋棄過時看法
以前，安全技術要想發揮作用，必然導致網絡速度慢到不行。結果，企業不得不在嚴密保護和高生產率之間二選一。由於生產率能創造收入，因此常常勝出。安全功能會束縛數據流動和應用程序表現的看法，如今也依然存在。
想要讓安全措施被採納，IT必須向企業清楚地表明，新技術是強大、快速和準確的。它能迅速檢查輸入流量，發現和處理可疑查詢，並讓合規查詢自由通過。
另一個錯誤的看法是，不同的安全技術無法結合成一個統一的安全策略。現在最好的系統都擁有開放的應用程序編程接口(API)，能夠簡化與其他技術的整合。
展望未來
顯然，下一代數據中心必須把信息的安全性融入其設計中，不能事後來補救。但想要讓數據安全真正起作用，企業的安全策略必須把人、過程和技術都納入考量。
無論是現在還是未來，人都是最脆弱的一環。實施新技術時，企業必須確保相應的支持人員受到適當培訓，且樂於承擔其職責。同樣，過程必須經過檢查和改進，以有效利用新的能力和功能。
很多時候，企業雖然獲取並部署了最新技術，但卻未能物盡其用。這就像購買了一輛功能豐富的高檔汽車，但卻不願意去了解那些功能有什麼用。用指標來定義和衡量成功是很重要的。
及早和經常讓公司股東參與安全技術評估和選擇過程，這有助於使安全技術獲得支持和認可。適當的政策也非常重要。公司領導層必須知道，他們的安全命令是如何轉化成安全行動的。把技術解決方案與企業政策和標準聯繫起來是必要之舉。
拓展安全邊界，採取新的數據中心設計方法，培訓人員，改進過程以充分利用新的安全技術，這些都是艱鉅的挑戰，但也只是個開始。想要領先於網絡罪犯，IT安全專家必須攜手合作，分享他們的經驗和知識。越能更快地收集、消化和分享關於安全威脅的趨勢與具體類型的信息，就越能更快地執行相關的解決措施，IT也就越能有效地保護企業免受任何負面影響。

Five principles of data center migration service guarantee

Data center migration carries a large number of application businesses. Every major holiday or visit to hong feng needs to be covered in order to prevent emergencies and affect the application.Such as: 11 big Internet electricity double promotion, high examination site registration, APEC and other important events, and so on, these events have plenty of time node is particularly important, as far as possible don't wrong, have a plenty of access to the data center traffic pressure particularly big, try to avoid problems.So a year down, data centers need to guarantee the large and small events indeed many, also have different emphasis and service tasks, how to do the security work, tests the ability level of data center operations service.This article focuses on the five principles of the data center service guarantee work. The following principles will be described, and the service guarantee will be well done through these principles.

First of all, the data center should be clear about every business that needs to be secured, grasp the pain points, and solve the pain points.If it is a big holiday, then the test is the stability of the overall data center management, especially the holidays which application traffic will increase, to plan ahead, according to the usual experience positive response.If there is such a problem in previous years, it must eliminate the hidden trouble before this service guarantee.If it is electric business promotion, access to the number of users to focus time, simulate the large number of visitors, whether system can absorb, then focus on computing, these resources will be enough bandwidth, have insufficient place to completion in a timely manner.A data center may carry hundreds or even thousands of applications, to clear what is in need of service failure, which is important and what is secondary, the importance of the application to be graded.In different activities, the importance of different application is changed, and it is necessary to adjust timely and put important forces into the guarantee of key nodes.
Secondly, the design of the data center and the operation and maintenance personnel should sit together and discuss the guarantee.Business operations people need to understand the system architecture of the data center, and treat the service guarantee work from a global perspective.The size and application of the data center is small and necessary.If a data center only dozens of small servers and network equipment, it is not necessary for an overall service security, to prepare some spare port and equipment, one thousand key moment out of the question, to recover the business is ok, don't need to put too much resources and energy into service.The data center does the service guarantee also need to consider comprehensively, the capital and manpower also need to measure the important convenience, should use the least input to get the best effect.It is very important to master the overall structure, and it is very important for the service guarantee to avoid the failure of various emergency solutions at the critical moment.Data centers to establish a real-time monitoring system, building services depend on the degradation of system, the construction of a redundant capacity architecture system, from the overall architecture level do service guarantee, so that you can avoid to put energy into a specific link, rather than the whole, and must have redundancy architecture level, so that in case of emergency, have a backup plan is optional, will be cut to the standby system, avoid the application of interruption.If there are serious application interruptions during the service guarantee, the service guarantee is a complete failure.
Third, we should rich service security tools, data center application business now more and more complex, simply by the PING and TRACERT command sometimes it is difficult to determine problem, especially on the surface of the application layer, so it is necessary to introduce some screening and monitoring tools.As the so-called "smart women can't make bricks without straw", the workers want to do their work, and they need to have some unique "concealed devices" in their hands, which can be used in the key time.Now from pure manual tool, tools, systematic, until the vessel is changed and flexible scheduling, what Scribe, Wtool free monitoring management tools can come in handy, be good at using these tools, through these tools for data center run various parameters were analyzed, and the data service is more effective.
Fourth, focus on new technologies.Every service guarantee is the best time to discover the hidden dangers and weaknesses of the data center, sometimes even before the service guarantee, so as to expose the hidden trouble ahead of time and make corrections in time.When it comes to difficulties, see if there are new techniques that can be easily solved.Now data center technology updated quickly, these new technologies are encountered in the process of dealing with data center development of new situation, when their data center also have these questions may wish to consider introducing some new technology to solve the problem.The data center is a reflection of the development of information technology today. It can't stick to the old rules. It needs to change when it needs to change.The introduction of new technology will not only give the data center a fresh feel, but also improve the processing power of the data center.Of course, the introduction of these new technologies should also be prudent, and particularly new and immature technologies should be fully considered to introduce risks and whether they are counterproductive.On the way of introducing new technologies, we should not take too big a step at a time. We should quickly move forward with small steps, and finally solve the problems faced by the data center with the advantages of new technologies.
Finally, the data center to do service need to invest a lot of manpower, sometimes alone their restrictive data center, after all, there are many systems and equipment are not data center operations personnel can master, can according to the importance of things at this moment, please provide the third party service some special professional company to do service data center.These service companies have a wealth of experience in service assurance, delegating tasks to these companies, saving money, and getting some compensation in case something goes wrong.Data center can also be a system or equipment manufacturer, please do service, data center each year to purchase a large amount of equipment, sometimes to buy original factory personnel service, these can be used in the service.The money and manpower invested will be more, but will be greatly improved in dealing with emergencies.The data center should make full use of all kinds of internal and external resources to ensure the service guarantee.
The above introduction is the five principles of data center service guarantee, which guides the actual work of service guarantee according to these five principles, which will greatly improve the quality of service guarantee.The application on the data center is particularly important at certain times, and the key moment can not lose the chain, it must rely on these five principles to do a good job in the service guarantee work.

How does website design choose the space that suits oneself?

Website design is just for the sake of their application in the convenient time, which in the design can have various considerations, only a comprehensive consideration to design a suitable site, provides great convenience for their work, a few days we'll go over the net station construction problems, find a way the most appropriate.

1. Space operating system
We all know that the operating system of the website is the most important in the website, and the operating system suitable for us is very helpful to the building of the site. The current server operation system has two systems, Windows and Linux. Universality, Windows system is easy to operate and visualize interface. Linuxushi needs to have a certain understanding of it, but for security, Linux system has advantages over Windows system.
2. Language program
Our server supports which languages to see its running environment, website program mainstream language: HTML and so on, but for ourselves, we usually use HTML and other languages. HTML supports all running environments.
3, the selection of space capacity and database capacity
The choice of site space is very important, if a long time to upload pictures and other information can lead to more and more space capacity is not enough, if only a display of the site 500M-1G space on foot, but a picture and video site, is the best selection of slightly larger capacity space, general 300M has big enough, but in order to reduce the pressure on the database, we have generated the best HTML, and static pages are stored in the server.
4, concurrency connection number
The so-called number of concurrent connections is the number of requests sent to the server within a certain time, and the number of users responding at the same time is the number of concurrent connections. If a long time goes beyond this amount, the server will be paralyzed, the site will be slow or even crash. Therefore, we should pay attention to the setting of the number of concurrent connections, more than 200 people in general, for the active business city and other websites need large concurrency to support.
In short, in the construction site in the space, we must carry on the construction according to their own needs, it is best to meet their own needs as long as you can, the construction not Tandaqiuquan, as time and energy is not allowed.

Power distribution system is the pain of the data center

Power distribution system, Power supply to data center is as important as the heart to human, without the Power of the continuous Power supply data center will not be able to operate.When the equipment in the data center has automatic power failure, shutdown, power failure and other related adverse phenomena, it is called the power failure.The loss of power to the data center will be very serious, and the data center may stop running, and all applications will not be able to continue.For example, in June, 2016, the equipment room of dalian telecom hub was suddenly broken due to a municipal power failure, which caused part of the circuit to short-circuit, and the damage of the transformer caused the trip, which resulted in the failure of the core equipment.The loss of power caused the mobile phone call and SMS of mobile network users in dalian city and lushun area, which could not be used normally.In November 2015, shanxi securities lost power due to the power of the data center, and the trading system of the stock market was interrupted, which caused many shareholders to be unable to conduct transactions, and the losses were serious.In October, 2012, the fifth anniversary of vancl, the machine room dropped the power and caused the visit of vancl. The website had no transaction for a long time, and lost a lot of income.In November 2011, one of the operators in tanggu, tianjin, lost power, resulting in a number of services such as roaming, pea pods, sina mailbox and so on.There are a number of examples of the number of business interruptions caused by the loss of power in such data centers.No one wants a data center electricity, power has become the data center a menace, because they don't know what time you'll find out electricity, would occur in which devices, power lost before without any warning, the data center, for the problem of power lost hand does.The loss of electricity has become a pain that the data center can't erase.

The loss of power not only causes losses in the running business, but also has many other negative effects.First of all, the loss of power is very harmful to the electronic equipment. When the equipment is running, suddenly the input is not supplied, and all the capacitor parts in the equipment are discharged.Power if it is completely ok, if it's frequent fluctuation of electricity, or power supply bad quality fluctuate, this kind of situation is the most likely to cause equipment within the capacitance properties of device failure, reduce the service life of equipment;Second power for electronic devices for internal use of memory storage devices, memory device is in the process of reading and writing, suddenly lose power, memory particles electric up and down repeatedly, quality bad memory chips are prone to damage, leading to the call, the device initialization had not to normal boot, equipment failure;The third drop can cause the application software system to run abnormal.For example: the damage to the LINUX system server.The LINUX file system contains EXT3, REISERFS, JFS, and other journaling functions, and these log file systems are overwhelmed by the loss of power.Commonly used EXT3 and REISERFS file system, when encountering sudden power drop, when the system is turned on again, it often happens that there is no self-lifting fault, and manual FSCK is required.
And also have damage to the ORACLE database, power leads to the ORACLE part of the control file, REDOLOG bad, bad Rollback Segment bad, data files, etc., when the power supply again, ORACLE database can't start properly, abnormal operation.Root cause of the abnormal application system is in the case of power lost, the application software of the data is not timely backup, if in the fall, after the occurrence of electric equipment can work for a few minutes later, keep the important data is complete, we would not happen this kind of failure.The fourth power outage is only one reason for the power failure. Many times it is not because there is no power supply, but the meaning of power loss is much wider.For example, the equipment failure caused the short circuit of the power supply line, resulting in a large electric current, which broke the switch of the fuse box, causing the power supply equipment to fall off.The power supply is protected by overpressure and overtemperature, and the power supply automatically enters the protection and no longer works. This will also cause the device to lose power.Sometimes, some important voltage on the device does not produce the power loss caused by the undervoltage protection, which is usually expressed as the power failure, and the voltage can not be measured with a multimeter.In short, the impact of the power drop on the data center and its equipment is multidimensional, and some precautions should be taken to avoid frequent power failure in the data center.
Most of the time, the data center is caused by human operation.Sometimes, when the power construction was carried out, the power cable was broken and the power was dropped.Sometimes in the adjustment of the equipment supply line, careless mistake leads to the fault or short circuit, which leads to the power loss of some devices. This kind of man-made failure is not uncommon, and the lesson is profound.Therefore, the primary task of the data center is to manage people, formulate strict and detailed operating rules, and avoid low-level human power failure.Data centers have redundant power supply, according to their own financial situation, on different levels of equipment power supply redundancy power supply, because only in all the way to power a data center all the equipment, electric, one thousand mains failure, the entire data center will be shut down.
So it's best to introduce two different grid, and the core equipment to have UPS, battery or backup power supply, so that when mains failure, really with backup power can guarantee the data center also continue to run for several hours, such as the utility to restore power, cut power supply input device to the mains, again to periodically check the backup power supply system of surplus capacity, backup power supply is on standby at ordinary times, and to use, it is important to ensure that power supply capacity, can't at a critical moment off the chain;It is necessary to evaluate the power supply safety of the data center periodically and verify the safety and reliability of power supply in a comprehensive way, and find out the problems that cannot be found in daily maintenance.Develop power supply emergency plan at the same time, clear off electricity failure process, operators, and vendor support requirements of the process, in the actual response to lose power, it can be done "food in the hand, do not panic in the heart".To maintain a good temperature and humidity environment in the data center, and avoid the electro static, corrosion, overpressure, overcurrent and other failures of electronic equipment, all of these can cause the equipment to fail.Although we do not know off electricity when faults occur, but we can do some protection work ahead of time, to avoid electrical, one thousand occurred off the electricity, also have complete emergency plan, ensure the data center business is not affected by power lost.
The loss of electricity is a pain that the data center can't erase. It has brought many painful lessons to the data center.After the above explanation, it can be seen that the power failure is terrible, but it can greatly reduce the frequency of power generation by developing some protection schemes.Even if it happens, there are redundant power systems deployed in advance to avoid damage to the data center business.

機房建置網絡最後一公里的戰爭

機房建置，最後一公里通常指完成長途跋涉的最後一段里程，被引申爲完成一件事情的時候最後的而且是關鍵性的步驟。在通信行業，經常使用最後一公里來指代從通信服務提供商的機房交換機到用戶計算機等終端設備之間的連接。最後一公里中所涉及用戶指家庭及個人用戶或小型商業用戶等處於網絡終端地位的用戶，接入形式也五花八門，常常是各大通信企業爭搶寬帶用戶的必爭之地。像互聯網搶佔各種流量入口一樣，在網絡最後一公里占上天機，就可能獲得高額的收入回報，縱然整個核心網絡建設得再好，沒有用戶接入也是空中樓閣，遲早會關門大吉。

機房建置網絡最後一公里接入也是充滿着競爭，和通信行業類似，很多接入方式也都用在了數據中心上。數據中心的客戶有來自互聯網的，有企業專線，還有家庭城域網用戶等等，不同的用戶羣接入數據中心的方式各有不同，數據中心要滿足多種接入方式的需要，誰滿足得越多，佔領的客戶體量越大，誰就能獲得市場認可，所以能夠取得數據中心網絡最後這一公里的戰爭勝利，對於數據中心最爲重要。
移動智能終端接入
如今，人人手中基本都有了移動智能終端，隨着3G、4G網絡的普及，人們可以根據自己的需要，隨時隨地觸摸互聯網，移動互聯網火了。移動終端是數據中心接入的重要形式，現在有越來越多的人都是通過手機來上網，訪問各種各樣在線的應用系統，處理各種事物。雖然我們能看到的是手機通過無線4G網絡訪問數據中心裏的各種應用，看似無線接入，實際上仍是有線連接接入。無線4G網絡最先連接到移動網絡的核心設備，在覈心設備裏都是有線連接網絡，通過有線來進行設備互連。雖然3G、4G普及很快，甚至開始出現了5G的實驗網，但和有線網相比，速度帶寬仍趕不上有線網絡。而且，有線網絡網速穩定，網絡質量高，相比之下無線網絡受環境干擾因素太多，信號強弱變化波動都很大，所以3G、4G網絡的核心部分仍是有線網。核心網通過有線網絡再接入到數據中心，這個過程中有無線網絡協議到有線以太網協議的轉變。
數據中心通過幾根高速鏈路與廣域網的核心設備互連，從而將從人們的手機開始，直到數據中心內部整個網絡鏈路訪問打通。爲了更好地支持移動終端的訪問，數據中心需要在應用界面顯示上做新的支持，同時確保在延遲較大，網絡有波動時訪問數據中心應用不受影響，保持良好的訪問體驗。數據中心要在多方面專門針對移動終端客戶做好支持。移動終端接入還有一種火熱的技術，就是WIFI接入。WIFI承載着全球超過42%的移動數據流量和90%平板電腦數據流量，是移動互聯網中的重要組成部分。很多時候不少人都在討論WIFI和4G/5G哪種技術纔是未來移動互聯網的主宰。實際上，兩者都是無線接入技術。和4G相比，無論從耗電、易維護性、硬件成本、配套設施，WIFI都比4G要低千倍。當然WIFI的安全性也飽受質疑，一些野WIFI的釣魚網站，經常讓人們上當受騙。不管是WIFI還是4G都是移動互聯網的接入形式，最終兩者的流量都要經過核心網絡進入到數據中心內部，所以兩者對於數據中心接入，本質上區別不大。對於數據中心也不用關心流量是來自WIFI還是4G，來了都能處理。
寬帶接入
寬帶分爲家庭用戶和企業專線用戶，一般家庭用戶是通過有線寬帶(或者ADSL撥號)接入到城域網絡中，城域網再經過廣域網連接到數據中心。對於數據中心這類用戶和移動接入的用戶沒有什麼區別，只是這類用戶多是通過電腦訪問，所以在應用顯示方式上與移動頁面不同，要加以區別對待。還有一部分是企業專線用戶，這類用戶一般對帶寬要求很高，需要租用一根或多根鏈路，接入到城域網中，也有直接接入到數據中心內部，直接由數據中心提供專線服務。數據中心如果能多有幾個這樣的大客戶，就可能衣食無憂了。對於大客戶，數據中心會額外重視，在網絡質量、數據冗餘備份上多下功夫。
WLAN接入
WLAN是作爲有線局域網絡的延伸而存在的，很多企事業單位都用WLAN來構建其辦公網絡，隨着WLAN技術的成熟，現在也已發展成爲公共無線局域網。WLAN具有易安裝、易擴展、易維護、易管理、高移動性、保密性強等特點。真正WLAN直接接入數據中心的並不常見，WLAN多是作爲有線網絡的接入部分存在，真正接入數據中心還是通過有線網絡。WLAN用戶多是電腦這些固定終端用戶，所以數據中心在處理上與寬帶接入的用戶無異。之前提到過WIFI，WIFI是WLAN的一個標準，WIFI包含於 WLAN中，屬於採用WLAN協議中的一項新技術。WIFI和WLAN，兩者發射信號功率不同，覆蓋範圍也不同，事實上WIFI就是WLANA(無線局域網聯盟)的一個商標。
不管是哪種接入方式，對於數據中心來說只有兩類客戶：一類是固定客戶端的，另一類是移動客戶端的，兩者在應用顯示上處理有所不同，在其它方面並沒有明顯區別。現在還很難看出哪種接入方式更能在未來獲得更大發展，這是一個多接入並存的時代，雖然像移動終端、WLAN接入還有無線物聯網現在都風頭正勁，但在重要的訪問應用上(比如企業業務、國家政府、大型金融機構等)，人們還是信任固定寬帶接入，寬帶接入的方式老大地位依然穩固，移動接入更多的是在個人購物、訪問等非重要性的應用上。不管如何，打贏網絡最後一公里的戰爭，都是數據中心取勝的關鍵。

Data center migration.The technical difficulties of mobile access

Data center migration, mobile Internet is the combination of mobile communication and Internet, and become one., according to the ministry by the end of October 2016, the total number of mobile Internet users in China has reached 1.077 billion, the number of users to access the Internet by mobile phone in 1.02 billion, a large number of mobile Internet users has brought enormous business opportunities, changed people's way of life.As an important part of mobile Internet, the data center is the most important one.The data center is the centralized place of Internet mass processing. Most data center data is for Internet users.Now, billions of Internet users are mobile.Access to the Internet via mobile phones, access to data centers, and access to the various application services provided by the data center, has infiltrated the public and deeply rooted in the public.However, no one thought of mobile Internet development so fast, a few years between access number increased from tens of millions to billions of above, and continues to high-speed growth (although only 1.4 billion people in China, but many people have begun to have two or more mobile phones), massive mobile data into to the data center has brought a lot of technical challenges.

Mobile access users are increasing, and the traffic is large.
Increase in the number of mobile users access speed is much more than we expect the pace of development, and network technology to chip performance growth, namely Moore's law, and at that time can't meet the user's access so much.In this way, when a large number of mobile users are accessing simultaneously, the network bottleneck is highlighted, resulting in poor user experience.This is why operators to develop the 4 g network, is to improve the mobile network access speed, is not only the carrier networks, the entry of the data center also needs to improve, g from 10 to 40 g 100 g, even entrance bandwidth, the objective is to deal with the mobile number of users access to the jump.However, the speed of the network construction is still can't keep up with the increase of the number of the mobile users, it using a mobile phone for application access, failure, broken network, playing video games, hd video broadcasting often visit caton, big flow of these in a short period of time will not be able to get the fundamental improvement.Fixed broadband mobile access and the biggest different is mobile properties, maintain access to the data center in the process of mobile application is not affected, need to introduce a new routing algorithm, don't interrupt, keep moving in the process of access to new basic network algorithm is needed here, in order to reduce the rate of bolt, for example in high-speed trains, on the subway, the weak signal in these special mobile scene, how to keep the data center access smoothly, be badly in need of some better algorithm.
The issue of mobile access security is prominent.
The mobile Internet has broken the boundaries of most of the business of the data center based on the network operation, and the security risks are even greater.In the mobile Internet environment, the TCP/IP protocol family of vulnerability, terminal operating system security vulnerabilities and attack technology popularization defects caused by the fixed network security issues still exist in the Internet environment, at the same time, also appeared some new safety problems and needs.Mobile phones are essential for mobile access.Mobile phone virus problems appear constantly loss, personal privacy of the information to the user information leakage, bank information disclosure, equipment malfunction or even damaged, and a series of harm, mobile phone viruses also can cause a serious threat to the safety of the data center.Current WIFI access extremely unsafe, especially some private erection, and special fishing, measure for measure, the chaos of the mobile access problem not only brought harm to the user, also cause losses to the data center.Many users encountered this kind of problem, their information was leaked or lost, often will anger to the data center applications, no longer use this application, for a data center is a large amount of loss of access to the user.The security of the mobile interface has hurt both the user and the data center, such as the street mouse, but there are many times when there is nothing to do.Security needs the efforts of the whole industry, from the aspects of technology, institutional constraints, personnel to ascend, otherwise there will be more and more data centers fall into the whirlwind of security.This greatly restricts the development of mobile access.
The data center application is designed for mobile access.
In the past, most applications of data centers were used for fixed user access. Nowadays, the number of mobile users is greatly increased, and the application is not considered. This will bring many problems.For example: WeChat application, compared with QQ, there are no offline and online concepts.It can be said that WeChat is 24 hours online, which should be consistent regardless of online or offline system performance.And one is the problem of the connection, due to the changes of cell phone signal strength, the signal is very good, a few seconds to poor reception area, the connection must be broken, the intermediate bring unstable factors bring greater difficulties to the protocol design.Then there is what price sensitive problem, because the mobile Internet is charged according to the flow rate, and the billing will make the problem of how to minimize transmission in protocol design, application software should avoid use mobile access to the user's flow, save the user traffic, not steal user traffic.People hate most is to steal flow software, found abandoned in the inevitable, the last is the problem of high latency, so many technical problems need to be in WeChat applications to consider and solve more.It's not just WeChat, it's a lot of apps on the phone.In order to better support mobile users to access applications, data center also to do optimization: on infrastructure to support virtual machine without awareness of migration, avoid single fault caused by the application, at the same time realize the long-distance backup data center applications, improve reliability in the data center;To support mobile users reconnect, rapid access to mobile traffic priority, in the process of transmission network traffic on priority tag, ensure priority for network, in order to make up for the defect of its high latency;Write data center to support double, two Master machine, when a machine fault, another machine can still receives the request, when the two machines staggered, a small amount of data is missing, the next visit will bring these data, and fix all the data, the application visit does not cause any influence.
Mobile access to the data center is still facing many technical problems, these problems are not at that time the can completely solve, it also suggests that the mobile Internet is still a is high-speed development and perfection of new things, not bad.It is not difficult to see, the development of mobile Internet have been unable to stop, the number of mobile users access data center will be more and more, although encountered such and such technical problems at present stage, but remember, these are not things that technology will continue to progress, step by step to remove on the way of development.

What are the details that need to be considered in the website design？

Website design, in the era of Internet and information technology, enterprises can not only publicize the image of enterprises, but also help enterprises in marketing, and even directly help businesses achieve product sales through the Internet. The enterprise can use the website to carry on the propaganda, the product information release, the recruitment and so on. The purpose of enterprise building is to show the company image, strengthen customer service, improve the network business, and establish business contact with potential customers. So now the construction website has also become a way for the development of enterprises. But building a website is not so easy. If you want your website to stand out among many competitors, you need to consider some details that others didn't consider when building websites.

1, clear technology is designed for the design, do not indulge in the use of technical realization, and resolutely abandon those flashy special effects.
2, understand the difference between users, do not neglect the difference between users. Users who can play the website will have online rookie. We should treat every user well, provide users with step-by-step guidance, and provide more concise browsing paths for older users.
3, understand user habits, different users' habits are different, but their website users are a group. They can build websites according to the majority of users' habits. At this time, the enterprise must carry out the investigation, analyze the needs and habits of the target users, and build the function of the website according to the user's needs and habits.
4, every description of the website should be easy to understand. The user basically is to understand the page content through the description, so when the enterprises in the construction site should also pay attention to this aspect, not to describe all of the website are all set to the same time in the preparation of description, note that this description is not can help users understand this page.
5, first define the unified external CSS for the site, and the internal pages call the CSS. This will not only make your webpage not change when browser changes settings, but also help maintain the style uniformity of the entire site and modify it conveniently. And optimize the page code as much as possible.
6, the image of the production of both size and beauty, picture and text of the mixed row, the reasonable compression of the picture can make the page beautiful and small files. Even if the 5 conditions are perfect design sites, too much time to waste on the page downloading can be annoying.
7, remember that the Internet sharing principle, do not attempt to encrypt your web page with the right mouse button to disable the function, the most insignificant skill will only make you cannot withstand a single blow, losing more supporters.
8, do not open too many new windows, each link will open different new windows, especially repugnant.
9, considering the compatibility of the platform, let your home page be as compatible as possible with more operating systems and browsers to adapt to different resolutions. To do this, you need to do more testing on different platforms and modify your design according to the results of the test. Even if the implementation can not be fully compatible, we should also strive to allow users with incompatible platforms to see the most critical content.

Raised floor, what should a qualified data center be?

Raised floor, along with the evolution of workload and rapid growth of business, data center experts take various roles and grasp various skills, and become a key element of IT devices. The emergence of cloud computing may cast a shadow on the future of the data center, but the cloud is not a worthless proposition.

Although this trend may cause some data centers to reduce in size, the workload that is retained inside the enterprise is often the most critical part of the operation of the business.
At the same time, enterprises are required to perform faster performance with fewer people. Therefore, tomorrow's general IT professionals must get rid of traditional and isolated roles, and have higher flexibility and interdisciplinary expertise to become an expert in data center.
The role of a data center expert
The development of technology is producing professional roles that are completely different from before, such as cloud technology engineers, IT architects and so on. But data center experts constitute the backbone of daily operations and play a number of core roles in the IT organization.
Monitoring: Data Center experts implement, support and use various monitoring and management tools on application programs, resource pools or physical devices; pay attention to important alerts and respond to events. They can use monitoring insight to recommend trend based operation process improvement, for example, allocate more storage to the workload that is close to its current storage limit.
Integration: Data Center experts should ensure that systems, services, and applications work correctly in deployment or integration. This requires an in-depth understanding of the interdependence between the system configuration in the data center and the system and application components. Experts often install and maintain systems, perform cabling and deploy other infrastructure, and often recommend component level improvements that can save cost and improve performance.
Troubleshooting: Data Center experts access logs and monitoring data to provide first level and two level support, and use root cause analysis technology to troubleshoot. The experts followed the established failure management procedures to ensure that the IT Department responded adequately and communicated with the downtime problem, followed by follow-up to ensure that the problem was properly solved. Experts can also recommend and implement positive measures to mitigate or prevent the occurrence of repeated problems.
Synergy: Data Center experts collaborate closely with users and other IT members, which requires clear written and oral communication, and often guides articles, guides and other contents for IT employees and users. The development of agile software development paradigms, such as DevOps, also emphasizes the need for collaboration, building operational support for continuous software development and release cycles.
Work requirements in the expert field of data center
Educational requirements depend on specific organizations, such as the size of the data center, the number of employees, and other issues. Generally speaking, data center experts should expect to have an associate degree of technology subject, though some larger organizations may be more willing to get a bachelor's degree.
Generic industry certification such as computing technology industry association's A + and Server + providers can help potential candidates, but these certification is usually not a job requirement. Usually, there is no need for supplier centered certification, such as CISCO certified data center expert, because supplier certification is usually focused on specific platforms, and there may be limitations associated with specific businesses.
Although data center experts do not need engineering level management skills, they should have intermediate Windows and Linux knowledge, and have the ability to deploy, configure, optimize, manage, monitor and troubleshoot these operating systems. Knowledge about virtualization tools, such as Hyper-V in Windows or knowledge of kernel based Linux virtual machines, is also helpful.
Data center experts should also be proficient in a variety of tools. Scripting tools such as PowerShell 6 are usually the lowest entry points, and experts should show more abilities in other platform directions, such as asset management, help desktop, application and system monitoring, facility management and document generation tools.
Finally, a successful data center expert can't ignore part of the physical aspect of the work. Timelines are usually volatile, and data center experts regularly shift to provide call availability for emergency maintenance and operation calls. The responsibility also includes a certain degree of manual labor, such as the movement, migration and repair of the heavy equipment during the installation process.
Jump out of the limit of thinking
Apart from roles and skills, the most important and most easily ignored feature of any data center expert is to help IT adapt to changing business needs. The simple adoption of a general list of best practices, the implementation of a stereotyped architecture or the brand of a fixed selection of suppliers will not achieve innovation. Data center experts who can improve business needs to more important than work safety, brand loyalty and personal technology preferences will finally succeed in the IT industry.

機房建置：如何正確的給數據中心減負？

機房建置，立春的鐘聲已經敲響了，大自然萬物復甦，雖然大部分地區還是乍暖還寒，但在春意盎然，陽光灑向萬物大地的時候，油膩的我們是時候“減減負”了。

華爲DCIM+
爲數據中心資產管理工作大“減負”
數據中心日益複雜，資產數量也持續上升，對資產的維保狀態，資產生命週期服役情況等提供有效的資產管理手段顯得尤爲重要。但很多數據中心並沒有資產管理系統，多數僅僅採用Excel表格的方式進行管理，但是Excel表格中的資產狀態和數據缺乏“思考”，使資產本身的價值無法得到最大化效果。
華爲DCIM+，全網資產邏輯化管理，避免一本糊塗賬。華爲DCIM+可以資源信息的精準採集、關聯分析與決策支撐：通過引入新型智能傳感器+物聯網技術，可以實現各類數據的實時採集、及時上報；深入理解業務場景，構建合適的業務模型。
資產U位自動識別技術
設備精準上架
提升空間利用率
利用資產U位自動識別技術，容量全局可視，查找最優機位並指導設備上架，大型EDC資源機櫃空間利用率提升10%~20%.比例，某數據中心需要上架新的設備，僅需4步即可搞定。
第一步：查看設備上架需求與機房容量使用現狀。
第二步：基於SPCN（空間/配電/製冷/網絡）查找最佳機位，提供最佳上架方案。
第三步：根據方案，設計設備上架，自動生成工單並派發。
第四步：利用U位自識別技術，保證IT設備精準上架。
機架資源預分配機制
可用資源全局可觀
直觀瞭解機房當前可用、已用機架數，統計機架使用、出租情況。對運營商COLO業務來說，可以實現對租戶的輕鬆管理——對租戶分佈、各租戶使用率、能源支出情況全面分析，便於更精準化營銷及業務擴容，避免不同業務的客戶機架資源衝突。
資產全自動盤點
釋放海量人力需求
通過RFID、機櫃U位條等自動化盤點技術，當設備發生變動時，自動進行信息同步，保證資產臺賬與實物清點帳一致，釋放了海量的人力需求。
華爲基於全球數百個雲數據中心的運營經驗，面向數據中心領域推出了DCIM+解決方案。在華爲DCIM+解決方案中，華爲構建了精細化的管理模塊，並結合大數據分析與物聯網技術，實現了精準感知、智能分析，從而幫助數據中心管理團隊提高數據中心資源利用率，支撐數據中心運營決策。

Data center migration, location is still important

The location of the of data center migration plays a vital role in the decision-making process of each company. The enterprise is investing in where to choose, where to build it, where the employees come from, and where and how to manage the data.
The needs of new data centers in the United States, Europe and the Far East are well documented. The rapid spread of cloud computing services and the emergence of a business model based on the Internet of things are promoting growth in the key data center hub. The Universal Data Protection Act (GDPR) for data protection, privacy and safety, which is to be implemented in Europe, will take effect in the whole EU in May 2018. It also provides a catalyst for the growth of data center market.

Although location is crucial for all investors, operators and developers, the construction cost of data centers and the specific market that affect different data center facilities and technology installation are the real driving factors.
Considering the complexity of market data center construction, highly dispersed nature, other operators with competitive price, as well as providing or selling space requirements, enterprises in the process of planning and construction of the data center as soon as possible to understand the cost, and compared with other operators.
This is the data center cost index TurnerTownsend company (Data Center Cost Index) analysis, pointed out that the reason for the large number of enterprises have invested cost including manpower and materials, in the construction of the data center, and compare the 18 global data center market has built new technology and project cost.
These findings provide an in-depth understanding of the market dynamics of these data center pivot and provide an important benchmark tool for data center operators and contractors.
The index shows that New York, San Francisco, London, Washington, and Hongkong are the five most expensive cities to build data centers in the world.
The common trend of these five data centers is high contractor profitability, stable cost upgrading, and market demand, which is higher than the supply of experienced data center contractors.
However, the index also reveals a major construction gap between cities. The cost of construction in New York and San Francisco is 25% higher than that of other existing data center markets. At the same time, the costs of Amsterdam, Paris and Stockholm are 10% lower than that in London.
The lowest cost of data center construction is Brazil's St Paul and India's Mumbai market, because its labor, material and equipment cost is lower than that of North America and European competitors.
The challenges facing all the major data hub hubs, and a challenge that will continue to exist in 2018 are the lack of skilled labour.
In the US, data center staff are more willing to migrate or move to data centers across the world than other parts of the world, which makes data center customers easier to attract high-quality delivery teams.
Similarly, data center contractors in the UK and Ireland will continue to ensure projects in the continent, especially without local data center expertise.
This trend is likely to affect the market in London and Dublin, and Africa is being driven by high margin work: professional contractors in Frankfurt to achieve up to 15% profit margins, Germany Frankfurt's profit rate is almost in London (6.5%) and Ireland (5%) Dublin three times.
As one of the world's fastest growing data center markets, Dublin has been rated as one of the most cost-effective sites for the 2017 construction data center. However, with the booming development of Irish construction industry, the construction cost inflation rate in 2018 is expected to reach 8%.. Although tax incentives still attract data center operators, Dublin lacks available electricity, which will continue to face construction challenges.
There is no doubt that the cost of the global data center market is very different. Therefore, understanding the cost of data center construction and installation as well as the continuous analysis of these data is very important for enterprise management cost and helping to deliver data center assets on time and in budget.

What should we pay attention to at different stages of web design?

Now, as an important channel of website design business into the Internet, many enterprises are building their own websites, want their website talent shows itself in many websites, to promote their brand through the website, so as to obtain more resources and customers. So how can we build an excellent website? In the different stages of the construction of the website, what are the key points to be paid attention to?

Early: the overall framework of the web site should be contoured
Website design requires strong practical ability. When designing the outline of a website, a general business can refer to a case or a peer website provided by a website. Here we should remind the decision-makers of the construction of the enterprise website. For the outline of the website, we must have their own new ideas, and do not imitate and copy them. Because only in the Internet to create a unique website full of personality color is the most competitive, in a word, the website must be "original".
The website address is a special consideration, most of a good domain name has been registered "rice farming" and the first, for in this area do not want to spend extra corporate website, follow two principles in the domain of choice: one is as close as possible with their own brand, such as spelling the brand with the letter, some enterprises directly on the domain name. This is good, but if the domain name is too long, the experience is not so good. Another principle is that the domain name is as short as possible, the shorter the advantage of the domain name will be fully reflected in the future website optimization.
Mid-term: internal chain adjustment, navigation column, search optimization
The website probably has the outline, so it is necessary to work on the details. In general, at this time, most of the work site construction company to complete, and the enterprise responsible person only need to be "wrong" on it. For people who have no sense of Web site, it seems that there is no clue to how to "look for things" on the site. So, here are a few small details:
1. the adjustment of the chain in the website
The chain adjustment refers to the site of the internal links in the chain adjustment, adjustment, simple adjustment said links are to be connected to where, what is the link URL, are all pages have a link to this page? There is no death.
The adjustment of 2. navigation columns
Navigation column refers to the links between different pages, also known as breadcrumb navigation, linking home page, column center and content page. Users read and browse back and forth, so that website construction has a sense of hierarchy.
In the process of website construction, the navigation bar is often the first step to design the website. It is the sign of the website, and guides the customer to find the information and content needed faster. Of course, this effect is not all available in navigation columns, and it is possible to set up a navigation bar in a reasonable way.
Many people think that we should use a picture or FLASH technology in Web site navigation column content, because it will make people feel cool, but it will drag the page loading speed is not conducive to the user experience and hinder your search engine. So it is best to use text form for site navigation.
3. search engine optimization
What will happen if a website is not promoted? The result is that you spend more than ten thousand yuan to do the website without promotion, and a production cost is only a few hundred yuan. Compared with the website that has spent 10000 yuan promotion, you are the vase, and the family website is rocking Qian Shu.
Now the website marketing concept, in fact, in the search engine optimization efforts, fully consider the website search engine search habits in the process of construction, promote the optimization process in the future, save a lot of effort, is conducive to the rapid increase in the short term ranking website.
Later: content update, information management
Content updating plays an important role in the website promotion process. Continuous and stable quality updates will attract stable spiders to crawl. This will not only help the website's collection, but also have a great impact on the rankings.
To sum up, the enterprise construction website is not the most important, the important thing is to clear the purpose of building the website, which needs the function of the website to play. Then corresponding to these requirements to operate the website, let the website play an unexpected marketing force.

The trend of data center Cabling

As enterprises realize that structured cabling is the basis for rapid and efficient network infrastructure, managers are rethinking the existing ways and factors of structured cabling design. A powerful and accurate network infrastructure is critical to adapting to new technologies, supporting critical systems and cost value. Although the logical wiring scheme meets the needs of the previous network, it is difficult to meet the requirements of today's physical infrastructure. The enterprise needs to plan the wiring scheme for the data center to prepare for the best configuration, the best utilization rate, and the higher efficiency. And data center facilities face some challenges in power and cooling, physical space, security risks and budgets.

Five trends in data center wiring
Nowadays, telecommunications, data transmission and storage, voice and video applications occupy most of the market demand, but their back-end functions, such as system update and monitoring, data backup, software support and continuous maintenance, are also important. In addition, the market size of structured cabling will reach $13 billion by 2020, according to MarketandMarkets, a Market Research Institute in the United States. As enterprises move into a large number of cloud data centers with fully virtualized network architectures, data center wiring needs to take into account the following five important trends:
1. design for modularized data center
A significant trend in structured wiring is to build a transition to new data centers to support the needs of advanced network functions. With the development of technology, the organization more and more widely uses the modular data center wiring solution. In early planning, this scheme may also support the scalability of data and resources, reduce the cost of the overall infrastructure, and increase economic benefits in the future. Data center start-ups will be in the forefront of the industry because they need new technologies and new methods to quickly build new data centers.
The specially designed modular data center is portable, using unique pre designed modules and components to provide scalability. These designs are called container data centers or mobile modular data centers. In addition, there are some "need to be used" options to choose. Whether the enterprise needs a standard or customized modular solution, the data wiring infrastructure is the basis of these two.
2. network infrastructure optimization
For those companies that lack technological advantages in data center wiring, though they are ready to upgrade the current data cabling system, they can quickly integrate network infrastructure with data center providers' services. Data center vendors are seeking more advanced copper and fiber technology, to meet the needs of existing network infrastructure. Although people are consistent with network requirements, they need faster and more streamlined network connections for storage, application programs, servers and desktops. In fact, the method is to optimize the data center wiring.
Whether IT employees use internal deployment solutions or cloud computing solutions, enterprise managers are prepared to incorporate data center wiring optimization into it. A common method to optimize network infrastructure related to fiber and copper wiring, cabinets, standard frame and data center design components. This method combined with the physical layer cable management system creates an organized and accessible system, which can provide valuable data connection at any given time.
3. seamless cloud computing plan
With the overall growth of IT agility demand, enterprises are beginning to prove that alternatives based on cloud computing can meet their network needs, and managers are seeking seamless cloud plan design or investment. This requires the network wiring industry to provide products that integrate the most advanced data wiring infrastructure to support these seamless cloud schemes.
The enterprise that uses the seamless cloud needs security, higher transmission speed and flexibility. Now, high-end wiring systems are needed to meet these high-end requirements. Seamless cloud solutions can provide scalable alternatives, which can add (or delete) physical layer in a phased way for rapid deployment (or reduction). Data center wiring is the core of the seamless cloud plan.
4. network integration culture
Fusion culture is not a new concept, but the concept of integration in network and data center wiring can be promoted in the data center. Service providers integrate the telephone, video, and data functions into the new market through the network to provide attractive services. In data center market, data cabling can improve cable density to ensure the correct use of network structure: optical fiber cabling across server rack and storage array, which is designed to process cable density and improve airflow in cable channel.
Optimize the input and output parts of the top of the rack to simplify the data wiring and provide more flexibility in design.
Provide higher density connections and higher capacity cable management to achieve better performance and protect the wiring environment.
The ability to combine the existing digital technology with the best network infrastructure to optimize the data center is a fusion culture that the IT leaders are keen on. In view of the speed and scale of technological progress, this is a continuous process.
5. virtualization service
Research shows that over 50% of small businesses run their workload on virtual machines, and the adoption rate of virtualization services of data centers providers has reached 95%-100%. virtualization technology, which continues to prove scalable and cost-effective. There are four common types of virtualization functions: the server, the desktop, the network, and the storage. structure

機房建置，如何正確的給數據中心減負？

機房建置，爲數據中心資產管理工作大“減負”
數據中心日益複雜，資產數量也持續上升，對資產的維保狀態，資產生命週期服役情況等提供有效的資產管理手段顯得尤爲重要。但很多數據中心並沒有資產管理系統，多數僅僅採用Excel表格的方式進行管理，但是Excel表格中的資產狀態和數據缺乏“思考”，使資產本身的價值無法得到最大化效果。

華爲DCIM+，全網資產邏輯化管理，避免一本糊塗賬。華爲DCIM+可以資源信息的精準採集、關聯分析與決策支撐：通過引入新型智能傳感器+物聯網技術，可以實現各類數據的實時採集、及時上報；深入理解業務場景，構建合適的業務模型。
資產U位自動識別技術
設備精準上架
提升空間利用率
利用資產U位自動識別技術，容量全局可視，查找最優機位並指導設備上架，大型EDC資源機櫃空間利用率提升10%~20%.比例，某數據中心需要上架新的設備，僅需4步即可搞定。
第一步：查看設備上架需求與機房容量使用現狀。
第二步：基於SPCN（空間/配電/製冷/網絡）查找最佳機位，提供最佳上架方案。
第三步：根據方案，設計設備上架，自動生成工單並派發。
第四步：利用U位自識別技術，保證IT設備精準上架。
機架資源預分配機制
可用資源全局可觀
直觀瞭解機房當前可用、已用機架數，統計機架使用、出租情況。對運營商COLO業務來說，可以實現對租戶的輕鬆管理——對租戶分佈、各租戶使用率、能源支出情況全面分析，便於更精準化營銷及業務擴容，避免不同業務的客戶機架資源衝突。
5、資產全自動盤點
釋放海量人力需求
通過RFID、機櫃U位條等自動化盤點技術，當設備發生變動時，自動進行信息同步，保證資產臺賬與實物清點帳一致，釋放了海量的人力需求。
6、華爲基於全球數百個雲數據中心的運營經驗，面向數據中心領域推出了DCIM+解決方案。在華爲DCIM+解決方案中，華爲構建了精細化的管理模塊，並結合大數據分析與物聯網技術，實現了精準感知、智能分析，從而幫助數據中心管理團隊提高數據中心資源利用率，支撐數據中心運營決策

Data center migration, project site selection

Data center migration,the location of the project is the starting point of the overall layout of the project. The location of data center is related to the development strategy of a company. Location decisions should be made according to the total cost of ownership (TCO) and short-term and long-term goals.

The location of the data center is a geomantic study, which pays attention to the harmonious symbiosis between man and nature. The data center is not only a building in the wall, but also a whole. The natural factors affected by all outside the walls of the need to consider the local natural and geographical conditions, away from the geological disaster prone area, especially the earthquake zone and debris flow, to avoid the typhoon and flood prone land, the same area of relatively high elevation, flat land, and through geological exploration to understand the geological conditions.
About the location of data centers, the data center of early data centers around the network, where there are traffic, network resources, servers nearby, and north up is a typical business driven location.
Another one is Guang Hang Jin, they are all around the sub center of the huge metropolitan area, like the relationship between Hangzhou and Shanghai, which is more balanced business needs and resources. These two categories are typical market driven, and it is also the area of the data center of the most seller's market.
The distance between data center and customers is also very critical. Some bank customers have high requirements for the delay of network. So the distance between data centers and customers' psychological expectations is quite related. We always hope that valuables, which are closer to themselves, can be seen frequently and conveniently, whether they are data itself or server cabinet that carries data.
Now the size of the data center is more and more big, we want to keep the data center scalability or persistent, so is the key to electricity and water, the location of the data center are often subject to index constraints, can now use the index of Hangzhou city is very tense, cloud in the settlement of the relevant indicators of Fuchun Fuchun. The Internet cloud data center is located in Fuyang.
In addition, we need to compare the cost of all kinds of electricity. That is to say, the cost of every kilowatt hour power source should be low enough, and whether it has alternative energy, such as solar energy and wind energy, which will help enterprises create a more green corporate image.
Ideally, the project location policy supports the development of the big data industry, and the local government is responsible for the energy consumption indicators. To fully communicate with the local electricity bureau and Water Service Company before making the decision, whether the supply capacity is adequate or not, if the new supporting facilities are built, we should consider the related path planning and policy handling. At the same time, it is also necessary to communicate network resources with telecom operators (more than one) to ensure that the routing is adequate and secure.
Local policy support is also very important, purchase concessions, facilities, personnel, tax policy, is an important factor in enterprise location.
Transportation convenience is also another important factor affecting location. Data center's construction and delivery depend on whether the relevant suppliers can arrive at the location of data center conveniently.
The selection of a data center address naturally needs to be analyzed in detail according to the specific circumstances of each enterprise.
General site selection steps:
1. the scope of work and requirements: the location of the site needs to take into account the views of the stakeholders and the requirements for the location of the parties.
2. first instance of the alternative location: the approval of the relevant alternative address according to the needs of the parties;
3. field trips: invite relevant experts to visit the site, talk with the competent government departments and all kinds of service providers, and make detailed minutes.
4., the list of alternative addresses is further analyzed. After careful investigation and analysis, we will use the weighted scores of the top four addresses to analyze various factors.
5., further investigation and analysis: discuss with stakeholders in detail, view actual data and research reports, and consider all the factors mentioned above.
6., it is suggested that the final location be obtained at the alternative place: detailed investigation report is released, further analysis of the relevant data and further site selection are made to get the final approval of the enterprise leadership.

Website design, how to make a good website

Website design, in this competitive digital information age, it is urgent for enterprises to establish their own websites. No matter the large, medium or small enterprises, they can never be eliminated by the times. Therefore, the enterprise production website is the enterprise to grasp the pulse of the times, to measure whether the enterprise keep up with the standards of the times. The smart operator knows and is good at using the most advanced media - the Internet, setting up corporate image and promoting enterprise products. Enterprise production website is an important way for enterprises to show their own strength and seek development in the enterprise stage of the network age. If you want to make a good website, what do you need to meet?

First, the function is diverse and the use is convenient
The basic purpose of websites to attract users' visits is mainly from several aspects: expanding the popularity and attractiveness of websites, transforming potential customers into real customers, and developing existing customers into loyal customers. To provide users with a multi-functional Humanized Interface and keep this function easy to use is very important. In the final analysis, users use a service -- no matter under the Internet -- the most important is convenience. It includes a convenient navigation system, necessary help information, a common problem solution, a simple user registration procedure, and so on.
Two. The content of the website is not rich
The website is a kind of media that provides to the user is the most important content of the site, no one will be in a not the content of the website linger to go back and forth, like no one will look two times with a corny newspaper!
Although the extensive use of words reduces the visual effect of web pages, it appears a bit dull. But according to a recent survey of what Internet users see in Canada, Internet users spend 92% of their Internet time to read text information.
Three. Protection of personal information
Today, with the popularity of personalized services, many websites require users to first register as members, and what is the purpose of the web site collection of user information? How to make use of the user's personal information? Do you sell user information to other agencies? Do you use personal information to send a large amount of ad mail to the user? Does the user have the right to choose this? Is the personal information filled out safe? Is it possible to get the necessary return? These are the problems that users are very concerned about. If the website has no explicit explanation and commitment, such websites obviously lack the necessary business ethics, or at least can be regarded as a lack of respect for users.
Four. The quality of the website is excellent
Wrong links on a web page are often one of the main factors that people complain about. We can often see that "the web page has been deleted or cannot be displayed", "File not found" and other feedback information due to invalid links. This situation is often unbearable, but also seriously affects the user's confidence in the website. If the website can provide 400 free service phone and call center and other contact ways, I believe not only can reflect the strength of the company, but also better reflect the good customer service.
Five, page download speed
According to the research, page download speed is a key factor for website to retain visitors. If 10 to 20 seconds can not open a web page, people will not be patient. If you can't keep each page downloading faster, you should at least make sure that the home page speed is as fast as possible. Under the current circumstances, the main way to keep the page downloading speed is to make the webpage simple, and only arrange the most important information on the front page, try to avoid using a lot of pictures.

Containment：Fiber optic cable is expected to develop.

Containment: since then, China Unicom has launched 2017-2018 years' trunk purchase of trunk optical cable, and its trunk cable purchase scale is about 630 thousand core kilometers, including 266 kinds of main cable optical cable specifications.

According to the calendar year Jicai rhythm, China Mobile recently is expected to start in 2018 in optical fiber. In terms of its broadband construction, the demand for optical fiber in 2018 has increased significantly. In addition, the 5G network is expected to begin construction in 2019, and the transmission and return in the prequel will bring new optical fiber requirements.
In addition, the market demand and the promotion of raw material prices and other factors, the price increases may deposit or cable in. At the same time, the large scale construction of the data center has further improved the demand of optical fiber devices. Therefore, from the demand side and the cost side, the fiber optic cable is expected to stand on the vent.
Quantitative level
According to the existing data, 2015-2017 years, China Mobile, China Unicom, China China Telecom Jicai tender cumulative fiber optic cable 91 million 760 thousand core km, followed by a total of 115 million 460 thousand core km, 207 million 930 thousand core km, an increase in 98%, 26%, and 80%. with optical access further laying, 2018 probably Jicai volume ratio rose further in 2017 on the basis of.
Price level
According to the existing data, China Mobile nearly three years of fiber in the prices continued to move up: 2015 price 55 yuan / km and core, to 2017 has reported 65-70 yuan / km and core, China Telecom, China Unicom have also raised the price jicai. Three operators of fiber in the volume of price pattern, reflects on the high demand for optical fiber and cable in the domestic scene.
In the structure level
According to the data of optical fiber and cable in 2017, China Mobile bidding accounted for 62%, 21%, 17% China Unicom China Telecom, visible China Mobile demand far more than the other two operators. It is worth noting that the number of new fixed broadband users on China Mobile is also much higher than that of China Telecom and China Unicom. Its continuous investment in broadband construction will push its demand for optical fiber to maintain high.

機房建置哪些因素會影響屏蔽材料的效果？

機房建置，隨着電子行業的興起，很多企業都採用屏蔽機房來屏蔽一些不必要的干擾，爲了滿足企業對屏蔽機房的不同屏蔽需求，屏蔽機房技術水平也逐漸在提高，每個企業採用不同的屏蔽材料都會有所不同，因此很多企業對於屏蔽機房的屏蔽效果是否與屏蔽材料有關產生了很多疑問，下面本文詳解有哪些因素會影響屏蔽材料的效果！

一、影響屏蔽材料效果的因素有：
（1）頻率較高時，吸收損耗是主要的屏蔽機理，這時與輻射源是電場輻射源還是磁場輻射源關係不大。
（2）頻率較低的時候，吸收損耗很小，反射損耗是屏蔽效能的主要機理，要儘量提高反射損耗。
（3）電場波是最容易屏蔽的，平面波其次，磁場波是最難屏蔽的。尤其是（1KHz以下）低頻磁場，很難屏蔽。對於低頻磁場，要採用高導磁性材料屏蔽，幾種情況影響屏蔽材料的效果甚至採用高導電性材料和高導磁性材料複合起來的材料。
（4）材料的導電性和導磁性越好，屏蔽效能越高，但實際的金屬材料不可能兼顧這兩個方面，例如銅的導電性很好，但是導磁性很差；鐵的導磁性很好，但是導電性較差。應該使用什麼材料，根據具體屏蔽主要依賴反射損耗、還是吸收損耗來決定是側重導電性還是導磁性；
（5）反射損耗與屏蔽體到輻射源的距離有關，對於電場輻射源，距離越近，則反射損耗越大，對於磁場輻射源，距離越近，則反射損耗越小，正確判斷輻射源的性質，決定它應該靠近屏蔽體，還是原理屏蔽體，是結構設計的一個重要內容。
（6）反射損耗與輻射源的特性有關，對於電場輻射源，反射損耗很大；對於磁場輻射源，反射損耗很小。因此，對於磁場輻射源的屏蔽主要依靠材料的吸收損耗，應該選用磁導率較高的材料做屏蔽材料。
以上哪些因素會影響屏蔽材料的效果，屏蔽材料在同距離、不同頻率、不同場源的屏蔽效果也是不同的，而不同類型的金屬材料也會帶來不同的屏蔽效果。
二、屏蔽機房的佈線要求：
屏蔽機房工程是一種涉及到屏蔽室抗干擾技術、空調技術、供配電技術、自動檢測與控制技術、綜合佈線技術以及淨化、消防、建築和裝飾等多種專業的綜合性工程，因此對於屏蔽房的佈線所用的材料和佈線方式是非常重要的，具體如下：
屏蔽房佈線選材最好採用金屬材料，這樣能提高屏蔽機房的防火性，注重機房線槽的佈置，一般圍繞設備進行佈置可以考慮和成排的機櫃平行佈局，一般每排機櫃佈置一條線槽，也可以兩排相鄰機櫃中間走道上公用一條線槽，由於設備在機房內成排佈置，因此每排設備都在地板下配置了線槽，一般線槽的高度在50—100mm.
採用上走線方式則需要有設備佈局的配合，這種佈局主要適用於標準機架式佈局的場合，機櫃的尺寸特別是高度應基本一致，才能保證美觀，上走線採用線槽，線槽有兩種安裝模式：支架吊裝在頂上、支架支撐在地面上，支撐在地面上容易發生支架和機櫃的碰撞，因此在設計時應注意。
三、屏蔽房中照明設計
屏蔽房的所有區域（主機房、保密屏蔽機房、緩衝區和電池配電房）安裝超薄型的LED照明板，燈光要求不閃爍、不眩光、照度大，光線分佈均勻。
（1）照度要求：主機房不小於400-500LUX，監控室≥200LUX設計；
（2）機房區部分燈採用UPS直接供電，作爲市電故障應急照明使用；
（3）照明、插座分別由不同支路供電，採用單相三線制，所有插座迴路均設漏電斷路器保護；
（4）出（入）口指示燈、疏散指示燈採用交直流兩用型，內設可浮充蓄電池，持續時間大於30min；（5）照明系統採取集中控制方式，即通過嵌入配電開關箱控制機房照明，避免使用傳統式的按鍵開關。
四、總結：
在我們的生活中，或許你還沒有察覺到，其實屏蔽機房在我們的生活中扮演着非常重要的角色，在生活中也做出了很多的貢獻，電磁屏蔽機房的主要功能即是阻隔外界電磁攪擾，確保室內電子、電氣設備正常作業。特別是在電子元件、電器設備的計量、測試作業中，使用電磁屏蔽房（或屏蔽室）模仿抱負電磁環境，進步檢查成果的準確度。
電磁屏蔽機房可以阻斷室內電磁輻射向外界擴散，屏蔽機房可有效隔離屏蔽電磁輻射，以防干擾其他電子產品及電氣設備的正常工作，也保障了工作人員的身體健康。可有效防止電子信息設備的信息泄露，也確保了信息的安全，所以，在電磁屏蔽產品中，以屏蔽室和屏蔽房的使用居多。我們在選擇屏蔽機房時，一定要選擇正規的廠家，這樣才能正好建設屏蔽室、屏蔽機房，以幫助我們達到更好的屏蔽效果。

The steps of modernization of data center migration

The modernization of data center migration makes people's expectations easier to achieve, because managers can use more new technologies. In fact, data center automation will enable organizations to reduce inventories, errors and extra labor, and achieve high return on investment (ROI) and save costs. The new equipment has simpler operation, lower operating cost, less energy consumption and lower failure rate. The use of the latest IT technology and products can save costs, reduce risks, and provide customers with a better and more personalized experience.

If enterprises consider that realizing modernization may cost a lot of money, they should also consider that if they use outdated traditional IT devices, they may have to pay much higher cost.
To achieve the modernization of data center effectively, we need to carry out some previous work and invest a lot of time and cost, but the long-term return of spring is worth it. Enterprises can consider implementing the following seven steps to modernize and update the data center infrastructure, and modern data centers can protect customer data security in elastic environment.
(1) keep the technology updated
The ability to eliminate and replace outdated equipment depends on the asset tracking of each item in the data center throughout the life cycle. This starts from the day when the enterprise receives the equipment (even before the purchase) until the equipment is eliminated. In this way, managers can understand the exact use time of each old device, whether it is in the warranty period, and when to reach life information and other information.
A systematic understanding of when to eliminate equipment is a useful option, because old and outdated equipment usually requires more maintenance and operation costs. In addition, the production efficiency of old and old equipment is low, the power consumption is high, and it is easy to fail. In the life cycle of the main asset in the data, there will be a turning point in the higher maintenance cost than the replacement cost.
Data center infrastructure management (DCIM) software can help data center staff understand the energy consumption level of the upcoming data center components and the specific equipment being used, and then alarm before failure occurs, so as to track IT assets.
(2) process management of Workflow
The DCIM workflow can track all the work of each data center asset: executive work, executive staff, execution time, and so on. By setting up a central repository for these information, we can arrange resources more easily, generate work orders, and automatically ensure that the team keeps consistent skills. Workflow helps the team work more efficiently by increasing the consistency and accountability of the process to improve productivity.
(3) simulation of power supply through power failure
According to Hexa Research, the US data center has a annual economic loss of up to $550 billion due to power outages and other disturbances. Therefore, enterprises need to ensure the power of the data center and carry out disaster testing. This process allows managers to understand the entire process from data center to application, and understand which power systems provide power support for which data center assets and applications, so that the team knows the risks that may be faced during power failure.
In addition, it allows administrators to see who has the right to access the power system, as well as the time and location of the last change in the password.
DCIM software should have the ability to perform virtual power failure simulation, so the data center team can determine what happens to critical infrastructures when a specific system or equipment fails. It should also provide information about when the last actual control of the fault test is executed, and whether the power failure recovery is part of the business continuity.
(4) closely integrated with ITSM process management
Connecting DCIM solutions to information technology service management (ITSM) solutions is a crucial step in the modernization plan of the data center. ITSM systems (such as BMC, HPE, and ServiceNow) should be integrated with and share information with the data center system. Changes from the ITSM change management system must be passed to the data center, which provides an important link between the facilities and the IT staff. The pre built connection between the ITSM and the DCIM systems greatly simplifies the integration.
(5) a hybrid strategy that includes local deployment of data centers, managed data centers, and public clouds
The future strategy of the data center is a hybrid strategy. The advantage of this approach lies in its flexibility and adaptability. By implementing a hybrid strategy, the application and workload can run in the most meaningful place.
When building the most ideal computing environment, the hybrid policy provides a good choice to provide mixed local data centers, private cloud and third party public cloud provider services, as well as interoperability between platforms. Mixed clouds also allow enterprises to provide flexibility with the changes in computing and budgets, so that the workload fluctuates between the private cloud and the public cloud. This also allows companies to choose to deploy more data when needed.

The misunderstandings that can't be avoided in the website design!

Website design often makes mistakes when designing a web page. The reason lies in the focus on more invalid function, such as the pursuit of a cool button effect, character font, although these are also an important element in web design, but the design must have a direction, that is all designed to be user based good habits. This article talks about the common misunderstandings of designers in web design.

1, do not open the new browser window.
It sounds like a stupid design, but there are some designers doing it. Your website is not your master, but to make the user a master. Let the user decide how to open the link, otherwise the big back button on the browser is not necessary. Don't worry about users leaving your website, and they'll come back when necessary.
2, non - necessary circumstances do not allow users to register.
The purpose of browsing web pages is of course to get information. If it is not necessary to register, why do you want to design such a link? Ineffective design or less do better. The practice of a web site that allows users to register information in such a way is to shut down immediately. I'd rather go to other websites to find information than to waste time on a web site. So do not force users to register and leave email and other information in a non - necessary case.
3. Do not let the superfluous sign interfere with the user's eyes
A lot of large - size social media signs are placed on many websites that make your website look very unprofessional. Even the medals and honors should be placed on the "we" page. The superfluous picture not only interferes with the user's browsing, but also has a certain impact on the SEO.
4. Simple and direct display of information
Many web designers like to hide information in other pages, such as the common "click - in" pages. This is a design that makes time users do not want to click and give up directly. The fewer the steps the user can access to the content, the better.

Analysis of key elements of successful deployment of data center Server Rack

Server Rack, with the data center becoming more and more complex, the management day of its information room area (White Space, that is, setting up the overhead floor area of the cabinet) is becoming more and more important.

Therefore, your company will have a thorough understanding of how the subsystem in the data center cabinet of your company forms a system supporting ICT.
In this paper, we will introduce the key elements of the cabinet system of data center for the reader, and will show you how to choose a solution of integration of enterprise data center to help you simplify the management of Space for White.
Understand how an effective cabinet system will provide you with a simplified White Space management path, enabling your business data center to consistently support, organize, manage, control, monitor and simplify your operation.
As the data center of the enterprise becomes more and more complex, the demand for White Space management is also increasing. This process starts with the concern for the data center cabinet (rack), and gradually transitions to the in-depth understanding of how to build a subsystem supporting the information and communication technology (ICT) equipment in the cabinet.
By integrating data center cabinets and hardware and software into a single platform, data center managers can really understand the different trends in data centers, so as to make wise decisions. In addition, the integration and integration of IT infrastructure, hardware and software from the same manufacturer eliminated the challenges and puzzles of different product pairing from different suppliers.
One, the support of the architecture
The fundamental purpose of a equipment cabinet is to be used for vertical stacking equipment. When choosing the cabinet for your company, it means that a certain size of the occupied space will be assigned to a certain number of devices. This will involve two major considerations: the floor area of the cabinet and the carrying capacity of the cabinet.
In order to optimize the structure of the cabinet system in your enterprise data center, be sure to take the following items into consideration when choosing the cabinet.
The deeper cabinet supports appropriate power, cable and air flow management: the area of the cabinet is the area that the cabinet will use. The volume of the cabinet needs to be deeper than the equipment, and includes extra space for air flow management, cable management and distribution accessories. We recommend the use of 600 mm (wide) x 1200 mm (long) server cabinet and 800 mm (wide) x 1200 mm (long) network / switch cabinet. The deeper volume of the cabinet can hold deeper equipment, and it can leave room for the front of the cabinet to manage airflow, and set up the space for distribution and cable management along the side and rear of the cabinet.
Strong design with high static load rating: ideally, when connected to building structure, the cabinet of your data center should be able to hold at least 3000 pounds (1500 kilograms) of equipment. Reputable suppliers will use a standard within the industry (such as UL 2416, UL audio / video standard, ICT cabinets, cabinet and rack system) to carry a load test of the cabinet with third party laboratory, including more than four times the weight of the test bearing capacity.
For the data center site for deployment of cabinet level: if your system integrators used by enterprises will be loaded into your device in the cabinet, and then the integrated cabinet deployed to your data center site, is the cabinet need to be specified rolling load and transport load, and need to support these casters with rated load. These values may be different from the typical static load, which is the load when the cabinet is connected to the building structure.
For data centers located in earthquake prone areas, if the cabinet is deployed to frequent areas of potential earthquake activity, the cabinets need special anchoring, and additional support may be needed. The enterprise may choose to choose aseismic cabinet designed specially for seismic area. In addition to the standard load test, the cabinet also needs to carry out the shaking table test to ensure the high load of the equipment.
Two, the organization of cable management / path
The cabinet should include a specific and physically independent path for power supply and network cable and distribution unit (PDU) installation location, so as to minimize interference to the air flow through the cabinet. In addition, the cable openings on the cabinet panel should be sealed to reduce the loss of air around the cable.
In order to optimize the structure of your enterprise data center cabinet system, please consider the following items in the selection of the cabinet.
Independent power and network cable channels: power and network cable channels are accessories added to the cabinet. Use a separate attachment to support power and network cable channels. Put them in the cabinet so that they are physically separate.
For server cabinets: the use of PDU installation and ring cable manager in the server cabinet,?? To support one side of the PDU and the other side of the network jumper.
For the network / switch cabinet: use the cable manager and the binding support in the network cabinet to support the jumper and the rear cable in the front of the cabinet.