Data center "cloud Times" disaster recovery backup delivery Solution

"Tenkine Server channel August 12 News" At the first Huawei Global Financial Forum held recently, Huawei has been highly appraised in the data center's comprehensive disaster preparedness network delivery solution. Data center has become an important infrastructure to ensure the normal work of the financial information system, how to ensure the continuous and reliable operation of the data center, how to deal with and effectively resolve the risk caused by the data concentration, has become an important issue of concern in the industry.

Financial data center development and disaster preparedness requirements

At present, most enterprises in the financial industry have set up data center, realize the data centralization, all the transaction needs the data Center server's cooperation to complete. With the dual drive of technology development and market demand, cloud computing, with its outstanding innovation and foresight, has a profound impact on the technology and business models of IT industry, Internet industry and communication industry, and drives the traditional data center to the new Generation Cloud data center.

Data center disaster Recovery backup refers to the main data center, in addition, an independent disaster preparedness data center is established to ensure that when a sudden disaster causes the primary data center to stop working, the disaster preparedness Data center quickly takes over all or part of the business that originally runs in the main data center to reduce or avoid the loss caused by the disaster event. Financial industry as a country's important support industry, data disaster preparedness of the most intense demand, in this field investment is also ahead of other industries. For example, a large state-owned bank, one of the top five banks in China, has the largest customer base in China and has invested enormously in the construction of disaster preparedness systems in recent years. Using Huawei's leading OTN equipment to successfully build a disaster-preparedness transport network, the realization of the business of the single board, sub-frame, network "triple" Protection, through the rental operators line, the network model, effectively reduce TCO, and fully ensure that the network "can be controlled, controllable, operable." High-reliable mass bandwidth transmission network for the rapid development of ICBC's business to lay a solid foundation.

Construction of Disaster Preparedness Network

Most of the cases, the disaster preparedness system needs to connect with the wide area network, because of the particularity and importance of disaster preparedness, the requirements of the WAN is relatively high:

1) Super Large capacity: In the trend of information explosion, the single storage business bandwidth has reached 1g/2g, or even 4g/10g, in a SAN storage network, there will be dozens of such storage services, the total bandwidth of dozens of g to hundreds of g, or even to the tbit level, need large enough network bandwidth for transmission.

2) High scalability: With the rapid increase of the financial enterprise data traffic, the storage capacity should be expanded at a high speed every year;

3 High Real time: Real-time is a data storage business, such as the basic requirements of our daily life to the bank to save money, all hope that this sum can be real-time to the account, a little lag we will not tolerate;

4 High reliability: For financial enterprises, the loss of key business data is intolerable, the loss of data will cause huge losses;

5 Interface Diversity: Although the current mainstream interface type is FC (Fiber Channel), but the data storage network still exist a variety of protocol coexistence, resulting in many types of network interface, including Escon, FICON, IP, and even ATM, SDH interface types. In addition, the interfaces offered by mainstream storage vendors such as IBM, EMC, Hitachi, HP, and so on are not fully compatible. These situations result in the data storage business interface type is not unified, many interfaces coexist condition.

Through the analysis of data center interconnection characteristics and requirements, Huawei launched a data center disaster preparedness of the three central solutions, with Huawei in the telecommunications field 20 years of experience, using the world's leading "optical" transmission technology, to provide customers with the most suitable choice.

　　

Figure 1 Huawei Financial data Center disaster preparedness Transfer Solution

Huawei's "Three centers" solution includes two kinds of plans for disaster preparedness and off-site disaster preparedness. The combination of the two schemes constitutes a perfect disaster-preparedness network, which realizes the data "0 lost" and the business "0 interrupts".

"The City of Disaster preparedness"

The city disaster preparedness mainly adopts Wdm/otn technology to realize real-time data backup and real-time switching of the business, which ensures the continuity of the business. Real-time backup of the city ensures that the data in the primary data center and the disaster Preparedness Center are fully consistent with the highest level of data protection, especially for core and critical operations, such as requiring RTO close to zero applications.

First of all, Wdm/otn has a large bandwidth and strong expansion capabilities, especially for the data storage business bandwidth demand, the subsequent bandwidth expansion of the frequent application scenarios. Wdm/otn is a multi wavelength transmission system with large bandwidth and flexible expansion. At present, the industry's mainstream Wdm/otn system is 40/80 waves. If each wavelength transmits 10G of bandwidth, then 80 wavelength can transmit bandwidth will reach 800G, if each wavelength transmission 40G bandwidth, then 80 wavelength can transmit bandwidth will reach 3.2T, if each wavelength transmission 100G bandwidth, then a single fiber will be able to achieve the 8T mass conveyor belt width.

Wdm/otn can increase the number of wavelengths flexibly according to the growth of bandwidth requirements. For example, there are currently 80G of storage data to be transferred from the production center to the backup center, then the WDM/OTN system only needs to use 8 wavelengths, if the subsequent 40G of data need to backup transmission, then only on the Wdm/otn system to add another 4 wavelength.

Secondly, as a kind of optical transmission technology, WDM/OTN has very low transmission delay, which is very suitable for the real-time requirements of disaster preparedness system. The transmission delay of Wdm/otn is mainly composed of optical fiber, dispersion compensating fiber and WDM/OTN equipment delay, in which the transmission delay of optical fiber is fixed, and the delay can only be proceeded from the dispersion compensation and WDM/OTN equipment. Huawei 40g/100g Coherence technology can be free of DCM, and through a variety of packaging methods to further reduce WDM/OTN equipment delay, equipment delay to the US level.

Thirdly, as a mature technology form, Wdm/otn is very complete in network security and reliability. Huawei Wdm/otn Equipment provides a wealth of network-level protection, including channel 1+1 protection, optical line protection, Oduk SNCP and so on, also supports Ason multiple path Recovery Intelligent Service protection, can fully meet the data storage business disaster preparedness network in the high security, high reliability and other requirements.

Finally, after years of development, Wdm/otn has been able to support all current mainstream storage business interfaces. As long as wdm/otn equipment manufacturers and mainstream storage equipment manufacturers have done docking certification test, the WDM/OTN system will be able to meet the data disaster preparedness system for interface diversification needs, Huawei is so far through with the mainstream storage and server manufacturers to test the most of the optical transmission manufacturers, and support the unified hosting of multiple services mixed access.

"Off-site disaster preparedness"

The offsite backup scheme backs up the data to the relatively distant city, crosses the geological disaster radius, can eliminate the earthquake and so on the service data destruction, may use the MSTP, the WDM and so on to construct the remote disaster preparation system.

Huawei OSN Series MSTP equipment can support 10G bandwidth; Support a wide range of San protocol interfaces, covering almost all IP, San business interface types, the physical isolation of proprietary networks to ensure the privacy and security of remote disaster-preparedness networks; Support color light, can be directly connected with the wave splitter, reduce the fault point, Improve network reliability.

Concluding

According to the third party advisory report, Huawei's Wave division Series transmission equipment in 2012, the global market share of up to 26%, opened the second manufacturer 11%. In the financial industry, Huawei products and solutions have been successfully applied to ICBC, China Construction Bank, Agricultural Bank of China, Minsheng Bank, Changjiang Securities and other customers, as the fastest growing financial disaster preparedness system network provider.

With the continuous development of technology and the continuous improvement of the corresponding laws, the global scope will set off data disaster preparedness, including the WDM disaster transmission network construction boom, Huawei will invest more in this field, helping customers succeed.

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