Survivability Research Based On Content Connectivity In Elastic Optical Network Datacenter

With the development of internet technology, the global network data traffic is growing rapidly. In this case, more and more enterprises set up their own datacenter. Some of the crucial information is stored in the datacenter. Centralized processing data not only can save the cost of the construction of infrastructure, avoiding duplication of work, but also can also be used for data processing and management.However, the development of science and technology has always been a double-edged sword. Science and technology bring convenience as well as some disadvantages. Although centralized processing data can save cost, such systems tend to bring problem of data security and data recovery. For enterprises, once the network catastrophic failure, such as earthquake, tsunami and think attack occur, it would be a disaster. So, the network reliability and safety are concerned by more and more enterprise.In this paper, we mainly study the datacenter survivability of optical network in disaster scenarios. With the development of content connectivity, it gives a new way of network survivability research. In this paper, we mainly study the datacenter survivability based on content connectivity against disaster in elastic optical datacenter networks. With respect to this research, one paper has been published on ICOCN2016(EI)Optical network researchers have been highly focused on optical network survivability, because optical network carries a lot of networks business. More traditional research of network survivability is in the physical aspects. This paper mainly focuses on the service or application.It does not pay attention to the physical network failures, and it focus on the accessibility of the service and application. This is an innovative research in this paper. In traditional research of network survivability, it does not make full use of advantages to the data center. This paper mainly studies the shared protection and 1+1 protection against disaster based on content connectivity in the elastic optical network datacenter. In this study,we proposed the ILP model and heuristic algorithm. We analyzed their results and performance. Results show that protection scheme based on content connectivity has good performance than traditional scheme in the disaster scenarios. Although protection scheme based on content connectivity consumes more resources than traditional scheme, but its path protection ratio can reach to 100%, which traditional scheme can not do.