Restoration of the Network for Next Generation (5G) Optical Communication Network

In modern communication network unwanted failures occurred. A design of robust network is required to handle the failures, restore the failed part and maintain the traffic flow of the network within a permissible time frame, at the lowest cost. The next-generation (5G) communication and computing networks, software-defined networks and internet-of-things networks assures to provide high speeds, impressive data rates and remarkable reliability. We need to design complex and robust next generation networks that must be built with minimum failure possibilities, quick failure recovery capabilities and high network restoration capacity. Therefore, improved network restoration models are needs to be developed and incorporated. In this paper, a comprehensive study on network restoration mechanisms that are being developed for addressing network failures in current and next generation (5G) networks is carried out. Open-ended problems are identified, while invaluable ideas for better adaptation of network restoration to evolving 5G communication and computing models are discussed.

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