Abstract
Background: Cloud-Integrated Wireless Optical Broadband (CIW) access networks inheriting advantages of cloud computing, wireless and optical access networks have a broad prospect in the future.
Objectives: Due to failure of components like OLT level, ONU level, link or path failure and cloud component level in CIW, survivability is becoming one of the important issues. Methods: In this paper, we have presented cloud-integrated wireless-optical broadband access network with survivability using Integer Linear Programming (ILP) model, to minimize the number of cloud components while providing maximum backup paths. Hence, we have proposed protection through cloud-integrated wireless router to available ONUs (PCIWRAO). Results: So, evaluated the backup path computation. We have considered ONU level failure in which the affected traffic is transferred through wireless routers and cloud component to the available ONUs using Manhattan distance algorithm. Conclusion: Simulation results show different configurations for different number of routers and cloud components illustrating available backup path when ONU fails.Keywords: Wireless technology, optical technology, cloud computing, ILP, survivability, manhattan distance algorithm.
Graphical Abstract
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