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MRC Approach for Fast Link Failure Recovery in IP Network


Publication Date:

Authors : ;

Page : 93-97

Keywords : Multiple Routing Configuration(MRC); IGP; Router; IP; Link Failure; Backup Configuration;

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As the Internet takes an increasingly central role in our communications infrastructure, the slow convergence of routing protocols after a network failure becomes a growing problem. To assure fast recovery from link and node failures in IP networks, this system present a new recovery scheme called Multiple Routing Configurations (MRC). Existing system on load distribution in connectionless IGP networks has either focused on the failure free case? or on finding link weights that work well both in the normal case and when the routing protocol has converged after a single link failure. The proposed one ‘MRC’ offers the functionality with a simpler and more intuitive approach, and leaves more room for optimization with respect to load balancing. This paper proposed a scheme which guarantees the Recovery in all single failure scenarios, using a single mechanism to handle both link and node failures, and without knowing the root cause of the failure. MRC is strictly connectionless, and assumes only destination based hop-by-hop forwarding. MRC is an approach to achieve fast recovery in IP networks. The objective of MRC is to analyze its performance with respect to scalability, backup path lengths, and load distribution after a failure. MRC is based on providing the routers with additional routing configurations, allowing them to forward packets along routes that avoid a failed component. MRC guarantees recovery from any single node or link failure in an arbitrary bi-connected network. By calculating backup configurations in advance, and operating based on locally available information only, MRC can act promptly after failure discover

Last modified: 2016-07-02 19:38:31