Deterministic Routing in OSPF for Post Single Link Failure
Journal Title: INTERNATIONAL JOURNAL OF COMPUTER TRENDS & TECHNOLOGY - Year 2014, Vol 9, Issue 2
Abstract
In the Internet, link-state routing protocols, that are commonly deployed tend to converge globally after any of real-time applications. Topological change in the network i.e. news of the change is propagated to all the routers in the network. Such network-wide protocol convergence introduces transient inconsistency in the routing tables of the routers in the network. This inconsistency of routing tables may lead to the formation loops in the network. Study shows that such loops cause a significant packet forwarding discontinuity in the network and severely affects performance In this paper a technique to handle transient Convergence is initiated only for long-lasting failures in the network. single link failures in OSPF networks, without initiating global IP convergence process. Our technique is based on adding information in the packets traversing the failure by the routers attached to the failed link, and then locally rerouting them .
Authors and Affiliations
Dnyaneshwar Dhangar , Sachin Bojewar
Keywords
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