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Various Algorithms of Service Recovery in IP Network  

Han, Jeong-Soo (신구대학 인터넷 정보과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.9B, 2004 , pp. 791-798 More about this Journal
Abstract
In case of failure in the IP network, services should be provided via a backup path which fully meets QoS requirements. In this regard, we in this paper suggest simple-PFC(s-PFC) to restore single link failure, iterative-PFC(i-PFC) for multiple link failures, and fault_node Avoidance-PFC(a-PFC) for failures of nodes such as routers. Taking the minimum cost rerouting problem into account, we compare and analyze performance of those three mechanisms carrying out Direct-destination Rerouting(DR).
Keywords
Sevice Recovery; QoS Rerouting; Network Survivability; Restorability; Protection;
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