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TELSYS
2002

An Efficient Rerouting Scheme for MPLS-Based Recovery and Its Performance Evaluation

10 years 11 months ago
An Efficient Rerouting Scheme for MPLS-Based Recovery and Its Performance Evaluation
The path recovery in MPLS is the technique to reroute traffic around a failure or congestion in a LSP. Currently, there are two kinds of model for path recovery: rerouting and protection switching. The existing schemes based on rerouting model have the disadvantage of more difficulty in handling node failures or concurrent node faults. Similarly, the existing schemes based on protection switching model have some difficulty in solving problem such as resource utilization and protection of recovery path. This paper proposes an efficient rerouting scheme to establish a LSP along the least-cost recovery path of all possible alternative paths that can be found on a working path, which is calculated by the upstream LSR that has detected a failure. The proposed scheme can increase resource utilization, establish a recovery path relatively fast, support almost all failure types such as link failures, node failures, failures on both a working path and its recovery path, and concurrent faults. T...
Gaeil Ahn, Jongsoo Jang, Woojik Chun
Added 23 Dec 2010
Updated 23 Dec 2010
Type Journal
Year 2002
Where TELSYS
Authors Gaeil Ahn, Jongsoo Jang, Woojik Chun
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