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Fast failure recovery in MPLS networks

University of British Columbia

Recovery from network failures is a very important and challenging requirement for current Internet service providers. Real-time applications and other mission-critical tasks require networks to respond to network faults expeditiously in order to not degrade the required quality. In IP networks, failures are detected and handled through the convergence of network topology (topology change reflected in all routers' routing information bases). This recovery mechanism, however, has an obvious disadvantage in that it reacts to network faults very slowly, because it may take a long time for the entire network topology to converge. In this thesis, we present the design of a fast recovery mechanism in MPLS networks, implemented over the Linux platform. We investigate its performance over our testing network composed of Linux routers. Our experiments show that our recovery mechanism responds to network faults quickly, with less packet loss.

Thesis/Dissertation

application/pdf

2009-09-22

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http://hdl.handle.net/2429/13034

Computer Science

University of British Columbia

UBCV

DSpace