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Partial disjoint path for multi-layer protection in GMPLS networks

In this paper, different recovery methods applied at different network layers and time scales are used in order to enhance the network reliability. Each layer deploys its own fault management methods. However, current recovery methods are applied to only a specific layer. New protection schemes, based on the proposed partial disjoint path algorithm, are defined in order to avoid protection duplications in a multi-layer scenario. The new protection schemes also encompass shared segment backup computation and shared risk link group identification. A complete set of experiments proves the efficiency of the proposed methods in relation with previous ones, in terms of resources used to protect the network, the failure recovery time and the request rejection ratio

IEEE

Author: Urra i Fàbregas, Anna
Calle Ortega, Eusebi
Marzo i Lázaro, Josep Lluís
Abstract: In this paper, different recovery methods applied at different network layers and time scales are used in order to enhance the network reliability. Each layer deploys its own fault management methods. However, current recovery methods are applied to only a specific layer. New protection schemes, based on the proposed partial disjoint path algorithm, are defined in order to avoid protection duplications in a multi-layer scenario. The new protection schemes also encompass shared segment backup computation and shared risk link group identification. A complete set of experiments proves the efficiency of the proposed methods in relation with previous ones, in terms of resources used to protect the network, the failure recovery time and the request rejection ratio
Document access: http://hdl.handle.net/2072/58678
Language: eng
Publisher: IEEE
Rights: Tots els drets reservats
Subject: Ordinadors, Xarxes d’ -- Mesures de seguretat
MPLS (Norma)
Computer networks -- Security measures
MPLS standard
Title: Partial disjoint path for multi-layer protection in GMPLS networks
Type: info:eu-repo/semantics/article
Repository: Recercat

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