2010•Communications technologyRequires access

Study on Recovery Mechanism of GMPLS-based ASON

Hui Wang

Abstract

Different from the traditional optical network,control plane is introduced into ASON to manage the network.The introduction of control plane could supply a variety of survivability types and achieve effective network recovery.The network recovery mechanisms in ASON management plane based in GMPLS are mainly studied,and several common recovery and protection strategies analyzed.With the recovery time as the performance index,as the traditional recovery meehanism and the modified recovery mechanism are discussed.Finally,this paper,based on simulation,points out their respective advantages and disadvan tages,jncluding the survivability development trend in ASON.

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Key concepts: Automatically switched optical network, Survivability, Computer science, Computer network, Routing control plane, Multiprotocol Label Switching, Mechanism (biology), Distributed computing