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Destination-initiating path restoration protocol for wavelength-routed WDM networks

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2 Author(s)
J. Zheng ; Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, Ont., Canada ; H. T. Mouftah

Network survivability has been a crucial concern in wavelength-routed WDM networks. Due to the huge transmission capacity, a single network failure may cause a large amount of data loss, which would greatly degrade and even disrupt network services. In the paper, a destination initiating path restoration protocol is proposed for surviving single-link failures in wavelength routed WDM networks. Unlike existing path restoration protocols, the proposed protocol allows the destination node of a broken connection to initiate a connection restoration process. The objective is to reduce the connection restoration time so that a backup path can be provisioned rapidly for each broken connection that traverses a failed link. The major procedures of the protocol are described and its performance in terms of the connection restoration time is evaluated

Published in:

IEE Proceedings - Communications  (Volume:149 ,  Issue: 1 )