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An Approach of Multiple-Quality Segment Protection Based on p-Cycle for the Optical Multicast

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Published/Copyright: December 13, 2012
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Abstract

In the optical multicast network, node and link failures have much important influence on the network survivability. A node failure or link failure may lead to multiple destination nodes can not receive data. A multiple-quality segment protection approach based on pre-configured cycle (p-Cycle) was presented to improve the link utilization and reduce the delay of high priority multicast in the paper. Simulation results showed that the segment protection approach under p-Cycle could ensure the 100% full protection of node and link failures, and high-priority traffic has less propagation delay.


School of Telecommunication and Information Engineering, Chongqing University of Posts and Telecommunication, Nanan District, Chongqing 400065, P.R. China

Received: 2012-07-25
Accepted: 2012-09-27
Published Online: 2012-12-13
Published in Print: 2012-12-14

©[2012] by Walter de Gruyter Berlin Boston

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