A novel routing algorithm of multi-priority label switch path in MPLS over WDM mesh networks

Yang Su; Zhanqi Xu; Zengji Liu

doi:10.1117/12.635266

5 December 2005 A novel routing algorithm of multi-priority label switch path in MPLS over WDM mesh networks

Yang Su, Zhanqi Xu, Zengji Liu

Proceedings Volume 6022, Network Architectures, Management, and Applications III; 60224D (2005) https://doi.org/10.1117/12.635266
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

An extended layered graph of MPLS over WDM mesh networks is proposed in this paper, in which the label switch path (LSP) with various wavelengths and the limitation of optical transceivers at a routing node are both involved. Label switch paths are classified into different priorities according to each quality of service. The corresponding routing algorithm, differentiating integrated routing algorithm (DIRA), is proposed and studied. The quality of service (QoS) of a label switch path and the optimization of network resources utilization are taken into account comprehensively in DIRA. A comparison of DIRA with the representative optical routing algorithms via simulation shows that it can reduce the blocking probability of delay-constraint LSP and improve the network throughput.

Citation Download Citation

Yang Su, Zhanqi Xu, and Zengji Liu "A novel routing algorithm of multi-priority label switch path in MPLS over WDM mesh networks", Proc. SPIE 6022, Network Architectures, Management, and Applications III, 60224D (5 December 2005); https://doi.org/10.1117/12.635266

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