A Hierarchical Path Computation Element (PCE)-Based Routing Algorithm in Multi-Domain WDM Networks

Shengfeng Shang; Xiaoping Zheng; Heng Zhang; Nan Hua; Hanyi Zhang

doi:10.1364/ACP.2010.798903

Network Architectures, Management, and Applications VIII
Proceedings of SPIE-OSA (Optica Publishing Group, 2010),
paper 798903
•https://doi.org/10.1364/ACP.2010.798903

A Hierarchical Path Computation Element (PCE)-Based Routing Algorithm in Multi-Domain WDM Networks

Shengfeng Shang, Xiaoping Zheng, Heng Zhang, Nan Hua, and Hanyi Zhang

Asia Communications and Photonics Conference and Exhibition 2010

Shanghai China
8–12 December 2010
ISBN: 9780819485571

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NETWORK PLANNING (NTWP)

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S. Shang, X. Zheng, H. Zhang, N. Hua, and H. Zhang, "A Hierarchical Path Computation Element (PCE)-Based Routing Algorithm in Multi-Domain WDM Networks," in Network Architectures, Management, and Applications VIII, L. Wosinska, ed., Vol. 7989 of Proceedings of SPIE-OSA (Optica Publishing Group, 2010), paper 798903.

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Abstract

This paper proposes an inter-domain routing algorithm for multi-domain WDM networks based on hierarchical PCE architecture. The proposed algorithm presents a strategy of selecting k random paths in parent PCE. The simulation indicates that the proposed algorithm outperforms previous methods in term of blocking probability and resource utilization.

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