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:10.1117/12.888591

10 January 2011 A hierarchical path computation element (PCE)-based routing algorithm in multi-domain WDM networks

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

Proceedings Volume 7989, Network Architectures, Management, and Applications VIII; 798903 (2011) https://doi.org/10.1117/12.888591
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

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.

Citation Download Citation

Shengfeng Shang, Xiaoping Zheng, Heng Zhang, Nan Hua, and Hanyi Zhang "A hierarchical path computation element (PCE)-based routing algorithm in multi-domain WDM networks", Proc. SPIE 7989, Network Architectures, Management, and Applications VIII, 798903 (10 January 2011); https://doi.org/10.1117/12.888591

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