Analysis of the blocking probability in optical networks based on the enhanced OSPF

Buwei Xu; Chunlei Zhang; Jingjing Zhang; Weisheng Hu

doi:10.1117/12.576197

8 February 2005 Analysis of the blocking probability in optical networks based on the enhanced OSPF

Buwei Xu, Chunlei Zhang, Jingjing Zhang, Weisheng Hu

Proceedings Volume 5626, Network Architectures, Management, and Applications II; (2005) https://doi.org/10.1117/12.576197
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

Open Shortest Path First (OSPF) protocol is used for the routing and topology discovery in the optical networks. In the next generation optical network, enhanced OSPF is extended to support opaque LSA. In optical networks, each OXC disseminates the resource information of the optical links that bundled between the adjacent neighbors. Recently proposed enhanced OSPF protocol is promising to reduce the blocking probability of the data plane at the cost the usage of the control channel bandwidth in the control plane. This article has a full analysis of the bandwidth usage due to the optical LSA updates. We also discuss the blocking probability with the enhanced OSPF, some key results on the performance of the enhance OSPF are also given in this article. Finally, we propose a method to balance the tradeoff of the flooding information and the blocking probability.

Citation Download Citation

Buwei Xu, Chunlei Zhang, Jingjing Zhang, and Weisheng Hu "Analysis of the blocking probability in optical networks based on the enhanced OSPF", Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); https://doi.org/10.1117/12.576197

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