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Proceedings Paper

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

Paper Details

Date Published: 8 February 2005
PDF: 8 pages
Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); doi: 10.1117/12.576197
Show Author Affiliations
Buwei Xu, Shanghai Jiaotong Univ. (China)
Chunlei Zhang, Shanghai Jiaotong Univ. (China)
Jingjing Zhang, Shanghai Jiaotong Univ. (China)
Weisheng Hu, Shanghai Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 5626:
Network Architectures, Management, and Applications II
S. J. Ben Yoo; Gee-Kung Chang; Guangcheng Li; Kwok-wai Cheung, Editor(s)

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