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Network Survivability Performance Evaluation with Applications in WDM Networks with Wavelength Conversion
Tampa, Florida, USA November 16-November 18
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/LCN.2004.8429th Annual IEEE International Confer ...
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Manijeh Keshtgary, Colorado State University, Ft. Collins, CO
Fahad A. Al-Zahrani, Colorado State University, Ft. Collins, CO
Anura P. Jayasumana, Colorado State University, Ft. Collins, CO
A. H. Jahangir, Sharif University of Technology, Tehran, Iran
Network survivability gauges the ability of a network to support the committed Quality of Services (QoS) continuously in the presence of various failure scenarios. We perceive that both performance and availability are integral components of survivability. Therefore, we propose a composite model for survivability that consists of performance and availability analysis. A analytical technique is presented to find the excess loss due to failure (ELF) when the system is operating in gracefully degraded states. An algorithm is proposed to carry out the availability analysis of the network even when the available paths between nodes are non-disjoint. These two models are combined to construct a hierarchical model to evaluate the network survivability performance. We consider single and multiple link failures, and also node failures. A WDMnetwork with wavelength conversion is used as an example for this evaluation.
Citation:
Manijeh Keshtgary, Fahad A. Al-Zahrani, Anura P. Jayasumana, A. H. Jahangir, "Network Survivability Performance Evaluation with Applications in WDM Networks with Wavelength Conversion," lcn, pp.344-351, 29th Annual IEEE International Conference on Local Computer Networks (LCN'04), 2004
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