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题名: Link Failure Protection in Wavelength-routed Survivable WDM Networks
作者: Wang-Hsai Yang
Wen-Ching Chen
贡献者: Department of Information and Networking Technology
关键词: survivable
bifurcate
WDM
日期: 2006-09
上传时间: 2008-08-25T02:23:57Z
摘要: PWCE concept provides a new paradigm for fast and simple dynamic lightpath provisioning with survivable capability. Based on PWCE concept, we propose an efficient approach, called Primal Adjust Heuristics (PAH), aim to protecting single link failure in survivable WDM networks. We employ the concept of bifurcation to protect a single link failure. This strategy simultaneously addresses the problems of routing working traffic and determining multi-backup paths for each single link failure. Numerical results demonstrate that PAH outperforms shortest path heuristic by assigning unit cost weight for each link in blocking probability for networks with uniform and non-uniform demand distribution.
關聯: 修平學報 13, 21-32
显示于类别:[資訊網路技術系] 期刊論文

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