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A Novel Approach to Provision Differentiated Services in Survivable IP-over-WDM Networks
University of California.
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2008 (English)In: Optical Switching and Networkning Journal, ISSN 1573-4277, E-ISSN 1872-9770, Vol. 5, no 2-3, 170-176 p.Article in journal (Refereed) Published
Abstract [en]

IP-over-WDM networks are starting to replace legacy telecommunications infrastructure and they form a promising solution for next-generation networks (NGNS). Survivability of an IP-over-WDM network is gaining increasing interest from both the Internet research community and service providers (SPs). We consider a novel static bandwidth-provisioning algorithm to support differentiated services in a survivable IP-over-WDM network. We propose and investigate the characteristics of both integer linear program (ILP) and heuristic approaches to solve this problem. In the heuristic method, we propose backup reprovisioning to ensure network resilience against single-node or multiple-link failures. Illustrative examples compare and evaluate the performance of the two methods in terms of capacity-usage efficiency and computation time.

Place, publisher, year, edition, pages
2008. Vol. 5, no 2-3, 170-176 p.
Keyword [en]
Differentiated service provisioning, IP-over-WDM networks, Survivability, ILP
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-91448DOI: 10.1016/j.osn.2008.01.007ISI: 000263592700011OAI: diva2:510316
QC 20120327Available from: 2012-03-15 Created: 2012-03-15 Last updated: 2012-03-27Bibliographically approved

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Cavdar, Cicek
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