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Conference Paper: Light-trail assignment in WDM optical networks

TitleLight-trail assignment in WDM optical networks
Authors
KeywordsHeuristic
Integer linear programming (ILP)
Light-trail assignment
Wavelength division multiplexing (WDM)
Issue Date2006
Citation
Proceedings of the Global Telecommunications Conference, 2006 (GLOBECOM 2006), San Francisco, CA, USA, 27 November - 1 December 2006 How to Cite?
AbstractLight-trail has emerged as a promising candidate for enabling IP over WDM networks. The problem of static light-trail assignment is to find a set of light-trails to cover the given traffic demands, such that the total number of light-trails required is minimized. Because of the power loss caused by splitting at each hop, the length of a light-trail is limited. Existing light-trail assignment algorithms adopt ILP (Integer Linear Programming) approach. Due to the high complexity of ILP, such algorithms are not scalable. In this paper, we propose an efficient heuristic algorithm LTA (Light-Trail Assignment) to solve this problem. In LTA, each light-trail is judiciously assigned based on the request discreteness, the shortest path length and the traffic volume of each request. A reference node mechanism is also designed to enhance the solution. Numerical results show that LTA always returns sub-optimal solutions. © 2006 IEEE.
DescriptionIn Secion: Advanced Technologies & Protocols for Optical Networks: OPN-03: Metro/Long-Haul Networks: article no. OPN03-5
Persistent Identifierhttp://hdl.handle.net/10722/99077
References

 

DC FieldValueLanguage
dc.contributor.authorWu, Ben_HK
dc.contributor.authorYeung, KLen_HK
dc.date.accessioned2010-09-25T18:14:54Z-
dc.date.available2010-09-25T18:14:54Z-
dc.date.issued2006en_HK
dc.identifier.citationProceedings of the Global Telecommunications Conference, 2006 (GLOBECOM 2006), San Francisco, CA, USA, 27 November - 1 December 2006en_HK
dc.identifier.urihttp://hdl.handle.net/10722/99077-
dc.descriptionIn Secion: Advanced Technologies & Protocols for Optical Networks: OPN-03: Metro/Long-Haul Networks: article no. OPN03-5-
dc.description.abstractLight-trail has emerged as a promising candidate for enabling IP over WDM networks. The problem of static light-trail assignment is to find a set of light-trails to cover the given traffic demands, such that the total number of light-trails required is minimized. Because of the power loss caused by splitting at each hop, the length of a light-trail is limited. Existing light-trail assignment algorithms adopt ILP (Integer Linear Programming) approach. Due to the high complexity of ILP, such algorithms are not scalable. In this paper, we propose an efficient heuristic algorithm LTA (Light-Trail Assignment) to solve this problem. In LTA, each light-trail is judiciously assigned based on the request discreteness, the shortest path length and the traffic volume of each request. A reference node mechanism is also designed to enhance the solution. Numerical results show that LTA always returns sub-optimal solutions. © 2006 IEEE.en_HK
dc.languageengen_HK
dc.relation.ispartofGlobecom. IEEE Conference and Exhibitionen_HK
dc.rights©2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectHeuristicen_HK
dc.subjectInteger linear programming (ILP)en_HK
dc.subjectLight-trail assignmenten_HK
dc.subjectWavelength division multiplexing (WDM)en_HK
dc.titleLight-trail assignment in WDM optical networksen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailYeung, KL:kyeung@eee.hku.hken_HK
dc.identifier.authorityYeung, KL=rp00204en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/GLOCOM.2006.374en_HK
dc.identifier.scopuseid_2-s2.0-50949086281en_HK
dc.identifier.hkuros134476en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-50949086281&selection=ref&src=s&origin=recordpageen_HK
dc.description.otherProceedings of the Global Telecommunications Conference, 2006 (GLOBECOM 2006), San Francisco, CA, USA, 27 November - 1 December 2006-
dc.identifier.scopusauthoridWu, B=24605804500en_HK
dc.identifier.scopusauthoridYeung, KL=7202424908en_HK

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