Presentation 2004-12-17
Multilayer Traffic Engineering Using Adaptive Weighted Virtual Topology
Daisaku SHIMAZAKI, Eiji OKI, Kohei SHIOMOTO,
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Abstract(in English) We propose a traffic-grooming scheme based on an adaptive weighted virtual topology in multilayer GMPLS networks. We define edge cost of a graph as a weighted function of the number of transceivers and wavelengths. The proposed scheme calculates the shortest path by dynamically assigning these costs according to residual network resources. It avoids specific policy-based ;traffic grooming. We choose which layer topology should be chosen,fiber topology or lambda topology, for every combination of source/destination pairs and this choice changes with residual network resources. The proposed scheme achieves effective utilization of network resources and a reduction in the blocking probability at LSP establishment.
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Keyword(in English) Traffic grooming / generalized multi-protocol label switching (GMPLS) / qmultilayer network / graph model
Paper # NS2004-173,PN2004-69
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Committee NS
Conference Date 2004/12/10(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Multilayer Traffic Engineering Using Adaptive Weighted Virtual Topology
Sub Title (in English)
Keyword(1) Traffic grooming
Keyword(2) generalized multi-protocol label switching (GMPLS)
Keyword(3) qmultilayer network
Keyword(4) graph model
1st Author's Name Daisaku SHIMAZAKI
1st Author's Affiliation NTT Network Service Systems Lahoratories, NTT Corp.()
2nd Author's Name Eiji OKI
2nd Author's Affiliation NTT Network Service Systems Lahoratories, NTT Corp.
3rd Author's Name Kohei SHIOMOTO
3rd Author's Affiliation NTT Network Service Systems Lahoratories, NTT Corp.
Date 2004-12-17
Paper # NS2004-173,PN2004-69
Volume (vol) vol.104
Number (no) 516
Page pp.pp.-
#Pages 6
Date of Issue