An efficient virtual topology design and traffic engineering scheme for IP/WDM networks

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An efficient virtual topology design and traffic engineering scheme for IP WDM networks.pdf (587.77 KB)

Date

2007

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Source Title

Proceedings of the 11th International IFIP TC6 Conference, ONDM 2007

Print ISSN

0302-9743

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Publisher

Springer

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Pages

319 - 328

Language

English

Type

Conference Paper

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Abstract

We propose an online traffic engineering (TE) scheme for efficient routing of bandwidth guaranteed connections on a Multiprotocol label switching (MPLS)/wavelength division multiplexing (WDM) network with a traffic pattern varying with the time of day. We first consider the problem of designing the WDM virtual topology utilizing multi-hour statistical traffic pattern. After presenting an effective solution to this offline problem, we introduce a Dynamic tRaffic Engineering AlgorithM (DREAM) that makes use of the bandwidth update and rerouting of the label switched paths (LSPs). The performance of DREAM is compared with commonly used online TE schemes and it is shown to be superior in terms of blocked traffic ratio.

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Keywords

Dynamic routing, LSP, MPLS, Traffic engineering, Virtual topology design, Fiber optic networks, Network protocols, Online systems, Problem solving, Telecommunication traffic, Bandwidth, Design, Topology, Blocked traffic ratio, Wavelength division multiplexing

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http://hdl.handle.net/11693/26998

Published Version (Please cite this version)

https://doi.org/10.1007/978-3-540-72731-6_35

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Scholarly Publications - Electrical and Electronics Engineering