Dynamic deflection routing with virtual wavelength assignment in optical burst-switched networks

Sukyoung Lee, Laeyoung Kim, Jooseok Song, David Griffith, Kotikalapudi Sriram

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In optical burst-switched networks, one of the most significant issues is contention resolution. There have been several deflection routing techniques as contention resolution. While contention is resolved by traditional deflection routing, it cannot guarantee that the control packet will reserve all the wavelengths successfully to the destination on the alternate path, especially when traffic load in a network is high. Therefore, in this paper, we propose a Deflection Routing with Virtual Wavelength Assignment (DR-VWA) algorithm in order to provide a higher resource guarantee for loss-sensitive traffic bursts. The proposed DR-VWA scheme (1) dynamically decides the alternate path with the least traffic load and (2) allows high-priority bursts in terms of loss to be assigned available wavelengths over the path virtually. The proposed scheme is evaluated through simulation, and it is shown that significant improvement with regard to burst loss and wavelength conversion cost can be achieved.

Original languageEnglish
Pages (from-to)347-356
Number of pages10
JournalPhotonic Network Communications
Volume9
Issue number3
DOIs
Publication statusPublished - 2005 May 1

Fingerprint

Switching networks
deflection
bursts
Wavelength
traffic
wavelengths
Optical frequency conversion
resources
costs
Costs
simulation

All Science Journal Classification (ASJC) codes

  • Software
  • Atomic and Molecular Physics, and Optics
  • Hardware and Architecture
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

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Dynamic deflection routing with virtual wavelength assignment in optical burst-switched networks. / Lee, Sukyoung; Kim, Laeyoung; Song, Jooseok; Griffith, David; Sriram, Kotikalapudi.

In: Photonic Network Communications, Vol. 9, No. 3, 01.05.2005, p. 347-356.

Research output: Contribution to journalArticle

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