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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 5 — Mar. 7, 2005
  • pp: 1702–1709

Reservation information sharing enhancement for deflection routing in OBS network

onghui Gao, Hanyi Zhang, and Zhiyu Zhou  »View Author Affiliations

Optics Express, Vol. 13, Issue 5, pp. 1702-1709 (2005)

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The resource contention problem is critical in Just-Enough-Time (JET) based optical burst switching (OBS) networks. Although deflection routing (DR) reduces the contention probability in some degree, it does not give much improvement under heavy traffic load. This paper analyzed the inducement causing contention in OBS networks, and proposed Resource Information Sharing Enhancement (RISE) scheme. Theoretical analysis shows that this scheme achieves shorter length of the detour path than normal DR. We simulated this scheme on both full mesh network and practical 14-node NSFNET. The simulation results show that it gives at best 2 orders magnitude improvement in reducing the burst contention probability over its previous routing approaches.

© 2005 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

Original Manuscript: January 4, 2005
Revised Manuscript: February 25, 2005
Published: March 7, 2005

Donghui Gao, Hanyi Zhang, and Zhiyu Zhou, "Reservation information sharing enhancement for deflection routing in OBS network," Opt. Express 13, 1702-1709 (2005)

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