On the deflection routing in QoS supported optical burst-switched networks

Ching Fang Hsu, Te Lung Liu, Nen Fu Huang

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Generally speaking, buffer requirement is not vital for JET-based optical burst switching (OBS). However, if deflection routing is enabled, optical buffers are necessary to solve the insufficient offset time problem. Another solution, which can alleviate buffering, is to lengthen offset time in the beginning. As previous work indicated, a burst with extra offset time has higher priority than that without extra offset time and quality-of-service (QoS) can be accomplished in this way. Therefore, we investigate the performance of deflection routing in prioritized JET-based optical burst-switched networks. A queuing model is proposed to approximate loss probability. We also evaluate the impact of deflection routing in arpanet-2 topology by simulation.

Original languageEnglish
Pages (from-to)2786-2790
Number of pages5
JournalIEEE International Conference on Communications
Volume5
DOIs
Publication statusPublished - 2002 Jan 1

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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