Two-Way Release Message Transmission and Its Wavelength Selection Rules for Preemption in OBS Networks(Switching for Communications)

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概要

• 論文の詳細を見る

• In this paper, we propose a new preemptive scheme with release message in optical burst switching (OBS) networks. In the proposed scheme, when a low priority burst is preempted at some intermediate node, two RELEASE messages are sent immediately from the intermediate node to both source and destination nodes (two-way release message transmission), and the RELEASE messages release the corresponding wavelengths for the preempted burst. We consider six wavelength selection rules for the preemption and evaluate the performances of the selection rules by simulations. Numerical examples show that our scheme utilizes wavelengths effectively and, with the optimal selection rule, can decrease the burst loss probability in a large-scale DWDM network.

• 社団法人電子情報通信学会の論文
• 2007-05-01

著者

• Kasahara Shoji

  Kyoto University

• Kasahara Shoji

  Kyoto Univ. Kyoto Jpn

• Tachibana Takuji

  Nara Inst. Of Sci. And Technol. Nara Jpn

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