Contention Resolution in Optical Packet Switched Networks: Using Fiber Delay-Lines or Wavelength Converters

Zhang Zhi-zhong; Zeng Qing-ji; Wang Jian-xin; Luo Jiang-tao

Volume 26 Issue 11

Nov. 2004

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Zhang Zhi-zhong, Zeng Qing-ji, Wang Jian-xin, Luo Jiang-tao. Contention Resolution in Optical Packet Switched Networks: Using Fiber Delay-Lines or Wavelength Converters[J]. Journal of Electronics & Information Technology, 2004, 26(11): 1812-1818.

Citation:

Zhang Zhi-zhong, Zeng Qing-ji, Wang Jian-xin, Luo Jiang-tao. Contention Resolution in Optical Packet Switched Networks: Using Fiber Delay-Lines or Wavelength Converters[J]. Journal of Electronics & Information Technology, 2004, 26(11): 1812-1818.

Citation:

Zhang Zhi-zhong, Zeng Qing-ji, Wang Jian-xin, Luo Jiang-tao. Contention Resolution in Optical Packet Switched Networks: Using Fiber Delay-Lines or Wavelength Converters[J]. Journal of Electronics & Information Technology, 2004, 26(11): 1812-1818.

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Contention Resolution in Optical Packet Switched Networks: Using Fiber Delay-Lines or Wavelength Converters

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Received Date: 2003-05-15
Rev Recd Date: 2004-01-07
Publish Date: 2004-11-19

Abstract

Abstract

This paper proposes two new switch architectures that are more flexible and cost effective than the methods introduced in the literatures. For a given packet loss probability requirement, the resiilts demonstrate that (1) for non-bursty traffic, non-degenerate form of Fiber Delay-Lines (FDLs) is the most cost effective solution; (2) for bursty traffic, a combined use of degenerate FDLs and Tunable Wavelength Converters (TWCs) is a cost effective and robust solution. With the increase of the average burst length, i.e., burstiness, the number of TWCs needs to be increased so as to maintain a reasonable packet loss probability. However, even for the traffic with high degree of burstiness, the architecture that employs a set of degenerate FDLs and TWCs shared among the input lines, is still a cost effective and robust solution.

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References(1)

References

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