• Journal of Internet Computing and Services
    ISSN 2287 - 1136 (Online) / ISSN 1598 - 0170 (Print)
    https://jics.or.kr/
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Hybrid Buffer Structured Optical Packet Switch with the Limited Numbers of Tunable Wavelength Converters and Internal Wavelengths


Huhn-Kuk Lim, Journal of Internet Computing and Services, Vol. 10, No. 2, pp. 171-178, Apr. 2009
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Keywords: Optical packet switch, hybrid buffer, Scheduling Algorithm, Tunable wavelength converter, internal wavelength FDL buffer, electronic buffer

Abstract

Optical packet switching(OPS) is a strong candidate for the next-generation internet, since it has a fine switching granularity at the packet level for providing flexible bandwidth, and provides seamless integration between WDM layer and IP layer. Optical packet switching have been studied in two categories: OPS in synchronous and OPS in asynchronous networks. In this article we are focused on contention resolution of OPS in asynchronous networks. The hybrid buffer have been addressed, to reduce packet loss further as one of the alternative buffer structures for contention resolution of asynchronous and variable length packets, which consists of the FDL buffer and the electronic buffer. The OPS design issue for the limited number of TWCs and internal wavelengths is important in the aspect of switch cost and resource efficiency. Therefore, an hybrid buffer structured optical packet switch and its scheduling algorithm is presented for considering the limited number of TWCs and internal wavelengths, for contention resolution of asynchronous and variable length packets. The proposed algorithm could lead to the packet loss improvement compared to the legacy LAUC-VF algorithm with only the FDL buffer.


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Cite this article
[APA Style]
Lim, H. (2009). Hybrid Buffer Structured Optical Packet Switch with the Limited Numbers of Tunable Wavelength Converters and Internal Wavelengths. Journal of Internet Computing and Services, 10(2), 171-178.

[IEEE Style]
H. Lim, "Hybrid Buffer Structured Optical Packet Switch with the Limited Numbers of Tunable Wavelength Converters and Internal Wavelengths," Journal of Internet Computing and Services, vol. 10, no. 2, pp. 171-178, 2009.

[ACM Style]
Huhn-Kuk Lim. 2009. Hybrid Buffer Structured Optical Packet Switch with the Limited Numbers of Tunable Wavelength Converters and Internal Wavelengths. Journal of Internet Computing and Services, 10, 2, (2009), 171-178.