Reliable WDM multicast in optical burst-switched networks

Myoungki Jeong; Chunming Qiao; Yijun Xiong

doi:10.1117/12.401815

22 September 2000 Reliable WDM multicast in optical burst-switched networks

Myoungki Jeong, Chunming Qiao, Yijun Xiong

Proceedings Volume 4233, OptiComm 2000: Optical Networking and Communications; (2000) https://doi.org/10.1117/12.401815
Event: Opticomm 2000, 2000, Richardson, TX, United States

Abstract

IN this paper,l we present a reliable WDM (Wavelength-Division Multiplexing) multicast protocol in optical burst-switched (OBS) networks. Since the burst dropping (loss) probability may be potentially high in a heavily loaded OBS backbone network, reliable multicast protocols that have developed for IP networks at the transport (or application) layer may incur heavy overheads such as a large number of duplicate retransmissions. In addition, it may take a longer time for an end host to detect and then recover from burst dropping (loss) occurred at the WDM layer. For efficiency reasons, we propose burst loss recovery within the OBS backbone (i.e., at the WDM link layer). The proposed protocol requires two additional functions to be performed by the WDM switch controller: subcasting and maintaining burst states, when the WDM switch has more than one downstream on the WDM multicast tree. We show that these additional functions are simple to implement and the overhead associated with them is manageable.

Citation Download Citation

Myoungki Jeong, Chunming Qiao, and Yijun Xiong "Reliable WDM multicast in optical burst-switched networks", Proc. SPIE 4233, OptiComm 2000: Optical Networking and Communications, (22 September 2000); https://doi.org/10.1117/12.401815

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