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A novel framework for IP DiffServ over optical burst switching networks

  • Computer Network and Internet
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Abstract

This paper presents a novel framework for IP Differentiated Services (DiffServ) over optical burst switching (OBS), namely, DS-OBS. The network architecture, functional model of edge nodes and core nodes, the control packet format, a novel burst assembly scheme at ingress nodes and scheduling algorithm of core nodes are presented. The basic idea is to apply DiffServ capable burst assembly at ingress nodes and perform different per hop behavior (PHB) electronic treatments for control packets of different QoS class services at core nodes. Simulation results show that the proposed schemes can provide the best differentiated service for expedited forwarding (EF), assured forwarding (AF) and best effort (BE) services in terms of end-to-end delay, throughput and IP packet loss probability.

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Authors and Affiliations

  1. Special Research Centre for Optical Internet and Wireless Information Networks (COIWIN) School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications (COUPT), 400065, Chongqing, P.R. China

    Ke-Ping Long & Yun Li

  2. ARC Special Research Centre for Ultra Broadband Information Networks (CUBIN), Department of Electrical and Electronic Engineering, University of Melbourne, 3010, Victoria, Australia

    Rodney S. Tucker

  3. Hong Kong University of Science and Technology, 2010, Hong Kong Special Administrative Region, P.R. China

    Chong-Gang Wang

Authors
  1. Ke-Ping Long
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  2. Yun Li
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  3. Rodney S. Tucker
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  4. Chong-Gang Wang
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Note

This work is supported by the National Natural Science Foundation of China (Grant No.90304004), the National Hi-Tech Development 863 Program of China (Grant No.2003AA121540), and the research grants by the Ministry of Education of China (Grant No.204125), the Chongqing Education Commission (Grant No.050309) and the Chongqing Science Commission.

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Long, KP., Li, Y., Tucker, R.S. et al. A novel framework for IP DiffServ over optical burst switching networks. J. Comput. Sci. & Technol. 19, 948–954 (2004). https://doi.org/10.1007/BF02973459

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  • DOI: https://doi.org/10.1007/BF02973459

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