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Volume 26 Issue 5
May  2004
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Yang Xiao-long, Zhang Min, Li Le-min, Wang Sheng. An Adaptive Map Algorithm to Support QoS for Optical Burst Assembly[J]. Journal of Electronics & Information Technology, 2004, 26(5): 789-794.
Citation: Yang Xiao-long, Zhang Min, Li Le-min, Wang Sheng. An Adaptive Map Algorithm to Support QoS for Optical Burst Assembly[J]. Journal of Electronics & Information Technology, 2004, 26(5): 789-794.

An Adaptive Map Algorithm to Support QoS for Optical Burst Assembly

  • Received Date: 2003-01-23
  • Rev Recd Date: 2003-04-28
  • Publish Date: 2004-05-19
  • Because of its scalability, the idea of coarse packet classification can be uti-lized to OBS network. However, due to the limited priorities supported by OBS networks, multi-class burst assembly technique is usually adopted. Hence, a novel map algorithm, i.e. TQ-map, is proposed, which can determine which classes of packets a priority burst can contain, and fit for the multi-class burst assembly. Its most important feature is adaptivity. Compared with S-map, TQ-Map can establish the map relations varying with both traffic condition and QoS requirement, and moreover allocates the burst assembling capacity be-tween packets classes fairly, efficiently and differentially. The only one purpose is to match the QoS requirements of high layers applications. The simulation results show that TQ-Map can effectively achieve the purpose to support QoS.
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  • Verma S, et al.. Optical burst switching: aviable solution for terabit IP backbone. IEEE Network,2000, 14(6): 48-53.[2]Yijun Xiong, et al.. Control architecture in optical burst-switched WDM networks[J].IEEE J. on Selected Areas in Communications.2000, 18(10):1838-1851[3]Yu X, et al.. Study of traffic statistics of assembled burst traffic in optical burst switched networks. Proc. Opticomm2002, Boston, July-August 2002: 149-159.[4]Yoo M, Qiao C. A new optical burst switching protocol for supporting quality of service[J].SPIE Proc.1998, vol.3531:396-405[5]Yoo M, et al.. Optical burst switching for service differentiation in the next-generation optical Internet. IEEE Communications Magazine, 2001, 39(2): 98-104.[6]Yoo M, et al.. QoS performance of optical burst switching in IP-over-WDM networks[J].IEEE J.on Selected Areas in Communications.2000, 18(10):2062-2071[7]Ge A, Callegati F, Tamil L. On optical burst switching and self-similar traffic[J].IEEE Communi cations Letters.2000, 4(3):98-100[8]Blake S, et al.. An architecture for differentiated services. RFC 2475, IETF, December 1998.[9]Vokkarane V, Haridoss K, Jue J P. Threshold-based burst assembly policies for QoS support in optical burst-switched networks. Proc. Opticomm2002, Boston, July-August 2002: 125-136.[10]Vokkarane V, Jue J. Prioritized routing and burst segmentation for QoS in optical burst-switched networks. Proc. OFC2002, Anaheim, March 2002: 221-222.[11]盛友招.排队论及其在计算机通信中的应用.ISBN7-5635-0306-4,北京:北京邮电大学出版社,1998年,第154页.
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