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光突发交换网络中控制分组调度策略的研究(英文) 被引量：5

Study on Control Packet Scheduling Strategy in Optical Burst Switched Networks
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摘要 为了支持区分服务(Diffserv),提出了基于优先级的权重公平队列(PWFQ)调度策略。并提出了一种近似分析模型来简化对不同级别的调度权重的求解。同时定义了一种参数来评价分析模型的有效性和调度策略的公平性。仿真结果证实,我们的分析模型在负载较高时是有效的,而且调度策略能提供很好的公平性。 A type of control packet scheduling strategy, priority-based weight fair queuing (PWFQ), was proposed to provide differentiated services for optical burst switched networks. An equivalent analytical model was presented to simplify the solving process of scheduling weight of each priority. A parameter, normalized deviation factor is defined, to evaluate the validity of the model and the fairness of scheduling strategy on supporting differentiated services. Numerical results confirm that, it is feasible to analyze queue system, in which PWFQ is adopted.
作者 王建新 曾庆济 肖石林 王盛华 张治中
机构地区 上海交通大学宽带光网中心
出处 《光电子．激光》 EI CAS CSCD 北大核心 2004年第4期449-453,458,共6页 Journal of Optoelectronics·Laser
基金 SupportedbytheNationalNaturalScienceFoundationofChina (69990 540 )
关键词 光突发交换网络 分组调度策略 区分服务 调度权重 评价分析模型 Control systems Internet Optical switches Queueing theory Scheduling
分类号 TN929.1 [电子电信—通信与信息系统] TN915.63 [电子电信—通信与信息系统]
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参考文献6

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同被引文献43

  • 1Liu Y, Hill M T,Calabretta N, et al. All-optical buffering in all-optical packet switched cross connect[J]. IEEE Photonics Technology Letters, 2002, 14(6):849 -851.
  • 2JIANGMing-yan HUPei-gang JINYao-hui.A improved dynamic routing algorithm based on optical network consisting of partial—shared wavelength Converter[J].光电子．激光,2005,16(14):1214-1218.
  • 3Callegati F,Corazza G, Raffaelli C, et al. An optical packet switch based on WDM technologies [J]. Lightwave Technology, 2005,23(3) : 994-1014.
  • 4Tacevski L, Yegnanarayanan S, Castapon G, et al. Optical routing of asynchronous,variable length packets[J]. IEEE J Sel Areas Commun, 2004,18(10):2048-2093.
  • 5Bjonstad S, Hjelme D R,Stol N. An optical packet switch design with shared electronic buffering and low bit rate add/drop inputs[A]. ICTON[C].2002,1:69-72.
  • 6Hluchyj M G, Karol M J. Queueing in high.performance packet switching[J]. IEEE J Sel Areas Commun, 1988,6(9):1587-1597.
  • 7Park Chang-Soo, Huhnkuk Lim. An optical packet switch with hybrid buffer structure for contention resolution of asynchronous variable length packets [A]. HPSR [C].2004,162-166.
  • 8ZHU Xiao-ming,Kahn Joseph M Queueing models of optical delay lines in synchronous and asynchronous optical packet-switching networks [J].Optcial Engineering,2003,42(6):1741-1748.
  • 9Xiong Y, Vandenhoute M, Cankaya Hakki C. Control architecture in optical burst-switched WDM networks[J]. IEEE J Sel Areas Commun,2000,18(10):1838-1851.
  • 10LI Jing-cong, LI Zheng-bin, WU De-ming, et al. Queuing performance analysis with self-similar network traffic[J].Acta Scicentiarum Naturalum Universitis Pekinesis ,2002,38(5):719-723. (in Chinese)

引证文献5

二级引证文献20

光电子．激光
2004年 第4期

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