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基于MPLS网络的选播QoS路由算法 被引量:4

Anycast QoS Routing Algorithm Based on MPLS Networks
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摘要 提出一种基于MPLS网络且保证QoS的选播路由算法。使用链路状态路由协议,找到一条从发出请求的客户到服务器方向上最小跳数的最优路径,该路径能满足选播服务带宽要求。使用度量为路径逆向(服务器到客户)上的链路带宽值,通过约束路由的标记分发协议,建立一条从服务器到客户方向的标记交换路径,并预留资源。仿真结果表明,在传输服务数据流时,该算法的时延及丢包率性能良好,能在一定程度上平衡服务器的负载。 This paper proposes an anycast routing algorithm supporting QoS in Multi-Protocol Label Switching(MPLS) networks. It pre-computes anycast path with least hop numbers. This path can fulfili bandwidth constraint by link state routing protocol from the destination node(server) of an anycast datagram to its source node(client). The algorithm reserves bandwidth on LSP using constraint routing-label distribution protocol. Simulation results indicate that the algorithm results about delay and data loss-rate axe good, and it banlances the server load to some extent.
出处 《计算机工程》 CAS CSCD 北大核心 2008年第24期103-105,共3页 Computer Engineering
基金 广西科学基金资助项目(桂科基0575017) 广西教育厅基金资助项目(桂教科研2004(20号))
关键词 选播路由 多协议标记交换 服务质量 服务器负载 anycast routing Multi-Protocol Label Switching(MPLS) Quality of Service(QoS) server load
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参考文献6

  • 1Partridge C, Mendez T, Milliken W. Host Anycast Service[S]. RFC 1546, 1993.
  • 2Metz C. IP Anycast Point-to-(Any)Point Communication[J]. IEEE Internet Computing, 2002, 6(2): 94-98.
  • 3张丽,贾维嘉,严伟,李晓明.一种保证服务数据流QoS的选播路由算法[J].电子学报,2004,32(12):2046-2050. 被引量:2
  • 4张丽,贾维嘉,严伟,李晓明.使用特殊复合距离的选播路由算法[J].计算机研究与发展,2005,42(2):252-258. 被引量:7
  • 5Apostolopoulos G, Williams D, Kamat S. QoS Routing Mechanisms and OSPF Extensions[S]. RFC2676, 1999.
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二级参考文献14

  • 1WANG Jian xin, CHEN Song qiao, CHEN Jian er (College of Information Science and Engineering, Central South University, Changsha 410083, China).Anycast service model and its QoS routing algorithm[J].Journal of Central South University of Technology,2001,8(2):135-139. 被引量:11
  • 2C. Huitema. An anycast prefix for 6 to 4 relay routers. RFC 3068. http://www. ieth. org/rfc, 2001.
  • 3C. Partridge, T. Mendez, W. Milliken. Host anycasting service.RFC 1546. http://www. ietf. org/rfc, 1993.
  • 4D. Johnson, S. Deering. Reserved Ipv6 subnent anycast addresses. RFC 2526. http://www. ietf. org/rfc, 1999.
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  • 7Dong Xuan, Weijia Jia. Distributed admission control for anycast flows with QoS requirements. In: Proc. of the 21st Int'l Conf.on Distributed Computing Systems. New York: IEEE Computer Society Press, 2001. 292~300.
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  • 9S. Bhattacharjee, M. H. Ammar, E. W. Zegura, et al..Application-layer anycasting. In: Proc of IEEE INFOCOM' 97.New York: IEEE Computer Society Press, 1997. 1388~1396.
  • 10Fang Hao, Zegura, et al. QoS routing for anycast communications: Motivation and an architecture for diffServ networks. IEEE Communications Magazine, 2002, 40(6): 48~56.

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