作者投稿和查稿 主编审稿 专家审稿 编委审稿 远程编辑

计算机工程 ›› 2009, Vol. 35 ›› Issue (17): 104-105. doi: 10.3969/j.issn.1000-3428.2009.17.035

• 网络与通信 • 上一篇    下一篇

基于区分服务网络的QoS多播模型

高 茜   

  1. (南京师范大学计算机科学与技术学院,南京 210046)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-09-05 发布日期:2009-09-05

Quality of Service Multicast Model Based on DiffServ Networks

GAO Qian   

  1. (School of Computer Science and Technology, Nanjing Normal University, Nanjing 210046)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-05 Published:2009-09-05

摘要: 针对已有区分服务多播模型中存在的不足,提出一种基于区分服务网络的QoS多播模型。该模型在解决非预留资源子树问题、可扩展问题、异构问题的同时,根据多播的树型传输特点采用基于链路的资源分配策略,从而提高了网络的资源利用率,与QoS多播路由算法集成可以有效地解决服务类间的公平性问题。

关键词: 区分服务, 多播, 服务质量

Abstract: In order to overcome the lack of the current DiffServ multicast proposals, this paper proposes a new approach of multicast in DiffServ networks, which not only solves Neglected Reserved Sub-tree(NRS), scalability and heterogeneous QoS problem, but also improves link utilization ratio through using link resource allocation strategy. In addition, it can alleviate inter-class fairness problem by integrating with proper multicast routing algorithm.

Key words: DiffServ, multicast, Quality of Service(QoS)

中图分类号: