Multi-domain topology-aware grouping for application-layer multicast

  • Authors:
  • Jianqun Cui;Yanxiang He;Libing Wu;Naixue Xiong;Hui Jin;Laurence T. Yang

  • Affiliations:
  • Department of Computer Science, Huazhong Normal University, Wuhan, China;School of Computer, Wuhan University, Wuhan, China;School of Computer, Wuhan University, Wuhan, China;Information Science School, Japan Advanced Institute of Science and Technology, Japan;School of Computer, Wuhan University, Wuhan, China;Department of Computer Science, St. Francis Xavier University, Canada

  • Venue:
  • HPCC'07 Proceedings of the Third international conference on High Performance Computing and Communications
  • Year:
  • 2007

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Abstract

Application-layer multicast (ALM) can solve most of the problems of IP-based multicast. Topology-aware approach of ALM is more attractive because it exploits underlying network topology data to construct multicast overlay networks. In this paper, a novel mechanism of overlay construction called Multi-domain Topology-Aware Grouping (MTAG) is introduced. MTAG manages nodes in the same domain by a special node named domain manager. It can save the time used to discover topology information and execute the path matching algorithm if there are some multicast members in the same domain. The mechanism can lower the depth of the multicast tree too. Simulation results show that nodes can acquire multicast service more quickly when the group size is large or the percentage of subnet nodes is high.