A Dynamic Service Range Management Strategy for Improving Mobile Multicast Protocol Performance

  • Ping Wang
  • Yunze Cai
  • Jinjie Huang
  • Xiaoming Xu
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4263)


There are many challenges when providing multicast services to mobile hosts (MHs) since host’s mobility may cause tree reconstruction, non-optimal routing and the disruption of multicast services. Generally, frequent modifications to multicast tree are avoided as the expense of multicast routing inefficiency and vice versa. Two basic mechanisms, proposed by the IETF in Mobile IP to support multicasting, are two typical cases. This paper introduces a new mobile multicast approach with dynamic service range, which eliminates unnecessary tree reconstruction overhead by utilizing the state of multicast agent, and does not induce significant multicast delivery overhead at the same time. In addition, we present a previous subscription mechanism, which can resume multicast delivery quickly after a MH performs handoff. Simulation results show that the proposed protocol gets an improved performance over the existing protocols in terms of signaling overhead and delay.


Mobile Host Home Agent Multicast Tree Request Message Multicast Group 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Ping Wang
    • 1
  • Yunze Cai
    • 2
  • Jinjie Huang
    • 2
  • Xiaoming Xu
    • 2
    • 3
  1. 1.Dept. of Computer Science & EngineeringShanghai Jiaotong UniversityShanghaiChina
  2. 2.Dept. of AutomationShanghai Jiaotong UniversityShanghaiChina
  3. 3.University of Shanghai for Science and TechnologyShanghaiChina

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