TransMAN: A Group Communication System for MANETs

  • Kulpreet Singh
  • Andronikos Nedos
  • Siobhán Clarke
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4308)


In mobile ad-hoc networks frequent topology changes and node failures increase the difficulty of providing reliability guarantees to applications. In traditional wired networks, group communication systems have been shown to be a useful middleware abstraction for providing strong reliability guarantees. A group communication system provides all its members with a consistent membership view while providing reliable and ordered communication between them. Existing group communication systems for MANETs do not provide consistent membership views. In this paper we describe TransMAN, a group communication system for mobile ad hoc networks that provide consistent membership views and a reliable broadcast communication between members. TransMAN relies on a reliable broadcast facility and uses implicit acknowledgements to maintain a graph capturing message relationships. This graph is used to implement important group communication properties such as non-blocking membership changes and virtually synchronous communication. We describe the various protocols that constitute TransMAN and provide an evaluation of our system using a real-world implementation. Experiments show that message delivery latency and the time required for group view changes are not adversely affected by network topology.


Node Mobility Message Delivery Group View View Change Reliable Broadcast 
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

  • Kulpreet Singh
    • 1
  • Andronikos Nedos
    • 1
  • Siobhán Clarke
    • 1
  1. 1.Distributed Systems GroupTrinity CollegeDublinIreland

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