The design, implementation, and performance evaluation of the on-demand multicast routing protocol in multihop wireless networks

  • Authors:

  • Sang Ho Bae;Sung-Ju Lee;W. Su;M. Gerla

  • Affiliations:

  • California Univ., Los Angeles, CA, USA;-;-;-

  • Venue:
  • IEEE Network: The Magazine of Global Internetworking
  • Year:
  • 2000

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Abstract

Multicasting has emerged as one of the most focused areas in the field of networking. As the technology and popularity of the Internet grow, applications such as video conferencing that require the multicast feature are becoming more widespread. Another interesting development has been the emergence of dynamically reconfigurable wireless ad hoc networks to interconnect mobile users for applications ranging from disaster recovery to distributed collaborative computing. In this article we describe the on-demand multicast routing protocol for mobile ad hoc networks. ODMRP is a mesh-based, rather than conventional tree-based, multicast scheme and uses a forwarding group concept (only a subset of nodes forwards the multicast packets packets via scoped flooding). It applies on-demand procedures to dynamically build routes and maintain multicast group membership. We also describe our implementation of the protocol in a real laptop testbed