Infrastructure-Less Multicast Protocol in Mobile Ad-Hoc Networks

Ad-hoc networks have the characteristics of dynamic topology and many applications on ad-hoc networks tend to require group communication capabilities. Previously proposed multicast mechanisms on mobile ad-hoc networks build multicast-infrastructures like the tree or mesh for the group communication and these infrastructures may cause significant overhead especially in a highly dynamic mobile ad-hoc network environment. Therefore, in this paper, we propose a new multicast mechanism supporting multicast services based on only the underlying unicast routing tables, hence any multicast-related infrastructures like trees and meshes are not required to be constructed. As a result, we could achieve better performance in terms of the reliability and the control overhead.

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