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An important and essential issue for multicast Mobile Ad-hoc NETworks (MANETs) is routing protocol design, i.e., a major technical challenge due to the dynamism of the network. Mobile Ad-hoc NETwork (MANET) is a dynamic, multi-hop and autonomous network composed of light wireless mobile nodes. A lot of control messages are required to build optimal multicast trees and maintaining group membership due to the dynamism of MANETs. Due to these overheads the authors consume greater energy resources of mobile nodes and network resources like wireless links bandwidth. This paper presents an effective multicast routing protocol for MANET with least control overhead. The protocol constructs shared multicast tree using the physical position of the nodes for the multicast sessions.
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