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Mobility of nodes is an important issue in Mobile Adhoc NETworks (MANET). Nodes in MANET move from one network to another individually and in the form of group. In single node mobility scheme every node performs registration individually in new MANET whereas in group mobility scheme only one node in a group i.e Group Representative (GR) performs registration on behalf of all other nodes in the group and is assigned Care of Address (CoA). Internet Protocol (IP) of all other nodes in the group remains same. The simulated results prove that group mobility scheme reduces number of messages and consumes less time for registration of nodes as compared to single node mobility scheme. Thus network load is reduced in group mobility scheme.
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