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Disjoint multipath routing is an attractive approach for improving the reliability of data delivery in wireless sensor networks. Recently, the issue for maintaining the robustness and efficiency of the disjoint multipath routing against network failures such as network holes are being studied. Several protocols have been proposed to handle the network failures. However, they cause the large performance...
Overlay multicast protocols in mobile ad hoc networks (MANET) have advantages that are low overhead and robustness in dynamic network topology by using the unicast routing protocol between group members. However, overlay data paths in overlay multicast can remain static even though the underlying physical topology is changing. Overlay multicast may lead to sub-optimal overlay data paths, since the...
Overlay multicast in mobile ad hoc networks (MANETs) with densely placed member nodes can cause inefficient packet transmission. It is because unicast paths are used in overlay multicast while, in MANETs, broadcast medium is used. Even though the nodes can reach each other within single hop, overlay multicasting creates unicast paths so that in such a case overlay multicast could be very inefficient...
Reactive overlay multicast approaches e.g. ODOMP, for mobile ad hoc networks (MANETs) have the advantages of low topology maintenance overhead and high stability. In this paper, we propose a reactive overlay multicasting approach based on delayed forwarding mechanism. This approach consists two parts: overlay multicasting and one-hop clustering. A reactive source rooted overlay multicast tree which...
The previous tree-based and mesh-based multicasting in mobile ad hoc networks need to be improved because of their shortcomings of the mechanisms. One of them is lots of signaling overheads to modify multicast trees due to dynamic topology, and the other is inefficiently exploiting wireless network resources for delicately set paths. For the reason, overlay multicast mechanisms in mobile ad hoc networks...
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