Multicast operation of the ad-hoc on-demand distance vector routing protocol
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Adaptive demand-driven multicast routing in multi-hop wireless ad hoc networks
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
A dynamic core based multicast routing protocol for ad hoc wireless networks
Proceedings of the 3rd ACM international symposium on Mobile ad hoc networking & computing
Neighbor supporting ad hoc multicast routing protocol
MobiHoc '00 Proceedings of the 1st ACM international symposium on Mobile ad hoc networking & computing
AMRoute: ad hoc multicast routing protocol
Mobile Networks and Applications
Ad-hoc On-Demand Distance Vector Routing
WMCSA '99 Proceedings of the Second IEEE Workshop on Mobile Computer Systems and Applications
A Highly Adaptive Distributed Routing Algorithm for Mobile Wireless Networks
INFOCOM '97 Proceedings of the INFOCOM '97. Sixteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Driving the Information Revolution
The core-assisted mesh protocol
IEEE Journal on Selected Areas in Communications
Improving QoS in multicasting through adaptive redundancy
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Review: Review of multicast routing mechanisms in mobile ad hoc networks
Journal of Network and Computer Applications
An efficient mesh-based multicast routing protocol in mobile ad hoc networks
Wireless Communications & Mobile Computing
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Mesh-based multicast routing protocols for multi-hop wireless ad hoc networks (MANETs) build multiple paths from senders to receivers. Higher redundancy results in higher reliability because packets can be delivered even in the presence of links breaking. However, in less dynamic environments, in which links break less frequently, the additional redundancy may not be needed in terms reliability and may significantly increase overhead. This paper investigates the tradeoffs between reliability and efficiency in mesh-based multicast protocols for MANETs. We introduce an adaptive mesh-based multicast mechanism that controls mesh redundancy based on link reliability in the neighborhood of the node. Mesh redundancy is measured by the number of paths from each receiver to the core of the group's mesh, which serves as the address of the group. We introduce a metric called Mesh Reliability Index (MRI), which allows nodes to estimate the reliability of the mesh in their neighborhood, and determine whether redundancy needs to be increased or decreased. Through simulations, we compare the performance of the adaptive mesh-building protocol against the non-adaptive version (which builds the mesh with maximum redundancy), and against ODMRP for a wide range of scenarios with varying mobility, group members, number of senders, traffic load, number of multicast groups and terrain size. Our results show that adjusting mesh redundancy based on link reliability can maintain high packet delivery ratios with less overhead compared to non-adaptive mesh-based multicast protocols.