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Delay Tolerant Networks (DTN) are sparse ad hoc networks in which no contemporaneous path exists between any two nodes in the network most of the time. Due to non-availability of end-to-end paths, multicast protocols of traditional networks fail in DTN because they try to find connected multicast graph between source and destination nodes before forwarding data packets. Routing protocols proposed...
We demonstrate that the gain attained by network coding (NC) on the multicast capacity of random wireless ad hoc networks is bounded by a constant factor. We consider a network with n nodes distributed uniformly in a unit square, with each node acting as a source for independent information to be sent to a multicast group consisting of m randomly chosen destinations. We show that, under the protocol...
An ad hoc network is a multi-hop wireless network of mobile nodes without fixed infrastructure. We have proposed PoolODMRP to adapt limited bandwidth and frequently changing topology of ad hoc network. However, PoolODMRP does not make full use of its multiple paths by distributing its data load over these paths. Therefore, in this paper, we propose MPoolODMRP (Multipath PoolODMRP) to extend PoolODMRP...
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