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To resolve the channel resources waste problem of current multicast routing algorithm in low earth orbit (LEO) satellite IP networks, a core-cluster-based source-specific multicast (CSSM) algorithm and its weighted version (i.e. wCSSM algorithm) are presented. The CSSM algorithm takes source node as initial core-cluster, and expands it step by step to construct entire multicast tree with the lowest...
We present and verify the epsiv-optimal approximation scheme for on-demand multipath routing in ad hoc networks (epsiv-AOMDV), an extension to the well-studied ad hoc on distance vector (AODV). By introducing the hop count limiting parameter -epsiv, we modify the route update conditions and route discovery processes. The proposed protocol selects and maintains the multiple paths that are shorter than...
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