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Application layer multicast is probably the most efficient scheme to sustain the group communication for delay sensitive applications in Internet due to its rapid deployment. However, the problem of building a degree-constrained minimum delay application layer multicast tree is proven to be NP-hard. In this paper, we investigate this optimization problem and propose a distributed protocol to explore...
For overlay network, the mismatch between logical network and underlying physical network could cause a high number of substrate hops resulting in increased delay and network traffic, as well as degrade performance of application significantly. Thus selecting the nearest neighbor for each node in terms of network latency, will bridge this gap efficiently. In this paper, we present a novel approach...
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