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This paper addresses the problem of utility maximization of multicast sessions with multiple trees over static infrastructure networks. The utility functions are general concave functions. Inspired by the derivation of the unicast backpressure algorithms, we introduce a problem formulation with tree-flow conservation constraints and derive a multicast backpressure algorithm. The algorithm is much...
In this paper, we investigate the issue of server selection for P2P IPTV system on fiber to the node networks. To achieve high performance and resilience to failures, a peer can make connections with multiple peers simultaneously and receive different portions of the data in parallel. Prior work mostly focuses on user-centric performance objectives, such as reducing the round-trip time or the completion...
A distinct trend has emerged that the Internet is used to transport data on a more and more massive scale. Capacity shortage in the backbone networks has become a genuine possibility, which will be more serious with fiber-based access. The problem addressed in this paper is how to conduct massive content distribution efficiently in the future network environment where the capacity limitation can equally...
rdquoApplication-level multicast is a promising alternative to IP multicast due to its independence from the IP routing infrastructure and its flexibility in constructing the delivery trees. The existing overlay multicast systems either support a single data source or have high maintenance overhead when multiple sources are allowed. They are inefficient for applications that require any-source multicast...
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