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Congestion Control for Multicast Flows With Network coding

IEEE TRANSACTIONS ON INFORMATION THEORY 2012年第9期58卷 5908-5921页

作者： Chen, Lijun Ho, Tracey Chiang, Mung Low, Steven H. Doyle, John C. Univ Colorado Coll Engn & Appl Sci Boulder CO 80309 USA CALTECH Div Engn & Appl Sci Pasadena CA 91125 USA Princeton Univ Dept Elect Engn Princeton NJ 08544 USA

Recent advances in network coding have shown great potential for efficient information multicasting in communication networks, in terms of both network throughput and network management. In this paper, the problem of flow control at end-systems for network-coding-based multicast flows is addressed. Optimization-based models are formulated for network resource allocation, based on which two sets of decentralized controllers at sources and links/nodes for congestion control are developed for wired networks with given coding subgraphs and without given coding subgraphs, respectively. With random network coding, both sets of controllers can be implemented in a distributed manner, and work at the transport layer to adjust source rates and at network layer to carry out network coding. The convergence of the proposed controllers to the desired equilibrium operating points is proved, and numerical examples are provided to complement the theoretical analysis. The extension to wireless networks is also briefly discussed.

关键词： coding subgraph congestion control distributed algorithm multicast network coding

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Optimization based rate control for multicast with network coding

Optimization based rate control for multicast with network c...

引用

26th IEEE Conference on Computer Communications (INFOCOM 2007)

作者： Chen, Lijun Ho, Tracey Low, Steven H. Chiang, Mung Doyle, John C. CALTECH Div Engn & Appl Sci Pasadena CA 91125 USA Princeton Univ Dept Elect Engn Princeton NJ 08544 USA

ISBN: (纸本)9781424410460

Recent advances in network coding have shown great potential for efficient information multicasting in communication networks, in terms of both network throughput and network management. In this paper, we address the problem of rate control at end-systems for network coding based multicast flows. We develop two adaptive rate control algorithms for the networks with given coding subgraphs and without given coding subgraphs, respectively. With random network coding, both algorithms can be implemented in a distributed manner, and work at transport layer to adjust source rates and at network layer to carry out network coding. We prove that the proposed algorithms converge to the globally optimal solutions for intra-session network coding. Some related issues are discussed, and numerical examples are provided to complement our theoretical analysis.

关键词： rate control network coding multicast coding subgraph distributed algorithm

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