Description: In recent years, Content Delivery Networks (CDN) and Peerto-
Peer (P2P) networks have emerged as two effective paradigms for
delivering multimedia contents over the Internet. An important feature
in CDN and P2P networks is the data redundancy across multiple
servers/peers which enables efcient media delivery. In this paper, we
propose a network coding framework for efcient media streaming in
either content delivery networks or P2P networks in which, multiple
servers/peers are employed to simultaneously stream a video to a single
receiver. Unlike previous multi-sender schemes, we show that network
coding technique can (a) reduce the redundancy storage, (b) eliminate the
need for tight synchronization between the senders, and (c) be integrated
easily with TCP.
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