Optimal Serial Broadcast of Successive Chunks

  • Satoshi Fujita
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8344)


This paper studies the problem of broadcasting successive chunks to all nodes in a network under an assumption such that each node can upload a chunk to exactly one node at a time. This models the delivery of a video stream in a Peer-to-Peer (P2P) network in which chunks of a stream are successively given by the media server. We propose two schemes for solving the problem. The first scheme attains an optimum broadcast time of \(\lceil{\lg n}\rceil\) steps, where n is the number of nodes, using an overlay network in which each node has \(\mathcal{O}(\lg^2 n)\) children. The second scheme reduces the number of children by slightly increasing the broadcast time. More concretely, it completes each broadcast in \(\lg n+o(\lg n)\) steps when the number of children is bounded by O((f(n))2) for any function satisfying f(n) = ω(1) and f(n) = o(n).


Peer-to-Peer video streaming scheduling optimum broadcast time 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Satoshi Fujita
    • 1
  1. 1.Department of Information EngineeringHiroshima UniversityHigashi-HiroshimaJapan

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