Consider distrihuting a file of F bits to N peers using a P2P architecture. Assume a fluid

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Consider distrihuting a file of F bits to N peers using a P2P architecture. Assume a fluid model. For simplicity assume that dmin is very large, so that peer download bandwidth is never a bottleneck.
a. Suppose that μs ≤ (us + μ1 + ... + uN)/N. Specify a distribution scheme that has a distribution time of F/us.
b. Suppose that μs, ≥ (us + ul + ... + uN)/N. Specify a distribution scheme that has a distribution time of NF/(us, + μ1 + ... + UN)'
c. Conclude that the minimum distribution time is in general given by max {F/us,NF/(us +ul + ... + uN)}.
Distribution
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Computer Networking A Top-Down Approach

ISBN: 978-0136079675

5th edition

Authors: James F. Kurose, Keith W. Ross

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