ISP-friendly rate allocation for P2P applications
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United States of America Patent
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Dec 20, 2011
Grant Date -
Apr 1, 2010
app pub date -
Sep 30, 2008
filing date -
Sep 30, 2008
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Abstract
An ISP-friendly rate allocation system and method that reduces network traffic across ISP boundaries in a peer-to-peer (P2P) network, Embodiments of the system and method continuously solve a global optimization problem and dictate accordingly how much bandwidth is allocated on each connection. Embodiments of the system and method minimize load on a server in communication with the P2P network, minimize ISP-unfriendly traffic while keeping the minimum server load unaffected, and maximize peer prefetching. Two different techniques are used to compute rate allocation, including a utility function optimization technique and a minimum cost flow formulation technique. The utility function optimization technique constructs a utility function and optimizes that utility function. The minimum cost flow formulation technique generates a minimum cost flow formulation using a bipartite graph have a vertices set and an edges set. A distributed minimum cost flow formulation is solved using Lagrangian multipliers.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
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- MICROSOFT TECHNOLOGY LICENSING, LLC
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Huang, Cheng | Redmond, US | 163 | 3665 |
Li, Jin | Sammamish, US | 524 | 10850 |
Sengupta, Sudipta | Redmond, US | 81 | 3607 |
Wang, Jiajun | Oakland, US | 25 | 169 |
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