Game theory as a tool to strategize as well as predict nodes' behavior in peer-to-peer networks

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2005-01-01
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Gupta, Rohit
Somani, Arun
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Electrical and Computer Engineering

The Department of Electrical and Computer Engineering (ECpE) contains two focuses. The focus on Electrical Engineering teaches students in the fields of control systems, electromagnetics and non-destructive evaluation, microelectronics, electric power & energy systems, and the like. The Computer Engineering focus teaches in the fields of software systems, embedded systems, networking, information security, computer architecture, etc.

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The Department of Electrical Engineering was formed in 1909 from the division of the Department of Physics and Electrical Engineering. In 1985 its name changed to Department of Electrical Engineering and Computer Engineering. In 1995 it became the Department of Electrical and Computer Engineering.

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1909-present

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  • Department of Electrical Engineering (1909-1985)
  • Department of Electrical Engineering and Computer Engineering (1985-1995)

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In this paper we use game theory to study nodes' behavior in peer-to-peer networks when nodes receive service based on their reputation. Reputation is used as a mechanism to incentivize nodes to share resources and provide services to others. The probability of a node obtaining service is directly proportional to its current reputation, and the only way to enhance reputation is by serving others. Thus, the problem of free-riding is minimized. Game theory can be used by individual selfish nodes to determine their optimal strategy for participation level in such a system. Moreover, game theory gives us interesting insight into the overall nature of nodes' interactions and system efficiency, and how system efficiency can be improved.

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This is a manuscript of a proceeding published as Gupta, Rohit, and Arun K. Somani. "Game theory as a tool to strategize as well as predict nodes' behavior in peer-to-peer networks." In 11th International Conference on Parallel and Distributed Systems (ICPADS'05), vol. 1, pp. 244-249. IEEE, 2005. DOI: 10.1109/ICPADS.2005.157. Posted with permission.

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Sat Jan 01 00:00:00 UTC 2005