Presentation 2010-11-19
Braess's Paradox in Graph B^k with Two Sources
Shimpei HAMAGUCHI, Takafumi KANAZAWA, Toshimitsu USHIO,
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Abstract(in English) Selfish routing is a selfish route selection of players in computer networks. Players are assumed to select paths so as to minimize their data transfer latencies. Recently, selfish routing is analyzed as an evolutionary game. Additional edges are expected to reduce the average latency of data transfers, but such edges may increase the average latency in some single-source single-sink networks. Such a situation is well known as Braess's paradox. In this paper, we model selfish routing in graph B^k with two sources as a 2-player game. If a Nash equilibrium differ from Pareto optimal, we say Braess's paradox occurs. We investigate a condition for the occurrence of Braess's paradox in graph B^k with two sources.
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Keyword(in English) Braess's paradox / selfish routing / multipopulation replicator dynamics / Pareto optimal
Paper # CAS2010-82,CST2010-55
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Committee CAS
Conference Date 2010/11/11(1days)
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Registration To Circuits and Systems (CAS)
Language JPN
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Title (in English) Braess's Paradox in Graph B^k with Two Sources
Sub Title (in English)
Keyword(1) Braess's paradox
Keyword(2) selfish routing
Keyword(3) multipopulation replicator dynamics
Keyword(4) Pareto optimal
1st Author's Name Shimpei HAMAGUCHI
1st Author's Affiliation Graduate school of Engineering Science, Osaka University()
2nd Author's Name Takafumi KANAZAWA
2nd Author's Affiliation Graduate school of Engineering Science, Osaka University
3rd Author's Name Toshimitsu USHIO
3rd Author's Affiliation Graduate school of Engineering Science, Osaka University
Date 2010-11-19
Paper # CAS2010-82,CST2010-55
Volume (vol) vol.110
Number (no) 283
Page pp.pp.-
#Pages 5
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