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Atomic Congestion Games: Fast, Myopic and Concurrent

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Algorithmic Game Theory (SAGT 2008)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 4997))

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Abstract

We study here the effect of concurrent greedy moves of players in atomic congestion games where n selfish agents (players) wish to select a resource each (out of m resources) so that her selfish delay there is not much. The problem of “maintaining” global progress while allowing concurrent play is exactly what is examined and answered here. We examine two orthogonal settings : (i) A game where the players decide their moves without global information, each acting “freely” by sampling resources randomly and locally deciding to migrate (if the new resource is better) via a random experiment. Here, the resources can have quite arbitrary latency that is load dependent. (ii) An “organised” setting where the players are pre-partitioned into selfish groups (coalitions) and where each coalition does an improving coalitional move. Our work considers concurrent selfish play for arbitrary latencies for the first time. Also, this is the first time where fast coalitional convergence to an approximate equilibrium is shown.

The 2nd and 3rd author were partially supported by the IST Program of the European Union under contract number IST-015964 (AEOLUS). This work was partially supported by the Future and Emerging Technologies Unit of EC (IST priority – 6th FP), under contract no. FP6-021235-2 (project ARRIVAL).

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Fotakis, D., Kaporis, A.C., Spirakis, P.G. (2008). Atomic Congestion Games: Fast, Myopic and Concurrent. In: Monien, B., Schroeder, UP. (eds) Algorithmic Game Theory. SAGT 2008. Lecture Notes in Computer Science, vol 4997. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-79309-0_12

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  • DOI: https://doi.org/10.1007/978-3-540-79309-0_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-79308-3

  • Online ISBN: 978-3-540-79309-0

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