Secure referee selection for fair and responsive peer-to-peer gaming
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Peer-to-Peer (P2P) architectures for Massively Multiplayer Online Games (MMOG) provide better scalability than Client/Server (C/S); however, they increase the possibility of cheating. Recently proposed P2P protocols use trusted referees that simulate/validate the game to provide security equivalent to C/S. When selecting referees from untrusted peers, selecting non-colluding referees becomes critical. Further, referees should be selected such that the range and length of delays to players is minimised (maximising game fairness and responsiveness). In this paper we formally define the referee selection problem and propose two secure referee selection algorithms, SRS-1 and SRS-2, to solve it. Both algorithms ensure the probability of corrupt referees controlling a zone/region is below a predefined limit, while attempting to maximise responsiveness and fairness. The trade-off between responsiveness and fairness is adjustable for both algorithms. Simulations of three different scenarios show the effectiveness of our algorithms.
The final, definitive version of this paper has been published in Simulation, 85 (9), June/2009 by SAGE Publications Ltd, All rights reserved. ©
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Webb, Steven Daniel (2010)Network computer games are played amongst players on different hosts across the Internet. Massively Multiplayer Online Games (MMOG) are network games in which thousands of players participate simultaneously in each instance ...
Webb, Steven; Soh, Sieteng; Trahan, J.L. (2008)Peer-to-peer (P2P) architectures for Massively Multiplayer Online Games (MMOG) provide better scalability than Client/Server (C/S); however, they increase the possibility of cheating. Recently proposed P2P protocols use ...
Webb, Steven; Soh, Sieteng (2007)The Referee Anti-Cheat Scheme (RACS) increases the scalability of Client/Server (C/S) games by allowing clients to exchange updates directly. Further, RACS maintains the security of C/S as the trusted referee (running on ...