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Cheat detection for MMORPG on P2P environments

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dc.contributor.author Izaiku, Takato en
dc.contributor.author Yamamoto, Shinya en
dc.contributor.author Murata, Yoshihiro en
dc.contributor.author Shibata, Naoki en
dc.contributor.author Yasumoto, Keiichi en
dc.contributor.author Ito, Minoru en
dc.date.accessioned 2017-01-10T07:31:53Z en
dc.date.available 2017-01-10T07:31:53Z en
dc.date.issued 2006 en
dc.identifier.isbn 1595935894 en
dc.identifier.uri http://hdl.handle.net/10061/11356 en
dc.description NetGames'06 : 5th ACM SIGCOMM workshop on Network and system support for games , Oct 30-31, 2006 , Singapore en
dc.description.abstract In this paper, we propose a new method for detecting cheat in P2P-based MMORPG. We suppose a typical P2P-based event delivery architecture where the entire game space is divided into subareas and a responsible node (selected from player terminals) delivers each event happened in the sub-area to player nodes there every predetermined time interval called timeslot. In the proposed method, we introduce multiple monitor nodes (selected from player terminals) which monitor the game state and detect cheat when it happens. In order to allow monitor nodes to track the correct game states for the corresponding subarea, we let monitor nodes and a responsible node retain a random number seed and player nodes send their events not only to responsible node but also monitor nodes so that the monitor nodes and the responsible node can uniquely calculate the latest game state from the previous game state and game events which happened during the current timeslot. Either responsible node, monitor nodes or player nodes can detect cheat by comparing hash values of game state which are retained by those nodes periodically, and role back events happened since the last correct game state. Through experiments in PlanetLab, we show that our method achieves practical performance to detect cheats. en
dc.language.iso en en
dc.publisher ACM en
dc.rights Copyright c 2006 ACM New York, NY, USA en
dc.subject Distributed System en
dc.subject Cheating en
dc.subject Massively Multiplayer Online Gaming en
dc.subject Peer to Peer en
dc.title Cheat detection for MMORPG on P2P environments en
dc.type.nii Conference Paper en
dc.textversion Author en
dc.relation.doi 10.1145/1230040.1230056 en
dc.identifier.artnum 46 en
dc.identifier.NAIST-ID 73292302 en
dc.identifier.NAIST-ID 22740047 en
dc.identifier.NAIST-ID 73292559 en


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