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NETGAMES
2006
ACM

On correctness of scalable multi-server state replication in online games

9 years 6 months ago
On correctness of scalable multi-server state replication in online games
Massively Multiplayer Online Games (MMOG) require novel, scalable network architectures for a high amount of participating players in huge game worlds. Consequently, new and complex multi-server parallelization approaches have been proposed to provide responsive, massively multiplayer gameplay for different game genres. Besides scalability and performance, the issue of correctness of the game state processing is vital for providing a failure-free gameplay as expected by the users. In this paper, we first introduce the concept of correctness for multi-server replication architectures as the ability to preserve the order of user inputs in the virtual processing. We then present two correctness mechanisms optimized for multi-server replication: pessimistic lag and optimistic timewarp. We experimentally show that by implementing the lag mechanism for correctness in our multi-server implementation of the QFusion/Quake2-game the amount of incorrectly ordered actions can be reduced from 50...
Jens Müller 0004, Andreas Gössling, Serg
Added 14 Jun 2010
Updated 14 Jun 2010
Type Conference
Year 2006
Where NETGAMES
Authors Jens Müller 0004, Andreas Gössling, Sergei Gorlatch
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