Sync-MS: Synchronized Messaging Service for Real-Time Multi-Player Distributed Games

  • Authors:
  • Yow-Jian Lin;Katherine Guo;Sanjoy Paul

  • Affiliations:
  • -;-;-

  • Venue:
  • ICNP '02 Proceedings of the 10th IEEE International Conference on Network Protocols
  • Year:
  • 2002

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Abstract

Real-time, online multi-player games are becoming increasingly popular due to advances in game design and the proliferation of broadband Internet access. However, fairness remains a major challenge when players over large geographic areas participate in a client-server based game together. This paper proposes a game-independent, network-based service, called Sync-MS, that balances the tradeoff between response time and fairness. Sync-MS uses twomechanisms, Sync-out and Sync-in, to address state update fairness and player action fairness, respectively. Two metrics, ahead and behind measured against the fair order, aredefined to evaluate Sync-MS's fairness performance. Simulation results show that Sync-MS dramatically improves player action fairness for all players while slightly increases average response time for players with shorter network delay to the game server.