QuON - A Quad-Tree Based Overlay Protocol for Distributed Virtual Worlds

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Executive Summary

Massively Multiplayer Online Games and Virtual Worlds are among the most popular applications on the Internet. As player numbers increase, the limits of the currently dominant client/server architecture are becoming obvious. In this paper, the authors propose a new distributed event dissemination protocol for VirtualWorlds and MMOGs. This protocol is based upon the idea of mutual notification: all players send their game event messages directly to all neighboring players inside their Area of Interest. The connectedness of the system is ensured by binding neighbors. They are selected using quad-trees.

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