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Implementation of a Peer-to-Peer Multiplayer Game with Realtime Requirements (2009)
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BibTeX
@MISC{Lehn09implementationof,
author = {Max Lehn},
title = { Implementation of a Peer-to-Peer Multiplayer Game with Realtime Requirements},
year = {2009}
}
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Abstract
Massively multiplayer online games (MMOGs) have become increasingly popular in the recent years, particularly in the form of online role-playing games (MMORPGs). These games support up to several ten thousand players interacting in a virtual game world. The current commercially successful games are client-server based, which is feasible for relatively slow role-playing games. Those have modest bandwidth and latency requirements and are paid for by their customers. For MMOGs with higher realtime requirements and/or a smaller number of customers willing to pay, peer-to-peer networking seems to be a serious alternative. This work analyzes the implementation of both a client-server and a peer-to-peer networking model for the prototype shooter game Planet π4. Initially, a survey introduces recent academic approaches to peer-to-peer systems specifically designed for games. Of those, one system is selected for implementation with Planet π4. Planet π4 is improved in several aspects for the purpose of analyzing various network implementations. First, its architecture is restructured and cleaned to allow for an easy replacement of the networking component. Second, its core is modified to work in a completely event-based mode, supporting the execution of the game in an discrete-event-based network simulator. Third, a simple artificial intelligence player is developed for workload generation in large (and possibly simulated) networks. Furthermore, the newly developed transport protocol CUSP is applied for the network implementation, thus the game is the first real application using CUSP. Finally the game Planet π4 is integrated with the CUSP network simulator, allowing to run the whole game in a simulated network without the need for modification of its core components.
Keyphrases
realtime requirement peer-to-peer multiplayer game core component peer-to-peer system cusp network simulator network implementation latency requirement serious alternative online game networking component kurzfassung massen-mehrspieler-onlinespiele den vergangenen jahren zunehmend popul various network implementation online role-playing game transport protocol cusp game planet peer-to-peer networking model whole game simulated network form von online-rollenspielen event-based mode multiplayer online game modest bandwidth peer-to-peer networking easy replacement simple artificial intelligence player slow role-playing game successful game workload generation virtual game world recent academic approach prototype shooter game planet several aspect recent year discrete-event-based network simulator first real application
