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Impact of event filtering on opensimulator server performance

Virtual worlds can be used to create immersive 3D teleconferencing and collaboration spaces. One challenge to the scalability of virtual collaboration is the unpredictable behavior of virtual world client viewers. This paper describes the result of a performance study of server optimizations in OpenSimulator, a multi-platform, 3D virtual world server. We explore the effect of server-side optimizations on mitigating client viewer instability. Our results show that filtering out insignificant events decreases server load by at least 24%, restoring it to baseline load levels.