A performance model of system delay and user strategy selection
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Collaboration and learning within immersive virtual reality
Proceedings of the third international conference on Collaborative virtual environments
Consistency in replicated continuous interactive media
CSCW '00 Proceedings of the 2000 ACM conference on Computer supported cooperative work
Interactive Multiuser VEs in the DIVE System
IEEE MultiMedia
A distributed architecture for multiplayer interactive applications on the Internet
IEEE Network: The Magazine of Global Internetworking
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Local-lag algorithm is an efficient way to maintain consistency for replicated continuous applications which have a high requirement on accuracy. However, local-lag algorithm will lead to context violation, which may induce the execution result of an operation to be violated (i.e., result violation). In this paper, the definitions of context violation and result violation are presented and the relationship between these two violations is analyzed. Besides, a game named X-Spaceship, which adopts the local-lag algorithm, is employed to study the effects of context violation on the execution result in a particular system. The experiment results indicate that the probability of result violation happening increases fast with lag value when lag value ranges from 0 ms to 200 ms, when lag value exceeds 200 ms, it exceeds 0.7 in some situations.