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Server Placement for Enhancing the Interactivity of Large-Scale Distributed Virtual Environments

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2 Author(s)
Ta, D.N.B. ; Sch. of Comput. Eng., Nanyang Technol. Univ., Singapore ; Zhou, S.

Distributed virtual environments (DVEs) allow many simultaneous human users to interact with each other in shared, 3D virtual worlds. The interactivity of a DVE is of crucial importance, as its success greatly depends on users' perceptions when interacting within the virtual world. In this paper, different from traditional application-centric approaches like dead reckoning, we propose a network-centric approach to enhance the interactivity of DVEs by directly reducing the network latencies in client-server communications. We consider a key problem with this approach, termed the server placement problem. Generally, this problem concerns how to place servers in the network to reduce client-server communication latencies. We then suggest several degree-based server placement approaches. Extensive simulation studies using realistic models have shown that appropriate server placement is very effective in enhancing the interactivity of large-scale DVEs

Published in:

Cyberworlds, 2006. CW '06. International Conference on

Date of Conference:

Nov. 2006

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