Large Scale Distributed Virtual Environments on the Grid: Design, Implementation, and a Case Study

Authors:
Congfeng Jiang;Xianghua Xu;Jian Wan;Wanqing Li;Xindong You
Affiliations:
Grid and Service Computing Lab, School of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou, P.R. China 310018;Grid and Service Computing Lab, School of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou, P.R. China 310018;Grid and Service Computing Lab, School of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou, P.R. China 310018;Grid and Service Computing Lab, School of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou, P.R. China 310018;Grid and Service Computing Lab, School of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou, P.R. China 310018
Venue:
Computer Supported Cooperative Work in Design IV
Year:
2008

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Abstract

Distributed Virtual Environments (DVEs) are geographically distributed computing systems which allow multiple users to interact simultaneously in computer-generated, shared virtual environments. DVEs are widely applied in many fields, such as online role playing games, synthesis military simulations, virtual cities, and virtual shopping malls. To support large-scale DVEs with high fidelity and satisfied interactive performance among various distributed clients, massive computing resources, storage resources, and highly efficient distributed server architectures are needed. In this paper, the key techniques of the system design and implementation for large scale Distributed Virtual Environment on the Grid (DVE-G) are discussed and a hierarchical architecture of DVE-G is proposed. Some aspects of DVE-G, such as resource management, massive data management, scene synchronization, and fault-tolerance are also discussed. A work-in-progress DVE-G prototype (e.g., the Virtual Hangzhou Dianzi University tourism system) is provided as a testbed scenario and the present evaluation results show that the architecture of DVE-G is feasible and scales well.