Parallel Computing - Special issue: Parallel and nature-inspired computational paradigms and applications
Improving the Performance of Distributed Virtual Environment Systems
IEEE Transactions on Parallel and Distributed Systems
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Graphic cards performance increase and fast Internet connections are popularising Networked Virtual Environments. This immature paradigm of real-time applications has still to solve a set of internal problems associated with the heterogeneity in client-side hardware, network bandwidth and graphic application requirements efficiently. The problem of properly assigning clients (3D avatars) to servers in a server-network architecture is one of them. This paper describes a new solution to this NP-complete task, called partitioning problem. This solution is based on GRASP, a multi-start metaheuristic for combinatorial problems. The results of the performed experiments, compared to the main reference in this field for a proof-of-concept system, show better clustering solutions with less execution times.