A hybrid distributed virtual environment (DVE) architecture is presented by importing a peer-to-peer (P2P) idea into the traditional client/server (C/S) architecture to improve the DVE system's scalability. The...A hybrid distributed virtual environment (DVE) architecture is presented by importing a peer-to-peer (P2P) idea into the traditional client/server (C/S) architecture to improve the DVE system's scalability. The mathematical model of the overload of the center server was built and a series of simulation experiments were performed to validate the conclusions. When the client number increases to a certain value, the hybrid architecture can reduce server overload with some special clients (temp servers) selected with a certain heuristic strategy. With this architecture, the DVE system can support more system clients with the same server hardware than the C/S architecture can. The server overload "pulse" phenomena causing by the exiting of the temp server can be resolved by adopting a more optimized temp server selecting strategy and by reducing the child client capability of the temp server. By combining the advantages of the C/S architecture and the P2P architecture, the hybrid DVE architecture can effectively improve the scalability of the DVE system. This is validated by theoretical analysis and simulation experiments.展开更多
文摘A hybrid distributed virtual environment (DVE) architecture is presented by importing a peer-to-peer (P2P) idea into the traditional client/server (C/S) architecture to improve the DVE system's scalability. The mathematical model of the overload of the center server was built and a series of simulation experiments were performed to validate the conclusions. When the client number increases to a certain value, the hybrid architecture can reduce server overload with some special clients (temp servers) selected with a certain heuristic strategy. With this architecture, the DVE system can support more system clients with the same server hardware than the C/S architecture can. The server overload "pulse" phenomena causing by the exiting of the temp server can be resolved by adopting a more optimized temp server selecting strategy and by reducing the child client capability of the temp server. By combining the advantages of the C/S architecture and the P2P architecture, the hybrid DVE architecture can effectively improve the scalability of the DVE system. This is validated by theoretical analysis and simulation experiments.