KEYWORDS: Geographic information systems, Internet, Computer simulations, Data processing, Data acquisition, Local area networks, Software development, Data centers, Telecommunications, Distributed computing
This paper firstly introduces the spatial data grid and the CDN (Content Delivery Network) technology. And then it
depicts the significance of integrating grid with CDN. On this basis, this paper proposes a method of constructing the
spatial data grid system by using CDN to support the massive spatial data online service. Finally, the simulation results
by OPNET show that the programme do can improve the system performance, and reduce response time in a greater
extent.
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