This dissertation introduced the background, evolution and challenges to current GIS applications. Then, it discussed the extension to Geographical Object Server (GOS) in distributed aspect, Based on which, the dissertation proposed a cluster of GOSs-GSC.

• 本文首先介绍了分布式GIS的相关概念、发展现状和目前面临挑战，然后讨论了对于浙江大学人工智能实验室的地理对象服务器GOS在分布式方面的扩展，由此提出了地理对象服务器集群GSC的架构。