21世纪计算机技术和网络技术的飞速发展将地理信息产业带进了一个崭新的领域.地理空间信息服务成为解决数据异构、实现资源共享的有效途径.然而,随着地理信息服务在各领域的推广应用,传统分布式技术在开发地理信息网络服务中所面临的安全问题逐渐突显出来,已严重制约了网络服务在地理信息产业的发展.针对矢量数据服务在数据传输、服务操作、服务审计等阶段所面临的来自网络内部和外部的安全风险,应用WCF技术,深人地研究了矢量数据服务安全机制的构建与实现.%The rapid development of computer and network technology in 21st century sends geographic information industry into a new field Geospatial inforiation network services have become a solution to achieve effective way of sharing resources. However, with the practice of geographic information service in various fields, security and performance issues facing in the devehopment of geospatial information network service by using traditional distributed technology have grahually exposed, which has seriouly hampered the development of network service in the geographic information industry In allusion to inner and onter risks of vector data service tacing in the stages of data transfer seavice operation.and service audit this paper has deeply researched the construction and implementation of security mechanism in vector data service based on WCF technology framework.
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