As the infrastructure of cloud computing services, cloud platform provides unified management of a variety of computing resources and dynamic allocation on the basis of a computer network. The public services for remote sensing information addressed in the paper will build fast and effective public services for remote sensing information, promote the application of remote sensing information, and make progress in advancing the cause of sensitive information with the help of the advanced infrastructures and managements of cloud -platform. Architecture and key technologies of public service platform for remote sensing information are elaborated and analyzed. The platform will have good foreground and applications in further.%云平台作为云计算服务的基础架构，在计算机网络的基础上提供各种计算资源的统一管理和动态分配。文章提出的基于云平台的遥感信息公共服务，就是借助云平台先进的基础架构和管理方式，构建快速有效的遥感信息公共服务，推进遥感信息的应用和遥感信息事业的进步。文章在引进云平台技术的基础上，分析遥感信息公共服务平台的架构和关键技术，并对服务平台的应用前景和进一步研究进行展望。
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