社区云是云计算四种部署模式中应用较少的一种,但对于面向科研和学术界的云服务却有其特点和优势,非常值得探索。本文结合中国科学院科技云的实践,讨论了身份管理与授权、服务集成、测量与运行管理三项关键技术,提出了一种适合社区云的联盟和微服务架构,并指出社区云在模式和机制、可靠性、安全、组织管理等方面所面临的挑战。 Community cloud is one of the four cloud computing deployment model less, but for research and academia has its own characteristics and advantages of cloud services, it is worth exploring. Based on the practice of science and technology cloud in CAS, this paper discusses three key technologies of identity management and authorization, service integration, measurement and operation management, and proposes a coalition and microservice architecture suitable for community cloud. , Reliability, security, organizational management and other aspects of the challenges.