云计算的最终目的是向用户提供各种资源的共享服务,文章称之为云共享。本文在2008年ICWS会议提出的云计算三层构架的基础上,分析构架中每一层所对应的角色及其相互关系,研究云共享的交互关系,提出P2C、C2C和P2P三种云共享的交互模式。其中,P2C交互模式中包含了三种云计算的类型,即公有云、私有云和混合云。C2C交互模式为社区云模式,P2P交互模式为交互云模式。文章还分别讨论三种交互模式在交互过程中如何实现资源共享、最大化地利用云资源。
The purpose of cloud computing is to provide the services of sharing resources to different users which is called cloud sharing. The paper explores the cloud computing definition of ICWS and its actors. After discussing three major actors of the cloud sharing, such as providers, developers and users, the paper not only abstracts two actors which are provider and user, but also analyzes their interactive relationship in the resource sharing. What is more, it puts forward three interactive patterns about cloud sharing which are P2C, C2C and P2P, and then analy- zes how they share cloud resources among the interactive processes.