关键词: 云计算, 平台即服务, 协同应用, 动态构建, 调度

Abstract: To construct Platform as a Service(PaaS)platform supporting development, delivery, deployment and usage patterns of collaborative application, a new PaaS platform named Collaboration PaaS(CoPaaS)which supported dynamic construction and implement of collaborative application was proposed. In this platform, Software as a Service(SaaS)cloud service was formed after Independent Software Vendor(ISV)delivered applications to platform. Tenants could choose and custom a group of applications to support dynamic construction and execution of individualized demand with the help of collaborative application's automatic construction, verification and scheduling. The architecture of CoPaaS platform as well as modeling, customization, dynamic construction and scheduling method of collaborative application were introduced in detail. A case study in e-commerce instance was used to demonstrate the service capabilities of platform.

Key words: cloud computing, platform as a service, collaboration application, dynamic construction, scheduling