Intelligent transportation system (ITS) is a new informationization, intelligent, and socialization type of modern traffic system. Development of cloud computing technology will bring new space of development for the development Of ITS, and the combination will be the future development trend. The paper discusses the application of cloud computing technology in the field of intelligent traffic, puts forward ITS platform based on cloud computing in order to solve problems that how to share mass traffic information.

the cloud computing has the potential of becoming a revolutionary technology that changes the way service computing is performed. This paper presents a new Extensible Model and Architecture for United Cloud Computing, This model explicitly addresses the limited scalability of a single-provider cloud, the lack of interoperability among cloud providers, and the lack of built-in Business Service Management support in current cloud offerings. The principles introduced in this paper are essential for the cloud computing vision to materialize to its full extent.

the face to global integration, highly integrated, highly competitive era, talent and technology has become the focus of competition, IT enterprises are so in particular. Establishing and improving an incentive mechanism is to stimulate enterprise IT staff enthusiasm for work, give full play to the creativity of employees, retaining a healthy sustainable development, making it an important way and there must be the road. This paper presents some effective approachs to solve these issues.