| With the rapidly development of modern information technologies, SMEs(small and medium enterprises) are opting to adopt the information technologies to promote their core competitiveness with the advantage of economy, openness, autonomy and convenience. The traditional implementation of SEMs information platform usually realized by the enterprise independently while the government or server institutions only collected the information. With the continued expansion of the SMEs business needs, the trend of changing and sharing large scale of data and information was showing in SEMs. The traditional organizational structure can’t meet the SMEs requirements. To build a unify information services for SMEs helps solve these problems. The information in the organizational structure and access balance of the entire platform are the fundamental key issues.The works and research in this paper are as follows:Firstly, on the basis of comprehensive analysis of business requirements and related technologies, the architecture of the SEMs information service platform which has the advantages of loosely coupled and easy to extend based on cloud storage technology is given. The architecture includes some basic services and some basic application support system. In this paper, we design the system module and database for the service and basic application to guide the system development.Secondly, this paper research on issues of mass data storage and access balance based on the storage virtualization technology, and a heuristic algorithm of choosing a query plan for the query set is provided to implement entire system’s access balance and increase system’s storage availability.Finally, we integrate the authentication and authorization of the information distributing platform, data storage module and other system. Users can achieve seamless switch between multi-application system whose reliability is highly promoted by using the PKI,CA technologies. |
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