Abstract:

Since the mid-1980s, China began to carry out the construction of government information, and the government information system has developed rapidly.It has played an important role in economic regulation, market supervision, social management and public services, and achieved remarkable results.Under the background of “one network for all”, a new architecture mode based on cloud computing and PaaS platform was put forward, and the horizontal expansion of chimney system by decoupling the relationship between hardware resources, database and middleware was discussed, so as to improve the operation efficiency of government data center and reduce the construction cost of government data center.In addition, through the integration of government information system and the construction of capacity opening how to break the constraints of “system chimney” and “data island” was discussed, the collaborative business ability and intelligent service ability of government were improved.

Key words: government information system, one network for all, PaaS platform