Study and Application of the SOA Based E-government System

After yearspsila development, the E-Government process in China has achieved great process. As the E-services are developed by different companies with different purposes and different development platform, there comes the complexity and inefficiency in information sharing and data communication, says ldquoInformation Silosrdquo. As a result, itpsilas necessary for us to integrate the existing systems to make the best use of the information resources and legacy system. However, the traditional peer-to-peer integration will result in a tightly coupled system which will reduce the agility and expansibility of the E-Government system. This essay claims a good way of system integration using the Web Service based SOA to reuse and better use the legacy system.