There is considered the interaction of information systems of organizations with a general registration database (GRDB) citizens, located on the Internet. It is offered a service-oriented architecture (SOA) for information systems of organizations, enabling them to reduce the time and cost of developing its information system, improve its scalability, improve manageability and reduce costs to maintain and develop its system. The basic Web-services at GRDB - copying and synchronization of registration data to the local database on the basis of actual data GRDB are described. The paper contains the business logic of the services. Creating SOA as a virtual cloud of registration data for the contingent of organizations is proposed.
registration, database, service-oriented architecture, SOA