方案中还提出了以SIP地址域的分级方式进行组织管理的用户数据库系统，定义了为子网中移动终端服务的区域代理。
The scheme also defines a user database system organized by hierarchical domains of SIP address, and a domain agent managing mobile nodes in subnetwork.
运用多代理技术，实现区域制造资源的集成，并构建了集成区域制造资源的数据库管理系统。
Multi-Agent System(MAS) technology was applied to realize integration of regional manufacturing resources and to construct the corresponding Database Management System(DBMS).
应用推荐