According to the type of resource, grid resource is divided into several trusted domains and is organized and managed by each domainagent.
模型将网格资源按类型划分为多个可信资源域，每个域的网格资源由一个域代理负责组织管理。
2
The scheme also defines a user database system organized by hierarchical domains of SIP address, and a domainagent managing mobile nodes in subnetwork.
In the new model, each node saves the trust value of node that is higher than the trust threshold of itself, and the trust data of all nodes in this domain are saved by intra-domainagent.