由于其拓扑的动态性，其路由协议与其他传统网络有很大的区别。
Because its topology is dynamic, its routing protocol is different from other networks.
无线信道变化的不规则性、节点的移动、加入、退出等都会引起网络拓扑结构的动态变化。
Channel changes in the irregular nature of the mobile node, adding or withdrawal from the network topology can also lead to other changes.
网格需要解决网络的异构性、动态性和伸缩性等问题，尤其是网格服务的部署；而网格服务部署的关键是网络拓扑。
It is necessary for grid to deal with heterogeneity, dynamics and scalability, specially in grid service deployment; and the key of the grid service deployment is network topology.
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