基于从该位置管理方案获取的全网拓扑信息，采用启发式搜索算法实现最优地理路由。
Based on the whole network topology information obtained by the K-hops clustering location management scheme, it adopts a heuristic search algorithm to realize optimal geo-routing.
通过简单的功能测试，显示出协议在网络物理拓扑变化的情况下仍能维护全网的时间窗口。
The test shows that it can maintain time window for the whole network while physical topology is changing.
子网物理网络拓扑发现模块和全网物理网络拓扑获取模块。
The device comprises a subnet physical network topology discovery module and a total physical network topology obtaining module.
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