By this way, all packets from the upstream node with the same label will be transmitted in same route according to the entry of the forwarding table.
以后所有从上游节点传送来相同传入标签的数据包都会按照表中的条目的路径来转发。
The routing protocol will build and maintain the route table for the sensor nodes in the sensor network. For the sensor node, the route table is used for forwarding the packets.
随着无线传感器网络的推广应用，多监测任务条件下的灾害实时预警应用对路由协议提出了新的挑战。
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