不论移动节点位于家乡网络还是外地网络，它都可以使用家乡地址和其他节点相互通讯，这样传输层和更高层的连接不会被打断。
A mobile node can always communicate with other nodes via its home address whether it is on its home link or foreign link, and the connections of transport layer and higher layer will not be broken.
不论移动节点位于家乡网络还是外地网络，它都可以使用家乡地址和其他节点相互通讯，这样传输层和更高层的连接不会被打断。
A mobile node can always communicate with other nodes via its home address whether it is on its home link or foreign link, and the connections of transport layer and higher layer will not be broken.
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