@G )âlä,î]HRtð|'M Eb9W切换延时，实时通信 [gap=1648]Key words: Mobile IP, handoff, handoff-latency, real-time communication
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Owing to the implementation of smooth handoff, handoff latency is cut down more than 50%.
由于平滑切换机制的实现，通信切换时延降低了50%以上。
There are large handoff latency and the packet being easier to lose on mobile IP handoff.
移动IP切换存在切换延迟大，数据包易丢失的问题。
The link layer inspection method removes the latency of movement detection and the method of link layer handoff prediction can trigger network layer handoff before link layer handoff.
链路层监测触发方法省去了切换中移动检测时间，预测链路层切换方法将网络层切换提前于链路层切换进行。
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