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中文摘要：
提出了一种基于IPv6的城市车载网移动切换协议。本协议提出了城市车载网络体系结构，车辆节点在移动过程中由家乡地址唯一标志，无须转交地址，因此节省了转交地址配置时间和代价，从而缩短了移动切换时间，降低了移动切换代价。车辆节点无须参与移动切换过程，从而避免了由于车辆节点高速行驶引起丢包而增加移动切换代价和延迟的情况。仿真数据结果表明该方案的性能更好。
英文摘要：
This paper proposed a mobile protocol for IPv6-based urban vehicular networks. The protocol created the urban ve- hicular network architecture. In the protocol, when a vehicle joint an urban vehicular network, it acquired its home address. During the mobility process, a vehicle was always identified by its home address and did not need to be configured with a care- of address, so the care-of address configuration cost and delay were avoided. As a result, it reduced the mobility handover cost and delay. The protocol did not involve a vehicle in the mobility handover process, so it avoided the extra mobility handover cost and delay caused by the packet loss due to a vehicle＇ s high speed. The simulation data show that the protocol has better performance.
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