A Multi-Hop Grouping Scheme for Assisting Handoff Procedure in Vehicular Networks

The duplicate address detection (DAD) has been a time-costly and a bottleneck in IP address configuration. The dynamic host configuration protocol (DHCP) was proposed and adopted to effectively assign unique address to a host. However, DHCP is not suitable for networks with a large number of nodes, and address renumbering under DHCP would be much more complicated than that under stateless auto-configuration. In vehicular networks, moving vehicles get connected to the Internet through the access point set up by the road. The handoff operation is supposed to happen frequently due to the fast moving of vehicles. Therefore, the performance of handoff becomes one of the most important issues to maintain seamlessly connection to the Internet in vehicular environment. In this paper, we propose a multi-hop group assisted handoff algorithm to effectively reduce handoff latency for avoiding the impact of time-consuming from IP configuration operation.

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