Ipv6-based Ad Hoc Network Routing And Access Technology Research

With the rapid development of the next Internet, IPv6 certainly will replace IPv4 and be more and more exerted in many various wired and wireless networks. At the same time, mobile Ad Hoc network, this is a self-organization, self-management and without basic establishment, has many advantages. It increasingly valued in domestic and international environment, so it becomes the part and parcel in the next network. Therefore, the Ad Hoc network technologies that based on IPv6, such as the routing technology and the Internet access technology, have brightly future. In this paper, we just follow the opinion as adove. The purpose is that: try to apply the IPv6 technology in the mobile Ad Hoc network.In this paper, firstly, we research the Ad Hoc network. We research its characteristics, requirement, system and routing. We compare different routing protocols. Secondly, we introduce some exsit access technologies. Whereafter, we research the IPv6 technology and expound the advantages. We pay much attention to unite of the two techniques. We research the AODV6 (Ad Hoc On-demand Distance Vector for IP Version 6) routing protocol and compare with traditional Ad Hoc On-demand Distance Vector routing protocol. We analyze the address problem through the simulation. Thridly, we notice the IPv6 technology, then, we research the issue that how the Ad Hoc network, which based on IPv6, accesses to Internet. In this paper, in order to achieve the communication between the Ad Hoc node and the Internet host, we combining the mobile IPv6 and the AODV routing protocol and using reactive gateway discovery arithmetic.After designing and realizing protocols above, we use software OPNET (Optimization Performance Network Engineer Tool) to establish simulation scene that based on IPv6 and design some modules as follow: the Internet-MANET Gateway module, the Internet Router module, the Internet Terminal module. We achieve the combination of the AODV routing protocol and IPv6. We also accomplish the intercommunication between the wireless mobile Ad Hoc network and the wired network. Then, through simulation, we test and analyse the results. By the simulation results, it has some useful conclusione.Finally, we not only summarize our work, but also propose improvement and research direction.