Research on IPv6 mobility management mechanism based on SDN

international conference on computer vision(2021)

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摘要
The idea of SDN provides a new way to solve the problems faced by mobility management of network layer in traditional networks. However, the existing mobility management schemes in SDN still face problems such as large network overhead and prolonged switching time in the process of user mobility. In this paper, the mobility management mechanism of network layer supporting IPv6 in SDN is studied. Firstly, by analyzing and designing two key technologies of mobility awareness and mobility handover, and combining with the position prediction theory, an IPv6 mobility management mechanism supporting pre-handover in SDN is proposed. Secondly, according to the result of position prediction, this mechanism calculates and issues the switching path runoff table before the movement, which reduces the signaling overhead and switching delay of the mobile node in the process of movement. Finally, according to the performance evaluation and analysis method, the signaling cost and switching delay of OPMIPv6-C scheme which is also implemented based on SDN are compared.
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关键词
ipv6 mobility management mechanism,sdn
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