The network-based mobility management is adapted to the OpenFlow architecture for mobility service at Software Defined\nNetworking (SDN), and data structure for mobility service is proposed. SDN is a newly proposed Internet architecture which\ndecouples the data and control planes, and mobility management is one of the most important issues in SDN. In order to provide\nmobilitymanagement service by utilizing the mobility scheme proposed earlier in a newnetwork environment, the existing mobility\nschemes need to be modified. Particularly, the characters of the network environment need to be considered when designing the\nfunction of the network entities and data structure. Our proposed mobility management scheme is focused on the centralized\ncontrolmechanism of SDN.We referred to ProxyMobile IPv6 (PMIPv6) andOpenFlow-based PMIPv6 with a centralized mobility\nmanagement controller (OPMIPv6-C). It has a merged data structure for the mobility service on SDN controller and minimizes\nthe number of switches which need flow table modification at handover. At the performance analysis chapter, we compare the\nsignaling cost at the registration and handover phase, packet delivery cost, and handover latency between the proposed scheme\nand OPMIPv6-C.
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