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Leveraging Software-Defined Wireless Network (SDWN) by Locator/Identifier Split Scheme for Mobility Management

Eunil Seo 1, Vyacheslav Zalyubovskiy 2, and Tai-Myoung Chung2
1. Dept. of Electrical and Computer Engineering, SungKyunKwan University, Suwon, Korea
2. College of software, SungKyunKwan University, Suwon, Korea
Abstract—To provide the improved Mobility Management (MM) of Software-Defined Mobile Networks (SDWN), the double separation approach is applied to SDWN. A Locator/Identifier split scheme is embedded in the Software-Defined Wireless Network (SDWN), which decouples the control plane and the data plane, while a Locator/Identifier split scheme splits the locator from the identifier (e.g., Location/ID Separation Protocol (LISP)). The major contribution of the research is that 1) the LISP functions of the Ingress/Egress Tunneling Router (xTR) do not require modification at all when xTRs are deployed in SDWN in order to enhance the SDWN as the LISP-SDWN and 2) the interoperability with other standard LISP sites are supported for routing scalability. The existing SDWN is based on the current IP address scheme requiring an extra overhead of location management that causes performance degradation. In order to improve the overhead of location management, the LISP-SDWN Controller is introduced as a centralized LISP management system dealing with the dynamic movement of MNs. The performance evaluation is carried out with the MIPv6, LISP, LISP Controller and LISP-SDWN in terms of the operational cost, and it shows that the proposed LISP-SDWN is the feasible and efficient solution for the SDWN providers.
 
Index Terms—SDWN, LISP, Mobility Management, SDN, wireless mobile network and locator/identifier split

Cite: Eunil Seo, Vyacheslav Zalyubovskiy, and Tai-Myoung Chung, "Leveraging Software-Defined Wireless Network (SDWN) by Locator/Identifier Split Scheme for Mobility Management," Journal of Communications, vol. 12, no. 8, pp. 464-474, 2017. Doi: 10.12720/jcm.12.8.464-474.
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