Hybrid Centralized-Distributed Mobility Management Scheme in SDN-Based LTE/EPC Networks 


Vol. 42,  No. 4, pp. 768-779, Apr.  2017


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  Abstract

Recently, the great number of mobile devices causes excessive data/control traffic problems in the centralized LTE/EPC network and such dramatically increased traffic is emerging as a critical issue. In the Centralized Mobility Management (CMM) based LTE/EPC network, the Packet Data Network Gateway (P-GW) plays the centralized mobility anchor role and it accommodates most of data traffic. To solve this problem, the IETF has proposed the Distributed Mobility Management (DMM) scheme, but it has only focused on the data traffic load balancing and could not solve the control traffic overload problem. In this paper, therefore, we propose a new SDN based hybrid CMM/DMM Mobility Management (C-DMM) architecture based on Packet Network Edge Gateway (P-EGW), and introduce a selection scheme between CMM and DMM according to a device’s mobility and the number of PDN connections. In order to prove the efficiency of the proposed architecture and scheme, we compare the data traffic processing load and the control traffic processing load over each scheme by emulating them in the ONOS controller and the Mininet environment.

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  Cite this article

[IEEE Style]

H. Lim, Y. Kim, Y. Han, "Hybrid Centralized-Distributed Mobility Management Scheme in SDN-Based LTE/EPC Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 4, pp. 768-779, 2017. DOI: .

[ACM Style]

Hyun-Kyo Lim, Yong-hwan Kim, and Youn-Hee Han. 2017. Hybrid Centralized-Distributed Mobility Management Scheme in SDN-Based LTE/EPC Networks. The Journal of Korean Institute of Communications and Information Sciences, 42, 4, (2017), 768-779. DOI: .

[KICS Style]

Hyun-Kyo Lim, Yong-hwan Kim, Youn-Hee Han, "Hybrid Centralized-Distributed Mobility Management Scheme in SDN-Based LTE/EPC Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 4, pp. 768-779, 4. 2017.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880