DOI QR코드

DOI QR Code

SDN-based Hybrid Distributed Mobility Management

  • Wie, Sunghong (Department of Electricity and Electronic Engineering, The Cyber University of Korea)
  • 투고 : 2019.02.14
  • 심사 : 2019.05.03
  • 발행 : 2019.06.30

초록

Distributed mobility management (DMM) does not use a centralized device. Its mobility functions are distributed among routers; therefore, the mobility services are not limited to the performance and reliability of specific mobility management equipment. The DMM scheme has been studied as a partially distributed architecture, which distributes only a packet delivery domain in combination with the software defined network (SDN) technology that separates the packet delivery and control areas. Particularly, a separated control area is advantageous in introducing a new service, thereby optimizing the network by recognizing the entire network situation and taking an optimal decision. The SDN-based mobility management scheme is studied as a method to optimize the packet delivery path whenever a mobile node moves; however, it results in excessive signaling processing cost. To reduce the high signaling cost, we propose a hybrid distributed mobility management method and analyze its performance mathematically.

키워드

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Fig. 1. Mobility management operation based PMIPv6.

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Fig. 2. SDN architecture.

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Fig. 3. Initial registration procedure.

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Fig. 4. Handover procedure.

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Fig. 5. Signaling cost according to the total arrival rate.

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Fig. 6. Packet delivery cost according to the total arrival rate.

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Fig. 7. Signaling cost according to MN’s moving speed.

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Fig. 8. Signaling cost according to the session duration of group 1.

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Fig. 9. Signaling cost according to the session duration of group 2.

Table 1. Parameters used for performance analysis.

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참고문헌

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