The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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MIPv4/MIPv6 Mobility Simulation Model of the Multihomed Node

멀티홈드 노드의 MIPv4/MIPv6 이동성 시뮬레이션 모델

  • 장효뢰 (공주대학교 대학원 정보통신공학과) ;
  • 왕야 (공주대학교 대학원 정보통신공학과) ;
  • 기장근 (공주대학교 전기전자제어공학부) ;
  • 이규대 (공주대학교 정보통신공학부)
  • Received : 2012.05.01
  • Accepted : 2012.06.18
  • Published : 2012.06.30
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Abstract

Nowadays, the multihomed host equipped with multiple network interfaces has been interested research in next generation wireless network, because the mobile users expect that they can be able to access services not only anywhere, at any time and from any network but also simultaneously. This paper addresses the mobility simulation model of the multihomed node for supporting MIPv4 and MIPv6 function in an interworking of Worldwide Interoperability for Microwave Access (WiMAX) and IEEE 802.11 WLAN. The multihomed node with two air interfaces has been developed based on WiMAX and WLAN workstation node model in simulation software. The main point of the developed model is to support both MIPv4 and MIPv6 function, and provide network selection policy for the multihomed node between WiMAX and WLAN network. Based on the received Router Advertisement along with the interface number, we can manage the access interfaces in ordered list to make handover decision while the multihomed node is moving. In the end of this paper, the simulation scenarios and results are shown for testing MIPv4 and MIPv6 function.

차세대 무선망에서는 이동 사용자들이 언제 어디서나 원하는 임의의 망을 통해 서비스를 제공받을 것을 기대하기 때문에 복수개의 망 인터페이스를 장착한 멀티홈드 호스트에 관한 연구가 최근 활발히 진행되고 있다. 본 논문에서는 802.16e WiMAX 망과 IEEE 802.11 WLAN 망에서 MIPv4 뿐만 아니라 MIPv6 기능도 지원하는 멀티홈드 노드의 이동성 지원 시뮬레이션 모델을 개발하였다. 개발된 모델은 Mobile IP 기능과 함께 핸드오버 발생시 망 선택전략에 따라 디폴트 액세스 망을 선택할 수 있는 기능을 제공한다. 이러한 망 선택 기능은 노드의 이동시 수신되는 RA(Router Advertisement) 메시지와 이를 수신하는 인터페이스 정보를 인터페이스 종류에 따른 순서 리스트로 관리함으로써 이루어진다. 개발된 모델의 동작을 검증하기 위해 다양한 시뮬레이션 시나리오에 적용하였으며, 분석 결과를 제시하였다.

Keywords

References

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