Journal of Internet Computing and Services (인터넷정보학회논문지)

Korean Society for Internet Information (한국인터넷정보학회)
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Cost Analysis of Mobility Management Schemes for IP-based Next Generation Mobile Networks

IP기반의 차세대 모바일 네트워크에서 이동성관리 기법의 비용분석

  • 김경태 (성균관대학교 정보통신대학원 컴퓨터공학과) ;
  • 정종필 (성균관대학교 정보통신공학부)
  • Received : 2011.12.27
  • Accepted : 2012.04.24
  • Published : 2012.06.30
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Abstract

Cost-effective mobility management for the roaming mobile users is very important in the seamless services on next-generation wireless network (NGWN). MIPv6 (Mobile IPv6) is one of the mobility management schemes proposed by the IETF (The Internet Engineering Task Force) and various IPv6-based mobility management schemes have been developed. They are directly involved with data transfer from MN (Mobile Node). In this paper, two kinds of schemes in analyzing of mobility management schemes are proposed. The signaling transfer and packet delivery procedures for each mobility management schemes are analyzed, respectively. The signaling cost for mobility management schemes are calculated, and the cost of each protocol are analyzed numerically. In other word, applying the sum of signaling cost and packet delivery cost to each mobility management scheme, their costs are analyzed. Finally, our performance evaluation results that the network-based mobility management scheme shows better performance in terms of overall cost.

차세대 무선 네트워크(Next Generation Wireless Networks, NGWN)상에서의 무결점 전송 서비스는 이동단말(MN, Mobile Node)에게 광범위한 로밍을 효율적으로 제공하는 이동성관리가 매우 중요하게 되었다. MIPv6(Mobility IPv6)는 IETF(The Internet Engineering Task Force)에 의해 제안된 이동성관리 기법들 중 하나이고, IPv6기반에서 이동성관리 기법들은 다양한 형태로 발전되어왔다. 각각의 관리기법들은 이동단말에서의 데이터 이동에 직접적인 관여를 하고 있다. 이 논문에서 두 가지의 이동성관리 평가기법에 대해 제안하고자 한다. 이동성관리를 위한 다양한 프로토콜에서 네트워크상의 핸드오버나 패킷의 전송절차를 수행할 때, 데이터의 전송절차에 대하여 분석하며 또 시그널링의 비용을 계산할 때 처리하는 노드들과 그 노드간의 파라미터들을 이용하여 가장 효율적인 방법으로 분석모델링을 제안한다. 이동성 프로토콜의 시그널링 비용과 그 비용을 구성하는 각각의 파라미터들을 수치적 결과를 통해서 각각의 프로토콜들의 비용을 비교분석한다. 즉, 각각의 이동성관리 기법에 적용하여 시그널링 비용과 패킷전송 비용의 합을 비교한다. 이동성 관리의 다양한 기법들 중 가장 최근에 제안되어지고 있는 네트워크 기반의 이동성 프로토콜이 전체적인 비용측면에서 더 우수한 결과를 보여준다.

Keywords

References

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