Journal of Digital Contents Society (디지털콘텐츠학회 논문지)

Digital Contents Society (한국디지털콘텐츠학회)
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A Per-User-based Enhanced Distributed Mobility Management Scheme in PMIPv6 Networks

PMIPv6 네트워크에서 사용자 기반의 향상된 분산형 이동성 관리 기법

  • Kong, Ki-Sik (Namseoul University, Department of Multimedia)
  • Received : 2015.10.02
  • Accepted : 2016.06.10
  • Published : 2016.06.30
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Abstract

Proxy mobile IPv6 (PMIPv6), which is a centralized mobility management protocol, are dependent on a local mobility anchor (LMA) to process all control and data traffics. Therefore, it has serious problems such as the tremendous traffic concentration into the core network and the triangle routing. In this paper, therefore, in order to alleviate these drawbacks, we propose a PMIPv6-based enhanced distributed mobility management scheme considering a user's traffic locality. Performance evaluation results indicate that in most cases, except for when a user's mobility rate is relatively very higher than the traffic rate, the proposed scheme shows better performance result than that of PMIPv6. Besides, it is demonstrated that the proposed scheme can be an effective alternative that can distribute the significant loads on the LMA of the core networks to the MAGs of the edge networks.

중앙 집중형 이동성 관리 프로토콜인 PMIPv6은 모든 제어 트래픽과 데이터 트래픽을 함께 처리하는 local mobility anchor (LMA)에 전적으로 기반하여 동작하기 때문에 코어망으로의 방대한 트래픽 집중 현상 및 삼각 라우팅(triangle routing) 등의 심각한 문제점을 안고 있다. 따라서, 본 논문에서는 이러한 문제점들을 완화시키고자, 이동 사용자별 traffic locality를 고려한 PMIPv6 기반의 향상된 분산형 이동성 관리 기법을 제안한다. 성능 분석 결과, 이동 사용자가 거의 통신없이 상대적으로 이동성만 매우 큰 특수한 경우를 제외한 대부분의 경우에 있어, 제안 기법이 PMIPv6보다 매우 우수한 성능을 보임을 입증하였으며, 병목현상에 빠지기 쉬운 코어망의 LMA의 부하를 에지망의 mobile access gateway (MAG)들로 분산시킬 수 있는 효과적인 대안이 될 수 있음을 확인하였다.

Keywords

References

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