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Cost-effective handoff scheme based on mobility-aware dual pointer forwarding in proxy mobile IPv6 networks.

Seungsik Son1, Jongpil Jeong1

  • 1College of Information and Communication Engineering, Sungkyunkwan University, Suwon, Republic of Korea.

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|February 21, 2014
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Summary

This study introduces a mobility-aware Dual Pointer Forwarding scheme (mDPF) for Proxy Mobile IPv6 (PMIPv6) networks. The mDPF scheme effectively reduces signaling overhead during mobile node handoffs, improving overall network efficiency.

Keywords:
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Area of Science:

  • Computer Science
  • Networking
  • Mobile Computing

Background:

  • Proxy Mobile IPv6 (PMIPv6) networks face challenges with signaling overhead during Mobile Node (MN) handoffs.
  • Existing pointer forwarding schemes can be inefficient in managing mobility events.
  • The distinction between intra-domain and inter-domain handoffs requires optimized handling.

Purpose of the Study:

  • To introduce and evaluate a mobility-aware Dual Pointer Forwarding scheme (mDPF) within PMIPv6 networks.
  • To reduce the signaling overhead associated with both intra-domain and inter-domain handoffs.
  • To enhance route optimization and decrease packet delivery costs.

Main Methods:

  • Application of the mobility-aware Dual Pointer Forwarding (mDPF) scheme in PMIPv6.
  • Classification of Mobile Node (MN) movement into intra-domain and inter-domain handoffs.
  • Analysis of binding update and packet delivery costs using a mathematical analytic model.

Main Results:

  • The mDPF scheme effectively reduces signaling overhead for both intra- and inter-domain handoffs.
  • Mobility-aware binding updates between previously attached (pMAG) and newly attached (nMAG) gateways, and previously attached (pLMA) and newly attached (nLMA) anchors minimize overhead.
  • Analytical results demonstrate that mDPF outperforms standard PMIPv6 and other pointer forwarding schemes.

Conclusions:

  • The proposed mDPF scheme offers a significant improvement in reducing total signaling costs in PMIPv6 networks.
  • By being aware of mobility levels during handoffs, mDPF optimizes packet delivery and signaling.
  • mDPF presents a more efficient solution for managing mobility in IP networks compared to existing methods.