Analysis of Fast Handover Mechanisms for Hierarchical Mobile IPv6 Network Mobility

  • Authors:
  • Sang-Jo Yoo;Seung-Joon Choi;Dong Su

  • Affiliations:
  • The Graduate School of Information Technology and Telecommunications, Inha University, Incheon, Korea 402-751;The Graduate School of Information Technology and Telecommunications, Inha University, Incheon, Korea 402-751;The Graduate School of Information Technology and Telecommunications, Inha University, Incheon, Korea 402-751

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2009

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Abstract

When a mobile network dynamically changes its point of attachment to the Internet, the various types of movements by a mobile router require handovers, and network mobility (NEMO) is concerned with the management of this movement of mobile networks. Accordingly, this paper investigates the mobile router movement patterns in NEMO network environments, and defines fast hierarchical NEMO handover scenarios based on classified movement patterns. Due to unexpected link breakdowns during the handover procedure, the NEMO handover requires additional latency and packet delivery costs depending on when the breaks occur. For the various handover failure cases, it is also essential to analyze these overhead costs to evaluate and compare the performance of a fast handover. In this paper, the overheads associated with a NEMO fast handover include the latency, buffering cost, and packet loss cost, all of which are formulated based on a timing diagram.