Efficient buffering scheme in the LMA for seamless handover in PMIPv6

Kwang Ryoul Kim, Hyo Beom Lee, Hyon Young Choi, Sung-Gi Min, Youn Hee Han

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Proxy Mobile IPv6 (PMIPv6) is proposed as a new network-based local mobility protocol which does not involve the Mobile Node (MN) in mobility management. PMIPv6, which uses link-layer attachment information, reduces the movement detection time and eliminates duplicate address detection procedures in order to provide faster handover than Mobile IPv6 (MIPv6). To eliminate packet loss during the handover period, the Local Mobility Anchor (LMA) buffering scheme is proposed. In this scheme, the LMA buffers lost packets of the Mobile Access Gateway (MAG) and the MN during the handover and recovers them after handover. A new Automatic Repeat reQuest (ARQ) handler is defined which efficiently manages the LMA buffer. The ARQ handler relays ARQ result between the MAG and the MN to the LMA. The LMA removes any buffered packets which have been successfully delivered to the MN. The ARQ handler recovers the packet loss during the handover using buffered packets in the LMA. The ARQ information, between the MAG and LMA, is inserted in the outer header of IP-in-IP encapsulated packets of a standard PMIPv6 tunnel. Since the proposed scheme simply adds information to the standard operation of an IP-in-IP tunnel between the LMA and the MAG, it can be implemented seamlessly without modification to the original PMIPv6 messages and signaling sequence. Unlike other Fast Handovers for Mobile IPv6 (FMIPv6) based enhancement for PMIPv6, the proposed scheme does not require any handover related information before the actual handover.

Original languageEnglish
Pages (from-to)382-391
Number of pages10
JournalIEICE Transactions on Communications
VolumeE95-B
Issue number2
DOIs
Publication statusPublished - 2012 Feb 1

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Anchors
Packet loss
Tunnels

Keywords

  • Mobile IPv6
  • Mobility management
  • Proxy mobile IPv6

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Software

Cite this

Efficient buffering scheme in the LMA for seamless handover in PMIPv6. / Kim, Kwang Ryoul; Lee, Hyo Beom; Choi, Hyon Young; Min, Sung-Gi; Han, Youn Hee.

In: IEICE Transactions on Communications, Vol. E95-B, No. 2, 01.02.2012, p. 382-391.

Research output: Contribution to journalArticle

Kim, Kwang Ryoul ; Lee, Hyo Beom ; Choi, Hyon Young ; Min, Sung-Gi ; Han, Youn Hee. / Efficient buffering scheme in the LMA for seamless handover in PMIPv6. In: IEICE Transactions on Communications. 2012 ; Vol. E95-B, No. 2. pp. 382-391.
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