Mobile virtual private networks with dynamic MIP home agent assignment

Jyh-Cheng Chen*, Yi Wen Liu, Li Wei Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

This paper presents the dynamic external Home Agent (x-HA) assignment in mobile Virtual Private Networks (VPNs). The proposed architecture is based on the mobile VPN proposed by the IETF, which adopts Mobile IP and IPsec. The IETF solution, however, leads to two questions: where should we put the x-HA and how should we trust the x-HA? We propose to assign the x-HA dynamically so the handoff latency and end-to-end latency could be reduced significantly. By using Diameter Mobile IPv4 application, we also propose a technique such that the x-HA can be associated with the VPN securely. In addition, the registrations with x-HA and internal HA (i-HA) are concurrently accomplished. The proposed technique has been implemented in a mobile VPN testbed. Performance analysis based on empirical experiments is discussed.

Original languageEnglish
Pages (from-to)601-616
Number of pages16
JournalWireless Communications and Mobile Computing
Volume6
Issue number5
DOIs
StatePublished - 1 Aug 2006

Keywords

  • AAA
  • Dynamic HA assignment
  • IPsec
  • Mobile IP
  • Mobility
  • Security
  • VPN
  • Wireless networks

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