E2-IP Mobility

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Mobile Network mobility
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Building .... Networks

⌘ E2-IP Mobility

Main components

  • Home Agent (HA)
  • Foreign Agent (FA)

⌘ Macro versus Micro Mobility


⌘ Mobile IP Mobility

Mobile IP Mobility Mobile IP – the long term vision (also for mobile networks)

  • HA, FA
  • IPv6
  • real-time requirements?

Mobile-IP developments

  • IDMP - intra-domain mobility protocoll
  • Hawaii
  • Cellular IP, Cellular IPv6 (CIPv6)
  • Hierarchical Mobile IPv6 (HMIPv6)
  • Fast Mobile IPv6

⌘ Mobile IPv4 Triangular routing

Mobile IP Mobility

  • Correspondent does not know IP address of "moved" device, thus sends a request to the HA
  • HA forwards to the moved device via Foreign Agent (FA)
  • Moved device answers directly to the Correspondent

⌘ Mobile IPv4 to Mobile IPv6

  • replace triangular routing, keep address
  • route optimisation
  • defined for low-speed mobility

Intra-domain mobility

  • Host based routing
  • Data integrity protection,


  • Sender authentication,
  • Data integrity protection,
  • Replay protection

⌘ Heterogeneous network mobility

Heterogeneous Network mobility

  • combines IP and mobile components
  • challenge: credential distribution

⌘ References

  • [Ala2000] Sami Ala-Luukko, "Mobility Management in IETF and GPRS Specifications", May 2000, Helsinki University

of Technology, http://www.tml.tkk.fi/Opinnot/Tik-110.551/2000/papers/management_in_IETF/iwork.htm % introductory reading micro-/macro-mobility

  • [Paint2000] Frederic Paint, Geir Egeland, "Seamless Mobility in IP Networks", Telektronikk 1.2001, pp 083-091 % introductory reading
  • [Akyildiz2004] Ian F. Akylidiz, Jiang Xie, and Shantidev Mohanty, "A survey of Mobility management in Next-Generation all-IP based wireless systems", IEEE Wireless Communications, Aug 2004, pp 16-28
  • [Ferreira2008] Ferreira, N.G.; Sargento, S.; Aguiar, R.; Implementation and experimental evaluation of a fast local mobility protocol, Computers and Communications, 2008. ISCC 2008. IEEE Symposium on 6-9 July 2008 Page(s):757 - 763
  • [Lee2008] Global Mobility Management Scheme with Interworking between PMIPv6 and MIPv6, Networking and Communications, 2008. WIMOB '08. IEEE International Conference on Wireless and Mobile Computing, 12-14 Oct. 2008 Page(s):153 - 158
  • [Aho2008] Aho, K.; Aijanen, J.; Ristaniemi, T.; Impact of Mobility to the VoIP over HSUPA System Level Performance, Vehicular Technology Conference, 2008. VTC Spring 2008. IEEE 11-14 May 2008 Page(s):2091 - 2095