The tentative and early binding update for mobile IPv6 fast handover

  • Authors:
  • Seonggeun Ryu;Youngsong Mun

  • Affiliations:
  • School of Computing, Soongsil University, Seoul, Korea;School of Computing, Soongsil University, Seoul, Korea

  • Venue:
  • MSN'05 Proceedings of the First international conference on Mobile Ad-hoc and Sensor Networks
  • Year:
  • 2005

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Abstract

In Mobile IPv6, a handover latency is an important issue. To reduce the handover latency, mipshop working group in IETF has studied the fast handover (FMIPv6) which creates and verifies a new care-of address (NCoA) in advance before a layer 2 handover resulting in reduced handover latency. Even in FMIPv6, the NCoA must be registered in a home agent (HA). This registration still creates a significant amount of delay. To reduce registration latency, we propose a tentative and early binding update (TEBU) scheme that the NCoA is registered in the HA in advance during the layer 2 handover based on FMIPv6. We use cost analysis for the performance evaluation. As a result, we found that the TEBU scheme guarantees lower handover latency than FMIPv6 as much as 21%.