Proactive DAD: A fast address-acquisition strategy for mobile IPv6 networks

Chien-Chao Tseng*, Yung Chang Wong, Li-Hsing Yen, Kai Cheng Hsu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


The increasing number of Wi-Fi-compatible mobile devices highlights various wireless access challenges, including the need for smooth hand offs between Internet attachment points in mobile IPv6 networks. To confirm address uniqueness in a new domain, mobile nodes must run duplicate address detection (DAD), which is a time-consuming process. The Proactive DAD approach uses topology information and layer-2 signals to predict the new network domains prior to or in parallel with layer-3 hand offs. Experimental results show that P-DADcan significantly reduce both hand-off latency and packet loss.

Original languageEnglish
Pages (from-to)50-55
Number of pages6
JournalIEEE Internet Computing
Issue number6
StatePublished - 1 Nov 2006


  • Address acquisition
  • DAD
  • Fast handoff
  • IPv6


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