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Profiling problem Care of Address: Can use privacy extensions to IPv6 (RFC 3041) Could introduce additional Mobile IPv6 signaling Home Address: Using RFC 3041 addresses introduces DNS and IPsec considerations: DNS: DNS update Mobility Option in BU Frequent updates (more than static HoA, and dynamic HoA) DNS TTL has to be small IPsec: Since the MN – HA SA is keyed on HoA, frequent re-keying is necessary Uses HoA as phase 2 identity (IKEv1) or Traffic-Selector-initiator (IKEv2) |