8

Relationship with IPsec

Mobile Internet Protocol version 6 (IPv6) uses the IPsec mechanism to protect the Mobile IPv6 signaling messages. The specifications on how to protect messages are defined in [RFC3776].

The messages directly exchanged between a mobile node and a home agent are protected by the IPsec transport mode mechanism. The Binding Update and Binding Acknowledgment messages must be protected by the IPsec ESP or AH. The Mobile Prefix Solicitation and Advertisement messages should be protected by the IPsec mechanism.

The messages exchanged between a mobile node and a correspondent node, and relayed by the home agent, are protected by the IPsec tunnel mode mechanism. The Home Test Init and Home Test messages must be protected by the IPsec ...

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