RFC 4285:Authentication Protocol for Mobile IPv6
RFC-Ref

signaling message


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... The base Mobile IPv6 specification [RFC3775] specifies the signaling messages, Binding Update (BU) and Binding Acknowledgement ...
... bandwidth constrained (such as cellular wireless networks) and for which there exists a strong desire to minimize the number of signaling messages sent over such interfaces. MIPv6 ...
... MN and HA requires more signaling messages compared with the use of an mobility message authentication option ...



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