SOI QUESTION: 4.7 Authenticated informational messages

["Theodore Ts'o" <tytso@mit.edu>]

Please discuss and answer this question:

4.7 Authenticated informational messages

4.7.A) Does SOI need to provide authenticated informational messages
after an IKE SA has been set up?  (What sort of informational messages
might be needed?  Do they need to be protected in a different key than
the SA key?)

Implications from the Scenarios:

[none]