>> The second part of my inquiry -- how does the information model enable
>> incremental deployment?  Section 5 of draft-ietf-babel-mac.

> Incremental deployment is enabled through the interfaces object
> babel-mac-verify parameter. Set this parameter to false until all
> routers have key(s). Then set to true.

Ah, ok.  That's fine, then, sorry for missing it.

> I don't think an additional per-interface parameter is needed. I think
> babel-mac-verify should be fine.

Agreed.

> If the group wants to remove the key-use parameters and only support
> symmetrical keying, I have no objection. We could also make those
> parameters optional-to-implement (square brackets), with the expectation
> that an implementation wouldn't implement them if it only supports
> symmetric keying.

Shall we wait for Toke to express an opinion?

-- Juliusz

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