Re: [secdir] Secdir review of draft-ietf-isis-trill

Radia Perlman <radiaperlman@gmail.com> Sun, 19 December 2010 19:55 UTC

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Date: Sun, 19 Dec 2010 11:57:38 -0800
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From: Radia Perlman <radiaperlman@gmail.com>
To: Donald Eastlake <d3e3e3@gmail.com>
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Cc: Erik Nordmark <nordmark@acm.org>, secdir@ietf.org, Sam Hartman <hartmans-ietf@mit.edu>, draft-ietf-isis-trill@tools.ietf.org, ietf@ietf.org
Subject: Re: [secdir] Secdir review of draft-ietf-isis-trill
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No objections.

Radia

On Sun, Dec 19, 2010 at 10:16 AM, Donald Eastlake <d3e3e3@gmail.com> wrote:
> My apologies for responding slowly, I was traveling.
>
> If it is tolerable to people, I do not mind adding the two sentences
> requested by Sam to the isis-trill draft.
>
> Thanks,
> Donald
>
> PS: It appears to me that the same considerations apply to
> draft-ietf-isis-ieee-aq.
>
> On Fri, Dec 17, 2010 at 10:45 PM, Sam Hartman <hartmans-ietf@mit.edu> wrote:
>>>>>>> "Erik" == Erik Nordmark <nordmark@acm.org> writes:
>>
>>
>>    Erik> Adding just this sentence to draft-ietf-isis-trill (the code
>>    Erik> point document) seems odd. Your comment is really a comment on
>>    Erik> the security of IS-IS, and not specific to TRILL and unrelated
>>    Erik> to the code points.
>>
>> I don't care much where the text goes.  I'm happy if you provide an rfc
>> editor note for draft-ietf-trill-rbridge-protocol if you like that
>> approach better.  However, as I read draft-ietf-isis-trill, it defines
>> the interface between TRILL and IS-IS.  In my mind, that's where the
>> security consideration appears.  You're re-using a component that isn't
>> up to our current standards--we know that; we're working on it in
>> KARP. However in doing that, you need to document the security
>> considerations for your protocol.  Since you have a document that
>> specifically is the interface between your protocol and the component
>> you are re-using,that seems like the best place to do the documentation
>> work.
>>
>> however, in decreasing order of priority, I want to call out my concern
>> that we need to be far more careful about what we expect in terms of
>> security from future work we charter and that we should document the
>> specific interactions between IS-IS and TRILL.  While I have expressed
>> an opinion above on where I think that documentation should go, feel
>> free to put it where you think is most correct.
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