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Re: [ietf-dkim] Modified Introduction text for rfc4871-errata (resend)

2009-06-16 12:55:21
I don't have a specific objection to the word reputation per se but assessment 
is a more neutral term for this particular group so s/reputation/assessment/g 
should work.

-----Original Message-----
From: ietf-dkim-bounces(_at_)mipassoc(_dot_)org 
[mailto:ietf-dkim-bounces(_at_)mipassoc(_dot_)org] On Behalf Of Michael Thomas
Sent: Tuesday, June 16, 2009 12:34 AM
To: dcrocker(_at_)bbiw(_dot_)net
Cc: Pasi(_dot_)Eronen(_at_)nokia(_dot_)com; ietf-dkim(_at_)mipassoc(_dot_)org
Subject: Re: [ietf-dkim] Modified Introduction text for rfc4871-errata (resend)

Will somebody please tell the editor that this still violates our charter
since reputation is out of scope?

Thank you.

Mike


Dave CROCKER wrote:
Jim Fenton wrote:
I do have a problem with the last paragraph:

       <t>For signers and assessors that have been using the i= tag for
         reputation assessment a software change to using the d= tag is 
intended.
       </t>

and some of the text in the preceding paragraph because it attempts to
do exactly what the WG charter says we won't, specifically:


Ahh, right.  That's the sort of land-mine I was afraid might need uncovering.
Thanks for catching this.

So...

Previous Proposed Text:

        <t>This currently leaves signers and assessors with the potential for
          making different interpretations between the two identifiers and may
          lead to interoperability problems. A signer could intend one to be
          used for reputation, and have a non-reputation intent in setting the
          value in the other. However the assessor might choose the wrong 
value
          and produce an unintended (and inaccurate) reputation 
assessment.</t>

        <t>This update resolves that confusion.  It defines additional, 
semantic
          labels for the two values, clarifies their nature and specifies 
their
          relationship.  More specifically, it clarifies that the identifier
          intended for reputation lookups (such as white lists) by the
          assessor is the value of the "d=" tag. However, this does not
          prohibit message filtering engines from using the "i=" tag, or any
          other information in the message header, for filtering decisions. 
</t>

        <t>For signers and assessors that have been using the i= tag for
          reputation assessment a software change to using the d= tag is
          intended.
        </t>


New Proposed Text:

        <t>This currently leaves signers and assessors with the potential for
          making different interpretations between the two identifiers and may
          lead to interoperability problems. A signer could intend one to be
          used for reputation, and have a non-reputation intent in setting the
          value in the other. However the verifier might choose the wrong 
value
          to deliver to the assessor, thereby producing an unintended (and
          inaccurate) reputation assessment.</t>

        <t>This update resolves that confusion.  It defines additional, 
semantic
          labels for the two values, clarifies their nature and specifies 
their
          relationship.  More specifically, it clarifies that the identifier
          intended for delivery to the assessor -- such as one that consults a
          white list -- is the value of the "d=" tag. However, this does not
          prohibit message filtering engines from using the "i=" tag, or any
          other information in the message's header, for filtering decisions.
        </t>

        <t>For signers and verifiers that have been using the i= tag as the
           primary value that is delivered to the assessor, a software change 
to
           using the d= tag is intended.
        </t>



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