Re: [jose] POLL(s): header criticality

<sebastien.brault@orange.com> Wed, 06 February 2013 17:52 UTC

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From: <sebastien.brault@orange.com>
To: "jose@ietf.org" <jose@ietf.org>
Thread-Topic: [jose] POLL(s): header criticality
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Date: Wed, 6 Feb 2013 17:52:40 +0000
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Subject: Re: [jose] POLL(s): header criticality
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FIRST POLL: YES
SECOND POLL: YES
THIRD POLL : A

Regards.
Sébastien.

>-----Original Message-----
>From: jose-bounces@ietf.org [mailto:jose-bounces@ietf.org] On Behalf Of
>Karen O'Donoghue
>Sent: Monday, February 04, 2013 6:49 AM
>To: jose@ietf.org
>Subject: [jose] POLL(s): header criticality
>
>Folks,
>
>I am wrestling with how to help drive consensus on the topic of
>criticality of headers. For background, please review the current
>specification text, the minutes to the Atlanta meeting (IETF85), and the
>mailing list (especially the discussion in December with (Subj: Whether
>implementations must understand all JOSE header fields)). We need to come
>to closure on this issue in order to progress the specifications.
>
>As a tool to gather further information on determining a way forward, the
>following polls have been created. Please respond before 11 February 2013.
>
>Thanks,
>Karen
>
>*******************
>FIRST POLL: Should all header fields be critical for implementations to
>understand?
>
>YES - All header fields must continue to be understood by implementations
>or the input must be rejected.
>
>NO - A means of listing that specific header fields may be safely ignored
>should be defined.
>
>********************
>SECOND POLL: Should the result of the first poll be "YES", should text
>like the following be added? "Implementation Note: The requirement to
>understand all header fields is a requirement on the system as a whole -
>not on any particular level of library software. For instance, a JOSE
>library could process the headers that it understands and then leave the
>processing of the rest of them up to the application. For those headers
>that the JOSE library didn't understand, the responsibility for
>fulfilling the 'MUST understand' requirement for the remaining headers
>would then fall to the application."
>
>YES - Add the text clarifying that the "MUST understand" requirement is a
>requirement on the system as a whole - not specifically on JOSE libraries.
>
>NO - Don't add the clarifying text.
>
>************************
>THIRD POLL: Should the result of the first poll be "NO", which syntax
>would you prefer for designating the header fields that may be ignored if
>not understood?
>
>A - Define a header field that explicitly lists the fields that may be
>safely ignored if not understood.
>
>B - Introduce a second header, where implementations must understand all
>fields in the first but they may ignore not-understood fields in the
>second.
>
>C - Other??? (Please specify in detail.)
>_______________________________________________
>jose mailing list
>jose@ietf.org
>https://www.ietf.org/mailman/listinfo/jose


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