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Re: ISSUE-161: proposal for transparent non-compliance

From: David Singer <singer@apple.com>
Date: Thu, 13 Sep 2012 12:32:12 -0700
Cc: "public-tracking@w3.org (public-tracking@w3.org)" <public-tracking@w3.org>
Message-id: <3D545215-9CAD-44AF-BA75-F301F6BF00FC@apple.com>
To: "Roy T. Fielding" <fielding@gbiv.com>
I think this is a very pragmatic and prudent approach, and eases deployment, and encourages development.

For the paranoid, one can simply treat 'P' sites the same as sites that don't say or claim anything.


On Sep 12, 2012, at 1:25 , Roy T. Fielding <fielding@gbiv.com> wrote:

> This is a rough (pre-spec-text) proposal to solve ISSUE-161.
> Currently, the TPE draft does not provide a means to supply
> information to the user without also claiming compliance.
> That is a problem for several reasons:
> 1) sites that are in the process of deploying DNT but have
>   not yet completed deployment (or are simply too scared to
>   claim compliance until a third-party audit is complete)
>   have no means to test while working through issues;
> 2) regulations tend to shift over time, as do standards, and it
>   might be necessary to stop claiming compliance on short order
>   until something is fixed.  For example, there are many companies
>   that have a guesswise implementation of DNT:1 already, usually as
>   a uniform means of opting out, and they would like to support
>   as many of the draft's transparency features as possible,
>   right now, even though they don't know what full compliance
>   means yet; and,
> 3) sites that have not yet implemented DNT but would still like
>   to be more transparent to the user by providing links to a
>   control resource (for opting out or managing data) and a
>   tracking policy (to explain what tracking does occur, and
>   possibly what their plans are for future DNT implementation).
> In all cases, these would still be considered non-compliant, and
> the expectation would be that a verifying user agent would treat
> them as such.  The value proposition is that a verifying user agent
> could still make use of the policy and control links to provide
> uniform access to information and controls to the user.
> I will refer to this as partially compliant simply because the
> server would have to comply with many of the TPE requirements
> just to support the expression protocol and syntax, though
> I am open to better ideas for a category name.
> The following requirements would be imposed on partially compliant
> origin servers:
>  a) The server MUST provide the same response WKL and header
>     fields as required for compliant servers, except that the
>     TSV is "P".  All syntax requirements are REQUIRED.
>  b) The tracking status representation fields for policy and
>     control are REQUIRED, since the lack of a claim of compliance
>     means that the user can't rely on a DNT:1 being effective.
> Note that a partially compliant server might actually be fully
> compliant with the standard in every respect except the TSV,
> which allows sites to switch from testing to full deployment
> by changing a single character value.
> If there are no objections, I will work on actual spec changes
> consistent with the above.
> Cheers,
> Roy T. Fielding                     <http://roy.gbiv.com/>
> Principal Scientist, Adobe Systems  <http://adobe.com/enterprise>

David Singer
Multimedia and Software Standards, Apple Inc.
Received on Thursday, 13 September 2012 19:32:40 UTC

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