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Re: Payment Method Identifiers

From: Adrian Hope-Bailie <adrian@hopebailie.com>
Date: Wed, 4 May 2016 21:44:02 +0200
Message-ID: <CA+eFz_+JnDoxE0B74hBqc+tPnnH4t0hqf99vtxBsuS4J06JhLA@mail.gmail.com>
To: Ian Jacobs <ij@w3.org>
Cc: Adrian Bateman <adrianba@microsoft.com>, Zach Koch <zkoch@google.com>, Payments WG <public-payments-wg@w3.org>
> ·        The short string list below effectively covers 5 organisations.
Our goal should be to drive this list to zero before Candidate
Recommendation.

This reinforces my belief that short-strings/aliases are adding more
complexity than value.
I second Manu's caution that once we start using them they will never be
deprecated.

We should also consider Matt Saxon's assertion that the card payments
method spec should not jsut be for basic card payments and should evolve to
include new ways of passing card payment data in future (as opposed to
having a new card payments method spec).

i.e. Will we mark these short strings as deprecated in future versions of
the spec or how do we realistically phase them out?

On 4 May 2016 at 19:51, Ian Jacobs <ij@w3.org> wrote:

>
> > On May 4, 2016, at 10:39 AM, Adrian Bateman <adrianba@microsoft.com>
> wrote:
> >
> > Zach and I discussed this before he sent this mail so I support the
> proposal.
> >
> > A couple of additional thoughts:
> >
> > ·        The short string list below effectively covers 5 organisations.
> Our goal should be to drive this list to zero before Candidate
> Recommendation.
> >
>
> Thanks, that additional bit of information helps.
>
> I am also ok with the proposal.
>
> This approach simplifies the related topics:
>
>  * Equivalence testing (use [1]).
>  * Minting policy: Anybody can mint their own absolute URLs.
>  * Identified resources: We can decide later, have flexibility, etc.
>
> Ian
>
> [1] https://www.w3.org/TR/payment-method-id/#identifier-equivalence
>
>
> > ·        One of the motivations is to not get into the “short-string
> registry” business. Any time someone wants to add themselves to the list,
> they just need to mint a URL and we will use it.
> >
> > ·        For now, we are only discussing these strings as identifiers.
> In the future, though, we will no doubt discuss what resources the URLs
> might point to. If we use the relative URL approach that I proposed in
> Option 1a then this potentially puts a lot of network load on whoever hosts
> the base URL.
> >
> > This was a problem in the past when W3C hosted DTDs and XML namespace
> schema (in the past, Microsoft’s network was regularly rate limited to
> w3.org because of errant software running on machines behind our proxies
> that was frequently downloading schema definitions).
>
> --
> Ian Jacobs <ij@w3.org>      http://www.w3.org/People/Jacobs
> Tel:                       +1 718 260 9447
>
>
>
>
Received on Wednesday, 4 May 2016 19:44:30 UTC

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