There is no specific duration for the document status phases.
Both the WG last call and PWG Last Call can't reasonably be
shortened. The time consumed is often *after* one or the other
last call, while the editors update the document and the WG
reviews those changes.
The scope of a SINGLE prototype (not an interoperability test)
is the choice of the implementation. But the PWG SC took a
conservative view with PDF/is (prototype every field) and the
IPP Fax WG followed through on that. In that case, Rick Seeler
(Adobe) tested that the sample PDF/is documents could be
correctly displayed by Adobe Reader as well.
A PWG Raster prototype could be fairly easily based on the
existing open source code for CUPS, I suspect.
The interoperability tests (between vendors) normally are only
*after* the PWG Candidate Standard is approved and required
for advancement to full PWG Standard document status.
Ira McDonald (Musician / Software Architect)
Chair - Linux Foundation Open Printing WG
Co-Chair - IEEE-ISTO PWG IPP WG
Co-Chair - TCG Hardcopy WG
IETF Designated Expert - IPP & Printer MIB
Blue Roof Music/High North Inc
mailto:blueroofmusic at gmail.com
Christmas through April:
579 Park Place Saline, MI 48176
May to Christmas:
PO Box 221 Grand Marais, MI 49839
On Tue, Feb 8, 2011 at 1:42 PM, Petrie, Glen <glen.petrie at eitc.epson.com>wrote:
> While I understand your comments on fast tracking, is there a “specific”
> duration to each phase / process? So, I did not mean to change the process
> but to encourage shortening it.
>>>> Can you help me understand the “scope of a prototype”? In this case, the
> scope of the technical content is very small but I still assume that the
> process steps can not be dropped.
>>>> Having just a source provider of the PWG raster is not interoperability. I
> personally do not know of a printer that can read CUPS raster xxx or one
> that could be modified to read a subset. So is emulation of a printer ok?
> I also assume for interoperability, there must be two independent
>> *From:* Ira McDonald [mailto:blueroofmusic at gmail.com]
> *Sent:* Tuesday, February 08, 2011 8:49 AM
> *To:* Petrie, Glen; Ira McDonald
> *Cc:* ipp at pwg.org> *Subject:* Re: [IPP] Epson Request for PWG/IPP Raster
>>>> Hi Glen,
>> With respect to 'fast tracking' of PWG Raster spec, note
> that the status phases Initial/Interim/Protoype/Stable must
> occur, per PWG Process/3.0.
>> Except for waiving the PWG Process/3.0 requirement
> for a PWG Last Call to span a PWG face-to-face, there
> is little the PWG Steering Committee can do to 'fast
> track' this spec.
>> And during the Prototype phase an actual prototype of
> substantial amounts of the base spec must be performed,
> reported on, and reviewed by the IPP WG.
>> For comparison, PDF/is had *every* required and
> optional field prototyped. Wire formats need to be
> very stable before adopting them.
>> I can't speak to Mike Sweet's editing priorities, but the
> main IPP Everywhere (profiles) and IPP JPS3 specs
> are high priority for their Cloud Imaging WG and MFD
> WG impacts.
> - Ira
>>> Ira McDonald (Musician / Software Architect)
> Chair - Linux Foundation Open Printing WG
> Co-Chair - IEEE-ISTO PWG IPP WG
> Co-Chair - TCG Hardcopy WG
> IETF Designated Expert - IPP & Printer MIB
> Blue Roof Music/High North Inc
>http://sites.google.com/site/blueroofmusic>http://sites.google.com/site/highnorthinc> mailto:blueroofmusic at gmail.com> Christmas through April:
> 579 Park Place Saline, MI 48176
> May to Christmas:
> PO Box 221 Grand Marais, MI 49839
>>>> On Tue, Feb 8, 2011 at 10:23 AM, Petrie, Glen <glen.petrie at eitc.epson.com>
>> Epson would like in endorse the IPP working group’s fast tracking of the
> PWG/IPP raster specification / standard. Epson would like to further
> encourage and endorse the PWG Steering committee in approving a (very) fast
> tracking of the of PWG/IPP Raster specification / standard.
>>>> Epson supports the currently proposed format of the raster format provided
> that the format is “streamable” in order to eliminate the need for printers
> to provide buffering of full pages.
>>>> If the format has a REQUIRED color space, and Epson is not proposing that
> there should be a REQUIRED color space; then Epson would like to propose and
> support 24-bit sRGB
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