[IPP] Epson Request for PWG/IPP Raster

[IPP] Epson Request for PWG/IPP Raster

[IPP] Epson Request for PWG/IPP Raster

Petrie, Glen glen.petrie at eitc.epson.com
Tue Feb 8 18:42:07 UTC 2011

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 developments.








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 - 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 10:23 AM, Petrie, Glen
<glen.petrie at eitc.epson.com> wrote:

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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