From: McDonald, Ira (imcdonald@sharplabs.com)
Date: Sat Sep 23 2006 - 21:13:08 EDT
Hi folks, Saturday (23 September 2006)
I've just posted a second draft of the PWG IPP Printer State Extensions
(PSX) specification on the PWG FTP server at:
ftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippstate10-20060923.htm
ftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippstate10-20060923.pdf
This draft is a major rewrite to capture the recent IPP WG concensus on
design alternatives:
(a) New values for the "printer-state-reasons" attribute for device
alerts already defined in the 'PrtAlertCodeTC' textual convention;
(b) New values for both the "printer-state-reasons" attribute and the
'PrtAlertCodeTC' textual convention for finishing subunit alerts;
(c) New attribute "printer-alert (1setOf octetString(MAX))" - to encode
all the machine-readable columnar objects from 'prtAlertTable';
(d) New attribute "printer-alert-description (1setOf text(MAX))" - to
encode the localized 'prtAlertDescription' columnar object.
For immediate review, comment on the IPP WG mailing list (ipp@pwg.org),
and discussion at next IPP WG Telecon on Thursday 28 September 11am EDT.
Cheers,
- Ira
Ira McDonald (Musician / Software Architect)
Blue Roof Music / High North Inc
PO Box 221 Grand Marais, MI 49839
phone: +1-906-494-2434
email: imcdonald@sharplabs.com
------------------------------------------------------------------------
[Change Log]
23 September 2006 (v0.20)
- Changed document status from 'Initial' to 'Interim', per PWG
Process/2.0;
- Renamed document from 'IPP Printer State Reasons Extensions' to
'IPP Printer State Extensions' (new state attributes are defined);
- Renamed section 1.1 from 'Background' to 'Problem Statement' for
better alignment with project charter.
- Added formal definitions of 'IPP Client', 'IPP Printer', 'Printer MIB
Agent', and 'Printer MIB Client' protocol roles to section 2.2
'Printing Terminology', for unambiguous conformance requirements;
- Revised section 4 'Requirements' to align with new design requirements
and preferred design alternatives, per concensus of IPP WG;
- Renamed section 5 from 'IPP Printer Attribute Extensions' to
'IPP Printer Attributes' (new attributes are defined);
- Renamed section 6 from 'IANA Printer MIB Extensions' to
'IANA Printer MIB Textual Conventions' (no new objects are defined);
- Deleted section 5.1.1 'Severity Suffixes DEPRECATED' and replaced with
new section 5.1.1 'Severity Suffixes Interoperability', per comments
from Ted Tronson (Novell) and Michael Sweet (Easy Software);
- Added section 5.1.4 'New Printer State Reasons for Finishing Subunits'
that points to section 6.1.1 'New Alert Codes for Finishing Subunits'
- Deleted section 5.2 'printer-state-message(text(MAX))' and replaced
with new section 5.2 'printer-alert(1setOf octetString(MAX))',
per concensus of IPP WG;
- Deleted redundant prefix 'alert-' from all keywords defined for use in
"printer-alert" in section 5.2, e.g., changing 'alert-code' to 'code'
(no longer overloading general attribute "printer-state-message");
- Added new section 5.3 'printer-alert-description (1setOf text(MAX))',
per concensus of IPP WG;
- Deleted section 6.1 'PrtAlertGroupTC' and replaced with new section
6.1 'PrtAlertCodeTC', per concensus of IPP WG;
- Deleted section 6.1.1 'New Alert Groups for Finishing Subunits' and
replaced with new section 6.1.1 'New Alert Codes for Finishing
Subunits', per concensus of IPP WG;
- Revised section 9 'Internationalization Considerations' to reflect
new "printer-alert-description" attribute;
- Added new section 'Appendix A - Design Alternatives (Informative)', to
document the evolution of IPP WG concensus (i.e., the road not taken);
------------------------------------------------------------------------
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