[MFD] RE: PWG -- Scanning Service Model, Documentation et al...

[MFD] RE: PWG -- Scanning Service Model, Documentation et al...

[MFD] RE: PWG -- Scanning Service Model, Documentation et al...

William A Wagner wamwagner at comcast.net
Fri Jun 21 16:23:25 UTC 2013


Paul,

As Pete indicated,  a Scan Service update is being incorporated into the PWG
Semantic Model v2 specification that is currently being worked on. He is
also correct in that the Semantic Model WG would very much appreciate your
contribution to this update, particularly in the Scan Service area. At this
point, we have just started on the document and will be editing and updating
the earlier Scan Service specification for inclusion as a chapter in the
general Semantic Model document. You may also find the  draft of the IPP
Scan Service binding interesting
(ftp://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippscan-20110404.pdf); this initial
draft has been idle for two years waiting for someone to work on it.

 

The current chair of the Semantic Model WG (which embodies both the old SM
WG and the MFD WG)  is Daniel Manchala.

 

Bill Wagner

 

From: mfd-bounces at pwg.org [mailto:mfd-bounces at pwg.org] On Behalf Of Michael
Sweet
Sent: Thursday, June 20, 2013 12:16 PM
To: Zehler, Peter
Cc: mfd at pwg.org
Subject: Re: [MFD] RE: PWG -- Scanning Service Model, Documentation et al...

 

Updating with Nancy's current email address...

 

 

On 2013-06-20, at 12:01 PM, "Zehler, Peter" <Peter.Zehler at xerox.com> wrote:





Paul,

 

I no longer actively participate in the PWG but I can tell you about the
original approach for the model.  Version 1 of the model was limited to
print and was intended to provide an abstract model that could be mapped to
any number of protocol bindings. The existing PWG specifications were
specific to the IPP protocol binding.  There were many other environments
that utilized the same underlying model.  That model had its roots in
ISO/IEC 10175-1:1996 Document Printing Application (DPA).   As a convenience
we adapted the use of XML Schema to describe the data model and WSDL to
describe the service interfaces.  Note that the model is actually
independent of this but XML/WSDL does bring a great deal of benefits to the
work including assistance in documentation, transformations to other
bindings and code generation.

 

The PWG started to extend the model to include device aspects along with the
service aspects.  The device model was derived from existing SNMP MIBS.
Other user facing services of modern MFDs were added to the model.  Whenever
possible semantic elements were reused across the services.  A great deal of
semantics are defined in the print and scan services.  The goal was to cover
all the services by attacking them one at a time.  As the device/services
were added the underlying model was expanded.  As each specification was
published a namespace was assigned and a snapshot of the XML/WSDL was
posted.  Along the way implementers have a chance to feed back any issues
they have with any of the services.  Once all the services are completed a
final publication was planned that would bring all the services up to date
and unify them under a single published namespace.  There would also be a
single associated specification.  It is my understanding that the
specification is underway.  The PWG Semantic Model v2 specification will be
the document you want.  Version 2 of the PWG Semantic Model schema will be
published at that time.  I'm sure the PWG could use your help to make v2 a
reality.

 

If I have this wrong, perhaps someone from the Semantic Model working group
can correct me.

 

Cheers,

Pete  

 

Peter Zehler

Xerox Research Center Webster
Email: Peter.Zehler at Xerox.com
Voice: (585) 265-8755
FAX: (585) 265-7441
US Mail: Peter Zehler
Xerox Corp.
800 Phillips Rd.
M/S 128-25E
Webster NY, 14580-9701

 

 

From: Henerlau, Paul [mailto:paulh@ <http://sharplabs.com> sharplabs.com] 
Sent: Wednesday, June 19, 2013 8:58 PM
To:  <mailto:nchen at okidata.com> nchen at okidata.com; Zehler, Peter
Cc: Henerlau, Paul; Murdock, Joe
Subject: PWG -- Scanning Service Model, Documentation et al...

 


Dear Ms Chen, Mr Zehler ---

    While becoming more familiar with the general Semantic Model of the PWG,
I have recently spent some time with the MFD Scan Service.

    A quick question -- seeing how this dates back almost 4 years, is there
a more recent version of the documentation?  Ideally, somewhat in line with
the 1.187 (latest) Schema?

    I thank you for giving this your attention, along with thanks for all of
your work with PWG.

    Best regards...

    --- Paul Henerlau

    

    





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_________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair

 


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