A great deal of the complexity of JDF comes from several concepts IPP
doesn't support:
a) conventional printing (e.g. offset). There are a lot of steps involved
and each machine in a print shop does only one part of the process. JDF
allows the whole process to be specified. In IPP, one box does it all --
even in production printing. So if finishing is done on some machine other
than the IPP Printer, the IPP Printer more than likely says that it doesn't
support finishing.
b) JDF allows a customer to express intent in order to get a bid. So a
customer can specify a set of acceptable values. The same customer submits
the job using the same intent but selects a particular value from each set.
Some person (or program) translates this intent into a series of processes
that will produce the document on the equipment available in the shop. One
process might be an IPP Printer which receives an IDPrinting element.
> -----Original Message-----
> From: Harry Lewis [mailto:harryl at us.ibm.com]
> Sent: Wednesday, February 21, 2001 10:50 AM
> To: Herriot, Robert
> Cc: Manros, Carl-Uno B; Hastings, Tom N; owner-pwg at pwg.org;
>pwg at pwg.org;
>pwg-ipp at pwg.org> Subject: RE: PWG> IPP Production Printing Attributes
>>> That's my point...
>> >JDF is at least one order of magnitude more complex than IPP and
> >it tries to solve a much larger problem than IPP solves.
>> If JDF is aimed at production printing and finds it a
> magnitude of order
> more complex (than IPP), then is it really appropriate to
> "standardize"
> IPP Production Print?
> ----------------------------------------------
> Harry Lewis
> IBM Printing Systems
> ----------------------------------------------
>>>>> "Herriot, Robert" <Robert.Herriot at pahv.xerox.com>
> Sent by: owner-pwg at pwg.org> 02/21/2001 11:18 AM
>>> To: Harry Lewis <harryl at us.ibm.com>, "Herriot, Robert"
> <Robert.Herriot at pahv.xerox.com>
> cc: "Manros, Carl-Uno B"
> <cmanros at cp10.es.xerox.com>, "Hastings, Tom N"
> <hastings at cp10.es.xerox.com>, owner-pwg at pwg.org, pwg at pwg.org,
>pwg-ipp at pwg.org, "Herriot, Robert" <Robert.Herriot at pahv.xerox.com>
> Subject: RE: PWG> IPP Production Printing Attributes
>>>> I think that IDPrinting in JDF is a reasonable bridge, but I encourage
> others to review it and see if I missed something.
>> I'm not sure what you mean by "adopt JDF". JDF is at least
> one order of
> magnitude more complex than IPP and it tries to solve a much larger
> problem
> than IPP solves.
>> The JDF work until this point has been done by a consortium of a few
> companies. CIP4 is just now forming and JDF is being handed
> of to CIP4. It
> isn't clear how things will work. I would certainly encourage
> PWG members
> to
> participate in CIP4, but I'm not sure what it would mean for
> PWG to work
> with CIP4.
>> > -----Original Message-----
> > From: Harry Lewis [mailto:harryl at us.ibm.com]
> > Sent: Monday, February 19, 2001 9:24 PM
> > To: Herriot, Robert
> > Cc: Manros, Carl-Uno B; Hastings, Tom N; owner-pwg at pwg.org;
> > pwg at pwg.org;
> > pwg-ipp at pwg.org; Herriot, Robert
> > Subject: RE: PWG> IPP Production Printing Attributes
> >
> >
> > Bob, I appreciate your efforts to help map IPP and JDF. Do
> > you think this
> > mapping is an effective bridge between the groups? Would it
> > be better for
> > IPP to "adopt" JDF (i.e. via opaque container)? Can something
> > be done to
> > influence CIP4 to "embrace" IPP? This is what I had in mind
> > when I (and
> > several others, on several occasions) recommended a more
> > "formal" relation
> > between CIP4 and PWG.
> > ----------------------------------------------
> > Harry Lewis
> > IBM Printing Systems
> > ----------------------------------------------
> >
> >
> >
> >
> > "Herriot, Robert" <Robert.Herriot at pahv.xerox.com>
> > Sent by: owner-pwg at pwg.org> > 02/19/2001 08:42 PM
> >
> >
> > To: Harry Lewis <harryl at us.ibm.com>,
> > pwg-ipp at pwg.org, pwg at pwg.org> > cc: "Hastings, Tom N"
> > <hastings at cp10.es.xerox.com>, "Herriot, Robert"
> > <Robert.Herriot at pahv.xerox.com>, "Manros, Carl-Uno B"
> > <cmanros at cp10.es.xerox.com>
> > Subject: RE: PWG> IPP Production Printing Attributes
> >
> >
> >
> > With regard to issues concerning JDF, I have been working
> > with JDF people
> > to
> > get IPP into JDF. We added an IDPrinting element, which
> has a direct
> > mapping to IPP. I wrote Appendix F which maps JDF to IPP.
> >
> > Bob Herriot
> >
> > > -----Original Message-----
> > > From: Harry Lewis [mailto:harryl at us.ibm.com]
> > > Sent: Monday, February 19, 2001 2:24 PM
> > > To: pwg-ipp at pwg.org; pwg at pwg.org> > > Cc: hastings; Herriot, Robert; cmanros
> > > Subject: PWG> IPP Production Printing Attributes
> >
> > > 3. There are other industry consortia addressing similar
> > > areas. The CIP4 -
> > > JDF is one example. There has been no formal PWG effort to
> > > assure harmony
> > > or compatibility between JDF and IPP Production Attributes.
> > > ----------------------------------------------
> > > Harry Lewis
> > > IBM Printing Systems
> > > ----------------------------------------------
> > >
> >
> >
> >
>>>