IPP>PRO - Print by reference

IPP>PRO - Print by reference

IPP>PRO - Print by reference

JK Martin jkm at underscore.com
Fri May 30 13:49:39 EDT 1997

Good point about passing credentials (or lack thereof) to the printer
for print-by-reference.

What if we were to implicitly limit print-by-reference to only world-
readable documents (ie, no credentials needed)?

For the suggested scenarios of enterprise document repositories and
general public repositories (eg, IETF drafts), this should work just
fine, right?  In the case of the enterprise, the repository is assumed
to be inside the firewall, anyway, so "public" access is pretty much


----- Begin Included Message -----

Date: Fri, 30 May 1997 09:57:10 PDT
From: Larry Masinter <masinter at parc.xerox.com>
Organization: Xerox PARC
To: Scott Lawrence <lawrence at agranat.com>
CC: JK Martin <jkm at underscore.com>, ipp at pwg.org
Subject: Re: IPP>PRO - Print by reference
Content-Transfer-Encoding: 7bit

The capability of being able to print-by-reference might
be thought of as similar to the capability to be able to
print any given media type. In fact, print-by-reference
might be implemented by sending, instead of
application/vnd.adobe.postscript or application/vnd.hp.pcl,
sending message/external-body.
> This strikes me as an easy feature to describe as a very small set
>   of attributes which describe whether or not print-by-reference is
>   supported and if so what identity the printer is configured to use
>   and any network access restrictions it may have.

The difficult issue in print-by-reference is how the sender
supplies the credentials if any at all are required. There
is no single standard for identity in Internet protocols, and
there's no standard encapsulation of credentials.



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