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npp-minutes-91jul.txt
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CURRENT_MEETING_REPORT_
Reported by Glenn Trewitt/DEC
NPP Minutes
Agenda
o Walk through LPR/LPD Protocol draft.
o Walk through Printer Access Protocol draft.
There was a lot to go through on both drafts. Either could have
occupied the entire meeting. Because there were very few attendees
interested in PAP, compared to LPR/LPD, we dealt only with that in the
meeting. PAP was covered outside the meeting (actually, only Jim Jones,
the author, and I showed up). This meeting was well-attended, and most
of the people had read the draft before the meeting. Early preparation
does pay off!
LPR/LPD Protocol Draft
We finally decided to make a clean break between the existing protocol
and this specification, so it would be absolutely clear what was ``in''
the old and new. We paid full attention to old vs. new
interoperability issues. Specifically:
1. The ``new'' features were removed from the ``old'' commands:
o Zero-length for data files with EOF indicated by connection
close.
o Data file vs. control file ordering.
2. To provide these (very needed) features, we added two new opcodes:
o Receive Data File With Unknown Length - receive a data file,
terminated by connection close.
o Receive Control File First - receive a control file before its
associated data files.
For the new commands, we defined explicit rules for how a client should
employ them, to achieve interoperability with both old and new LPD
daemons. The new draft will have a very solid line between ``old'' and
``new'' LPD features. A new draft will be available in September.
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Printer Access Protocol
Most of the work here was aimed at getting everything in the document
that was appropriate for a protocol RFC -- full information so that the
protocol is implementable from the document, and removing
implementation-specific verbiage. There is still significant work to do
on this document.
Attendees
Charles Bazaar bazaar@emulex.com
David Bridgham dab@asylum.sf.ca.us
Philip Budne phil@shiva.com
Cerafin Castillo cec@emulex.com
James Jones jones@regent.enet.dec.com
Charles Kimber ckimber@dcp.com
Stev Knowles stev@ftp.com
Louis Mamakos louie@ni.umd.edu
Leo McLaughlin ljm@wco.ftp.com
Keith Moore moore@cs.utk.edu
Michael O'Dell mo@bellcore.com
Richard Smith smiddy@pluto.dss.com
Glenn Trewitt trewitt@nsl.dec.com
Peter de Vries peter@wco.ftp.com
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