IPP> RE: IPP print channel Discovery using SSDP

IPP> RE: IPP print channel Discovery using SSDP

IPP> RE: IPP print channel Discovery using SSDP

Hastings, Tom N hastings at cp10.es.xerox.com
Wed Dec 6 00:32:28 EST 2000

Peter and Harry,

Peter's proposal to use alt-location was considered today, but rejected,
because it would mean that the UCP that was interested in using IPP would
have to read the UPnP Print Service Template to find the alt-location.
Instead, it was agreed that a Printer should advertise IPP as a separate
service using SSDP.  So if a Printer supports BOTH IPP and UPnP, it would
send out 7 SSDP packets, 6 as required by UPnP and one for IPP.  If is
supports only IPP, it would only send out 1 packet.

In order to get this SSDP definition for IPP, it was suggested that the IPP
WG should define an SSDP service response in a separate document, perhaps a
PWG document.  It was suggested to do this as a work item this week at the
IPP WG meeting.



-----Original Message-----
From: Zehler, Peter 
Sent: Monday, December 04, 2000 07:59
Cc: Tom Hastings (E-mail); Harry Lewis (E-mail)
Subject: IPP print channel Discovery using SSDP

Attached is the text to be included in the Printer Device Template
describing the use of the "alt-locations" header in UPnP for IPP print
channel discovery.

				Peter Zehler
				Xerox Architecture Center
				Email: Peter.Zehler at usa.xerox.com
				Voice:    (716) 265-8755
				FAX:      (716) 265-8792 
				US Mail: Peter Zehler
				        Xerox Corp.
				        800 Phillips Rd.
				        M/S 139-05A
				        Webster NY, 14580-9701

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