IPP Mail Archive: Re: IPP> Lost print Jobs

Re: IPP> Lost print Jobs

Larry Masinter (masinter@parc.xerox.com)
Tue, 7 Jan 1997 12:23:58 PST

If a printer cannot spool and prints while it is receiving the job,
then the HTTP responses might be different: if another job is already
printing, a print request (POST) might result in an immediate error
(503) with a Retry-After response.

The current Proposed Standard HTTP has no particular timeouts defined
for delays, but there are probably proxy implementations that timeout
if they can't transmit a POST in a reasonable amount of time
(Minutes).

The problem would go away with third-party-print (client pushes URL &
credentials to server which fetches document), since range retrieval
could be used for partial fetches of print job material.

Larry