PMP Mail Archive: RE: PMP> Justification for prtAlertTime and prtAlertTimeGrou

PMP Mail Archive: RE: PMP> Justification for prtAlertTime and prtAlertTimeGrou

RE: PMP> Justification for prtAlertTime and prtAlertTimeGrou

Turner, Randy (rturner@sharplabs.com)
Thu, 20 Nov 1997 11:00:42 -0800

For the purposes of defining the object for the MIB, we should just
say that each implementation should "do what it can" to make
sure that prtAlertTime is relative to the sysUpTime. I don't think
we need to address implementation details.

Randy

> -----Original Message-----
> From: Bob Pentecost [SMTP:bpenteco@boi.hp.com]
> Sent: Thursday, November 20, 1997 10:01 AM
> To: pmp@pwg.org
> Subject: RE: PMP> Justification for prtAlertTime and
> prtAlertTimeGrou
>
> I think Harry's got this right.
>
> While we're on the topic of prtAlertTime, I had a question come to me
> about this object. As I had mentioned when we were changing this
> object to mandatory, the sysUpTime is kept in our Network Interface
> Card (the issue at the time was due to problems getting the time from
> the NIC, but I don't care to revisit that aspect). What's the printer
> to do when it has two such cards installed? One might argue that
> there's one power supply so the times start when the power is turned
> on, but the time could also be kept in an external NIC that
> communicates with the printer over the parallel port. Also, I'm not
> sure, but the clock drift between two NIC timers could be significant.
>
> Any thoughts?
>
> Bob Pentecost
> HP
>
>
>
> ----------
>
> 11/19/97 11:16 PM
> To: pmp@pwg.org @ internet
> cc: lpyoung@lexmark.com@internet
> From: Harry Lewis/Boulder/IBM @ IBMUS
> Subject: Re: PMP> Justification for prtAlertTime and prtAlertTimeGroup
> ch
>
> I would expect Jay or Dave to chime in here because I think they are
> the ones
> who finally realized the great benefit to knowing something about the
> time
> related to events. My recollection is that we simply realized timing
> of events
> is essential information and should not be considered optional. The
> time is in
> TICKS or something related to sysUpTime, so there's no extra burden in
> terms of
> time keeping or having to put a Timex (or Rolex) in the machine.
>
> Harry Lewis - IBM Printing Systems
>
>
>
>
> pmp-owner@pwg.org on 11/19/97 11:54:57 AM
> Please respond to pmp-owner@pwg.org @ internet
> To: pmp@pwg.org @ internet
> cc:
> Subject: PMP> Justification for prtAlertTime and prtAlertTimeGroup ch
>
>
>
> I am finally getting around to gathering up the justifications
> for the changes between RFC1759 and the new Printer MIB. I have
> been able to collect the justification for all changes except
> for one. The change that I can not find any justification for
> is the move of prtAlertTime from the prtAlertTimeGroup to the
> prtAlertTableGroup and the subsequent deprecation of the
> prtAlertTimeGroup. I have searched both the PMP and PWG mail
> archives and while I can find mail that discusses the change,
> I can not find any mail that says why the change was made or
> why the change was required.
> Help?
> Lloyd
> ------------------------------------------------------------
> Lloyd Young Lexmark International, Inc.
> Senior Program Manager Dept. C14L/Bldg. 035-3
> Strategic Alliances 740 New Circle Road NW
> internet: lpyoung@lexmark.com Lexington, KY 40550
> Phone: (606) 232-5150 Fax: (606) 232-6740
>
>
>
>
>
>