Re: WIMS> CIM - Order of next printing updates

From: Ira McDonald (blueroofmusic@gmail.com)
Date: Sun Oct 28 2007 - 14:51:50 EDT

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    Hi Bill,

    Basically that's what I'm saying.

    But actually PrintService wouldn't be delayed at all. It just wasn't going to
    get updated in the next cycle with the wrapup of Printer and subunits.
    The main update of PrintService is too large to do now.

    Until we finish Printer and the subunits, we don't have a "package" of
    Print Device classes to recommend people implement. And remember
    we need two independent implementations to go from CIM Experimental
    (no stability guarantees) to CIM Final.

    Cheers,
    - Ira

    On 10/27/07, William A Wagner <wamwagner@comcast.net> wrote:
    > Ira,
    >
    > If I understand, you are suggesting to first do a CR to Print Service adding
    > those elements that are intended to be relocated from Printer, then doing a
    > through CR for Printer. I guess the question might be, could a minimal CR to
    > Print Service pass though quickly?
    > The effect would appear to be to allow a speedier completion of Printer at
    > the possible cost of delaying completion of Print Service (probably a good
    > tradeoff).
    >
    > Thanks,
    >
    > Bill Wagner
    >
    >
    >
    > -----Original Message-----
    > From: owner-wims@pwg.org [mailto:owner-wims@pwg.org] On Behalf Of Ira
    > McDonald
    > Sent: Saturday, October 27, 2007 6:32 PM
    > To: wims@pwg.org; Ira McDonald
    > Subject: WIMS> CIM - Order of next printing updates
    >
    > Hi,
    >
    > We have four or five small edits to do in the various Printer subunit
    > classes
    > (after CIM v2.17 is published, when we can do 2.18 revisions).
    >
    > But we also have three kinds of substantive edits to do in Printer:
    > (1) Add Printer MIB v1 and v2 missing properties (a handful)
    > (2) Deprecate properties now represented better in subunit classes.
    > (3) Deprecate properties to be "moved" (i.e., copied) to PrintService.
    >
    > In phone discussions, Rick has suggested to me that we'll "have to revise
    > CIM_Printer several times" (because you can't do item (3) above until
    > AFTER service properties have already been copied to PrintService,
    > because a deprecated property MUST refer to the replacement one).
    >
    > But there is a very serious impedance filter in CIM updates - only ONE CR
    > against a given class can be processed in a CIM update cycle (four months).
    > And a new CR can't be written for a class until the previous CIM version is
    > actually *published* (several more months).
    >
    > So, I suggest that we get a little smarter and do a small update FIRST to
    > PrintService, and then submit all three items in Printer and be DONE with
    > Printer.
    >
    > The calendar difference would be four to six months sooner.
    >
    > Comments?
    >
    > Cheers,
    > - Ira
    >
    > --
    > Ira McDonald (Musician / Software Architect)
    > Chair - Linux Foundation Open Printing WG
    > Blue Roof Music / High North Inc
    > PO Box 221 Grand Marais, MI 49839
    > work: +1-906-494-2434
    > home: +1-906-494-2697
    > email: blueroofmusic@gmail.com
    >
    > 

    -- 
Ira McDonald (Musician / Software Architect)
Chair - Linux Foundation Open Printing WG
Blue Roof Music / High North Inc
PO Box 221  Grand Marais, MI  49839
work: +1-906-494-2434
home: +1-906-494-2697
email: blueroofmusic@gmail.com

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