WBMM> Re: Need quick decisions on schema changes

WBMM> Re: Need quick decisions on schema changes

WBMM> Re: Need quick decisions on schema changes

Zehler, Peter PZehler at crt.xerox.com
Wed Jun 2 14:36:24 EDT 2004


Ira,

Harry covered my views.  My inserts are only on 7 & 8.

 

Peter Zehler 
XEROX 
Xerox Innovation Group 
Email: PZehler at crt.xerox.com 
Voice:    (585) 265-8755 
FAX:      (585) 422-7961 
US Mail: Peter Zehler
              Xerox Corp. 
              800 Phillips Rd. 
              M/S 128-25E 
              Webster NY, 14580-9701 

 

-----Original Message-----
From: Harry Lewis [mailto:harryl at us.ibm.com] 
Sent: Wednesday, June 02, 2004 1:57 PM
To: McDonald, Ira
Cc: 'wbmm at pwg.org'; 'Wagner,William'
Subject: WBMM> Re: Need quick decisions on schema changes

 


Inserted... 
---------------------------------------------- 
Harry Lewis 
Chairman - IEEE-ISTO Printer Working Group
http://www.pwg.org
IBM Printing Systems 
http://www.ibm.com/printers
303-924-5337
---------------------------------------------- 




"McDonald, Ira" <imcdonald at sharplabs.com> 

06/02/2004 11:47 AM 


To

"'wbmm at pwg.org'" <wbmm at pwg.org> 


cc

"'Wagner,William'" <WWagner at NetSilicon.com>, Harry Lewis/Boulder/IBM at IBMUS 


Subject

Need quick decisions on schema changes

 


 

 




Hi, 

PLEASE answer quickly with your opinions on edits below, 
so I can begin the edits needed in all of the WIMS schema 
after last week's PWG Vancouver meetings. 

Last week, we reduced the scope of the PWG Std Events spec 
and Events schema to Printer-only (Printer, Job, Document, 
and Subunit).  Fine, but... 

(1) Alerts schema - Should I delete 'AlertResource'? 

    - it depended on the now _deleted_ ResourceXxx events 
     in the Events schema and Resource object in the 
     (abandoned) Imaging System Model draft 

HL - Yes, for now... but we need to put these back in later 

(2) Alerts schema - Should I change 'NotifySourceState' 
   to delete 'Testing' and 'Down' from 'hrDeviceStatus' 
   in Host Resources MIB (RFC 2790)? 

    - this change will make support of coherent Printer 
     state harder to harmonize with HR MIB 
   - I think that it's a bug that Printer state in IPP/1.1 
     requires state reasons to report Down or Testing 

HL - No 

(3) Alerts schema - Should I rename 'NotifySourceState' 
   to 'NotifyPrinterState' and 'NotifySourceURI' to 
   'NotifyPrinterURI'? 

    - doing so effectively closes the future possibility 
     of multifunction alert support in WIMS 

HL - No! 

(4) Resource schema - Should we abandon this schema? 

    - last week's meeting seemed against adding any 
     new objects except in some future PWG MFP Model 
   - abandoning Resources seems foolish to me 

 HL -   Seems foolish to me too. Don't like the word abandon. Prefer
"staging" 


(5) Schedule schema - Should I reorganize it into 
   the three Monitoring, Management, and Admin groups 
   of Actions? 

    - this seems worthwhile, as it describes WIMS levels 
     better 

HL - Yes 

(6) Schedule schema - Should I delete Resource actions? 

    - Does WIMS WG accept the need to model Resource? 

HL - No (Yes... but possibly at a later "stage") 

(7) Schedule schema - Should I import 'NotifyEvents' from 
   the Events schema? 
   
   - this looks better, but again loses Resources 

HL - Not sure... why does this loose Resources... because event schema
requirments are being driven by PSI? Seems incorrect. 

            <PZ>I don't understand this one either</PZ>

(8) Schedule schema - Should I add the elements for 
   Supported[Operations|Actions|Objects] here, so 
   that RegisterForManagement operation works? 

    - the WIMS operations won't appear in any generic 
     PWG Semantic Model element in the forseeable future 

HL - why do you say the WIMS ops won't appear in SM? Do you mean just the
admin related Ops?

            <PZ>This would seem to be a straight forward extension and could
be added to the Schema easily, captured as a Semantic Model extension and
picked up in the next version of the PWG Semantic Model spec</PZ>

 

Cheers, 
- Ira 

Ira McDonald (Musician / Software Architect) 
Blue Roof Music / High North Inc 
PO Box 221  Grand Marais, MI  49839 
phone: +1-906-494-2434 
email: imcdonald at sharplabs.com 

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