[WIMS] Should IETF EMAN register PWG power states? - No

[WIMS] Should IETF EMAN register PWG power states? - No

[WIMS] Should IETF EMAN register PWG power states? - No

Michael Sweet msweet at apple.com
Thu Aug 11 19:09:40 UTC 2011


Ira,

I agree that we should stick with the existing DMTF power states - without some way to describe the vendor states, it would be impossible to have a generic client monitor things properly...

On Aug 11, 2011, at 8:47 AM, Ira McDonald wrote:

> Hi,
> 
> ACTION - All - Read and comment on this power states issue for EMAN.
> 
> The latest draft of the IETF EMAN Energy Monitoring MIB (monitor-only
> subset of EMAN model) includes the following issue:
> 
>         "OPEN ISSUE 12: Consideration of IEEE-ISTO PWG in the IANA list 
>         of Power State Set ? PWG Imaging Systems Power Management MIB 
>         reference."
> 
> And Bruce Nordman (EMAN co-chair) raised the question of registering the
> PWG power states with IANA for EMAN last week at the PWG meeting 
> - I waffled in my reply.
> 
> On reflection, I propose that the PWG does NOT register their own power
> states (adding significant complexity to the NMS systems that will already
> support the other three standard power state sets).
> 
> Instead, best practice would be for PWG Power MIB enabled devices to
> *fold* vendor extension states into their base DMTF power states (already
> in EMAN) for more coherent power monitoring and power management
> across the enterprise.  This folding would have to occur anyway for a DMTF
> CIM mapping of the PWG Power Model, so we'd be consistent for "outside"
> standards.
> 
> Comments?
> 
> Cheers,
> - Ira
> 
> PS - I'd like to reply on the IETF EMAN mailing list within the next two weeks
> on this issue - please send your opinions.
> 
> 
> Ira McDonald (Musician / Software Architect)
> Chair - Linux Foundation Open Printing WG
> Co-Chair - IEEE-ISTO PWG IPP WG
> Chair - TCG Embedded Systems Hardcopy SWG
> IETF Designated Expert - IPP & Printer MIB
> Blue Roof Music/High North Inc
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> 
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__________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair


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