[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

Ira McDonald blueroofmusic at gmail.com
Thu Aug 11 15:47:56 UTC 2011


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
http://sites.google.com/site/blueroofmusic
http://sites.google.com/site/highnorthinc
mailto:blueroofmusic at gmail.com
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