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Subject: RE: [energyinterop] Some statements about Cardinality and Resources
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That looks acceptable. Gale R.
Horst Electric
Power Research Institute (EPRI) From: Toby Considine
[mailto:tobyconsidine@gmail.com] On Behalf Of
Toby Considine 1)
A single VEN interface may
offer Zero to many resources. It can add new ones or remove old ones. 2)
The set of Resources revealed to a
particular partner (VTN) are solely those that the VEN wishes to offer. Whether
a there is a one-to-one correspondence between any piece of equipment and a
resource publication is entirely up to the VEN and what it wishes to advertise. 3)
A VEN may display different
resources to different Market Contexts. 4)
A VEN MAY split its service
offerings into multiple Resources because of different grid-relevant
characteristics OR for characteristics relevant to its internal decision making
and user interfaces (say floors of a commercial building), as meets the needs
of the VEN 5)
A Resource may have multiple
end-points specified. Probably, these are WS Addressing Points 6)
All end points of a Resource SHALL
receive the same operational messages from the VTN. 7)
One end point SHALL receive the
Administrative interactions for the Resource. This end point MAY be the sole
Operational End Point. 8)
If the Party exposing a VEN
surface to an external VTN, is itself exposing a VTN surface to manage its
internal market, the external VTN cannot “drill down” to those
internal VEN interfaces, except to the extent that the external VEN chooses to
offer them as Resources. “The
single biggest problem in communication is the illusion that it has taken
place.”
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