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Subject: Re: [energyinterop] RE: Initial Port of OpenADR to EnergyInterop

Toby and Sharon,

That's the key distinction to make between intra-systems (EMCS or 
controls internal to buildings) and inter-systems (ESI and similar 
interfaces external to buildings) where inter-systems could use Web 
services (i.e., XML) and intra-systems would use the existing 
communication protocols (e.g., BACnet, Lon, etc.). This distinction will 
make the OpenADR communication protocol-independent and enable legacy 
systems and retrofits compatible. That's what we're doing currently with 


Dinges, Sharon wrote:
> Toby,
> I believe this is a fair assessment. The interactions between the EMS 
> and the external ESI are more appropriately communicated using XML and 
> web services.
> Then, at the EMS level, the systems would communicate using BACnet, 
> LonWorks, OPC, HAN, DALI, etc.
> Regards,
> Sharon
> ------------------------------------------------------------------------
> *From:* Considine, Toby (Campus Services IT) 
> [mailto:Toby.Considine@unc.edu]
> *Sent:* Monday, July 20, 2009 20:40
> *To:* 'Edward Koch'; 'energyinterop@lists.oasis-open.org'
> *Subject:* [energyinterop] RE: Initial Port of OpenADR to EnergyInterop
> In terms of the smart grid diagrams, outside communications should be 
> with Energy Services Interface (ESI), which is something different 
> than the Energy Management System (EMS). Makers of BACnet, LON, HAN, 
> DALI, et al will each figure out what the middle layer is. Oft times, 
> the enterprise will be in between the ESI and any EMS. It certainly 
> will be in any industrial environment…
> BACNET, LON and friends are out of scope…
> ------------------------------------------------------------------------
> "A man should never be ashamed to own that he has been in the wrong, 
> which is but saying ... that he is wiser today than yesterday." -- 
> Jonathan Swift
> ------------------------------------------------------------------------
> Toby Considine
> Chair, OASIS oBIX TC
> Facilities Technology Office
> University of North Carolina
> Chapel Hill, NC
> Email: Toby.Considine@ unc.edu <mailto:Toby.Considine@fac.unc.edu>
> Phone: (919)962-9073
> http://www.oasis-open.org
> blog: www.NewDaedalus.com
> *From:* Edward Koch [mailto:ed@akuacom.com]
> *Sent:* Monday, July 20, 2009 8:41 PM
> *To:* Considine, Toby (Campus Services IT); 
> 'energyinterop@lists.oasis-open.org'
> *Subject:* RE: Initial Port of OpenADR to EnergyInterop
> Enclosed is a pass on the document that Toby sent out. I mostly tried 
> to answer some of his questions and added some comments of my own.
> Here are some general comments:
> It looked like there is some material missing at the end.
> Clearly there needs to be some verbiage added concerning security 
> requirements.
> There needs to be some meat added for the interaction and data models. 
> Perhaps adding in some of the diagrams from the spec will fulfill this 
> requirement.
> We need to give some thought to what we are going to do with the 
> various interfaces, i.e. BACnet versus REST versus SOAP, etc.
> -ed koch
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Rish Ghatikar
Lawrence Berkeley National Laboratory
1 Cyclotron Road, MS: 90-4000, Berkeley, CA 94720
GGhatikar@lbl.gov | +1 510.486.6768 | +1 510.486.6996 [fax]

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