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Subject: WS-DD, WS-DP and Soap over UDP
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These standards are currently out for n OASIS vote and I
urge you to urge your company representative to vote for them as OASIS
Standards. You can see some of my thoughts as these standards started
out at http://www.newdaedalus.com/articles/2008/9/19/standards-buzz-ws-dd-dp-ipso-et-and-internet-0.html WS-DD standardizes device discovery for web services. This
standard will be on consumer electronics soon. Associating this standard with
oBIX controlled systems can be a path to bring building systems into the
enterprise fold WS-DP standardizes device profiles. DP offers a potential
path for energy profiles defining how much and under what circumstances a system
[device] could shed load. Such a standard could unite oBIX-controlled devices and
such other standards as energywise profiles and Zigbee energy profiles inrt a
common framework for smart grid activities. DP defines the interactions only,
Potential payloads for energy profiles (or any other profiles for building
automation) are entirely undefined. The light-weight discoverability defined in the SOAP
over UDP standard can apply nicely to the oBIX realm. The oBIX server is a
natural place to centralize local discovery and to provide a registry for
secure external discovery as defined in these documents. The smart grid is re-defining scalability of very large
numbers of loosely coupled systems. A smart electrical grid is only as
smart as the systems it interacts with, including smart buildings. Those
buildings will have more kinds of systems in them than today, including
distributed generation and energy storage. This will quickly become too
complicated and diverse a landscape for the top down, device oriented, deeply
integrated, hierarchical control that has characterized electrical power
in the US. Instead we will have, in my view, a smart building agent,
communicating with the grid, but responsible to the enterprise/inhabitants in
the building, and operating that building to be enterprise responsive first,
and thereby energy responsive to the grid(s). This will require
discoverability, and abstraction, and shallow interactions, i.e., SOA. I urge you to vote yes on these standards. tc "It is the theory that decides what can be observed." - Albert Einstein
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