Web Services Discovery and Web Services Devices Profile. Toby Nixon Co-Chair, OASIS WS-DD TC [email protected] Networked Device Standards. … there are so many to choose from!”. “The Great Thing about Standards is…. Industry Challenges.
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… there are so many to choose from!”
“The Great Thing about Standards is…
Work on any physical network
Standard protocols: TCP/UDP/IP, HTTP, XML
Not platform- or runtime-specific
Scalable from smallest device to the internet
Extendable by vendors and orgs
Excellent development tools from many vendors, and many trained developers
Many infrastructure components available
Leverage industry investments
Addressing – automatic assignment
Discovery – automatically find devices
Description – what can the device do?
Control – invoke device functions
Eventing – monitor device state
Presentation – use device’s web interface
Security – authentication, integrity, privacy
Actions defined in the service WSDL are invoked using SOAP over HTTP
Responses returned using SOAP over HTTP
SOAP / UDP
SOAP / HTTP
Point of Service