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Description / Abstract:
With respect to the OSI network model, the Smart Energy Profile
2.0 Application Protocol is built using the four layer Internet
stack model. This specification defines the 'APPLICATION' layer
with TCP/IP providing functions in the 'TRANSPORT' and 'INTERNET'
layers. Depending on the physical layer in use (e.g., 802.15.4,
802.11, 1901), a variety of lower layer protocols may be involved
in providing a complete solution. Generally, lower layer protocols
are not discussed in this document except where there is a direct
interaction with the application protocol. The scope of this
document is defining the mechanisms for exchanging application
messages, the exact messages exchanged including error messages,
and the security features used to protect the application
messages.
Purpose
The purpose of this document is to define the application
protocol used by the Smart Energy Profile release 2.0. The Smart
Energy Profile Application Protocol 2.0 is designed to meet the
requirements stated in the Smart Energy Profile 2.0 Marketing
Requirements Document (SEP 2 MRD) [ZB 09-5162] and the Smart Energy
Profile 2.0 Technical Requirements Document (SEP 2 TRD) [ZB
09-5449]. Per Req[DataModel-1], this application protocol
is an IEC 61968 common information model [61968] profile, mapping
directly where possible, and using subsets and extensions where
needed, and follows a RESTful architecture [REST].