The sequence diagrams in the figures in this Section 5.5 illustrate the generic processing stages and common processing requirements, where a Device is operated via the DCC, for each of:
SME.C.C: Critical Remote Party Command to a Device and the corresponding Remote Party Response (Figure 5.5a);
SME.C.NC: non Critical Remote Party Command to a Device from a Known Remote Party and the corresponding Remote Party Response (Figure 5.5b);
SME.A.C: Critical Alert from a Device (Figure 5.5c); and
SME.A.NC: non Critical Alert from a Device (Figure 5.5d).
Note that only those parts of the sequence diagrams within yellow notes boxes are within the scope of the GBCS. The steps outside such boxes are provided for context and, where mandated, are mandated through mechanisms outside the GBCS, for example the Smart Energy Code.
For DCC managed Devices, the DSP would operate the services that provide (1) Access Control Broker, (2) Transform Service and (3) Transitional Change of Supplier. The CSPs would fulfil the role of WAN Provider.