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Revision 10 10-32 450-SNUG
Message
Category
User Schedule
Messages
Note: User
schedule
messages are
normally used
during scheduling
operations, but
may also be used
during real-time
emergency
operations
Message
Type/
Class
Table 10-11. Real-time Message Flow Between the NCCDS and MOCCs
94/01 Normal Support – Fixed
Schedule
94/02 Premium Support – Fixed
Schedule
94/03 Simulation Support –
Fixed Schedule
94/04 Normal Support –
Flexible Schedule
94/05 Simulation Support –
Flexible Schedule
99/01 Schedule Delete
Notification
99/02 Schedule Result
Message
Message ID Message Generation
Frequency
Messages from the NCCDS to the MOCCs
Message Generation Conditions Destination System Response
Forecast schedule or routine active
period update-- event is fixed
Schedule add with a lead time of 10
to 45 minutes of event start time –
event is fixed
Forecast schedule or routine active
period update – event is fixed
Forecast schedule or routine active
period update – event retains
flexibility
Forecast schedule or routine active
period update – event retains
flexibility
Event deleted during active period
Note: Applicable only for baseline
customers
NCCDS reports disposition of MOCC
submitted schedule request
Real-time GCMs 98/01 GCM status GCMR rejected by either the NCCDS
or the GT, or accepted by the GT
98/02 GCM disposition GT GCM receipt acknowledgment
received by NCCDS
Update schedule database
Update schedule database
Update schedule database
Update schedule database
Update schedule database
Update schedule database
Update schedule database.
Declined request may be
changed and resubmitted by
MOCC