Space Link Extension - Service Management - CCSDS

DRAFT RECOMMENDED STANDARD FOR SPACE LINK EXTENSION SERVICE MANAGEMENT
sd Document Exchange Protocol {SleSmMessageSet, sender, receiver}
sender
SleSmMessageSet
receiver
alt
[if message set is not syntactically valid or authorized]
UnrecognizedMessageSetResponse exception response
[else]
alt
[if the message set contains any invocations that are out-of-sequence
or that invoke operations that are not supported by the receiver,
or any notifications that are not supported by the receiver]
loop
[for each message that is: an invocation that is out-of-sequence;
an invocation that invokes an operation that is not supported by the receiver; or
a notification that is not supported by the receiver]
InvalidMessageResponse exception response
[else]
No exception response is provided to the sender if the message set is valid and every
contained message is: (a) a valid and in-sequence invocation, (b) a valid notification,
(c) a return, or (d) a confirmation
Figure 3-3: SLE-SM Document Exchange Protocol Sequence Diagram
sd Send Message {message, messageSender, messageReceiver}
messageSender
messageReceiver
ref
Document Exchange Protocol (SleSmMessageSet containing message,
messageSender, messageReceiver)
Figure 3-4: SLE-SM Send Message Sequence Diagram
CCSDS 910.11-R-2 Page 3-10 March 2008