NonStop S-Series Server Description Manual (G06.27+)

Input/Output Operations
HP NonStop S-Series Server Description Manual—520331-004
10-21
Application of Communications Queues
Figure 10-10. Communications Queues Are Unidirectional and Paired
ServerNet
Hardware
Comm
Monitor
Other Resource
Controller
Command
Controller
Indication
or
Completion
RX Indication
RX Buffers
TX Completion
TX Command
“Comm line has sent a
message to a buffer”
“Use these buffers when
sending messages to me”
“I have pulled and sent your
message to a comm line”
“Message in my buffer needs
to go to a comm line”
Controller
Memory
Processor
Memory
Commands
Affecting
One
Resource
(Example:
one
comm line
or circuit)
VST356.vsd