NonStop S-Series Server Description Manual (G06.24+)

Interprocessor Communication
HP NonStop S-Series Server Description Manual—520331-003
9-3
Interprocessor Protocols
might be the file system and thus not a process at all. The processes shown are
generic representations for all such cases.
For convenience of reference throughout this section, the processor containing the
linker process is called the linker processor and the processor containing the listener
process is called the listener processor.
Figure 9-1. Interprocessor Communication Involves Multiple Levels of Protocol
ServerNet
Hardware
Linker’s
Buffer
Listener’s
Buffer
Linker
Process
Message
System
Listener
Process
Message
System
Linker-Listener
Protocol
Message System
Protocol
Message Transfer
Protocol
Push
Pull
Pull
Push
Linker Processor Listener Processor
Data Data
ServerNet
Services
Msg Sys
Driver
Msg Sys
Driver
ServerNet
Services
Bus Transfer Engine,
Access Validation
and Translation
( BTE and AVT)
Bus Transfer Engine,
Access Validation
and Translation
( BTE and AVT)
VST338.vsd