Introduction to Networking for NonStop S-Series Servers

Open Systems Interconnection (OSI) Network
Connections
Introduction to Networking for HP NonStop S-Series Servers—520670-005
8-12
Message Handling System (OSI/MHS)
Figure 8-4. OSI/MHS Processes and Interfaces
RTS RTS RTS RS
MS MS MS
MRP MRP MRP
OSI/AS
X25AM or PAM
Remote UA
Remote MTA
MS
Logical
MTA
Legend
MS
MTA
MRP
RTS
RS
=
=
=
=
=
Message Store
Message Transfer Agent
Message Relay Process
Reliable Transfer Service
Remote Operations Service
OSI/AS
OSI/TS
X25AM
PAM
=
=
=
=
OSI Application Services
OSI Transport Services
X.25 Access Method
Port Access Method
NonStop TCP/IP
OSI/TS
VST049.vsd
NonStop S-series Server
with Transfer Gateway