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
8-5
A Brief Look at OSI
Figure 8-2 shows the HP NonStop OSI products, X25AM, PAM, HP NonStop TCP/IP,
and the ServerNet LAN systems access (SLSA) subsystems.
Figure 8-2. HP NonStop OSI Products
Transport
Data Link
Physical
Layer
Application
Presentation
Session
LAN
WAN
X25AM
Subsystem
Network
WAN
SWAN
Concentrator
X25AM
Subsystem
LAN
LAN
Adapter
OSI/FTAM
Subsystem
OSI/MHS
Subsystem
Other OSI/AS
Applications
OSI/AS
Subsystem
OSI/TS
Subsystem
OSI/TS
Applications
SWAN
Concentrator
SLSA
Subsystem
SLSA
Subsystem
PAM
Subsystem
PAM
Subsystem
VST903.vsd
NonStop TCP/IP
Subsystem
LAN
Adapter