OSI/FTAM Programming Reference Manual

Introduction to NonStop OSI/FTAM
HP NonStop OSI/FTAM Programming Reference Manual—528611-001
1-12
OSI/AS, OSI/TS, and TLAM or X25AM Subsystems
OSI/AS, OSI/TS, and TLAM or X25AM Subsystems
Figure 1-6 on page 1-13 focuses on the NonStop OSI underlying services. To
communicate over OSI networks, NonStop FTAM uses the services of the NonStop
OSI/AS and OSI/TS subsystems, and either the HP Tandem LAN Access Method
(TLAM) or the X.25 Access Method (X25AM), as shown.
Figure 1-5. NonStop FTAM and the DSM Interface
VST0105.vsd
Remote
FTAM
Responder
Communications Network
OSI/AS
OSI/TS
TLAM or X25AM
4
NonStop FTAM
Guardian
File System
EMS
PTRACE
SCF
SCP
DSM
Application
Programmatic
Interface
Remote
FTAM
Initiator