OSI/AS Configuration and Management Manual

OSI/AS Configuration and Management Manual—424119-001
7-1
7
OSI/AS Subsystem Description
To understand the interaction of the OSI/AS subsystem components when configuring,
monitoring, or troubleshooting, you must first have a good understanding of each of the
processes that relate to OSI/AS:
•
OSI manager process (OSI/AS)
•
TAPS process (OSI/AS)
•
TSP process (OSI/TS)
•
NSP process: X25AM or TLAM on D-series releases and PAM on G06 and above
releases
This section provides a high-level description of the main functions of each OSI layer,
as provided by the Compaq OSI/AS and OSI/TS processes. A brief discussion is also
included on the NSP functions provided by TLAM or PAM and X25AM. The following
topics are included:
•
OSI Layer Information Flow on page 7-2
•
Connection Phases on page 7-3
•
Application Program Interface (API) on page 7-4
•
TAPS Process on page 7-5
•
TSP Process on page 7-9
•
NSP Process: X25AM on page 7-11
•
NSP Process: TLAM on page 7-12
•
NSP Process: PAM on page 7-12