OSI PICS Manual

Introduction
Tandem OSI PICS Manual–135046
1-5
Relationship of Products to OSI Reference Model
Relationship of Products to OSI Reference Model
Figure 1-1 shows the relationship of the Tandem OSI-related products to each other and
to the OSI Reference Model. The figure also illustrates the application interfaces provid-
ed by each product. These interfaces allow your application to programmatically access
the services of a particular product and to perform higher-level protocol functions.
Figure 1-1. Tandem OSI-Related Products
001
Layer 1
Physical Layer
Layer 2
Data Link Layer
Layer 3
Network Layer
Layer 4
Transport Layer
Layer 5
Session Layer
Layer 6
Presentation Layer
Layer 7
Application Layer
(ACSE)
LAN
X.25 Network
LAN controllers WAN controllers
TLAM
X25AM
OSI/TS
OSI/AS
OSI/MHS OSI/FTAM
Your Applications
Legend
Functions you provide
Functions Tandem products provide