HP-UX SNAplus2 NOF Programmer's Guide

Introduction to the NOF API
SNAplus2 Resources
Chapter 1 59
include the SNAplus2 computer and its host communications link; the
LUs at the downstream computers are configured as part of the
resources of the SNAplus2 computer. The host computer is not aware
that PU concentration is being used.
TN Server
SNAplus2 TN server provides access to 3270 host computers for TN3270
users on other computers. The TN server feature enables TN3270 users
to share a host connection with SNAplus2 or with other TN3270 users,
instead of requiring a direct link. It also enables TN3270 users to access
hosts that are not running TCP/IP.
Figure 1-3 illustrates the SNaplus2 TN server function.
Figure 1-3 SNAplus2 TN Server