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74 Chapter 2
Introduction to SNAplus2
SNAplus2 Components
SNAplus2 Components
The components of SNAplus2 and their relationships are shown in
Figure 2-6, “Components of SNAplus2.”
Figure 2-6 Components of SNAplus2
The local node—including its associated connectivity resources (DLCs,
ports, and link stations)—is implemented as a set of STREAMS
components in the kernel of the HP-UX system.
The 3270 emulation program, RJE workstation, APPC transaction
programs, CPI-C applications, LUA applications, and the remote
command facility (RCF) are user-space programs. SNAplus2 supports
multiple copies of the 3270 and 5250 emulation programs, and multiple
APPC TPs, CPI-C applications, and LUA applications running
concurrently.