Sun Microsystems SunLink SNA 9.1 PU2.1, Configuration Manual

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C-1
SNA Concepts
C
This appendix contains the following sections:
•
Hierarchical SNA - describes the traditional, host-based hierarchical SNA
(Systems Network Architecture) networks.
•
Peer-to-Peer SNA - describes the distributed, peer-to-peer networks that use
Advanced Peer-to-Peer Networking (APPN).
•
PU2.1 and PU2 Nodes
- describes the differences between PU2.1 and PU2
nodes.
•
LEN and APPN - describes the differences between Low Entry Networking
(LEN) and Advanced Peer-to-Peer Networking (APPN).
•
APPC and LUType 6.2 - describes how the Advanced Program-to-Program
Communication (APPC) architecture defines the LUType 6.2.
For more information about how devices communicate in SNA networks and
the different products that implement SNA communications protocols, refer to
“Other Related Documents” in the Preface and ask your SNA host system
programmer about your SNA installation.
C.1 Hierarchical SNA
The following sections describe the traditional, host-based hierarchical SNA
network.