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CS/AIX can be used to support direct communication with a host or another SNA node, within a LAN to support SNA communications across the LAN, or as a gateway to support communication between a host and systems in a LAN.
A computer running CS/AIX that communicates directly with a host computer is shown in Figure 13.
Figure 13. CS/AIX Node That Communicates Directly with a Host
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Several CS/AIX nodes configured as an APPN network are shown in Figure 14. SNA is used for peer communication within the LAN as well as over the SDLC link.
Figure 14. CS/AIX Nodes in an APPN Network
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In Figure 15, a server with CS/AIX is configured as an APPN network node that implements SNA gateway to provide connectivity between a host computer and the computers in an APPN network. The CS/AIX node also implements passthrough DLUR to support sessions between LUs on the host (the upstream node ) and LUs on the nodes in the APPN network (downstream nodes ).
Figure 15. CS/AIX Node Providing SNA Gateway and DLUR
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In Figure 16, a computer running CS/AIX provides TN server support for TN3270 and TN3270E clients. The TN server node and the clients communicate through the TCP/IP network.
Figure 16. CS/AIX Node Configured for TN Server
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These examples show the most basic ways in which you can configure CS/AIX nodes. By combining nodes using these basic configuration types, you can use CS/AIX to support different types of communication within more complex networks.