Although it is possible to perform file transfers between the client and the host system using $INDFILE or other mechanisms, APPC file transfers offer a robust and high performance alternative to emulator-based solutions.
SNA Server supports three host file transfer mechanisms based on APPC connectivity:
The file transfer method that you choose to deploy is dependent on the type of host system in your enterprise (mainframe or AS/400) and type of file transfer capabilities you want to provide your users.