The following operating system versions are supported as Tectia Server for IBM z/OS platforms:
z/OS 1.10, 1.11, and 1.12
1 GB RAM for hundreds of simultaneous tunnels
Minimum 200 MB free disk space, 250 cylinders (includes client components)
During installation, an additional 300 MB of temporary disk space is required.
CD-ROM drive on a PC with a network connection to mainframe, in case you want make the installation from a CD disk.