Shibboleth is a single sign-on (log-in) system for computer networks and the Internet. It allows people to sign in using just one identity to various systems run by federations of different organizations or institutions. The federations are often universities or public service organizations.
IP Login is a single sign-on (log-in) system for workstations that belongs to specify networks. It allows users to login automatically via their IP (v4) address ranges or wildcards instead of having to enter a username and password