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CAS was born at Yale University and Yale continues to contribute to the renewed JA-SIG CAS efforts. |
Yale University uses CAS as its preferred method for all web-based authentication. Kerberos is the backing authentication mechanism. In the case of a CAS server outage, a hot backup is ready to go in another machine room on campus. Failover is accomplished simply by bringing this machine up with the same IP address as the main CAS server. More than ten thousand users; millions of tickets vended. We run a second CAS server instance for applicants, with its own userid namespace, backed by a different Kerberos realm.
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