April 2008
Getting profile information rather than just authentication
by nhoizey
CAS is a Web based local single signon. Shibboleth is a cross-university authentication and attribute system that doesn't have its own local signon. In order to use Shibboleth, you have to first have a local system like CAS.
June 2007
Shibboleth (Internet2) - Wikipedia, the free encyclopedia
by wabaus
The Shibboleth SSO protocol from the Internet2 consortium, in version 1.3 now as an implementation (profile) of SAML 2.0
SAML - Wikipedia, the free encyclopedia
by wabaus
An internet standard for single sign-on. Version 2.0 now encompasses SAML 1.1 as well as Liberty Alliance ID-FF 1.2 and Internet2 Shibboleth 1.3 as distinct implementations (profiles).
September 2006
Shibboleth Project - Internet2 Middleware
by nhoizey & 3 others (via)
Shibboleth is standards-based, open source middleware software which provides Web Single SignOn (SSO) across or within organizational boundaries. It allows sites to make informed authorization decisions for individual access of protected online resources in a privacy-preserving manner.
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