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WS-FederationWeb Services Federation Language
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The companies said WS-Federation does not compete with the Liberty Alliance Project's work on federated identity.
Microsoft claims WS-Federation accepts multiple assertions as does Liberty, but using Liberty, an ISV or Liberty must first write a SAML assertion for X509, Kerberos or Passwords adding a layer of potential complexity.
Liberty is composed of some strong companies and so it is unlikely to simply allow itself to be "converged" with WS-Federation, as IBM and Microsoft wish.
Representatives for the organization spoke after IBM and Microsoft spent Wednesday morning evangelizing for WS-Federation, the latest milestone in the companies' WS- roadmap for secure, reliable web services messaging and identity.
IBM and Microsoft demonstrated interoperability of WS-Federation at the Burton Group's Catalyst Conference in San Francisco, California.
The demonstration illustrated the potential for PC and browser-based users to securely access ordering and supply data held in different systems with single sign-in via WS-Federation.
<p>Novell released version 3.1 of its Access Manager with support for the WS-Federation protocol that is prominent in Microsoft's Active Directory Federation Services and its forthcoming Geneva identity platform for the cloud.
Representatives for IBM and Microsoft believe elements from their WS- roadmap, including WS-Federation announced yesterday, can be incorporated into Liberty's work on federated identity, encouraging convergence.
The companies spoke after announcing WS-Federation and ahead of today's expected demonstration of WS-Federation, the latest installment in the companies' XML-based WS- roadmap of specifications outlined in April 2002.
Today's demonstration is designed to illustrate WS-Federation's interoperability between IBM Directory, Tivoli Access Manager running on Linux and the WebSphere runtime and Microsoft's Windows running Active Directory.
The companies will also announce backing for WS-Federation from BEA Systems Inc, RSA Security and Verisign Inc at the Burton Group's Catalyst 2003 conference in San Francisco.
Microsoft said WS-Federation would define mechanisms that allow developers to manage and establish trust relationships across companies and domains that use different types of security systems, including support for federated identities.