!!! Overview
[{$pagename}]  ([WS-Federation]) [{$pagename}] is one of the [Web Service Security Specifications] and [OASIS] standard that provides extensions to [WS-Security] and is an Identity [Federation] specification, developed by a group of companies: [BEA] Systems, [BMC] Software, [Computer Associates] Inc. (along with [Layer 7 Technologies] now a part of [Computer Associates] Inc.), [IBM], [Microsoft], [Novell INC], [HPE] Enterprise, and [VeriSign].Part of the larger Web Services Security framework, WS-Federation defines mechanisms for allowing different security realms to broker information on identities, identity attributes and authentication.Generally, [{$pagename}] has been replaced by [SAML][{$pagename}] is typically referred to when using the [WS-Specifications]

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [WS-Federation|Wikipedia:WS-Federation|target='_blank'] - based on information obtained 2015-04-19