Importance

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Abstract

An apparatus, system, and method are disclosed for facilitating authenticated communication between authentication realms. The present invention includes an authentication gateway configured to authenticate a principal using a first authentication protocol. The first authentication protocol may be one of a variety of authentication protocols. A generator in communication with the authentication gateway generates a foreign realm authentication token that is compatible with a second authentication protocol and configured for inter-realm communication. A foreign realm authentication module then authenticates the principal to access services of a foreign realm using the foreign realm authentication token. The authentication is performed by the foreign realm authentication module in accordance with the second authentication protocol. The first authentication protocol may be a non-Kerberos protocol and the second authentication protocol may be a Kerberos protocol.

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First Claim