Microsoft Technology Licensing, LLC

Shuang Lu

Victor Boctor

Oren Jordan Melzer

Kamen Kamenov Moutafov

Anirban Basu

Sarvani Kumar Bhamidipati

Techniques are described herein that are capable of dynamically failing over authentication traffic to a backup authentication system by a proxy system. An authentication request, which requests authentication of a principal, is received at the proxy system. The authentication request is directed to a primary authentication system. A determination is made, by the proxy system, that the primary authentication system is incapable of providing a valid response to the authentication request. The backup authentication system is caused, by the proxy system, to authenticate the principal using an authentication package received from the primary authentication system by dynamically routing the authentication request to the backup authentication system as a result of the primary authentication system being incapable of providing a valid response to the authentication request.

Proxy configured to dynamically failover authentication traffic to a backup authentication system

Techniques are described herein that are capable of using an authentication package from a primary authentication system to authenticate a principal by a backup authentication system. The authentication package includes an authentication artifact, which is signed with a cryptographic key by the primary authentication system and which includes claim(s) that are usable to authenticate the principal, and further includes metadata. The metadata includes credential verification information that is usable to verify a credential of the principal and a first principal identifier that identifies the principal. A request to authenticate the principal is received at the backup authentication system. The request includes the credential and a second principal identifier that identifies the principal. The principal is authenticated by the backup authentication system by verifying the credential using the credential verification information and further by determining that the first principal identifier corresponds to the second principal identifier.

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Bellevue, WA, United States of America

Shuang Lu