The Multi-Context Broker Model is an older pattern for orchestrating among multiple authentication contexts and methods. In almost all cases, you should ignore this material in favor of the new MFA login flow.

The following older articles describe how the Multi-Context Broker Model can be configured in Identity Provider 3.

• The Multi-Context Broker Model
• Configuring the IdP for the Multi-Context Broker Model
• David Langeberg's Replicating Multi-Context Broker Functionality (Duo + Username/Password with user-opt-in forcing Duo) for InCommon Silver and Duo Security MFA