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karthigeyan ravichandran (karthigeyanr)
Common Wealth Bank of Australia

Common Wealth Bank of Australia
karthigeyanr Member since 2017 10 posts
Common Wealth Bank of Australia
Posted: May 16, 2019
Last activity: May 24, 2019

Pega Federated SP server for SAML SSO


We are running a Pega platform which is hosting pega instances for multiple projects. The load balancer is common for the platform but the pega instances are separate for each of the project (i.e. Each of the project will have its own Pega Database)

Problem Statement

SSO setup has to be done separately for each of the projects on the platform though the IDP and the set of attributes returned as part of the SAML response are same. So, we are planning to do a single integration between the IDP and the Pega Platform

Design Approach

Setup a dedicated Pega instance for the platform which will potentially host the ACS endpoints acting as router of the SAML Response

These ACS endpoints will receive the SAML Response from the IDP & route them to the respective tenant of the Pega platform

The tenant will then validate the SAML token and finally authenticates the user

Though the above solution theoretically works but becomes a single point of failure (considering the huge customer base that the ACS has to handle as part of the login flow in a dozen of pega applications)

Also this violates the Pega's OOTB SSO design of having the ACS in the same instance of the SP

Any thoughts on this solution would be highly appreciated.

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