I am a consultant and this is one of the solutions that I implement for my clients.
It is used for the federation integration of the whole organization.
PingFederate is an enterprise federation server that enables user authentication and single sign-on. It serves as a global authentication authority that allows employees, customers and partners to securely access all the applications they need from any device. PingFederate easily integrates with applications across the enterprise, third-party authentication sources, diverse user directories and existing IAM systems, all while supporting current and past versions of identity standards like OAuth, OpenID Connect, SAML and WS-Federation. And it can be deployed on-premises or in the cloud, so you can support today’s needs and future-proof your business for tomorrow’s requirements.
Download the Single Sign-On (SSO) Buyer's Guide including reviews and more. Updated: January 2022