
The Evolution of Multi-Tenant Identity Management Systems Architecture
Visual Overview: sequenceDiagram participant User participant SP as Service Provider participant IdP as Identity Provider User->>SP: 1. Access Protected Resource SP->>User: 2. Redirect to IdP (SAML Request) User->>IdP: 3. SAML AuthnRequest IdP->>User: 4. Login Page User->>IdP: 5. Authenticate IdP->>User: 6. SAML Response (Assertion) User->>SP: 7. POST SAML Response SP->>SP: 8. Validate Assertion SP->>User: 9. Grant Access In the ever-evolving landscape of software development, multi-tenant identity management systems have become a cornerstone for modern applications, especially those built on the SaaS (Software-as-a-Service) model. These systems enable organizations to securely manage user identities and permissions across multiple tenants while maintaining scalability, performance, and security. In this blog post, we will explore the architectural evolution of multi-tenant identity management systems, highlighting the key challenges, solutions, and best practices that have shaped this critical component of modern software architectures. ...