Design Pattern for Federated Single Sign-On Access

A Design Pattern provides a scheme for refining the subsystems or components of a software system, or the relationships between them
Design Pattern provides a scheme for refining the subsystems or components of a software system, or the relationships between them. It describes commonly recurring structure of communicating components that solves a general design problem within a particular context. Architectural patterns are similar to software design patterns but have a broader scope. The architectural patterns address various issues in software engineering, such as computer hardware performance limitations, high availability and minimization of a business risk.

Federated SSO The Industry Standard OASIS is SAML 2.0 with Organizational Standard of assertions use SAML 2.0 Post Bindings. Supported use cases are (1) IdP Initiated; (2) SP Initiated; (3)IdP Trusted; (4) SP Real-Time Registration;
Preference is to Sign both the SAML Assertion Request & Response. With PII data, entire xml must be encrypted end-to-end over the SOAP channel.
SP=Service Provider | IdP=Identity Provider

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