In a microservices architecture, how would you implement centralized authentication and decentralized authorization?
- Implement OAuth 2.0 for both authentication and authorization in a centralized manner.
- Implement a centralized identity provider service for authentication and use tokens for authorization across services.
- Implement separate authentication mechanisms for each microservice and delegate authorization logic to each service individually.
- Use JWT tokens for both authentication and authorization across microservices.
In a microservices architecture, centralized authentication involves having a single identity provider service responsible for authenticating users across all microservices. Decentralized authorization means that each microservice handles its own access control based on the tokens provided during authentication. This approach ensures that authentication is centralized for consistency while allowing individual services to enforce their own authorization rules.
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