Event-Driven Architecture

7.

System Design and Implementation

7.1.

Event-Driven System Architecture

7.1.1.

System Boundaries

7.1.2.

Service Decomposition

7.1.3.

Event Flow Design

7.1.4.

Integration Points

7.2.

Consumer Design Patterns

7.2.1.

Idempotent Consumers

7.2.1.1.

Idempotency Strategies

7.2.1.2.

Duplicate Detection

7.2.1.3.

State Management

7.2.2.

Stateful vs Stateless Consumers

7.2.3.

Consumer Scaling Strategies

7.2.4.

Error Handling Patterns

7.3.

Data Consistency Strategies

7.3.1.

Eventual Consistency Models

7.3.2.

Consistency Boundaries

7.3.3.

Conflict Resolution

7.3.4.

User Experience Design

7.4.

Transactional Patterns

7.4.1.

7.4.1.1.

Implementation Approaches

7.4.1.2.

Database Integration

7.4.1.3.

Failure Scenarios

7.4.2.

7.4.3.

Distributed Transaction Management

7.4.4.

Two-Phase Commit Limitations

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8. Technology Stack and Implementation