Event-Driven Microservices

  1. Event Design and Structure
    1. Event Anatomy
      1. Event Headers
        1. Event ID
          1. Timestamp
            1. Event Type
              1. Source Service
                1. Correlation ID
                  1. Version Information
                    1. Trace Context
                    2. Event Payload
                      1. Business Data
                        1. State Information
                          1. Metadata
                        2. Event Schema Design
                          1. Schema Definition
                            1. Contract-First Design
                              1. Consumer-Driven Contracts
                                1. Schema Validation
                                2. Schema Languages and Formats
                                  1. Apache Avro
                                    1. Protocol Buffers
                                      1. JSON Schema
                                        1. XML Schema
                                          1. OpenAPI Specifications
                                          2. Schema Evolution
                                            1. Versioning Strategies
                                              1. Backward Compatibility
                                                1. Forward Compatibility
                                                  1. Breaking Changes Management
                                                    1. Schema Registry Usage
                                                    2. Event Types and Classifications
                                                      1. Domain Events
                                                        1. Integration Events
                                                          1. Notification Events
                                                            1. Command Events
                                                              1. System Events
                                                                1. Compensating Events

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                                                              2. Microservices Architecture Foundations

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                                                              4. Event-Driven Patterns and Architectures