Event-Driven Architecture

  1. Event Fundamentals
    1. Event Concepts
      1. Definition of Events
        1. Events as State Changes
          1. Event Immutability
            1. Event Lifecycle
            2. Event Structure and Anatomy
              1. Event Headers
                1. Event Identifier
                  1. Timestamp Information
                    1. Event Type Classification
                      1. Source Identification
                        1. Correlation Identifiers
                          1. Partition Keys
                            1. Version Information
                              1. Custom Metadata
                              2. Event Payload
                                1. Data Structure Design
                                  1. Payload Size Considerations
                                    1. Serialization Requirements
                                      1. Schema Definitions
                                    2. Event Classification
                                      1. Domain Events
                                        1. Business Process Events
                                          1. Entity State Changes
                                            1. Aggregate Events
                                            2. Integration Events
                                              1. Cross-System Communication
                                                1. External System Notifications
                                                  1. API Gateway Events
                                                  2. Infrastructure Events
                                                    1. System Health Events
                                                      1. Performance Metrics
                                                        1. Error and Exception Events
                                                        2. Notification Events
                                                          1. User Notifications
                                                            1. Alert Messages
                                                              1. Status Updates
                                                            2. Event Granularity
                                                              1. Fine-Grained Events
                                                                1. Coarse-Grained Events
                                                                  1. Event Aggregation Strategies
                                                                    1. Trade-offs in Event Size

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                                                                  1. Introduction to Event-Driven Architecture

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                                                                  3. Core Components and Roles