AWS EventBridge (Cloudwatch events)

• implement architecture when
  • schedule: at Y times
  • Event pattern: X happens
  • Trigger: trigged by Z (e.g. Lambda, SQS, SNS)
• Cloudwatch events = stream events
• eventBridge is replacing Cloudwatch events
  • handle 3rd parties and custom action as well
• ”event bus” is a stream of events (default only 1 and not visible), event bridge can have additional event buses
  • can be accessed by other AWS accounts using resource-based policies
    • events from another AWS account or regions
  • can archive events (all/ with filters) and send to an event bus
  • can replay archive events for bugs fixing
  • Eventbridge can inder the schema of events and let schma registry allows you to generate code for your application (can be versioned)
• eventBridge monitor the event bus with rule match incoming events/ schedules, the event could be routed to target (eg invoke Lambda function)
• resource-based policy

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