Building Event Driven Integration Architectures
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This document discusses event-driven integration architectures and event processing platforms. It defines different types of events and compares messaging models. Popular event streaming platforms like Apache Kafka, Amazon Kinesis, Solace, Azure Event Hubs and Event Grid are described. The document compares features of these platforms and provides examples of publishing logging events and using events to trigger functions. It concludes with references for further reading on event-driven integration patterns.
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Building Event Driven Integration Architectures
- 1. Building Event-Driven Integration Architectures Dan Toomey @daniel2me
- 2. Who am I? โข Principal Consultant, Mexia โข Microsoft Azure MVP โข MCSE, MCT, MCPD, MCTS BizTalk & Azure โข Pluralsight Author โข www.mindovermessaging.com โข @daniel2me
- 3. What is an Event? http://www.news.com.au
- 4. Types of Events https://www.biztalk360.com/integrate-2018-resources/eventing-serverless-and-the-extensible-enterprise/ Discrete Independent Report state change Actionable Series Time based Context partitioned Report condition Analyzable
- 5. Event Driven vs. Event Sourcing https://martinfowler.com/articles/201701-event-driven.html Event Notification Broadcast state changes No expectation from consumer Decoupled logic Event Sourcing Persist state changes Auditability Replay capability
- 10. Messaging Models
- 11. Messaging Models Telephone/Website โข Synchronous โข Need information immediately Order โข Asynchronous โข Takes time to complete a task; CQRS Subscription โข Publish / Subscribe โข Decoupling; flexibility; extensibility; scalability
- 12. Messaging vs. Eventing https://www.biztalk360.com/integrate-2018-resources/eventing-serverless-and-the-extensible-enterprise/ Messaging - INTENTS Expectations Conversations Contracts Control Transfer Value Transfer Eventing - FACTS History Context Order Schema
- 14. https://cloudevents.io/ Serverless Working Group https://github.com/cloudevents/spec CNCF CloudEvents
- 15. CNCF CloudEvents { "cloudEventsVersion" : "0.1", "eventType" : "com.example.someevent", "source" : "/mycontext", "eventID" : "A234-1234-1234", "eventTime" : "2018-04-05T17:31:00Z", "extensions" : { "comExampleExtension" : "value" }, "contentType" : "text/xml", "data" : "<much wow="xml"/>" }
- 16. Example: Logging Event Publication
- 17. Example: Logging Event Publication (Series)
- 19. Apache Kafka Image from https://kafka.apache.org/intro
- 20. Amazon Kinesis Image from https://aws.amazon.com/kinesis/data-streams/getting-started/
- 21. Solace
- 22. Azure Event Hubs Image from https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-about
- 23. Azure Event Grid
- 24. Product Comparison Kafka Kinesis Solace Event Hubs Event Grid Cloud / On-Prem Both Cloud Only Both Cloud Only Cloud Only Managed Service ๏ ๏ ๏ ๏ ๏ Auto-Scaling ๏ ๏ ๏ ๏ Replay ๏ ๏ ๏ ๏ ๏ Event Sourcing ๏ ๏ ๏ ๏* ๏ Integrations Kafka AWS services Open Source connectors available Azure services, Kafka Azure services, anything via HTTP/Webhooks Protocols Kafka HTTP HTTP, AMQP,MQTT, JMS, Web Sockets, Native HTTP, AMQP, Kafka HTTP Open Source ๏ ๏ Closed source, but open protocol ๏ ๏ Max Message Size No Limit 1MB No Limit 256K 64K *via archiving
- 26. Storage Blob Event Grid Webhook Webhook Storage Event Subscription ext = *.jpg Subscription ext = *.pdf
- 28. Microsoft Azure Resource Group Event Grid Azure Function Logic App Virtual machine Storage table Outlook Connector Azure Function Administrator