Event Driven Architecture

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Event Driven Architecture https://pranaysuresh.com/ https://www.linkedin.com/in/pranaysuresh/

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Event Driven Architecture Examples: ● Integrating heterogeneous systems ● Data replication cross-region ● Monitoring ● IoT

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Components of EDD Event Producer Queue Consumer Messaging patterns

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Event Envelope Event payload Standards (https://cloudevents.io/) Packed binary Schema registry

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Producer/Consumer Authentication Subscription Creation of event Retries

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Queues Persistent queues Ephemeral queues Supercharged sockets Framing protocol over X

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Messaging Patterns Logging Command One-to-many Round robin Filtered routing

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EDA Things to consider ● Ordering ● Push/Pull ● QoS ● Offline IoT devices ● Filtering ● Poor connectivity on the device ● Serverless ○ Closed (AWS lambdas, azure functions etc.) ○ Open (eg Kubeless)

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EDA some more things to consider... ● Cert rotation ● Loops ● Monitoring ● Scaling ● Plumbing

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AWS EventBridge Demo

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THANK YOU!

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Resources https://cloudevents.io/ https://github.com/cloudevents/spec/blob/v1.0/spec.md https://google.github.io/flatbuffers/flatbuffers_guide_tutorial.html https://aws.amazon.com/eventbridge/ https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html https://kafka.apache.org/documentation/ https://aws.amazon.com/blogs/iot/understanding-the-aws-iot-security-model/ https://kubeless.io/