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Azure Functions VS AWS Lambda: overview and comparison
- 2. Alexander Zyl Senior SoftwareEngineer alex.zyl@outlook.com https://facebook.com/zyl.alex
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- 4. Functions Application Runtime Operating System Virtualization Networking Storage Hardware FaaS Customer Managed CustomerManaged Unit of Scale Provider Managed Functions Application Runtime Operating System Virtualization Networking Storage Hardware Functions Application Runtime Operating System Virtualization Networking Storage Hardware Functions Application Runtime Operating System Virtualization Networking Storage Hardware On Premises IaaS PaaS Functions Application Runtime Operating System Virtualization Networking Storage Hardware SaaS
- 5. FaaS benefits No serversto manage Continuous scalability Cost effectiveness
- 6. • Mobile backend •Serverless websites • Data processing • Event processing • Scheduled tasks Use cases
- 7. Back in 2014 AzureVM (IaaS) Azure App Service (PaaS) AWS Elastic Beanstalk (PaaS) Amazon EC2 (IaaS)
- 8. Azure WebJobs WebJob 3WebJob2WebJob 1 w3wp (SCM) ZipZip Zip App Service Web App w3wp (Main App) Web Application WebJob 4 Zip
- 9. Zero administrative Autoscaling Fine-grained pricing Bringyour own code AWS Lambda
- 10. Functions Apps App ServiceEco-System
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- 13. • Triggered byevent source • On-Demand • Scheduled Function types
- 14. Functions: Azure way Azure subscription Functions app1 Functions app N Func 1 Func 1 Func 2 Func 3 Func 4 Func 5 Configuration Configuration Func 2 Func 3 ...
- 15. Binding: before andafter
- 16. Azure Functions app Azure Functions host Code Dependencies WebJobsSDK Default assemblies Function 1 Function 2 Function 3
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- 18. User OCR Service function OCR Recognition Service Recognizedimages container Email sender function Result message queue Image Sends Stores TriggersSends
- 19. Triggers User OCR Service function Incomingimages container Task Info table New task message queue Image processing function Invokes Task completion topic Email sender function SMS sender function Triggers Triggers Task result container New task poison message queue Poison message processing function Triggers OCR Recognition Service
- 20. Event Models: Pulland Push Pull model: Push model: Event Source Invokes Event Source Polls
- 21. Service Bus Storage queue Storageblob Notification Hubs Connected services Pull model Event models: Azure way
- 22. Push model Bitbucket Azure alert Dropbox LogicApp GitHub Scheduler HTTP Request Event models: Azure way
- 23. Push model Event models:Lambda way Amazon S3 Amazon DynamoDB Amazon Kinesis Amazon SNS Amazon CloudWatch AWS CloudFormation API Gateway Amazon SES Pull model
- 24. Lambda function: • Hasits own unique id (ARN) arn:aws:lambda:eu-central-1:854958518097:function:QueuePoller • Has role with permissions
- 25. AWS Authorization types •Role-based • Identity-based Amazon S3 Amazon DynamoDB AWS STS Role Role AWS STS Permissions User
- 27. Architecture: Azure Functions w3wp(SCM) Azure Functions app w3wp (WebHost app) APIScript Host Event Source Event Source Event Source
- 28. AWS Lambda infrastructure Containerpool Functions Container Wraps Executes Wraps Goes to pool Architecture: AWS Lambda
- 29. Features comparison Azure FunctionsAWS Lambda Input/Output binding - Deep integration with other services Multiple trigger source HTTP functions out-of-the box Automatic package restore support Code sharing Call function from another function + IDE support - + Number of supported languages 7 3 Wide list of deployment options + - Debugging Local/Remote Local Testing Local/Remote Local/Remote
- 30. AWS Lambda documentation: https://aws.amazon.com/documentation/lambda/ AzureFunctions documentation: https://azure.microsoft.com/en-us/documentation/services/functions/ SDK repositories: https://github.com/Azure/azure-webjobs-sdk https://github.com/Azure/azure-webjobs-sdk-script https://github.com/Azure/azure-webjobs-sdk-extensions Resources
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