Source: medium.com
What is AWS Lambda & Amazon API GatewayCategory: Database, Data
As you know from the Cloud Computing Basics, there are 3 types of Cloud Service model; IaaS(Infrastructure as a Service), PaaS(Platform as a Service) and SaaS(Software as a Service). Recently, cloud providers have improved the PaaS service and developed the FaaS service, which allows only customers’ code to run as a function.
Instead of launching an EC2 instance to run your code on it, you can just deploy your code in Lambda services and you can get the same result.
Then, when the resource changes, Lambda will execute your function and manage the computing resources as needed in order to keep up with incoming requests.
As you see, the Lambda function can be triggered by custom events generated by your applications/ devices or another Lambda Function.
Instead of launching an EC2 instance to run your code on it, you can just deploy your code in Lambda services and you can get the same result.
Then, when the resource changes, Lambda will execute your function and manage the computing resources as needed in order to keep up with incoming requests.
As you see, the Lambda function can be triggered by custom events generated by your applications/ devices or another Lambda Function.
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