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In this video we are going to see architecture of API Gateway.

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Almost an API gateway is native list services for creating, publishing, maintaining monitoring and

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securing rest HTTP and web socket APIs.

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So you can see the image on the slide that shows API gateway architecture.

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This diagram shows that when we create APIs in Amazon API Gateway, it provides our customers with an

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integrated and consistent developer experience for building a service applications.

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So API Gateway handles all the tasks involved in accepting and processing hundreds of thousands of concurrent

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API calls.

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These tasks include traffic management, authorization and access control monitoring and API version

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management API Gateway acts as a front door for applications to access data, business logic or functionality

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from our backend services.

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For example, workloads running on Amazon, elastic compute cloth to or code running on the ADA, lambda

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or any web application or real time communication applications.

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So we will mainly use API gateway for exposing our Microservices API to the client applications and

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the microservice architectures.