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AWS · web application · cloud architecture

AWS Three-Tier Web Application

This AWS architecture diagram separates a public web application into edge, web, application and data tiers. Internet traffic reaches Amazon CloudFront, then an Application Load Balancer and an EC2 web tier. The web tier calls an EC2 application tier, which stores relational data in Amazon RDS and files in Amazon S3. The drawing gives teams a compact way to discuss traffic flow and responsibility boundaries before adding more detailed networking controls.

Type Diagramme de réseauNorme Cisco-convention topology iconsMoteur schematex-networkMis à jour 24/09/2026
AWS Three-Tier Web Application
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La demande

“Create an AWS three-tier web application with Internet through Amazon CloudFront and an Application Load Balancer to EC2 web and application tiers, with Amazon RDS and Amazon S3 connected to the application tier.”

Essayez ensuiteAdd a second EC2 web tier instance.Add Amazon ElastiCache connected to the application tier.
Ce que contient ce dessin

Comprenez les décisions qui le sous-tendent.

01Edge delivery

CloudFront receives public HTTPS requests.

02Traffic distribution

The Application Load Balancer routes requests to the web tier.

03Separated data

The application tier uses RDS and S3 for different storage needs.

Use this as a simple three-tier starting point for an AWS web application.

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FAQ

Questions fréquentes

What are the three tiers?

The web tier receives requests, the application tier runs application logic, and the data tier stores application data.

Why place CloudFront at the edge?

CloudFront receives public web requests before they continue to the application load balancer.

What storage services are shown?

The example uses Amazon RDS for relational data and Amazon S3 for files.