Amazon CloudFront fundamentals — AWS Solutions Architect Associate Certification

Chapter 9: AWS CloudFront and Global Accelerator fundamentals that will appear in the AWS Solutions Architect Associate Exam.

Gonzalo Fernandez Plaza
7 min readSep 2, 2021

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CDN services will allow us to distribute our applications globally. AWS has two different services to improve the performance of our applications: Amazon CloudFront and AWS Global Accelerator. We'll see them in detail in this new AWS Solutions Architect Associate Course chapter!

  1. Introduction to Content Delivery Networks (CDNs)
  2. AWS CloudFront
  3. AWS Global Accelerator
  4. Typical CloudFront Questions
CloudFront for the AWS Solutions Architect Associate Certification.
CloudFront for the AWS Solutions Architect Associate Certification.

Remember that all the chapters from the course can be found in the following link.

CONTENT DELIVERY NETWORKS (CDN)

To understand what Amazon CloudFront is, we first need to understand the concept of CDN. So, what is a CDN?

A Content Delivery Network (CDN) is a geographically distributed network of proxy servers and their data centers to provide high availability and performance by distributing the service spatially relative to end-users. Let’s imagine that we have an application that contains a video of 500MB that the users have to download. If the servers are in the US, users from this region can access this content fast, but what about Indian users? It’s just a matter of distance; it will get worse.

Downloading a video without a CDN.
Downloading a video without a CDN.

Thanks to a CDN, we can distribute this video globally so that users in each region can access it through the server with the lowest latency.

Downloading a video using a CDN.

AWS CLOUDFRONT

With the concept of CDN in mind, let’s talk about CloudFront. Amazon CloudFront is a fast Content Delivery Network (CDN) service that securely delivers data, videos, applications, and APIs to customers…

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Gonzalo Fernandez Plaza

Computer Science Engineer & Tech Lead 🖥️. Publishing AWS & Snowflake ❄️ courses & exams. https://www.fullcertified.com