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The content delivery network (CDN) service Amazon CloudFront is provided by Amazon Web Services (AWS). It is intended to support customers in providing end users with low latency and high transfer speeds for their static and dynamic online content, such as photos, videos, applications, and APIs.
For CloudFront to function, content must be cached at edge locations and global data centers. These edge locations are created to deliver content more quickly and perform better from the nearest area to the end user.
Amazon CloudFront Use Cases
- Asset static caching:
Your application can benefit from AWS’s backbone by utilizing CloudFront. Your end users enjoy a quick, secure, and dependable experience thanks to CloudFront.
- Live broadcasting
Events can be streamed to people everywhere, whether pre-recorded or live.
For the Video on Demand (VOD) streaming service, CloudFront can stream formats such as MPEG DASH, Apple HLS, Microsoft Smooth Streaming, and CMAF.
Today, CDNs provide a sizable amount of all internet content. Here is a simple example:
We would have encountered slow content load times if we were in New York and attempted to access the website of our preferred store in London, which is hosted on a server in the UK because the request had to go across the Atlantic Ocean. A CDN, also known as a “point of presence,” would store a cached copy of the content from the London website in various places across the globe to address this issue (PoPs). These PoPs are in charge of delivering that content near to where we are in New York and have their caching servers.
You get a quicker, more responsive web experience when content is sent from a server close to your location.
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How Amazon CloudFront works?
- A user who uses the application or website requests one or more objects, such as an image or an HTML file.
- DNS subsequently routes the request to the CloudFront Edge location closest to the request’s origin.
- CloudFront searches its cache at the edge location for the requested files. If the files are in the cache, CloudFront gives the user access.
If the files are not present in the cache, it follows these steps:
- The files are returned from the origin servers to the CloudFront edge location.
- Moreover, CloudFront puts the files in the edge location’s cache for the upcoming request.
- CloudFront starts sending the user’s files as soon as the first byte from the origin arrives.
Below diagram represents how content is delivered to users.
How it helps Customer Business needs?
There are many ways that Amazon CloudFront can assist clients in achieving their business goals:
- Increased Website Performance:
Amazon CloudFront aids in lowering latency and accelerating content delivery to users. By reducing the time it takes for content to load from the origin server, it achieves this by caching content at edge locations closer to the end user.
- Cost Savings:
By relieving the origin server of a load of serving content, Amazon CloudFront lowers expenses by freeing it up to handle application logic. Fewer servers are needed due to the origin server’s reduced workload, which lowers the cost of infrastructure and maintenance.
- Improved Scalability:
Regardless of the volume of requests, Amazon CloudFront can scale up or down automatically to match the demand for content, giving users quick and reliable performance.
- Improved Security:
To defend against DDoS attacks, SQL injection, and other web application attacks, Amazon CloudFront offers security capabilities like SSL/TLS encryption and integration with AWS Web Application Firewall (WAF).
- Global Reach:
Amazon CloudFront provides a network of edge sites that spans the globe, enabling clients to distribute content to users anywhere in the world while lowering latency and enhancing user experience.
Amazon CloudFront Pricing
There are three different pricing tiers for Amazon CloudFront: free tier, on-demand, and discounted pricing.
CloudFront charges for data transfers made from its edge locations along with HTTP or HTTPS queries. Price varies according to usage type, location, and feature choices.
As part of the free tier, we are benefited with:
- 1 TB of data transfer out per month
- 10,000,000 HTTP or HTTPS Requests per month
- 2,000,000 CloudFront Function invocations per month
- Free SSL certificates
- No limitations, all features available
Free for origin fetches from any AWS origin, such as Amazon Simple Storage Service (S3), Amazon Elastic Compute Cloud (EC2), or Elastic Load Balancers.
Integration of CloudFront with other AWS services
- AWS Certificate Manager (ACM)
- Amazon Simple Storage Service (Amazon S3)
- AWS WAF
- AWS Elemental MediaPackage
- AWS Elemental MediaStore.
The advancement of organizational development and performance speed, such as data movement between several AWS administrations and networks, is made possible by Amazon CloudFront. It matters to businesses regarding the dependability and availability of spam-free material to their end customers.
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Drop a query if you have any questions regarding Amazon CloudFront and I will get back to you quickly.
1. How is Amazon CloudFront different from Amazon S3?
ANS: – For the distribution of frequently requested static content that benefits from edge delivery, such as popular website photos, videos, media files, or software downloads, Amazon CloudFront is an excellent option.
2. What is Amazon CloudFront Regional Edge Cache?
ANS: – Edge locations are a global network of data centers that CloudFront uses to deliver your content. The regional edge caches are between your origin web server and the global edge locations that offer content directly to your viewers. This reduces the complexity and price of scaling your original resources while enhancing user performance.
WRITTEN BY Ravikumar Eranna Murali
Ravikumar works as a Research Intern at CloudThat. His expertise lies in AWS Services and pursuing DevOps technologies like Kubernetes, Docker, and Jenkins. Ravi enjoys learning and working on new challenges to give the best solution.