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====== CDN Content Delivery Network ======
 **Is** a distributed network of servers that delivers web content to users based on their geographic location, resulting in faster and more reliable content delivery. CDNs are used by websites and applications to improve their performance and reduce their reliance on a single server or data center.

CDNs work by caching content in multiple geographic locations, often referred to as "points of presence" or "edge nodes." When a user requests content, the CDN automatically selects the edge node closest to the user and delivers the content from there. This reduces the time it takes for the content to reach the user and improves the user experience.

CDNs can also optimize content delivery by compressing files, reducing the size of images, and minifying code. These optimizations help reduce the amount of data that needs to be transferred, resulting in faster page load times and lower bandwidth costs.

In addition to improving performance, CDNs can also improve the reliability and availability of websites and applications. If a server or data center goes down, the CDN can automatically redirect traffic to another server or edge node, reducing the impact of downtime.

Overall, CDNs are an important tool for improving website and application performance, reliability, and availability, and are commonly used by businesses of all sizes to deliver content to their users around the world.

**How does a CDN work?**

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**There are several CDN providers available that have servers in Bangladesh, such as:**

  * Google
  * Meta
  * Cloudflare
  * Akamai
  * Bigo 
  * Baishan

These CDN providers have servers in multiple locations around the world, including Bangladesh, which allows them to deliver content faster to users in the country. However, the availability of these CDNs and their performance may vary depending on the location of your users and the type of content you are delivering. It is recommended to test multiple CDNs and choose the one that performs best for your specific needs.


==== Approximate traffic chart for Scomm IIG CDN : ====


{{:cdn.jpg?800|}}

  * https://www.imperva.com/learn/performance/what-is-cdn-how-it-works/