Supportsoft Glossary

Content Delivery Networks for Faster Global App Access

 A Content Delivery Network (CDN) is the kind of system that consists of distributed network servers placed in different geographical locations for the purpose of delivering digital content fast and reliably. Whenever users launch an app or open a web page, a CDN selects the nearest server to their location—known as an edge server—and thus lowers the latency and speeds up the loading time. This is a crucial aspect, especially for those users who are situated far from the main hosting server.

CDNs are the ones that keep the cached copies of the static assets, which are made up of images, videos, scripts, and stylesheets. CDNs are able to serve these files from different positions globally, which means that they are able to cut down on the bandwidth to the minimum and at the same time offer the same level of performance even when the traffic is high. Leading CDN providers are Cloudflare, Akamai, AWS CloudFront, and Fastly.

Most importantly, CDNs provide a speed and also a reliability boost. In a case where one server is down, the load is automatically transferred to another node; thus, no downtime is experienced. They also come with security features, like DDoS attack prevention, bot filtering, and data encryption, and thus, they keep both the application and user data safe.