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Content Delivery Network

Content Delivery Network implementation is having a website placed on a server geographically located closer to the intended customer base for faster access. CDN is short for content delivery network, is a network of proxy servers and data centers. They provide high availability and speed performance by distributing the service geographically relative to end users. CDNs serve as a means for alleviating the performance bottlenecks of the internet; CDNs serve a large portion of the internet content today, including text, graphics & scripts, media files, software, documents, applications, live streaming media, on-demand streaming media, and social media sites. CDNs are a layer in the internet ecosystem – content owners such as media companies and e-commerce vendors pay CDN operators to deliver their content to their end users. In turn, a CDN pays internet service providers, carriers, and network operators for hosting its servers in their data centers.

CDN is an umbrella term spanning different types of content delivery services: video streaming, software downloads, web and mobile content acceleration, licensed/managed CDN, transparent caching, and services to measure CDN performance, load balancing, Multi CDN switching and analytics and cloud intelligence. CDN vendors may cross over into other industries like security, with DDoS protection and web application firewalls (WAF), and WAN optimization.