Reduced bandwidth consumption: Web hosts charge organizations for data transferred from the origin server. For web publishers, that equates to more page views, traffic spikes, improved customer engagement and less site abandonment. In the video What Is a Content Delivery Network?, IBM chief architect Ryan Sumner goes through a scenario where a CDN helps make the website and page load time faster for globally distributed users:įor a closer look at cloud computing and edge networks, read the blog posts Cloud at the Edge and Rounding out the Edges.ĬDNs provide faster load times, reduced bandwidth consumption and many other benefits for web publishers:īetter connectivity and scalability for web publishers: A content delivery network provides site users with faster content load times. Organizations typically purchase CDN services from CDN providers, which maintain their own server networks. By reducing the distance between this content and users, the content delivery network helps the website publisher provide faster performance, reduce loading time for its users and control its own bandwidth consumption and costs. For this reason, CDN servers are often called "edge servers." Each server stores or caches copies of a subset of the web content-HTML files, images, audio, video, applications-from the host server. A content delivery network is a network of servers that is geographically dispersed to enable faster web performance by locating copies of web content closer to users or facilitating delivery of dynamic content (e.g., live video feeds).Įach CDN server is located on what is called the "network edge"-closer to users than the host server, which is where the website originates.
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