CDN
-- CDN Is useful in serving HTTP request CDN has been around since the late 90s . It was originally developed to speed up the delivery of Static HTML content for users all around the world. Nowadays CND must be used whenever http traffic is served What can a Modern CDN do for us ? At a fundamental level , a CDN bring content closer to the user . This improve performance of the webserver as perceived by the user. It is well-documented that performance is critical to user engagement and retention. To bring service closer to the user CDN deploys servers at hundreds of locations all over the world . These server locations are called Point of Presence or PoPs A server inside a PoP is now commonly called an EdgeServer Having many PoPs ensures that every user can reach a fast edge server close to them Different CDNs use different technology to direct a user to their closed PoP. With DNS Based routing each PoP has its own Ip Address . ...