As a content delivery network, Fastly works by having any one of our global points of presence (POP) respond to requests that would otherwise be sent directly to your origin server. Because each POP acts independently, any time it doesn't have a cached version of the requested resource, it will make a request directly to your origin, even if another POP may be in the process of making the same request. You can reduce the load on your origin servers if you specify one of Fastly's POPs as an or...
