A computer-implemented method in a content delivery network (CDN) includes, at a mechanism in said CDN: responsive to a request, determining a particular sequencer to handle the request, the particular sequencer comprising a sequence of one or more handlers, wherein the request is associated with a particular customer of said CDN and wherein a first at least some of the one or more handlers in the particular sequence are determined based on the particular customer; and processing the request in accordance with the particular sequencer by invoking the one or more handlers.