Patent ID: 7143170

Claim:
A method, comprising: providing a plurality of edge servers; wherein edge servers are servers that deliver content to end users; wherein the edge servers serve a customer's most popular content to requesting users; wherein a customer is allocated a certain amount of memory to store the customer's most popular content on each edge server in a set of edge servers, the amount of memory based on a fee paid by the customer; wherein at least one specific set of edge servers among a plurality of sets of edge servers serve a particular customer's most popular content to requesting users; tracking popularity of a customer's content on an edge server based on number of requests for the customer's content; creating an ordered list of a customer's most popular content files using number of requests tracked for a particular file; and evaluating the ordered list for newly popular content files not stored in the edge server's local storage that have become more popular than content files stored in the edge server's local storage.