Patent ID: 8156214

Claim:
A content delivery system comprising: an analyzer module; a content request data collection module configured to: receive a content request sent to a tracking address; collect content request information about the content request; and provide the content request information to the analyzer module; and a hardware domain name server, the domain name server configured to: receive a first address request from a local domain name server for a cache server address; provide an internet protocol address for the cache server in response to receiving the first address request; receive a second address request from the local domain name server for the cache server address; provide the tracking address to the local domain name server in response to receiving the second address request, wherein providing the tracking address to the local domain name server is in response to a predefined time interval; collect address request information about the first address request and the second address request; and provide the address request information to the analyzer module; wherein the analyzer module is configured to: receive the address request information and the content request information; and determine information about clients served by the local domain name server based on the address request information and the content request information; and wherein the hardware domain name server is further configured to modify one of a load balancing among cache servers, a routing of requests to the cache servers, and a provisioning of the cache servers based on the client information.