Patent ID: 9203921
Filing Date: 2015-12-01
Classification: H04L

Abstract:
1. A content distribution system comprising a plurality of access servers arranged to route traffic to and from end users on a network, each of said access servers having an associated subdomain comprising a content server or group of content servers, and serving at least one of the end users so that the at least one end user served by one subdomain routes traffic to and from the access server associated with that one subdomain and routes traffic to and from another subdomain only through the access server associated with that one subdomain, and each of said access servers having means for transmitting data packets to content servers in the associated subdomain, wherein an internet protocol address common to all the subdomains is allocated to the content servers, such that each access server is configured to route any data packets addressed to the said internet protocol address to the content server or group of content servers in its respective subdomain.