Patent ID: 7225275

Claim:
A system for delivery of high-performance online multimedia services comprising: a high-speed backbone, coupled to one or more network access points of a network, the high-speed backbone configured to receive general content and multicast content, the multicast content assigned to be multicast to a destination address; at least two regional servers, coupled to the high-speed backbone and including a first regional server and a second regional server which each provide a second level of caching for the general content, the first regional server configured to customize the multicast content to form a first version of multicast content and the second regional server configured to customize the multicast content to form a second version of multicast content; and a plurality of caching servers, including a first caching server coupled to the first regional server and a second caching server coupled to the second regional server, each caching server configured to provide a first level of caching of general content for a group of end user systems in a region served by the regional server to which it is coupled, and to provide the customized multicast content formed by the coupled regional server to an end-user system in the region.