Content distribution system for operation over an internetwork including content peering arrangements

A method, in a network interconnecting a plurality of content providers and a plurality of clients, for providing content to a client, comprising:

• coupling each of the plurality of content providers to at least one content distribution network of a plurality of content distribution networks, wherein the client is coupled to at least one of the plurality of content distribution networks, wherein a content distribution network comprises of a plurality of autonomous systems;
• building content peering relationships among the plurality of autonomous systems, wherein a first autonomous system that enters into a content peering relationship with second autonomous system provisions resources to serve content of content providers that are customers of the second autonomous system, and wherein anycast-addressed devices of the first autonomous system are configured with an anycast address block associated with the second autonomous system,
• wherein the method is performed by one or more computing devices.