Patent ID: 9712412
Date: 2017-07-18
CPC Classifications: H04L

Claim:
1. A method, comprising: receiving a request for content to be delivered to a source in a network; determining a geographic service region for the source; creating a list of a plurality of content delivery networks in the geographic service region; determining the plurality of content delivery networks that each have a plurality of service cache nodes in the geographic service region, wherein each of the service cache nodes are configured to deliver the requested content, wherein at least one of the plurality of content delivery networks has more than one service cache node in another geographic service region, wherein at least one of the plurality of content delivery networks includes one or more service cache nodes that are not configured to deliver the requested content; determining a status of each of the plurality of content delivery networks, wherein the status is based, at least in part, on an aggregate status of the content delivery network for the service region and a use cost of the content delivery network for the service region; removing impaired content delivery networks from the list; determining a status of each service cache node for each plurality of content delivery networks in the service region, wherein the status is provided by the content delivery network associated with the status, wherein the status indicates a resource load and availability of each service cache node, wherein the status is indicative of at least whether the service cache node is active or impaired; and selecting a particular one of the content delivery networks having a corresponding status as active to service the request for content.