Multi-Content Delivery Network Load Balancing over Content Steering Server

A non-transitory memory storing one or more programs, which, when executed by one or more servers in a multi-CDN system, cause the one or more servers to:

• receive from a first CDN a request to offload or onload a first number of clients to be served by the first CDN;
• in response to receiving the request, generate an updated request and send the updated request to the first CDN and at least one CDN offering to switch a second number of clients in the multi-CDN system in response to receiving the request;
• determine whether the first CDN and the at least one CDN accept the updated request;
• and
• in accordance with determining the first CDN and the at least one CDN accepting the updated request, instruct the first CDN and the at least one CDN to offload or onload the second number of clients according to the updated request.

A content steering server in a multi-CDN system, the content steering server comprising:

• one or more processors;
• a non-transitory memory;
• a network interface;
• and
• one or more programs, stored in the non-transitory memory, which, when executed by the one or more processors, cause the content steering server to:
• receive from a first CDN a request to offload or onload a first number of clients to be served by the first CDN;
• in response to receiving the request, generate an updated request and send the updated request to the first CDN and at least one CDN offering to switch a second number of clients in the multi-CDN system in response to receiving the request;
• determine whether the first CDN and the at least one CDN accept the updated request;
• and
• in accordance with determining the first CDN and the at least one CDN accepting the updated request, instruct the first CDN and the at least one CDN to offload or onload the second number of clients according to the updated request.