METHOD OF REQUEST ROUTING RE-DIRECTION WITH LOOP DETECTION AND PREVENTION

摘要

Provided is a method for requesting routing redirection including receiving, through a first content delivery network among a plurality of content delivery networks connected by content delivery network interconnection, a domain name system request including a list of content delivery network provider identifications of higher content delivery networks, from a client; determining whether the request from the client can be processed; and, when the request from the client can not be processed, redirecting the request and preventing a loop of the request routing on the basis of the list of the content delivery network provider identifications.