SYSTEM AND METHOD FOR CONTENTS DELIVERY BASED ON MULTIPLE CONTENT DELIVERY NETWORK PROVIDERS, AND CONTENT PROVIDER NAME SERVER THEREOF

摘要

PURPOSE: A content distribution system through a plurality of CDN business carriers, a method thereof, a contents provider name server through a plurality of CDN providers are provided to increase the reliability of contents transmission without interworking between CDN business carriers. CONSTITUTION: A contents server(160) offers a page and objects included in a page. Duplication servers(130) stores the objects. A contents provider name server(150) selects the CDN business carrier transmitting the objects if the IP address query is received. The contents provider name server transfers the domain name information of the selected CDN business carrier to a local name server(120).