Abstract
Contents Delivery Networks (CDNs) have been introduced to deliver efficiently very large content to user with low cost. For this, various content delivery schemes such as the uncooperative pull-based scheme, the cooperative push-based scheme, and the cooperative pull-based scheme, have been studied in CDNs. However, these schemes hold the problems such as temporary service interruption, the increases of the average delivery time of content and the bottlenecks to the Internet backbone. In this paper, we propose the content delivery scheme called the cooperative hybrid-based scheme that enables efficient operation of limited resources. Through simulation, we confirmed the service without temporary interruption, the average delivery time of content improved by up to 8%, and the bottlenecks to the Internet backbone between ISPs reduced by up to 66%.
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