How to realize CDN interconnection (CDNI) over OpenFlow?

Authors:
Dukhyun Chang;Junho Suh;Hyogi Jung;Ted "Taekyoung" Kwon;Yanghee Choi
Affiliations:
Seoul National University, Seoul, Korea;Seoul National University, Seoul, Korea;Seoul National University, Seoul, Korea;Seoul National University, Seoul, Korea;Seoul National University, Seoul, Korea
Venue:
Proceedings of the 7th International Conference on Future Internet Technologies
Year:
2012

Citing 2
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Abstract

Traffic of content-oriented applications/service is increasingly more dominant. How to support content delivery and distribution efficiently is one of the important issues in future Internet community. In contrast to clean slate approaches in the recent literature, we seek to deliver content efficiently leveraging current networking devices with programmability. In particular, we propose how to deliver content across Internet service providers (ISPs) on top of OpenFlow. We design a preliminary framework to support content delivery network interconnection (CDNI) assuming two ISPs have deployed OpenFlow. There are two central ideas to realize CDNI across ISPs: (i) request and data packets of a content file are forwarded by a private address (assigned to the file) in each ISP, and (ii) the controllers of the two ISPs exchange the signaling information to deliver the content.