http://www.rfc-editor.org/rfc/rfc6707.txt
RFC 6707: Content Distribution Network Interconnection (CDNI) Problem Statement, B. Niven-Jenkins, F. Le Faucheur, N. Bitar2012-09-01T23:00:00-00:00The goal of this document is to outline the problem area of CDN Interconnection for the IETF CDNI (CDN Interconnection) working group. This document is not an Internet Standards Track specification; it is published for informational purposes.