The IESG has approved the following document: - 'Content Distribution Network Interconnection (CDNI) Requirements' (draft-ietf-cdni-requirements-17.txt) as Informational RFC This document is the product of the Content Delivery Networks Interconnection Working Group. The IESG contact persons are Spencer Dawkins and Martin Stiemerling. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-cdni-requirements/ Technical Summary Content Delivery Networks (CDNs) are frequently used for content delivery. As a result of significant growth in content delivered over IP networks, existing CDN providers are scaling up their infrastructure. Many Network Service Providers and Enterprise Service Providers are also deploying their own CDNs. To deliver contents from the Content Service Protect (CSP) to end users, the contents may traverse across multiple CDNs. This creates a need for interconnecting (previously) standalone CDNs so that they can collectively act as a single delivery platform from the CSP to the end users. The goal of the present document is to outline the requirements for the solution and interfaces to be specified by the CDNI working group. Working Group Summary The only major controversy was regarding when the requirements draft should be completed. Some argued the requirements draft should be the last document completed in the working group, so that any requirements "discovered" during the development of other RFCs could be added later. Others argued that we should finish this and publish it, so we can reference it in solutions drafts, do not have scope creep and stray far from the original consensus of the working group. The latter won out. Document Quality Besides incremental reviews and revisions through working group discussions, both of the chairs did a thorough review of the draft during WGLC. These reviews resulted in a number of revisions. This requirements draft is being referenced frequently and leveraged for the CDNI solutions drafts. Personnel Daryl Malas is the Document Shepherd. The Area Director for this working group is Spencer Dawkins.