Content Distribution Network Interconnection (CDNI) Requirements (RFC7337)
Original Publication Date: 2014-Aug-01
Included in the Prior Art Database: 2014-Aug-13
Internet Society Requests For Comment (RFCs)
K. Leung: AUTHOR [+4]
The volume of video and multimedia content delivered over the Internet is rapidly increasing and expected to continue doing so in the future. In the face of this growth, Content Delivery Networks (CDNs) provide numerous benefits: reduced delivery cost for cacheable content, improved quality of experience for end users, and increased robustness of delivery. For these reasons, CDNs are frequently used for large-scale content delivery. As a result of the significant growth in content delivered over IP networks, existing CDN providers are scaling up their infrastructure and many NSPs and ESPs are deploying their own CDNs. Subject to the policy of the Content Service Provider (CSP), it is generally desirable that a given item
Internet Engineering Task Force (IETF) K. Leung, Ed. Request for Comments: 7337 Cisco Category: Informational Y. Lee, Ed. ISSN: 2070-1721 Comcast August 2014
Content Distribution Network Interconnection (CDNI) Requirements
Content delivery is frequently provided by specifically architected and provisioned Content Delivery Networks (CDNs). As a result of significant growth in content delivered over IP networks, existing CDN providers are scaling up their infrastructure. Many Network Service Providers (NSPs) and Enterprise Service Providers (ESPs) are also deploying their own CDNs. To deliver contents from the Content Service Provider (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.
Status of This Memo
This document is not an Internet Standards Track specification; it is published for informational purposes.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Not all documents approved by the IESG are a candidate for any level of Internet Standard; see Section 2 of RFC 5741.
Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc7337.
Leung & Lee Informational [Page 1]
RFC 7337 CDNI Requirements August 2014
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