Request Routing Redirection Interface for Content Delivery Network (CDN) Interconnection (RFC7975)
Original Publication Date: 2016-Oct-01
Included in the Prior Art Database: 2016-Nov-06
Internet Society Requests For Comment (RFCs)
B. Niven-Jenkins: AUTHOR [+4]
A Content Delivery Network (CDN) is a system built on an existing IP network that is used for large-scale content delivery, via prefetching or dynamically caching content on its distributed surrogates (caching servers). [RFC6707] describes the problem area of interconnecting CDNs.
Internet Engineering Task Force (IETF) B. Niven-Jenkins, Ed. Request for Comments: 7975 Nokia Category: Standards Track R. van Brandenburg, Ed. ISSN: 2070-1721 TNO October 2016
Request Routing Redirection Interface for Content Delivery Network (CDN) Interconnection
The Request Routing interface comprises (1) the asynchronous advertisement of footprint and capabilities by a downstream Content Delivery Network (CDN) that allows an upstream CDN to decide whether to redirect particular user requests to that downstream CDN; and (2) the synchronous operation of an upstream CDN requesting whether a downstream CDN is prepared to accept a user request and of a downstream CDN responding with how to actually redirect the user request. This document describes an interface for the latter part, i.e., the CDNI Request Routing Redirection interface.
Status of This Memo
This is an Internet Standards Track document.
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). Further information on Internet Standards is available in Section 2 of RFC 7841.
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/rfc7975.
Niven-Jenkins, et al. Standards Track [Page 1]
RFC 7975 Request Routing Redirection October 2016
Copyright (c) 2016 IETF Trust and the persons identified as the document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology ....