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Content Distribution Network Interconnection (CDNI) Requirements
draft-ietf-cdni-requirements-17

Document type: Active Internet-Draft (cdni WG)
Document stream: IETF
Last updated: 2014-01-31 (latest revision 2014-01-30)
Intended RFC status: Informational
Other versions: plain text, xml, pdf, html

IETF State: Submitted to IESG for Publication
Consensus: Unknown
Document shepherd: Daryl Malas
Shepherd Write-Up: Last changed 2013-09-19

IESG State: RFC Ed Queue
IANA Action State: No IC
RFC Editor State: AUTH48
Responsible AD: Spencer Dawkins
Send notices to: cdni-chairs@tools.ietf.org, draft-ietf-cdni-requirements@tools.ietf.org

Network Working Group                                      K. Leung, Ed.
Internet-Draft                                                     Cisco
Intended status: Informational                               Y. Lee, Ed.
Expires: August 3, 2014                                          Comcast
                                                            Jan 30, 2014

    Content Distribution Network Interconnection (CDNI) Requirements
                    draft-ietf-cdni-requirements-17

Abstract

   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 and Enterprise Service Providers 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 Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on August 3, 2014.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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   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
     1.1.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  CDNI Model and CDNI Interfaces . . . . . . . . . . . . . . . .  4
   3.  Generic CDNI Requirements  . . . . . . . . . . . . . . . . . .  7
   4.  CDNI Control Interface Requirements  . . . . . . . . . . . . .  8
   5.  CDNI Request Routing Redirection Interface Requirements  . . . 11
   6.  CDNI Footprint & Capabilities Advertisement Interface
       Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 13
   7.  CDNI Metadata Interface Requirements . . . . . . . . . . . . . 15
   8.  CDNI Logging Interface Requirements  . . . . . . . . . . . . . 19
   9.  CDNI Security Requirements . . . . . . . . . . . . . . . . . . 21
   10. IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 22
   11. Security Considerations  . . . . . . . . . . . . . . . . . . . 22
   12. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 22
   13. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 22
   14. References . . . . . . . . . . . . . . . . . . . . . . . . . . 23
     14.1. Normative References . . . . . . . . . . . . . . . . . . . 23
     14.2. Informative References . . . . . . . . . . . . . . . . . . 23
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 24

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1.  Introduction

   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

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