DECADE Architecture
draft-ietf-decade-arch-04

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Document Type Active Internet-Draft (decade WG)
Last updated 2012-02-03 (latest revision 2011-10-31)
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DECADE                                                          R. Alimi
Internet-Draft                                                    Google
Intended status: Informational                                   Y. Yang
Expires: May 3, 2012                                     Yale University
                                                               A. Rahman
                                        InterDigital Communications, LLC
                                                             D. Kutscher
                                                                     NEC
                                                                  H. Liu
                                                         Yale University
                                                        October 31, 2011

                          DECADE Architecture
                       draft-ietf-decade-arch-04

Abstract

   Content Distribution Applications (e.g., P2P applications) are widely
   used on the Internet and make up a large portion of the traffic in
   many networks.  One technique to improve the network efficiency of
   these applications is to introduce storage capabilities within the
   networks; this is the capability to be provided by DECADE (DECoupled
   Application Data Enroute).  This document presents an architecture
   for DECADE, discusses the underlying principles, and identifies core
   components and protocols for introducing in-network storage for these
   applications.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF), its areas, and its working groups.  Note that
   other groups may also distribute working documents as Internet-
   Drafts.

   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."

Alimi, et al.              Expires May 3, 2012                  [Page 1]
Internet-Draft             DECADE Architecture              October 2011

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/ietf/1id-abstracts.txt.

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html.

   This Internet-Draft will expire on May 3, 2012.

Copyright Notice

   Copyright (c) 2011 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 BSD License.

Alimi, et al.              Expires May 3, 2012                  [Page 2]
Internet-Draft             DECADE Architecture              October 2011

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  5
   2.  Functional Entities  . . . . . . . . . . . . . . . . . . . . .  6
     2.1.  DECADE Server  . . . . . . . . . . . . . . . . . . . . . .  6
     2.2.  DECADE Client  . . . . . . . . . . . . . . . . . . . . . .  6
     2.3.  DECADE Storage Provider  . . . . . . . . . . . . . . . . .  6
     2.4.  Content Provider Using DECADE  . . . . . . . . . . . . . .  6
     2.5.  Content Consumer Using DECADE  . . . . . . . . . . . . . .  7
     2.6.  Content Distribution Application . . . . . . . . . . . . .  7
   3.  Protocol Flow  . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.1.  Overview . . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.2.  An Example . . . . . . . . . . . . . . . . . . . . . . . .  9
   4.  Architectural Principles . . . . . . . . . . . . . . . . . . .  9
     4.1.  Decoupled Control/Metadata and Data Planes . . . . . . . . 10
     4.2.  Immutable Data Objects . . . . . . . . . . . . . . . . . . 11
     4.3.  Data Object Identifiers  . . . . . . . . . . . . . . . . . 12
     4.4.  Explicit Control . . . . . . . . . . . . . . . . . . . . . 12
     4.5.  Resource and Data Access Control through User
           Delegation . . . . . . . . . . . . . . . . . . . . . . . . 12
   5.  System Components  . . . . . . . . . . . . . . . . . . . . . . 13
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