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Mobile Communication Congestion Exposure Scenario
draft-ietf-conex-mobile-03

Document type: Active Internet-Draft (conex WG)
Document stream: IETF
Last updated: 2014-02-14
Intended RFC status: Unknown
Other versions: plain text, pdf, html

IETF State: WG Document
Consensus: Unknown
Document shepherd: No shepherd assigned

IESG State: I-D Exists
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CONEX WG                                                     D. Kutscher
Internet-Draft                                                    F. Mir
Intended status: Informational                                 R. Winter
Expires: August 18, 2014                                             NEC
                                                             S. Krishnan
                                                                Y. Zhang
                                                                Ericsson
                                                           CJ. Bernardos
                                                                    UC3M
                                                       February 14, 2014

           Mobile Communication Congestion Exposure Scenario
                       draft-ietf-conex-mobile-03

Abstract

   This memo describes a mobile communications use case for congestion
   exposure (CONEX) with a particular focus on mobile communication
   networks such as the 3GPP Evolved Packet System (EPS).  The draft
   provides a brief overview of the architecture of these networks (both
   access and core networks), current QoS mechanisms and then discusses
   how congestion exposure concepts could be applied.  Based on this,
   this memo suggests a set of requirements for CONEX mechanisms that
   particularly apply to mobile networks.

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 18, 2014.

Copyright Notice

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

Kutscher, et al.         Expires August 18, 2014                [Page 1]
Internet-Draft            ConEx Mobile Scenario            February 2014

   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.  CONEX Use Cases in Mobile Communication Networks . . . . . . .  3
     2.1.  CONEX as a Basis for Traffic Management  . . . . . . . . .  4
     2.2.  CONEX to Incentivize Scavenger Transports  . . . . . . . .  6
     2.3.  Accounting for Congestion Volume . . . . . . . . . . . . .  7
     2.4.  Partial vs. Full Deployment  . . . . . . . . . . . . . . .  7
     2.5.  Summary  . . . . . . . . . . . . . . . . . . . . . . . . .  9
   3.  CONEX in the EPS . . . . . . . . . . . . . . . . . . . . . . .  9
     3.1.  Possible Deployment Scenarios  . . . . . . . . . . . . . .  9
     3.2.  Implementing CONEX Functions in the EPS  . . . . . . . . . 13
       3.2.1.  CONEX Protocol Mechanisms  . . . . . . . . . . . . . . 14
       3.2.2.  CONEX Functions in the Mobile Network  . . . . . . . . 14
   4.  Summary  . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 18
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . . 18
   7.  Informative References . . . . . . . . . . . . . . . . . . . . 18
   Appendix A.  Acknowledgments . . . . . . . . . . . . . . . . . . . 20
   Appendix B.  Overview of 3GPP's Evolved Packet System (EPS)  . . . 21
   Appendix C.  ChangeLog . . . . . . . . . . . . . . . . . . . . . . 22
     C.1.  draft-ietf-conex-mobile-03 . . . . . . . . . . . . . . . . 22
     C.2.  Earlier  . . . . . . . . . . . . . . . . . . . . . . . . . 23
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 24

Kutscher, et al.         Expires August 18, 2014                [Page 2]
Internet-Draft            ConEx Mobile Scenario            February 2014

1.  Introduction

   Mobile data traffic continues to grow rapidly.  The challenge

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