DLEP Traffic Classification Data Item
draft-ietf-manet-dlep-traffic-classification-02

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Last updated 2019-11-19
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Network Working Group                                           B. Cheng
Internet-Draft                                                D. Wiggins
Intended status: Standards Track                  MIT Lincoln Laboratory
Expires: May 22, 2020                                          L. Berger
                                                 LabN Consulting, L.L.C.
                                                       November 19, 2019

                 DLEP Traffic Classification Data Item
            draft-ietf-manet-dlep-traffic-classification-02

Abstract

   This document defines a new Dynamic Link Exchange Protocol (DLEP)
   Data Item that is used to support traffic classification.  Traffic
   classification information is used to identify traffic flows based on
   frame/packet content such as destination address.  The Data Item is
   defined in an extensible and reusable fashion.  It's use will be
   mandated in other documents defining specific DLEP extensions.  This
   document aloas introduces DLEP sub data items, and sub data items are
   defined to support DiffServ and Ethernet traffic classification.

Status of This Memo

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   This Internet-Draft will expire on May 22, 2020.

Copyright Notice

   Copyright (c) 2019 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
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents

Cheng, et al.             Expires May 22, 2020                  [Page 1]
Internet-Draft         DLEP Traffic Classification         November 2019

   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  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Key Words . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Traffic Classification  . . . . . . . . . . . . . . . . . . .   3
     2.1.  Traffic Classification Data Item  . . . . . . . . . . . .   4
       2.1.1.  Traffic Classification Sub Data Item  . . . . . . . .   6
     2.2.  DiffServ Traffic Classification Sub Data Item . . . . . .   7
       2.2.1.  Router Receive Processing . . . . . . . . . . . . . .   8
     2.3.  Ethernet Traffic Classification Sub Data Item . . . . . .   8
       2.3.1.  Router Receive Processing . . . . . . . . . . . . . .  10
   3.  Compatibility . . . . . . . . . . . . . . . . . . . . . . . .  10
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
     5.1.  Data Item Values  . . . . . . . . . . . . . . . . . . . .  10
     5.2.  DLEP Traffic Classification Sub Data Item Registry  . . .  11
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     6.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13

1.  Introduction

   The Dynamic Link Exchange Protocol (DLEP) is defined in [RFC8175].
   It provides the exchange of link related control information between
   DLEP peers.  DLEP peers are comprised of a modem and a router.  DLEP
   defines a base set of mechanisms as well as support for possible
   extensions.  DLEP defines Data Items which are sets of information
   that can be reused in DLEP messaging.  The base DLEP specification
   does not include any flow identification beyond DLEP endpoints.  This
   document defines DLEP Data Item formats which provide flow
   identification on a more granular basis.  Specifically it enables
   traffic sent by a router to use traffic flow classification
   information provided by the modem to identify which traffic flows.
   In this case, a flow is identified based on information found in a
   data plane header and one or more matches are associated with a
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