DLEP Lantency Range Extension
draft-cheng-manet-dlep-latency-extension-00

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Network Working Group                                           B. Cheng
Internet-Draft                                        Lincoln Laboratory
Intended status: Standards Track                          L. Berger, Ed.
Expires: April 30, 2017                          LabN Consulting, L.L.C.
                                                        October 27, 2016

                     DLEP Lantency Range Extension
              draft-cheng-manet-dlep-latency-extension-00

Abstract

   This document defines an extension to the DLEP protocol to provide
   the range of latency that may be experienced on a link.

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
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   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on April 30, 2017.

Copyright Notice

   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
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Key Words . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Extension Usage and Identification  . . . . . . . . . . . . .   2
   3.  Latency Range Data Items  . . . . . . . . . . . . . . . . . .   3
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   3
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
     5.1.  Extension Type Value  . . . . . . . . . . . . . . . . . .   4
     5.2.  Data Item Value . . . . . . . . . . . . . . . . . . . . .   4
   6.  Normative References  . . . . . . . . . . . . . . . . . . . .   4
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   5

1.  Introduction

   The Dynamic Link Event Protocol (DLEP) is defined in
   [I-D.ietf-manet-dlep].  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.  This document defines one such
   extension.

   The base DLEP specification includes the Latency metric which
   provides an average latency on a link.  This document adds the
   ability to relay the minimum and maximum latency range seen on a
   link.  The extension defined in this document is referred to as
   "Latency Range".

   This document defines a new DLEP Extension Type Value in Section 2
   which is used to indicate the use of the extension, and one new DLEP
   Data Items in Section 3.

1.1.  Key Words

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

2.  Extension Usage and Identification

   The use of the Latency Range Extension SHOULD be configurable.  To
   indicate that the Latency Range Extension is to be used, an
   implementation MUST include the Latency Range Extension Type Value in
   the Extensions Supported Data Item.  The Extensions Supported Data
   Item is sent and processed according to [I-D.ietf-manet-dlep].

   The Latency Range Extension Type Value is TBA1, see Section 5.

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