Path MTU Discovery Using Session Traversal Utilities for NAT (STUN)
draft-ietf-tram-stun-pmtud-10

Document Type Active Internet-Draft (tram WG)
Last updated 2018-09-27 (latest revision 2018-09-17)
Replaces draft-petithuguenin-tram-stun-pmtud
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TRAM                                                   M. Petit-Huguenin
Internet-Draft                                        Impedance Mismatch
Intended status: Standards Track                            G. Salgueiro
Expires: March 21, 2019                                            Cisco
                                                      September 17, 2018

  Path MTU Discovery Using Session Traversal Utilities for NAT (STUN)
                     draft-ietf-tram-stun-pmtud-10

Abstract

   This document describes a Session Traversal Utilities for NAT (STUN)
   Usage for Path MTU Discovery (PMTUD) between a client and a server.

Status of This Memo

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   This Internet-Draft will expire on March 21, 2019.

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   Copyright (c) 2018 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Petit-Huguenin & SalgueirExpires March 21, 2019                 [Page 1]
Internet-Draft                 STUN PMTUD                 September 2018

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Overview of Operations  . . . . . . . . . . . . . . . . . . .   3
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Probing Mechanisms  . . . . . . . . . . . . . . . . . . . . .   5
     4.1.  Simple Probing Mechanism  . . . . . . . . . . . . . . . .   6
       4.1.1.  Sending a Probe Request . . . . . . . . . . . . . . .   6
       4.1.2.  Receiving a Probe Request . . . . . . . . . . . . . .   6
       4.1.3.  Receiving a Probe Response  . . . . . . . . . . . . .   7
     4.2.  Complete Probing Mechanism  . . . . . . . . . . . . . . .   7
       4.2.1.  Sending the Probe Indications and Report Request  . .   7
       4.2.2.  Receiving an ICMP Packet  . . . . . . . . . . . . . .   8
       4.2.3.  Receiving a Probe Indication and Report Request . . .   8
       4.2.4.  Receiving a Report Response . . . . . . . . . . . . .   9
       4.2.5.  Using Checksums as Packet Identifiers . . . . . . . .   9
       4.2.6.  Using Sequence Numbers as Packet Identifiers  . . . .  10
   5.  Probe Support Signaling Mechanisms  . . . . . . . . . . . . .  10
     5.1.  Explicit Probe Support Signaling Mechanism  . . . . . . .  11
     5.2.  Implicit Probe Support Signaling Mechanism  . . . . . . .  11
   6.  STUN Attributes . . . . . . . . . . . . . . . . . . . . . . .  11
     6.1.  IDENTIFIERS . . . . . . . . . . . . . . . . . . . . . . .  11
     6.2.  PMTUD-SUPPORTED . . . . . . . . . . . . . . . . . . . . .  12
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
     8.1.  New STUN Methods  . . . . . . . . . . . . . . . . . . . .  12
     8.2.  New STUN Attributes . . . . . . . . . . . . . . . . . . .  13
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  14
   Appendix A.  Release Notes  . . . . . . . . . . . . . . . . . . .  14
     A.1.  Modifications between draft-ietf-tram-stun-pmtud-10 and
           draft-ietf-tram-stun-pmtud-09 . . . . . . . . . . . . . .  14
     A.2.  Modifications between draft-ietf-tram-stun-pmtud-09 and
           draft-ietf-tram-stun-pmtud-08 . . . . . . . . . . . . . .  14
     A.3.  Modifications between draft-ietf-tram-stun-pmtud-08 and
           draft-ietf-tram-stun-pmtud-07 . . . . . . . . . . . . . .  14
     A.4.  Modifications between draft-ietf-tram-stun-pmtud-07 and
           draft-ietf-tram-stun-pmtud-06 . . . . . . . . . . . . . .  14
     A.5.  Modifications between draft-ietf-tram-stun-pmtud-06 and
           draft-ietf-tram-stun-pmtud-05 . . . . . . . . . . . . . .  14
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