Path MTU Discovery Using Session Traversal Utilities for NAT (STUN)
draft-ietf-tram-stun-pmtud-06
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Active Internet-Draft (tram WG)
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2017-09-01
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draft-petithuguenin-tram-stun-pmtud
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IETF
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(None)
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WG state
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WG Consensus: Waiting for Write-Up
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Document shepherd |
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Gonzalo Camarillo
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I-D Exists
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Unknown
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(None)
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Send notices to |
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Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>
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TRAM M. Petit-Huguenin
Internet-Draft Impedance Mismatch
Intended status: Standards Track G. Salgueiro
Expires: March 5, 2018 Cisco
September 1, 2017
Path MTU Discovery Using Session Traversal Utilities for NAT (STUN)
draft-ietf-tram-stun-pmtud-06
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
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 March 5, 2018.
Copyright Notice
Copyright (c) 2017 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 Simplified BSD License.
Petit-Huguenin & SalgueiroExpires March 5, 2018 [Page 1]
Internet-Draft STUN PMTUD September 2017
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 . . . . . . . . . . . . . . . . . . . . . 11
7. Security Considerations . . . . . . . . . . . . . . . . . . . 12
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 12
8.1. New STUN Methods . . . . . . . . . . . . . . . . . . . . 12
8.2. New STUN Attributes . . . . . . . . . . . . . . . . . . . 12
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 12
9.1. Normative References . . . . . . . . . . . . . . . . . . 12
9.2. Informative References . . . . . . . . . . . . . . . . . 13
Appendix A. Release Notes . . . . . . . . . . . . . . . . . . . 13
A.1. Modifications between draft-ietf-tram-stun-pmtud-06 and
draft-ietf-tram-stun-pmtud-05 . . . . . . . . . . . . . . 13
A.2. Modifications between draft-ietf-tram-stun-pmtud-05 and
draft-ietf-tram-stun-pmtud-04 . . . . . . . . . . . . . . 14
A.3. Modifications between draft-ietf-tram-stun-pmtud-04 and
draft-ietf-tram-stun-pmtud-03 . . . . . . . . . . . . . . 14
A.4. Modifications between draft-ietf-tram-stun-pmtud-03 and
draft-ietf-tram-stun-pmtud-02 . . . . . . . . . . . . . . 14
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