draft-ietf-tram-stun-pmtud-01.txt   draft-ietf-tram-stun-pmtud-02.txt 
TRAM M. Petit-Huguenin TRAM M. Petit-Huguenin
Internet-Draft Impedance Mismatch Internet-Draft Impedance Mismatch
Intended status: Standards Track G. Salgueiro Intended status: Standards Track G. Salgueiro
Expires: July 29, 2016 Cisco Expires: January 26, 2017 Cisco
January 26, 2016 July 25, 2016
Path MTU Discovery Using Session Traversal Utilities for NAT (STUN) Path MTU Discovery Using Session Traversal Utilities for NAT (STUN)
draft-ietf-tram-stun-pmtud-01 draft-ietf-tram-stun-pmtud-02
Abstract Abstract
This document describes a Session Traversal Utilities for NAT (STUN) This document describes a Session Traversal Utilities for NAT (STUN)
usage for Path MTU Discovery (PMTUD) between a client and a server. usage for Path MTU Discovery (PMTUD) between a client and a server.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on July 29, 2016. This Internet-Draft will expire on January 26, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2016 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 2, line 34 skipping to change at page 2, line 34
6.3. Probe Support Discovery with ICE . . . . . . . . . . . . 7 6.3. Probe Support Discovery with ICE . . . . . . . . . . . . 7
7. Security Considerations . . . . . . . . . . . . . . . . . . . 8 7. Security Considerations . . . . . . . . . . . . . . . . . . . 8
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8
8.1. New STUN Methods . . . . . . . . . . . . . . . . . . . . 8 8.1. New STUN Methods . . . . . . . . . . . . . . . . . . . . 8
8.2. New STUN Attributes . . . . . . . . . . . . . . . . . . . 8 8.2. New STUN Attributes . . . . . . . . . . . . . . . . . . . 8
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 8 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 8
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 8 10. References . . . . . . . . . . . . . . . . . . . . . . . . . 8
10.1. Normative References . . . . . . . . . . . . . . . . . . 9 10.1. Normative References . . . . . . . . . . . . . . . . . . 9
10.2. Informative References . . . . . . . . . . . . . . . . . 9 10.2. Informative References . . . . . . . . . . . . . . . . . 9
Appendix A. Release Notes . . . . . . . . . . . . . . . . . . . 9 Appendix A. Release Notes . . . . . . . . . . . . . . . . . . . 9
A.1. Modifications between draft-ietf-tram-stun-pmtud-01 and A.1. Modifications between draft-ietf-tram-stun-pmtud-02 and
draft-ietf-tram-stun-pmtud-01 . . . . . . . . . . . . . . 10
A.2. Modifications between draft-ietf-tram-stun-pmtud-01 and
draft-ietf-tram-stun-pmtud-00 . . . . . . . . . . . . . . 10 draft-ietf-tram-stun-pmtud-00 . . . . . . . . . . . . . . 10
A.2. Modifications between draft-ietf-tram-stun-pmtud-00 and A.3. Modifications between draft-ietf-tram-stun-pmtud-00 and
draft-petithuguenin-tram-stun-pmtud-01 . . . . . . . . . 10 draft-petithuguenin-tram-stun-pmtud-01 . . . . . . . . . 10
A.3. Modifications between draft-petithuguenin-tram-stun-
pmtud-01 and draft-petithuguenin-tram-stun-pmtud-00 . . . 10
A.4. Modifications between draft-petithuguenin-tram-stun- A.4. Modifications between draft-petithuguenin-tram-stun-
pmtud-01 and draft-petithuguenin-tram-stun-pmtud-00 . . . 10
A.5. Modifications between draft-petithuguenin-tram-stun-
pmtud-00 and draft-petithuguenin-behave-stun-pmtud-03 . . 10 pmtud-00 and draft-petithuguenin-behave-stun-pmtud-03 . . 10
A.5. Modifications between draft-petithuguenin-behave-stun-
pmtud-03 and draft-petithuguenin-behave-stun-pmtud-02 . . 10
A.6. Modifications between draft-petithuguenin-behave-stun- A.6. Modifications between draft-petithuguenin-behave-stun-
pmtud-02 and draft-petithuguenin-behave-stun-pmtud-01 . . 10 pmtud-03 and draft-petithuguenin-behave-stun-pmtud-02 . . 10
A.7. Modifications between draft-petithuguenin-behave-stun- A.7. Modifications between draft-petithuguenin-behave-stun-
pmtud-02 and draft-petithuguenin-behave-stun-pmtud-01 . . 10
A.8. Modifications between draft-petithuguenin-behave-stun-
pmtud-01 and draft-petithuguenin-behave-stun-pmtud-00 . . 11 pmtud-01 and draft-petithuguenin-behave-stun-pmtud-00 . . 11
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11
1. Introduction 1. Introduction
The Packetization Layer Path MTU Discovery specification [RFC4821] The Packetization Layer Path MTU Discovery specification [RFC4821]
describes a method to discover the path MTU but does not describe a describes a method to discover the path MTU but does not describe a
practical protocol to do so with UDP. practical protocol to do so with UDP.
This document only describes how probing mechanisms are implemented This document only describes how probing mechanisms are implemented
skipping to change at page 9, line 7 skipping to change at page 9, line 7
their review comments, suggestions and questions that helped to their review comments, suggestions and questions that helped to
improve this document. improve this document.
Special thanks to Dan Wing, who supported this document since its Special thanks to Dan Wing, who supported this document since its
first publication back in 2008. first publication back in 2008.
10. References 10. References
10.1. Normative References 10.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<http://www.rfc-editor.org/info/rfc2119>.
[RFC4821] Mathis, M. and J. Heffner, "Packetization Layer Path MTU [RFC4821] Mathis, M. and J. Heffner, "Packetization Layer Path MTU
Discovery", RFC 4821, March 2007. Discovery", RFC 4821, DOI 10.17487/RFC4821, March 2007,
<http://www.rfc-editor.org/info/rfc4821>.
[RFC5389] Rosenberg, J., Mahy, R., Matthews, P., and D. Wing,
"Session Traversal Utilities for NAT (STUN)", RFC 5389,
October 2008.
[RFC5245] Rosenberg, J., "Interactive Connectivity Establishment [RFC5245] Rosenberg, J., "Interactive Connectivity Establishment
(ICE): A Protocol for Network Address Translator (NAT) (ICE): A Protocol for Network Address Translator (NAT)
Traversal for Offer/Answer Protocols", RFC 5245, April Traversal for Offer/Answer Protocols", RFC 5245,
2010. DOI 10.17487/RFC5245, April 2010,
<http://www.rfc-editor.org/info/rfc5245>.
[RFC5389] Rosenberg, J., Mahy, R., Matthews, P., and D. Wing,
"Session Traversal Utilities for NAT (STUN)", RFC 5389,
DOI 10.17487/RFC5389, October 2008,
<http://www.rfc-editor.org/info/rfc5389>.
10.2. Informative References 10.2. Informative References
[I-D.martinsen-tram-stuntrace] [I-D.martinsen-tram-stuntrace]
Martinsen, P. and D. Wing, "STUN Traceroute", draft- Martinsen, P. and D. Wing, "STUN Traceroute", draft-
martinsen-tram-stuntrace-01 (work in progress), June 2015. martinsen-tram-stuntrace-01 (work in progress), June 2015.
[I-D.martinsen-tram-turnbandwidthprobe] [I-D.martinsen-tram-turnbandwidthprobe]
Martinsen, P., Andersen, T., Salgueiro, G., and M. Petit- Martinsen, P., Andersen, T., Salgueiro, G., and M. Petit-
Huguenin, "Traversal Using Relays around NAT (TURN) Huguenin, "Traversal Using Relays around NAT (TURN)
Bandwidth Probe", draft-martinsen-tram- Bandwidth Probe", draft-martinsen-tram-
turnbandwidthprobe-00 (work in progress), May 2015. turnbandwidthprobe-00 (work in progress), May 2015.
[I-D.ietf-payload-flexible-fec-scheme]
Singh, V., Begen, A., Zanaty, M., and G. Mandyam, "RTP
Payload Format for Flexible Forward Error Correction
(FEC)", draft-ietf-payload-flexible-fec-scheme-01 (work in
progress), October 2015.
[RFC5780] MacDonald, D. and B. Lowekamp, "NAT Behavior Discovery [RFC5780] MacDonald, D. and B. Lowekamp, "NAT Behavior Discovery
Using Session Traversal Utilities for NAT (STUN)", Using Session Traversal Utilities for NAT (STUN)",
RFC 5780, May 2010. RFC 5780, DOI 10.17487/RFC5780, May 2010,
<http://www.rfc-editor.org/info/rfc5780>.
[RFC6982] Sheffer, Y. and A. Farrel, "Improving Awareness of Running
Code: The Implementation Status Section", RFC 6982, July
2013.
Appendix A. Release Notes Appendix A. Release Notes
This section must be removed before publication as an RFC. This section must be removed before publication as an RFC.
A.1. Modifications between draft-ietf-tram-stun-pmtud-01 and draft- A.1. Modifications between draft-ietf-tram-stun-pmtud-02 and draft-
ietf-tram-stun-pmtud-01
o Cleaned up references.
A.2. Modifications between draft-ietf-tram-stun-pmtud-01 and draft-
ietf-tram-stun-pmtud-00 ietf-tram-stun-pmtud-00
o Added Security Considerations Section. o Added Security Considerations Section.
o Added IANA Considerations Section. o Added IANA Considerations Section.
A.2. Modifications between draft-ietf-tram-stun-pmtud-00 and draft- A.3. Modifications between draft-ietf-tram-stun-pmtud-00 and draft-
petithuguenin-tram-stun-pmtud-01 petithuguenin-tram-stun-pmtud-01
o Adopted by WG - Text unchanged. o Adopted by WG - Text unchanged.
A.3. Modifications between draft-petithuguenin-tram-stun-pmtud-01 and A.4. Modifications between draft-petithuguenin-tram-stun-pmtud-01 and
draft-petithuguenin-tram-stun-pmtud-00 draft-petithuguenin-tram-stun-pmtud-00
o Moved some Introduction text to the Probing Mechanism section. o Moved some Introduction text to the Probing Mechanism section.
o Added cross-reference to the other two STUN troubleshooting o Added cross-reference to the other two STUN troubleshooting
mechanism drafts. mechanism drafts.
o Updated references. o Updated references.
o Added Gonzalo Salgueiro as co-author. o Added Gonzalo Salgueiro as co-author.
A.4. Modifications between draft-petithuguenin-tram-stun-pmtud-00 and A.5. Modifications between draft-petithuguenin-tram-stun-pmtud-00 and
draft-petithuguenin-behave-stun-pmtud-03 draft-petithuguenin-behave-stun-pmtud-03
o General refresh for republication. o General refresh for republication.
A.5. Modifications between draft-petithuguenin-behave-stun-pmtud-03 and A.6. Modifications between draft-petithuguenin-behave-stun-pmtud-03 and
draft-petithuguenin-behave-stun-pmtud-02 draft-petithuguenin-behave-stun-pmtud-02
o Changed author address. o Changed author address.
o Changed the IPR to trust200902. o Changed the IPR to trust200902.
A.6. Modifications between draft-petithuguenin-behave-stun-pmtud-02 and A.7. Modifications between draft-petithuguenin-behave-stun-pmtud-02 and
draft-petithuguenin-behave-stun-pmtud-01 draft-petithuguenin-behave-stun-pmtud-01
o Replaced the transactions identifiers by packet identifiers o Replaced the transactions identifiers by packet identifiers
o Defined checksum and sequential numbers as possible packet o Defined checksum and sequential numbers as possible packet
identifiers. identifiers.
o Updated the reference to RFC 5389 o Updated the reference to RFC 5389
o The FINGERPRINT attribute is now mandatory. o The FINGERPRINT attribute is now mandatory.
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o Changed the delay between Probe indication and Report request to o Changed the delay between Probe indication and Report request to
be RTO/2 or 50 milliseconds. be RTO/2 or 50 milliseconds.
o Added ICMP packet processing. o Added ICMP packet processing.
o Added Full-Stop Timeout detection. o Added Full-Stop Timeout detection.
o Stated that Binding request with PMTUD-SUPPORTED does not start o Stated that Binding request with PMTUD-SUPPORTED does not start
the PMTUD process if already started. the PMTUD process if already started.
A.7. Modifications between draft-petithuguenin-behave-stun-pmtud-01 and A.8. Modifications between draft-petithuguenin-behave-stun-pmtud-01 and
draft-petithuguenin-behave-stun-pmtud-00 draft-petithuguenin-behave-stun-pmtud-00
o Removed the use of modified STUN transaction but shorten the o Removed the use of modified STUN transaction but shorten the
retransmission for the simple probing mechanism. retransmission for the simple probing mechanism.
o Added a complete probing mechanism. o Added a complete probing mechanism.
o Removed the PADDING-RECEIVED attribute. o Removed the PADDING-RECEIVED attribute.
o Added release notes. o Added release notes.
 End of changes. 22 change blocks. 
37 lines changed or deleted 40 lines changed or added

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