draft-ietf-avtcore-rfc5764-mux-fixes-07.txt   draft-ietf-avtcore-rfc5764-mux-fixes-08.txt 
AVTCORE M. Petit-Huguenin AVTCORE M. Petit-Huguenin
Internet-Draft Impedance Mismatch Internet-Draft Impedance Mismatch
Updates: 5764 (if approved) G. Salgueiro Updates: 5764 (if approved) G. Salgueiro
Intended status: Standards Track Cisco Systems Intended status: Standards Track Cisco Systems
Expires: November 11, 2016 May 10, 2016 Expires: November 26, 2016 May 25, 2016
Multiplexing Scheme Updates for Secure Real-time Transport Protocol Multiplexing Scheme Updates for Secure Real-time Transport Protocol
(SRTP) Extension for Datagram Transport Layer Security (DTLS) (SRTP) Extension for Datagram Transport Layer Security (DTLS)
draft-ietf-avtcore-rfc5764-mux-fixes-07 draft-ietf-avtcore-rfc5764-mux-fixes-08
Abstract Abstract
This document defines how Datagram Transport Layer Security (DTLS), This document defines how Datagram Transport Layer Security (DTLS),
Real-time Transport Protocol (RTP), RTP Control Protocol (RTCP), Real-time Transport Protocol (RTP), RTP Control Protocol (RTCP),
Session Traversal Utilities for NAT (STUN), and Traversal Using Session Traversal Utilities for NAT (STUN), and Traversal Using
Relays around NAT (TURN) packets are multiplexed on a single Relays around NAT (TURN) packets are multiplexed on a single
receiving socket. It overrides the guidance from SRTP Extension for receiving socket. It overrides the guidance from SRTP Extension for
DTLS [RFC5764], which suffered from three issues described and fixed DTLS [RFC5764], which suffered from three issues described and fixed
in this document. in this document.
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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 November 11, 2016. This Internet-Draft will expire on November 26, 2016.
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 29 skipping to change at page 2, line 29
9. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9 9. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
9.1. STUN Methods . . . . . . . . . . . . . . . . . . . . . . 9 9.1. STUN Methods . . . . . . . . . . . . . . . . . . . . . . 9
9.2. TLS ContentType . . . . . . . . . . . . . . . . . . . . . 9 9.2. TLS ContentType . . . . . . . . . . . . . . . . . . . . . 9
9.3. TURN Channel Numbers . . . . . . . . . . . . . . . . . . 10 9.3. TURN Channel Numbers . . . . . . . . . . . . . . . . . . 10
10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 10 10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 10
11. References . . . . . . . . . . . . . . . . . . . . . . . . . 10 11. References . . . . . . . . . . . . . . . . . . . . . . . . . 10
11.1. Normative References . . . . . . . . . . . . . . . . . . 10 11.1. Normative References . . . . . . . . . . . . . . . . . . 10
11.2. Informative References . . . . . . . . . . . . . . . . . 11 11.2. Informative References . . . . . . . . . . . . . . . . . 11
Appendix A. Release notes . . . . . . . . . . . . . . . . . . . 12 Appendix A. Release notes . . . . . . . . . . . . . . . . . . . 12
A.1. Modifications between draft-ietf-avtcore-rfc5764-mux- A.1. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-07 and draft-ietf-avtcore-rfc5764-mux-fixes-06 . . 12 fixes-08 and draft-ietf-avtcore-rfc5764-mux-fixes-07 . . 12
A.2. Modifications between draft-ietf-avtcore-rfc5764-mux- A.2. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-06 and draft-ietf-avtcore-rfc5764-mux-fixes-05 . . 12 fixes-07 and draft-ietf-avtcore-rfc5764-mux-fixes-06 . . 12
A.3. Modifications between draft-ietf-avtcore-rfc5764-mux- A.3. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-05 and draft-ietf-avtcore-rfc5764-mux-fixes-04 . . 12 fixes-06 and draft-ietf-avtcore-rfc5764-mux-fixes-05 . . 12
A.4. Modifications between draft-ietf-avtcore-rfc5764-mux- A.4. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-04 and draft-ietf-avtcore-rfc5764-mux-fixes-03 . . 12 fixes-05 and draft-ietf-avtcore-rfc5764-mux-fixes-04 . . 12
A.5. Modifications between draft-ietf-avtcore-rfc5764-mux- A.5. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-03 and draft-ietf-avtcore-rfc5764-mux-fixes-02 . . 12 fixes-04 and draft-ietf-avtcore-rfc5764-mux-fixes-03 . . 12
A.6. Modifications between draft-ietf-avtcore-rfc5764-mux- A.6. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-02 and draft-ietf-avtcore-rfc5764-mux-fixes-01 . . 12 fixes-03 and draft-ietf-avtcore-rfc5764-mux-fixes-02 . . 12
A.7. Modifications between draft-ietf-avtcore-rfc5764-mux- A.7. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-01 and draft-ietf-avtcore-rfc5764-mux-fixes-00 . . 13 fixes-02 and draft-ietf-avtcore-rfc5764-mux-fixes-01 . . 13
A.8. Modifications between draft-ietf-avtcore-rfc5764-mux- A.8. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-01 and draft-ietf-avtcore-rfc5764-mux-fixes-00 . . 13
A.9. Modifications between draft-ietf-avtcore-rfc5764-mux-
fixes-00 and draft-petithuguenin-avtcore-rfc5764-mux- fixes-00 and draft-petithuguenin-avtcore-rfc5764-mux-
fixes-02 . . . . . . . . . . . . . . . . . . . . . . . . 13 fixes-02 . . . . . . . . . . . . . . . . . . . . . . . . 13
A.9. Modifications between draft-petithuguenin-avtcore-rfc5764 A.10. Modifications between draft-petithuguenin-avtcore-rfc5764
-mux-fixes-00 and draft-petithuguenin-avtcore-rfc5764 -mux-fixes-00 and draft-petithuguenin-avtcore-rfc5764
-mux-fixes-01 . . . . . . . . . . . . . . . . . . . . . . 13 -mux-fixes-01 . . . . . . . . . . . . . . . . . . . . . . 13
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 13 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 13
1. Introduction 1. Introduction
Section 5.1.2 of Secure Real-time Transport Protocol (SRTP) Extension Section 5.1.2 of Secure Real-time Transport Protocol (SRTP) Extension
for DTLS [RFC5764] defines a scheme for a Real-time Transport for DTLS [RFC5764] defines a scheme for a Real-time Transport
Protocol (RTP) [RFC3550] receiver to demultiplex Datagram Transport Protocol (RTP) [RFC3550] receiver to demultiplex Datagram Transport
Layer Security (DTLS) [RFC6347], Session Traversal Utilities for NAT Layer Security (DTLS) [RFC6347], Session Traversal Utilities for NAT
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and feedback that have made the implemented protocols more mature. and feedback that have made the implemented protocols more mature.
It is up to the individual working groups to use this information as It is up to the individual working groups to use this information as
they see fit". they see fit".
Note that there is currently no implementation declared in this Note that there is currently no implementation declared in this
section, but the intent is to add RFC 6982 templates here from section, but the intent is to add RFC 6982 templates here from
implementers that support the modifications in this document. implementers that support the modifications in this document.
8. Security Considerations 8. Security Considerations
This document updates existing IANA registries, adds a new range for This document updates existing IANA registries and adds a new range
TURN channels in the demuxing algorithm, and madates an ascending for TURN channels in the demuxing algorithm.
order for testing the ranges in the demuxing algorithm.
These modifications do not introduce any specific security These modifications do not introduce any specific security
considerations beyond those detailed in [RFC5764]. considerations beyond those detailed in [RFC5764].
9. IANA Considerations 9. IANA Considerations
9.1. STUN Methods 9.1. STUN Methods
This specification contains the registration information for reserved This specification contains the registration information for reserved
STUN Methods codepoints, as explained in Section 3 and in accordance STUN Methods codepoints, as explained in Section 3 and in accordance
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[I-D.ietf-mmusic-sdp-bundle-negotiation] [I-D.ietf-mmusic-sdp-bundle-negotiation]
Holmberg, C., Alvestrand, H., and C. Jennings, Holmberg, C., Alvestrand, H., and C. Jennings,
"Negotiating Media Multiplexing Using the Session "Negotiating Media Multiplexing Using the Session
Description Protocol (SDP)", draft-ietf-mmusic-sdp-bundle- Description Protocol (SDP)", draft-ietf-mmusic-sdp-bundle-
negotiation-23 (work in progress), July 2015. negotiation-23 (work in progress), July 2015.
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-avtcore-rfc5764-mux-fixes-07 and A.1. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-08 and
draft-ietf-avtcore-rfc5764-mux-fixes-07
o Minor update to Security Considerations section.
A.2. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-07 and
draft-ietf-avtcore-rfc5764-mux-fixes-06 draft-ietf-avtcore-rfc5764-mux-fixes-06
o Addresses Martin Thomson, Ben Campbell and Stephen Farrell's o Addresses Martin Thomson, Ben Campbell and Stephen Farrell's
review comments about TLS ContentType registrations. review comments about TLS ContentType registrations.
A.2. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-06 and A.3. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-06 and
draft-ietf-avtcore-rfc5764-mux-fixes-05 draft-ietf-avtcore-rfc5764-mux-fixes-05
o Addresses Colin's WGLC review comments o Addresses Colin's WGLC review comments
A.3. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-05 and A.4. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-05 and
draft-ietf-avtcore-rfc5764-mux-fixes-04 draft-ietf-avtcore-rfc5764-mux-fixes-04
o Removed some remnants of the ordering from Section 6 o Removed some remnants of the ordering from Section 6
o Moved Terminology from Section 5 to Section 2 o Moved Terminology from Section 5 to Section 2
A.4. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-04 and A.5. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-04 and
draft-ietf-avtcore-rfc5764-mux-fixes-03 draft-ietf-avtcore-rfc5764-mux-fixes-03
o Removed Section on "Demultiplexing Algorithm Test Order" o Removed Section on "Demultiplexing Algorithm Test Order"
o Split the Introduction into separate sections o Split the Introduction into separate sections
A.5. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-03 and A.6. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-03 and
draft-ietf-avtcore-rfc5764-mux-fixes-02 draft-ietf-avtcore-rfc5764-mux-fixes-02
o Revert to the RFC 5389, as the stunbis reference was needed only o Revert to the RFC 5389, as the stunbis reference was needed only
for STUN over SCTP. for STUN over SCTP.
A.6. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-02 and A.7. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-02 and
draft-ietf-avtcore-rfc5764-mux-fixes-01 draft-ietf-avtcore-rfc5764-mux-fixes-01
o Remove any discussion about SCTP until a consensus emerges in o Remove any discussion about SCTP until a consensus emerges in
TRAM. TRAM.
A.7. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-01 and A.8. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-01 and
draft-ietf-avtcore-rfc5764-mux-fixes-00 draft-ietf-avtcore-rfc5764-mux-fixes-00
o Instead of allocating the values that are common on each registry, o Instead of allocating the values that are common on each registry,
the specification now only reserves them, giving the possibility the specification now only reserves them, giving the possibility
to allocate them in case muxing is irrelevant. to allocate them in case muxing is irrelevant.
o STUN range is now 0-3m with 2-3 being Designated Expert. o STUN range is now 0-3m with 2-3 being Designated Expert.
o TLS ContentType 0-19 and 64-255 are now reserved. o TLS ContentType 0-19 and 64-255 are now reserved.
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TURN channels packets then the whole channel numbers are TURN channels packets then the whole channel numbers are
available. available.
o If not the prefix is between 64 and 79. o If not the prefix is between 64 and 79.
o First byte test order is now by incremental values, so failure is o First byte test order is now by incremental values, so failure is
deterministic. deterministic.
o Redraw the demuxing diagram. o Redraw the demuxing diagram.
A.8. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-00 and A.9. Modifications between draft-ietf-avtcore-rfc5764-mux-fixes-00 and
draft-petithuguenin-avtcore-rfc5764-mux-fixes-02 draft-petithuguenin-avtcore-rfc5764-mux-fixes-02
o Adoption by WG. o Adoption by WG.
o Add reference to STUNbis. o Add reference to STUNbis.
A.9. Modifications between draft-petithuguenin-avtcore-rfc5764-mux- A.10. Modifications between draft-petithuguenin-avtcore-rfc5764-mux-
fixes-00 and draft-petithuguenin-avtcore-rfc5764-mux-fixes-01 fixes-00 and draft-petithuguenin-avtcore-rfc5764-mux-fixes-01
o Change affiliation. o Change affiliation.
Authors' Addresses Authors' Addresses
Marc Petit-Huguenin Marc Petit-Huguenin
Impedance Mismatch Impedance Mismatch
Email: marc@petit-huguenin.org Email: marc@petit-huguenin.org
Gonzalo Salgueiro Gonzalo Salgueiro
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