draft-ietf-xrblock-rtcp-xr-pdv-04.txt   draft-ietf-xrblock-rtcp-xr-pdv-05.txt 
Audio/Video Transport Working Group G. Hunt Audio/Video Transport Working Group A. Clark
Internet-Draft Unaffiliated Internet-Draft Telchemy
Intended status: Standards Track A. Clark Intended status: Standards Track Q. Wu
Expires: February 25, 2013 Telchemy Expires: March 3, 2013 Huawei
Q. Wu August 30, 2012
Huawei
August 24, 2012
RTCP XR Report Block for Packet Delay Variation Metric Reporting RTCP XR Report Block for Packet Delay Variation Metric Reporting
draft-ietf-xrblock-rtcp-xr-pdv-04.txt draft-ietf-xrblock-rtcp-xr-pdv-05.txt
Abstract Abstract
This document defines an RTCP XR Report Block that allows the This document defines an RTCP XR Report Block that allows the
reporting of Packet Delay Variation metrics for a range of RTP reporting of Packet Delay Variation metrics for a range of RTP
applications. applications.
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
skipping to change at page 1, line 35 skipping to change at page 1, line 33
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 February 25, 2013. This Internet-Draft will expire on March 3, 2013.
Copyright Notice Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the Copyright (c) 2012 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 28 skipping to change at page 2, line 27
3.2. Definition of Fields in PDV Metrics Block . . . . . . . . 5 3.2. Definition of Fields in PDV Metrics Block . . . . . . . . 5
3.3. Guidance on use of PDV metrics . . . . . . . . . . . . . . 8 3.3. Guidance on use of PDV metrics . . . . . . . . . . . . . . 8
3.4. Examples of use . . . . . . . . . . . . . . . . . . . . . 9 3.4. Examples of use . . . . . . . . . . . . . . . . . . . . . 9
4. SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . . 11 4. SDP Signaling . . . . . . . . . . . . . . . . . . . . . . . . 11
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 12 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 12
5.1. New RTCP XR Block Type value . . . . . . . . . . . . . . . 12 5.1. New RTCP XR Block Type value . . . . . . . . . . . . . . . 12
5.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 12 5.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 12
5.3. Contact information for registrations . . . . . . . . . . 12 5.3. Contact information for registrations . . . . . . . . . . 12
5.4. New registry of PDV types . . . . . . . . . . . . . . . . 12 5.4. New registry of PDV types . . . . . . . . . . . . . . . . 12
6. Security Considerations . . . . . . . . . . . . . . . . . . . 14 6. Security Considerations . . . . . . . . . . . . . . . . . . . 14
7. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.1. Normative References . . . . . . . . . . . . . . . . . . . 15 8. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 16
7.2. Informative References . . . . . . . . . . . . . . . . . . 15 9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Appendix A. Change Log . . . . . . . . . . . . . . . . . . . . . 16 9.1. Normative References . . . . . . . . . . . . . . . . . . . 17
A.1. draft-ietf-xrblock-rtcp-xr-pdv-03 . . . . . . . . . . . . 16 9.2. Informative References . . . . . . . . . . . . . . . . . . 17
A.2. draft-ietf-xrblock-rtcp-xr-pdv-02 . . . . . . . . . . . . 16 Appendix A. Change Log . . . . . . . . . . . . . . . . . . . . . 18
A.3. draft-ietf-xrblock-rtcp-xr-pdv-01 . . . . . . . . . . . . 16 A.1. draft-ietf-xrblock-rtcp-xr-pdv-05 . . . . . . . . . . . . 18
A.4. draft-ietf-xrblock-rtcp-xr-pdv-00 . . . . . . . . . . . . 16 A.2. draft-ietf-xrblock-rtcp-xr-pdv-04 . . . . . . . . . . . . 18
A.5. draft-ietf-avt-rtcp-xr-pdv-03 . . . . . . . . . . . . . . 17 A.3. draft-ietf-xrblock-rtcp-xr-pdv-03 . . . . . . . . . . . . 18
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 18 A.4. draft-ietf-xrblock-rtcp-xr-pdv-02 . . . . . . . . . . . . 18
A.5. draft-ietf-xrblock-rtcp-xr-pdv-01 . . . . . . . . . . . . 18
A.6. draft-ietf-xrblock-rtcp-xr-pdv-00 . . . . . . . . . . . . 19
A.7. draft-ietf-avt-rtcp-xr-pdv-03 . . . . . . . . . . . . . . 19
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 20
1. Introduction 1. Introduction
1.1. Packet Delay Variation Metrics Block 1.1. Packet Delay Variation Metrics Block
This draft defines a new block type to augment those defined in This draft defines a new block type to augment those defined in
[RFC3611], for use in a range of RTP applications. [RFC3611], for use in a range of RTP applications.
The new block type provides information on Packet Delay Variation The new block type provides information on Packet Delay Variation
using one of several standard metrics. using one of several standard metrics.
skipping to change at page 15, line 5 skipping to change at page 15, line 5
* 1: 2-point PDV, Clause 6.2.4 of [Y.1540] * 1: 2-point PDV, Clause 6.2.4 of [Y.1540]
6. Security Considerations 6. Security Considerations
It is believed that this proposed RTCP XR report block introduces no It is believed that this proposed RTCP XR report block introduces no
new security considerations beyond those described in [RFC3611]. new security considerations beyond those described in [RFC3611].
This block does not provide per-packet statistics so the risk to This block does not provide per-packet statistics so the risk to
confidentiality documented in Section 7, paragraph 3 of [RFC3611] confidentiality documented in Section 7, paragraph 3 of [RFC3611]
does not apply. does not apply.
7. References 7. Contributors
7.1. Normative References Geoff Hunt wrote the initial version of this document.
8. Acknowledgments
The authors gratefully acknowledge the comments and contributions
made by Bruce Adams, Philip Arden, Amit Arora, Bob Biskner, Kevin
Connor, Claus Dahm, Randy Ethier, Roni Even, Jim Frauenthal, Albert
Higashi, Tom Hock, Shane Holthaus, Paul Jones, Rajesh Kumar, Keith
Lantz, Mohamed Mostafa, Amy Pendleton, Colin Perkins, Mike Ramalho,
Ravi Raviraj, Albrecht Schwarz, Tom Taylor, and Hideaki Yamada,Jing
Zhao,Kevin Gross, Colin Perkins, Charles Eckel, Glen Zorn,Shida
Schubert.
9. References
9.1. Normative References
[G.1020] ITU-T, "ITU-T Rec. G.1020, Performance parameter [G.1020] ITU-T, "ITU-T Rec. G.1020, Performance parameter
definitions for quality of speech and other voiceband definitions for quality of speech and other voiceband
applications utilizing IP networks", July 2006. applications utilizing IP networks", July 2006.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", March 1997. Requirement Levels", March 1997.
[RFC3550] Schulzrinne, H., "RTP: A Transport Protocol for Real-Time [RFC3550] Schulzrinne, H., "RTP: A Transport Protocol for Real-Time
Applications", RFC 3550, July 2003. Applications", RFC 3550, July 2003.
skipping to change at page 15, line 36 skipping to change at page 17, line 36
Description Protocol", July 2006. Description Protocol", July 2006.
[RFC5226] Narten, T., "Guidelines for Writing an IANA Considerations [RFC5226] Narten, T., "Guidelines for Writing an IANA Considerations
Section in RFCs", May 2008. Section in RFCs", May 2008.
BCP 26 BCP 26
[Y.1540] ITU-T, "ITU-T Rec. Y.1540, IP packet transfer and [Y.1540] ITU-T, "ITU-T Rec. Y.1540, IP packet transfer and
availability performance parameters", November 2007. availability performance parameters", November 2007.
7.2. Informative References 9.2. Informative References
[MEASI] Hunt, G., "Measurement Identity and information Reporting [MEASI] Hunt, G., "Measurement Identity and information Reporting
using SDES item and XR Block", using SDES item and XR Block",
ID draft-ietf-xrblock-rtcp-xr-meas-identity-06, ID draft-ietf-xrblock-rtcp-xr-meas-identity-06,
April 2012. April 2012.
[MONARCH] Hunt, G., "Monitoring Architectures for RTP", [MONARCH] Hunt, G., "Monitoring Architectures for RTP",
ID draft-ietf-avtcore-monarch-13, May 2012. ID draft-ietf-avtcore-monarch-13, May 2012.
[RFC5481] Morton, A. and B. Claise, "Packet Delay Variation [RFC5481] Morton, A. and B. Claise, "Packet Delay Variation
Applicability Statement", RFC 5481, March 2009. Applicability Statement", RFC 5481, March 2009.
[RFC6390] Clark, A. and B. Claise, "Framework for Performance Metric [RFC6390] Clark, A. and B. Claise, "Framework for Performance Metric
Development", RFC 6390, October 2011. Development", RFC 6390, October 2011.
Appendix A. Change Log Appendix A. Change Log
Note to the RFC-Editor: please remove this section prior to Note to the RFC-Editor: please remove this section prior to
publication as an RFC. publication as an RFC.
A.1. draft-ietf-xrblock-rtcp-xr-pdv-03 A.1. draft-ietf-xrblock-rtcp-xr-pdv-05
The following are the major changes to previous version
draft-ietf-xrblock-rtcp-xr-pdv-04:
o Move Geoff Hunt from author list to Contributors section based on
his suggestion.
A.2. draft-ietf-xrblock-rtcp-xr-pdv-04
The following are the major changes to previous version
draft-ietf-xrblock-rtcp-xr-pdv-03:
o Editorial changes based on Gen-Art Review and Secdir Review.
A.3. draft-ietf-xrblock-rtcp-xr-pdv-03
The following are the major changes to previous version The following are the major changes to previous version
draft-ietf-xrblock-rtcp-xr-pdv-02: draft-ietf-xrblock-rtcp-xr-pdv-02:
o Make definition of pdvtype get alignment with IANA section. o Make definition of pdvtype get alignment with IANA section.
o Make Guidance on use of PDV metrics get alignment with RFC5481. o Make Guidance on use of PDV metrics get alignment with RFC5481.
o Other Editorial changes. o Other Editorial changes.
A.2. draft-ietf-xrblock-rtcp-xr-pdv-02 A.4. draft-ietf-xrblock-rtcp-xr-pdv-02
The following are the major changes to previous version The following are the major changes to previous version
draft-ietf-xrblock-rtcp-xr-pdv-01: draft-ietf-xrblock-rtcp-xr-pdv-01:
o Updated references. o Updated references.
o Allocate one more bit for Interval metric flag to indicate sampled o Allocate one more bit for Interval metric flag to indicate sampled
metric can be used. metric can be used.
o Add a few clarification text for failure mode. o Add a few clarification text for failure mode.
A.3. draft-ietf-xrblock-rtcp-xr-pdv-01 A.5. draft-ietf-xrblock-rtcp-xr-pdv-01
The following are the major changes to previous version The following are the major changes to previous version
draft-ietf-xrblock-rtcp-xr-pdv-00: draft-ietf-xrblock-rtcp-xr-pdv-00:
o Fix typos or nits in the definition of Negative PDV Threshold/ o Fix typos or nits in the definition of Negative PDV Threshold/
Peak. Peak.
o Fix nits in Numeric format S7:8. o Fix nits in Numeric format S7:8.
o remove the text that is relevant to tag field. o remove the text that is relevant to tag field.
o Add text in SDP signaling section to clarify indicationof metric o Add text in SDP signaling section to clarify indicationof metric
unavailable. unavailable.
A.4. draft-ietf-xrblock-rtcp-xr-pdv-00 A.6. draft-ietf-xrblock-rtcp-xr-pdv-00
The following are the major changes to previous version The following are the major changes to previous version
draft-ietf-avt-rtcp-xr-pdv-03: draft-ietf-avt-rtcp-xr-pdv-03:
o Updated references. o Updated references.
A.5. draft-ietf-avt-rtcp-xr-pdv-03 A.7. draft-ietf-avt-rtcp-xr-pdv-03
The following are the major changes to previous version : The following are the major changes to previous version :
o Changed BNF for SDP following Christian Groves' and Tom Taylor's o Changed BNF for SDP following Christian Groves' and Tom Taylor's
comments (4th and 5th May 2009). comments (4th and 5th May 2009).
o Updated references. o Updated references.
Authors' Addresses Authors' Addresses
Geoff Hunt
Unaffiliated
Email: r.geoff.hunt@gmail.com
Alan Clark Alan Clark
Telchemy Incorporated Telchemy Incorporated
2905 Premiere Parkway, Suite 280 2905 Premiere Parkway, Suite 280
Duluth, GA 30097 Duluth, GA 30097
USA USA
Email: alan.d.clark@telchemy.com Email: alan.d.clark@telchemy.com
Qin Wu Qin Wu
Huawei Huawei
 End of changes. 13 change blocks. 
32 lines changed or deleted 59 lines changed or added

This html diff was produced by rfcdiff 1.41. The latest version is available from http://tools.ietf.org/tools/rfcdiff/