draft-ietf-xrblock-rtcp-xr-meas-identity-05.txt   draft-ietf-xrblock-rtcp-xr-meas-identity-06.txt 
Audio/Video Transport Working Group G. Hunt Audio/Video Transport Working Group G. Hunt
Internet-Draft Unaffiliated Internet-Draft Unaffiliated
Intended status: Standards Track A. Clark Intended status: Standards Track A. Clark
Expires: October 15, 2012 Telchemy Expires: October 22, 2012 Telchemy
Q. Wu Q. Wu
Huawei Huawei
April 13, 2012 April 20, 2012
Measurement Identity and information Reporting using SDES item and XR Measurement Identity and information Reporting using SDES item and XR
Block Block
draft-ietf-xrblock-rtcp-xr-meas-identity-05.txt draft-ietf-xrblock-rtcp-xr-meas-identity-06.txt
Abstract Abstract
This document defines an RTP Control Protocol (RTCP) Source This document defines an RTP Control Protocol (RTCP) Source
Description (SDES) item and an RTCP Extended Report (XR) Block Description (SDES) item and an RTCP Extended Report (XR) Block
carrying parameters that identify and describe a measurement period, carrying parameters that identify and describe a measurement period,
to which one or more other RTCP XR Report Blocks may refer. to which one or more other RTCP XR Report Blocks may refer.
Status of this Memo Status of this Memo
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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 October 15, 2012. This Internet-Draft will expire on October 22, 2012.
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
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Block . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Block . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10
5.1. New RTCP SDES Type value . . . . . . . . . . . . . . . . . 10 5.1. New RTCP SDES Type value . . . . . . . . . . . . . . . . . 10
5.2. New RTCP XR Block Type value . . . . . . . . . . . . . . . 10 5.2. New RTCP XR Block Type value . . . . . . . . . . . . . . . 10
5.3. Contact information for registrations . . . . . . . . . . 10 5.3. Contact information for registrations . . . . . . . . . . 10
6. Security Considerations . . . . . . . . . . . . . . . . . . . 11 6. Security Considerations . . . . . . . . . . . . . . . . . . . 11
7. References . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7. References . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7.1. Normative References . . . . . . . . . . . . . . . . . . . 12 7.1. Normative References . . . . . . . . . . . . . . . . . . . 12
7.2. Informative References . . . . . . . . . . . . . . . . . . 12 7.2. Informative References . . . . . . . . . . . . . . . . . . 12
Appendix A. Change Log . . . . . . . . . . . . . . . . . . . . . 13 Appendix A. Change Log . . . . . . . . . . . . . . . . . . . . . 13
A.1. draft-ietf-xrblock-xr-rtcp-meas-identity-00 . . . . . . . 13 A.1. draft-ietf-xrblock-xr-rtcp-meas-identity-06 . . . . . . . 13
A.2. draft-ietf-xrblock-xr-rtcp-meas-identity-01 . . . . . . . 13 A.2. draft-ietf-xrblock-xr-rtcp-meas-identity-05 . . . . . . . 13
A.3. draft-ietf-xrblock-xr-rtcp-meas-identity-02 . . . . . . . 13 A.3. draft-ietf-xrblock-xr-rtcp-meas-identity-04 . . . . . . . 13
A.4. draft-ietf-xrblock-xr-rtcp-meas-identity-03 . . . . . . . 14 A.4. draft-ietf-xrblock-xr-rtcp-meas-identity-03 . . . . . . . 13
A.5. draft-ietf-xrblock-xr-rtcp-meas-identity-04 . . . . . . . 14 A.5. draft-ietf-xrblock-xr-rtcp-meas-identity-02 . . . . . . . 13
A.6. draft-ietf-xrblock-xr-rtcp-meas-identity-05 . . . . . . . 14 A.6. draft-ietf-xrblock-xr-rtcp-meas-identity-01 . . . . . . . 14
A.7. draft-ietf-xrblock-xr-rtcp-meas-identity-00 . . . . . . . 14
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 15 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 15
1. Introduction 1. Introduction
This document defines one new RTP Control Protocol (RTCP) Source This document defines one new RTP Control Protocol (RTCP) Source
Description (SDES) [RFC3550] item, and one new Extended Report (XR) Description (SDES) [RFC3550] item, and one new Extended Report (XR)
Report Block carrying parameters that identify and describe a Report Block carrying parameters that identify and describe a
measurement period, to which one or more other RTCP XR Report Blocks measurement period, to which one or more other RTCP XR Report Blocks
may refer. may refer.
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First sequence number: 16 bits First sequence number: 16 bits
The RTP sequence number of the first received RTP packet of the The RTP sequence number of the first received RTP packet of the
session, used to determine the number of packets contributing to session, used to determine the number of packets contributing to
cumulative measurements. cumulative measurements.
Extended first sequence number of interval: 32 bits Extended first sequence number of interval: 32 bits
The extended RTP sequence number of the first received RTP packet The extended RTP sequence number of the first received RTP packet
of the current measurement interval. In accordance with of the current measurement interval. The extended sequence number
[RFC3550], the extended sequence number is expressed as the low 16 is expressed as the low 16 bits value containing the sequence
bits value containing the sequence number received in an RTP data number received in an RTP data packet and the most significant 16
packet and the most significant 16 bits value containing the bits value containing the corresponding count of sequence number
corresponding count of sequence number cycles. cycles. For additional information on extended sequence numbers
see "extended highest sequence number received" definition in RFC
3550 section 6.4.1 and RFC 3550 Appendix A.1.
Extended last sequence number: 32 bits Extended last sequence number: 32 bits
The extended RTP sequence number of the last received RTP packet The extended RTP sequence number of the last received RTP packet
which contributed to this measurement. In accordance with which contributed to this measurement. The extended sequence
[RFC3550], the extended sequence number is expressed as the low 16 number is expressed as the low 16 bits value containing the
bits value containing the sequence number received in an RTP data sequence number received in an RTP data packet and the most
packet and the most significant 16 bits value containing the significant 16 bits value containing the corresponding count of
corresponding count of sequence number cycles. sequence number cycles. For additional information on extended
sequence numbers see "extended highest sequence number received"
definition in RFC 3550 section 6.4.1 and RFC 3550 Appendix A.1.
Measurement Duration (Cumulative) : 32 bits Measurement Duration (Cumulative) : 32 bits
The duration, expressed in units of 1/65536 seconds, of the The duration, expressed in units of 1/65536 seconds, of the
reporting interval applicable to Cumulative reports which use this reporting interval applicable to Cumulative reports which use this
Measurement Information block. The value of this field can be Measurement Information block. The value of this field can be
calculated by the receiver of the RTP media stream, for example, calculated by the receiver of the RTP media stream, for example,
based on received RTP media packets or using RTCP method described based on received RTP media packets or using RTCP method described
in [RFC3550]. in [RFC3550].
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[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.
[RFC3611] Friedman, T., Caceres, R., and A. Clark, "RTP Control [RFC3611] Friedman, T., Caceres, R., and A. Clark, "RTP Control
Protocol Extended Reports (RTCP XR)", November 2003. Protocol Extended Reports (RTCP XR)", November 2003.
7.2. Informative References 7.2. Informative References
[MONARCH] Wu, Q., Hunt, G., and P. , "Monitoring Architectures for [MONARCH] Wu, Q., Hunt, G., and P. , "Monitoring Architectures for
RTP", ID draft-ietf-avtcore-monarch-11, March 2012. RTP", ID draft-ietf-avtcore-monarch-12, April 2012.
[MPEG2] "ISO/IEC, "Standard 13818-1"", December 2000. [MPEG2] "ISO/IEC, "Standard 13818-1"", December 2000.
[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-xr-rtcp-meas-identity-00 A.1. draft-ietf-xrblock-xr-rtcp-meas-identity-06
The following are the major changes to The following are the major changes to
draft-ietf-avt-rtcp-xr-meas-identity-02: draft-ietf-xrblock-xr-rtcp-meas-identity-04:
o Change the use of SDES item to convey measurement identity instead
of XR Block in section 2.
o Update references.
o Update security section and remove SDP signaling section. o Editorial changes.
A.2. draft-ietf-xrblock-xr-rtcp-meas-identity-01 A.2. draft-ietf-xrblock-xr-rtcp-meas-identity-05
The following are the major changes to The following are the major changes to
draft-ietf-xrblock-xr-rtcp-meas-identity-00: draft-ietf-xrblock-xr-rtcp-meas-identity-04:
o Replace SDES item containing additional measurement information o Clarify the definition of extended sequence number.
with XR Block.
o Add section 2 to describe following RFC2119 language. A.3. draft-ietf-xrblock-xr-rtcp-meas-identity-04
o Add Section 1.2 to make SDES item and XR Report be compliant with The following are the major changes to
RFC3550 and RFC3611 draft-ietf-xrblock-xr-rtcp-meas-identity-03:
o Add Section 1.3 to make SDES item and XR Report follow Performance o Change unit of measurement duration from ms to 1/65536 seconds.
Metrics Framework and RTP Monitoring Architecture.
o Add section5.2 to register the new RTCP XR Block Type value. A.4. draft-ietf-xrblock-xr-rtcp-meas-identity-03
o Remove RTCP SDES Type values that are needed. The following are the major changes to
draft-ietf-xrblock-xr-rtcp-meas-identity-02:
A.3. draft-ietf-xrblock-xr-rtcp-meas-identity-02 o The Editorial changes.
A.5. draft-ietf-xrblock-xr-rtcp-meas-identity-02
The following are the major changes to The following are the major changes to
draft-ietf-xrblock-xr-rtcp-meas-identity-01: draft-ietf-xrblock-xr-rtcp-meas-identity-01:
o Relocating information that belong to SDES item and XR Block o Relocating information that belong to SDES item and XR Block
respectively in the section 1. respectively in the section 1.
o Rephrasing the text that describes SDES packet composition. o Rephrasing the text that describes SDES packet composition.
o Rephrasing identifier description. o Rephrasing identifier description.
o Other Editorial changes. o Other Editorial changes.
A.4. draft-ietf-xrblock-xr-rtcp-meas-identity-03 A.6. draft-ietf-xrblock-xr-rtcp-meas-identity-01
The following are the major changes to The following are the major changes to
draft-ietf-xrblock-xr-rtcp-meas-identity-02: draft-ietf-xrblock-xr-rtcp-meas-identity-00:
o The Editorial changes. o Replace SDES item containing additional measurement information
with XR Block.
A.5. draft-ietf-xrblock-xr-rtcp-meas-identity-04 o Add section 2 to describe following RFC2119 language.
The following are the major changes to o Add Section 1.2 to make SDES item and XR Report be compliant with
draft-ietf-xrblock-xr-rtcp-meas-identity-03: RFC3550 and RFC3611
o Change unit of measurement duration from ms to 1/65536 seconds. o Add Section 1.3 to make SDES item and XR Report follow Performance
Metrics Framework and RTP Monitoring Architecture.
A.6. draft-ietf-xrblock-xr-rtcp-meas-identity-05 o Add section5.2 to register the new RTCP XR Block Type value.
o Remove RTCP SDES Type values that are needed.
A.7. draft-ietf-xrblock-xr-rtcp-meas-identity-00
The following are the major changes to The following are the major changes to
draft-ietf-xrblock-xr-rtcp-meas-identity-04: draft-ietf-avt-rtcp-xr-meas-identity-02:
o Clarify the definition of extended sequence number. o Change the use of SDES item to convey measurement identity instead
of XR Block in section 2.
o Update references.
o Update security section and remove SDP signaling section.
Authors' Addresses Authors' Addresses
Geoff Hunt Geoff Hunt
Unaffiliated Unaffiliated
Email: r.geoff.hunt@gmail.com Email: r.geoff.hunt@gmail.com
Alan Clark Alan Clark
Telchemy Incorporated Telchemy Incorporated
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