draft-ietf-xrblock-rtcp-xr-discard-13.txt   draft-ietf-xrblock-rtcp-xr-discard-14.txt 
Audio/Video Transport Working Group A. Clark Audio/Video Transport Working Group A. Clark
Internet-Draft Telchemy Internet-Draft Telchemy
Intended status: Standards Track G. Zorn Intended status: Standards Track G. Zorn
Expires: October 29, 2013 Network Zen Expires: November 21, 2013 Network Zen
Q. Wu Q. Wu
Huawei Huawei
April 27, 2013 May 20, 2013
RTP Control Protocol (RTCP) Extended Report (XR) Block for Discard Count RTP Control Protocol (RTCP) Extended Report (XR) Block for Discard Count
metric Reporting metric Reporting
draft-ietf-xrblock-rtcp-xr-discard-13.txt draft-ietf-xrblock-rtcp-xr-discard-14.txt
Abstract Abstract
This document defines an RTP Control Protocol(RTCP) Extended Report This document defines an RTP Control Protocol(RTCP) Extended Report
(XR) Block that allows the reporting of a simple discard count metric (XR) Block that allows the reporting of a simple discard count metric
for use in a range of RTP applications. for use in a range of RTP 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 36 skipping to change at page 1, line 36
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 29, 2013. This Internet-Draft will expire on November 21, 2013.
Copyright Notice Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the Copyright (c) 2013 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 35 skipping to change at page 2, line 35
5.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 10 5.2. New RTCP XR SDP Parameter . . . . . . . . . . . . . . . . 10
5.3. Contact information for registrations . . . . . . . . . . 10 5.3. Contact information for registrations . . . . . . . . . . 10
6. Security Considerations . . . . . . . . . . . . . . . . . . . 11 6. Security Considerations . . . . . . . . . . . . . . . . . . . 11
7. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 12 7. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 12
8. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 13 8. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 13
9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 14 9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 14
9.1. Normative References . . . . . . . . . . . . . . . . . . . 14 9.1. Normative References . . . . . . . . . . . . . . . . . . . 14
9.2. Informative References . . . . . . . . . . . . . . . . . . 14 9.2. Informative References . . . . . . . . . . . . . . . . . . 14
Appendix A. Metrics represented using RFC6390 Template . . . . . 15 Appendix A. Metrics represented using RFC6390 Template . . . . . 15
Appendix B. Change Log . . . . . . . . . . . . . . . . . . . . . 16 Appendix B. Change Log . . . . . . . . . . . . . . . . . . . . . 16
B.1. draft-ietf-xrblock-rtcp-xr-discard-13 . . . . . . . . . . 16 B.1. draft-ietf-xrblock-rtcp-xr-discard-14 . . . . . . . . . . 16
B.2. draft-ietf-xrblock-rtcp-xr-discard-12 . . . . . . . . . . 16 B.2. draft-ietf-xrblock-rtcp-xr-discard-13 . . . . . . . . . . 16
B.3. draft-ietf-xrblock-rtcp-xr-discard-11 . . . . . . . . . . 16 B.3. draft-ietf-xrblock-rtcp-xr-discard-12 . . . . . . . . . . 16
B.4. draft-ietf-xrblock-rtcp-xr-discard-10 . . . . . . . . . . 16
B.5. draft-ietf-xrblock-rtcp-xr-discard-09 . . . . . . . . . . 16
B.6. draft-ietf-xrblock-rtcp-xr-discard-08 . . . . . . . . . . 16
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 17 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 17
1. Introduction 1. Introduction
1.1. Discard Count Report Block 1.1. Discard Count Report Block
This document defines a new block type to augment those defined in This document defines a new block type to augment those defined in
[RFC3611] for use in a range of RTP applications. The new block type [RFC3611] for use in a range of RTP applications. The new block type
supports the reporting of the number of packets which are received supports the reporting of the number of packets which are received
correctly but are never played out, typically because they arrive too correctly but are never played out, typically because they arrive too
skipping to change at page 3, line 27 skipping to change at page 3, line 27
This metric is useful for identifying the existence, and This metric is useful for identifying the existence, and
characterizing the severity, of a packet transport problem which may characterizing the severity, of a packet transport problem which may
affect users' perception of a service delivered over RTP. affect users' perception of a service delivered over RTP.
This block may be used in conjunction with [BGDISCARD] which provides This block may be used in conjunction with [BGDISCARD] which provides
additional information on the pattern of discarded packets. However additional information on the pattern of discarded packets. However
the metric in [BGDISCARD] may be used independently of the metrics in the metric in [BGDISCARD] may be used independently of the metrics in
this block. this block.
In case of Discard Count Metrics Block sent together with Burst Gap When a Discard Count Metrics Block is sent together with a Burst Gap
Discard Metrics Block defined in [BGDISCARD] to the media sender or Discard Metrics Block (defined in [BGDISCARD] ) to the media sender
RTP based network management system, information carried in the or RTP based network management system, the information carried in
Discard Count Metrics Block and Burst Gap Discard Metrics Block the Discard Count Metrics Block and the Burst Gap Discard Metrics
allows them calculate the some bust gap summary statistics, e.g., gap Block allows systems receiving the blocks to calculate burst gap
discard rate. summary statistics (e.g., the gap discard rate).
The metric belongs to the class of transport-related end system The metric belongs to the class of transport-related end system
metrics defined in [RFC6792]. metrics defined in [RFC6792].
1.2. RTCP and RTCP XR Reports 1.2. RTCP and RTCP XR Reports
The use of RTCP for reporting is defined in [RFC3550]. [RFC3611] The use of RTCP for reporting is defined in [RFC3550]. [RFC3611]
defined an extensible structure for reporting using an RTCP Extended defined an extensible structure for reporting using an RTCP Extended
Report (XR). This document defines a new Extended Report block for Report (XR). This document defines a new Extended Report block for
use with [RFC3550] and [RFC3611]. use with [RFC3550] and [RFC3611].
skipping to change at page 16, line 10 skipping to change at page 16, line 10
* Use and applications: See section 1.4 [RFCXXXX]. * Use and applications: See section 1.4 [RFCXXXX].
* Reporting model: See RFC3611. * Reporting model: See RFC3611.
Appendix B. Change Log Appendix B. 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.
B.1. draft-ietf-xrblock-rtcp-xr-discard-13 B.1. draft-ietf-xrblock-rtcp-xr-discard-14
The following are the major changes compared to previous version:
o Some editorial changes to get in line with burst gap drafts.
B.2. draft-ietf-xrblock-rtcp-xr-discard-12
The following are the major changes compared to previous version:
o Incorporate some changes to burst gap draft that applies to this
document.
o Use RFC6390 template to the metrics in the appendix.
B.3. draft-ietf-xrblock-rtcp-xr-discard-11
The following are the major changes compared to previous version:
o Editorial change t based on SDP Directorate and Colin's Review.
B.4. draft-ietf-xrblock-rtcp-xr-discard-10
The following are the major changes compared to previous version: The following are the major changes compared to previous version:
o Editorial change to get in line with recently discussed drafts. o Editorial changes to paragraph 4 of section 1.1.
o Remove DT=3 based on the discussion to summary statistics draft.
B.5. draft-ietf-xrblock-rtcp-xr-discard-09 B.2. draft-ietf-xrblock-rtcp-xr-discard-13
The following are the major changes compared to previous version: The following are the major changes compared to previous version:
o SDP Duplicated Parameter Deleting. o Some editorial changes to get in line with burst gap drafts.
B.6. draft-ietf-xrblock-rtcp-xr-discard-08 B.3. draft-ietf-xrblock-rtcp-xr-discard-12
The following are the major changes compared to previous version: The following are the major changes compared to previous version:
o Outdated reference update. o Incorporate some changes to burst gap draft that applies to this
document.
o Editorial changes based on comments that applied to PDV and Delay o Use RFC6390 template to the metrics in the appendix.
drafts.
Authors' Addresses Authors' Addresses
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
 End of changes. 13 change blocks. 
47 lines changed or deleted 21 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/