Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcp-xr-discard-10.txt
Qin Wu <bill.wu@huawei.com> Wed, 19 December 2012 01:17 UTC
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From: Qin Wu <bill.wu@huawei.com>
To: Colin Perkins <csp@csperkins.org>
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Date: Wed, 19 Dec 2012 09:17:18 +0800
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Subject: Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcp-xr-discard-10.txt
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Okay, thanks. ----- Original Message ----- From: "Colin Perkins" <csp@csperkins.org> To: "Qin Wu" <bill.wu@huawei.com> Cc: <xrblock@ietf.org> Sent: Tuesday, December 18, 2012 11:29 PM Subject: Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcp-xr-discard-10.txt On 14 Dec 2012, at 10:14, Qin Wu wrote: > On 14 December , 2012 6:04 PM, Internet-Drafts@ietf.org wrote: >> A New Internet-Draft is available from the on-line Internet-Drafts directories. >> This draft is a work item of the Metric Blocks for use with RTCP's Extended Report Framework Working Group of the IETF. >> >> Title : RTP Control Protocol (RTCP) Extended Report (XR) Block for Discard Count metric Reporting >> Author(s) : Alan Clark >> Glen Zorn >> Qin Wu >> Filename : draft-ietf-xrblock-rtcp-xr-discard-10.txt >> Pages : 16 >> Date : 2012-12-14 >> >> Abstract: >> This document defines an RTP Control Protocol(RTCP) Extended Report >> (XR) Block that allows the reporting of a simple discard count metric >> for use in a range of RTP applications. >> >> >> The IETF datatracker status page for this draft is: >> https://datatracker.ietf.org/doc/draft-ietf-xrblock-rtcp-xr-discard > > [Qin]: Here is one more update to Discard draft. The main change is to > remove DT=3 to address the issue raised to Summary Statistics draft by Colin. Thanks. > The others are just editorial changes which are used to get in line with the one we made for burst Gap related drafts. Two other minor comments on this draft: - In Section 3.2, the text: “An endpoint MAY report only one of the above three discard types blocks in an compound RTCP report in a reporting interval. It MAY also report a combination of any two discard types in a compound RTCP report. The endpoint MAY report duplicate packet discard (DT=0) block with the other two discard (DT=1, 2) blocks.” is confusing. Would it not be clearer to say “An endpoint MAY report any combination of discard types in each reporting interval by including several Discard Count Metric Report Blocks in a single RTCP XR packet”. - In Section 3.2, the text “The length of this report block in 32-bit words, minus one and MUST be set to 2,, in accordance with the definition of this field in [RFC3611]” should probably read “The length of this report block in 32-bit words, minus one, in accordance with the definition in [RFC3611]. This field MUST be set to 2 to match the fixed length of the report block.” -- Colin Perkins http://csperkins.org/ _______________________________________________ xrblock mailing list xrblock@ietf.org https://www.ietf.org/mailman/listinfo/xrblock