[xrblock] WGLC review of draft-ietf-xrblock-rtcp-xr-burst-gap-loss-02 and draft-ietf-xrblock-rtcp-xr-burst-gap-discard-04

"Roni Even" <ron.even.tlv@gmail.com> Tue, 17 July 2012 13:26 UTC

Return-Path: <ron.even.tlv@gmail.com>
X-Original-To: xrblock@ietfa.amsl.com
Delivered-To: xrblock@ietfa.amsl.com
Received: from localhost (localhost []) by ietfa.amsl.com (Postfix) with ESMTP id 5B36121F86BA for <xrblock@ietfa.amsl.com>; Tue, 17 Jul 2012 06:26:47 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.448
X-Spam-Status: No, score=-3.448 tagged_above=-999 required=5 tests=[AWL=0.150, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([]) by localhost (ietfa.amsl.com []) (amavisd-new, port 10024) with ESMTP id pi5srPVeR7qO for <xrblock@ietfa.amsl.com>; Tue, 17 Jul 2012 06:26:46 -0700 (PDT)
Received: from mail-wg0-f42.google.com (mail-wg0-f42.google.com []) by ietfa.amsl.com (Postfix) with ESMTP id 0FC0921F86AB for <xrblock@ietf.org>; Tue, 17 Jul 2012 06:26:45 -0700 (PDT)
Received: by wgbfm10 with SMTP id fm10so3268691wgb.1 for <xrblock@ietf.org>; Tue, 17 Jul 2012 06:27:32 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:subject:date:message-id:mime-version:content-type:x-mailer :thread-index:content-language; bh=+fP2ypD5KAneTR105wr83UX/iWikSvmubquoxTsy62A=; b=FQZ90g2kehdTygjAm/Gk9iYZn3nvLIiQTd2NrKuvNr7nNkd8SlyNUyTN1IVYikJmm2 7jby8pAnMoQvxYVIJS/zo9piyuD6qt0bZrtT2IJQkrCWOWPo+zblPxSbL9Nuz5V5/OSN VLuUs4WWuYNovpVZ7jlWHIGLV2rcovIPdypzoX6rm01rJkbTyJGKGKToxmYthjbgwpT0 nv6oKlWA8UUQmZnmd3KpVcEgxRUSwN6n8j1xaDwMWko/SK0I9lI1pP9RfbQbPmyXBMNm 7KIJFaLcTww5JmGZe2V7U0FbnCOLouPB7snLwt6Z6eTgRu3EN6sQ4CbjQEP3tmRPqTnF Kybg==
Received: by with SMTP id gg8mr4323586wib.14.1342531652794; Tue, 17 Jul 2012 06:27:32 -0700 (PDT)
Received: from RoniE (bzq-79-176-214-12.red.bezeqint.net. []) by mx.google.com with ESMTPS id y5sm27049380wiw.9.2012. (version=TLSv1/SSLv3 cipher=OTHER); Tue, 17 Jul 2012 06:27:32 -0700 (PDT)
From: Roni Even <ron.even.tlv@gmail.com>
To: 'xrblock' <xrblock@ietf.org>
Date: Tue, 17 Jul 2012 16:26:50 +0200
Message-ID: <011601cd6428$35c14360$a143ca20$@gmail.com>
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="----=_NextPart_000_0117_01CD6438.F94AAFA0"
X-Mailer: Microsoft Outlook 14.0
Thread-Index: Ac1kJlIMNlP1/bvuTF2l3uHGhePJrQ==
Content-Language: en-us
Subject: [xrblock] WGLC review of draft-ietf-xrblock-rtcp-xr-burst-gap-loss-02 and draft-ietf-xrblock-rtcp-xr-burst-gap-discard-04
X-BeenThere: xrblock@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Metric Blocks for use with RTCP's Extended Report Framework working group discussion list <xrblock.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/xrblock>, <mailto:xrblock-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/xrblock>
List-Post: <mailto:xrblock@ietf.org>
List-Help: <mailto:xrblock-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/xrblock>, <mailto:xrblock-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 17 Jul 2012 13:26:47 -0000


I reviewed both drafts and in general they look OK.

I have a couple of questions/comments for both drafts


1.       In section 2.1 for Received, Lost and Discarded why not use the
similar text from draft-ietf-xrblock-rtcp-xr-discard?

2.       Section 4 talks about considerations for VOIP and recommends a
value for call quality degradation. Can we have something similar for video,
at least in the second paragraph which I think is not voice specific. 

3.       In section 4 the degradation in quality mentioned is when there is
no redundancy information like FEC  so maybe mentioned that this value is
without any stream repair means.

4.       A nit in section 4 first paragraph "Where the metric is used" maybe
say "when the."



Roni Even