Re: [quicwg/base-drafts] congestion window increase on every ACKed packet could result in bursty sends (#3094)

Praveen Balasubramanian <> Sun, 17 November 2019 13:50 UTC

Return-Path: <>
Received: from localhost (localhost []) by (Postfix) with ESMTP id 03FC2120108 for <>; Sun, 17 Nov 2019 05:50:03 -0800 (PST)
X-Virus-Scanned: amavisd-new at
X-Spam-Flag: NO
X-Spam-Score: -6.454
X-Spam-Status: No, score=-6.454 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_IMAGE_ONLY_20=1.546, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: (amavisd-new); dkim=pass (1024-bit key)
Received: from ([]) by localhost ( []) (amavisd-new, port 10024) with ESMTP id qgiuMRN2BjRO for <>; Sun, 17 Nov 2019 05:50:01 -0800 (PST)
Received: from ( []) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by (Postfix) with ESMTPS id BB4131200CD for <>; Sun, 17 Nov 2019 05:50:01 -0800 (PST)
Date: Sun, 17 Nov 2019 05:50:01 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;; s=pf2014; t=1573998601; bh=HJe6sdTCChuFvW/p76Ofu2/GkzixI5lzOh0S0a6fRmY=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=sO0HJPU+Ut8FOIRTGTLLFasuiyS+DSzOzEPGO+jnPbRzCBj7JCqZmMLhMc5ZcmcK0 OnAU7eUhNd7pV1d497Io7tm3imS6Bz7GEvAgPH3qnhPHMSjbv4SowyacOz88S6K0m/ bjvAEEmDRcDi5agxUkHs5MsVZacoTCVCpXyCbt7M=
From: Praveen Balasubramanian <>
Reply-To: quicwg/base-drafts <>
To: quicwg/base-drafts <>
Cc: Subscribed <>
Message-ID: <quicwg/base-drafts/issues/3094/>
In-Reply-To: <quicwg/base-drafts/issues/>
References: <quicwg/base-drafts/issues/>
Subject: Re: [quicwg/base-drafts] congestion window increase on every ACKed packet could result in bursty sends (#3094)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5dd15009af50_3b863fe0ecacd96c829391"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: pravb
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
Archived-At: <>
X-Mailman-Version: 2.1.29
List-Id: Notification list for GitHub issues related to the QUIC WG <>
List-Unsubscribe: <>, <>
List-Archive: <>
List-Post: <>
List-Help: <>
List-Subscribe: <>, <>
X-List-Received-Date: Sun, 17 Nov 2019 13:50:03 -0000

I agree that when not pacing, using an ABC limit is appropriate. FWIW Windows TCP was using a limit of 4 and not 2 for a long time and now uses 8 which is pretty close to IW10 burst in slow start phase.

You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub: