Re: [quicwg/base-drafts] Document TCP RTO vs QUIC PTO (#3441)

Martin Thomson <> Wed, 04 March 2020 00:02 UTC

Return-Path: <>
Received: from localhost (localhost []) by (Postfix) with ESMTP id DC6183A08B2 for <>; Tue, 3 Mar 2020 16:02:06 -0800 (PST)
X-Virus-Scanned: amavisd-new at
X-Spam-Flag: NO
X-Spam-Score: -1.685
X-Spam-Status: No, score=-1.685 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, DKIM_VALID_EF=-0.1, HTML_IMAGE_ONLY_28=1.404, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01] 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 gafC_5h8GYH8 for <>; Tue, 3 Mar 2020 16:02:01 -0800 (PST)
Received: from ( []) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by (Postfix) with ESMTPS id BB3E03A08AE for <>; Tue, 3 Mar 2020 16:02:00 -0800 (PST)
Received: from ( []) by (Postfix) with ESMTP id 6588FE0E04 for <>; Tue, 3 Mar 2020 16:01:59 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;; s=pf2014; t=1583280119; bh=HLRo1BEFvx/JYRRi0g0hBZNYit1U78um3NwBzytGOps=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=jRXtimIqGuaLBiBlo2zhH9EXtMB6RIqvZD3kmC6CvnjSvmuedSnB41F6/JcVoZ3xP 1H296MgmYRKjf2cM51VwI+hxFnyq98MO75jB3tw0105KWGHN6Ro9EoJGDvJFH54wYX ZF54dT6l85KXNqdkxZ5gk2Fo/aLrieQDugIAsXAQ=
Date: Tue, 03 Mar 2020 16:01:59 -0800
From: Martin Thomson <>
Reply-To: quicwg/base-drafts <>
To: quicwg/base-drafts <>
Cc: Subscribed <>
Message-ID: <quicwg/base-drafts/pull/3441/review/>
In-Reply-To: <quicwg/base-drafts/pull/>
References: <quicwg/base-drafts/pull/>
Subject: Re: [quicwg/base-drafts] Document TCP RTO vs QUIC PTO (#3441)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5e5eeff754b89_29253fea904cd9601086ad"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: martinthomson
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: Wed, 04 Mar 2020 00:02:07 -0000

martinthomson commented on this pull request.

> +window whenever the timer expires.  In practice, this is similar to TCP with
+F-RTO, but it does allow more packets to be sent when the congestion window was
+not fully utilized prior to the probe timeout expiring. Though this is slightly

window whenever the timer expires.  In comparison to TCP with F-RTO
{{!RFC5682}}, which corrects an unnecessary collapse of the congestion window,
this design aims to prevent the window from collapsing. Though this is slightly


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