From nobody Thu Mar 12 05:42:05 2020 Return-Path: X-Original-To: quic-issues@ietfa.amsl.com Delivered-To: quic-issues@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2A9AB3A0FF4 for ; Thu, 12 Mar 2020 05:42:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.554 X-Spam-Level: X-Spam-Status: No, score=-1.554 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_20=1.546, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=github.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WTfDExmnLQCv for ; Thu, 12 Mar 2020 05:42:01 -0700 (PDT) Received: from out-24.smtp.github.com (out-24.smtp.github.com [192.30.252.207]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 92EF63A1001 for ; Thu, 12 Mar 2020 05:42:01 -0700 (PDT) Received: from github-lowworker-3a0df0f.ac4-iad.github.net (github-lowworker-3a0df0f.ac4-iad.github.net [10.52.25.92]) by smtp.github.com (Postfix) with ESMTP id DBEBF6A0A90 for ; Thu, 12 Mar 2020 05:42:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1584016920; bh=waEv73NA7yTUOq4OHAEhTQ94U49EuOtQ/DZC7ypIcMI=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=StmRzoPX+04iFEaxZJAUdEEqfBjLP/1YgjoM7AxKNBZHOHvigB9ClTb9Xih684PXQ pyWj/tO7t1ohCs4YjPIEGMXCDA3KG9TYWZFucSWYLFn2k3eTRFqJJD1Rk27y+OIxUF 1OCqFhBbgCkZd0PsPw+9nvACvT8fk8buEx9oxHlQ= Date: Thu, 12 Mar 2020 05:42:00 -0700 From: ianswett Reply-To: quicwg/base-drafts To: quicwg/base-drafts Cc: Subscribed Message-ID: In-Reply-To: References: Subject: Re: [quicwg/base-drafts] MAY send 1 packet entering recovery (#3443) Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="--==_mimepart_5e6a2e18ccf03_60313fdac40cd9687447"; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: list X-GitHub-Sender: ianswett X-GitHub-Recipient: quic-issues X-GitHub-Reason: subscribed X-Auto-Response-Suppress: All X-GitHub-Recipient-Address: quic-issues@ietf.org Archived-At: X-BeenThere: quic-issues@ietf.org 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: Thu, 12 Mar 2020 12:42:03 -0000 ----==_mimepart_5e6a2e18ccf03_60313fdac40cd9687447 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit ianswett commented on this pull request. > @@ -706,6 +706,13 @@ The recovery period limits congestion window reduction to once per round trip. During recovery, the congestion window remains unchanged irrespective of new losses or increases in the ECN-CE counter. +When entering recovery, a single packet MAY be sent even if bytes in flight Agreed, but the amplification factor is a MUST and this is a MAY, so I think the MUST wins here? -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/quicwg/base-drafts/pull/3443#discussion_r391593572 ----==_mimepart_5e6a2e18ccf03_60313fdac40cd9687447 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

@ianswett commented on this pull request.

In draft-ietf-quic-recovery.md:

> @@ -706,6 +706,13 @@ The recovery period limits congestion window reduction to once per round trip.
 During recovery, the congestion window remains unchanged irrespective of new
 losses or increases in the ECN-CE counter.
 
+When entering recovery, a single packet MAY be sent even if bytes in flight

Agreed, but the amplification factor is a MUST and this is a MAY, so I think the MUST wins here?

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