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 972A91201E5 for ; Wed, 18 Sep 2019 04:06:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.454 X-Spam-Level: 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: 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 dwmWutUJglnk for ; Wed, 18 Sep 2019 04:06:20 -0700 (PDT) Received: from out-10.smtp.github.com (out-10.smtp.github.com [192.30.254.193]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6273F120104 for ; Wed, 18 Sep 2019 04:06:20 -0700 (PDT) Date: Wed, 18 Sep 2019 04:06:19 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1568804780; bh=owT2Rq+ip0cOprnTis1Cxqkbw3VLwZs9fGDZ5semXWw=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=O36yqDB5k6phOr3wV8LR/4YoRUXnW0oPuB7od2VxDiT8fNBvpEA0F6Hr8c/oPEL1e Y7gNY4kTv3XWlnkCXaP6Po57dKpDpzgevKqZe3BvNtajWY2d5j1EX/LsPO8HlKhHzA pTMvoOjWlpT6/HWpHzcclkA6pmdePEaaZRGsqVGA= From: Martin Thomson Reply-To: quicwg/base-drafts To: quicwg/base-drafts Cc: Subscribed Message-ID: In-Reply-To: References: Subject: Re: [quicwg/base-drafts] Handling of Retire Prior To field (#3046) Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="--==_mimepart_5d820faba6f3f_37133fa5cf2cd968107046"; 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 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: Wed, 18 Sep 2019 11:06:22 -0000 ----==_mimepart_5d820faba6f3f_37133fa5cf2cd968107046 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit That almost works, except that PTO isn't a shared variable. It's subjective and so endpoints might disagree on where this line is. At 3PTO, that's probably not a disagreement worth having, but you are effectively recommending instant compliance if you set the bar that low, as packet loss on any packet sent that attempts to comply might cause it to take up to 3PTO to get through. -- 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/issues/3046#issuecomment-532635972 ----==_mimepart_5d820faba6f3f_37133fa5cf2cd968107046 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

That almost works, except that PTO isn't a shared variable. It's subjective and so endpoints might disagree on where this line is. At 3PTO, that's probably not a disagreement worth having, but you are effectively recommending instant compliance if you set the bar that low, as packet loss on any packet sent that attempts to comply might cause it to take up to 3PTO to get through.

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