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 9051212088E for ; Thu, 6 Feb 2020 04:05:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.999 X-Spam-Level: X-Spam-Status: No, score=-7.999 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_32=0.001, 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 khYl7bbBmYY0 for ; Thu, 6 Feb 2020 04:05:40 -0800 (PST) Received: from out-17.smtp.github.com (out-17.smtp.github.com [192.30.252.200]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 11952120893 for ; Thu, 6 Feb 2020 04:05:40 -0800 (PST) Date: Thu, 06 Feb 2020 04:05:39 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1580990739; bh=gAZ4o0BIJaHQN2yKX+28kcWkUYhCqoV5WupARX8p2g0=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=1FDi/71pSt7Y5l9AQ4obLqO4A902VoVl2tR/JSmbm/r2G2i+9IPqL8hAU+FZtNUHV OAWCw9YBh6QRActkIXlqUOIEvk7wEQPIUhcRzc31xo787y3PVIm94kWtan0VJ8jwF9 u60rHPvokcA7E7GoGZ6ZhOkI/5f6oxlN0ypexIf8= 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] Clarify zero-length CIDs and active_connection_id_limit TP (#3426) Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="--==_mimepart_5e3c0113176ff_2a4b3fc4120cd9681210b7"; 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: Thu, 06 Feb 2020 12:05:41 -0000 ----==_mimepart_5e3c0113176ff_2a4b3fc4120cd9681210b7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit martinthomson approved this pull request. This is good. Thanks for putting this together Nick. > @@ -4697,11 +4697,11 @@ active_connection_id_limit (0x000e): to store. This value includes the connection ID received during the handshake, that received in the preferred_address transport parameter, and those received in NEW_CONNECTION_ID frames. - Unless a zero-length connection ID is being used, the value of the - active_connection_id_limit parameter MUST be no less than 2. If this - transport parameter is absent, a default of 2 is assumed. - When a zero-length connection ID is being used, the active_connection_id_limit - parameter MUST NOT be sent. + The value of the active_connection_id_limit parameter MUST be no less + than 2. If this transport parameter is absent, a default of 2 is assumed. + If an endpoint uses a zero-length connection ID, the + active_connection_id_limit value received from its peer is ignored and + not used. ```suggestion not used, as NEW_CONNECTION_ID frames can't be sent by a peer that opts for a zero-length connection ID. ``` -- 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/3426#pullrequestreview-354399838 ----==_mimepart_5e3c0113176ff_2a4b3fc4120cd9681210b7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

@martinthomson approved this pull request.

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This is good. Thanks for putting this together Nick.

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In draft-ietf-quic-transport.md:

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> @@ -4697,11 +4697,11 @@ active_connection_=
id_limit (0x000e):=0D
   to store. This value includes the connection ID received during the ha=
ndshake,=0D
   that received in the preferred_address transport parameter, and those =
received=0D
   in NEW_CONNECTION_ID frames.=0D
-  Unless a zero-length connection ID is being used, the value of the=0D
-  active_connection_id_limit parameter MUST be no less than 2. If this=0D=

-  transport parameter is absent, a default of 2 is assumed.=0D
-  When a zero-length connection ID is being used, the active_connection_=
id_limit=0D
-  parameter MUST NOT be sent.=0D
+  The value of the active_connection_id_limit parameter MUST be no less=0D=

+  than 2. If this transport parameter is absent, a default of 2 is assum=
ed.=0D
+  If an endpoint uses a zero-length connection ID, the=0D
+  active_connection_id_limit value received from its peer is ignored and=
=0D
+  not used.=0D
=0D =E2=AC=87=EF=B8=8F Suggested change=0D 
-  not used.=0D
+  not used, as NEW_CONNECTION_ID frames can't be sent by a peer that opt=
s for=0D
+  a zero-length connection ID.=0D
=0D =0D =0D

&m= dash;
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