From nobody Tue Jun 29 02:24:37 2021 Return-Path: X-Original-To: ipv6@ietfa.amsl.com Delivered-To: ipv6@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D2FEA3A2CA7 for ; Tue, 29 Jun 2021 02:24:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.236 X-Spam-Level: X-Spam-Status: No, score=-2.236 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.338, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 tzXGA3EMdYW7 for ; Tue, 29 Jun 2021 02:24:31 -0700 (PDT) Received: from mail.netability.ie (mail.netability.ie [IPv6:2a03:8900:0:100::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 330C53A2CA4 for ; Tue, 29 Jun 2021 02:24:30 -0700 (PDT) X-Envelope-To: ipv6@ietf.org Received: from crumpet.local (admin.ibn.ie [46.182.8.8]) (authenticated bits=0) by mail.netability.ie (8.16.1/8.16.1) with ESMTPSA id 15T9ON1B039032 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 29 Jun 2021 10:24:23 +0100 (IST) (envelope-from nick@foobar.org) X-Authentication-Warning: cheesecake.ibn.ie: Host admin.ibn.ie [46.182.8.8] claimed to be crumpet.local Subject: Re: I-D Action: draft-herbert-6man-eh-limits-00.txt To: Brian E Carpenter Cc: 6man References: <162441011024.16699.3109899403536421779@ietfa.amsl.com> <380f8ddb-2b12-c7b2-b141-f6eaba06968a@gmail.com> From: Nick Hilliard Message-ID: <0669e464-f30c-6f79-db01-d6e6c371f8ad@foobar.org> Date: Tue, 29 Jun 2021 10:24:22 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:52.0) Gecko/20100101 PostboxApp/7.0.48 MIME-Version: 1.0 In-Reply-To: <380f8ddb-2b12-c7b2-b141-f6eaba06968a@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Archived-At: X-BeenThere: ipv6@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "IPv6 Maintenance Working Group \(6man\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Jun 2021 09:24:36 -0000 Brian E Carpenter wrote on 29/06/2021 00:22: > So, if we prescribed a 64 byte limit, we would also limit what extension headers can achieve. quantification of requirements might be helpful here? i.e. if the draft included a table of RFCs (+ IDs?) with data about EH size, specifically the minimum size but possibly also a useful size range and maximum where that existed. https://www.iana.org/assignments/ipv6-parameters Nick