From owner-freebsd-net@FreeBSD.ORG Fri Oct 1 04:51:50 2010 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8335E106566C; Fri, 1 Oct 2010 04:51:50 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 2D4CA8FC0C; Fri, 1 Oct 2010 04:51:49 +0000 (UTC) Received: by iwn34 with SMTP id 34so4120598iwn.13 for ; Thu, 30 Sep 2010 21:51:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type; bh=37ltffGWcfLrDr2SoQoF/VO7u5wqetlmKMmDJF3wEEs=; b=QmhNRPeHqNJ6Wj93JyO+fbE3uyIQ5OSrfW2IMAY2PHsjlY0upXqK+ewISQMphAmyHv q/sHhWlQMkgMUlTM1mZYI2spwFUX1yLOCDPDu92c390uqWsmFOQq27wt8M76Zf/MYTHO z/WZL4Fc7fJ+8i7fnVOMb5ZykjESTtcTz6wO0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=FDmkr21Rphx6PtlpZFjLvZnDGpATxw2mZ247haKIXX/6yqYJsuoxACjcpGZQRxW5u+ uN8+08shS/kkLVMoArrUEFVAb426ToJcZMM9P8nuBJ1VRtwRWOQMY6sxDi/pSirOC0t/ SCzDY6HaC2sQRnno2Ykp3ch2zHnkwUkLPdV4o= MIME-Version: 1.0 Received: by 10.231.190.203 with SMTP id dj11mr4890951ibb.93.1285908709446; Thu, 30 Sep 2010 21:51:49 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.231.171.203 with HTTP; Thu, 30 Sep 2010 21:51:49 -0700 (PDT) In-Reply-To: <4CA51544.9080103@FreeBSD.org> References: <20100923.053236.231630719.hrs@allbsd.org> <4CA26BB7.2090907@FreeBSD.org> <89382820-E423-432E-8346-ADABB9FEED7F@FreeBSD.org> <4CA4E221.4060107@FreeBSD.org> <175A9E47-8457-47A6-9CA1-BDBDC407961C@FreeBSD.org> <4CA51544.9080103@FreeBSD.org> Date: Fri, 1 Oct 2010 12:51:49 +0800 X-Google-Sender-Auth: wwox3tS25FhLxP4IWHgpq6LFJ1A Message-ID: From: Adrian Chadd To: Doug Barton Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-net@freebsd.org, Rui Paulo Subject: Re: Call for testers: RFC 5569 (6rd) support in stf(4) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Oct 2010 04:51:50 -0000 On 1 October 2010 06:55, Doug Barton wrote: > In any case I didn't say that 6rd was not useful at all. What I tried to > make the case for is that its utility is limited, both in the absolute sense > and in the temporal sense; and that because of these limitations the > benefits that adding the code bring are outweighed by the costs of > maintaining it past what will likely be its useful lifetime. People are going to be using IPv4 for a number of years. More than IPv6 proponents want or believe. I don't see the harm of doing both this work and improving our IPv6 stack support in general. It's all about choice, right? Adrian