IETF Logo Mail Archive

Re: [sipcore] RFC4028 : Very basic question in 8.1

OKUMURA Shinji <ietf.shinji@gmail.com> Fri, 10 July 2020 14:56 UTC

Return-Path: <ietf.shinji@gmail.com>
X-Original-To: sipcore@ietfa.amsl.com
Delivered-To: sipcore@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 413313A0DBB for <sipcore@ietfa.amsl.com>; Fri, 10 Jul 2020 07:56:34 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.099
X-Spam-Level:
X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.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 7NKOyy9tZmDy for <sipcore@ietfa.amsl.com>; Fri, 10 Jul 2020 07:56:32 -0700 (PDT)
Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 947243A0CF8 for <sipcore@ietf.org>; Fri, 10 Jul 2020 07:56:32 -0700 (PDT)
Received: by mail-pl1-x631.google.com with SMTP id f2so2349000plr.8 for <sipcore@ietf.org>; Fri, 10 Jul 2020 07:56:32 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=OSHmTMtMbD1ah+kqtSDsQ0UVe7JDMde2KrQp2wMUuw8=; b=GWeqaT0S3+s+r/y2a0UyOn4YpvLMBpKBVSpUyoVSwrcO+7aMTKJRTsGDSdSJu6MFKS hGG4xqxBLJKyirsextJzzYkBo9ozbPxlp7aMhEDaY4FYrOm81S4Y/7tfirl4+KjNl+TZ nNqjrGIoCYLSCHFPyjiNKEkAYrCHRqfdmLrFrzlHmk8M6v/kK+pNROx34xr7WlPPLIYt E5RdkuqE7LWpIkSpigtxppLeKMWX5ECEWdWqDRnCZhRhpb0rEZBWK2NwiUO2gePx0lv2 59M55LhIbFMMzaWvAeZ9/SkQHTobFDHgnswv551IAJDDdVLDMXy19KMgoRDWdZZZHavx itzA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=OSHmTMtMbD1ah+kqtSDsQ0UVe7JDMde2KrQp2wMUuw8=; b=QSapymxSjsVCcY6vMaiEcaL3biDySCcAwtte3Hku/hPVARbf2pthxiymid/M7TYxZA DwpBGRdKQn6+JZoZAcszSWgikiJ9n28ZDnKhe2BCytZc7dh2X9b33eOLOaQEcJ84qoUI hg4z1fPfuqXivyw2vUNU9g0Jj+dJT4AtHQeAwvxtmsjEfnmgz1eey81WcR26p6rIxD7+ ByBgUiuycVSaopsHd3CyGaD0YlE0WGqvLf7opF1M9p1e/fyfa4kTyxWGi5LVwd47daBI G/qYOQ9cBQ7KKouPrpVIapIY1tBRLRYZR7WN0lxwQimxGVZTSGRUOChpq7aQtrG9k78S xCyA==
X-Gm-Message-State: AOAM531ppgRLPj28DJ77rLaxKL1QdwsrFUJ1VprUXM62pOtAHvzEavsh xzZqRIzb4FlFB3dxZSw8xSTNuHE4
X-Google-Smtp-Source: ABdhPJxyQog/6LmCw2EJOeymuDTtjjfYU303OGgcNPfjTI6NGwfBzkIIn3B8gL0z6nReZLnNIYHJQw==
X-Received: by 2002:a17:902:8c86:: with SMTP id t6mr5166297plo.41.1594392991985; Fri, 10 Jul 2020 07:56:31 -0700 (PDT)
Received: from [192.168.128.64] (112.136.2.241.er.eaccess.ne.jp. [112.136.2.241]) by smtp.gmail.com with ESMTPSA id c139sm6203940pfb.65.2020.07.10.07.56.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Jul 2020 07:56:31 -0700 (PDT)
From: OKUMURA Shinji <ietf.shinji@gmail.com>
To: sipcore@ietf.org
References: <24d093f2-284f-a068-1cf1-8fb1b9310ff0@gmail.com> <CAD5OKxu1Ua79rEg-udgD-RxZjrfTmmyZMmDGvPQXp5xc1kzn1Q@mail.gmail.com> <8ab9ef7d-1df0-2adc-70fa-0473526442cb@gmail.com> <CAD5OKxuNsf1YDMZw6_KvONMafCE+vaHeNLEQoqCscp5wqHFHrA@mail.gmail.com> <7c1e3969-af88-80ca-96c4-7e6bb1d2a172@alum.mit.edu>
Message-ID: <f5ecbef5-b00a-ccbd-ee79-9511bc94fc79@gmail.com>
Date: Fri, 10 Jul 2020 23:56:28 +0900
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0
MIME-Version: 1.0
In-Reply-To: <7c1e3969-af88-80ca-96c4-7e6bb1d2a172@alum.mit.edu>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
X-Antivirus: Avast (VPS 200710-0, 2020/07/10), Outbound message
X-Antivirus-Status: Clean
Archived-At: <https://mailarchive.ietf.org/arch/msg/sipcore/_6pI4frKiRr2GufuMsHR5QgT-qc>
Subject: Re: [sipcore] RFC4028 : Very basic question in 8.1
X-BeenThere: sipcore@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: SIP Core Working Group <sipcore.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/sipcore>, <mailto:sipcore-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/sipcore/>
List-Post: <mailto:sipcore@ietf.org>
List-Help: <mailto:sipcore-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/sipcore>, <mailto:sipcore-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 10 Jul 2020 14:56:34 -0000

Paul,

On 2020/07/10 0:48, Paul Kyzivat wrote:
> I have been fielding questions about this rfc for almost two decades. Based on that there is widespread misunderstanding of it.

I have also received an answer from you.
If we don't take this opportunity to correct the ambiguity in the text, the same question will continue for another two decades.

> I think it would be very helpful to at least add some overview discussion of what this mechanism is good for and what it is not good for. Something along the lines of what I put in my prior reply.

I agree.

Regards,
Shinji

v2.23.0 | Report a Bug | By Email