Re: [Anima] ANIMA when there is a system-wide issue

Brian E Carpenter <brian.e.carpenter@gmail.com> Fri, 12 February 2021 04:04 UTC

Return-Path: <brian.e.carpenter@gmail.com>
X-Original-To: anima@ietfa.amsl.com
Delivered-To: anima@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 629A93A1188 for <anima@ietfa.amsl.com>; Thu, 11 Feb 2021 20:04:49 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.1
X-Spam-Level:
X-Spam-Status: No, score=-2.1 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, NICE_REPLY_A=-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 o9PeuArQovFl for <anima@ietfa.amsl.com>; Thu, 11 Feb 2021 20:04:48 -0800 (PST)
Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) (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 1820A3A1187 for <anima@ietf.org>; Thu, 11 Feb 2021 20:04:48 -0800 (PST)
Received: by mail-pf1-x42a.google.com with SMTP id m6so5048586pfk.1 for <anima@ietf.org>; Thu, 11 Feb 2021 20:04:48 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=/iRHqIfNIbUTNgDW2xJmnwlCXwpr7T93XPRkrR2eQ6w=; b=U2coTpuY/L9U4S5okPSIWz6T5FpzQ7F/3lV9OzmaiRVoHzUxUdPvRMVP8L/nMcQg1h QS/n0Qw4okWsC71uIoMRdCotOpbCoKiEvJKz/kTx/e5P88fJZpOPwfIQua6nt7DIR+B6 +ZaM7YJTXfwp2Ll+K/e4u3XZH5S5LPkzBc2kTv083WOh6lqgpeylFhv+ZMT+JfwbTG4z K85UwmhdJSQI0u/FZBdV5RbIDF9BCNylH+vNbLy9TUzZdIWLsrk1ik1aXYagelLOVogT zvZaNZGSF/ZSdN4KYGbBYVaUMeAG8iw3a/5kr13x6QuO8ARiH/R1iKVRmIZDG17V72Hk o9QQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=/iRHqIfNIbUTNgDW2xJmnwlCXwpr7T93XPRkrR2eQ6w=; b=BdDa1VYynB6jsgPlWTQLGXBqnJzddLl/ZoilRtJb/3tNd53OvSL7jW8FFQg68V0gUV mKbToV/TXHQ3woHHseXl+aBi2z4cD8cxcJBhN02GYxStkzbTaTgVIxn1RwRrVbr8U6pk fcTtc7Bm5ZCzgBxBoJRTiUDrSWWzlieBwtTBJl6XJQmxmR7jpt+BUFkcJQoAcwRoWD0L MES7YVrjR92slvzxTkpc7Y+tjnz+bSaN/M4b5yvuLdj9LdcBVl6RMQDfNwU2GdVK1F0l QztGJIMz24dC6ExLhGToBB3mB1jACYSrzibLHJzB8Y/GABIx/gRyfmIeni/v2q29DUd3 ATRQ==
X-Gm-Message-State: AOAM531de+lde5V2V5WQ2JfKd+IQNSyLBDftGBrGfhBvMYMpcaN607ep OobheQRkWoyaDZJWAOyYKEFKtuOX/DBf+w==
X-Google-Smtp-Source: ABdhPJyiQVJAY7URIdn6v8RZSPK4nnru0e7dl0ofYr1tdKgtqmsP4YJzpD5LW1HDXwCd7Uk5fFHFwg==
X-Received: by 2002:a62:a507:0:b029:1ce:ddad:79de with SMTP id v7-20020a62a5070000b02901ceddad79demr1254042pfm.19.1613102687190; Thu, 11 Feb 2021 20:04:47 -0800 (PST)
Received: from [192.168.178.20] ([151.210.131.28]) by smtp.gmail.com with ESMTPSA id w9sm7115306pfc.51.2021.02.11.20.04.44 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Feb 2021 20:04:46 -0800 (PST)
To: Michael Richardson <mcr+ietf@sandelman.ca>, Toerless Eckert <tte@cs.fau.de>, Anima WG <anima@ietf.org>
References: <136aa329-41a5-8b65-ef9e-fadf089696eb@gmail.com> <704b66e9-d41c-f7e9-7e4b-f2d934ec9158@gmail.com> <PR3PR07MB68265F26A2CFB818D9CFDFBCF3C30@PR3PR07MB6826.eurprd07.prod.outlook.com> <20210128160356.GB54347@faui48f.informatik.uni-erlangen.de> <17274.1611866107@localhost> <20210211201910.GA48871@faui48f.informatik.uni-erlangen.de> <18842.1613083225@localhost>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Message-ID: <69bf6786-8969-ea45-3188-a18976c42b70@gmail.com>
Date: Fri, 12 Feb 2021 17:04:40 +1300
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1
MIME-Version: 1.0
In-Reply-To: <18842.1613083225@localhost>
Content-Type: text/plain; charset="utf-8"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/anima/mWoBjw5r7N2U0wmjyBp3Wuq0DKE>
Subject: Re: [Anima] ANIMA when there is a system-wide issue
X-BeenThere: anima@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Autonomic Networking Integrated Model and Approach <anima.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/anima>, <mailto:anima-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/anima/>
List-Post: <mailto:anima@ietf.org>
List-Help: <mailto:anima-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/anima>, <mailto:anima-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 12 Feb 2021 04:04:49 -0000

>     > Forget using multicast MAC destinations. Maybe i can find the time
>     > trying to remember all the horrible things that could go wrong with it.
> 
> okay.

As long as you remember that we will always be emulating multicast for discovery and flooding. There really isn't any mathematically possible way round that, even if the only solution is replicast.

Regards
   Brian