From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 626063B29D for ; Wed, 31 Mar 2021 03:16:03 -0400 (EDT) Received: by mail-wr1-x433.google.com with SMTP id v4so18511710wrp.13 for ; Wed, 31 Mar 2021 00:16:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heistp.net; s=google; h=message-id:subject:from:to:date:user-agent:mime-version :content-transfer-encoding; bh=Oc2chZE+WmpkLHUo5SVsfbKkkzb8hn9BXy67723NhqQ=; b=Xo+8ebAc93xNLtNZR4d5Gj15FjnvJpvfPhVuqzumqdOjSITdyV4nhS8oGEzV29dneG TxsCOwJug1YAo473gMGkA82U/Ttql8WVe4ZttNetgvx5fJCyQ+NydZ118CDkgim7Hknz 9tnljNkK7PzM8sAqsSRhzHKsZr8AofETS9F9zgY8wpurPcRogR665KLV9DNI4fugwevr jdIfYl4fuLDvBLHBlTEn+EQIy/6zNk4kWxZd+IzxXv+R46Fs3aag5SvC9PYJhZeu8pP3 ylulhAwVd7qaubze96EyoOKWqyMLSTW9q4LN+FrezfNxjIb+woX/A72+2SRgYTeLrQsr 5fKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:date:user-agent :mime-version:content-transfer-encoding; bh=Oc2chZE+WmpkLHUo5SVsfbKkkzb8hn9BXy67723NhqQ=; b=Yki+CpvhwxC8WN0Nmw3NSkAHFc/dGkbzlU96KHkENgN8/JQWTX17zPA3hU4f7ovR35 YwXnRG+AAVW7hBwZ1dpgGux6RDLZsK073kyJ+vUuvhwdiH1f00lwOJekYnZ8Z1a7pCoT T1YZfCBpWWxUxsS0OY+ju+gWJjKd2i4OekHg91rlSvJD4/2Ug4XI3CgJwXNlXsxwJUGj O4IspLJ6dt8vGv266PpROvj+uYVp//CuIlYRatJM6riDpwT8S3KKj6hvvQ8v3hR3TSNX oyWQHJxrwdze+z248YekYgA5Tvy4LABJO6RezjqaHUec37qsEiTBPb8p6fqYyjDf2LyR 5Fwg== X-Gm-Message-State: AOAM531cJqbar14vk+07Uy7oVcNG6bxHafoQBVevpIM2RWbcOIzIU+vD ukcy0ECbQ4vqbv2UQ3vLJyodLJaV0RveCg== X-Google-Smtp-Source: ABdhPJx5ob8e31Hl6/HKpSbLtQDogxIQ2J6aiOvaH2BBbuVz/CFIIGp1HpCXg1lHGQenc5pblfX/hQ== X-Received: by 2002:a5d:6b86:: with SMTP id n6mr1935901wrx.52.1617174962346; Wed, 31 Mar 2021 00:16:02 -0700 (PDT) Received: from [10.72.0.88] (h-1169.lbcfree.net. [185.193.85.130]) by smtp.gmail.com with ESMTPSA id x11sm3319422wme.9.2021.03.31.00.16.01 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Mar 2021 00:16:02 -0700 (PDT) Message-ID: <880920d70c014664d8bf49d023ebfa1895ead887.camel@heistp.net> From: Pete Heist To: ECN-Sane Date: Wed, 31 Mar 2021 09:16:01 +0200 Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [Ecn-sane] IPv5 X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Mar 2021 07:16:03 -0000 Since April 1 is upon us, I thought I'd let the list know that the ECN debate has finally been resolved, pending a few details to work out... IPv5 ==== Codename: IP "Regret" # Header Format ----------------------------------------------------------------- | Ver | Reserved | Protocol | Hop Limit | ----------------------------------------------------------------- | Payload Length | Flow Label | ----------------------------------------------------------------- | | | Source Address | | | ----------------------------------------------------------------- | | | Destination Address | | | ----------------------------------------------------------------- (Ver)sion (4 bits): Protocol version, set to 5 Reserved (12 bits): Reserved for fun, MBZ on open Internet Protocol (1 byte): Protocol number as per IANA Hop Limit (1 byte): As per IPv6 Payload Length (16 bits): Length of payload- fragmentation not supported Flow Label (16 bits): Flow label- next to addresses for fast hashing Source Address (8 bytes): 64-bit source address Destination Address (8 bytes): 64-bit destination address # Rationale * provides more than adequate address space * reduces IPv6 complexity * reduces header size to 24 bytes, down from 40 for IPv6 * leaves 12 bits of header space for experiments and future use * makes the Internet fun again