Re: [mpls] An approach to MNA PSD

Stewart Bryant <stewart.bryant@gmail.com> Thu, 23 February 2023 17:54 UTC

Return-Path: <stewart.bryant@gmail.com>
X-Original-To: mpls@ietfa.amsl.com
Delivered-To: mpls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B2CDFC15C533 for <mpls@ietfa.amsl.com>; Thu, 23 Feb 2023 09:54:51 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.094
X-Spam-Level:
X-Spam-Status: No, score=-2.094 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, RCVD_IN_DNSWL_BLOCKED=0.001, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=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 ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0bm2zNtm4oMh for <mpls@ietfa.amsl.com>; Thu, 23 Feb 2023 09:54:50 -0800 (PST)
Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5DD9FC15C52D for <mpls@ietf.org>; Thu, 23 Feb 2023 09:54:25 -0800 (PST)
Received: by mail-wm1-x333.google.com with SMTP id m14-20020a7bce0e000000b003e00c739ce4so50642wmc.5 for <mpls@ietf.org>; Thu, 23 Feb 2023 09:54:25 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=YllQKpMcw9teVn7SxkU9sk0QRlFgxC1RRoEgfMmH77U=; b=Ib8x9nwqkk9Cq+yE/tdoHWJGV54E+uWyZK2CDoSEBMTnJZtGiSeszZsAf0M+ueMvql EHpAPJLPYd7wWvhMXm3UlhQ2RLblHCYv0RvTZgRhOrE4lXEuLVGopJ9rM45CedHn/e5H /fOzxVQ2qsrD3C/ZeuFG9TWZhhK0pF+i+YuFybK7dTb0EY3z/39IvMlaibBf7DpnQeog Jum+hjcFLKdkr9cNjWxUwQlZ3FMUwNN7s/v0UrUqdVwm5YLjOkNeKD7x3XIyGGLwdo1Y b63Z08VG+4eA+b72mOO2VjzuX/5mAXUrFnO4qg2Kz7QVZwpIt7hN5Cs6ZWlddEAKt3Pl xweA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YllQKpMcw9teVn7SxkU9sk0QRlFgxC1RRoEgfMmH77U=; b=7lfe8njRJplu1W0mRNg8rfALu35rqG33zX+fGVTMHKG3nFU2ySqJOUJ4WEAF3yz/kC zVINYId1or4LQr2psvFgaunHJe0SJP2sgxENBt4qufWom7iZ6wZsAsawgW88xTNopISz bZgaQwP5yDkEEoMwvzmhL4C9zLtVwyDVgphMEAM0KK2Kn2wXu60xe44XITFW8xZJkrTZ gLiTQIbqDlrevcYkyGjMAnn8mzw7Ffj73FjHzMbCTXXA+F4nLRt94WfE2Gk7785ci4yF Gi7jj2cPB1HFpAeaHRXLm/KfDx+fHOHaF+F+69O405E8ZCi/8AK8bcycw2+FFcdZlg8S ABLA==
X-Gm-Message-State: AO0yUKWHftjvPQkW7U7cmAUgXIS0JzoauHZiAB3mrkcLocxI47HqQXVs 0L/tMx5t6y1lGgSXWMBzfeHDk1FC9ec=
X-Google-Smtp-Source: AK7set9BnF/i8UuaoXja2P3LZUnLfWFdDHjgdpCSzGRBU9BfBd5Kt+lYRwhat/CJN8quFbcJrYCRcA==
X-Received: by 2002:a05:600c:1c8e:b0:3ea:e677:5017 with SMTP id k14-20020a05600c1c8e00b003eae6775017mr606650wms.8.1677174863166; Thu, 23 Feb 2023 09:54:23 -0800 (PST)
Received: from smtpclient.apple ([85.255.236.67]) by smtp.gmail.com with ESMTPSA id p15-20020a05600c1d8f00b003e20970175dsm16357wms.32.2023.02.23.09.54.21 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 23 Feb 2023 09:54:22 -0800 (PST)
Content-Type: text/plain; charset="us-ascii"
Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.400.51.1.1\))
From: Stewart Bryant <stewart.bryant@gmail.com>
In-Reply-To: <BY3PR13MB47878C7F5F36CE24729E04D49AAB9@BY3PR13MB4787.namprd13.prod.outlook.com>
Date: Thu, 23 Feb 2023 17:54:19 +0000
Content-Transfer-Encoding: 7bit
Message-Id: <A88D30CE-63DC-4606-8DEC-ADDB0DBC6646@gmail.com>
References: <19F83F65-1D5B-4E86-BE03-417B0B59CA08@gmail.com> <BY3PR13MB47878C7F5F36CE24729E04D49AAB9@BY3PR13MB4787.namprd13.prod.outlook.com>
To: mpls <mpls@ietf.org>
X-Mailer: Apple Mail (2.3731.400.51.1.1)
Archived-At: <https://mailarchive.ietf.org/arch/msg/mpls/P79ovbOJzsrBtL461WCjkPkde84>
Subject: Re: [mpls] An approach to MNA PSD
X-BeenThere: mpls@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Multi-Protocol Label Switching WG <mpls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mpls>, <mailto:mpls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/mpls/>
List-Post: <mailto:mpls@ietf.org>
List-Help: <mailto:mpls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mpls>, <mailto:mpls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 23 Feb 2023 17:54:51 -0000

Two very old ideas that I had long since forgotten:

 https://datatracker.ietf.org/doc/html/draft-guichard-mpls-metadata
 https://datatracker.ietf.org/doc/html/draft-guichard-sfc-metadata-header

If nothing else they indicate non-assert IPR on a chunk of the concepts,

Stewart