Re: [core] Does one have to use registered resource type (rt) values?

Christer Holmberg <christer.holmberg@ericsson.com> Tue, 15 October 2019 13:27 UTC

Return-Path: <christer.holmberg@ericsson.com>
X-Original-To: core@ietfa.amsl.com
Delivered-To: core@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2C71A1200FB for <core@ietfa.amsl.com>; Tue, 15 Oct 2019 06:27:56 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.002
X-Spam-Level:
X-Spam-Status: No, score=-2.002 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.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 qGGcSp_RtxhE for <core@ietfa.amsl.com>; Tue, 15 Oct 2019 06:27:54 -0700 (PDT)
Received: from EUR02-VE1-obe.outbound.protection.outlook.com (mail-ve1eur02on0614.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe06::614]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B2F1D12004C for <core@ietf.org>; Tue, 15 Oct 2019 06:27:53 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JFGg8L1feqr2OiDaUedOzBexnP1g1LK6YF4wEaMSvDEqfvmVQbbiBTd+3CaI4TQvVNRajABaqnOyUppiy/c5RuS1sn+/DfdSFO5TaXDp0j2JRMANZHshtkuSrSFbJS4iYK9ZMFGFImx45n9en66VM/nnEP+Zig1xEuCitaxMisepIBJLSdOsljpP8a3eXkgQlLU3i191L5odfje7ur8QvHxKaH2YNJ6cPwUdg7lTmrCv8juUuVJiFy+QMlTqrX2/HiIPnRWlL86K8c1VGvvSKdYwt27LeMPjZqJeMeZbHG5K/onKZyLOOKIjhJT3Ym3JpqN7590Lfsw0QO1cAF/PLA==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=k95ijMw17uRtvkMOLJH4OhiUbLofNr3RjeU9i2nRPpU=; b=nFTeD0upXrgYz8VWQ9y/L5MaZ+aISz6+oBTGiWl0ZyR9ZCK+DWwUSUmQZyYNLwMOPFRKpdJJCrYA2L/vwa6otNzHbk0Miuk2gSjZMq0n6HTSghfQR6g8AbnJXnHOyTJdZ7XCwhOoE9xfeLirVdp2THvMEkpn9Kjiu5ZuEe53pFDZND96oHSsWE7fpRV0+tZp4/3OtxCwm0g8iWV8XN6vA32j81+YfjIOUtuqlFmozcTEruV1fI0sQgWdiblCqsNBTMf2oeQwbYxLXahs4yW6CWVDXA/0nw/eJ5qfblQ8XVvYndpP48O3OyIuTkDmpdZp/ffRAVV1S8XTwYVDsLTivQ==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=ericsson.com; dmarc=pass action=none header.from=ericsson.com; dkim=pass header.d=ericsson.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ericsson.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=k95ijMw17uRtvkMOLJH4OhiUbLofNr3RjeU9i2nRPpU=; b=RvdVx34pPzeTS2zTWtHErIxQVTzJ3jrOAzqskvL6/9j8MIx/FvcJhSH/5VQ6YChAeQgjTA4tlex41qPueN6+QU+RvZhw02YgxzxsbgDNPyQTlYmPzE2yQG0tkYitUo5CF/WFlmdH/bDBaZUw5pXfkRdG+CYNx8ugj3zON/DVmCU=
Received: from HE1PR07MB3161.eurprd07.prod.outlook.com (10.170.245.23) by HE1PR07MB3259.eurprd07.prod.outlook.com (10.170.246.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2347.14; Tue, 15 Oct 2019 13:27:51 +0000
Received: from HE1PR07MB3161.eurprd07.prod.outlook.com ([fe80::14d0:5c4f:26b7:b6e9]) by HE1PR07MB3161.eurprd07.prod.outlook.com ([fe80::14d0:5c4f:26b7:b6e9%3]) with mapi id 15.20.2347.023; Tue, 15 Oct 2019 13:27:51 +0000
From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Christian Amsüss <christian@amsuess.com>
CC: "core@ietf.org" <core@ietf.org>
Thread-Topic: [core] Does one have to use registered resource type (rt) values?
Thread-Index: AQHVgzAaGaDAChCt802RYqZVVRxfWKdbqgEAgAA6lwA=
Date: Tue, 15 Oct 2019 13:27:51 +0000
Message-ID: <03B47F07-9C7B-448D-9257-BADF38C4A59B@ericsson.com>
References: <A8A1AAD8-DF1D-4C89-83AC-95FA2DBBBD31@ericsson.com> <20191015125805.GA777@hephaistos.amsuess.com>
In-Reply-To: <20191015125805.GA777@hephaistos.amsuess.com>
Accept-Language: en-US
Content-Language: en-GB
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/10.1d.0.190908
authentication-results: spf=none (sender IP is ) smtp.mailfrom=christer.holmberg@ericsson.com;
x-originating-ip: [89.166.49.243]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: efa3a7a3-b6c8-4c11-8451-08d751737a6c
x-ms-traffictypediagnostic: HE1PR07MB3259:
x-microsoft-antispam-prvs: <HE1PR07MB32590B5A0EECFCE8D9480A9193930@HE1PR07MB3259.eurprd07.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:10000;
x-forefront-prvs: 01917B1794
x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(346002)(396003)(136003)(39860400002)(366004)(376002)(199004)(189003)(5660300002)(6506007)(102836004)(66066001)(2906002)(305945005)(6486002)(76176011)(6246003)(8676002)(7736002)(6436002)(86362001)(4744005)(25786009)(3846002)(6116002)(229853002)(58126008)(26005)(4326008)(6512007)(99286004)(8936002)(76116006)(186003)(44832011)(446003)(11346002)(2616005)(66446008)(81156014)(81166006)(66946007)(66476007)(66556008)(64756008)(476003)(316002)(36756003)(33656002)(14454004)(478600001)(6916009)(71190400001)(71200400001)(486006)(256004); DIR:OUT; SFP:1101; SCL:1; SRVR:HE1PR07MB3259; H:HE1PR07MB3161.eurprd07.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1;
received-spf: None (protection.outlook.com: ericsson.com does not designate permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: BinBI1bVDk5qr3HF4u/s6F122/+dce877i8KSXZdUfxFEPbqojXKf0eqx/k3EWFvI9owJoo/EaXc1k+lwyFLGC9zTCeCzQFoKXYt/QwSMulzl+qJUjtO7xqiKuFw91lV4LnApb3SYbjfDSyP4kOzFTqvOUwSs5f4ugOfSJyj3YUmEgWh71vthexuI+6Cx/hganmQ0I9GZZrGJRnuRH8OGb4gdQdE+UQe5pqgHt0wnH8LKWoa4ebaguUBodPXMDNPiQvjAIvXrc3waqwCrGYC9wkkuBedMCnAjE6VtFjCcDn5+Ntf8u9n8RU97kqvjpjM8EwjZajvDGmjxOG8hvWs4HeEvOUKz7vXdZ+GZ45YCPwhMUVPE1VA31lyfX/heSyRzaNaNFGgcbVVUqiRLaV41J553intD+Xh1XoGDotvyxc=
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="utf-8"
Content-ID: <BD9F42F26FF6634F97E0B027F2C0CF20@eurprd07.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: ericsson.com
X-MS-Exchange-CrossTenant-Network-Message-Id: efa3a7a3-b6c8-4c11-8451-08d751737a6c
X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Oct 2019 13:27:51.2116 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 92e84ceb-fbfd-47ab-be52-080c6b87953f
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: IFXeQKzqCU1VaV7xMX3UvJfBOpNSyWRl7dVbajXKo4l/wywFSNVIqvMUx/8VudC+2QPCfTYC7xP8Vo39bz/MZJS0V7NHlhDi/MgjmXGnZeM=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR07MB3259
Archived-At: <https://mailarchive.ietf.org/arch/msg/core/1vq8xoXFKTCvYo6nC6Mr3dpUw_Y>
Subject: Re: [core] Does one have to use registered resource type (rt) values?
X-BeenThere: core@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" <core.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/core>, <mailto:core-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/core/>
List-Post: <mailto:core@ietf.org>
List-Help: <mailto:core-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/core>, <mailto:core-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 15 Oct 2019 13:27:56 -0000

Hi,
    
>    Would it help to have example values registered that can then be used in
>    other examples, possibly using the previously discussed hierarchical
>    allocation and claiming the `example.*` space for that? (Or to not
>    register them, but at least prefix examples?)

People often use terms like "foo" and "bar", and those are not registered, so I am not sure whether registration is needed. Having said that, if we want to point out that a link e.g., is related with a temperature sensor, using "temperature" instead of "foo" is much better.

Prefix could be a good option, and then there could be a generic statement somewhere saying that such values are only used for example purpose, and must not be used in real deployments.

Regards,

Christer