From nobody Mon Mar 2 06:57:07 2020 Return-Path: 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 329ED3A0837 for ; Mon, 2 Mar 2020 06:57:06 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no 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 mjh71ljPKVcN for ; Mon, 2 Mar 2020 06:57:04 -0800 (PST) Received: from prometheus.amsuess.com (prometheus.amsuess.com [5.9.147.112]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B0ECD3A0830 for ; Mon, 2 Mar 2020 06:57:04 -0800 (PST) Received: from poseidon-mailhub.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bd]) by prometheus.amsuess.com (Postfix) with ESMTPS id F35AF4011B; Mon, 2 Mar 2020 15:57:01 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bf]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id AE05CDB; Mon, 2 Mar 2020 15:57:00 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:3c16:5e58:e95c:9d90]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 4291C37; Mon, 2 Mar 2020 15:57:00 +0100 (CET) Received: (nullmailer pid 586226 invoked by uid 1000); Mon, 02 Mar 2020 14:55:39 -0000 Date: Mon, 2 Mar 2020 15:55:39 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: "core@ietf.org" Message-ID: <20200302145539.GA568382@hephaistos.amsuess.com> References: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> <20191119125733.GA8007@hephaistos.amsuess.com> <4C059F03-BB42-498D-9B75-A08BEA274416@tzi.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="gBBFr7Ir9EOA20Yy" Content-Disposition: inline In-Reply-To: <4C059F03-BB42-498D-9B75-A08BEA274416@tzi.org> Archived-At: Subject: Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 14:57:06 -0000 --gBBFr7Ir9EOA20Yy Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello group, hello Carsten, On Mon, Dec 09, 2019 at 09:34:29PM +0100, Carsten Bormann wrote: > In the meeting, I gave the three examples _core-rd._udp, > _core-rd-tls._udp, and _core-rd._tcp =E2=80=94 noting that while core-rd = is a > proper RD service type, core-rd-tls isn=E2=80=99t. To cover the six > transports we have for CoAP today (coap, coaps, coap+tcp, coaps+tcp, > coap+ws, coaps+ws), we would need four service types on top of _tcp > and could use two of them over _udp? Do we have a meaningful way to deal with (D)TLS in DNS-SD at all? I'm only superficially familiar with the verification steps done on the host name, but as I understand, TLS typically authenticates the host name. If the client is configured to register at any RD in the current domain, it'd receive a _core-rd-dtls._udp.example.com IN SRV 1 1 5683 rd1.example.com When it connects, the server would present a certificate for rd1.example.com without any indication that it's a legitimate _core-rd-dtls._udp.example.com. Is there a document that bridges that gap in a usable manner that we can point to for security considerations? Otherwise I'd rather leave the TLSs out of here. (Alternatively, we could describe them as opportunistic encryption.) Kind regards Christian --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --gBBFr7Ir9EOA20Yy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5dHmkACgkQOY0REtOk veHcVBAAhOmirv45AiF1p/E38rZJ8zobIgJnRXXSkYmKIPl8WLw+D/XKiXWkHHUX 5gqBsxl2OAGRFlkFI5ILh6oz+J+SksfKb8OfKPJN4ixC41JYE9SHObRsN88iQ/rB JlMjf5DtyZEEuWzUe3iK4JUl4TnLPdDGeqLMIjyouRp3dSvkBEHTa3yi+O7vo85k B2+ckSx4EyYmHHf62wNYYGc1r9DWk4xp9QkooItphun8z78ceWlnRl8eSOJsOMVy aGtDntc8T7vtAI9HkOEK5CQLDcG2ONYrE8Px0lTwDOdZGybPkzDuNqPGlRSMv/sM gca6y0ybLlWiqUdu3Oz01pxIghJEuZlNlJygk8d9PyD8KjocN/9K0OslG+BLlapk XJs5dJPr39EZ1iScvUx+/vIflLwgFl7cZj/Oi2iarlITxMLcxL7fD2s8j8NHNwHr rcb1jQQFZ73cGTSaB2tyJbPscXtsgLPp+VukXPl/sNiZeNl+aDSYE44xFEIXx9Pa ZHsH4DtVVzHNut0WxOmtRjiFkUYEm5Vobpu7e9flWdQvFKcHjbSCcyxry4SbdIRt Bwi47nJ8Co78yeHHW4/WaJn2cvu/MxsCQCVCWRT+fDc09DgFF2R3M0RJ8YSQ3D0Z sgNjggkaPM5iUbI5XVA41s7F3PnWYEvDdoYSCOYrep61M4a40tw= =1Fhn -----END PGP SIGNATURE----- --gBBFr7Ir9EOA20Yy-- From nobody Mon Mar 2 07:36:30 2020 Return-Path: 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 6D7553A092B for ; Mon, 2 Mar 2020 07:36:28 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=fugue-com.20150623.gappssmtp.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 nXlj9Uy242Xa for ; Mon, 2 Mar 2020 07:36:27 -0800 (PST) Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) (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 02D613A0927 for ; Mon, 2 Mar 2020 07:36:26 -0800 (PST) Received: by mail-qk1-x72e.google.com with SMTP id m2so44313qka.7 for ; Mon, 02 Mar 2020 07:36:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fugue-com.20150623.gappssmtp.com; s=20150623; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=Td9PyVIKqjK27wHfGPcfLIr4sakV6iVYW0MFcOQ7+40=; b=COgy+3YdrvOwP9kpYaj6HzZDLoPdSrP1GbV034C8JfzuS2DbzDpEN2vp6TWHTMa9jz 2/n4reqzRCsrx4H8xtlJjnTXwiBeVPTXTTuB6ck0DhEJPRVHZL28wVDUISlkik4UkL7X zgRndPAdXWLMCFgqoOKsm2N/BRf4FMj2enwt73XplIeauXMPafCkytsLzfBGV8+OgLXO r/Z9nXjWrsXZI8IqH8EAvfaBK/NgqIAdho7GugDNRK9cONAgzS26YRNKsdeD4s6EnjhL wXGECHy/t0ITyNndiENSy8KVD8AWKEc/Rmi/LDCFRZzTZDWTW8JkVwv99g/gQsIk/w6l fCxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=Td9PyVIKqjK27wHfGPcfLIr4sakV6iVYW0MFcOQ7+40=; b=pA/GPPSd+1sU7L+7RA702wp9clwV1VdOlvtKAG6nh8wUEKTlXYPaAoglMq/rPppT+L Av8u/OnL7F82Gb9VuF0Xoixz7rH98rCXlSHl5prMPPN2YcgADIGcsxStz/TVrm4QK+Mn KgP6iB93rnbflAL5ffCDllBLn23z1TS8bLAAOkgot0mAvmA5A33wg61Lj3xGunOrGxcl o0hdAPEWWbgDW8MrFprhkA1CoUL08KVPUMiDRZP7GpfZCqJ7gBPUMAV2BJFy9LRv3omZ xHD6dvMuG3ddasLQgLKmag32he7yuTzJkHQk3c/HXLMFxV3DjCnpem3lWkDX+wxnFTC0 8TMQ== X-Gm-Message-State: APjAAAUUzmZqMUyBVYlwFFK6rtqaU9vs7WiJCLkVsrVixUzKsa4uhR0F u8Q20HvRcZrJAL/kKE5JW7XRKFH3xTZjtA== X-Google-Smtp-Source: APXvYqw+091QvYkKyUGbCLYWKtp0mpiubqd6UgpRv61xrB1tuBlv4sB3eO+grTiLqGJrLEStd6sXxQ== X-Received: by 2002:a37:8046:: with SMTP id b67mr16352246qkd.218.1583163385979; Mon, 02 Mar 2020 07:36:25 -0800 (PST) Received: from ?IPv6:2601:18b:300:36ee:c461:a4d:14f9:1444? ([2601:18b:300:36ee:c461:a4d:14f9:1444]) by smtp.gmail.com with ESMTPSA id r198sm10359098qke.98.2020.03.02.07.36.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Mar 2020 07:36:25 -0800 (PST) From: Ted Lemon Message-Id: <39ED5EBF-E633-4B97-9216-05C2C839ABD3@fugue.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_923B5983-760D-4DFE-AC4A-777ACE205DBC" Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3622.0.6\)) Date: Mon, 2 Mar 2020 10:36:24 -0500 In-Reply-To: <20200302145539.GA568382@hephaistos.amsuess.com> Cc: "core@ietf.org" To: =?utf-8?Q?Christian_Ams=C3=BCss?= References: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> <20191119125733.GA8007@hephaistos.amsuess.com> <4C059F03-BB42-498D-9B75-A08BEA274416@tzi.org> <20200302145539.GA568382@hephaistos.amsuess.com> X-Mailer: Apple Mail (2.3622.0.6) Archived-At: Subject: Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 15:36:28 -0000 --Apple-Mail=_923B5983-760D-4DFE-AC4A-777ACE205DBC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On Mar 2, 2020, at 9:55 AM, Christian Ams=C3=BCss = wrote: > Do we have a meaningful way to deal with (D)TLS in DNS-SD at all? I'm > only superficially familiar with the verification steps done on the = host > name, but as I understand, TLS typically authenticates the host name. The first question you should ask is, what are you trying to protect by = using DTLS. Until you answer that question, you=E2=80=99re not going to = make any progress. --Apple-Mail=_923B5983-760D-4DFE-AC4A-777ACE205DBC Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 On = Mar 2, 2020, at 9:55 AM, Christian Ams=C3=BCss <christian@amsuess.com> wrote:
Do we have a meaningful way to deal with (D)TLS in DNS-SD at = all? I'm
only = superficially familiar with the verification steps done on the = host
name, but as = I understand, TLS typically authenticates the host = name.

The = first question you should ask is, what are you trying to protect by = using DTLS.  Until you answer that question, you=E2=80=99re not = going to make any progress.

= --Apple-Mail=_923B5983-760D-4DFE-AC4A-777ACE205DBC-- From nobody Mon Mar 2 07:55:36 2020 Return-Path: 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 92AB03A097A for ; Mon, 2 Mar 2020 07:55:34 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 f0TB6uplWptK for ; Mon, 2 Mar 2020 07:55:23 -0800 (PST) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A2B313A0982 for ; Mon, 2 Mar 2020 07:54:33 -0800 (PST) Received: from [192.168.217.147] (p5089AC90.dip0.t-ipconnect.de [80.137.172.144]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48WPpW4BTQzyxT; Mon, 2 Mar 2020 16:54:27 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <20200302145539.GA568382@hephaistos.amsuess.com> Date: Mon, 2 Mar 2020 16:54:27 +0100 Cc: "core@ietf.org" X-Mao-Original-Outgoing-Id: 604857266.982865-1b3f8573d70dfc76d6a92a04f5c4da92 Content-Transfer-Encoding: quoted-printable Message-Id: References: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> <20191119125733.GA8007@hephaistos.amsuess.com> <4C059F03-BB42-498D-9B75-A08BEA274416@tzi.org> <20200302145539.GA568382@hephaistos.amsuess.com> To: =?utf-8?Q?Christian_Ams=C3=BCss?= X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 15:55:35 -0000 On 2020-03-02, at 15:55, Christian Ams=C3=BCss = wrote: >=20 > Hello group, > hello Carsten, >=20 > On Mon, Dec 09, 2019 at 09:34:29PM +0100, Carsten Bormann wrote: >> In the meeting, I gave the three examples _core-rd._udp, >> _core-rd-tls._udp, and _core-rd._tcp =E2=80=94 noting that while = core-rd is a >> proper RD service type, core-rd-tls isn=E2=80=99t. To cover the six >> transports we have for CoAP today (coap, coaps, coap+tcp, coaps+tcp, >> coap+ws, coaps+ws), we would need four service types on top of _tcp >> and could use two of them over _udp? >=20 > Do we have a meaningful way to deal with (D)TLS in DNS-SD at all? I'm > only superficially familiar with the verification steps done on the = host > name, but as I understand, TLS typically authenticates the host name. One assumption that is used in many TLS-based applications is that TLS = is used to authenticate the server as the holder of the domain name that = the client specified upon connection setup (e.g., after taking that = domain name out of an https:// URI as the only information that is = available for authorizing that server). (Since DNS-SD is about domain names, this assumption might seem more = appropriate for DNS-SD based usage than it is in other ways of using = CoAP, but then DNS-SD may just be in use for an initial RD discovery = phase.) > If the client is configured to register at any RD in the current = domain, > it'd receive a >=20 > _core-rd-dtls._udp.example.com IN SRV 1 1 5683 rd1.example.com >=20 > When it connects, the server would present a certificate for > rd1.example.com Would it? It might be using PSK. > without any indication that it's a legitimate > _core-rd-dtls._udp.example.com. There must be another source of that authorization (as a resource = directory that this client is authorized to use =E2=80=94 not with = respect to the resource directory allowing access, but with respect to = the overseeing principal of the client allowing that to rely on using = it). > Is there a document that bridges that gap in a usable manner that we = can > point to for security considerations? Otherwise I'd rather leave the > TLSs out of here. (Alternatively, we could describe them as = opportunistic > encryption.) This situation is as open to different authorization strategies as any = other use of CoAPS is, so I don=E2=80=99t see why we need to make this a = special case. Gr=C3=BC=C3=9Fe, Carsten From nobody Mon Mar 2 08:07:59 2020 Return-Path: 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 F15AB3A09F2 for ; Mon, 2 Mar 2020 08:07:56 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 Lnioimnz2Wqg for ; Mon, 2 Mar 2020 08:07:55 -0800 (PST) Received: from prometheus.amsuess.com (prometheus.amsuess.com [5.9.147.112]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AC8EC3A09DA for ; Mon, 2 Mar 2020 08:07:52 -0800 (PST) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id CE71E4011B; Mon, 2 Mar 2020 17:07:50 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 91E9EDB; Mon, 2 Mar 2020 17:07:48 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:3c16:5e58:e95c:9d90]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 463A6148; Mon, 2 Mar 2020 17:07:48 +0100 (CET) Received: (nullmailer pid 587853 invoked by uid 1000); Mon, 02 Mar 2020 16:06:27 -0000 Date: Mon, 2 Mar 2020 17:06:27 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: Carsten Bormann Cc: Core Message-ID: <20200302160627.GB568382@hephaistos.amsuess.com> References: <2554B0B8-1C32-453E-AB28-90AB61242450@tzi.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="WhfpMioaduB5tiZL" Content-Disposition: inline In-Reply-To: <2554B0B8-1C32-453E-AB28-90AB61242450@tzi.org> Archived-At: Subject: Re: [core] Consensus on using Echo to mitigate NoSec amplification? X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 16:07:57 -0000 --WhfpMioaduB5tiZL Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 25, 2020 at 02:19:33PM +0100, Carsten Bormann wrote: > Would the CoRE WG be fine with expanding the =E2=80=9Cupdates 7252=E2=80= =9D text in > draft-ietf-core-echo-request-tag to also include recommending this > mitigation? If you have a position on this, please reply to the list > (or to the chairs) by March 2nd. The current version stays as vague on what a larger response is as RFC7252, I'd like to sharpen that when incorporating the above. My current corner points are "a TCP SYN+ACK is 3 byte larger than a SYN", and that NTP had a factor-200 amplification built in earlier versions (though that's probably UDP-only, and headers'd make that more like factor-50). Is there any guidance that could be referenced, eg. an RFC that puts a number to what consitutes an amplification attack vector? Even [RFC4732] only talks of "significantly greater" packages. Thanks Christian [RFC4732]: https://tools.ietf.org/html/rfc4732#section-3.1 --=20 Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. -- Terry Pratchett (attributed) --WhfpMioaduB5tiZL Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5dLwEACgkQOY0REtOk veF6uQ//d0GZz+Xuu72EY/l82yBEEXaBgA3PnJcXlyUktTzZWtd/cLgmgr5fvN5F LQ6pnz6VLEzM0oEq/GuQwMEzV9+xEmRi1+lqvHy0X9Do9zL3Ut871/y3zCMUcvhF C+XoxyUlkSXqXJSWZHiBIeUfR7uvi+pcT1KJG351Q/lyYwvqW1epYIFXPMtUcq/J 02kX4MeVlqvfslIFrjPkKJUSaZ16dYZzwmJg6fkuJ/YSLHyXJHUNUBy4wR+bp5QC 0bUvrJyzoQ4pR+92bcuj0aekCYydee9X0noUDiYXGTBa0XJoFgzE9ZYGpXm/mcpC jHHc+RO/NQozyztHyOnp0NktcWQ8LofKmy1qRwViNTwRQNnKFdR3GE73LsjtYHb1 SAl/w80lgUx7Tgg54dqTvozasXd0hgS/6/LDdd4LsXlI2W6O5JabUzY/qZuxrWEG fXejBIZud8DYGZIcPmNB79L6MDfBabHYpqz0oMvwcVSgTFcdcAaH7+1v6v19EUWC hH7LZQjZau+OSH7osGzH5Oi6eyOmjyspT8wRKITetfb7GL396PPcPnTGhewiRqW5 8O6jU3WEN4GzHQvcrevIIsQ/mOBVB4RsigTk1+61J689EizTfC+AKHCaA5VkcDiR dWhmK+olpEQIqklqG8THh2L/ej22C9H+2bBWWlPjA2me+ToXjF0= =V4qH -----END PGP SIGNATURE----- --WhfpMioaduB5tiZL-- From nobody Mon Mar 2 08:16:16 2020 Return-Path: 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 C830D3A0A0D for ; 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Mon, 2 Mar 2020 16:15:58 +0000 From: Thomas Fossati To: =?utf-8?B?Q2hyaXN0aWFuIEFtc8O8c3M=?= , Carsten Bormann CC: Core , Thomas Fossati Thread-Topic: [core] Consensus on using Echo to mitigate NoSec amplification? 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X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 16:16:14 -0000 SGkgQ2hyaXN0aWFuLA0KDQpPbiAwMi8wMy8yMDIwLCAxNjowOCwgIkNocmlzdGlhbiBBbXPDvHNz IiA8Y2hyaXN0aWFuQGFtc3Vlc3MuY29tPiB3cm90ZToNCj4gT24gVHVlLCBGZWIgMjUsIDIwMjAg YXQgMDI6MTk6MzNQTSArMDEwMCwgQ2Fyc3RlbiBCb3JtYW5uIHdyb3RlOg0KPiA+IFdvdWxkIHRo ZSBDb1JFIFdHIGJlIGZpbmUgd2l0aCBleHBhbmRpbmcgdGhlIOKAnHVwZGF0ZXMgNzI1MuKAnSB0 ZXh0IGluDQo+ID4gZHJhZnQtaWV0Zi1jb3JlLWVjaG8tcmVxdWVzdC10YWcgdG8gYWxzbyBpbmNs dWRlIHJlY29tbWVuZGluZyB0aGlzDQo+ID4gbWl0aWdhdGlvbj8gIElmIHlvdSBoYXZlIGEgcG9z aXRpb24gb24gdGhpcywgcGxlYXNlIHJlcGx5IHRvIHRoZSBsaXN0DQo+ID4gKG9yIHRvIHRoZSBj aGFpcnMpIGJ5IE1hcmNoIDJuZC4NCj4NCj4gVGhlIGN1cnJlbnQgdmVyc2lvbiBzdGF5cyBhcyB2 YWd1ZSBvbiB3aGF0IGEgbGFyZ2VyIHJlc3BvbnNlIGlzIGFzDQo+IFJGQzcyNTIsIEknZCBsaWtl IHRvIHNoYXJwZW4gdGhhdCB3aGVuIGluY29ycG9yYXRpbmcgdGhlIGFib3ZlLiBNeQ0KPiBjdXJy ZW50IGNvcm5lciBwb2ludHMgYXJlICJhIFRDUCBTWU4rQUNLIGlzIDMgYnl0ZSBsYXJnZXIgdGhh biBhIFNZTiIsDQo+IGFuZCB0aGF0IE5UUCBoYWQgYSBmYWN0b3ItMjAwIGFtcGxpZmljYXRpb24g YnVpbHQgaW4gZWFybGllciB2ZXJzaW9ucw0KPiAodGhvdWdoIHRoYXQncyBwcm9iYWJseSBVRFAt b25seSwgYW5kIGhlYWRlcnMnZCBtYWtlIHRoYXQgbW9yZSBsaWtlDQo+IGZhY3Rvci01MCkuDQo+ DQo+IElzIHRoZXJlIGFueSBndWlkYW5jZSB0aGF0IGNvdWxkIGJlIHJlZmVyZW5jZWQsIGVnLiBh biBSRkMgdGhhdCBwdXRzIGENCj4gbnVtYmVyIHRvIHdoYXQgY29uc2l0dXRlcyBhbiBhbXBsaWZp Y2F0aW9uIGF0dGFjayB2ZWN0b3I/IEV2ZW4gW1JGQzQ3MzJdDQo+IG9ubHkgdGFsa3Mgb2YgInNp Z25pZmljYW50bHkgZ3JlYXRlciIgcGFja2FnZXMuDQoNClFVSUMgc2VlbXMgdG8gc2V0IHRoZSBs aW1pdCB0byAzeCB0aGUgcmVxdWVzdCBzaXplIFsxXS4NCg0KWzFdIGh0dHBzOi8vd3d3LmlldGYu b3JnL2lkL2RyYWZ0LWlldGYtcXVpYy10cmFuc3BvcnQtMjcuaHRtbCNzZWN0aW9uLTEwLjMNCg0K SU1QT1JUQU5UIE5PVElDRTogVGhlIGNvbnRlbnRzIG9mIHRoaXMgZW1haWwgYW5kIGFueSBhdHRh Y2htZW50cyBhcmUgY29uZmlkZW50aWFsIGFuZCBtYXkgYWxzbyBiZSBwcml2aWxlZ2VkLiBJZiB5 b3UgYXJlIG5vdCB0aGUgaW50ZW5kZWQgcmVjaXBpZW50LCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5k ZXIgaW1tZWRpYXRlbHkgYW5kIGRvIG5vdCBkaXNjbG9zZSB0aGUgY29udGVudHMgdG8gYW55IG90 aGVyIHBlcnNvbiwgdXNlIGl0IGZvciBhbnkgcHVycG9zZSwgb3Igc3RvcmUgb3IgY29weSB0aGUg aW5mb3JtYXRpb24gaW4gYW55IG1lZGl1bS4gVGhhbmsgeW91Lg0K From nobody Mon Mar 2 08:21:46 2020 Return-Path: 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 D4FD43A0A24 for ; 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([2601:18b:300:36ee:c461:a4d:14f9:1444]) by smtp.gmail.com with ESMTPSA id e130sm10384674qkb.72.2020.03.02.08.21.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Mar 2020 08:21:41 -0800 (PST) From: Ted Lemon Message-Id: Content-Type: multipart/alternative; boundary="Apple-Mail=_149A8AE2-7ACB-4370-884C-FBB7B4C1C33D" Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3622.0.6\)) Date: Mon, 2 Mar 2020 11:21:39 -0500 In-Reply-To: Cc: =?utf-8?Q?Christian_Ams=C3=BCss?= , "core@ietf.org" To: Carsten Bormann References: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> <20191119125733.GA8007@hephaistos.amsuess.com> <4C059F03-BB42-498D-9B75-A08BEA274416@tzi.org> <20200302145539.GA568382@hephaistos.amsuess.com> X-Mailer: Apple Mail (2.3622.0.6) Archived-At: Subject: Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 16:21:45 -0000 --Apple-Mail=_149A8AE2-7ACB-4370-884C-FBB7B4C1C33D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On Mar 2, 2020, at 10:54 AM, Carsten Bormann wrote: > One assumption that is used in many TLS-based applications is that TLS = is used to authenticate the server as the holder of the domain name that = the client specified upon connection setup (e.g., after taking that = domain name out of an https:// URI as the only information that is = available for authorizing that server). That=E2=80=99s what DNSSEC is for, so you definitely shouldn=E2=80=99t = use it exactly this way. The correct way to do something like this, if = you want to, is to trust the =E2=80=9CAD=E2=80=9D bit returned by the = resolver. In order to do this, you would want to use DTLS to validate = your trust relationship with the resolver. You could also use TSIG or = SIG(0) for that, however, at a substantially lower cost. Although it = might be worth it to use DTLS just because it=E2=80=99s one less hunk of = code to include if you=E2=80=99re already using DTLS for something else. > (Since DNS-SD is about domain names, this assumption might seem more = appropriate for DNS-SD based usage than it is in other ways of using = CoAP, but then DNS-SD may just be in use for an initial RD discovery = phase.) Yup. >> If the client is configured to register at any RD in the current = domain, >> it'd receive a >>=20 >> _core-rd-dtls._udp.example.com IN SRV 1 1 = 5683 rd1.example.com >>=20 >> When it connects, the server would present a certificate for >> rd1.example.com >=20 > Would it? It might be using PSK. You have a choice: you can either use a PSK, or you can use = PKI+configured trust relationship based on name. The trust = relationship is implicit with PSK. PSK should still be asymmetric, so = that you don=E2=80=99t create a fertile ground for attacks. >> without any indication that it's a legitimate >> _core-rd-dtls._udp.example.com . >=20 > There must be another source of that authorization (as a resource = directory that this client is authorized to use =E2=80=94 not with = respect to the resource directory allowing access, but with respect to = the overseeing principal of the client allowing that to rely on using = it). Yup. >=20 >> Is there a document that bridges that gap in a usable manner that we = can >> point to for security considerations? Otherwise I'd rather leave the >> TLSs out of here. (Alternatively, we could describe them as = opportunistic >> encryption.) >=20 > This situation is as open to different authorization strategies as any = other use of CoAPS is, so I don=E2=80=99t see why we need to make this a = special case. While this is true in principle, I don=E2=80=99t think we want a million = different authorization strategies to choose from. --Apple-Mail=_149A8AE2-7ACB-4370-884C-FBB7B4C1C33D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 On = Mar 2, 2020, at 10:54 AM, Carsten Bormann <cabo@tzi.org> wrote:
One assumption that is = used in many TLS-based applications is that TLS is used to authenticate = the server as the holder of the domain name that the client specified = upon connection setup (e.g., after taking that domain name out of an = https:// URI as the only information that is available for authorizing = that server).

That=E2=80=99s what DNSSEC is for, so you definitely = shouldn=E2=80=99t use it exactly this way.   The correct way to do = something like this, if you want to, is to trust the = =E2=80=9CAD=E2=80=9D bit returned by the resolver.  In order to do = this, you would want to use DTLS to validate your trust relationship = with the resolver.  You could also use TSIG or SIG(0) for that, = however, at a substantially lower cost.   Although it might be = worth it to use DTLS just because it=E2=80=99s one less hunk of code to = include if you=E2=80=99re already using DTLS for something = else.

(Since DNS-SD is about domain names, this assumption might = seem more appropriate for DNS-SD based usage than it is in other ways of = using CoAP, but then DNS-SD may just be in use for an initial RD = discovery phase.)

Yup.

If = the client is configured to register at any RD in the current domain,
it'd receive a

_core-rd-dtls._udp.example.com IN SRV 1 1 5683 rd1.example.com

When it connects, the server would present a = certificate for
rd1.example.com

Would it? =  It might be using PSK.

You have a choice: you can either use a PSK, or you can = use PKI+configured trust relationship based on name.   The trust = relationship is implicit with PSK.   PSK should still be = asymmetric, so that you don=E2=80=99t create a fertile ground for = attacks.

without= any indication that it's a legitimate
_core-rd-dtls._udp.example.com.

There must be another source of that authorization (as a = resource directory that this client is authorized to use =E2=80=94 not = with respect to the resource directory allowing access, but with respect = to the overseeing principal of the client allowing that to rely on using = it).

Yup.


Is there a document that bridges that = gap in a usable manner that we can
point to for security = considerations? Otherwise I'd rather leave the
TLSs out of = here. (Alternatively, we could describe them as opportunistic
encryption.)

This = situation is as open to different authorization strategies as any other = use of CoAPS is, so I don=E2=80=99t see why we need to make this a = special case.

While this is true in principle, I don=E2=80=99t think we = want a million different authorization strategies to choose = from.

= --Apple-Mail=_149A8AE2-7ACB-4370-884C-FBB7B4C1C33D-- From nobody Mon Mar 2 11:43:58 2020 Return-Path: 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 94FC43A1045 for ; Mon, 2 Mar 2020 11:43:49 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 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, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=gmx.net 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 rsb0oI4AY8hX for ; Mon, 2 Mar 2020 11:43:48 -0800 (PST) Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) (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 8A4FD3A1046 for ; Mon, 2 Mar 2020 11:43:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1583178214; bh=q1jAwypnSWLl3lsJRufo+pN/L4hwxh5t6RieUgG801U=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=OmfWHPfcxqmzequxFRaH5PUSYLx7kCn7mKNTfcBimcFjPQSSYUBQqb/5SqAU86DsQ aRPf4Z1ngjRgDPY00ZdUTY79GHFNGC6vNdSuDoluxfdNYifXrj9ISvQP4J9cM2y+cZ Vyz6rpEk2AnstBr/+IqfVjuZKfnvCIB0fWSDVfCo= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.178.45] ([178.2.218.136]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MzhjF-1jLrUK3HVZ-00vi01; Mon, 02 Mar 2020 20:43:33 +0100 To: =?UTF-8?Q?Christian_Ams=c3=bcss?= , Carsten Bormann Cc: Core References: <2554B0B8-1C32-453E-AB28-90AB61242450@tzi.org> <20200302160627.GB568382@hephaistos.amsuess.com> From: Achim Kraus Message-ID: <8b529320-2d34-b4f7-d28b-7047fb3ddef4@gmx.net> Date: Mon, 2 Mar 2020 20:43:32 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200302160627.GB568382@hephaistos.amsuess.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: de-AT-frami Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:lomzBDAdYtuEnHeOKBZ8utecyw2ATZMS8mBR8xozZKYyttchL94 Z3Bv6MRdx/lAVUlLOhV9ZO4PqxWYNMX6M1RrHCJqlm2AS9KiX/RXMy76B8oZOXubect+pyb IRBG/sjChe9L+ieEUdGbZlrBSYmsa97oFy9DmxkJHKZEVMx8GuWnl9HqyHHtLsbuiKpUWfe Y+QUvd3e87oY7PNKX7orQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:jP2MOAjLNfo=:T2fp54BtH9CTPlAA41cJ7s YnPqrPbY9hEGj8rxttFQOWIFYf/kKH+8lZs+KMOTSmWfCZh4u8FdBwzDUIKJ91ioq7aHrSgmu ouMPFjpK6f89TfXHTidPzEKvf6NNTLT5z+PdGf351Whw/C2GVhELbj7kOjI9ToLsbl1swbGml m9+xah3O4tuwabF3HlQr9rm4hhCATBt/fmk3Wjsihe7OCdFl4u3pUmhFnFbp6HZ2ie/9OJmxl bMFHaW8EUL/f5/R/ocDLmLobp1+qQbocQhNNbDo4UARpHDR4EvjE9LjrtLtVhTtBYst/+qQNM Jq6n7YGIvww4Q3E1fDDBUK4NsocasjWgMRXnaZUBRR/0gPcbsv0kAk+lVoauq5KjzxC6eNy4x +OFuhDlIvbOrGeIiQVl0KMZ0ZtQvLmsr/vpTVtQybYc5xqrD59AqwxFzgb8v/kpPDEi0SUK/S PbklIWgvMCFXRtc5F8GpP17RioeeE/RKOAQ6y14+NxfC7qCS/n8Oxyvc3dPX720JaL8zk/sel xNh9InvKQllHnNVsuJdH50s5nDeeEmSnJIIGzmN2mzFEtavqWMnxD9WPBmnXRXxmjkRu+oj5z 8jvid0wvU8p+YVfqwW5C2oo/xZP4MSCl8ZLjDV9BL+LSFftwSJQ7OXPH6rlBLISj/0Yvbk4ct /CQydEt4P1QJ8kV9HlmD1n8JfiN8tHLNMoyfgqQuodbrwhWcAUKEjBx1D4ae2SERbvr33aeS4 Gv8SFZkN4tilxvpXwE4qP4GGFeEKsDHMHzW24qxVMqVMpKRq0dV9Xzd/U+tmqqawfX9WCSM1o xiYevavhGfKQg0gtNV6yFit4VBN8LcnyL+24XJeTQxQu4fsxzraj4dWxGxFeohkZFwGBJOiGf U7juNyug//gIOlJe4GNFZSJVH32m0JySLpdaYIex25dGwiMIyYwlEVRoGchJYAO2bu7BCUuvU twg8gp2j6aAjXrOgoJGzZOPZVVLnhvNgOLSXdGvGSxHKbRcX70SR495pgKLfnnQfQh4qPg/LA wrJQe9mT/u81DdoMZoS7fDAtOjg/jLXZ2TRfQioImtqhNU+kSyR2OrnfRNXAJhvEbTbZEP9VY OCKxDFwC7LbsfYzOrxJC1zo2ojsYBiWPM/T3fMFPKUThe+zbih2EXaRsu2MX1/k/FyLxhh1aG ZkNljjFkkO4JOyUc/R1jbzQNEjaHiBa8/fg8oN2eeqUTfp02CDlFDXWitdTuiKhqYGC/yAOnj s202LA7Y5aw24167H Archived-At: Subject: Re: [core] Consensus on using Echo to mitigate NoSec amplification? X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Mar 2020 19:43:57 -0000 Hi List, Am 02.03.20 um 17:06 schrieb Christian Ams=FCss: > On Tue, Feb 25, 2020 at 02:19:33PM +0100, Carsten Bormann wrote: >> Would the CoRE WG be fine with expanding the =93updates 7252=94 text in >> draft-ietf-core-echo-request-tag to also include recommending this >> mitigation? If you have a position on this, please reply to the list >> (or to the chairs) by March 2nd. > > The current version stays as vague on what a larger response is as > RFC7252, I'd like to sharpen that when incorporating the above. My > current corner points are "a TCP SYN+ACK is 3 byte larger than a SYN", > and that NTP had a factor-200 amplification built in earlier versions > (though that's probably UDP-only, and headers'd make that more like > factor-50). > > Is there any guidance that could be referenced, eg. an RFC that puts a > number to what consitutes an amplification attack vector? Even [RFC4732] > only talks of "significantly greater" packages. FMPOV, not only the size of a response to an "unverfied peer" should be considered to be limited, also the interval of consecutive responses to such a peer should be throttled. (For me this looks very similar to "DTLS 1.2 Connection ID". When a peer seems to have a new ip-address, the traffic to that peer should be limited in size and frequence, until the new address is verfied.) Best regards Achim Kraus > > Thanks > Christian > > [RFC4732]: https://tools.ietf.org/html/rfc4732#section-3.1 > > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > From nobody Tue Mar 3 04:26:45 2020 Return-Path: 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 A89F33A1E74; Tue, 3 Mar 2020 04:26:43 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.622 X-Spam-Level: X-Spam-Status: No, score=-1.622 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.276, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=no autolearn_force=no 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 8CVOXMyFpU42; Tue, 3 Mar 2020 04:26:42 -0800 (PST) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0AD473A1E76; Tue, 3 Mar 2020 04:26:40 -0800 (PST) Received: from poseidon-mailhub.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bd]) by prometheus.amsuess.com (Postfix) with ESMTPS id 2B5BF40118; Tue, 3 Mar 2020 13:26:38 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bf]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 58EFBDB; Tue, 3 Mar 2020 13:26:37 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:751e:639b:a0a8:6c84]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 1B12537; Tue, 3 Mar 2020 13:26:37 +0100 (CET) Received: (nullmailer pid 965915 invoked by uid 1000); Tue, 03 Mar 2020 12:25:16 -0000 Date: Tue, 3 Mar 2020 13:25:16 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: Francesca Palombini , "core@ietf.org" Cc: "draft-ietf-core-echo-request-tag@ietf.org" Message-ID: <20200303122516.GC568382@hephaistos.amsuess.com> References: <20191031160000.GA28025@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uh9ZiVrAOUUm9fzH" Content-Disposition: inline In-Reply-To: <20191031160000.GA28025@hephaistos.amsuess.com> Archived-At: Subject: Re: [core] Review of draft-ietf-core-echo-request-tag-07 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Mar 2020 12:26:44 -0000 --uh9ZiVrAOUUm9fzH Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello Francesca and group, this is the only remaining open discussion point from that review as far as I can tell, but can be closed now as well: On Thu, Oct 31, 2019 at 05:00:00PM +0100, Christian M. Ams=FCss wrote: > > * Section 3.2 > >=20 > > I am not sure it is said anywhere what the server should do if it > > supports the Request-Tag option and it receives it in a non-blockwise > > message... I guess just discard, but it would be good to explicitely > > state. > >=20 > > Also, could this option be used for something else? For example, I am > > thinking of Observe operations, re-registration... Does not need to be > > defined here, but if we MANDATE that it can only be used with > > blockwise, we are practically stopping any other use that might come > > up... >=20 > I did consider making this a "MUST NOT process" for anything else, but > I think that would rule out those other applications that you think of. >=20 > Currently we state that they MUST NOT be present when neither Block1 nor > Block2 is present (though, AFAIR, without good reason other that we > don't see a use case). Should that be left in, or would you like to see > that relaxed? A Request-Tag unaware proxy may legitimately reassemble a previously fragmented request-tagged message, creating a legitimate Request-Tag carrying block-free message, so that's being changed to "and MUST be ignored in those" cases. (As request-tagged requests can happen by proxies, that might rule out some of the uses cases.) Kind regards Christian --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --uh9ZiVrAOUUm9fzH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5eTKwACgkQOY0REtOk veFKbw/+LY395ApNUa40Co4BNWkc8WfnlVvlLVVKXLsfIZ6eBFe2hz8yRzzynKgf +PrjmSonGjeu0lrbg6bVpkTHro3h2MQNGcXPrd1HSfFjUHLgOnv4/BVnChfXIvOB +09anQHMp8JX4YhId/ReOPOwdRk/gSsGf6W1p17Gn/zS9HOaiqgtTnS7NRx+MMuZ ozAvaB39LF4jqSuPUMxd0ntxF6uzUFlcszB5y9LePp0qnBf3jCG4oSJiLq6KVa3P /kc5DKJvDPTLX2HnZ0VKAKKDhXYUEEuEJg63lL8oWpJMhKy7tlgugGwsNczsiGp2 HHFGCbsWkjIwt43sGxNID5vrFgVymXvREgGk+Q/XnIdB9rJZXpMOaq0M6DezMmNp Y+IWNRjH5+85ADq+xDXe6bitXz1/PgZazLtyLQBCXL/HZyBBLthe1X1cHrRT8+vG USTYSrQ8QIjHLaagUw1pWXkayRJwP4i/sd10pYvB0KYb6SONtaBpQBnY8dXDpKg1 kIGactXv81BV2hJAJSNA1lab9GO6AeFz6WqDHGirWxfBmNYfJvG0butyrjdbAcf8 Lar0JzAmc83VAZL911P4OVELC0R9ZOtelYq+GpMDHyNreGg7GWHLY60P8b5Nr2Ge eFIU2DjsAsaSkC2KqbHJVP5he0zsX28955s/t3dZRQhIUIHg+c0= =fyVW -----END PGP SIGNATURE----- --uh9ZiVrAOUUm9fzH-- From nobody Tue Mar 3 05:17:07 2020 Return-Path: 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 7557C3A21AD; 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Tue, 3 Mar 2020 13:17:01 +0000 From: Francesca Palombini To: =?utf-8?B?Q2hyaXN0aWFuIEFtc8O8c3M=?= , "core@ietf.org" CC: "draft-ietf-core-echo-request-tag@ietf.org" Thread-Topic: [core] Review of draft-ietf-core-echo-request-tag-07 Thread-Index: AQHVcui/aH+go2Py6U2ZAyzYnkkAbqd1Iq0AgMKlGACAAB85gA== Date: Tue, 3 Mar 2020 13:17:01 +0000 Message-ID: <8871D0BA-564A-42C4-B6BD-33EC7D3C71A7@ericsson.com> References: <20191031160000.GA28025@hephaistos.amsuess.com> <20200303122516.GC568382@hephaistos.amsuess.com> In-Reply-To: <20200303122516.GC568382@hephaistos.amsuess.com> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=francesca.palombini@ericsson.com; x-originating-ip: [192.176.1.84] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0dc653af-6b4f-4a5b-9eae-08d7bf75291a x-ms-traffictypediagnostic: HE1PR0702MB3561: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; 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charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: ericsson.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0dc653af-6b4f-4a5b-9eae-08d7bf75291a X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2020 13:17:01.5904 (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: tt+PMWqGlYH1aAtMMnMZmiJ4GRu4eYThBEKvzXME+msSoUjfbk0iHxUvlLGWpO+ytUClDNPM815nnK+vyNVYL8i8UhSzY+UFGSJHJU7Z4Y0+T1wEMl/0+GY5XTnbadFJ X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0702MB3561 Archived-At: Subject: Re: [core] Review of draft-ietf-core-echo-request-tag-07 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Mar 2020 13:17:06 -0000 U291bmRzIGdvb2QgdG8gbWUuIEFuZCBhcyB5b3UgcG9pbnRlZCBvdXQgd2UgZG9uJ3Qgc2VlIHVz ZSBvdGhlciBjYXNlcyByaWdodCBub3csIGFueXdheS4NClRoYW5rcyBmb3IgYWRkcmVzc2luZyBt eSBjb21tZW50cy4NCg0KRnJhbmNlc2NhDQoNCu+7v09uIDAzLzAzLzIwMjAsIDEzOjI2LCAiQ2hy aXN0aWFuIEFtc8O8c3MiIDxjaHJpc3RpYW5AYW1zdWVzcy5jb20+IHdyb3RlOg0KDQogICAgSGVs bG8gRnJhbmNlc2NhIGFuZCBncm91cCwNCiAgICANCiAgICB0aGlzIGlzIHRoZSBvbmx5IHJlbWFp bmluZyBvcGVuIGRpc2N1c3Npb24gcG9pbnQgZnJvbSB0aGF0IHJldmlldyBhcyBmYXINCiAgICBh cyBJIGNhbiB0ZWxsLCBidXQgY2FuIGJlIGNsb3NlZCBub3cgYXMgd2VsbDoNCiAgICANCiAgICBP biBUaHUsIE9jdCAzMSwgMjAxOSBhdCAwNTowMDowMFBNICswMTAwLCBDaHJpc3RpYW4gTS4gQW1z w7xzcyB3cm90ZToNCiAgICA+ID4gKiBTZWN0aW9uIDMuMg0KICAgID4gPiANCiAgICA+ID4gSSBh bSBub3Qgc3VyZSBpdCBpcyBzYWlkIGFueXdoZXJlIHdoYXQgdGhlIHNlcnZlciBzaG91bGQgZG8g aWYgaXQNCiAgICA+ID4gc3VwcG9ydHMgdGhlIFJlcXVlc3QtVGFnIG9wdGlvbiBhbmQgaXQgcmVj ZWl2ZXMgaXQgaW4gYSBub24tYmxvY2t3aXNlDQogICAgPiA+IG1lc3NhZ2UuLi4gSSBndWVzcyBq dXN0IGRpc2NhcmQsIGJ1dCBpdCB3b3VsZCBiZSBnb29kIHRvIGV4cGxpY2l0ZWx5DQogICAgPiA+ IHN0YXRlLg0KICAgID4gPiANCiAgICA+ID4gQWxzbywgY291bGQgdGhpcyBvcHRpb24gYmUgdXNl ZCBmb3Igc29tZXRoaW5nIGVsc2U/IEZvciBleGFtcGxlLCBJIGFtDQogICAgPiA+IHRoaW5raW5n IG9mIE9ic2VydmUgb3BlcmF0aW9ucywgcmUtcmVnaXN0cmF0aW9uLi4uIERvZXMgbm90IG5lZWQg dG8gYmUNCiAgICA+ID4gZGVmaW5lZCBoZXJlLCBidXQgaWYgd2UgTUFOREFURSB0aGF0IGl0IGNh biBvbmx5IGJlIHVzZWQgd2l0aA0KICAgID4gPiBibG9ja3dpc2UsIHdlIGFyZSBwcmFjdGljYWxs eSBzdG9wcGluZyBhbnkgb3RoZXIgdXNlIHRoYXQgbWlnaHQgY29tZQ0KICAgID4gPiB1cC4uLg0K ICAgID4gDQogICAgPiBJIGRpZCBjb25zaWRlciBtYWtpbmcgdGhpcyBhICJNVVNUIE5PVCBwcm9j ZXNzIiBmb3IgYW55dGhpbmcgZWxzZSwgYnV0DQogICAgPiBJIHRoaW5rIHRoYXQgd291bGQgcnVs ZSBvdXQgdGhvc2Ugb3RoZXIgYXBwbGljYXRpb25zIHRoYXQgeW91IHRoaW5rIG9mLg0KICAgID4g DQogICAgPiBDdXJyZW50bHkgd2Ugc3RhdGUgdGhhdCB0aGV5IE1VU1QgTk9UIGJlIHByZXNlbnQg d2hlbiBuZWl0aGVyIEJsb2NrMSBub3INCiAgICA+IEJsb2NrMiBpcyBwcmVzZW50ICh0aG91Z2gs IEFGQUlSLCB3aXRob3V0IGdvb2QgcmVhc29uIG90aGVyIHRoYXQgd2UNCiAgICA+IGRvbid0IHNl ZSBhIHVzZSBjYXNlKS4gU2hvdWxkIHRoYXQgYmUgbGVmdCBpbiwgb3Igd291bGQgeW91IGxpa2Ug dG8gc2VlDQogICAgPiB0aGF0IHJlbGF4ZWQ/DQogICAgDQogICAgQSBSZXF1ZXN0LVRhZyB1bmF3 YXJlIHByb3h5IG1heSBsZWdpdGltYXRlbHkgcmVhc3NlbWJsZSBhIHByZXZpb3VzbHkNCiAgICBm cmFnbWVudGVkIHJlcXVlc3QtdGFnZ2VkIG1lc3NhZ2UsIGNyZWF0aW5nIGEgbGVnaXRpbWF0ZSBS ZXF1ZXN0LVRhZw0KICAgIGNhcnJ5aW5nIGJsb2NrLWZyZWUgbWVzc2FnZSwgc28gdGhhdCdzIGJl aW5nIGNoYW5nZWQgdG8gImFuZCBNVVNUIGJlDQogICAgaWdub3JlZCBpbiB0aG9zZSIgY2FzZXMu IChBcyByZXF1ZXN0LXRhZ2dlZCByZXF1ZXN0cyBjYW4gaGFwcGVuIGJ5DQogICAgcHJveGllcywg dGhhdCBtaWdodCBydWxlIG91dCBzb21lIG9mIHRoZSB1c2VzIGNhc2VzLikNCiAgICANCiAgICBL aW5kIHJlZ2FyZHMNCiAgICBDaHJpc3RpYW4NCiAgICANCiAgICAtLSANCiAgICBUbyB1c2UgcmF3 IHBvd2VyIGlzIHRvIG1ha2UgeW91cnNlbGYgaW5maW5pdGVseSB2dWxuZXJhYmxlIHRvIGdyZWF0 ZXIgcG93ZXJzLg0KICAgICAgLS0gQmVuZSBHZXNzZXJpdCBheGlvbQ0KICAgIA0KDQo= From nobody Tue Mar 3 05:22:47 2020 Return-Path: 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 A6D633A0CE8 for ; Tue, 3 Mar 2020 05:22:39 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no 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 Hqpfje5jXj0F for ; Tue, 3 Mar 2020 05:22:32 -0800 (PST) Received: from prometheus.amsuess.com (prometheus.amsuess.com [5.9.147.112]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DFED73A0CD6 for ; Tue, 3 Mar 2020 05:22:31 -0800 (PST) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id 0510A40118 for ; Tue, 3 Mar 2020 14:22:30 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bf]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 10F69DB for ; Tue, 3 Mar 2020 14:22:29 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:751e:639b:a0a8:6c84]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 4E29537 for ; Tue, 3 Mar 2020 14:22:28 +0100 (CET) Received: (nullmailer pid 968303 invoked by uid 1000); Tue, 03 Mar 2020 13:21:07 -0000 Date: Tue, 3 Mar 2020 14:21:07 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org Message-ID: <20200303132107.GD568382@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="tEFtbjk+mNEviIIX" Content-Disposition: inline Archived-At: Subject: [core] Stateless Block1+2 proxy in echo-request-tag and stateless-proxy X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Mar 2020 13:22:40 -0000 --tEFtbjk+mNEviIIX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello CoRE, handling blockwise in a stateless fashion is hard, and previous discussion[1] stalled a bit. My current impression is that both echo-request-tag and stateless-proxy expect the other document to say how it's actualy done (and both documents should be released soon), and nobody is quite sure what *can* be said at all. There is one pretty clear-cut case where "the simple thing" works: Client sends request with Block1 partial data, and the proxy attaches Request-Tag identifying the original client. Even the pure Block2 case is a bit doubtful -- I *think* that a stateless proxy could just forward *safe* requests with Block2 in request and/or response as long as there is no Block1 around, but I'm not sure. When Block1+Block2 comes in, it gets tricky, because a) some argument is needed that a Request-Tag makes sense at all with Block2 (it does, as it can be a legitimate leftover from a reassembly, and can't be changed when going from the Block1 to the Block2 phase), and b) the proxy can't statelessly determine whether a late POST with Block2:n message should have a Request-Tag (as it might belong to a POST Block1:m messagee that had one), or not (because it might belong to a POST with no mention of a Block option and thus no Request-Tag) -- at least not without Request-Tagging *every* message which is clearly excessive. I think that a bit more than the clear-cut case can be salvaged, but honestly am not much driven to make a scenario work for which our best example is a SOAP exchange. So, questions to the group: * Which document should the procedure and limitations be described in (I'd suggest stateless, as the Block2 case needs reasoning that's unrelated to Request-Tag), and * are there any better ideas than "Sorry, no stateless forwarding" for Block1+Block2 or non-safe Block2? KR Christian [1]: https://mailarchive.ietf.org/arch/msg/core/pA1MIF4S0__mwvq3h2XLWybreWw --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --tEFtbjk+mNEviIIX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5eWcAACgkQOY0REtOk veFdQhAAgnVKN9Fn0gK9IiJMDCdQjLNTnzv2isqoiVoDkZebMU2hNz4XQjHo9CN9 k2KhJeHr/q5pCd5Z+u1hbD0li46RCVjhmMTT+GS599ymMh8LWIKe8J8GaNoa5Y73 GBa5gfLxjUha5X5Bqrw9TcPHi1JvhoUGgzU5xsZ/wK23C7UoaJT4SucBOuUPiNu1 vzO+sXM5sj3hHFuA4oxGsuqKn9x7KQr3R+An5zjng6BOoG2Tnbf0jHysv3bYH1tZ h6rdylfwXDK2uvibDcCG216UXOfb3ZgoRU7Lv+PUOdX69I4pSjFSXAD6QeUTIEfh Ot+HxJ2mk/k3R9Ac//CitnP61XbIpkJU8SDLYUzoub1JEis5m7ykc5OP+KI0/mEX xnAPq6BSLuIXMn6Gw2mvBVfFjJoU/G6n5K8irFINBv2WPjPGdDCwnt0wYXwrLjco ioktmP52hvDM93gn0e69hLksp0yY0idpshaszcO2BoRMEoA8/zQ/KhR2FhtE1/H8 oJTexmraT+KB1aNvY43K4o4FUO6efgckifrsTKe2nyDKdy4xSC36AP+DZxQtjei1 /kLUyFnbS77fIl7rHsBj4oKl3JF4WKhY1TcWb+bkAvV9WjFR5pqXaMp3FnWuUZcC k1w6qZOBBcfwDVgRuUxJzy4fu7TKC5Z6rVf6S6+LbQh1Tmzxq/4= =ejpL -----END PGP SIGNATURE----- --tEFtbjk+mNEviIIX-- From nobody Wed Mar 4 01:59:53 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 676213A0B33; Wed, 4 Mar 2020 01:59:51 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.119.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158331599112.29238.12974060302723362063@ietfa.amsl.com> Date: Wed, 04 Mar 2020 01:59:51 -0800 Archived-At: Subject: [core] I-D Action: draft-ietf-core-fasor-00.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2020 09:59:52 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : Fast-Slow Retransmission Timeout and Congestion Control Algorithm for CoAP Authors : Ilpo Jarvinen Markku Kojo Iivo Raitahila Zhen Cao Filename : draft-ietf-core-fasor-00.txt Pages : 15 Date : 2020-03-03 Abstract: This document specifies an alternative retransmission timeout and congestion control back off algorithm for the CoAP protocol, called Fast-Slow RTO (FASOR). The algorithm specified in this document employs an appropriate and large enough back off of Retransmission Timeout (RTO) as the major congestion control mechanism to allow acquiring unambiguous RTT samples with high probability and to prevent building a persistent queue when retransmitting. The algorithm also aims to retransmit quickly using an accurately managed retransmission timeout when link- errors are occuring, basing RTO calculation on unambiguous round-trip time (RTT) samples. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-fasor/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-fasor-00 https://datatracker.ietf.org/doc/html/draft-ietf-core-fasor-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Mar 4 05:24:50 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 7C25E3A0ED8; Wed, 4 Mar 2020 05:24:44 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.119.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158332828438.29449.14143060924221477514@ietfa.amsl.com> Date: Wed, 04 Mar 2020 05:24:44 -0800 Archived-At: Subject: [core] I-D Action: draft-ietf-core-sid-11.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2020 13:24:45 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : YANG Schema Item iDentifier (SID) Authors : Michel Veillette Alexander Pelov Ivaylo Petrov Filename : draft-ietf-core-sid-11.txt Pages : 35 Date : 2020-03-04 Abstract: YANG Schema Item iDentifiers (SID) are globally unique 63-bit unsigned integers used to identify YANG items. This document defines the semantics, the registration, and assignment processes of SIDs. To enable the implementation of these processes, this document also defines a file format used to persist and publish assigned SIDs. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-sid/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-sid-11 https://datatracker.ietf.org/doc/html/draft-ietf-core-sid-11 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-sid-11 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Mar 4 07:43:37 2020 Return-Path: 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 9CBA63A119E for ; Wed, 4 Mar 2020 07:43:30 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.2 X-Spam-Level: X-Spam-Status: No, score=-0.2 tagged_above=-999 required=5 tests=[BAYES_20=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=isode.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 wZtva9RcUC8d for ; Wed, 4 Mar 2020 07:43:29 -0800 (PST) Received: from statler.isode.com (Statler.isode.com [62.232.206.189]) by ietfa.amsl.com (Postfix) with ESMTP id D97A93A11B3 for ; Wed, 4 Mar 2020 07:43:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1583336607; d=isode.com; s=june2016; i=@isode.com; bh=pua0EkF2cee9ajoocjXuGglZFLcBvpFfsAbq4mw3hVI=; h=From:Sender:Reply-To:Subject:Date:Message-ID:To:Cc:MIME-Version: In-Reply-To:References:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description; b=e1/wJ2tAtFWLQHza04fepvVxqPCutNBFx9vSHz5JeUbbHW/c46C3rdu/T8SuA9T1/c613D dUuJmnQk97DLy15XeYuWTPF12jEtx1G5XjkbwL602e7eCqTHzSEfXtq5aY9vw7pVX1gY8n ed/ZZnPhhU0MfWRc3f9P7jkViJmCKHU=; Received: from [172.20.1.215] (dhcp-215.isode.net [172.20.1.215]) by statler.isode.com (submission channel) via TCP with ESMTPSA id ; Wed, 4 Mar 2020 15:43:27 +0000 To: "core@ietf.org" From: Alexey Melnikov Message-ID: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> Date: Wed, 4 Mar 2020 15:43:25 +0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: [core] New CORE co-chair: Marco Tiloca X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2020 15:43:36 -0000 Dear CORE WG participants, I am pleased to announce that Marco Tiloca has agreed to co-chair CORE WG. Please welcome him! Best Regards, Alexey, as responsible AD From nobody Wed Mar 4 12:36:45 2020 Return-Path: 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 2B10D3A0808 for ; Wed, 4 Mar 2020 12:36:43 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no 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 jL0TwVGdbUUu for ; Wed, 4 Mar 2020 12:36:40 -0800 (PST) Received: from wp382.webpack.hosteurope.de (wp382.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8597::]) (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 4B5EC3A07FD for ; Wed, 4 Mar 2020 12:36:39 -0800 (PST) Received: from mail-qv1-f50.google.com ([209.85.219.50]); authenticated by wp382.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1j9aku-0003N6-S6; Wed, 04 Mar 2020 21:36:36 +0100 Received: by mail-qv1-f50.google.com with SMTP id s15so1417271qvn.8 for ; Wed, 04 Mar 2020 12:36:36 -0800 (PST) X-Gm-Message-State: ANhLgQ3RXht5RHnaAdtxmLqijMO2JOYrWWodXgUvDpIcULNundItRNZw 9qkY5ONxBhhVdBON9tT5DybeB3pDbF6W3xmW1y8= X-Google-Smtp-Source: ADFU+vt3VeB7YDLsGf1kBVueVv1xE0rOFL5Z+jGnQrhDEDDmyCIHxzGRWDlu7dx8b/pxIg8WFfMBdTc7fsE4zG8s8js= X-Received: by 2002:a0c:e58e:: with SMTP id t14mr3538655qvm.131.1583354195721; Wed, 04 Mar 2020 12:36:35 -0800 (PST) MIME-Version: 1.0 References: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> In-Reply-To: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> From: Klaus Hartke Date: Wed, 4 Mar 2020 21:36:01 +0100 X-Gmail-Original-Message-ID: Message-ID: To: "core@ietf.org" Content-Type: text/plain; charset="UTF-8" X-bounce-key: webpack.hosteurope.de; hartke@projectcool.de; 1583354200; 8a8de359; X-HE-SMSGID: 1j9aku-0003N6-S6 Archived-At: Subject: Re: [core] New CORE co-chair: Marco Tiloca X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2020 20:36:43 -0000 Welcome, Marco! Klaus From nobody Wed Mar 4 12:56:57 2020 Return-Path: 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 649B33A086E for ; Wed, 4 Mar 2020 12:56:55 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 2krXH9YMczII for ; Wed, 4 Mar 2020 12:56:53 -0800 (PST) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 907093A086D for ; Wed, 4 Mar 2020 12:56:53 -0800 (PST) Received: from [192.168.217.147] (p5089A9C4.dip0.t-ipconnect.de [80.137.169.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48XmQX1YDCz104q; Wed, 4 Mar 2020 21:56:52 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> Date: Wed, 4 Mar 2020 21:56:51 +0100 Cc: "core@ietf.org" X-Mao-Original-Outgoing-Id: 605048211.678407-45ce6a9929b44e280ef5a345f2faa313 Content-Transfer-Encoding: quoted-printable Message-Id: References: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> To: Marco Tiloca X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] New CORE co-chair: Marco Tiloca X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Mar 2020 20:56:55 -0000 > On 2020-03-04, at 16:43, Alexey Melnikov = wrote: >=20 > I am pleased to announce that Marco Tiloca has agreed to co-chair CORE = WG. Please welcome him! Congratulations, Marco! A well-deserved recognition of your contributions. And welcome to your new role! 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Thu, 05 Mar 2020 00:49:22 -0800 (PST) MIME-Version: 1.0 References: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> <20BDF3D1-FCAF-423F-8D71-1F10AEA4CB91@arm.com> In-Reply-To: <20BDF3D1-FCAF-423F-8D71-1F10AEA4CB91@arm.com> From: Ivaylo Petrov Date: Thu, 5 Mar 2020 09:48:56 +0100 Message-ID: To: "core@ietf.org" Content-Type: multipart/alternative; boundary="00000000000001a3f105a0179df9" Archived-At: Subject: Re: [core] New CORE co-chair: Marco Tiloca X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Mar 2020 08:49:26 -0000 --00000000000001a3f105a0179df9 Content-Type: text/plain; charset="UTF-8" Congratulations, Marco! On Wed, Mar 4, 2020 at 10:11 PM Thomas Fossati wrote: > On 04/03/2020, 20:36, "core on behalf of Klaus Hartke" < > core-bounces@ietf.org on behalf of hartke@projectcool.de> wrote: > > Welcome, Marco! > > Yes, +1 > -- > > > IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > --00000000000001a3f105a0179df9 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Congratulations, Marco!
<= div dir=3D"ltr">
<= div style=3D"margin:8px 0px 0px;padding:0px">


On Wed, Mar 4, 2020= at 10:11 PM Thomas Fossati <T= homas.Fossati@arm.com> wrote:
On 04/03/2020, 20:36, "core on behalf of Klaus Ha= rtke" <c= ore-bounces@ietf.org on behalf of hartke@projectcool.de> wrote:
> Welcome, Marco!

Yes, +1
--


IMPORTANT NOTICE: The contents of this email and any attachments are confid= ential and may also be privileged. If you are not the intended recipient, p= lease notify the sender immediately and do not disclose the contents to any= other person, use it for any purpose, or store or copy the information in = any medium. Thank you.
_______________________________________________
core mailing list
core@ietf.org
https://www.ietf.org/mailman/listinfo/core
--00000000000001a3f105a0179df9-- From nobody Thu Mar 5 02:12:03 2020 Return-Path: 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 00AEB3A119C for ; Thu, 5 Mar 2020 02:11:58 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.12 X-Spam-Level: X-Spam-Status: No, score=-1.12 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=messagingengine.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 KEeuoJgdexbF for ; Thu, 5 Mar 2020 02:11:55 -0800 (PST) Received: from wout4-smtp.messagingengine.com (wout4-smtp.messagingengine.com [64.147.123.20]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 92C043A0A93 for ; Thu, 5 Mar 2020 02:11:55 -0800 (PST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id 776A8779; Thu, 5 Mar 2020 05:11:54 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute7.internal (MEProxy); Thu, 05 Mar 2020 05:11:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=LGxSnP ZTtnm05g8GGP2IQDOWXIgc3dcerr1mfhDufvQ=; b=3VIZCzfZT37Y93tOPAaYH3 oDjlX4HGCZIEMwnyVhNtme3bnBlOYqwTZUesf6s6zpfk2yxttHhRwRq+Wouj4Dx4 zygptyNzw5SdPaT7IJNqhO8cnk/Fg5hjuK2+wQBRbDYouUbHwrC9qrKFwNmeVy6D 3dmRQ+xPbKzA8W22vdsmqkpsORDHfI9LgS64rOeXvKddq8aBx0tI0Mgdb2ZtYuit WyGbJls3Ue2HbEujB0C0UBY1EuX3VTTlylQJzpGWogPEhO8pkNc/Id3QpLSDgKCj bgfifijlHleO4HWT4kdHexyzVyatocQoJLVeboMRW1CPr6wJjiQMQQ19PIucU2/A == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedruddutddgudefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeflrghimhgv ucflihhmrohnvgiiuceojhgrihhmvgesihhkihdrfhhiqeenucffohhmrghinhepihgvth hfrdhorhhgnecukfhppeekjedruddttddrudeigedrfeeknecuvehluhhsthgvrhfuihii vgeptdenucfrrghrrghmpehmrghilhhfrhhomhepjhgrihhmvgesihhkihdrfhhi X-ME-Proxy: Received: from EMB-918HFH01 (87-100-164-38.bb.dnainternet.fi [87.100.164.38]) by mail.messagingengine.com (Postfix) with ESMTPA id C04E13280064; Thu, 5 Mar 2020 05:11:52 -0500 (EST) Date: Thu, 5 Mar 2020 12:11:32 +0200 From: =?utf-8?Q?Jaime=20Jim=C3=A9nez?= To: Alexey Melnikov Cc: "core@ietf.org" Message-ID: <20200305101132.2vfftkbxp62sto2y@EMB-918HFH01> References: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2f1175d5-5a7f-ec53-0195-2572dbed0b2d@isode.com> Archived-At: Subject: Re: [core] New CORE co-chair: Marco Tiloca X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Mar 2020 10:12:02 -0000 Complimenti Marco! On Wed, Mar 04, 2020 at 03:43:25PM +0000, Alexey Melnikov wrote: > Dear CORE WG participants, > > > I am pleased to announce that Marco Tiloca has agreed to co-chair CORE WG. > Please welcome him! > > > Best Regards, > > Alexey, as responsible AD > > > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core From nobody Thu Mar 5 05:15:41 2020 Return-Path: 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 3D5BC3A1469 for ; Thu, 5 Mar 2020 05:15:39 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.889 X-Spam-Level: X-Spam-Status: No, score=-1.889 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=iotconsultancynl.onmicrosoft.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 Styo2gAbPb21 for ; 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charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: iotconsultancy.nl X-MS-Exchange-CrossTenant-Network-Message-Id: d63c49ba-c3e6-45f1-62c3-08d7c1074a10 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Mar 2020 13:15:34.7314 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 58bbf628-15d2-46bc-820b-863b6774d44b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: HhU+LuHSGi0rZQSWf/zAZPs9xizCMsWs+janWu8IAecMNeoxy6g+HqRpo/l8RqERLLp/Ugj0P2nXT4E3oJQc/xAsFO208fBL6yrLX8kNrGA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5P190MB0482 Archived-At: Subject: Re: [core] New CORE co-chair: Marco Tiloca X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Mar 2020 13:15:39 -0000 V2VsY29tZSBNYXJjbyBpbiB5b3VyIG5ldyBjby1jaGFpciByb2xlIQ0KDQpFc2tvDQoNCi0tLS0t T3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBjb3JlIDxjb3JlLWJvdW5jZXNAaWV0Zi5vcmc+ IE9uIEJlaGFsZiBPZiBBbGV4ZXkgTWVsbmlrb3YNClNlbnQ6IFdlZG5lc2RheSwgTWFyY2ggNCwg MjAyMCAxNjo0Mw0KVG86IGNvcmVAaWV0Zi5vcmcNClN1YmplY3Q6IFtjb3JlXSBOZXcgQ09SRSBj by1jaGFpcjogTWFyY28gVGlsb2NhDQoNCkRlYXIgQ09SRSBXRyBwYXJ0aWNpcGFudHMsDQoNCg0K SSBhbSBwbGVhc2VkIHRvIGFubm91bmNlIHRoYXQgTWFyY28gVGlsb2NhIGhhcyBhZ3JlZWQgdG8g Y28tY2hhaXIgQ09SRSANCldHLiBQbGVhc2Ugd2VsY29tZSBoaW0hDQoNCg0KQmVzdCBSZWdhcmRz LA0KDQpBbGV4ZXksIGFzIHJlc3BvbnNpYmxlIEFEDQoNCg0KDQpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KY29yZSBtYWlsaW5nIGxpc3QNCmNvcmVAaWV0 Zi5vcmcNCmh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vY29yZQ0K From nobody Thu Mar 5 14:14:33 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 19B263A0D22; Thu, 5 Mar 2020 14:14:30 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Carsten Bormann via Datatracker To: X-Test-IDTracker: no X-IETF-IDTracker: 6.119.0 Auto-Submitted: auto-generated Precedence: bulk Cc: iesg-secretary@ietf.org, core@ietf.org, core-chairs@ietf.org, Carsten Bormann , cabo@tzi.org Message-ID: <158344647008.14809.107166300021753081@ietfa.amsl.com> Date: Thu, 05 Mar 2020 14:14:30 -0800 Archived-At: Subject: [core] Publication has been requested for draft-ietf-core-stateless-04 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Mar 2020 22:14:31 -0000 Carsten Bormann has requested publication of draft-ietf-core-stateless-04 as Proposed Standard on behalf of the CORE working group. Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-core-stateless/ From nobody Fri Mar 6 04:18:37 2020 Return-Path: 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 6E0853A0E17 for ; Fri, 6 Mar 2020 04:18:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 Xrdr4VP5lwoU for ; Fri, 6 Mar 2020 04:18:33 -0800 (PST) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B99BD3A0E16 for ; Fri, 6 Mar 2020 04:18:32 -0800 (PST) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48YmqV6dlRzykP; Fri, 6 Mar 2020 13:18:30 +0100 (CET) From: Carsten Bormann Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mao-Original-Outgoing-Id: 605189910.308197-8978dbeaa09790f9964ac5309401e160 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) Date: Fri, 6 Mar 2020 13:18:30 +0100 Message-Id: <7319C97D-D4B4-473C-A65B-5216618E401C@tzi.org> To: "core@ietf.org WG" X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: [core] Advancing senml-versions X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Mar 2020 12:18:36 -0000 (No chair hat) I just submitted draft-bormann-core-senml-versions-01 Htmlized: = https://tools.ietf.org/html/draft-bormann-core-senml-versions-01 It seems this document is needed to enable = draft-ietf-core-senml-more-units to go forward, resolving the remaining = IESG DISCUSS. We haven=E2=80=99t really had a lot of discussion of the approach of = this document outside the discussion of that DISCUSS. Nonetheless, = I=E2=80=99m going to ask the chairs to consider whether this can go = through a working group adoption call now, so we can unlock -more-units, = which is needed by other SDOs. Gr=C3=BC=C3=9Fe, Carsten From nobody Fri Mar 6 07:56:42 2020 Return-Path: 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 C52C43A09CC for ; Fri, 6 Mar 2020 07:56:32 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.621 X-Spam-Level: X-Spam-Status: No, score=-1.621 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.276, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no 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 M1IW6uSaIt8U for ; Fri, 6 Mar 2020 07:56:31 -0800 (PST) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0900F3A0A26 for ; Fri, 6 Mar 2020 07:56:30 -0800 (PST) Received: from poseidon-mailhub.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bd]) by prometheus.amsuess.com (Postfix) with ESMTPS id B01FD400FD for ; Fri, 6 Mar 2020 16:56:27 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 1DEBDDB for ; Fri, 6 Mar 2020 16:56:26 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:61c2:5f46:f2d3:5753]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id B58E637 for ; Fri, 6 Mar 2020 16:56:25 +0100 (CET) Received: (nullmailer pid 1292994 invoked by uid 1000); Fri, 06 Mar 2020 15:55:02 -0000 Date: Fri, 6 Mar 2020 16:55:02 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org Message-ID: <20200306155502.GA1182799@hephaistos.amsuess.com> References: <158344647008.14809.107166300021753081@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="nFreZHaLTZJo0R7j" Content-Disposition: inline In-Reply-To: <158344647008.14809.107166300021753081@ietfa.amsl.com> Archived-At: Subject: Re: [core] Publication has been requested for draft-ietf-core-stateless-04 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Mar 2020 15:56:40 -0000 --nFreZHaLTZJo0R7j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 05, 2020 at 02:14:30PM -0800, Carsten Bormann via Datatracker w= rote: > Carsten Bormann has requested publication of > draft-ietf-core-stateless-04 as Proposed Standard on behalf of the > CORE working group. I take it that on the topic of stateless proxy block-wising[1], this means that it's up to ERT to describe the details? KR c [1]: https://mailarchive.ietf.org/arch/msg/core/5Pc92j3uriocjRVjyeo90fySEwc --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --nFreZHaLTZJo0R7j Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5iclMACgkQOY0REtOk veEHLA//SY6UWznELl1KdBDxG/n9EyGQ0FL9GeFZSZw+Ug3YnonmkM+Y78DO3B2R a9V6IB5jCNFkuckNpmhxKrO2TdjUvFYzGU1CzXh/lGGuQ8sicWW5paJroQ3rFL1A m7m1s0qEyffeTTcjFJlThz95K9RDDIZfgUpRk5qfo1/Z34j4o94P+55rwWp1rHRU vHNTRl38vyJNtfm0shGUEUqdWh6nXQc/ItQWOxbD7yLhO0636pyWEv+sgD9XAGCA lk736O2pfTvvnrWafP6eCKdMzKX9qENelXBIoY9mZE5cGOm8Hx0ta0yggcKB7qUV dH2Jk/+I9LkBeq1TydddCRHRBghzaI4P/3hXlms0QVb0RCiXzvp5TM7gt3RMkFHR RkDj3jhwHkUBer+/JTnchm56d5s6JcZ2Szq6AO39j6PX1+bexHeiCxwgWw4cVkCi rc6La2NICrcR1pJt7ASE5iszaei5ryUmyCVj9xaK3yLcrA+OQ7zLTMC159HvMKRy DDqzdSF8Yr3JYOckn2YBG/wr0xKjwjlMKUWaDwQcq2Qt07XBG/Yj+kkU/Dzn8OEy 2BDLwAu3e6hG2IPdmiAdpwlXPEXo9IZNrxwXi4ZPEpvf5ZgsXjSGAC0rM2ClFZN4 bdmUTT3qgffYpRGANJYtG7LfVUYUe9VNTaYNj06vZfyTa1cPCeA= =E67y -----END PGP SIGNATURE----- --nFreZHaLTZJo0R7j-- From nobody Fri Mar 6 08:34:24 2020 Return-Path: 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 EEC163A0A5D for ; Fri, 6 Mar 2020 08:34:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 xqmpaH4YZdo3 for ; Fri, 6 Mar 2020 08:34:19 -0800 (PST) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 730B03A094D for ; Fri, 6 Mar 2020 08:34:19 -0800 (PST) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48YtVd5P4Wz18tN; Fri, 6 Mar 2020 17:34:17 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <20200306155502.GA1182799@hephaistos.amsuess.com> Date: Fri, 6 Mar 2020 17:34:17 +0100 Cc: core@ietf.org X-Mao-Original-Outgoing-Id: 605205257.194604-685ba672d2080f4efda62d507414f1e1 Content-Transfer-Encoding: quoted-printable Message-Id: <541D428C-FD6E-4099-BE1B-00D831A8D462@tzi.org> References: <158344647008.14809.107166300021753081@ietfa.amsl.com> <20200306155502.GA1182799@hephaistos.amsuess.com> To: =?utf-8?Q?Christian_Ams=C3=BCss?= X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] Publication has been requested for draft-ietf-core-stateless-04 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Mar 2020 16:34:22 -0000 On 2020-03-06, at 16:55, Christian Ams=C3=BCss = wrote: >=20 > On Thu, Mar 05, 2020 at 02:14:30PM -0800, Carsten Bormann via = Datatracker wrote: >> Carsten Bormann has requested publication of >> draft-ietf-core-stateless-04 as Proposed Standard on behalf of the >> CORE working group. >=20 > I take it that on the topic of stateless proxy block-wising[1], this > means that it's up to ERT to describe the details? Actually, I believe this is material for neither. You don=E2=80=99t need ERT to solve this problem, and it is a similar = problem even if stateless is not in use, so we should write this up in = general. 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Mon, 9 Mar 2020 10:07:44 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:f957:fc1b:6dc1:8d4b]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 98EEA148; Mon, 9 Mar 2020 10:07:44 +0100 (CET) Received: (nullmailer pid 1412080 invoked by uid 1000); Mon, 09 Mar 2020 09:06:20 -0000 Date: Mon, 9 Mar 2020 10:06:19 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: Ted Lemon Cc: Carsten Bormann , "core@ietf.org" Message-ID: <20200309090619.GB1182799@hephaistos.amsuess.com> References: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> <20191119125733.GA8007@hephaistos.amsuess.com> <4C059F03-BB42-498D-9B75-A08BEA274416@tzi.org> <20200302145539.GA568382@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="8GpibOaaTibBMecb" Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [core] DNS-SD service types for CoRE-RD (Re: AD review of draft-ietf-core-resource-directory-23) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 09:07:51 -0000 --8GpibOaaTibBMecb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello Ted, Carsten and group, thanks for your input; I take from it that DNS-SD discovered secure RD access is realistic, and that while there are several ways to use it, those are not specific to RD and thus we don't have specific security guidance. For the common usage of RD that I personally expect, UDP will be the predominant usage pattern, and the other protocols could still be entered into the registry when actually needed -- that would make the whole thing simpler here as it's only a single new type. Text proposals for both versions (coap/coaps/coap+tcp/coaps+tcp[1,2,3] and coap-only[4,5,6]) are currently in the editors' copy branches, diffs and issue tracker. Given that what was previously discussed in the WG all points to many-services, I'll merge and submit the four-protocol variety this evening before cut-off, but if there are seconds for the argument for simplicity in limited initial choice (with the option to extend without RFC through IANA registration), I'd be happy to go with that. Kind regards Christian [1]: https://core-wg.github.io/resource-directory/dnssd-moreprotos/draft-ie= tf-core-resource-directory.html [2]: https://github.com/core-wg/resource-directory/pull/230/files [3]: https://github.com/core-wg/resource-directory/pull/230 [4]: https://core-wg.github.io/resource-directory/dnssd-nomoreprotos/draft-= ietf-core-resource-directory.html [5]: https://github.com/core-wg/resource-directory/pull/231/files [6]: https://github.com/core-wg/resource-directory/pull/231 --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --8GpibOaaTibBMecb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5mBwgACgkQOY0REtOk veHYFxAAi1z6NcdxvXNbSBAAceuFpmgk7nTHZ/3GnBMv6wQTBarZ4l6ZZVN0rTgB XL0pq2pg3jtTtNOH1TaMcmXdhmOYtaxBT8x2ULqBrMVlSS+9Az36HBPhL1ZzuLjZ Xkw+0v4iPKoYHnuS58PAoDrXu2m6X1xSFkODo7I3gWt2sa+UubCGzanwhjwW+PkI g9LQGsEJ4iBA8MW0j7z2zFh/vWGZZ/u++nFudkjFHQiNmfL2Xhpgmh5kLUkVtgui 28+/OItv7EDWGqYYRUN5SYagorIu8gvAKcR+ak4IzrxhwDCj9CvCaThiY3W3PmlM g54DYOi79UpfjnwOKbzk9r9Ndosc6NS9Vth3972OdjPE3MeunDj882PQ1aes4ZoG H6hqbyOjpeolnpFWBi3E9ss7cHtyeQIvpG2nY1SynEZCloLYKt1gIHgAN/+pB9Kf n1tCQkttqQNs7qPzHupRopG+/9lJ54/160ltIJ+J1Mrs3jkgX430tqkf6iQzRpV2 ASvRObY7dxVZMP5pu2jBN6sV82WcWaAEFL9raBpuSs/okApGbjmz8PdPaQZAWGqC O88wnXFKtquQgCdeGAGFf/AOo0/c/UgvKXvQH7fvxhiUBLBkPHp6AWfCDiAAEPlB Q7cNbcYsbWJBQFS2U8j4A4VTanuR5AVWD3duWBqYGqAOT4OBoLo= =hLhy -----END PGP SIGNATURE----- --8GpibOaaTibBMecb-- From nobody Mon Mar 9 02:54:57 2020 Return-Path: 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 65AD23A0B91 for ; 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Mon, 9 Mar 2020 09:54:41 +0000 From: Thomas Fossati To: "core@ietf.org" Thread-Topic: 10 years of CoRE today? 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X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 09:54:56 -0000 SWYgZGF0YXRyYWNrZXIgaXMgbm90IGx5aW5nIFsxXSwgdG9kYXkgaXMgMTAgeWVhcnMgc2luY2Ug Q29SRSBvZmZpY2lhbGx5DQpzdGFydGVkIQ0KDQpJIHdhc24ndCB0aGVyZSBiYWNrIHRoZW4gLSBt eSBmaXJzdCBjb250YWN0IHdpdGggQ29BUCB3YXMgLTA4IGF0IElFVEYgODINCi0gYnV0IEkgaGF2 ZSBiZWVuIGhlcmUgbG9uZyBlbm91Z2ggdG8gZXZlbiBtYWtlIHNvbWUgdmVyeSBnb29kIGZyaWVu ZHMsDQphbmQgb2JzZXJ2ZSBhIHJlbGF0aXZlbHkgYmlnIGNodW5rIG9mIHRoZSBoaXN0b3J5IG9m IHRoaXMgcGxhY2UuDQoNCkkgKG1vcmUgb3IgbGVzcykgZW5qb3llZCBlYWNoIGFuZCBldmVyeSBl eGNydWNpYXRpbmcgZGlzY3Vzc2lvbiBiZWhpbmQNCnRoaXMgYW1iaXRpb3VzIHRlY2huaWNhbCBw cm9ncmFtbWUsIGJ1dCBtb3N0IG9mIGFsbCBJIGhhdmUgY29tZSB0bw0KYXBwcmVjaWF0ZSB0aGUg Y29zeSwgY29sbGFib3JhdGl2ZSBhbmQgbm9uLWFkdmVyc2FyaWFsIGVudmlyb25tZW50IHRoYXQN CmFsbCB0aGUgZm9sa3MgaGVyZSBoYXZlIGNvbnRyaWJ1dGVkIHRvIGNvbnNpc3RlbnRseSBtYWlu dGFpbiBhbG9uZyB0aGUNCnllYXJzLiAgT2J2aW91c2x5IGV2ZXJ5b25lIGhhcyBwbGF5ZWQgdGhl aXIgcGFydCwgYnV0IEkgdGhpbmsgYQ0Kc3Vic3RhbnRpYWwgY2h1bmsgb2YgdGhlIG1lcml0IGdv ZXMgdG8gQ2Fyc3Rlbiwgd2hvIGhhcyBjb250aW51b3VzbHkNCnBvdXJlZCBhbiBhbWF6aW5nIGFt b3VudCBvZiBlbmVyZ3kgaW50byB0aGlzIGVmZm9ydCwgYW5kIGRlc2VydmVzIGENCmhlYXJ0ZmVs dCBDSEVFUlMhIGZyb20gbXkgc2lkZSA6LSkNCg0KQWxsIHRoZSBiZXN0IGZvciB0aGUgZnV0dXJl IQ0KdA0KDQpbMV0gaHR0cHM6Ly9kYXRhdHJhY2tlci5pZXRmLm9yZy9ncm91cC9jb3JlL2hpc3Rv cnkvDQotLQ0KDQpJTVBPUlRBTlQgTk9USUNFOiBUaGUgY29udGVudHMgb2YgdGhpcyBlbWFpbCBh bmQgYW55IGF0dGFjaG1lbnRzIGFyZSBjb25maWRlbnRpYWwgYW5kIG1heSBhbHNvIGJlIHByaXZp bGVnZWQuIElmIHlvdSBhcmUgbm90IHRoZSBpbnRlbmRlZCByZWNpcGllbnQsIHBsZWFzZSBub3Rp ZnkgdGhlIHNlbmRlciBpbW1lZGlhdGVseSBhbmQgZG8gbm90IGRpc2Nsb3NlIHRoZSBjb250ZW50 cyB0byBhbnkgb3RoZXIgcGVyc29uLCB1c2UgaXQgZm9yIGFueSBwdXJwb3NlLCBvciBzdG9yZSBv ciBjb3B5IHRoZSBpbmZvcm1hdGlvbiBpbiBhbnkgbWVkaXVtLiBUaGFuayB5b3UuDQo= From nobody Mon Mar 9 03:28:20 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id C5BED3A0C44; Mon, 9 Mar 2020 03:28:17 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: , , X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158374969776.13914.13991559059197768604@ietfa.amsl.com> Date: Mon, 09 Mar 2020 03:28:17 -0700 Archived-At: Subject: [core] The CORE WG has placed draft-bormann-core-senml-versions in state "Candidate for WG Adoption" X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 10:28:18 -0000 The CORE WG has placed draft-bormann-core-senml-versions in state Candidate for WG Adoption (entered by Jaime Jimenez) The document is available at https://datatracker.ietf.org/doc/draft-bormann-core-senml-versions/ From nobody Mon Mar 9 05:42:18 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 53E243A0E84; Mon, 9 Mar 2020 05:42:10 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158375773027.13965.6064912444773434364@ietfa.amsl.com> Date: Mon, 09 Mar 2020 05:42:10 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-yang-cbor-12.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 12:42:11 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : CBOR Encoding of Data Modeled with YANG Authors : Michel Veillette Ivaylo Petrov Alexander Pelov Filename : draft-ietf-core-yang-cbor-12.txt Pages : 44 Date : 2020-03-09 Abstract: This document defines encoding rules for serializing configuration data, state data, RPC input and RPC output, Action input, Action output, notifications and yang data template defined within YANG modules using the Concise Binary Object Representation (CBOR) [RFC7049]. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-yang-cbor/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-yang-cbor-12 https://datatracker.ietf.org/doc/html/draft-ietf-core-yang-cbor-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-yang-cbor-12 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 05:49:21 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8B2B93A0F2B; Mon, 9 Mar 2020 05:49:05 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158375814549.14192.13148695158314962270@ietfa.amsl.com> Date: Mon, 09 Mar 2020 05:49:05 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-comi-09.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 12:49:16 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : CoAP Management Interface Authors : Michel Veillette Peter van der Stok Alexander Pelov Andy Bierman Ivaylo Petrov Filename : draft-ietf-core-comi-09.txt Pages : 51 Date : 2020-03-09 Abstract: This document describes a network management interface for constrained devices and networks, called CoAP Management Interface (CoMI). The Constrained Application Protocol (CoAP) is used to access datastore and data node resources specified in YANG, or SMIv2 converted to YANG. CoMI uses the YANG to CBOR mapping and converts YANG identifier strings to numeric identifiers for payload size reduction. The complete solution composed of CoMI, [I-D.ietf-core-yang-cbor] and [I-D.ietf-core-sid] is called CORECONF. CORECONF extends the set of YANG based protocols, NETCONF and RESTCONF, with the capability to manage constrained devices and networks. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-comi/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-comi-09 https://datatracker.ietf.org/doc/html/draft-ietf-core-comi-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-comi-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 05:52:49 2020 Return-Path: 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 414773A0EF2 for ; Mon, 9 Mar 2020 05:52:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=armh.onmicrosoft.com header.b=QVyLnxbK; dkim=pass (1024-bit key) header.d=armh.onmicrosoft.com header.b=QVyLnxbK 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 sNgp6rnTJreu for ; 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Mon, 9 Mar 2020 14:04:32 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: Date: Mon, 9 Mar 2020 14:04:32 +0100 Cc: netmod@ietf.org X-Mao-Original-Outgoing-Id: 605451871.886688-95fa7697ed32fc64bd2b29145fd1dab9 Reply-To: "core@ietf.org WG" Content-Transfer-Encoding: quoted-printable Message-Id: <15C8F1D1-B560-4D52-8D77-377C6B1C0518@tzi.org> References: <9AD3C4BB-7965-4776-84C4-6B5BFDCAA262@tzi.org> To: core X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: [core] =?utf-8?q?=F0=9F=94=94_WG_Last_Call_of_CORECONF_drafts=3A?= =?utf-8?q?_draft-ietf-core-yang-cbor-12=2C_-sid-11=2C_-comi-09=2C_-yang-l?= =?utf-8?q?ibrary-01?= X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 13:04:37 -0000 It took us a long time to get the four CORECONF drafts in sync,=20 but now we are ready for WGLC. This starts a working group last call for =E2=80=94 draft-ietf-core-yang-cbor-12 =E2=80=94 draft-ietf-core-sid-11 =E2=80=94 draft-ietf-core-comi-09 =E2=80=94 draft-ietf-core-yang-library-01 ending on 24:00 UTC on Tuesday, March 31, 2020. (This includes some extra time for the IETF week and for cross-WG coordination.) This WGLC is copied to the netmod WG mailing list; please do have a look=20= at these drafts as they are slated to become a part of the greater YANG/NETCONF/RESTCONF family. We intend the discussion to be on the CoRE mailing list, but if you find a fundamental issue with YANG or=20 RESTCONF, feel free to discuss that on netmod instead. Please start a new email thread for each major issue that will need discussion and make sure the subject line includes the draft name and some sort of name for the issue. (Minor issues such as typos can also be sent to the authors.) If you read the draft and think it looks fine, please send a one line=20 email to the list or to the chairs letting us know that so we can get=20 a feel of how broad the review has been. (To reviewers and authors:) If you are aware of any patent claims that might apply to systems that implement these drafts, please review BCP 78 and BCP 79 and make any appropriate IPR declaration before the last-call ends. If you are not sure whether you need to make a declaration or not,=20= please talk to the chairs and we will help. Gr=C3=BC=C3=9Fe, Carsten From nobody Mon Mar 9 07:00:19 2020 Return-Path: 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 A2AC63A1067 for ; Mon, 9 Mar 2020 07:00:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 I58fAkXh4_Ns for ; Mon, 9 Mar 2020 07:00:04 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 61D113A1096 for ; Mon, 9 Mar 2020 07:00:04 -0700 (PDT) Received: from [172.16.42.113] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48bfxG6LM1z10B5; Mon, 9 Mar 2020 15:00:02 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: Date: Mon, 9 Mar 2020 15:00:02 +0100 X-Mao-Original-Outgoing-Id: 605455202.3285789-793dd675a081c51dabc8a7bf1b4076fe Content-Transfer-Encoding: quoted-printable Message-Id: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> References: To: "core@ietf.org" X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 14:00:14 -0000 Thomas is right, it's 10 years now (or will be later today: Subject: WG Action: Constrained RESTful Environments (core) Date: Tue, 9 Mar 2010 11:00:02 -0800 (PST) ). I wonder if there is a way we can have a face-to-face celebration soon, so I'll resort to supplying some background here on the list. The protocol work was already started in 2009 (under the name of 6lowapp) by Zach Shelby, then of Sensinode fame (acquired by ARM later), several others, and me. Klaus Hartke came in by 2010, first with the Observe idea and spec, and then as a main author on the CoAP spec itself. http://tools.ietf.org/html/draft-bormann-6lowpan-6lowapp-problem-00 is one of the very early documents from 2009. We held a rather memorable "Bar BOF" at IETF75 in Stockholm (not at a bar, but with actual beer! -- thanks to Zach Shelby and his company) crammed in before the social, see http://trac.tools.ietf.org/area/app/trac/wiki/BarBofs/IETF75/6LowApp (and of course my slide set referenced from there) -- that was probably the most productive birthday party I ever had... In that Bar BOF, the decision was taken to start work on an application layer protocol for constrained node networks; the assumption was that work on a constrained transport protocol would take a decade (so it would be finished today :-). We had our IETF BOF at IETF76 in Hiroshima, November 9, 2009. On December 24th, 2009, the -00 of the requirements document was published. We became the CoRE WG on 2010-03-09, right before IETF77 in Anaheim. Only 4 years after the Bar-BoF, the CoAP specification was approved with 8 Yes votes (!) in the IESG (and then had to wait another year in the RFC editor queue before some security area squabble was settled that affected a normative reference). During the ten years of the CoRE WG so far, I shared the chair position with a number of co-chairs: Cullen Jennings to 2012, Andrew McGregor to 2016, Jaime Jim=C3=A9nez since, and now Marco Tiloca as = well. Responsible ADs included Lisa Dusseault who chartered us, Peter Saint-Andre from 2010, Barry Leiba from 2012, and Alexey Melnikov from 2016, with another handoff coming this month. (If you want a visual: https://ietf.org/proceedings/95/slides/slides-95-core-0.pdf#page=3D8 .) In total, we have published 12 RFCs in those first ten years, one experimental (RFC 7390 groupcomm), and 11 standards-track (among these: RFC 6690 link-format, the core set 7252, 7641, 7959; RFC 8132 fetch/patch, RFC 8323 over TCP/TLS; RFC 8613 OSCORE). Quite a few more specifications are almost done or have already left the WG, being processed by the IESG (4) or in the RFC editor queue (1). Of course, it's the working group that is doing the work, not the WG chairs. But among the latter, we now have two on board that I believe are below the IETF median age, which is a good thing going forward. Those who have worked with me a bit longer may know that I have this idiosyncrasy: I'm trying not to do the same thing in the same way for more than ten years. That is not a hard and fast rule, but it has generally served me well. So I'm stepping down as a CoRE WG chair today. I'm not completely leaving the building though, sorry about that. First, I'm staying on as shepherd on a few drafts, as you can see in https://datatracker.ietf.org/group/core/documents/ -- right column. But more importantly, I am a co-author on a few drafts (both in the WG and in the related IRTF T2TRG) I really want to develop to maturity, and I'll now be able to focus on document writing (as opposed to managing the conflict between being a chair and a document author). So I'll still do the same things, just not in the same way! Gr=C3=BC=C3=9Fe, Carsten From nobody Mon Mar 9 07:43:43 2020 Return-Path: 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 9E9C73A1128 for ; Mon, 9 Mar 2020 07:43:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 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, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=tcs.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 67o3zgluGkYC for ; Mon, 9 Mar 2020 07:43:31 -0700 (PDT) Received: from indelg02.tcs.com (indelg02.tcs.com [203.200.109.58]) (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 0F8523A0952 for ; 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i="5.70,533,1574101800"; d="scan'208,217"; a="96014627" MIME-Version: 1.0 Sensitivity: Importance: Normal X-Priority: 3 (Normal) In-Reply-To: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org>, From: Abhijan Bhattacharyya To: "Carsten Bormann" Cc: "core@ietf.org" Message-ID: Date: Mon, 9 Mar 2020 20:13:06 +0530 X-Mailer: Lotus Domino Web Server Release 9.0.1FP10HF540 May 16, 2019 X-MIMETrack: Serialize by http on InKolM02/TCS(Release 9.0.1FP10HF540 | May 16, 2019) at 03/09/2020 20:13:06, Serialize complete at 03/09/2020 20:13:06, Itemize by http on InKolM02/TCS(Release 9.0.1FP10HF540 | May 16, 2019) at 03/09/2020 20:13:06, Serialize by Router on InKolM02/TCS(Release 9.0.1FP10HF540 | May 16, 2019) at 03/09/2020 20:13:08, Serialize complete at 03/09/2020 20:13:08 Content-Type: multipart/alternative; boundary="=_alternative 0050D9D665258526_=" Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 14:43:34 -0000 --=_alternative 0050D9D665258526_= MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Carsten, It was indeed a treasured learning experience for me to interact with you d= uring the journey of RFC 7967 (no-response option). Unfortunately we could = not got that through the WG. But it was under your Chair-ship when we were = able to discuss this in the WG for significant duration over several meetin= gs and, undoubtedly, those discussions and feed backs helped the draft smoo= thly pass through the independent submission track. Appreciate all the guid= ance you provided in tough times. Thank you! = With Best Regards Abhijan Bhattacharyya Consultant / Scientist, {Internet Protocols | 5G | Standardization}, = TCS Research, Tata Consultancy Services Building 1B,Ecospace Plot - IIF/12 ,New Town, Rajarhat, Kolkata - 700160,West Bengal India Ph:- +91 33 66884691 Cell:- +919830468972 | +918583875003 Mailto: abhijan.bhattacharyya@tcs.com Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----"core" wrote: ----- To: "core@ietf.org" From: "Carsten Bormann" = Sent by: "core" = Date: 03/09/2020 07:32PM Subject: Re: [core] 10 years of CoRE today! "External email. Open with Caution" Thomas is right, it's 10 years now (or will be later today: Subject: WG Action: Constrained RESTful Environments (core) Date: Tue, 9 Mar 2010 11:00:02 -0800 (PST) ). I wonder if there is a way we can have a face-to-face celebration soon, so I'll resort to supplying some background here on the list. The protocol work was already started in 2009 (under the name of 6lowapp) by Zach Shelby, then of Sensinode fame (acquired by ARM later), several others, and me. Klaus Hartke came in by 2010, first with the Observe idea and spec, and then as a main author on the CoAP spec itself. http://tools.ietf.org/html/draft-bormann-6lowpan-6lowapp-problem-00 is one of the very early documents from 2009. We held a rather memorable "Bar BOF" at IETF75 in Stockholm (not at a bar, but with actual beer! -- thanks to Zach Shelby and his company) crammed in before the social, see http://trac.tools.ietf.org/area/app/trac/wiki/BarBofs/IETF75/6LowApp (and of course my slide set referenced from there) -- that was probably the most productive birthday party I ever had... In that Bar BOF, the decision was taken to start work on an application layer protocol for constrained node networks; the assumption was that work on a constrained transport protocol would take a decade (so it would be finished today :-). We had our IETF BOF at IETF76 in Hiroshima, November 9, 2009. On December 24th, 2009, the -00 of the requirements document was published. We became the CoRE WG on 2010-03-09, right before IETF77 in Anaheim. Only 4 years after the Bar-BoF, the CoAP specification was approved with 8 Yes votes (!) in the IESG (and then had to wait another year in the RFC editor queue before some security area squabble was settled that affected a normative reference). During the ten years of the CoRE WG so far, I shared the chair position with a number of co-chairs: Cullen Jennings to 2012, Andrew McGregor to 2016, Jaime Jim=E9nez since, and now Marco Tiloca as well. Responsible ADs included Lisa Dusseault who chartered us, Peter Saint-Andre from 2010, Barry Leiba from 2012, and Alexey Melnikov from 2016, with another handoff coming this month. (If you want a visual: https://ietf.org/proceedings/95/slides/slides-95-core-0.pdf#page=3D8 .) In total, we have published 12 RFCs in those first ten years, one experimental (RFC 7390 groupcomm), and 11 standards-track (among these: RFC 6690 link-format, the core set 7252, 7641, 7959; RFC 8132 fetch/patch, RFC 8323 over TCP/TLS; RFC 8613 OSCORE). Quite a few more specifications are almost done or have already left the WG, being processed by the IESG (4) or in the RFC editor queue (1). Of course, it's the working group that is doing the work, not the WG chairs. But among the latter, we now have two on board that I believe are below the IETF median age, which is a good thing going forward. Those who have worked with me a bit longer may know that I have this idiosyncrasy: I'm trying not to do the same thing in the same way for more than ten years. That is not a hard and fast rule, but it has generally served me well. So I'm stepping down as a CoRE WG chair today. I'm not completely leaving the building though, sorry about that. First, I'm staying on as shepherd on a few drafts, as you can see in https://datatracker.ietf.org/group/core/documents/ -- right column. But more importantly, I am a co-author on a few drafts (both in the WG and in the related IRTF T2TRG) I really want to develop to maturity, and I'll now be able to focus on document writing (as opposed to managing the conflict between being a chair and a document author). So I'll still do the same things, just not in the same way! Gr=FC=DFe, Carsten _______________________________________________ core mailing list core@ietf.org https://www.ietf.org/mailman/listinfo/core =3D=3D=3D=3D=3D-----=3D=3D=3D=3D=3D-----=3D=3D=3D=3D=3D Notice: The information contained in this e-mail message and/or attachments to it may contain = confidential or privileged information. If you are = not the intended recipient, any dissemination, use, = review, distribution, printing or copying of the = information contained in this e-mail message = and/or attachments to it are strictly prohibited. If = you have received this communication in error, = please notify us by reply e-mail or telephone and = immediately and permanently delete the message = and any attachments. Thank you --=_alternative 0050D9D665258526_= Content-ID: <> MIME-Version: 1.0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Carsten,
It was indeed a treasured learning experi= ence for me to interact with you during the journey of RFC 7967 (no-respons= e option). Unfortunately we could not got that through the WG. But it was u= nder your Chair-ship when we were able to discuss this in the WG for signif= icant duration over several meetings and, undoubtedly, those discussions an= d feed backs helped the draft smoothly pass through the independent submiss= ion track. Appreciate all the guidance you provided in tough times.

Thank you! 

With Best= Regards
Abhijan Bhattacharyya
Consultant / Scientist,
{Internet Protocols | 5G | Standardization},
TCS Research,
Tata Consultancy Services
Building 1B,Ecospace
Plot -  IIF/12 ,New Town, Rajarhat,
Kolkata - 700160,West Bengal
India
Ph:- +91 33 66884691
Cell:- +919830468972 | +918583875003
Mailto: = abhijan.bhattacharyya@tcs.com
Website: http://www.tcs.com
____________________________________________
Experience certainty. IT Services
Business Solutions
Consulting
____________________________________________


-----"core" <core-bounces@ietf.org> = wrote: -----
To: "core@ietf.org<= /a>" <core@ietf.org>
From: "Carsten Bormann"
Sent by: "core"
Date: 03/09/2020 07:32PM
Subject: Re: [core] 10 year= s of CoRE today!

"External email. Open with Caution"

Thomas is right, it's = 10 years now (or will be later today:
  Subject: WG Action: Co= nstrained RESTful Environments (core)
  Date: Tue,  9 Mar= 2010 11:00:02 -0800 (PST)
).  I wonder if there is a way we can ha= ve a face-to-face celebration
soon, so I'll resort to supplying some bac= kground here on the list.

The protocol work was already started in 2= 009 (under the name of
6lowapp) by Zach Shelby, then of Sensinode fame (= acquired by ARM
later), several others, and me.  Klaus Hartke came = in by 2010, first
with the Observe idea and spec, and then as a main aut= hor on the CoAP
spec itself.

http://tools.ietf.org/html/draf= t-bormann-6lowpan-6lowapp-problem-00 is
one of the very early d= ocuments from 2009.  We held a rather memorable
"Bar BOF" at IETF75= in Stockholm (not at a bar, but with actual beer!
-- thanks to Zach She= lby and his company) crammed in before the
social, see
http://t= rac.tools.ietf.org/area/app/trac/wiki/BarBofs/IETF75/6LowApp
(and of= course my slide set referenced from there)
-- that was probably the mos= t productive birthday party I ever had...

In that Bar BOF, the decis= ion was taken to start work on an
application layer protocol for constra= ined node networks; the
assumption was that work on a constrained transp= ort protocol would
take a decade (so it would be finished today :-).
=
We had our IETF BOF at IETF76 in Hiroshima, November 9, 2009.
On Dec= ember 24th, 2009, the -00 of the requirements document was
published. &n= bsp;We became the CoRE WG on 2010-03-09, right before IETF77
in Anaheim.=

Only 4 years after the Bar-BoF, the CoAP specification was approved=
with 8 Yes votes (!) in the IESG (and then had to wait another year in<= br>the RFC editor queue before some security area squabble was settled
t= hat affected a normative reference).

During the ten years of the CoR= E WG so far, I shared the chair
position with a number of co-chairs: Cul= len Jennings to 2012, Andrew
McGregor to 2016, Jaime Jim=E9nez since, an= d now Marco Tiloca as well.
Responsible ADs included Lisa Dusseault who = chartered us, Peter
Saint-Andre from 2010, Barry Leiba from 2012, and Al= exey Melnikov from
2016, with another handoff coming this month.  (= If you want a visual:
https://ietf.org/proceedings/95/slides/slide= s-95-core-0.pdf#page=3D8 .)

In total, we have published 12 = RFCs in those first ten years, one
experimental (RFC 7390 groupcomm), an= d 11 standards-track (among
these: RFC 6690 link-format, the core set 72= 52, 7641, 7959; RFC 8132
fetch/patch, RFC 8323 over TCP/TLS; RFC 8613 OS= CORE).  Quite a few
more specifications are almost done or have alr= eady left the WG, being
processed by the IESG (4) or in the RFC editor q= ueue (1).

Of course, it's the working group that is doing the work, = not the WG
chairs.  But among the latter, we now have two on board = that I believe
are below the IETF median age, which is a good thing goin= g forward.

Those who have worked with me a bit longer may know that = I have this
idiosyncrasy: I'm trying not to do the same thing in the sam= e way for
more than ten years.  That is not a hard and fast rule, b= ut it has
generally served me well.

So I'm stepping down as a CoR= E WG chair today.

I'm not completely leaving the building though, so= rry about that.
First, I'm staying on as shepherd on a few drafts, as yo= u can see in
https://datatracker.ietf.org/group/core/documents/ -- right co= lumn.

But more importantly, I am a co-author on a few drafts (both i= n the WG
and in the related IRTF T2TRG) I really want to develop to matu= rity,
and I'll now be able to focus on document writing (as opposed tomanaging the conflict between being a chair and a document author).
So I'll still do the same things, just not in the same way!

Gr=FC= =DFe, Carsten

_______________________________________________
cor= e mailing list
core@i= etf.org
https= ://www.ietf.org/mailman/listinfo/core

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--=_alternative 0050D9D665258526_=-- From nobody Mon Mar 9 09:57:35 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 2854F3A139A; Mon, 9 Mar 2020 09:57:30 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158377305006.5562.12856917745856619642@ietfa.amsl.com> Date: Mon, 09 Mar 2020 09:57:30 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-echo-request-tag-09.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 16:57:31 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : CoAP: Echo, Request-Tag, and Token Processing Authors : Christian Amsüss John Preuß Mattsson Göran Selander Filename : draft-ietf-core-echo-request-tag-09.txt Pages : 31 Date : 2020-03-09 Abstract: This document specifies enhancements to the Constrained Application Protocol (CoAP) that mitigate security issues in particular use cases. The Echo option enables a CoAP server to verify the freshness of a request or to force a client to demonstrate reachability at its claimed network address; it is now the recommeded way to mitigate amplification attacks. The Request-Tag option allows the CoAP server to match block-wise message fragments belonging to the same request. The update to the client Token processing requirements of RFC 7252 forbids non-secure reuse of Tokens to ensure binding of responses to requests when CoAP is used with security. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-echo-request-tag/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-echo-request-tag-09 https://datatracker.ietf.org/doc/html/draft-ietf-core-echo-request-tag-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-echo-request-tag-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 10:06:02 2020 Return-Path: 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 1F90D3A130A for ; Mon, 9 Mar 2020 10:06:01 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.623 X-Spam-Level: X-Spam-Status: No, score=-1.623 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.274, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no 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 GUrLc47JRTKw for ; Mon, 9 Mar 2020 10:05:59 -0700 (PDT) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 67B1E3A1306 for ; Mon, 9 Mar 2020 10:05:58 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id 5B40E40028 for ; Mon, 9 Mar 2020 18:05:57 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bf]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 52101DB for ; Mon, 9 Mar 2020 18:05:56 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:10ba:fe54:b668:bae1]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 00474148 for ; Mon, 9 Mar 2020 18:05:55 +0100 (CET) Received: (nullmailer pid 1437468 invoked by uid 1000); Mon, 09 Mar 2020 17:04:30 -0000 Date: Mon, 9 Mar 2020 18:04:30 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org Message-ID: <20200309170430.GA1437092@hephaistos.amsuess.com> References: <158377305006.5562.12856917745856619642@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="W/nzBZO5zC0uMSeA" Content-Disposition: inline In-Reply-To: <158377305006.5562.12856917745856619642@ietfa.amsl.com> Archived-At: Subject: Re: [core] I-D Action: draft-ietf-core-echo-request-tag-09.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 17:06:01 -0000 --W/nzBZO5zC0uMSeA Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello CoRE, On Mon, Mar 09, 2020 at 09:57:30AM -0700, internet-drafts@ietf.org wrote: > Title : CoAP: Echo, Request-Tag, and Token Processing > Authors : Christian Ams=FCss > John Preu=DF Mattsson > G=F6ran Selander > Filename : draft-ietf-core-echo-request-tag-09.txt > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-core-echo-request-tag/ The recent changes in particular: * Make amplification attack mitigation by Echo an RFC7252 updating recommendation (see https://mailarchive.ietf.org/arch/msg/core/wy5bOuXaupfSY9u_hY99U9BD= LZ0) * Give some more concrete guidance to that use case in terms of sizes and message types (ibd, using numbers from CoAP-over-UDP-over-IPv6) * Allow short (1-3 byte) Echo values for deterministic cases, with according security considerations (from implementation experience) * Point out the tricky parts around Request-Tag for stateless proxies, and make that purely an outlook example with out-of- scope details (see https://mailarchive.ietf.org/arch/msg/core/5Pc92j3uriocjRVjyeo90fyS= Ewc and https://mailarchive.ietf.org/arch/msg/core/IoIhwW6qUKmq85S2xMOjYUY5i= 0g) * Lift ban on Request-Tag options without Block1 (as they can legitimately be generated by an unaware proxy) (from processing an open point in Francesca's review) * Suggest concrete numbers for the options (from implementations needing them) I believe this addresses the issues that were raised during the WGLC as well as two points stemming from an implementation of the Echo application for OSCORE sequence number recovery. Kind regards Christian --=20 There's always a bigger fish. -- Qui-Gon Jinn --W/nzBZO5zC0uMSeA Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5mdxsACgkQOY0REtOk veGtURAAwQ+uUPqn/E5DaLzCWkLfbhq3Tf0Aeq8gKC8XEzvnEAPOjZQjJXgZ/Epz sMBXu+Rc+8tIJW8KMObbk7+M3jBIb80QnN1YP7MlMnan2EazS7VpwKeqowaF+2SU 7yrCrXBFS+Cg5nD+nABg7cCNQfNrJFq+1mEouV9tV9SEFbBoW8pEVgtTEtM7bEL8 thTumI085Cfu3UFl3oQ27+zPVQu5PoI5814oN4HTHB0WNWy0OxgwchH/7F3fEfPW 6bntnYXD9o65XM2eGTCyqdlqM+d8Wkbpg9cmLvQOvE2FFnKsD45IzlgNQYVgodIR 9uNgBHrsphOsJ46hJgwoNOaYLWel7Lmj2MiETUY9FsFAGyzej5McbXVQBz8OvQlN ddsPAbfHHPvdzpLRbvOMTqEd3jvk1oneoFn/5htVC7sTDo3bKzgeXIw76nHvmaw0 9oBx9eq1vsJcmYwbmnnobbC046wzUuErcx/GEJg2KNWUGbpOn+RvEwq1z5hePBnY +kmo/umxcrTwuJjLs7EUJ3UO59Vhb/Ve29eh5k0OeQI0hua8eI93hRy2e73MJTge SQYTlk/5ItDfPDAwslt92yr/KT97J2SO9vYoKB2lCL7yfY5ANFJO1eEl71vf9fN0 cIVhK3oX4lP49MgsmUBGQwbg9+XQFIFtjJwbJCENkV7tHdqm4ao= =RY2h -----END PGP SIGNATURE----- --W/nzBZO5zC0uMSeA-- From nobody Mon Mar 9 11:52:05 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6021F3A0E06; Mon, 9 Mar 2020 11:51:54 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158377991432.5507.14512687314723001113@ietfa.amsl.com> Date: Mon, 09 Mar 2020 11:51:54 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-href-03.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 18:51:55 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : Constrained Resource Identifiers Author : Klaus Hartke Filename : draft-ietf-core-href-03.txt Pages : 12 Date : 2020-03-09 Abstract: The Constrained Resource Identifier (CRI) is a complement to the Uniform Resource Identifier (URI) that serializes the URI components in Concise Binary Object Representation (CBOR) instead of a sequence of characters. This simplifies parsing, comparison and reference resolution in environments with severe limitations on processing power, code size, and memory size. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-href/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-href-03 https://datatracker.ietf.org/doc/html/draft-ietf-core-href-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-href-03 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 11:53:43 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 130783A17A2; Mon, 9 Mar 2020 11:53:36 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158378001600.5503.1622959723425319649@ietfa.amsl.com> Date: Mon, 09 Mar 2020 11:53:36 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-coral-03.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 18:53:42 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : The Constrained RESTful Application Language (CoRAL) Author : Klaus Hartke Filename : draft-ietf-core-coral-03.txt Pages : 40 Date : 2020-03-09 Abstract: The Constrained RESTful Application Language (CoRAL) defines a data model and interaction model as well as two specialized serialization formats for the description of typed connections between resources on the Web ("links"), possible operations on such resources ("forms"), and simple resource metadata. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-coral/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-coral-03 https://datatracker.ietf.org/doc/html/draft-ietf-core-coral-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-coral-03 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 12:06:10 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id C52C43A1588; Mon, 9 Mar 2020 12:06:04 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158378076472.5659.15177809811245722149@ietfa.amsl.com> Date: Mon, 09 Mar 2020 12:06:04 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-oscore-groupcomm-07.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 19:06:05 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : Group OSCORE - Secure Group Communication for CoAP Authors : Marco Tiloca Goeran Selander Francesca Palombini Jiye Park Filename : draft-ietf-core-oscore-groupcomm-07.txt Pages : 60 Date : 2020-03-09 Abstract: This document defines Group Object Security for Constrained RESTful Environments (Group OSCORE), providing end-to-end security of CoAP messages exchanged between members of a group, e.g. using IP multicast. In particular, the described approach defines how OSCORE should be used in a group communication setting to provide source authentication for CoAP group requests, sent by a client to multiple servers, and the corresponding CoAP responses. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-oscore-groupcomm/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-oscore-groupcomm-07 https://datatracker.ietf.org/doc/html/draft-ietf-core-oscore-groupcomm-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-oscore-groupcomm-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 12:39:52 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 877A83A15C9; Mon, 9 Mar 2020 12:39:50 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158378279047.5541.14166995916361970780@ietfa.amsl.com> Date: Mon, 09 Mar 2020 12:39:50 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-resource-directory-24.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 19:39:51 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : CoRE Resource Directory Authors : Zach Shelby Michael Koster Carsten Bormann Peter van der Stok Christian Amsüss Filename : draft-ietf-core-resource-directory-24.txt Pages : 79 Date : 2020-03-09 Abstract: In many IoT applications, direct discovery of resources is not practical due to sleeping nodes, disperse networks, or networks where multicast traffic is inefficient. These problems can be solved by employing an entity called a Resource Directory (RD), which contains information about resources held on other servers, allowing lookups to be performed for those resources. The input to an RD is composed of links and the output is composed of links constructed from the information stored in the RD. This document specifies the web interfaces that a Resource Directory supports for web servers to discover the RD and to register, maintain, lookup and remove information on resources. Furthermore, new target attributes useful in conjunction with an RD are defined. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-resource-directory/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-resource-directory-24 https://datatracker.ietf.org/doc/html/draft-ietf-core-resource-directory-24 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-resource-directory-24 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 12:50:17 2020 Return-Path: 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 3331A3A1636 for ; Mon, 9 Mar 2020 12:50:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.623 X-Spam-Level: X-Spam-Status: No, score=-1.623 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.274, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no 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 nLSjokx9GirA for ; Mon, 9 Mar 2020 12:50:08 -0700 (PDT) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0BE623A1620 for ; Mon, 9 Mar 2020 12:50:07 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id F1E4D40028 for ; Mon, 9 Mar 2020 20:50:04 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bf]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id A985EDB for ; Mon, 9 Mar 2020 20:50:00 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:10ba:fe54:b668:bae1]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 3947017B for ; Mon, 9 Mar 2020 20:50:00 +0100 (CET) Received: (nullmailer pid 1444143 invoked by uid 1000); Mon, 09 Mar 2020 19:48:34 -0000 Date: Mon, 9 Mar 2020 20:48:34 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org Message-ID: <20200309194834.GA1443802@hephaistos.amsuess.com> References: <158378279047.5541.14166995916361970780@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="OgqxwSJOaUobr8KG" Content-Disposition: inline In-Reply-To: <158378279047.5541.14166995916361970780@ietfa.amsl.com> Archived-At: Subject: Re: [core] I-D Action: draft-ietf-core-resource-directory-24.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 19:50:16 -0000 --OgqxwSJOaUobr8KG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello CoRE, On Mon, Mar 09, 2020 at 12:39:50PM -0700, internet-drafts@ietf.org wrote: > A New Internet-Draft is available from the on-line Internet-Drafts direct= ories. > This draft is a work item of the Constrained RESTful Environments WG of t= he IETF. >=20 > Title : CoRE Resource Directory > Filename : draft-ietf-core-resource-directory-24.txt >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-core-resource-directory/ this version addresses comments that came up during AD evaluation, in particular during the meeting at IETF106: * Discovery using DNS-SD added again As discussed in Singapore, instead of forward-referencing the slower moving RD-DNS-SD (or not saying anything about DNS-SD at all), this explicitly states the minimal necessary about RD discovery using DNS-SD for the relevant protocols. It defines _core-rd._udp, _core-rd-dtls._udp, _core-rd._tcp and _core-rd-tls._tcp, and states that this gives sufficient information to start URI discovery. * Minimum lifetime (lt) reduced from 60 to 1 This came from implementor feedback; the arbitrary limit required them to introduce workarounds just for the sake of testing, without a good reason why exactly 60s should be a limit on protocol level. * References added * IANA considerations - added about .well-known/core resource as Simple Registration has always used a behavior extension to that resource that can only be done once - added DNS-SD service names - made RDAO option number a suggestion - added "reference" field to endpoint type registry * Lookup: mention that anchor is a legitimate lookup attribute because while following from the text in a strict sense, that possibility was missed by users * Terminology and example fixes * Layout fixes, esp. the use of non-ASCII characters in figures To the best of my knowledge, this addresses all the issues and open points that were brought up during the latest round of reviewing. Kind regards Christian --=20 This may seem a bit weird, but that's okay, because it is weird. -- perldata(1) about perl variables --OgqxwSJOaUobr8KG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5mnY4ACgkQOY0REtOk veFAsQ/+JqnZdmCPp9jOSlhjQdkh5fWfyq9MLFIH8nDM62VLP6XV6NimQkR8EpsN RdPICC4WdBWq7lgI5APg8TszQYIcKGCjsL03zyIsbv8+5X1Q0HWw5OiArez8rs1l ngbj8ZOziTLX88Y9zHt2PrcKPHMWhXizO2emazg3lAiZ3ZHuxcXRr7FV1CoYhN/h QvlhnwmbB2I5PpLa6CTCowPEApa4vafOA6ed050dHLc6dMdS4PgfeC0rY1wmDCSr A9gCT4512e07w0cEiKFjQAbRuT/dKoxYYuiF36scziNtrHjFmeTx7P7mbn+a4WDM Rq1qIx50uk9ltrXfvYdKWRhxgTXR4rQXeuS4PbUKZBZVqwkGnQRSgBlI4nUj39yw j+XR586NaBZOxB82P0SKwh2vLf+tlPkKrHXOry83hWr1zjY6/CWx+/z12sXooMQy yVACFtGLFz5Mrm/h6eSPPbIreQtbNV+j0OMu3Cc9F4308FkBBzvD0vN8le8A4kgb jkFwx7fBRrv3/bSK1LlOyHPrGWzakZ7CykcTQChDyeFWHHlhogYyf/sSun20ElFW P9RGzbbhJiz9cJjN6efCQxd1TN9oos0mQwIoNU0d3XG4jnhkh34S02Rxm4y0tz+e y6LfQCBZ9JgjaGMiH4la3rejdj+8gwN5iIWwX5ngafZpGo+EfNA= =BkTM -----END PGP SIGNATURE----- --OgqxwSJOaUobr8KG-- From nobody Mon Mar 9 13:12:21 2020 Return-Path: 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 5C41A3A16CB for ; Mon, 9 Mar 2020 13:12:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 dxjWTG6Ntt4m for ; Mon, 9 Mar 2020 13:12:09 -0700 (PDT) Received: from prometheus.amsuess.com (prometheus.amsuess.com [5.9.147.112]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D80E23A16B9 for ; Mon, 9 Mar 2020 13:12:08 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bd]) by prometheus.amsuess.com (Postfix) with ESMTPS id 43A9A40028 for ; Mon, 9 Mar 2020 21:12:06 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 7AF98DB for ; Mon, 9 Mar 2020 21:12:05 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:10ba:fe54:b668:bae1]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 4D1CE17B for ; Mon, 9 Mar 2020 21:12:05 +0100 (CET) Received: (nullmailer pid 1445443 invoked by uid 1000); Mon, 09 Mar 2020 20:10:39 -0000 Date: Mon, 9 Mar 2020 21:10:39 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org Message-ID: <20200309201039.GB1443802@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jho1yZJdad60DJr+" Content-Disposition: inline Archived-At: Subject: [core] Experimental CoAP transport over GATT X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 20:12:19 -0000 --jho1yZJdad60DJr+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello CoRE, I've sketched up some text[1] and a demo implementation[2] of an experimental transport of CoAP over Bluetooth Low Energy GATT. Its main use case is to allow applications that run in a smart phone's web browser to get a transport into a local mesh network (be it 6LoWPAN or Bluetooth IPSP aka 6lo-over-BLE) without the round-trip of going WiFi-router-borderrouter or cellular-cloud-borderrouter. It's not something that should ever be run between two devices that are in full control over themselves -- that's what real networks are for. But like CoAP-over-WebSockets, it allows a privilege-constrained application (web app in both cases) to contact a CoAP server that goes out of its way to cater for the captive application. The text is an early draft, and I expect lots to change there, but hey it works, and I'd like to explore where this can be used and who else might be interested in it. It has been suggested to go for independent submission as an experimental document with this, but either way I'd appreciate feedback from this WG, especially on * Do you have applications where you'd use something like this? * Is the URI design in there something we want for non-IP-based CoAP transports? * Might another place be more suitable to ask these questions? Kind regards Christian [1]: https://datatracker.ietf.org/doc/draft-amsuess-core-coap-over-gatt/ [2]: https://gitlab.com/chrysn/coap-gatt-demo --=20 I shouldn't have written all those tank programs. -- Kevin Flynn --jho1yZJdad60DJr+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5morwACgkQOY0REtOk veFaEQ/8CCqqOuLggmQMB/J7ZIsFC9g3YtUtlYak3+mOy/vfF0YFY+FTE1A7+2x+ ncMHzkEkbGzEwd4WTAKVjm+CXpV58GrV6SMBwqUQFs7sr475ZAUNfko4vXLq461l GyI0eRHi3rmlm6rmOM760/jiM+nX36ARatGemrrf1U8L9WvGQ9ApcBhQxBysfnq1 nHP/arrJsrIC6CmVVpAlS1LLXzeRdOjunrJtwHEk0i4nXbM8xEEDzZbFG4xNMcPq GeHUczniHUDwRZGlPzcwQ0nkhJY06Ltjc8X+eadDiZl1gp8/vqO5SrGclwsByHbl YpUA4eka7Z4X3kq45KhbYiGsQJCs/zu6r7lolN0xFHtq9M0lx0CHSPoMdSgY2Fet BOBWSgoNXxfTkMP4TyNwlyPpnBrwsq1EKBrX4L6liGIsZpiHW+QrZqT71XL9Ex4L j67rHnqgrG4yUGsSsdNckmYrSS+3N/eg09G68S+m4dh1MfRkzMiMkjhGoOMTLglO 53qrQyHbnQjgaVfM3Wd75qirhA6NLF96bp2/2ZJPMZkRbMSRPkaaR4IXvobmWix0 prj311mRLD0TeeLjNisXDOLcp9MuDOtOdbxJVrSbv8AagTLV+22Dq9vx3JWGepfR BDV5L2zIqDtQ0fSHO6orbQFEidn2a21mXxtS5qyTSrk+ofBaTDw= =xfvy -----END PGP SIGNATURE----- --jho1yZJdad60DJr+-- From nobody Mon Mar 9 13:17:58 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id B42793A1686; Mon, 9 Mar 2020 13:17:53 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158378507366.5627.8899397619064834632@ietfa.amsl.com> Date: Mon, 09 Mar 2020 13:17:53 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-senml-etch-07.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 20:17:54 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : FETCH & PATCH with Sensor Measurement Lists (SenML) Authors : Ari Keranen Mojan Mohajer Filename : draft-ietf-core-senml-etch-07.txt Pages : 11 Date : 2020-03-09 Abstract: The Sensor Measurement Lists (SenML) media type and data model can be used to send collections of resources, such as batches of sensor data or configuration parameters. The CoAP FETCH, PATCH, and iPATCH methods enable accessing and updating parts of a resource or multiple resources with one request. This document defines new media types for the CoAP FETCH, PATCH, and iPATCH methods for resources represented with the SenML data model. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-senml-etch/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-senml-etch-07 https://datatracker.ietf.org/doc/html/draft-ietf-core-senml-etch-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-senml-etch-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 9 13:25:10 2020 Return-Path: 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 B87703A16D2 for ; Mon, 9 Mar 2020 13:25:01 -0700 (PDT) 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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 8rk-R1B3Ang3 for ; Mon, 9 Mar 2020 13:24:59 -0700 (PDT) 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FMTAhpFcPZ/MNpqs5Am82oVANjXPr6p++o3azNhWXNkx+KdQFzlyFYWr5m04zp6TteYRAAAAAAAA --Apple-Mail-D5208674-46C4-430C-9B70-919A6D1C43E7-- From nobody Mon Mar 9 16:19:39 2020 Return-Path: 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 786723A092E for ; Mon, 9 Mar 2020 16:19:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 mQrLIsyfEDQ9 for ; Mon, 9 Mar 2020 16:19:35 -0700 (PDT) Received: from tuna.sandelman.ca (tuna.sandelman.ca [209.87.249.19]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E2D953A0920 for ; Mon, 9 Mar 2020 16:19:34 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [209.87.249.21]) by tuna.sandelman.ca (Postfix) with ESMTP id 978563818F; Mon, 9 Mar 2020 19:18:22 -0400 (EDT) Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id EE0759F9; Mon, 9 Mar 2020 19:19:33 -0400 (EDT) From: Michael Richardson To: Carsten Bormann cc: "core\@ietf.org" In-Reply-To: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> X-Mailer: MH-E 8.6; nmh 1.7+dev; GNU Emacs 25.1.1 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2020 23:19:38 -0000 --=-=-= Content-Type: text/plain Carsten Bormann wrote: > Thomas is right, it's 10 years now (or will be later today: > Subject: WG Action: Constrained RESTful Environments (core) > Date: Tue, 9 Mar 2010 11:00:02 -0800 (PST) okay, so 10 years since the first email, but 10 years since the first beer: > http://tools.ietf.org/html/draft-bormann-6lowpan-6lowapp-problem-00 is > one of the very early documents from 2009. We held a rather memorable > "Bar BOF" at IETF75 in Stockholm (not at a bar, but with actual beer! > -- thanks to Zach Shelby and his company) crammed in before the > social, see suggests that you should be celebrating in Madrid. > Those who have worked with me a bit longer may know that I have this > idiosyncrasy: I'm trying not to do the same thing in the same way for > more than ten years. That is not a hard and fast rule, but it has > generally served me well. > So I'm stepping down as a CoRE WG chair today. Thank you for this! -- Michael Richardson , Sandelman Software Works -= IPv6 IoT consulting =- --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbsyLEzg/qUTA43uogItw+93Q3WUFAl5mzwUACgkQgItw+93Q 3WXlgAf9E3SLWGr/vpEV9jwnPbnP3eJDZePjpV2VQS3QP0XB9FinGpZU8yVxxxgC hmLOyLPsUZVbryhB0qZqoUszd3OxO4QUHlOqE5w/glDvtHwHTQbENWGBt6OrQkiW SGbDEBit5MMdGgxoWls9I5MQoSzrnD/7/SZ25dRnuuLVgOd5Gb6POCrfFtMQOBIl qtX/W/JM6sL5L0Hm+/WqZCSZ21JmyzfwrUvc1kzrJ5V1OR+ZxXgWOuuyQhmVKAAt pF8hpNU8x79RU2ATXtoqapoLp+4maWA0kZi75x83TTjm4or4GsQ+82L1++82YPQz eE4SCtsHVuVla9u1tX+rNQhEX6Y03A== =cBIb -----END PGP SIGNATURE----- --=-=-=-- From nobody Tue Mar 10 03:00:59 2020 Return-Path: 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 356EF3A0FAE for ; Tue, 10 Mar 2020 03:00:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.818 X-Spam-Level: X-Spam-Status: No, score=-1.818 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=messagingengine.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 QKUI509K9E6V for ; Tue, 10 Mar 2020 03:00:55 -0700 (PDT) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 58BB03A0FAA for ; Tue, 10 Mar 2020 03:00:54 -0700 (PDT) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id BA61A21C0F; Tue, 10 Mar 2020 06:00:53 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute7.internal (MEProxy); Tue, 10 Mar 2020 06:00:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=di0jT+ Ugx3Xc3Fw5Pyn9MGiQ4+20IBEulLA2DfslJtU=; b=fxM430abVMO0bjML9KAkDy +YVDosojxm1hjjJ4urPjhISScjy+bU2DfsjchXLWqcOeNWrBEya3T4rU5qowjIet BoDYk6YQDKCW16HMVW6/+kECI3HAj0xT447CQcQLx8P5ofv/h+qWz1xZjOzZ71d+ gA+IuaS5gVlbjm38ibT33Txp5kdNeTUPqYdhjPYxCg9xCXRujPjlzOayq6YS96IZ WBRRCdsJBooftoTXqeu7BdJ/KhOjs80jyeJ3HwASassxUkieMK3NJFtXNyTxr+3r CCpBV/GxRv40Y0e7WNxdMLzSIHQeultEJN92+mMVF5kKSJDY5XCXMPknwficg8HA == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedruddvtddguddtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeflrghimhgv ucflihhmrohnvgiiuceojhgrihhmvgesihhkihdrfhhiqeenucfkphepkeejrddutddtrd duieegrdefkeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhr ohhmpehjrghimhgvsehikhhirdhfih X-ME-Proxy: Received: from EMB-918HFH01 (87-100-164-38.bb.dnainternet.fi [87.100.164.38]) by mail.messagingengine.com (Postfix) with ESMTPA id CA95C328006C; Tue, 10 Mar 2020 06:00:51 -0400 (EDT) Date: Tue, 10 Mar 2020 12:00:50 +0200 From: =?utf-8?Q?Jaime=20Jim=C3=A9nez?= To: Carsten Bormann Cc: "core@ietf.org" Message-ID: <20200310100050.nipzu7wtgdnxlsvp@EMB-918HFH01> References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 10:00:57 -0000 > I wonder if there is a way we can have a face-to-face celebration > soon, so I'll resort to supplying some background here on the list. I hope we can have a proper f2f celebration in Madrid. From nobody Tue Mar 10 03:34:13 2020 Return-Path: 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 161883A1011 for ; Tue, 10 Mar 2020 03:34:11 -0700 (PDT) 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, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=bbhmail.nl 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 tu_NiISi-nE7 for ; Tue, 10 Mar 2020 03:34:09 -0700 (PDT) Received: from smtprelay.hostedemail.com (smtprelay0111.hostedemail.com [216.40.44.111]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4A5B43A100E for ; Tue, 10 Mar 2020 03:34:08 -0700 (PDT) Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay04.hostedemail.com (Postfix) with ESMTP id E84E718021E24; Tue, 10 Mar 2020 10:34:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bbhmail.nl; h= mime-version:content-type:date:from:to:cc:subject:reply-to :in-reply-to:references:message-id; s=key; bh=xbMK6LYBLz2iqmPqR6 gBD8bPIC/e3tDumlZyyj6XRJM=; b=uLyiqzj4r97FtIhmAysQ4yjIiE/856ic6P Med2P6j8WftWVCsnY1KaD3xSXglyik/zAUtCTYQrrQmgRIbQAyqcb7yEQq4EmOWd rL0jrKPjZPS8We50HgJmJ6e8o85NCrgOnY1SnJ1BXZUcNtiIq1/6XT1cTMrk+xh1 KBJ/i+t6k= X-Session-Marker: 73746F6B636F6E73406262686D61696C2E6E6C X-Spam-Summary: 2, -10, 0, , d41d8cd98f00b204, stokcons@bbhmail.nl, , RULES_HIT:41:72:152:355:379:582:599:800:962:967:973:975:983:988:989:1152:1189:1208:1212:1221:1260:1313:1314:1345:1359:1431:1436:1437:1516:1517:1518:1534:1541:1575:1588:1589:1592:1594:1711:1714:1730:1776:1792:2068:2069:2198:2199:2525:2561:2564:2682:2685:2741:2859:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3351:3622:3865:3866:3867:3868:3870:3871:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:4362:4860:5007:6248:6261:6657:6659:6678:7903:8603:9010:9025:9036:9177:10004:10215:10400:10450:10455:10848:11232:11658:11914:12043:12291:12379:12438:12683:12740:12895:13071:13139:13157:13228:13846:14095:14096:14180:14181:14721:14722:19904:19999:21060:21080:21433:21451:21627:21790:21881:21939:30054:30060:30091, 0, RBL:none, CacheIP:none, Bayesian:0.5, 0.5, 0.5, Netcheck:none, DomainCache:0, MSF:not bulk, SPF:, MSBL:0, DNSBL:none, Custom_rules:0:0:0, LFtime:1, LUA_SUMMARY:none X-HE-Tag: ray33_4123dabc8cb62 X-Filterd-Recvd-Size: 3546 Received: from mail.bbhmail.nl (imap-ext [216.40.42.5]) (Authenticated sender: webmail@stokcons@bbhmail.nl) by omf03.hostedemail.com (Postfix) with ESMTPA; Tue, 10 Mar 2020 10:34:07 +0000 (UTC) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_71277fb2821636a2b77524415ba639d1" Date: Tue, 10 Mar 2020 11:34:07 +0100 From: Peter van der Stok To: =?UTF-8?Q?Jaime_Jim=C3=A9nez?= Cc: Carsten Bormann , core@ietf.org Reply-To: consultancy@vanderstok.org In-Reply-To: <20200310100050.nipzu7wtgdnxlsvp@EMB-918HFH01> References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> <20200310100050.nipzu7wtgdnxlsvp@EMB-918HFH01> User-Agent: Roundcube Webmail/1.4-rc2 Message-ID: <6df7d0a2bb930a225c274cd2b38714c4@bbhmail.nl> X-Sender: stokcons@bbhmail.nl Organization: vanderstok consultancy X-Originating-IP: [5.206.216.229] Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 10:34:11 -0000 --=_71277fb2821636a2b77524415ba639d1 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8; format=flowed HI wg chairs, In my view, the lowpan start by Zach and Carsten has considerably changed the landscape of using Internet for constrained resource applications. From complete incredulity, we now see quite some interest from the industry. Thanks Carsten (and Zach) for their lead. For me, a F2F celebration in Madrid is quite attractive. Peter Jaime Jiménez schreef op 2020-03-10 11:00: >> I wonder if there is a way we can have a face-to-face celebration >> soon, so I'll resort to supplying some background here on the list. > > I hope we can have a proper f2f celebration in Madrid. > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core --=_71277fb2821636a2b77524415ba639d1 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8 HI wg chairs,

In my view, the lowpan start by Zach and Carsten h= as considerably changed the landscape of using Internet for constrained res= ource applications. From complete incredulity, we now see quite some intere= st from the industry.

Thanks Carsten (and Zach) for their lead= =2E

For me, a F2F celebration in Madrid is quite attractive.

Peter

Jaime Jiménez schreef op 2020-03-10 11:00:

I wonder if there is a way we can have a face-to-face = celebration
soon, so I'll resort to supplying some background here on = the list.

I hope we can have a proper f2f celebration in Madrid.

__= _____________________________________________
core mailing list
<= a href=3D"mailto:core@ietf.org">core@ietf.org
https://www.ietf.org/mailman/listinfo/core
--=_71277fb2821636a2b77524415ba639d1-- From nobody Tue Mar 10 04:55:33 2020 Return-Path: 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 E3A013A1186 for ; Tue, 10 Mar 2020 04:55:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no 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 RMNWU9yjpvPw for ; Tue, 10 Mar 2020 04:55:30 -0700 (PDT) Received: from violet.upc.es (violet.upc.es [147.83.2.51]) (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 0FC5B3A1183 for ; Tue, 10 Mar 2020 04:55:29 -0700 (PDT) Received: from entelserver.upc.edu (entelserver.upc.es [147.83.39.4]) by violet.upc.es (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id 02ABtRUR033679; Tue, 10 Mar 2020 12:55:27 +0100 Received: from webmail.entel.upc.edu (webmail.entel.upc.edu [147.83.39.6]) by entelserver.upc.edu (Postfix) with ESMTP id 51D741D53C1; Tue, 10 Mar 2020 12:55:26 +0100 (CET) Received: from 10.192.137.220 by webmail.entel.upc.edu with HTTP; Tue, 10 Mar 2020 12:55:27 +0100 Message-ID: <86187d20f4a3c10bc20cdeaac9caa33b.squirrel@webmail.entel.upc.edu> In-Reply-To: <6df7d0a2bb930a225c274cd2b38714c4@bbhmail.nl> References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> <20200310100050.nipzu7wtgdnxlsvp@EMB-918HFH01> <6df7d0a2bb930a225c274cd2b38714c4@bbhmail.nl> Date: Tue, 10 Mar 2020 12:55:27 +0100 From: "Carles Gomez Montenegro" To: consultancy@vanderstok.org Cc: =?iso-8859-1?Q?=22Jaime_Jim=C3=A9nez=22?= , core@ietf.org User-Agent: SquirrelMail/1.4.21-1.fc14 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-Virus-Scanned: clamav-milter 0.100.3 at violet X-Virus-Status: Clean X-Greylist: ACL matched, not delayed by milter-greylist-4.3.9 (violet.upc.es [147.83.2.51]); Tue, 10 Mar 2020 12:55:27 +0100 (CET) Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 11:55:32 -0000 +1 Carles > HI wg chairs, > > In my view, the lowpan start by Zach and Carsten has considerably > changed the landscape of using Internet for constrained resource > applications. From complete incredulity, we now see quite some interest > from the industry. > > Thanks Carsten (and Zach) for their lead. > > For me, a F2F celebration in Madrid is quite attractive. > > Peter > Jaime Jiménez schreef op 2020-03-10 11:00: > >>> I wonder if there is a way we can have a face-to-face celebration >>> soon, so I'll resort to supplying some background here on the list. >> >> I hope we can have a proper f2f celebration in Madrid. 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Tue, 10 Mar 2020 12:56:38 +0000 To: =?UTF-8?Q?Jaime_Jim=c3=a9nez?= Cc: "core@ietf.org" References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> <20200310100050.nipzu7wtgdnxlsvp@EMB-918HFH01> From: Marco Tiloca Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: Date: Tue, 10 Mar 2020 13:56:31 +0100 User-Agent: Mozilla/5.0 (X11; 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SFS:(10009020)(4636009)(136003)(396003)(376002)(366004)(39860400002)(346002)(189003)(199004)(4326008)(6666004)(86362001)(81166006)(81156014)(8936002)(478600001)(5660300002)(186003)(26005)(6916009)(21480400003)(31696002)(52116002)(16576012)(16526019)(33964004)(44832011)(316002)(235185007)(53546011)(36756003)(966005)(66476007)(2616005)(8676002)(956004)(66946007)(2906002)(31686004)(66556008)(6486002); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1P189MB0349; H:VI1P189MB0398.EURP189.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; Received-SPF: None (protection.outlook.com: ri.se does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: 7TApCCEfAfarXE0/dQlfGpaTD+MA3ILAFSguV5Gsxzn0KkiHP5B09yyR0zKtdWC2+VYjOYK3xtLpE3gAeRMpmN7FyOKt/lkGCbjmaOgRxhYAV6gLVuZ7L7zDW5SGufP9P4EIeEHHu+/vrsge7bJXAg== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: d1830bab-0b7a-411d-e14c-08d7c4f27862 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2020 12:56:37.9868 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: InzSRCgRqU9RJNnRgrQoV3W6pucJjV/QXZhUtHHVFQtDCeCNtdRcissk1cB0HWaDVLUbA5YOwCT1VScr7ktlSw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0349 Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 12:56:43 -0000 --sjmI0mcdBb6vmEROOiCodZgbBeBzchNYu Content-Type: multipart/mixed; boundary="owzYCSWafGgoxpalm6WkSx4u1R1oVaWNV" --owzYCSWafGgoxpalm6WkSx4u1R1oVaWNV Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Definitely +1 /Marco On 2020-03-10 11:00, Jaime Jim=C3=A9nez wrote: >> I wonder if there is a way we can have a face-to-face celebration >> soon, so I'll resort to supplying some background here on the list. > I hope we can have a proper f2f celebration in Madrid.=20 > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --owzYCSWafGgoxpalm6WkSx4u1R1oVaWNV-- --sjmI0mcdBb6vmEROOiCodZgbBeBzchNYu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl5njn8ACgkQ7iZktA5Y 2kM3RAf/Y/tAzSp9SfXSmiAhT9HniCAg63cJkBOAPYGTkzm88pDKyg5CbRyVUxiE NYLl8QuLOTY+YChrFmhQE5JNErVeoicsNgj9HU62rWO3kgk1kZfsKdz9kC25PEnM rWyk83mSV2zqCoHfQNRSG07jDcmIZTfKwxFx6rO8DeN5dqes8yBKfWbnV8HvOtUS CxUT+G05m8ZYojMeRC2B8oinWEmOmzGwnH37poXzpzvQuIBZ3k7OZURF9uRBzaT6 Lxgrwh4Kj6PXRW2jQdHfhaWe1fBXuuuKcYJx4gN98dKbiRlLu1JFiy6DW3YcPcBL veyBJnZ1+r3iEOIp9LVfIQOUnsXoZw== =oJGr -----END PGP SIGNATURE----- --sjmI0mcdBb6vmEROOiCodZgbBeBzchNYu-- From nobody Tue Mar 10 06:10:34 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A0DCA3A12B2; Tue, 10 Mar 2020 06:10:29 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk CC: jaime.jimenez@ericsson.com, alexey.melnikov@isode.com, core-chairs@ietf.org, core@ietf.org, jaime@iki.fi, draft-ietf-core-resource-directory@ietf.org Reply-To: last-call@ietf.org Sender: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <158384582963.16369.17666165277143968468@ietfa.amsl.com> Date: Tue, 10 Mar 2020 06:10:29 -0700 Archived-At: Subject: [core] Last Call: (CoRE Resource Directory) to Proposed Standard X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 13:10:30 -0000 The IESG has received a request from the Constrained RESTful Environments WG (core) to consider the following document: - 'CoRE Resource Directory' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the last-call@ietf.org mailing lists by 2020-03-31. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract In many IoT applications, direct discovery of resources is not practical due to sleeping nodes, disperse networks, or networks where multicast traffic is inefficient. These problems can be solved by employing an entity called a Resource Directory (RD), which contains information about resources held on other servers, allowing lookups to be performed for those resources. The input to an RD is composed of links and the output is composed of links constructed from the information stored in the RD. This document specifies the web interfaces that a Resource Directory supports for web servers to discover the RD and to register, maintain, lookup and remove information on resources. Furthermore, new target attributes useful in conjunction with an RD are defined. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-core-resource-directory/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-core-resource-directory/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Tue Mar 10 09:53:31 2020 Return-Path: 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 2F7213A1698 for ; Tue, 10 Mar 2020 09:53:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no 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 JliktoI8zp6E for ; Tue, 10 Mar 2020 09:53:28 -0700 (PDT) Received: from prometheus.amsuess.com (prometheus.amsuess.com [5.9.147.112]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 72E693A1689 for ; Tue, 10 Mar 2020 09:53:27 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id E1B6940028; Tue, 10 Mar 2020 17:53:24 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 95D30DB; Tue, 10 Mar 2020 17:53:23 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:29c1:94b7:fce6:3020]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 57E5A148; Tue, 10 Mar 2020 17:53:23 +0100 (CET) Received: (nullmailer pid 234994 invoked by uid 1000); Tue, 10 Mar 2020 16:53:22 -0000 Date: Tue, 10 Mar 2020 17:53:22 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org, lwig@ietf.org Message-ID: <20200310165322.GA226328@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="IJpNTDwzlM2Ie8A6" Content-Disposition: inline Archived-At: Subject: [core] CoAP Implementation Guidance and IPV6_RECVERR X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 16:53:30 -0000 --IJpNTDwzlM2Ie8A6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello CoRE and LWIG, working on the portability of my aiocoap library I had trouble reusing the IPV6_RECVERR option recommended in draft-ietf-lwig-coap-06[1], and found that it does not seem to be portable at all; unlike the IPV6_RECVPKTINFO option recommended in the paragraph above, IPV6_RECVERR is only mentioned in the IETF scope in this document, and otherwise appears to be proprietary to Linux. Is that a known shortcoming? Are there any more portable mechanisms that can be recommended instead? Best regards Christian [1]: I see has expired -- is there interest in having this continued? It has been valuable so far --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --IJpNTDwzlM2Ie8A6 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5nxgAACgkQOY0REtOk veHLZA/+ICL1MUgTpbku0Un1HCnHPR9ZvxAf7Q/a7PHX1S0Qt3H7J3mOyMlP9dnY XWh2udLkODuLR73W4Vcf2o0kWegRAPVt9TBAf7s/i/d85HLsOAsqUIi+sDF9bEfx bO8bhK2ZRfXR1vdwca1GUDGSvpWrHC04EwVSRmOucxPnxFezAekbmTQF4s4u3Qyj zoAEY4a6d/QwFzf3S1Si0LGuj1XBzILrHsiVJ5UUqbHAm7SCt64vTQrS+bYg75kE Z4yPlEJRtUgRqvCreLFEj/KsPfvz47ubAUeiQvJp7fedKheoUq5DnXKB2JBuJO4a RB38ZCbtdGoghC31791bLdRSc/xvb8bHhxw1ZD09Cc3u7VkxJn5WKQa9wMzjzwdd xW5MJZYYRPkuIKwkzrM0EYDee5h2rnDiHWhu80aOX/YEuNWtIgVcn3i1ynL4luFF 3UnWF2UjfTHEss7FPayebsV8LkDTn5WTGxgx1uzUScvaxDBmWnXV9XS5+ANLBCBJ 8zTfmGcyMcuDWc56xzTwHgW4icJ+7qnWUMO82+5t2W75Dhe1iUyRfb6HTBzlDBGn d1NJ3KI4/N3Cgtnh7ur1IlnwNIJ+Jl6WUFbjoDNE+Trf4qAkLgLnlRQQDtGCutzy u6URKWPpIDCJVGy6toOcyFDrxT24WONxkqz5TSZFYyDRRHgrOvg= =j9jC -----END PGP SIGNATURE----- --IJpNTDwzlM2Ie8A6-- From nobody Tue Mar 10 09:55:12 2020 Return-Path: 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 0F86A3A16AB; Tue, 10 Mar 2020 09:55:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.624 X-Spam-Level: X-Spam-Status: No, score=-1.624 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.274, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=no autolearn_force=no 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 4YREq2QpIUWS; Tue, 10 Mar 2020 09:55:09 -0700 (PDT) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 73DC33A1695; Tue, 10 Mar 2020 09:55:08 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id 3138740028; Tue, 10 Mar 2020 17:55:05 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id C11BBDB; Tue, 10 Mar 2020 17:55:04 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:29c1:94b7:fce6:3020]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 93B36148; Tue, 10 Mar 2020 17:55:04 +0100 (CET) Received: (nullmailer pid 235074 invoked by uid 1000); Tue, 10 Mar 2020 16:55:04 -0000 Date: Tue, 10 Mar 2020 17:55:04 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: core@ietf.org, lwip@ietf.org Message-ID: <20200310165504.GA235006@hephaistos.amsuess.com> References: <20200310165322.GA226328@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="KsGdsel6WgEHnImy" Content-Disposition: inline In-Reply-To: <20200310165322.GA226328@hephaistos.amsuess.com> Archived-At: Subject: Re: [core] CoAP Implementation Guidance and IPV6_RECVERR X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 16:55:11 -0000 --KsGdsel6WgEHnImy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello CoRE and LWIG, (retransmitting as I missed the LWIG list name oddity, please reply to this to keep the thread intact) working on the portability of my aiocoap library I had trouble reusing the IPV6_RECVERR option recommended in draft-ietf-lwig-coap-06[1], and found that it does not seem to be portable at all; unlike the IPV6_RECVPKTINFO option recommended in the paragraph above, IPV6_RECVERR is only mentioned in the IETF scope in this document, and otherwise appears to be proprietary to Linux. Is that a known shortcoming? Are there any more portable mechanisms that can be recommended instead? Best regards Christian [1]: I see has expired -- is there interest in having this continued? It has been valuable so far --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --KsGdsel6WgEHnImy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5nxmgACgkQOY0REtOk veG58g//ULvU0POoFnkia6pHj+eB9AIOlRXcJ7iau1SdYGdiP6WKXPhqXebFGYFh gl4EEw/9AP1ajvxwkHy5ytgVKIb21Gp2V7pGVR2UQmBs/+SMebObGgiK62EqxOtu sYS+rExYdg0reaN8Dr5A7cBu+QtyTOVB/ye/JsJ9P6W5RAyNhFI3hCLy3Y7Sgpbo 8o0V3j3E+7rIGzXvHJIVHEgST2uY31V/K/2s1v2n54Lo0HPpIOTkQLK6nmSqQKCY DBOga6efp6SyZaEwSJu/YLIFP9GgHEHbQXSAibS33yF7Hz3Yh9dNyv1QbFqXWXla IyNucdJniEz5Aw4DCvvGyaG4CFfnxAOoOt3evzu/fRytss1UjtMBcxQKRhXUrgih RrQ20pyDbf5Wjkn/bewnA4meUQRtHtAy6kn/Mrk5XpDXjqnaY9Dbio5O4kzf47Nd CQzdEvNV2h1/HXOBi0vFsWqm/gwkLyfPDiGdYPoiYtg7a9OVdkQp9037UM0pCXm+ dtPn1SsCRSWQc5IwOrtDeQzP61nHOoRShvZAmMh7bkzMGF6F4o7tG1IFjRYVCj1+ o+pL+SvMIuWl5sCaktOQ3HL92HFLI1bwuIZGd/u06YLuf8afYC0EGrptYb1quF6C mV+M38wAtuBAWWUbMz0tNBpYNSB8V0hUO7Nbvb/C8CvX0n4kSLY= =BpFS -----END PGP SIGNATURE----- --KsGdsel6WgEHnImy-- From nobody Tue Mar 10 10:05:44 2020 Return-Path: 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 CE8FF3A1724 for ; Tue, 10 Mar 2020 10:05:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.888 X-Spam-Level: X-Spam-Status: No, score=-1.888 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=yumaworks-com.20150623.gappssmtp.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 oCJ3KIn3vWzo for ; Tue, 10 Mar 2020 10:05:41 -0700 (PDT) Received: from mail-yw1-xc2e.google.com (mail-yw1-xc2e.google.com [IPv6:2607:f8b0:4864:20::c2e]) (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 79A613A171D for ; Tue, 10 Mar 2020 10:05:41 -0700 (PDT) Received: by mail-yw1-xc2e.google.com with SMTP id i1so10074149ywf.4 for ; Tue, 10 Mar 2020 10:05:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yumaworks-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=tdNMpojlUPITH1Gwrm/UO4RVK+YwiNH+4yzxPu2qt1E=; b=aFufo46hcIZTOxuhn+PzSmJRQ1RG0ViDsQxRSAEG2ycZTNaN/1wIlIiGR0l116zDPt dFJbA4pkcDkyjmw7nBhm5JfSVMyLhheVkrDyp39QnCw693SV5753KBXcxS31nomqvMGm 4IyI6CfEr/nM7z3SmgOWp+AunPmytr4UNrA5Nage4bGJpoyVpHEfGJTxrEgyhjxTn9tH binwa1QMCm9HWkqr+dXEIu7eFsFjlEQxt1/spMBSaWxJghtqrXVnKJfetZow5pVzjoCL QaV/M3CRcPACI9CqravoajfproEZ3zuO5ZuJQSRrOQWa3I+4HkeNJkWv27+p3AaZMSs4 SRiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=tdNMpojlUPITH1Gwrm/UO4RVK+YwiNH+4yzxPu2qt1E=; b=djpBDMbEdqJKmPa0V/TXDv5MBPW9Kx4Pd/e8RR09JYhdDb5zrpId/gH4BjI96k4FrO v17HMMBHX7SPyo2cbs5bwiSLpqa89gLsyyYD8RLh9pJoeEGiV6ugsipAMc7oJIQp/3tR OJEePEO8XuLnzITNraWEeNva07d+UwK9eTacS4xmLLv3ZTqOWCDPa3ZGoaCxU9FknsJD DRpJhWCoxg4FjQ0VGYU7OMFHJZBNGqebC1Oemf0VtCpvBk0LToxmnQjYcFUQEE8Sqd7x vTsxdh+kMFPYfulDYU6Iw77zHPNyJQG63c1GEW5UkdnIKCpr+kiVWXUAB2842rRom8yu YyTw== X-Gm-Message-State: ANhLgQ0Knj2MRg/wuddrlsvkky8WoSVyOGe8GqRmbV8Ti5DHmmR54LzK V2mC/VugxpZPvaMFeC+YEiS35idz1tILviWfnv14hGTb X-Google-Smtp-Source: ADFU+vvnWpa1Zh5FS+MRih/K8uTpyjuJecGpm/FiQtoiIyzM6l4/YKlY0RGTKDO3+IsGTF1Pysptpqe9Z2vXNuEpFGw= X-Received: by 2002:a25:7c2:: with SMTP id 185mr24017950ybh.44.1583859940009; Tue, 10 Mar 2020 10:05:40 -0700 (PDT) MIME-Version: 1.0 From: Andy Bierman Date: Tue, 10 Mar 2020 10:05:29 -0700 Message-ID: To: Core Content-Type: multipart/alternative; boundary="00000000000019445f05a0832173" Archived-At: Subject: [core] draft-ietf-core-sid-11: YANG Issues X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 17:05:43 -0000 --00000000000019445f05a0832173 Content-Type: text/plain; charset="UTF-8" Hi, I think this draft is very close but the YANG module still needs some changes. The JSON example does not match the YANG rc:yang-data definition yet. There needs to be a JSON object for the top-level container so the JSON conforms to RFC 7951. rc:yang-data sid-file { uses sid-file; } grouping sid-file { container sid-file { // existing YANG objects inserted here } } JSON: { "ietf-sid-file:sid-file" : { // existing JSON objects inserted here } } Minor YANG Issues (suggestions) 1) move the object definitions to a grouping so they can be reused 2) name the container "sid-file" instead of "content" 3) change the order of the objects so the "header" fields will be first (module-name, module-revision, sid-file-version) 4) consider adding a "description" leaf to the header. JSON does not support comments or annotations, but this JSON file is really intended to be used by automation tools. IMO, JSON is not a very good choice as a source code document, but a description string can help a little. It can also contain extra metadata such as the SID file creation time. Andy --00000000000019445f05a0832173 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

I think this draft is very close bu= t the YANG module still needs some changes.
The JSON example does= not match the YANG rc:yang-data definition yet.
There needs to b= e a JSON object for the top-level container so the JSON
conforms = to RFC 7951.


rc:yang-data sid-file = {
=C2=A0 =C2=A0 =C2=A0 uses sid-file;
}

<= /div>
grouping sid-file {
=C2=A0 =C2=A0container sid-file {
=C2=A0 =C2=A0 =C2=A0 =C2=A0// existing YANG objects inserted here<= /div>
=C2=A0 =C2=A0}
}

JSON:

{=C2=A0 "ietf-sid-file:sid-file" : {
= =C2=A0 =C2=A0 =C2=A0 =C2=A0//=C2=A0 existing JSON objects inserted here
=C2=A0 =C2=A0 }
}


= Minor YANG Issues (suggestions)
1) move the object definitions to= a grouping so they can be reused
2) name the container "sid= -file" instead of "content"
3) change the order of= the objects so the "header" fields will be first
=C2= =A0 =C2=A0(module-name, module-revision, sid-file-version)
4) con= sider adding a "description" leaf to the header.=C2=A0 JSON does = not
=C2=A0 =C2=A0support comments or annotations, but this JSON f= ile is really intended
=C2=A0 =C2=A0to be used by automation tool= s.=C2=A0 IMO, JSON is not a very good choice
=C2=A0 =C2=A0as a so= urce=C2=A0code document, but a description string can help a little.=C2=A0<= /div>
=C2=A0 It can also contain extra metadata such as the SID file cr= eation time.


Andy

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boundary="2vjl0eMoHmfUKgHAKVJFaQqNQ2cxSmPON" --2vjl0eMoHmfUKgHAKVJFaQqNQ2cxSmPON Content-Type: multipart/alternative; boundary="------------7F03D73BE696D8B8332A8C80" Content-Language: en-US This is a multi-part message in MIME format. --------------7F03D73BE696D8B8332A8C80 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello CoRE, We have submitted an update for the draft "Observe Notifications as CoAP Multicast Responses". https://tools.ietf.org/html/draft-tiloca-core-observe-multicast-notificat= ions-02 The document describes how a CoAP server can send Observe notifications over multicast, and how Group OSCORE can be used to protect such notifications. The proposed approach is especially relevant for, but not limited to, the "Pub-Sub and Multicast" use case elaborated during the Hallway Discussion at IETF 104. This update especially includes: 1) encoding of the informative response and phantom request; 2) considerations on congestion control; 3) cancellation of group observation, supported by a rough counting of alive clients; 4) an appendix about alternative ways to retrieve a phantom request. Comments are welcome! Best, /Marco -------- Forwarded Message -------- Subject: New Version Notification for draft-tiloca-core-observe-multicast-notifications-02.txt Date: Mon, 09 Mar 2020 12:17:34 -0700 From: internet-drafts@ietf.org To: Christian Amsuess , Marco Tiloca , Rikard Hoeglund , Francesca Palombini A new version of I-D, draft-tiloca-core-observe-multicast-notifications-02.txt has been successfully submitted by Marco Tiloca and posted to the IETF repository. Name: draft-tiloca-core-observe-multicast-notifications Revision: 02 Title: Observe Notifications as CoAP Multicast Responses Document date: 2020-03-09 Group: Individual Submission Pages: 34 URL: https://www.ietf.org/internet-drafts/draft-tiloca-core-observe-multicast-= notifications-02.txt Status: https://datatracker.ietf.org/doc/draft-tiloca-core-observe-multicast-noti= fications/ Htmlized: https://tools.ietf.org/html/draft-tiloca-core-observe-multicast-notificat= ions-02 Htmlized: https://datatracker.ietf.org/doc/html/draft-tiloca-core-observe-multicast= -notifications Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-tiloca-core-observe-multicast-n= otifications-02 Abstract: The Constrained Application Protocol (CoAP) allows clients to "observe" resources at a server, and receive notifications as unicast responses upon changes of the resource state. In some use cases, such as based on publish-subscribe, it would be convenient for the server to send a single notification to all the clients observing a same target resource. This document defines how a CoAP server sends observe notifications as response messages over multicast, by synchronizing all the observers of a same resource on a same shared Token value. Besides, this document defines how Group OSCORE can be used to protect multicast notifications end-to-end from the CoAP server to the multiple observer clients. Please note that it may take a couple of minutes from the time of submiss= ion until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat --------------7F03D73BE696D8B8332A8C80 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello CoRE,

We have submitted an update for the draft "Observe Notifications as CoAP Multicast Responses".

https://tools.ietf.or= g/html/draft-tiloca-core-observe-multicast-notifications-02

The document describes how a CoAP server can send Observe notifications over multicast, and how Group OSCORE can be used to protect such notifications. The proposed approach is especially relevant for, but not limited to, the "Pub-Sub and Multicast" use case elaborated during the Hallway Discussion at IETF 104.

This update especially includes:

1) encoding of the informative response and phantom request;

2) considerations on congestion control;

3) cancellation of group observation, supported by a rough counting of alive clients;

4) an appendix about alternative ways to retrieve a phantom request.<= br>
Comments are welcome!

Best,
/Marco


-------- Forwarded Message --------
Sub= ject: New Version Notification for draft-tiloca-core-observe-multicast-notifications-02.txt
Dat= e: Mon, 09 Mar 2020 12:17:34 -0700
Fro= m: internet-drafts@ietf.org
To:= Christian Amsuess <christian@amsuess.com>, Marc= o Tiloca <marco.tiloca@ri.se>, Rikard Hoeglund <rikard.hoglund@ri.se>, Francesca Palombini <francesca.palombini@ericsson.com>



A new version of I-D, draft-tiloca-core-observe-multicast-notifications-02.txt
has been successfully submitted by Marco Tiloca and posted to the IETF repository.

Name: draft-tiloca-core-observe-multicast-notifications
Revision: 02
Title: Observe Notifications as CoAP Multicast Responses
Document date: 2020-03-09
Group: Individual Submission
Pages: 34
URL: https://= www.ietf.org/internet-drafts/draft-tiloca-core-observe-multicast-notifica= tions-02.txt
Status: https://datatracke= r.ietf.org/doc/draft-tiloca-core-observe-multicast-notifications/
= Htmlized: https://tools.ietf.or= g/html/draft-tiloca-core-observe-multicast-notifications-02
Htmlized: https://datatr= acker.ietf.org/doc/html/draft-tiloca-core-observe-multicast-notifications=
Diff: https://www.i= etf.org/rfcdiff?url2=3Ddraft-tiloca-core-observe-multicast-notifications-= 02

Abstract:
The Constrained Application Protocol (CoAP) allows clients to
"observe" resources at a server, and receive notifications as unicast
responses upon changes of the resource state. In some use cases, such as based on publish-subscribe, it would be convenient for the<= br> server to send a single notification to all the clients observing a
same target resource. This document defines how a CoAP server sends
observe notifications as response messages over multicast, by
synchronizing all the observers of a same resource on a same shared
Token value. Besides, this document defines how Group OSCORE can be
used to protect multicast notifications end-to-end from the CoAP server to the multiple observer clients.



Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat


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Tue, 10 Mar 2020 18:02:35 +0000 References: <158378136629.5587.1256937299061963089@ietfa.amsl.com> To: "core@ietf.org WG (core@ietf.org)" From: Marco Tiloca Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== X-Forwarded-Message-Id: <158378136629.5587.1256937299061963089@ietfa.amsl.com> Message-ID: <8bef1ddd-72e0-a2b4-ca29-9bcaf0383f4f@ri.se> Date: Tue, 10 Mar 2020 19:02:33 +0100 User-Agent: Mozilla/5.0 (X11; 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boundary="0icxRJQog6RECGppP6kYXFzJdkS8AU4V2" --0icxRJQog6RECGppP6kYXFzJdkS8AU4V2 Content-Type: multipart/alternative; boundary="------------A28095014348702EB2A5A18D" Content-Language: en-US This is a multi-part message in MIME format. --------------A28095014348702EB2A5A18D Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello CoRE, We have submitted an updated version of draft-tiloca-core-oscore-discover= y https://tools.ietf.org/html/draft-tiloca-core-oscore-discovery-05 The document describes how to use the CoRE Resource Directory for discovering OSCORE groups and retrieving information to join them through their Group Manager. This update is especially about: 1) Addressing the review at [1] from Jim (thanks!). 2) Registration of an additional link, to the ACE Authorization Server associated to the Group Manager. 3) Examples in CoRAL. Comments are welcome! Best, /Marco [1] https://mailarchive.ietf.org/arch/msg/core/FoNCVZtIRzYhv4Imx6e87ZoFk0= w/ -------- Forwarded Message -------- Subject: New Version Notification for draft-tiloca-core-oscore-discovery-05.txt Date: Mon, 09 Mar 2020 12:16:06 -0700 From: internet-drafts@ietf.org To: Christian Amsuess , Peter van der Stok , Marco Tiloca A new version of I-D, draft-tiloca-core-oscore-discovery-05.txt has been successfully submitted by Marco Tiloca and posted to the IETF repository. Name: draft-tiloca-core-oscore-discovery Revision: 05 Title: Discovery of OSCORE Groups with the CoRE Resource Directory Document date: 2020-03-09 Group: Individual Submission Pages: 26 URL: https://www.ietf.org/internet-drafts/draft-tiloca-core-oscore-discovery-0= 5.txt Status: https://datatracker.ietf.org/doc/draft-tiloca-core-oscore-discove= ry/ Htmlized: https://tools.ietf.org/html/draft-tiloca-core-oscore-discovery-= 05 Htmlized: https://datatracker.ietf.org/doc/html/draft-tiloca-core-oscore-discovery Diff: https://www.ietf.org/rfcdiff?url2=3Ddraft-tiloca-core-oscore-discovery-05= Abstract: Group communication over the Constrained Application Protocol (CoAP) can be secured by means of Group Object Security for Constrained RESTful Environments (Group OSCORE). At deployment time, devices may not know the exact OSCORE groups to join, the respective Group Manager, or other information required to perform the joining process. This document describes how a CoAP endpoint can use descriptions and links of resources registered at the CoRE Resource Directory to discover OSCORE groups and to acquire information for joining them through the respective Group Manager. A given OSCORE group may protect multiple application groups, which are separately announced in the Resource Directory as sets of endpoints sharing a pool of resources. This approach is consistent with, but not limited to, the joining of OSCORE groups based on the ACE framework for Authentication and Authorization in constrained environments. Please note that it may take a couple of minutes from the time of submiss= ion until the htmlized version and diff are available at tools.ietf.org. The IETF Secretariat --------------A28095014348702EB2A5A18D Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello CoRE,

We have submitted an updated version of draft-tiloca-core-oscore-discovery

https://tools.ietf.org/html/draf= t-tiloca-core-oscore-discovery-05

The document describes how to use the CoRE Resource Directory for discovering OSCORE groups and retrieving information to join them through their Group Manager.

This update is especially about:

1) Addressing the review at [1] from Jim (thanks!).

2) Registration of an additional link, to the ACE Authorization Server associated to the Group Manager.

3) Examples in CoRAL.


Comments are welcome!

Best,
/Marco

[1] https://mailarchive.ietf.o= rg/arch/msg/core/FoNCVZtIRzYhv4Imx6e87ZoFk0w/


-------- Forwarded Message --------
Sub= ject: New Version Notification for draft-tiloca-core-oscore-discovery-05.txt
Dat= e: Mon, 09 Mar 2020 12:16:06 -0700
Fro= m: internet-drafts@ietf.org
To:= Christian Amsuess <christian@amsuess.com>, Pete= r van der Stok <consultancy@vanderstok.org>, M= arco Tiloca <marco.tiloca@ri.se>



A new version of I-D, draft-tiloca-core-oscore-discovery-05.txt
= has been successfully submitted by Marco Tiloca and posted to the IETF repository.

Name: draft-tiloca-core-oscore-discovery
Revision: 05
Title: Discovery of OSCORE Groups with the CoRE Resource Directory<= br> Document date: 2020-03-09
Group: Individual Submission
Pages: 26
URL: https://www.ietf.org/in= ternet-drafts/draft-tiloca-core-oscore-discovery-05.txt
Status: https://datatracker.ietf.= org/doc/draft-tiloca-core-oscore-discovery/
Htmlized: https://tools.ietf.org/html/dr= aft-tiloca-core-oscore-discovery-05
Htmlized: https://datatracker.i= etf.org/doc/html/draft-tiloca-core-oscore-discovery
Diff: https://www.ietf.org/r= fcdiff?url2=3Ddraft-tiloca-core-oscore-discovery-05

Abstract:
Group communication over the Constrained Application Protocol (CoAP)
can be secured by means of Group Object Security for Constrained RESTful Environments (Group OSCORE). At deployment time, devices may
not know the exact OSCORE groups to join, the respective Group
Manager, or other information required to perform the joining
process. This document describes how a CoAP endpoint can use
descriptions and links of resources registered at the CoRE Resource
Directory to discover OSCORE groups and to acquire information for<= br> joining them through the respective Group Manager. A given OSCORE group may protect multiple application groups, which are separately
announced in the Resource Directory as sets of endpoints sharing a<= br> pool of resources. This approach is consistent with, but not limited
to, the joining of OSCORE groups based on the ACE framework for
= Authentication and Authorization in constrained environments.



Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat


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Tue, 10 Mar 2020 18:09:37 +0000 To: Jim Schaad References: <022101d59f70$9a9cf9b0$cfd6ed10$@augustcellars.com> Cc: 'Core WG mailing list' From: Marco Tiloca Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: Date: Tue, 10 Mar 2020 19:09:30 +0100 User-Agent: Mozilla/5.0 (X11; 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SFS:(10009020)(4636009)(396003)(136003)(346002)(376002)(39860400002)(366004)(199004)(189003)(16526019)(186003)(316002)(16576012)(33964004)(66476007)(2906002)(31686004)(53546011)(966005)(5660300002)(44832011)(26005)(956004)(66556008)(2616005)(52116002)(4001150100001)(478600001)(66574012)(6916009)(4326008)(235185007)(6486002)(8676002)(66946007)(8936002)(81156014)(81166006)(86362001)(31696002)(6666004)(21480400003)(36756003); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1P189MB0432; H:VI1P189MB0398.EURP189.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; Received-SPF: None (protection.outlook.com: ri.se does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: pnJyCZXQz/p2KwhI7Q8LEFlQxlUL7XmmEmqu5YQeF66biNQwSDy3GQYx7F4G/vkTc0lfaveiiP+9rGcqGJR02leRPHV0BIh+JAjZfyzBBwzu29S8Rlt8PusJ5LYZz/hoB8SO7SXT4MTidLZa30opbA== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: a16aa4e1-1569-466d-827a-08d7c51e31c0 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2020 18:09:37.2004 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: iUMEc+veRplh/ZU2sKq1fFAV3ochEh7xEaVnMcuy4141TBe6/sdtMVvyqyi2Hlh8UnS6u/UI8bY7pJYls8or6A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0432 Archived-At: Subject: Re: [core] FW: Review draft-tiloca-core-oscore-discovery-04 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Mar 2020 18:09:46 -0000 --HgSZ8lnVk9KIFkQOtEWWhngCfVUHvRzIP Content-Type: multipart/mixed; boundary="O8zrbMrIByKxaQOzEx2ihFxFGnpJgahhf" --O8zrbMrIByKxaQOzEx2ihFxFGnpJgahhf Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hi Jim, Thanks a lot for your review, also addressed in the latest submitted -05.= https://tools.ietf.org/html/draft-tiloca-core-oscore-discovery-05 Please, see some replies inline. Best, /Marco On 2019-11-20 08:03, Jim Schaad wrote: > Need to go here as well. > > -----Original Message----- > From: Jim Schaad =20 > Sent: Wednesday, November 20, 2019 3:03 PM > To: 'draft-tiloca-core-oscore-discovery@ietf.org' > > Subject: Review draft-tiloca-core-oscore-discovery-04 > > * Should this document be re-written to only use CoRAL-reef? =3D=3D>MT As a first step, we have added an appendix with CoRAL versions of the (re-)registration and lookup examples. <=3D=3D > > * Introduction - You have the statement that generally one application = group > uses one OSCORE group. I don't know that I agree with this statement. = It > depends to a large extent of how you define an application group. For > example, if you are looking at both administration and usage as being i= n the > same App group then this is not a true statement. =3D=3D>MT We have relaxed this assumption. Now an application group may use multiple security groups. <=3D=3D > * Section 2 - If you want ACE-KEY-GROUPCOMM-OSCORE to be an information= > reference, then the definition for 'name' needs to be changed. =3D=3D>MT We have made ace-key-groupcomm-oscore an informative reference. When introducing the attribute 'sec-gp', now we say: "'sec-gp', specifying the name of the OSCORE group of interest, as a stable and invariant identifier, such as the group name used in [I-D.ietf-ace-key-groupcomm-oscore]". <=3D=3D > > * Section 2 - Just replace and use the correct terms for countersignatu= re > algorithm info and countersignature key info structures. =3D=3D>MT Trying to also keep short names for the attributes, we have: - renamed 'cs_crv' to 'cs_alg_crv'; - renamed 'cs_kty' to 'cs_key_kty'; - added 'cs_key_crv'; - update all examples accordingly. <=3D=3D > > * Section 3 - For 'app-gp' - the MAY is confusing to me. Better to say= MUST > occur once for each application group and MUST contain only a single > application group. =20 =3D=3D>MT Done. <=3D=3D > > * Section 5 - I don't care if you specify the same application group > multiple times. I don't want to have to figure out how to check this = one > thing and error. Plus the end result will always be the same anyway =3D=3D>MT We have removed the last sentence "A same application group MUST NOT be specified multiple times". <=3D=3D > > * Section 5.1 - I think the anchor in the response is supposed to be ab= sent. =3D=3D>MT See reply from Christian at: https://mailarchive.ietf.org/arch/msg/core/bUlyq1zHYk5-YWV7RgTkdUkQ21k <=3D=3D > > * Section 6 - It looks like you are registering [2001:db8:4::4] twice -= that > looks like it will mess things up. > > * Section 6 - I am not sure why you are registering the app-grp on the > individual device rather than on the group itself. That means that If = I go > in reverse, from the app group to the address of the app group, then I = get > the individual endpoints rather than the group multicast address. This= > might be done for somebody who wants to get the messages in the group a= nd > would be permitted to do so. =3D=3D>MT Covering both comments, we have replaced 'app-gp' with a separate attribute 'in-app-gp' reflecting a node's membership rather than the group itself: 1) in the two registrations from the CT to the RD, right below the paragraph "Consecutively, the CT registers ... ". 2) in the response from the RD to the joining nodes, right below the paragraph "The device with IP address [2001:db8:4::x] can consequently learn the groups to which it belongs". The actual double registration is still there, so it's now an open point about whether removing the registration of application-group members altogether from the example, or collapse the two registrations into one, with multiple instances of 'in-app-gp'. <=3D=3D > > > > > > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --O8zrbMrIByKxaQOzEx2ihFxFGnpJgahhf-- --HgSZ8lnVk9KIFkQOtEWWhngCfVUHvRzIP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl5n19oACgkQ7iZktA5Y 2kNFSQf/ecfzfbarjUJRcwkgCqgQ8AF1/SUpRN2j2qqHlUV+ZvhoOE90AsTzCmIs pJJnXjnw+bm3P7BEZ6WmppPFq2pTUoLOlZbtLXtQoLlW38lGRK9tI72Wv2ARHDIy 0gfMtfYDNcvmhJ0Ayo5kJfmJ3Mz5F9gQsksOAmkolo+yzCkmS7Vs0UMJq9YTgY0o z1gbJZhqiLviWEv5SdhRkeyeXu0dyDDvMuvluzDGfZNuu7g/fkdq7C/TZC3Ai0Kl 4qFlVfxdbbOa/p0GZ7EM91PdoNAKmajMJPWf0Xttie+xsX2OMIWDbTCzbH5jXx8J RIwjUG1mjzqAGNPoo21N/ChVNmeoGA== =Q1n0 -----END PGP SIGNATURE----- --HgSZ8lnVk9KIFkQOtEWWhngCfVUHvRzIP-- From nobody Wed Mar 11 01:51:43 2020 Return-Path: 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 16FBD3A1512 for ; Wed, 11 Mar 2020 01:51:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=ackl-io.20150623.gappssmtp.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 UZMx5TzpwJPi for ; Wed, 11 Mar 2020 01:51:40 -0700 (PDT) Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) (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 E8CCC3A1511 for ; Wed, 11 Mar 2020 01:51:39 -0700 (PDT) Received: by mail-wm1-x336.google.com with SMTP id 6so1108928wmi.5 for ; Wed, 11 Mar 2020 01:51:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ackl-io.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fyn738te2TiDOkjRl5RLDpKGu9ZB76c5Dl/aTB7ONGo=; b=ZUcKtj1RnIELjnfX3qNTK0I54wwlEn/kJ+eTg1kPJ9clDDLLI5pgiVzbfU4CRbNXOI Q2ablqRM7hD51/Pj2T5GRDnS+mdM9COusgA8Fi5+g62WWo8/tibOt3FqrgKD+VF5FWqg RMK+gNZ2ipiHs3HVN3R7CNbOQqFe0QYKpLhdX04h2neQQ+ynWUcNaY9WWCQ83JEB776F BGHb2/WOPCytDqD/EtxHuZKjak4RbtFZmofPdRhCBXD2NcBG3liAyNwO+wYOKiiU0XgP UwYDg/iDT94T2vI0YddAIXgFl43NX1/EqkUmcDa3Y1MLasfsOACXs9IVcOyCBeCN4x+D tt+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fyn738te2TiDOkjRl5RLDpKGu9ZB76c5Dl/aTB7ONGo=; b=gCIG8Zji+uQMKkG/+uGuhRkdlpzwjo3Ez9YNqfg7BYEpqrz6RhJJBXY7WArqMGyEOT b195PV1FT16i6n60tIKdcfts/njtqee0vFyPJaoiaj1w+mnaQjIuK1clogwqQb4lF1iL sDUBI+LSIvPUmURdW0cuWuvEpwm+XrgiYfT7c+m6q9rMtbHddjGJBm2nb9QBP7mhRUfQ ysWYh35SNYNOkOlmto9AEmOIJlchunODf+6e796AlQv9gilOr1tSW6hpeE64/Ro2RQgI /dzoQpnDhfvqVZAq6P34+J+Xk7smF3FYIM115J0JKgDka5wv5PoVHTvysGoGVnsGNZVD YM+w== X-Gm-Message-State: ANhLgQ03pWkUE9yUHWDAGzLIBT0SXsFgqdFnl1DyBsOXDavWmH3Zn/Zb CBXqStzimJLdjrmrLYEKdrB0qsbsGjyF4CCFeJYK86PN X-Google-Smtp-Source: ADFU+vscUF393WissAgyVDfbNOmJryHm48vt57zIdvBbofQlZSymv/qZyT0cnz3fkn0mGdRrNlnEmgujbmwd2vBedFo= X-Received: by 2002:a7b:cd13:: with SMTP id f19mr2724251wmj.10.1583916698090; Wed, 11 Mar 2020 01:51:38 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Ivaylo Petrov Date: Wed, 11 Mar 2020 09:51:11 +0100 Message-ID: To: Andy Bierman Cc: Core Content-Type: multipart/alternative; boundary="00000000000024cfae05a0905859" Archived-At: Subject: Re: [core] draft-ietf-core-sid-11: YANG Issues X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Mar 2020 08:51:42 -0000 --00000000000024cfae05a0905859 Content-Type: text/plain; charset="UTF-8" Hello, Andy, Thank you for your review! I believe all your suggestions make sense and I/we are going to implement them in the following days. Best regards, Ivaylo On Tue, Mar 10, 2020 at 6:05 PM Andy Bierman wrote: > Hi, > > I think this draft is very close but the YANG module still needs some > changes. > The JSON example does not match the YANG rc:yang-data definition yet. > There needs to be a JSON object for the top-level container so the JSON > conforms to RFC 7951. > > > rc:yang-data sid-file { > uses sid-file; > } > > grouping sid-file { > container sid-file { > // existing YANG objects inserted here > } > } > > JSON: > > { "ietf-sid-file:sid-file" : { > // existing JSON objects inserted here > } > } > > > Minor YANG Issues (suggestions) > 1) move the object definitions to a grouping so they can be reused > 2) name the container "sid-file" instead of "content" > 3) change the order of the objects so the "header" fields will be first > (module-name, module-revision, sid-file-version) > 4) consider adding a "description" leaf to the header. JSON does not > support comments or annotations, but this JSON file is really intended > to be used by automation tools. IMO, JSON is not a very good choice > as a source code document, but a description string can help a little. > It can also contain extra metadata such as the SID file creation time. > > > Andy > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > --00000000000024cfae05a0905859 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello, Andy,

T= hank you for your review! I believe all your suggestions make sense and I/w= e are going to implement them in the following days.

Best regards,
Ivaylo

On Tue, Mar 10, 2020 at = 6:05 PM Andy Bierman <andy@yumawor= ks.com> wrote:
Hi,

I think this draft is very cl= ose but the YANG module still needs some changes.
The JSON exampl= e does not match the YANG rc:yang-data definition yet.
There need= s to be a JSON object for the top-level container so the JSON
con= forms to RFC 7951.


rc:yang-data sid= -file {
=C2=A0 =C2=A0 =C2=A0 uses sid-file;
}

grouping sid-file {
=C2=A0 =C2=A0container sid-fi= le {
=C2=A0 =C2=A0 =C2=A0 =C2=A0// existing YANG objects inserted= here
=C2=A0 =C2=A0}
}

JSON:

{=C2=A0 "ietf-sid-file:sid-file" : {
=C2=A0 =C2=A0 =C2=A0 =C2=A0//=C2=A0 existing JSON objects inserted he= re
=C2=A0 =C2=A0 }
}


Minor YANG Issues (suggestions)
1) move the object definiti= ons to a grouping so they can be reused
2) name the container &qu= ot;sid-file" instead of "content"
3) change the or= der of the objects so the "header" fields will be first
=C2=A0 =C2=A0(module-name, module-revision, sid-file-version)
4)= consider adding a "description" leaf to the header.=C2=A0 JSON d= oes not
=C2=A0 =C2=A0support comments or annotations, but this JS= ON file is really intended
=C2=A0 =C2=A0to be used by automation = tools.=C2=A0 IMO, JSON is not a very good choice
=C2=A0 =C2=A0as = a source=C2=A0code document, but a description string can help a little.=C2= =A0
=C2=A0 It can also contain extra metadata such as the SID fil= e creation time.


Andy
_______________________________________________
core mailing list
core@ietf.org
https://www.ietf.org/mailman/listinfo/core
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 X-MS-Exchange-AntiSpam-MessageData: z9G9wqOMh2bpozXdnTSSAs3cfG3cbK3SWZ6o1qVtT4OUD91FaHOawB0QXYcMWIruox+amwuk9IaSZLQY624uX83jKPB1Tct+uB0qN83Gel55aA1aMbD29ciCSYSTqrjgJlSO7SfRtQd1abo83ZpT7w== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: 7b727c30-85dc-4a34-d1b2-08d7c5a10443 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Mar 2020 09:46:04.9623 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: We+vNzItmtLnfi/T6c4+NhcPCRrExIYy4XoabvQVEwpS889yZfy5oPspdzTu42PLnylI1njafbfn6io9w9+9Vg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0335 Archived-At: Subject: [core] IETF 107 Vancouver In-Person Meeting Cancelled X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Mar 2020 09:46:25 -0000 --UT6DwTbNYCRunJnJ0NiiEGgQ4NQdI9hX5 Content-Type: multipart/mixed; boundary="OzpKU0iFMwfQ4QmPrL6klGDhZA8JYEdYb" --OzpKU0iFMwfQ4QmPrL6klGDhZA8JYEdYb Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Dear all, Most of you now know that the IETF107 face-to-face meeting was cancelled:= https://mailarchive.ietf.org/arch/msg/ietf-announce/XenAlx4Nw6Jmg69QpXRUO= wbzsXY Your IETF registration fees will be fully refunded: https://mailarchive.ietf.org/arch/msg/ietf-announce/WnC93yQanxb1GhOGYU97v= Fxc5RU Be sure to cancel your hotel and your flight as well, even in case of non-refundable booking. Some airlines are making accommodations such as keeping the paid amount in a fund that can be used for other tickets in 2020. As to the way forward, and quoting the cancellation mail: "The IESG is working on an alternative all-virtual agenda for the week of March 21-27 with a limited schedule adapted to accommodate the time zones of as many participants as possible." We have been asked to hold off making arrangements for replacement (virtual) meetings until the IESG has taken a decision on this. Once we know more, we will provide to the list information about a replacement for the CoRE sessions. We hope that the overall situation gets better and back to normality well before IETF108, so that we can enjoy the meeting in Madrid. For the time being and before then, we will resort to online meetings as much as needed. Marco and Jaime --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --OzpKU0iFMwfQ4QmPrL6klGDhZA8JYEdYb-- --UT6DwTbNYCRunJnJ0NiiEGgQ4NQdI9hX5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl5os1cACgkQ7iZktA5Y 2kP0hAgAk+R9CF8/wgSwlI5ikwoyXPW3gUcYioIji9bNeEvoLePku5slxOhjCBBh qAFrv8FJvcMh9lxkpfFGhpXzrFgCg9faob2ZhXgWg5v0/UNPjI6Jl55Hdk3XLKZY eBxsRIRtYDvZ+wec1vCSBlboDjwUiBNef3xY3fqAlVJ3yPxdveqp5CQh4t85K8u2 nhZEO4BtuP+aQ9GObG5X3Cklm/R81gMs7lyUmpTH+H84z5KuU6HUrn/kb+3fNy3J VYuuhQvVOZ7hcQN75BltAxTGJqE5bnrXlBgLY9o0l3W7ES62+B7DECZARyhqHkyw essGES4cNFItRguCp90y8yFHYTNDkA== =kci6 -----END PGP SIGNATURE----- --UT6DwTbNYCRunJnJ0NiiEGgQ4NQdI9hX5-- From nobody Wed Mar 11 05:46:18 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id CC6193A185A; Wed, 11 Mar 2020 05:46:09 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Cc: The IESG , core@ietf.org, alexey.melnikov@isode.com, rfc-editor@rfc-editor.org, Carsten Bormann , draft-ietf-core-senml-etch@ietf.org, cabo@tzi.org, core-chairs@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-ID: <158393076981.1369.7387252524503132963@ietfa.amsl.com> Date: Wed, 11 Mar 2020 05:46:09 -0700 Archived-At: Subject: [core] Protocol Action: 'FETCH & PATCH with Sensor Measurement Lists (SenML)' to Proposed Standard (draft-ietf-core-senml-etch-07.txt) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Mar 2020 12:46:10 -0000 The IESG has approved the following document: - 'FETCH & PATCH with Sensor Measurement Lists (SenML)' (draft-ietf-core-senml-etch-07.txt) as Proposed Standard This document is the product of the Constrained RESTful Environments Working Group. The IESG contact persons are Adam Roach, Alexey Melnikov and Barry Leiba. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-core-senml-etch/ Technical Summary The Sensor Measurement Lists (SenML) media type and data model can be used to send collections of resources, such as batches of sensor data or configuration parameters. The existing media types (defined in RFC 8428) are useful for the traditional operations GET, PUT, POST. The CoAP iPATCH, PATCH, and FETCH methods enable accessing and updating parts of a resource or multiple resources with one request. For using these methods to access and operate on resources represented with the SenML data model, the present document defines variants of the SenML media types, for JSON and CBOR representations only. Working Group Summary Most of the discussion in the WG (up to and including the last call) centered around whether the existing media types should be shoe-horned into use with the new methods or new media types were needed. In the end, having a simple way to apply a slight variant won out over having a more complex way to apply something that is nominally, but not really SenML. Christian Amsüss was kind enough to summarize his view of the result of the discussion into a Wiki page: https://github.com/core-wg/wiki/wiki/On-media-types-for-FETCH-and-(i)PATCH which will be useful in avoiding revisiting the issues when they inevitably come up for the next media type. Document Quality Implementations of this media type will often be done in the context of the OMA LWM2M specification, which is set to pick up the new media types in future versions (1.1.1 hints: "The media types, application/senml-etch+json and application/senml-etch+cbor, will remove the requirement for context aware parsing."). None of the implementations this shepherd is aware of is public yet: one existing implementation, and one implementation that is in the product plan of a vendor. A media type review has been requested 2019-07-12 in ⁨⁩ Personnel Who is the Document Shepherd? Who is the Responsible Area Director? Shepherd: Carsten Bormann (CoRE Co-chair) Responsible AD: Alexey Melnikov RFC Editor Note For fragment identifier in 2 media types registration please include the section number 4 when referencing RFC AAAA. From nobody Wed Mar 11 05:59:51 2020 Return-Path: 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 3472C3A1890 for ; Wed, 11 Mar 2020 05:59:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.698 X-Spam-Level: X-Spam-Status: No, score=-0.698 tagged_above=-999 required=5 tests=[BAYES_05=-0.5, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=isode.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 zGiFzOZfgPRc for ; Wed, 11 Mar 2020 05:59:49 -0700 (PDT) Received: from waldorf.isode.com (waldorf.isode.com [62.232.206.188]) by ietfa.amsl.com (Postfix) with ESMTP id 24FC73A188B for ; Wed, 11 Mar 2020 05:59:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1583931588; d=isode.com; s=june2016; i=@isode.com; bh=dGb25wAe5kHxKJ4YppKabwdycBxcLW09PhsiVausLeg=; h=From:Sender:Reply-To:Subject:Date:Message-ID:To:Cc:MIME-Version: In-Reply-To:References:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description; b=ikWkX8bgZagM4/NDWzjDYWuhzB/hW2PU0z8raOS3ypVq1aDxh3gb4OA5reEw+J1CAF88xD OGl8V7Z15aY/CEdrtMxvo3AmkaCgFNpkqwF+rDhtXhd3cVKjIIpmA4uZHCiHl28QHfrSph GSKLMnh1k/dl68M+HMXiXwC7xlO5tCY=; Received: from [172.20.1.215] (dhcp-215.isode.net [172.20.1.215]) by waldorf.isode.com (submission channel) via TCP with ESMTPSA id ; Wed, 11 Mar 2020 12:59:48 +0000 To: Carsten Bormann References: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> Cc: "core@ietf.org" From: Alexey Melnikov Message-ID: <2b37cb9f-f17a-3384-140c-38ae31d74cf3@isode.com> Date: Wed, 11 Mar 2020 12:59:36 +0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 In-Reply-To: <45F33015-5AD7-4452-B921-744D35666418@tzi.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Archived-At: Subject: Re: [core] 10 years of CoRE today! X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Mar 2020 12:59:50 -0000 Hi Carsten, On 09/03/2020 14:00, Carsten Bormann wrote: > Those who have worked with me a bit longer may know that I have this > idiosyncrasy: I'm trying not to do the same thing in the same way for > more than ten years. That is not a hard and fast rule, but it has > generally served me well. > > So I'm stepping down as a CoRE WG chair today. Thank you very much for your chairing service and contributions over the years! I have enjoyed working with you as a chair. I will be expecting to see more work from you in the CORE WG :-). Best Regards, Alexey From nobody Wed Mar 11 08:56:06 2020 Return-Path: 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 927213A0AA5 for ; Wed, 11 Mar 2020 08:56:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.101 X-Spam-Level: X-Spam-Status: No, score=-2.101 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, DKIM_VALID_EF=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=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 crKoMGOqAnAX for ; Wed, 11 Mar 2020 08:56:01 -0700 (PDT) Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2057.outbound.protection.outlook.com [40.107.22.57]) (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 30DFD3A0A99 for ; Wed, 11 Mar 2020 08:56:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AaHSKeegytO6+eBa6WaHWmJAwJzSbjbscu1tkQ7YoEMKwfZUzblpOuZFM2Jp5VXRelyUm3C5gEWSdw5iY3Ar51Za/WbmlMTKImfK1KgT+GVrJ4XEWUMY/zGElnFiN2lVhULaiGjEgq6rdnIG68makPkeIUDrWoGfBEuQEwej1vPwYrw2bavSagzwNgT361Lpr0k5ZFVJk0Bg5sQAolUf9iE0JLXCSX9XqK/CaFDOEM4Q1Tk1X84RGb0nhtzDgbc+PDpDhkynm09WzAss1gGU+r/URlBmVvuo6BbTBK5xWQRd+D4SUCYh9pkMrgulVDeeFrsqG2jSiQ+6iDmh2UcslQ== 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=950VzYyBZ3Jqy8ujYoCum7ffv0oxo9tg5Gl4rtsCe/w=; b=Zwjc1piZYwqknhULz0QlcovYG64un4jKeGctEamdkIxB3NAF2v2+9qwXysLQJ15sOQhDzXvsbRBEj+4BzRm2zKmyU4L39+8W70pRCjlPCubI0BeNMLMxOtocDik+USIK7ThEfISZCD8D7Kbx6GEOA3c5rO/T0/8FT2/+ZHGkXPLqmRjVMe9cOr1YfheH62EC/mcsnU8yLgdPwRe64OurdYG2b9lMugggzXS2ins/xKFEENO4BQZsFyFYwlJtmbXW+oaCkGEeyOji1mGdjbTq0EzemLRwH/DyUHeXdTzHiJdHe0Fq1JgQWYFLGxc9Z43+a13CvaXAWwOt09aBy6PIqw== 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=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=950VzYyBZ3Jqy8ujYoCum7ffv0oxo9tg5Gl4rtsCe/w=; b=fu+lo4qGFCB4z30Lv3lpEs8OLl8G86tiOPi1JKUen4PgCJYk0Z6OJeFEhtcvMOkwXAc7oJB8K5LpO9k3YfbvnjxB4GsiUcXbERSIfke4K1dw6O0WfdahxhMy1ee+GQx9oWqUK02edOgiuV63XooUyQPG5DhjCu/bx2+dDt/30vU= Received: from HE1PR0702MB3818.eurprd07.prod.outlook.com (52.133.6.18) by HE1PR0702MB3660.eurprd07.prod.outlook.com (52.133.6.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2814.11; Wed, 11 Mar 2020 15:55:58 +0000 Received: from HE1PR0702MB3818.eurprd07.prod.outlook.com ([fe80::e49e:708f:4fe7:5d02]) by HE1PR0702MB3818.eurprd07.prod.outlook.com ([fe80::e49e:708f:4fe7:5d02%4]) with mapi id 15.20.2814.007; Wed, 11 Mar 2020 15:55:58 +0000 From: Francesca Palombini To: Carsten Bormann , "core@ietf.org" Thread-Topic: [core] 10 years of CoRE today! 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20:20:58 +0000 From: Mohit Sethi M To: Carsten Bormann , Core Thread-Topic: [core] 10 years of CoRE today! 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[IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id BE39F3A0846; Thu, 12 Mar 2020 06:13:41 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158401882166.18097.14671185317938334807@ietfa.amsl.com> Date: Thu, 12 Mar 2020 06:13:41 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-stateless-05.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Mar 2020 13:13:49 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : Extended Tokens and Stateless Clients in the Constrained Application Protocol (CoAP) Author : Klaus Hartke Filename : draft-ietf-core-stateless-05.txt Pages : 15 Date : 2020-03-12 Abstract: This document provides considerations for alleviating CoAP clients and intermediaries of keeping per-request state. To facilitate this, this document additionally introduces a new, optional CoAP protocol extension for extended token lengths. This document updates RFCs 7252 and 8323. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-stateless/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-stateless-05 https://datatracker.ietf.org/doc/html/draft-ietf-core-stateless-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-stateless-05 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Mar 12 08:10:11 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 3D5563A0A48; Thu, 12 Mar 2020 08:10:00 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.120.0 Auto-Submitted: auto-generated Precedence: bulk CC: core-chairs@ietf.org, barryleiba@gmail.com, draft-ietf-core-stateless@ietf.org, Carsten Bormann , cabo@tzi.org, core@ietf.org Reply-To: last-call@ietf.org Sender: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <158402580022.18308.8812184375705004124@ietfa.amsl.com> Date: Thu, 12 Mar 2020 08:10:00 -0700 Archived-At: Subject: [core] Last Call: (Extended Tokens and Stateless Clients in the Constrained Application Protocol (CoAP)) to Proposed Standard X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Mar 2020 15:10:00 -0000 The IESG has received a request from the Constrained RESTful Environments WG (core) to consider the following document: - 'Extended Tokens and Stateless Clients in the Constrained Application Protocol (CoAP)' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the last-call@ietf.org mailing lists by 2020-04-02. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This document provides considerations for alleviating CoAP clients and intermediaries of keeping per-request state. To facilitate this, this document additionally introduces a new, optional CoAP protocol extension for extended token lengths. This document updates RFCs 7252 and 8323. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-core-stateless/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-core-stateless/ballot/ No IPR declarations have been submitted directly on this I-D. From nobody Thu Mar 12 08:58:40 2020 Return-Path: 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 B0F4C3A0C87 for ; Thu, 12 Mar 2020 08:58:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.624 X-Spam-Level: X-Spam-Status: No, score=-1.624 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.274, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=no autolearn_force=no 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 HbVpOBHWpEkN for ; Thu, 12 Mar 2020 08:58:35 -0700 (PDT) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E2D413A0C7C for ; Thu, 12 Mar 2020 08:58:33 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bd]) by prometheus.amsuess.com (Postfix) with ESMTPS id DF9CE40028; Thu, 12 Mar 2020 16:58:31 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:a800:ff:fede:b1bf]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 16934DB; Thu, 12 Mar 2020 16:58:31 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:29c1:94b7:fce6:3020]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 51352148; Thu, 12 Mar 2020 16:58:30 +0100 (CET) Received: (nullmailer pid 378254 invoked by uid 1000); Thu, 12 Mar 2020 15:58:29 -0000 Date: Thu, 12 Mar 2020 16:58:29 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: Esko Dijk , Marco Tiloca Cc: "core@ietf.org" Message-ID: <20200312155829.GA346418@hephaistos.amsuess.com> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="cNdxnHkX5QqsyA0e" Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [core] New draft-tiloca-core-groupcomm-proxy on proxied CoAP multicast operation X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Mar 2020 15:58:39 -0000 --cNdxnHkX5QqsyA0e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello Esko, hello Marco, hello CoRE, thanks for tackling this. I'm only skimming over it in a first round, but a few things have come up: * Multicast-Signaling: Is this a CBOR unsigned integer or a CoAP uint? * Response-Forwarding: Is this expected to be extensible to any other CoAP transport that may come up that supports multicast? The use of CBOR tags seems to imply that, but then there's the question of how the client would arrive at a URI for follow-up unicast communication. Have you considered just using values that'd go into Uri-Host in a follow-up request? * Why is the information about the client being behind a proxy forwarded? We don't to this in other proxying cases, and it just puts an additional burden on the origin server I don't see a compelling need for. From reading up to 5.3, I'd have expected that the proxy strip Multicast-Signaling when doing the actual multicast, and put back the Response-Forwarding option. * At some point, as a WG we will need to think of whether we really want to have another option with Observe-like multiresponses; Block-wise and Observe being the two extensions so early everyone knew from RFC7252 they would come does put them into a special position. I do see the benefits of doing things this way -- it is way more efficient than anything I could think of that works across unaware proxies. If we see this as general enough to be one of the few ways to have longer-lived tokens, all is fine, and I am fine with that outcome, but would like to hear some WG discussion on whether we are as a group. In particular, that process should come up with some criterion of whether a mechanism is special enough to be another Observe. Otherwise, one option is to define a single one more generalized longlived-token mechanism that'd go along any option that starts an observationish process (and tells the proxy the eventual-consistency semantics of the request). Observe doesn't need that because it's been known all along, but if it weren't, it could be expressed in terms of that one option (plus its own option). If even that doesn't fly, the whole protocol would need to look very different (but I hope it won't come to that). * The proxy needs to authenticate the client, that's a sane requirement. In a situation where I alerady deploy OSCORE for E2E, it would be convenient to use OSCORE to protect the leg to the proxy as well. OSCORE rules that out per specification, but to my understanding that's not for technical reasons, but primarily due to how to everything is phrased as protecting and unprotecting a complete message rather than accessing options before and after unprotection. This would make a convincing use case for nested OSCORE, so I'd suggest thinking about this. It may help to describe it in terms of sending a message to a forward proxy; option classes might change in the course of that. (In particular, Uri-Host and OSCORE become Class E for that purpose). Best regards, and thanks for working on that document Christian --=20 I shouldn't have written all those tank programs. -- Kevin Flynn --cNdxnHkX5QqsyA0e Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5qXCUACgkQOY0REtOk veF4KQ/9EnVQXqzYFBcCyQE/MeVTlM1MqrvKWOY6jJgiCZI7jZ9/1DpkTK9H9LC0 vOBfvwysDJtnkNgTT4b/+gTZYQKEYD7SGwuS1fZEFUAp19Z7I9pfQNUtOouAOnv7 3u1WUQ7Thpgzkx6THChu837Ilko7K2xtm1Dv9MiJHr9CmRzF68hmHXiLPtKuoMVI L0zKk6llGCnPqTF/KmRv5yKDeWy6lIjd67IvXlo2PW7RsXL7/pn9SsWcpliQwDXD oTHSEEKQI3z88f8KcUsWA6Q+kBfxfu051xFaXYRyvWd6Q1pj3shBxPvwfS6MUGrB b+IB//EDwcJi3tHpRH01s81xQc3KYn81mhi9UIL9SxBHxA/tG24jMZPW+ELXNaOU upTRzdalP72Ed2qbQm7TF0nX0jg3GIeyJCYrHYmQvayRAqeXtB5nUxojk8JRP+jF 2KoOW4jRfZoFx5GdGJfWt8RuIDNLYRd9xv/m7ZEOFyCFn7gUuNEqpBn+FDEbWi+V CkgaG5/9vMCOsqz/qQyWourRjvJZLHHy3T6tOSrjLxWj5G+1Orv7HIAIdwpAleI8 pjE+HSLNjdmX4oKooidhAxLpSQaAVaBRjuxLlDJJFhq2zLHEgMRvEYDx/NOP3oFj UzDCU8QUkkFqMsukiInIXRpz/oWzV/mJxaiK2qA5yVRlCEdUfYM= =ufCO -----END PGP SIGNATURE----- --cNdxnHkX5QqsyA0e-- From nobody Fri Mar 13 09:17:53 2020 Return-Path: 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 1A5363A0D9B for ; Fri, 13 Mar 2020 09:17:51 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.118 X-Spam-Level: X-Spam-Status: No, score=-1.118 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=messagingengine.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 ysIHOzGjhOud for ; Fri, 13 Mar 2020 09:17:49 -0700 (PDT) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 687FA3A0D7A for ; Fri, 13 Mar 2020 09:17:48 -0700 (PDT) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id CB49822616 for ; Fri, 13 Mar 2020 12:17:47 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute7.internal (MEProxy); Fri, 13 Mar 2020 12:17:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:message-id :mime-version:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm2; bh=DWUS/tr8JNcLvyfOwonMsfGGckcsc IY3FVCg3meqvXQ=; b=IdoKzeWarYav3aXDMBEqtV335UYgRzgxgFjaGFgl4iv6b XZysB8rrGHhmrqg3O8wor2NzKGhoyvmic5wbN8larF0pTGtkuTvukBU0zKkteD7n A+ZZF8N2v+binVn0ETQbpJ6Cif5A+whdSsETwQ5uxPaZ9Zb9eFvJgkCwetMMwr+1 1PxMCIjssrkOAkYIeOx3F9nmsAwbgn6TUAmyoCr0cnYtGHIvlsfqEpC8xWr5K5nY 1WX5fuL368NTKOyfUWNOAQ1aqkcOZFgngpXqCI18b8A6uZWCVv2sM9vyRfOeyqDf Ma3vK/0jPOOmyjYNBMwrRDYsbBiig6kp2b8AILotA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedruddvjedgkeeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfggtggusehttdertddttddvnecuhfhrohhmpeflrghimhgvucfl ihhmrohnvgiiuceojhgrihhmvgesihhkihdrfhhiqeenucffohhmrghinhepihgvthhfrd horhhgnecukfhppeekjedruddttddrudeigedrfeeknecuvehluhhsthgvrhfuihiivgep tdenucfrrghrrghmpehmrghilhhfrhhomhepjhgrihhmvgesihhkihdrfhhi X-ME-Proxy: Received: from EMB-918HFH01 (87-100-164-38.bb.dnainternet.fi [87.100.164.38]) by mail.messagingengine.com (Postfix) with ESMTPA id 6FC63328006D for ; Fri, 13 Mar 2020 12:17:46 -0400 (EDT) Date: Fri, 13 Mar 2020 18:17:44 +0200 From: =?utf-8?Q?Jaime=20Jim=C3=A9nez?= To: CoRE WG Message-ID: <20200313161744.n7ourfegu4s6w4gw@EMB-918HFH01> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: Subject: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2020 16:17:51 -0000 Dear CoRE, I would like to call for the WGA of "Group Communication for CoAP". https://tools.ietf.org/html/draft-dijk-core-groupcomm-bis-03 The is intended to replace the experimental RFC 7390 with a standards-track specification. It has been discussed on various previous IETFs and there was some existing in-room consensus for adoption. I would like to confirm that on the list, so let's have a call for adoption of 2 weeks until March the 27th. Some of you have volunteer to review, so now it is a good time to do that as well if you haven't already. Ciao! -- Jaime From nobody Fri Mar 13 09:59:39 2020 Return-Path: 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 950633A0F69 for ; Fri, 13 Mar 2020 09:59:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=armh.onmicrosoft.com header.b=3Noh3cbc; dkim=pass (1024-bit key) header.d=armh.onmicrosoft.com header.b=3Noh3cbc 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 3lFikEYILkIr for ; Fri, 13 Mar 2020 09:59:16 -0700 (PDT) Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2076.outbound.protection.outlook.com [40.107.22.76]) (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 51FED3A0F83 for ; 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charset="utf-8" Content-ID: <355DDD69CDD30441A98488E31BE04779@eurprd07.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: ericsson.com X-MS-Exchange-CrossTenant-Network-Message-Id: ea64245a-a459-4eba-bdc7-08d7c76fe824 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Mar 2020 16:59:34.5324 (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: /wxe0cBCYhAZAQqIm2zIm5MxldLP0WaOo9i45G/cm7T+RmMU2zwwN3FZJuwMsCFwcvlGOOEf2+j4nHwPgVALTxey+fGdfzkKL7G4d8Ch8OE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR07MB4354 Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2020 16:59:46 -0000 SSBzdXBwb3J0IGFkb3B0aW9uLiBUaGlzIGlzIGFuIGltcG9ydGFudCBidWlsZGluZyBibG9jayB0 byBpbXByb3ZlIHBlcmZvcm1hbmNlIGluIGdyb3VwIGNvbW11bmljYXRpb24gc2V0dGluZ3MuDQoN CkfDtnJhbg0KDQrvu79PbiAyMDIwLTAzLTEzLCAxNzoxOCwgImNvcmUgb24gYmVoYWxmIG9mIEph aW1lIEppbcOpbmV6IiA8Y29yZS1ib3VuY2VzQGlldGYub3JnIG9uIGJlaGFsZiBvZiBqYWltZUBp a2kuZmk+IHdyb3RlOg0KDQogICAgRGVhciBDb1JFLA0KICAgIA0KICAgIEkgd291bGQgbGlrZSB0 byBjYWxsIGZvciB0aGUgV0dBIG9mICJHcm91cCBDb21tdW5pY2F0aW9uIGZvciBDb0FQIi4NCiAg ICBodHRwczovL3Rvb2xzLmlldGYub3JnL2h0bWwvZHJhZnQtZGlqay1jb3JlLWdyb3VwY29tbS1i aXMtMDMNCiAgICANCiAgICBUaGUgaXMgaW50ZW5kZWQgdG8gcmVwbGFjZSB0aGUgZXhwZXJpbWVu dGFsIFJGQyA3MzkwIHdpdGggYSBzdGFuZGFyZHMtdHJhY2sgc3BlY2lmaWNhdGlvbi4gDQogICAg SXQgaGFzIGJlZW4gZGlzY3Vzc2VkIG9uIHZhcmlvdXMgcHJldmlvdXMgSUVURnMgYW5kIHRoZXJl IHdhcyBzb21lIGV4aXN0aW5nIGluLXJvb20gY29uc2Vuc3VzIGZvciBhZG9wdGlvbi4gDQogICAg SSB3b3VsZCBsaWtlIHRvIGNvbmZpcm0gdGhhdCBvbiB0aGUgbGlzdCwgc28gbGV0J3MgaGF2ZSAg YSBjYWxsIGZvcg0KICAgIGFkb3B0aW9uIG9mIDIgd2Vla3MgdW50aWwgTWFyY2ggdGhlIDI3dGgu IA0KICAgIA0KICAgIFNvbWUgb2YgeW91IGhhdmUgdm9sdW50ZWVyIHRvIHJldmlldywgc28gbm93 IGl0IGlzIGEgZ29vZCB0aW1lIHRvIGRvDQogICAgdGhhdCBhcyB3ZWxsIGlmIHlvdSBoYXZlbid0 IGFscmVhZHkuDQogICAgDQogICAgQ2lhbyENCiAgICAtLSBKYWltZQ0KICAgIA0KICAgIF9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQogICAgY29yZSBtYWls aW5nIGxpc3QNCiAgICBjb3JlQGlldGYub3JnDQogICAgaHR0cHM6Ly93d3cuaWV0Zi5vcmcvbWFp bG1hbi9saXN0aW5mby9jb3JlDQogICAgDQoNCg== From nobody Fri Mar 13 19:33:44 2020 Return-Path: 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 E45083A07F5 for ; Fri, 13 Mar 2020 19:33:41 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 SADOf94UO8xd for ; Fri, 13 Mar 2020 19:33:40 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4C8523A07F1 for ; Fri, 13 Mar 2020 19:33:40 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 13 Mar 2020 19:33:16 -0700 From: Jim Schaad To: =?iso-8859-1?Q?'Jaime_Jim=E9nez'?= , 'CoRE WG' References: <20200313161744.n7ourfegu4s6w4gw@EMB-918HFH01> In-Reply-To: <20200313161744.n7ourfegu4s6w4gw@EMB-918HFH01> Date: Fri, 13 Mar 2020 19:33:13 -0700 Message-ID: <003d01d5f9a8$ea7cd850$bf7688f0$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQE8zgd0CZ+abJBIeb4KcUZgtmspWal5tbIw X-Originating-IP: [73.180.8.170] Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Mar 2020 02:33:42 -0000 This definitely needs to be adopted by the WG. -----Original Message----- From: core On Behalf Of Jaime Jim=E9nez Sent: Friday, March 13, 2020 9:18 AM To: CoRE WG Subject: [core] WGA of draft-dijk-core-groupcomm-bis-03 Dear CoRE, I would like to call for the WGA of "Group Communication for CoAP". https://tools.ietf.org/html/draft-dijk-core-groupcomm-bis-03 The is intended to replace the experimental RFC 7390 with a = standards-track specification.=20 It has been discussed on various previous IETFs and there was some = existing in-room consensus for adoption.=20 I would like to confirm that on the list, so let's have a call for = adoption of 2 weeks until March the 27th.=20 Some of you have volunteer to review, so now it is a good time to do = that as well if you haven't already. 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Sat, 14 Mar 2020 13:24:05 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Russ Housley via Datatracker To: Cc: draft-ietf-core-resource-directory.all@ietf.org, last-call@ietf.org, core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.121.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158421744571.9687.8780686538979770105@ietfa.amsl.com> Reply-To: Russ Housley Date: Sat, 14 Mar 2020 13:24:05 -0700 Archived-At: Subject: [core] Genart last call review of draft-ietf-core-resource-directory-24 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Mar 2020 20:24:06 -0000 Reviewer: Russ Housley Review result: Not Ready I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-core-resource-directory-24 Reviewer: Russ Housley Review Date: 2020-03-14 IETF LC End Date: 2020-03-31 IESG Telechat date: Unknown Summary: Not Ready Major Concerns: Section 7.3 says: ... the certificate is uniquely identified by the CN field and the serial number (see [RFC5280] Section 4.1.2.2). This is _not_ correct! RFC 5280 says that the issuer name (not the CN) and serial number uniquely identify a certificate! The issuer name is made up of may naming attributes, and the CN is one that MAY be present. The list of naming attributes is given in Section 4.1.2.4 of RFC 5280. Note: Even if the conventions required by IEEE 802.1AR are followed, the sentence is not correct. The paragraph goes on to say: The RD can assign a unique endpoint name by using the certificate identifier as endpoint name. I believe that this is correct, but it is not the common name (CN) that makes it correct. I think that some guidance ia needed here. Section 7.3 says: Proof of possession of the endpoint name by the registering endpoint is checked by encrypting the certificate identifier with the private key of the registering endpoint, which the RD can decrypt with the public key stored in the certificate. This only works if the certificate contains an RSA public key. There are algorithm independent ways to achieve this outcome. With the push for elliptic curve cryptography and post-quantum cryptography it is important that this be reworded in an algorithm independent manner. Section 7.3 says: Even simpler, the authorized registering endpoint can generate a random number (or string) that identifies the endpoint. The RD can check for the improbable replication of the random value. The RD MUST check that registering endpoint uses only one random value for each authorized endpoint. Yes, but only if the random number is large enough. Please offer some guidance about the size. Minor Concerns: General: The document uses "Resource Directory", "resource directory", and "RD" interchangeably. I thin it would help the reader if just one spelling was used throughout. Section 2: Please update the first paragraph to reference RFC 8174 in addition to RFC 2119, as follows: The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here. Also, please put this sentence in a separate paragraph: The term "byte" is used in its now customary sense as a synonym for "octet". Further, the definition in Section 2 does not align with the document Introduction, which says that an RD is used to register, maintain, lookup and remove information on resources. I think these should match. Section 9.5 says: IPv4 - "all CoRE resource directories" address MCD2 (suggestion: 224.0.1.189), from the "IPv4 Multicast Address Space Registry". As the address is used for discovery that may span beyond a single network, it has come from the Internetwork Control Block (224.0.1.x, RFC 5771). I believe you want to make RFC 5771 a reference here. I suggest: ... from the Internetwork Control Block (224.0.1.x) [RFC 5771]. In Figures 5 and 6, I am surprised to see the response end in a comma. Looking at the examples in RFC 6690 and Section 10 of this document none of them end in a comma. Please make sure that these figures are correct. Appendix A: Can the IPv6 addresses in this appendix be replaced with ines from RFC 3849 or RFC 4193? Nits: General: IDnits reports three instances of too long lines. General: These two phrases are used: - Resource Directory implementations using this specification ... - Resource Directories implementing this specification ... - An implementation of this resource directory specification ... Please pick one, or (my preference): - RD implementations of this specification ... Abstract: Some places Resource Directory is spelled out. Other places RD is used. Either spell it out just once or every time. The captions for Figure 2 and Figure 3 include "E-R", but the text about the figures uses "ER". Please choose one spelling. Section 3.5 includes " (machines -- endpoints) ". The meaning of double hypen is unclear to me. Please use words. Section 4 includes " (registrant-EPs / CTs, lookup clients, ...". I do not know the difference in meaning between the slash and the comma. Section 8.1 has a typo: "... the et of endpoints ..." 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DIR:OUT; SFP:1101; SCL:1; SRVR:VI1P189MB0336; H:VI1P189MB0398.EURP189.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; Received-SPF: None (protection.outlook.com: ri.se does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: ZMejjeOYC44ybwvWozha0naARcs4mWcc+AH6E/af2yhHsSLSD6ck49k5SkVec3jWHbo8ZeJicvOX1vMyLnFUb9xjeIPp0cERpD+rV2M1Jfmd0iSMefaYAbYZgxD0Q4WH7Izdeutpz1g4Gj+aOnjY6g== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: 2be550ab-361d-4ecb-0f09-08d7c9af104d X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Mar 2020 13:36:42.7589 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MBSpRPEeblvh3IL6GOhByQi2THqFC84YbJ+UKWCY/yUH1Ypg6r/Rov8Csq9spdX0cTE9XQpjk6cj7aP7Q/QGqg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0336 Archived-At: Subject: [core] CoRE IETF 107 and interim meetings X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Mar 2020 13:36:48 -0000 --1VndTtUi4DdZW3ApS6jxd2DQJIbxzpfLa Content-Type: multipart/mixed; boundary="QNLoL6mG9lcil8tMHR3JX7VC5KINx2QJk" --QNLoL6mG9lcil8tMHR3JX7VC5KINx2QJk Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Dear all, The IESG has suggested a conflict-free schedule for the WGs to hold virtual meetings. Based on the time slots originally scheduled for the face-to-face meeting, the two suggested days for CoRE are: - Wednesday, April 8th - Thursday, April 16th As a replacement for the two IETF 107 sessions, we are currently planning to schedule a 2 hour time slot for April 8th, and a 1.5 hour time slot for April 16th. For each of the two days, we have created a Doodle poll to indicate the ideal time to consider: [Session 1 - April 8th] https://doodle.com/poll/xxdmipzt4ft9fbmw [Session 2 - April 16th] https://doodle.com/poll/8txtnupd734fp5iq Please, indicate your preferences separately in the two polls --- and let us know if none of the options work for you --- by Friday, March 20th, EOB. =C2=A0 The chairs also plan to schedule bi-weekly virtual interim meetings, starting from the last week of April. A separate Doodle poll about that will follow. Marco and Jaime --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --QNLoL6mG9lcil8tMHR3JX7VC5KINx2QJk-- --1VndTtUi4DdZW3ApS6jxd2DQJIbxzpfLa Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl5vgOQACgkQ7iZktA5Y 2kOxcwgAs1OL48lgrR0Zb6GOKlTkMrliVWGCxyfRtvBtra0n9sIQV7M+C9bDSuL3 tyBbRWky8vhZfFZ+MK5NB93VaD7bKK1HF5/HNntLBlG+CcrVlh6XU3QG5gr1ra0/ HR4SPWnrrSgaUA8pjXmiqFC27WtHuODaUdZ/aggJXW7FxcRr/8NNepnRxzOFYiFI fPYHkIsU6zYFT4bhiwtm4uMagxihngpimXL2dOlFlT9b8zryhfbTK2je0kTWFROT 3QZjA4qQDFU641ssi/3Ir9nZhf6H0uEjPVF6p8qh48aieBhbjopgL+Y54C+C46ds tuO14c8vMTNLgUqza1JQmblv0gpO+Q== =fNpg -----END PGP SIGNATURE----- --1VndTtUi4DdZW3ApS6jxd2DQJIbxzpfLa-- From nobody Mon Mar 16 08:01:44 2020 Return-Path: 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 788E23A09C4 for ; 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Mon, 16 Mar 2020 19:58:16 +0000 From: Mohit Sethi M To: =?Windows-1252?Q?Christian_Ams=FCss?= , "core@ietf.org" , "lwip@ietf.org" Thread-Topic: [Lwip] CoAP Implementation Guidance and IPV6_RECVERR Thread-Index: AQHV+8077ZMPCJd7rkyJxbpN2+dIsA== Date: Mon, 16 Mar 2020 19:58:16 +0000 Message-ID: References: <20200310165322.GA226328@hephaistos.amsuess.com> <20200310165504.GA235006@hephaistos.amsuess.com> In-Reply-To: <20200310165504.GA235006@hephaistos.amsuess.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 authentication-results: spf=none (sender IP is ) smtp.mailfrom=mohit.m.sethi@ericsson.com; x-originating-ip: [2001:14bb:190:2374:7c9:b046:991c:3bc0] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 10e92917-0835-452c-60e8-08d7c9e45dfe x-ms-traffictypediagnostic: HE1PR0701MB2905: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; 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boundary="_000_f393a3a86f438970906a84a42d1e64bcericssoncom_" MIME-Version: 1.0 X-OriginatorOrg: ericsson.com X-MS-Exchange-CrossTenant-Network-Message-Id: 10e92917-0835-452c-60e8-08d7c9e45dfe X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Mar 2020 19:58:16.2233 (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: PW9quOQgshjpu41nIJRRdc+B0BuBWcc+L0Te36ZTeT5ZEqOTMPHhLjELje4l0VcDds5ndeQB98ehsNwYfm/gHxCWRf4xSGvt4Jvj8ieZ+kQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0701MB2905 Archived-At: Subject: Re: [core] [Lwip] CoAP Implementation Guidance and IPV6_RECVERR X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Mar 2020 19:58:37 -0000 --_000_f393a3a86f438970906a84a42d1e64bcericssoncom_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Christian, Yes, we (Zhen and I) as chairs are definitely interested in finishing this = document. There is plenty of valuable information there. @Authors (Matthias, Olaf, Carsten): What do you think? Do you need any help= to revive and finish this document? Zhen and Mohit On 3/10/20 6:55 PM, Christian Ams=FCss wrote: Hello CoRE and LWIG, (retransmitting as I missed the LWIG list name oddity, please reply to this to keep the thread intact) working on the portability of my aiocoap library I had trouble reusing the IPV6_RECVERR option recommended in draft-ietf-lwig-coap-06[1], and found that it does not seem to be portable at all; unlike the IPV6_RECVPKTINFO option recommended in the paragraph above, IPV6_RECVERR is only mentioned in the IETF scope in this document, and otherwise appears to be proprietary to Linux. Is that a known shortcoming? Are there any more portable mechanisms that can be recommended instead? Best regards Christian [1]: I see has expired -- is there interest in having this continued? It has been valuable so far _______________________________________________ Lwip mailing list Lwip@ietf.org https://www.ietf.org/mailman/listinfo/lwip --_000_f393a3a86f438970906a84a42d1e64bcericssoncom_ Content-Type: text/html; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable

Hi Christian,

Yes, we (Zhen and I) as chairs are definitely interested in finishing th= is document. There is plenty of valuable information there.

@Authors (Matthias, Olaf, Carsten): What do you think? Do you need any h= elp to revive and finish this document?

Zhen and Mohit

On 3/10/20 6:55 PM, Christian Ams=FCss wrote= :
Hello CoRE and LWIG,

(retransmitting as I missed the LWIG list name oddity, please reply to
this to keep the thread intact)

working on the portability of my aiocoap library I had trouble reusing
the IPV6_RECVERR option recommended in draft-ietf-lwig-coap-06[1], and
found that it does not seem to be portable at all; unlike the
IPV6_RECVPKTINFO option recommended in the paragraph above, IPV6_RECVERR
is only mentioned in the IETF scope in this document, and otherwise
appears to be proprietary to Linux.

Is that a known shortcoming? Are there any more portable mechanisms that
can be recommended instead?

Best regards
Christian

[1]: I see has expired -- is there interest in having this continued? It
     has been valuable so far



____________________________________=
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Lwip@ie=
tf.org
https://www.ietf.org/mailman/listinfo/lwip
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a3M7IGl0IGRlcml2ZXMgdGhlIGdyb3VwIGtleSBtYXRlcmlhbCBmcm9tLCBhbW9uZyBvdGhlciB0 aGluZ3MsDQo+ICAgIGEgTWFzdGVyIFNlY3JldCBzZWN1cmVseSBnZW5lcmF0ZWQgYnkgdGhlIEdy b3VwIE1hbmFnZXIgYW5kIHByb3ZpZGVkDQo+ICAgIHRvIENvQVAgZW5kcG9pbnRzIHVwb24gdGhl aXIgam9pbmluZyBvZiB0aGUgT1NDT1JFIGdyb3VwOw0KPiAgICBjb3VudGVyc2lnbmF0dXJlcyBh c3N1cmUgc291cmNlIGF1dGhlbnRpY2F0aW9uIG9mIGV4Y2hhbmdlZCBDb0FQDQo+ICAgIG1lc3Nh Z2VzLCBhbmQgaGVuY2UgcHJldmVudCBhIGdyb3VwIG1lbWJlciB0byBiZSB1c2VkIGZvciBzdWJ2 ZXJ0aW5nDQo+ICAgIHNlY3VyaXR5IGluIHRoZSB3aG9sZSBncm91cC4NCj4NCg0K From nobody Tue Mar 17 09:51:34 2020 Return-Path: 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 014463A0871; Tue, 17 Mar 2020 09:51:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 WrGk_oB2Llwt; Tue, 17 Mar 2020 09:51:27 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B51133A0870; Tue, 17 Mar 2020 09:51:27 -0700 (PDT) Received: from wangari.tzi.org (p54BDE7FE.dip0.t-ipconnect.de [84.189.231.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48hfMK37K6zyNp; Tue, 17 Mar 2020 17:51:25 +0100 (CET) From: Olaf Bergmann To: Mohit Sethi M Cc: Christian =?utf-8?Q?Ams=C3=BCss?= , "core\@ietf.org" , "lwip\@ietf.org" , "matthias.kovatsch\@huawei.com" , Carsten Bormann References: <20200310165322.GA226328@hephaistos.amsuess.com> <20200310165504.GA235006@hephaistos.amsuess.com> Date: Tue, 17 Mar 2020 17:51:24 +0100 In-Reply-To: (Mohit Sethi M.'s message of "Mon, 16 Mar 2020 19:58:16 +0000") Message-ID: <87mu8e3oxf.fsf@wangari> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [core] [Lwip] CoAP Implementation Guidance and IPV6_RECVERR X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Mar 2020 16:51:33 -0000 Hi Mohit, Mohit Sethi M writes: > Yes, we (Zhen and I) as chairs are definitely interested in finishing > this document. There is plenty of valuable information there. > > @Authors (Matthias, Olaf, Carsten): What do you think? Do you need any > help to revive and finish this document? I am also inclined to finish this work. As Christian's email shows, some things have evolved since our initial write-up and therefore might need some reconsideration. Gr=C3=BC=C3=9Fe Olaf > Zhen and Mohit > > On 3/10/20 6:55 PM, Christian Ams=C3=BCss wrote: > > Hello CoRE and LWIG, > > (retransmitting as I missed the LWIG list name oddity, please reply to > this to keep the thread intact) > > working on the portability of my aiocoap library I had trouble reusing > the IPV6_RECVERR option recommended in draft-ietf-lwig-coap-06[1], and > found that it does not seem to be portable at all; unlike the > IPV6_RECVPKTINFO option recommended in the paragraph above, IPV6_RECVERR > is only mentioned in the IETF scope in this document, and otherwise > appears to be proprietary to Linux. > > Is that a known shortcoming? Are there any more portable mechanisms that > can be recommended instead? > > Best regards > Christian > > [1]: I see has expired -- is there interest in having this continued? It > has been valuable so far > > _______________________________________________ > Lwip mailing list > Lwip@ietf.org > https://www.ietf.org/mailman/listinfo/lwip > From nobody Tue Mar 17 13:40:00 2020 Return-Path: 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 5DFD53A0D85; Tue, 17 Mar 2020 13:39:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no 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 iwdaZun1LGHq; Tue, 17 Mar 2020 13:39:53 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7EDE23A0D81; Tue, 17 Mar 2020 13:39:52 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 17 Mar 2020 13:39:41 -0700 From: Jim Schaad To: CC: 'CoRE WG' Date: Tue, 17 Mar 2020 13:39:40 -0700 Message-ID: <01c901d5fc9c$302115b0$90634110$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AdX7DftnVvPEGcneQ0Kb4YY1wBM++w== X-Originating-IP: [73.180.8.170] Archived-At: Subject: [core] Review of draft-ietf-core-oscore-groupcomm-07 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Mar 2020 20:39:59 -0000 * Introduction - para 4 - I think you need to expand some text in this section to explain why it is that doing a pairwise response is still going to be considered to be group communication. This assumes some intimate details of how multicast works in CoRE that might not be generally known. * Section 1.1. - Silent Server: Consider adding the following to the definition "Given that for CoAP group communications, messages are normally sent without requesting a confirmation the idea of a server silently acting on a message is not unreasonable." * Section 2.2 - next to last paragraph s/instead retrieve/retrieve/ * Section 2.2 - last para - this does not make any sense because a server could do a non-reflection response and you would be unable to deal with it. I have not see any text to outlaw this behavior. * Section 2.3 - para #3 - s/from which/with which/ * Section 2.4 - para #3 - The implications of the paragraph are horrendous in terms of performance of the system. It basically says that you need to do some excess processing in order to deal with this issue following a key roll-over. If the first message received cannot be validated by the signature then there is an issue of the question was the message corrupted or was the id assigned to a new entity and thus a new public key is required to be pulled down. * Section 3 - Have you actually done the testing to see if you can do the mapping of EdDSA as suggested here? * Section 3 - are all of these pairwise keys to be tossed away when new keys are issued for the group? * Section 3 - clarity is needed on how PIV is going to work for this. I would assume that it amounts to a separate context but this is not completely clear from the text. * Section 4.3 - s/and one structure/and second structure/ or different structure * Section 7. - Para 2 - I have a problem with the second sentence. I think that you need to make it clear who is supposed to be doing this retransmission. It should not be the CoAP system, but it is instead the application. That means that a new request could be sent rather than a retransmission occurring. * Section 7.1 - Does not reflect the case where pairwise is used. Ditto for other sections. - found it in section 8, but that does not seem to be referenced from section 9 which is "message processing". * Section 7.4.1 - Must send the group identifier on the first observe following a rekey operation to all clients. ---- I am not sure that the group may not be required at all times - We need to discuss why you think this would not be true. Think of the case of two different observe relations from the client to the same server sent using the same pair of ports on both devices but with different groups. * Section 9 - I thought I understood how this is going to work and after reading this I find that I am wrong. I am almost positive that I dislike the compression for sending a request. * Section 9.1.1 - I believe that this is just wrong - I would have thought that this is keep the tag and omit the countersignature. As written you have messed up the AEAD and thus one level of security on this. * Section 10 para 1 - s/as further discussed/as discussed/ * Section 10.1 - should deal with the bilateral version and say that it does not follow these rules. * Section 10.4 s/ block-wire/block-wise/ * Section 10.7 has interesting block-wise implications that need to be explored. 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Thu, 19 Mar 2020 14:52:48 +0000 From: Marco Tiloca To: "core@ietf.org WG (core@ietf.org)" References: <9d6a7350-0b46-fd09-14ab-7e0cf2273acb@ri.se> Cc: alexey.melnikov@isode.com, superuser@gmail.com Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: Date: Thu, 19 Mar 2020 15:52:39 +0100 User-Agent: Mozilla/5.0 (X11; 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SFS:(10009020)(4636009)(39860400002)(346002)(376002)(136003)(366004)(396003)(199004)(52116002)(186003)(5001810100001)(966005)(86362001)(478600001)(16576012)(956004)(36756003)(21480400003)(4326008)(316002)(2616005)(66574012)(16526019)(81156014)(2906002)(8676002)(81166006)(26005)(8936002)(33964004)(235185007)(6916009)(66476007)(44832011)(31696002)(6486002)(53546011)(6666004)(66556008)(66946007)(5660300002)(31686004); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1P189MB0544; H:VI1P189MB0398.EURP189.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; Received-SPF: None (protection.outlook.com: ri.se does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: MfuT5oHwDiN+aUnnALByFsWNr5vn4LAFlu8LXOdkVmfqp62kqbfVJdfyNiQyrZoUstw4Z048qJqffV5VYA95zFDS3KvJiSH08OynlsIe6dlirDyWjxsB/eQxhbW+TslTdezuKJ5qgXRuLA5fHhNivw== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: 2610db86-150b-45f1-097c-08d7cc1530d8 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2020 14:52:48.4027 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +ekU3ubAdWwW4IIE62i6GHyOcQK8d6H3jvsphbjcPNwE44M8HRRMeC2LnbjzkBYAc+Xne+jriCIB1Ztw3fJvLg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0544 Archived-At: Subject: Re: [core] CoRE IETF 107 and interim meetings X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 14:52:55 -0000 --7EYOkG2Jvctgv5GPW0eqUPbwkHbbANgWS Content-Type: multipart/mixed; boundary="oRlp2jRQtb71MVBiKHb0DstVQbwTQPIhd" --oRlp2jRQtb71MVBiKHb0DstVQbwTQPIhd Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hi all, Just a kind reminder, please fill the two Doodle polls below by tomorrow (Friday) EOB. Thanks to those who have done it already! [Session 1 - April 8th] https://doodle.com/poll/xxdmipzt4ft9fbmw [Session 2 - April 16th] https://doodle.com/poll/8txtnupd734fp5iq Best, Marco and Jaime On 2020-03-16 14:36, Marco Tiloca wrote: > Dear all, > > The IESG has suggested a conflict-free schedule for the WGs to hold > virtual meetings. > > Based on the time slots originally scheduled for the face-to-face > meeting, the two suggested days for CoRE are: > > - Wednesday, April 8th > - Thursday, April 16th > > As a replacement for the two IETF 107 sessions, we are currently > planning to schedule a 2 hour time slot for April 8th, and a 1.5 hour > time slot for April 16th. > > For each of the two days, we have created a Doodle poll to indicate the= > ideal time to consider: > > [Session 1 - April 8th] > https://doodle.com/poll/xxdmipzt4ft9fbmw > > [Session 2 - April 16th] > https://doodle.com/poll/8txtnupd734fp5iq > > Please, indicate your preferences separately in the two polls --- and > let us know if none of the options work for you --- by Friday, March > 20th, EOB. > > =C2=A0 > The chairs also plan to schedule bi-weekly virtual interim meetings, > starting from the last week of April. A separate Doodle poll about that= > will follow. > > Marco and Jaime > --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --oRlp2jRQtb71MVBiKHb0DstVQbwTQPIhd-- --7EYOkG2Jvctgv5GPW0eqUPbwkHbbANgWS Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl5zhzcACgkQ7iZktA5Y 2kNiOAf/aotLNQlLekhOpkilAUAWhFpw7vvAuzIDdEvsCAwH/ZWaSa6ihFkIJZ/M 8OKJqvFMcbFZelfJNuxHG1JrkYBbchCWy7d6ZaFW0atbmRTMWEl52eiTY7nGreME dxsNgkj2HHmoWY2ZTmEBzbiIZacwcFf2NG94GxbOzlZXOFfnl+Ku5toWTRgAQUYn 6eFly60IkWtxO4eBK4mZ4btU4MVZGWFlY3PrvaMYL8glmfzIzduOxYfQ8fnHWuZB b/Cv20G7WrdbfqceVZl+GHdqwxGMCX1O3Hga4ZowrJFY6FiFewC5Ye26ggQ/oloQ pRr76kbuEbj8EsQCf1HrXbYInGf0nA== =at6o -----END PGP SIGNATURE----- --7EYOkG2Jvctgv5GPW0eqUPbwkHbbANgWS-- From nobody Thu Mar 19 10:52:42 2020 Return-Path: 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 D37783A0C07 for ; Thu, 19 Mar 2020 10:52:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 r5gxPZQoaD0z for ; Thu, 19 Mar 2020 10:52:37 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1AA7B3A0C05 for ; Thu, 19 Mar 2020 10:52:37 -0700 (PDT) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48jvcz45DTz105K; Thu, 19 Mar 2020 18:52:35 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <7319C97D-D4B4-473C-A65B-5216618E401C@tzi.org> Date: Thu, 19 Mar 2020 18:52:34 +0100 X-Mao-Original-Outgoing-Id: 606333154.461695-1b366b254e095ee98958cf768b257688 Content-Transfer-Encoding: quoted-printable Message-Id: References: <7319C97D-D4B4-473C-A65B-5216618E401C@tzi.org> To: "core@ietf.org WG" X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] Advancing senml-versions X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 17:52:40 -0000 > On 2020-03-06, at 13:18, Carsten Bormann wrote: >=20 > (No chair hat) >=20 > I just submitted draft-bormann-core-senml-versions-01 >=20 > Htmlized: = https://tools.ietf.org/html/draft-bormann-core-senml-versions-01 >=20 > It seems this document is needed to enable = draft-ietf-core-senml-more-units to go forward, resolving the remaining = IESG DISCUSS. >=20 > We haven=E2=80=99t really had a lot of discussion of the approach of = this document outside the discussion of that DISCUSS. Nonetheless, = I=E2=80=99m going to ask the chairs to consider whether this can go = through a working group adoption call now, so we can unlock -more-units, = which is needed by other SDOs. I did, and it seems the chairs want some feedback before issuing a WGA = call. =20 So please do go ahead and feed back. Gr=C3=BC=C3=9Fe, Carsten From nobody Thu Mar 19 11:08:45 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 690C73A0C7B; Thu, 19 Mar 2020 11:08:43 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Alissa Cooper via Datatracker To: "The IESG" Cc: draft-ietf-core-senml-more-units@ietf.org, core-chairs@ietf.org, core@ietf.org, Jaime Jimenez , jaime@iki.fi X-Test-IDTracker: no X-IETF-IDTracker: 6.121.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: Alissa Cooper Message-ID: <158464132341.15748.6617919041098366087@ietfa.amsl.com> Date: Thu, 19 Mar 2020 11:08:43 -0700 Archived-At: Subject: [core] Alissa Cooper's Abstain on draft-ietf-core-senml-more-units-05: (with COMMENT) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 18:08:43 -0000 Alissa Cooper has entered the following ballot position for draft-ietf-core-senml-more-units-05: Abstain When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-core-senml-more-units/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- With everything going on I'm not going to have time to dig into this again before the new IESG is seated, so I've changed my ballot position to abstain. I do not think it is sound to publish this as-is with the reliance on a versioning scheme specified in an individual draft that does not have consensus, but I seem to be the only person who thinks that, so I will not stand in the way of publication. 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Thu, 19 Mar 2020 12:26:01 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: The IESG To: "IETF-Announce" X-Test-IDTracker: no X-IETF-IDTracker: 6.121.0 Auto-Submitted: auto-generated Precedence: bulk Cc: draft-ietf-core-senml-more-units@ietf.org, The IESG , Jaime Jimenez , alexey.melnikov@isode.com, core-chairs@ietf.org, core@ietf.org, rfc-editor@rfc-editor.org, jaime@iki.fi MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-ID: <158464596176.15844.4051726949587954200@ietfa.amsl.com> Date: Thu, 19 Mar 2020 12:26:01 -0700 Archived-At: Subject: [core] Protocol Action: 'Additional Units for SenML' to Proposed Standard (draft-ietf-core-senml-more-units-05.txt) X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 19:26:02 -0000 The IESG has approved the following document: - 'Additional Units for SenML' (draft-ietf-core-senml-more-units-05.txt) as Proposed Standard This document is the product of the Constrained RESTful Environments Working Group. The IESG contact persons are Adam Roach, Alexey Melnikov and Barry Leiba. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-core-senml-more-units/ Technical Summary This very short document essentially creates a sub-registry of derived SenML Units, which will be used by other SDOs. Working Group Summary Most of the discussions on this document dealt with which units to add and the formatting particularities for them. Part of the discussion was too on the authoritative sources for units, and the role of IANA on that. Ultimately the document has gone through multiple expert reviews and has been discussed in multiple IETF meetings. Document Quality Other SDOs are interested in using the new subregistry. Personnel Document Shepherd: Jaime Jiménez. Area Director: Alexey Melnikov. From nobody Thu Mar 19 13:32:33 2020 Return-Path: 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 B5E923A0E91 for ; Thu, 19 Mar 2020 13:32:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no 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 gznDyVmbyI40 for ; Thu, 19 Mar 2020 13:32:27 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 69E8A3A0EFB for ; Thu, 19 Mar 2020 13:32:27 -0700 (PDT) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48jz9P29pRz10FM; Thu, 19 Mar 2020 21:32:25 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: Date: Thu, 19 Mar 2020 21:32:23 +0100 Cc: "core@ietf.org WG" X-Mao-Original-Outgoing-Id: 606342743.922213-52db6a64e981364d2dbdc735fac67664 Content-Transfer-Encoding: quoted-printable Message-Id: <40167251-E8D7-4943-8A7D-35BB4970133F@tzi.org> References: <7319C97D-D4B4-473C-A65B-5216618E401C@tzi.org> To: Thomas Fossati X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] Advancing senml-versions X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 20:32:31 -0000 > For the benefit of those who haven't followed the IESG ballot closely, > could you please elaborate on how Alissa's shift from DISCUSS to = ABSTAIN > on senml-more-units changes the outlook on senml-versions? I don=E2=80=99t have the whole story yet, but more-units was approved = today, so this takes the pressure out of moving forward with -versions. = Still, the remaining problem to be solved here is small but real, and we = should check whether -versions is the right way to do that. And Alissa has a point here, so we should take our liability to solve = that quite seriously. (Ari pointed out to me that it would be nice to have -versions as a WG = document before more-units is published, which has -versions as an = informative reference. But that is a nice-to-have.) Gr=C3=BC=C3=9Fe, Carsten From nobody Thu Mar 19 13:39:45 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 7BC113A0F12; Thu, 19 Mar 2020 13:39:42 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.121.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158465038238.15678.2330839885542735749@ietfa.amsl.com> Date: Thu, 19 Mar 2020 13:39:42 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-senml-more-units-06.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 20:39:44 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : Additional Units for SenML Author : Carsten Bormann Filename : draft-ietf-core-senml-more-units-06.txt Pages : 9 Date : 2020-03-19 Abstract: The Sensor Measurement Lists (SenML) media type supports the indication of units for a quantity represented. This short document registers a number of additional unit names in the IANA registry for Units in SenML. It also defines a registry for secondary units that cannot be in SenML's main registry as they are derived by linear transformation from units already in that registry. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-senml-more-units/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-senml-more-units-06 https://datatracker.ietf.org/doc/html/draft-ietf-core-senml-more-units-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-senml-more-units-06 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Thu Mar 19 13:46:57 2020 Return-Path: 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 2B7323A0F45 for ; Thu, 19 Mar 2020 13:46:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 6Ksg_UK5Niiy for ; Thu, 19 Mar 2020 13:46:50 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EF8603A0F27 for ; Thu, 19 Mar 2020 13:46:44 -0700 (PDT) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48jzTv1nbxz1052; Thu, 19 Mar 2020 21:46:43 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <158465038238.15678.2330839885542735749@ietfa.amsl.com> Date: Thu, 19 Mar 2020 21:46:42 +0100 X-Mao-Original-Outgoing-Id: 606343602.070901-b828cb99837754dbd32ed890b2985a70 Content-Transfer-Encoding: quoted-printable Message-Id: References: <158465038238.15678.2330839885542735749@ietfa.amsl.com> To: "core@ietf.org WG" X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] I-D Action: draft-ietf-core-senml-more-units-06.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 20:46:55 -0000 In case you wonder: These were the last edits based on IESG comments = (which I didn=E2=80=99t submit because I was waiting for possible = additional edits coming from the DISCUSS to clear), plus two more = secondary units that had been requested in the meantime. I made the mistake of submitting the (RFCXMLv3) XML only, so the = formatted text looks different in a few places because of the v3 = processing rules. Sorry about that. I=E2=80=99m sure the RFC editor = will fix this. Gr=C3=BC=C3=9Fe, Carsten > On 2020-03-19, at 21:39, internet-drafts@ietf.org wrote: >=20 >=20 > A New Internet-Draft is available from the on-line Internet-Drafts = directories. > This draft is a work item of the Constrained RESTful Environments WG = of the IETF. >=20 > Title : Additional Units for SenML > Author : Carsten Bormann > Filename : draft-ietf-core-senml-more-units-06.txt > Pages : 9 > Date : 2020-03-19 >=20 > Abstract: > The Sensor Measurement Lists (SenML) media type supports the > indication of units for a quantity represented. This short document > registers a number of additional unit names in the IANA registry for > Units in SenML. It also defines a registry for secondary units that > cannot be in SenML's main registry as they are derived by linear > transformation from units already in that registry. >=20 >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-core-senml-more-units/ >=20 > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-core-senml-more-units-06 > = https://datatracker.ietf.org/doc/html/draft-ietf-core-senml-more-units-06 >=20 > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-core-senml-more-units-06 >=20 >=20 > Please note that it may take a couple of minutes from the time of = submission > until the htmlized version and diff are available at tools.ietf.org. >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 >=20 > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core From nobody Fri Mar 20 01:37:19 2020 Return-Path: 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 38F9C3A00D5 for ; Fri, 20 Mar 2020 01:37:17 -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 (1024-bit key) header.d=gmx.net 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 l8Xoo-PW1rYI for ; Fri, 20 Mar 2020 01:37:11 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.15.19]) (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 B898B3A0042 for ; Fri, 20 Mar 2020 01:37:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1584693413; bh=5iFbmiZPLEiYcE9dr/YLjl2kZZZXhOILvFdHrXBEjxQ=; h=X-UI-Sender-Class:To:From:Subject:Date; b=KMBqsZ3D1Fs26HtK/FtLIHwd/JsNbBSCx8UkGvmD1qR4LAmkdbs2ltLkw1WTYxfAB 77/ScM4fptF39decOnmYonVkA9kHEoOdy9Cg8hIH6ioQoHar6fktjwhiMdlp/ULaYu C5HY2yxALshItWy9Sdmq86pTsX1WVqPgItjHkH/A= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.178.45] ([94.216.255.203]) by mail.gmx.com (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MMXUD-1ixPiF3shT-00JaD9 for ; Fri, 20 Mar 2020 09:36:53 +0100 To: "core@ietf.org" From: Achim Kraus Message-ID: <1492100a-361b-d2ca-e1a1-f8086dfa858f@gmx.net> Date: Fri, 20 Mar 2020 09:36:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:1TEarTZQOb2Y0pw+qGG35CbBvgFBPwuSdZ4XyoacgnMXzGdlvCt 9B8bwuiepQz1Q3Vbrf+hj4SkZGvU4YuyFkn1ZKErZycLNyQ2VkZ4/fD6JCKqPk5vBzuC+vo Dskug42W0uItgu9O3vM3fnu+fU1YyFTV8splel0DQyN3IvUJQGkTWB6U4AGsMhBvYRDBN1U Jfa3HsuKxgAHcUpd5cjUA== X-UI-Out-Filterresults: notjunk:1;V03:K0:sHYbk2kyKj4=:4W5KPt6TBMmTJalyCl+i+h tcvNxP5MaSnPqp3PGsJeUFUV7zylKGAxHD4RkgFQkkEb54s4/rYmR3oejkqYKk9LlLgcuauFU kLHhkXdykl6oXj3uRNQbYx9jNeWV65RfpHyYxZg3HS6nhO5oatGm0Xmjiw8asrR2BVHTWUgxB IvJjP/x1o3zRUkfzlk3mGoid6USFK9Jw5cMglQPkUDweuSeeUfhCdHF04M+Q5Wh8Dd8O16zY+ SBzTHTGbmuYUQRi2zmD4aFq5Zd6r2IbeaH59Lgfi+PgkLSfLudnmYySiTpY5mcpju2XDj8+sV rvDxYmiJhxFtQC8eUsNmsujo3iDKEnT2Nf0E2gaP+s3lOxMf0dj5LS2WrBIQo1HoESY9hqpOt bEFVHGfxigEg+80eYbEEH8Zx0BTbeC5qVFmeI3C/jkoRDxOpUk+Rm5fSn9n5D/h3fj6SfPnhv xy3k2bpKFy0c13QjMTacKL1qKpE3OTKX0J030PTbL68mHYsZU/gqTdzUNKpcsR14ScbtbQdsU tIp9zgFhybRQK+Kec9DAmTHdMvIfNTNwuJrw+9664DqtoDxzrnXbrdY6PVSHAqZkk7WLa21cB tAl5wKT+iXhVHQZQZypl+mGwLsE+SX/W2vvlaaJhq0whglKOrvjaVY9MZt24nvsJ6HY6aCvmJ DPXmPgQA71SarHx6M+OuelJIwOiDs4LH7h4qpMYa/Z1lajcmGAyfK3kvRg0VeenwpQherSSbX hPIFKcempXMoHVVN0nWpBtb57g8+I4JB3Mh9oZld7rmrMrDe7dId1OFZGmgLfpQwUzX3LF0sx 79xKDAEBIPfQrsXZPS+ndy/da5N1dJMW9h/wfGEot7AFFpvE49KBdBGUQGtohJj0JRoHGnVQF HusuZY04dQmtbp/6Do/UsEohWrt5aA9zZNkNZ5Gfw5jw4VC5O1XBaStguvzhNZsMhYgzuqA6m 5svh0UKKnKpqJoYOWARrXEVtSsr3tBUCTYU0XJEz9eeZZo0/7JInGesv95v12+IYSDL4vwzbM osZzy++IFz9DgsAPMU+4pls4Gq8u+HTZ5ItYIv7x0qd34Ba+VHZfvZOrcnsrBVHYCbS3HfY7Q jHeskW1iLVD+X7u6bDwUY/RtdLkvOy3E1SWWQkyya4tEr8XBG5BMoPUtJRctqQgHLsXjHnHKK g7aR9zc+NDvwMZPUTrh8qJ9R75vyE84s5XJaca7vw1dyHtC1OUcB+/XHTrNyaHjRa+io3AmiT asZB2uNgIsBf587KD Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Mar 2020 08:37:18 -0000 Hello list, the draft "draft-dijk-core-groupcomm-bis-03" mention in 2.1 Group Definition "An endpoint may be a member of multiple CoAP groups by subscribing to multiple IP multicast groups." At least for java, we (Eclipse Californium) didn't find a way for the server-side, to determine, for which multicast group the message was received. We even didn't find a way to distinguish on the server-side, if the message was received through a multicast group or uni-cast address. An approach, which uses "many ports", and so different endpoints, has it's downsides (the document mentions them). To overcome that for a "private deployment", I started to use the "Uri-Host" option to send he destination "multicast group" as convention. Maybe, if group communication gets more elaborated, the core wg consider to spend a specific (new) option "multicast-group" in order to make it easier/possible, to implement a proper server-side. best regards Achim Kraus From nobody Fri Mar 20 02:49:10 2020 Return-Path: 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 6A3223A0780 for ; Fri, 20 Mar 2020 02:49:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.889 X-Spam-Level: X-Spam-Status: No, score=-1.889 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01] autolearn=ham autolearn_force=no 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 0bXKY6QfftxD for ; Fri, 20 Mar 2020 02:49:02 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C87973A0141 for ; Fri, 20 Mar 2020 02:49:02 -0700 (PDT) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48kJrS3RqkzyPH; Fri, 20 Mar 2020 10:48:56 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <1492100a-361b-d2ca-e1a1-f8086dfa858f@gmx.net> Date: Fri, 20 Mar 2020 10:48:56 +0100 Cc: "core@ietf.org" X-Mao-Original-Outgoing-Id: 606390535.8655699-8644686bca32d6fcf56ea994a35c626d Content-Transfer-Encoding: quoted-printable Message-Id: References: <1492100a-361b-d2ca-e1a1-f8086dfa858f@gmx.net> To: Achim Kraus X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Mar 2020 09:49:10 -0000 On 2020-03-20, at 09:36, Achim Kraus wrote: >=20 > At least for java, we (Eclipse Californium) didn't find a way for the > server-side, to determine, for which multicast group the message was > received. A workaround for less capable platforms has always been to open multiple = sockets, one for each address. Would that work here, too? Gr=C3=BC=C3=9Fe, Carsten From nobody Fri Mar 20 08:44:13 2020 Return-Path: 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 705033A00C9; Fri, 20 Mar 2020 08:44:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.615 X-Spam-Level: X-Spam-Status: No, score=-1.615 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.274, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01] autolearn=no autolearn_force=no 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 4qOnA8TxKhvt; Fri, 20 Mar 2020 08:44:02 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DAB543A0A4F; Fri, 20 Mar 2020 08:43:43 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 20 Mar 2020 08:43:36 -0700 From: Jim Schaad To: CC: 'CoRE WG' Date: Fri, 20 Mar 2020 08:43:33 -0700 Message-ID: <037401d5fece$525c33b0$f7149b10$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AdX8vLxH2E/lCjsaSCe5MKIBwZ9JCA== X-Originating-IP: [73.180.8.170] Archived-At: Subject: [core] Review of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Mar 2020 15:44:12 -0000 I need still need to review your response to my last review. This is a clean review from scratch without reference to my prior one. Jim * General - Feel free to ignore this, but I far prefer positive rather than negative protocol requirements. Thus in section 2.3.5 - "MUST respond to this request and not suppress it". Negative statements are difficult to test, did you cover every single condition? * Section 2.1, para 3 - are application groups only those which provide the resources or do they also include those which use the resources? It is not clear from the text which is true. * Section 2.1, para 4 - does this mean that a group of CoAP servers which are not in a multicast URI (i.e. not a Group URI) then they cannot be part of an application group? This could be a scoping issue where the problem is that for me Group Communication does not necessarily equal Multicast Communication. Think in terms of pub-sub as an alternate backbone. Another alternative for this is Anycast where you send a message and you don't know which server it is going to but they are still treated as a group. If the issue is scoping then expand some discussion about this in the introduction. * Section 2.1, para 5 - I think I understand what you are trying to say here, however based on the definition of a CoAP group a security group would likely include endpoints which are not in a CoAP group. This makes the one-to-one concept a bit difficult to grok. * Section 2.1, para 5 - If application groups are really designed to be non-intersecting, that needs to be part of the definition of an application group in the previous paragraphs. I would be surprised if a resource could not be part of two different application groups so I think this is an incorrect statement. * Section 2.1, para 6 - If I read the definitions correctly, then this requires that each of the first two items could be empty. That is a message sent by a client endpoint does not have either an application group or a CoAP group. The target it is sending the message to has those properties however. * Section 2.1, Figure 2 - I think it would be reasonable to place "Cli2" into security group 2 as well to show that clients can be in multiple security groups. * Section 2 - you need to put a qualifier for "Group" on all of the title fields and probably on every usage in the document. I think you need to create a new term to cover the "This is more than one" group * Section 2.2.4 para 2 - the last clause appears to be a repeat * Section 2.2.4 - does not cover application group maintenance * Section 2.3.4 - In the bullet that says requests are non-confirmable, I think it would be reasonable to say that a server SHOULD treat a confirmable request as if it where non-confirmable. * Section 2.3.4 - last bullet - I don't know how IPv6 multicast works, but does this mean that a CoAP group may want to advertise itself at different scopes so that a client can work its way up from interface-local to organization-local? Looks like a pointer to 2..1 w/ a sentence would be useful here. * Section 2.3.5 - para - I am not sure that you can use the same token for both the multicast and the unicast observe request. It is going to make a difference in terms of the sending port that is used by the client. Otherwise there is the potential that you could get messed up on the code which deals with token cancelations in the event that the unicast server does not honor the observe request. * Section 5.2.1 s/paralizing/paralyzing/ * Section 5..3 - s/Group OSCORE prevents to effectively mount/ ???? I don't know what this means s/Group OSCORE prevents to make any/ ??? 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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB4125 Archived-At: Subject: Re: [core] Advancing senml-versions X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Mar 2020 18:32:13 -0000 SGkgQ2Fyc3RlbiwNCg0KT24gMTkvMDMvMjAyMCwgMjA6MzIsICJDYXJzdGVuIEJvcm1hbm4iIDxj YWJvQHR6aS5vcmc+IHdyb3RlOg0KPiA+IEZvciB0aGUgYmVuZWZpdCBvZiB0aG9zZSB3aG8gaGF2 ZW4ndCBmb2xsb3dlZCB0aGUgSUVTRyBiYWxsb3QNCj4gPiBjbG9zZWx5LCBjb3VsZCB5b3UgcGxl YXNlIGVsYWJvcmF0ZSBvbiBob3cgQWxpc3NhJ3Mgc2hpZnQgZnJvbQ0KPiA+IERJU0NVU1MgdG8g QUJTVEFJTiBvbiBzZW5tbC1tb3JlLXVuaXRzIGNoYW5nZXMgdGhlIG91dGxvb2sgb24NCj4gPiBz ZW5tbC12ZXJzaW9ucz8NCj4NCj4gSSBkb24ndCBoYXZlIHRoZSB3aG9sZSBzdG9yeSB5ZXQsIGJ1 dCBtb3JlLXVuaXRzIHdhcyBhcHByb3ZlZCB0b2RheSwNCj4gc28gdGhpcyB0YWtlcyB0aGUgcHJl c3N1cmUgb3V0IG9mIG1vdmluZyBmb3J3YXJkIHdpdGggLXZlcnNpb25zLg0KPiBTdGlsbCwgdGhl IHJlbWFpbmluZyBwcm9ibGVtIHRvIGJlIHNvbHZlZCBoZXJlIGlzIHNtYWxsIGJ1dCByZWFsLCBh bmQNCj4gd2Ugc2hvdWxkIGNoZWNrIHdoZXRoZXIgLXZlcnNpb25zIGlzIHRoZSByaWdodCB3YXkg dG8gZG8gdGhhdC4NCg0KVGhhbmsgeW91IGZvciB0aGUgaW5mby4NCg0KPiBBbmQgQWxpc3NhIGhh cyBhIHBvaW50IGhlcmUsIHNvIHdlIHNob3VsZCB0YWtlIG91ciBsaWFiaWxpdHkgdG8gc29sdmUN Cj4gdGhhdCBxdWl0ZSBzZXJpb3VzbHkuDQoNCk9LLCBJJ2xsIGhhdmUgYSBsb29rIGF0IHRoZSBk b2N1bWVudCBhcyB3ZWxsIGFzIHRvIHRoZSBJRVNHIHByb2Nlc3NpbmcNCnRyYWlsIHRoZW4uDQoN CkNoZWVycywgdA0KLS0NCg0KSU1QT1JUQU5UIE5PVElDRTogVGhlIGNvbnRlbnRzIG9mIHRoaXMg ZW1haWwgYW5kIGFueSBhdHRhY2htZW50cyBhcmUgY29uZmlkZW50aWFsIGFuZCBtYXkgYWxzbyBi ZSBwcml2aWxlZ2VkLiBJZiB5b3UgYXJlIG5vdCB0aGUgaW50ZW5kZWQgcmVjaXBpZW50LCBwbGVh c2Ugbm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRpYXRlbHkgYW5kIGRvIG5vdCBkaXNjbG9zZSB0aGUg Y29udGVudHMgdG8gYW55IG90aGVyIHBlcnNvbiwgdXNlIGl0IGZvciBhbnkgcHVycG9zZSwgb3Ig c3RvcmUgb3IgY29weSB0aGUgaW5mb3JtYXRpb24gaW4gYW55IG1lZGl1bS4gVGhhbmsgeW91Lg0K From nobody Fri Mar 20 12:00:06 2020 Return-Path: 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 3BDE23A0C32 for ; Fri, 20 Mar 2020 12:00:00 -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 (1024-bit key) header.d=gmx.net 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 xR7cAqRc1BNG for ; Fri, 20 Mar 2020 11:59:58 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (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 5FFCF3A0BF6 for ; Fri, 20 Mar 2020 11:59:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1584730789; bh=LHhPHy2gXyQoEMMNWh1Sdm3Y7cAhKXl0x1WmjbQpgqI=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=KkRf5xX4vUuUyJPufbW3j1aH4EIVvjsgAoERBVsNvP4712QmzXTABj/pfc2jDOCUT 6Trds/X9tKGZPBm7jYyH+8U3LmNqmI8JuV2Ga6/0CLVoXYbS3aac6JJ8/A3fmUDM3N pJpToEIVp2Scfr+iM6c4HEB2akJZrpHHH0F/ujBc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.178.45] ([94.216.255.203]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N1OXT-1jQtEl3wbb-012rbS; Fri, 20 Mar 2020 19:59:49 +0100 To: Carsten Bormann Cc: "core@ietf.org" References: <1492100a-361b-d2ca-e1a1-f8086dfa858f@gmx.net> From: Achim Kraus Message-ID: <2ef966c3-5198-0c56-5fd0-f10ac6a718e1@gmx.net> Date: Fri, 20 Mar 2020 19:59:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: de-AT-frami Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:InU6r/SsDiRyV+YzzxzpQGmeOWDAu/ZjPKb427E4tJlZAZWfNld iDm0agfDI22z9mGVQVPkLv2gQnzBG5Uld2+TleE1Mza8+c9422tMD/Z9RCm/M+WACaCoXd8 BEEtBX0X/LAl2V6Wf2fLUknVHq1UuhjhHKv4x3Qr5ihUlMKwkuK0vqH/Y3+0Iu8iK9BH3W/ FsZs5snaKwxOzSge32/6g== X-UI-Out-Filterresults: notjunk:1;V03:K0:JFxYkAGm18A=:0BOQMxooSIMAO9ttn+evUH 3OvKiYAESSChCR56/7xGsD726QGX59Masnz5bqkJYiIHWI+1iP3FgiBFDvzAyy99ktMicfx5C 77b8Asy46RD9AZ5S0KszRdzn5wDs7WUTr/mpDaE0kk6ZK5c5n/sH45IMfGWg9/2eV8202X0pu jqOta0Gel0gV8PfhPYPTaFTNz4ifZiR/aFMz73dR+lKKnTW9yqpfAIau2JJedfAs6mgJUaWeR wqUVetosipXy8cRWiMTqGYO9kCDLT3ZSoNbEg3sjS4TT+ZbBRdMFLIZtoHAkqGj5nV0EryurS FgB44unMvjKZmDOraaZ0YldTQ1qbZsJr+AmwpWJ8IiBuJKoLTnujK+vEXjB32YU2tvjL+1gab rQD3+p23rzR8OdcxoQveEdibiciBUGEQB7fyjbWVNhYVxhPG2PIeAmXTyy+bO8NBKmnQ1rG7U 6bNvGZrMDY69o8gM5Dam3IhSSZPhRHw6oPxAHBT6NYVuHrBvf65A5PKJSRMH8k0MUM0zDjAQB 1uNFmBRolIiOT/EnCbaxkdPCBjAV+bYYIx2UuF8EUj5NZPr0dbpwIIJveQFq1B0yhi5zrcrRk fLghjx1URi6DvLldlHipEGTHXkkT6IShao8IrFb3XFjeHFK5ze6a7zrH0PTegXqfFfr3P6VYN pAkGSUaDeeZnTKw7bhbdZbEEU+bmQ5azutaWmg30XSC7vyhsinMgN3QRJwfVDNuVLrhOZi+lE M5D9agYEZKNtmVRWBvDCc4LaTcnrQ27Jr/asyEHSELr6cdSQ/zETDXedDXQ5eLOOs3Ps1hoYu w2FSrRY/AAsYjAGVoBBZ1rCLgxiDJwRlmMP9LakfYGVLZ5w4Y+lF5JZ2kNj97FrW8E/xgAJUe V6ujJaWattKQvf+onG8iCRqsY30iVYbCawa+JJzkZHF7cL2RAtna+Gc2HerlRkG282LrjHo+F CXtfHcSuTZvk9G0dmELRxqMhL8H1nJ73At/nh9ZIxf6ynNL4MzNioh+FfVMnDs0iEkrmmpZ35 eQBZKwD18D6V3pp5yfn4g25b53mat3GTwZGuRv0iIT0gh5yOD3AqueU1K3UivsdMddYbfRAXI D2sn/CbNaVBriU+M4CyWSw7FUMiWbLA+k/XL6E0j0DWA+GHi1p4/KllPaqf84JZyWLL74LBNq Iyv9WUzBqe+tl+DxWlH+wuJCgvxn+1Gye+QDzXCaJC5w+J54ev3KkrL8PkLCQ+ibkOm4Doers tT7uyrL1mA8fkRmj/ Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Mar 2020 19:00:04 -0000 Hi Carsten, let me first also thank you very much for your work over the past 10 years (and now even 10 more days ;-) )! > A workaround for less capable platforms has always been to open multiple sockets, one for each address. Would that work here, too? To distinguish between multicast groups, yes (with some of the downsides mentioned in the draft). To distinguish between multicast and uni-cast, I can't see, that this is working. One of my impression working with java-multicast is, that it depends a little more on the OS implementations. Therefore an option seems for me to be the easier approach. Anyway, lets see, if other implementations have also their trouble implementing it. best regards Achim Am 20.03.20 um 10:48 schrieb Carsten Bormann: > On 2020-03-20, at 09:36, Achim Kraus wrote: >> >> At least for java, we (Eclipse Californium) didn't find a way for the >> server-side, to determine, for which multicast group the message was >> received. > > A workaround for less capable platforms has always been to open multiple= sockets, one for each address. Would that work here, too? > > Gr=C3=BC=C3=9Fe, Carsten > From nobody Fri Mar 20 21:21:59 2020 Return-Path: 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 5E09B3A1155; Fri, 20 Mar 2020 21:21:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 DVcfQYBPxdF4; Fri, 20 Mar 2020 21:21:32 -0700 (PDT) Received: from rfc-editor.org (rfc-editor.org [4.31.198.49]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 36D603A1152; Fri, 20 Mar 2020 21:21:32 -0700 (PDT) Received: by rfc-editor.org (Postfix, from userid 30) id 5078DF40713; Fri, 20 Mar 2020 21:21:26 -0700 (PDT) To: ietf-announce@ietf.org, rfc-dist@rfc-editor.org X-PHP-Originating-Script: 1005:ams_util_lib.php From: rfc-editor@rfc-editor.org Cc: rfc-editor@rfc-editor.org, drafts-update-ref@iana.org, core@ietf.org Content-type: text/plain; charset=UTF-8 Message-Id: <20200321042126.5078DF40713@rfc-editor.org> Date: Fri, 20 Mar 2020 21:21:26 -0700 (PDT) Archived-At: Subject: [core] =?utf-8?q?RFC_8768_on_Constrained_Application_Protocol_?= =?utf-8?q?=28CoAP=29_Hop-Limit_Option?= X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Mar 2020 04:21:35 -0000 A new Request for Comments is now available in online RFC libraries. RFC 8768 Title: Constrained Application Protocol (CoAP) Hop-Limit Option Author: M. Boucadair, T. Reddy.K, J. Shallow Status: Standards Track Stream: IETF Date: March 2020 Mailbox: mohamed.boucadair@orange.com, kondtir@gmail.com, supjps-ietf@jpshallow.com Pages: 8 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-core-hop-limit-07.txt URL: https://www.rfc-editor.org/info/rfc8768 DOI: 10.17487/RFC8768 The presence of Constrained Application Protocol (CoAP) proxies may lead to infinite forwarding loops, which is undesirable. To prevent and detect such loops, this document specifies the Hop-Limit CoAP option. This document is a product of the Constrained RESTful Environments Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC From nobody Sat Mar 21 00:34:35 2020 Return-Path: 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 499913A0BEB for ; Sat, 21 Mar 2020 00:34:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 cOfJCgeGzpUa for ; Sat, 21 Mar 2020 00:34:29 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3FF953A0BD8 for ; Sat, 21 Mar 2020 00:34:24 -0700 (PDT) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48kspk4YTkzyss; Sat, 21 Mar 2020 08:34:22 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <20200321042126.5078DF40713@rfc-editor.org> Date: Sat, 21 Mar 2020 08:34:22 +0100 X-Mao-Original-Outgoing-Id: 606468861.952836-5551bb0088b3c26971f2d69b904e1808 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20200321042126.5078DF40713@rfc-editor.org> To: "core@ietf.org WG" X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] RFC 8768 on Constrained Application Protocol (CoAP) Hop-Limit Option X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Mar 2020 07:34:35 -0000 Congratulations for the publication of the 13th RFC from this WG! The original -00 was submitted 2018-08-16, so it took a bit more than = 1=C2=BD years to get this published (initial submission to approval was = 2018-08-16 to 2019-11-26, so 1=C2=BC years). This CoRE RFC is notable in that it originated in a non-IoT WG, the DOTS = WG (DDoS Open Threat Signaling). I think there was some room for = improvement in how we(*) handled this, but we did succeed, and in a time = frame that is still quite reasonable. Thanks to the authors for bringing this to the CoRE WG! Gr=C3=BC=C3=9Fe, Carsten (*) I think I can say that because it=E2=80=99s mostly me that is to = blame here, and I am optimistic the current chairs can be better than my = contribution at the time was... > On 2020-03-21, at 05:21, rfc-editor@rfc-editor.org wrote: >=20 > A new Request for Comments is now available in online RFC libraries. >=20 >=20 > RFC 8768 >=20 > Title: Constrained Application Protocol (CoAP)=20 > Hop-Limit Option=20 > Author: M. Boucadair,=20 > T. Reddy.K, > J. Shallow > Status: Standards Track > Stream: IETF > Date: March 2020 > Mailbox: mohamed.boucadair@orange.com,=20 > kondtir@gmail.com,=20 > supjps-ietf@jpshallow.com > Pages: 8 > Updates/Obsoletes/SeeAlso: None >=20 > I-D Tag: draft-ietf-core-hop-limit-07.txt >=20 > URL: https://www.rfc-editor.org/info/rfc8768 >=20 > DOI: 10.17487/RFC8768 >=20 > The presence of Constrained Application Protocol (CoAP) proxies may > lead to infinite forwarding loops, which is undesirable. To prevent > and detect such loops, this document specifies the Hop-Limit CoAP > option. >=20 > This document is a product of the Constrained RESTful Environments = Working Group of the IETF. >=20 > This is now a Proposed Standard. >=20 > STANDARDS TRACK: This document specifies an Internet Standards Track > protocol for the Internet community, and requests discussion and = suggestions > for improvements. Please refer to the current edition of the Official > Internet Protocol Standards (https://www.rfc-editor.org/standards) for = the=20 > standardization state and status of this protocol. Distribution of = this=20 > memo is unlimited. >=20 > This announcement is sent to the IETF-Announce and rfc-dist lists. > To subscribe or unsubscribe, see > https://www.ietf.org/mailman/listinfo/ietf-announce > https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist >=20 > For searching the RFC series, see https://www.rfc-editor.org/search > For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk >=20 > Requests for special distribution should be addressed to either the > author of the RFC in question, or to rfc-editor@rfc-editor.org. = Unless > specifically noted otherwise on the RFC itself, all RFCs are for > unlimited distribution. >=20 >=20 > The RFC Editor Team > Association Management Solutions, LLC >=20 > _______________________________________________ > IETF-Announce mailing list > IETF-Announce@ietf.org > https://www.ietf.org/mailman/listinfo/ietf-announce From nobody Mon Mar 23 00:18:46 2020 Return-Path: X-Original-To: core@ietfa.amsl.com Delivered-To: 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2020 08:18:39 +0100 (CET) From: To: Carsten Bormann CC: "dots@ietf.org" , "core@ietf.org" Thread-Topic: [core] RFC 8768 on Constrained Application Protocol (CoAP) Hop-Limit Option Thread-Index: AQHV/zh0o79CF5P8k0SY1cBIdSPMTKhSlxIAgAMvPRA= Date: Mon, 23 Mar 2020 07:18:39 +0000 Message-ID: <787AE7BB302AE849A7480A190F8B93303147B5EA@OPEXCAUBMA2.corporate.adroot.infra.ftgroup> References: <20200321042126.5078DF40713@rfc-editor.org> In-Reply-To: Accept-Language: fr-FR, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.114.13.247] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Archived-At: Subject: Re: [core] RFC 8768 on Constrained Application Protocol (CoAP) Hop-Limit Option X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 wDsBPUzxNijK; Mon, 23 Mar 2020 00:24:31 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DCAE63A0861; Mon, 23 Mar 2020 00:24:30 -0700 (PDT) Received: from [192.168.217.147] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48m5VN72DZzyws; Mon, 23 Mar 2020 08:24:28 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <787AE7BB302AE849A7480A190F8B93303147B5EA@OPEXCAUBMA2.corporate.adroot.infra.ftgroup> Date: Mon, 23 Mar 2020 08:24:28 +0100 Cc: "dots@ietf.org" , "core@ietf.org" X-Mao-Original-Outgoing-Id: 606641068.7406729-4bfbbd449e01cb3ffb1965fa5bb8b5cc Content-Transfer-Encoding: quoted-printable Message-Id: <02223369-0FA8-4B77-B64D-732911C936BE@tzi.org> References: <20200321042126.5078DF40713@rfc-editor.org> <787AE7BB302AE849A7480A190F8B93303147B5EA@OPEXCAUBMA2.corporate.adroot.infra.ftgroup> To: mohamed.boucadair@orange.com X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] RFC 8768 on Constrained Application Protocol (CoAP) Hop-Limit Option X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Mar 2020 07:24:34 -0000 On 2020-03-23, at 08:18, mohamed.boucadair@orange.com wrote: >=20 > There was a point raised during the publication of this RFC: HTTP = option encapsulating CoAP ones. I hope that someone can take that work.=20= It=E2=80=99s on my to-do list. Anyone who wants to help? Gr=C3=BC=C3=9Fe, Carsten From nobody Mon Mar 23 05:45:03 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 85B203A040C; Mon, 23 Mar 2020 05:45:01 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Meeting Session Request Tool To: Cc: marco.tiloca84@gmail.com, core@ietf.org, aamelnikov@fastmail.fm, core-chairs@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.122.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158496750145.20960.9994457116287253301@ietfa.amsl.com> Date: Mon, 23 Mar 2020 05:45:01 -0700 Archived-At: Subject: [core] core - New Interim Meeting Request X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Mar 2020 12:45:02 -0000 A new interim meeting request has just been submitted by Marco Tiloca. This request requires approval by the Area Director of the Applications and Real-Time Area The meeting can be approved here: https://datatracker.ietf.org/meeting/interim/request/interim-2020-core-01 --------------------------------------------------------- Working Group Name: Constrained RESTful Environments Area Name: Applications and Real-Time Area Session Requester: Marco Tiloca Meeting Type: Virtual Meeting Session 1: Date: 2020-04-08 Start Time: 15:00 Europe/Stockholm Duration: 02:00 Remote Participation Information: https://ietf.webex.com/webappng/sites/ietf/meeting/info/12f03cd44d7d4079b925586135df03ee Agenda Note: --------------------------------------------------------- From nobody Mon Mar 23 05:46:50 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 8051A3A043D; Mon, 23 Mar 2020 05:46:47 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Meeting Session Request Tool To: Cc: aamelnikov@fastmail.fm, core-chairs@ietf.org, core@ietf.org, marco.tiloca84@gmail.com X-Test-IDTracker: no X-IETF-IDTracker: 6.122.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158496760744.20998.169408079115809019@ietfa.amsl.com> Date: Mon, 23 Mar 2020 05:46:47 -0700 Archived-At: Subject: [core] core - New Interim Meeting Request X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Mar 2020 12:46:48 -0000 A new interim meeting request has just been submitted by Marco Tiloca. This request requires approval by the Area Director of the Applications and Real-Time Area The meeting can be approved here: https://datatracker.ietf.org/meeting/interim/request/interim-2020-core-02 --------------------------------------------------------- Working Group Name: Constrained RESTful Environments Area Name: Applications and Real-Time Area Session Requester: Marco Tiloca Meeting Type: Virtual Meeting Session 1: Date: 2020-04-16 Start Time: 15:00 Europe/Stockholm Duration: 01:30 Remote Participation Information: https://ietf.webex.com/webappng/sites/ietf/meeting/info/1ccf8929f40d4ff2a6ff4a6b46521a12 Agenda Note: --------------------------------------------------------- From nobody Mon Mar 23 10:22:07 2020 Return-Path: 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 AECD23A0D2B for ; Mon, 23 Mar 2020 10:21:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com 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TWF5YmUsIGlmIGdyb3VwIGNvbW11bmljYXRpb24gZ2V0cyBtb3JlIGVsYWJvcmF0ZWQsIHRoZSBj b3JlIHdnIGNvbnNpZGVyDQp0byBzcGVuZCBhIHNwZWNpZmljIChuZXcpIG9wdGlvbiAibXVsdGlj YXN0LWdyb3VwIiBpbiBvcmRlciB0byBtYWtlIGl0DQplYXNpZXIvcG9zc2libGUsIHRvIGltcGxl bWVudCBhIHByb3BlciBzZXJ2ZXItc2lkZS4NCg0KYmVzdCByZWdhcmRzDQpBY2hpbSBLcmF1cw0K DQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KY29yZSBt YWlsaW5nIGxpc3QNCmNvcmVAaWV0Zi5vcmcNCmh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4v bGlzdGluZm8vY29yZQ0K From nobody Tue Mar 24 05:01:49 2020 Return-Path: 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 3CFCD3A0928 for ; Tue, 24 Mar 2020 05:01:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 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, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=gmx.net 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 yuxXmaPE23h7 for ; Tue, 24 Mar 2020 05:01:45 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (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 000363A090D for ; Tue, 24 Mar 2020 05:01:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1585051299; bh=5a7hXbng4YTb4Jv26BMR9/ue0zCHfLvLYnEthyPsCSo=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=OCRCk+NQo/dOUgK6wOlgnCMtUqq8IDrPZQYLUp7Xzh6DZesDgShJe5zoueTlpIxMR mju2h5TE17pgjEqbxdqUuhiqvZdWcLKSVcPfJifegHYQPU+JiiNz1yAoId/LtVB6Fr 1spU6IzywmBynEQJRS5xrqQLR9Wy4+dd78ym7Nb8= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.178.45] ([94.217.138.93]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MCbEp-1j89Wi1sHr-009fUR; Tue, 24 Mar 2020 13:01:39 +0100 To: Esko Dijk , "core@ietf.org" References: <1492100a-361b-d2ca-e1a1-f8086dfa858f@gmx.net> From: Achim Kraus Message-ID: <16abaa01-07f2-d9eb-4ab5-e8fbedf31c38@gmx.net> Date: Tue, 24 Mar 2020 13:01:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:AiX3we8Zqiy2rdHWKnUhJ1trPw1Wh6YWubAmmPOGRD30k5MJVIr VFp9HIYQZpqSiBK9SEzAo/EDA8UnBnbD+tAQLDe7t55kjNiEO63yruaOhykewOd6BLBtLqi aiuHWXmkNsDy+GLh89yPPP9Q+Od3YNg+WoiV0lEIUdeg7ctLsa1zkXi96YCDTG8ImjagK2p 6ulF4KsQVcT13Q5gg3N+Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:+0k9FIvl/XM=:nrxJW+qr5hRR5jid1VnBuD CN5RVkwXQECIVmD0Uet0iKXoUgPkmXvg3ydDzwTPWXunt14tLnnf4ortqtb6MHZVh/YmJW40G YxzLYeTxdu5jnRdFH+uw70zErUldC8LInQUQlrBrEIdAuUnBudqFRysJCkGWIeIwJbGdNk1RY l2oDd3BISWZ9LjdoFEhGu3llacUWfpvpvw5f7CU8UuF2ZCXElsu7MLgCmlBv1sSwVH7NYYaq0 id+QTRo7mm18x28Nd/KEYnEYTTTq7UbZqAnU+GARQotKIItN2O/6AMUuo2gA5diZgKsZ6zdV5 tRgYTM/UOhDMVUZA+ufwRuOVhoKk76M4VsME/zfEXzEfasKDxEY/JmhAIbnWHfK0F9TfZbgA2 Uj6Iqq3loSaRwgk+tRxiyzKV1f7XfQUO2l+RUlhQOGkUHr0rM0wGwXLvRzO7+TtaS2Tu135MQ gZN1nqu50duiFIjBr2uq+EcE9sfxZAnExSWaDIvTJWL0QieH6AH0Lif3bbHiOzw7Qsae4BsSh wpFIU8yIhoHRknbpaabt1LPX01a3q9PwoIHZgmdVdkyc1s6mcPSfiHP4DqIX93sivV6a5ae42 uHP7k6aFJHO7HBDQHQe3FyeCLu+mw1bg3noGq3x5s+HQZ9liMxw2ecbJz/l2a7lx+BSEulbWA b+aiqEOnBPn75mKxhp0B2IXgWA4g3AhUVjJ3moDBj8mKRbHrp0oPBT6lTVTAMnGZ47MK8s4dr VfWU61KZfPiL1v+11KcOlq791I2bVB8R6iJyAMWsDI5Rhs6khTuLWS2xECnRv39gxX78djBYd T1RPYUj8N0aO92pZRxPinrd/tO1np2NXMdCZDEIwoVbYYkEENk1Zb9Qe3O1Z1PQBTlI3Ph56O qf6pGYYw2O8fm8QKVo2te4Ifuie+/DmZnfhRqsQE9E7qRb/q63MhjyJrFcJePxXNWClkMZghL 4qZWdM3+TkL2Wn/MqS7RzSs1/NYtO3ZUMblWqP7IVFPCupAugLXYJ9/0eafuECAN8VzqUTBg5 glmU2POzZvp7HOTFTgnfw+1Sk6aLUNe/F0qwndssIr3S9E+MK79WJRaO+RldHN/U1gXbN0xvo qYsD/TlhaLkbPLrIKKvyQvrytEhXFP0kqkLA0I6eU5yKm9D9dv1Jmg4QWiebo7r+mGUVlQCZo keSFA1vwDjuED2aZ1EQcPnWQNbAPBFAnNw2F3l9ROSY9MBXTC9ellA7YyK7MC1ZEMHN6IzPZC rzd+5K1L48RAhzHDb Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Mar 2020 12:01:47 -0000 Hello Esko, thanks for your answer! > How the server handles the request is not determined by the CoAP group but normally by the URI path (indicating the resource) and the URI query options (if any). That maybe acceptable for different multicast groups, but 2.3.4 may get harder. (from my initial mail) >> We even didn't find a way to distinguish on the server-side, if the message was received through a multicast group or uni-cast address. I still don't see, that it's possible to distinguish on the server-side, if the message was received through a multicast group or uni-cast address. But for 2.3.4 that seems to be important. 2.3.4. Congestion Control "A server may choose not to respond to an IP multicast request if there is nothing useful to respond to, e.g., error or empty response (see Section 8.2 of [RFC7252])." Not possible without distinguish, if the message was received through a multicast group or uni-cast address. "A server should limit the support for IP multicast requests to specific resources where multicast operation is required (Section 11.3 of [RFC7252])." Not possible without distinguish, if the message was received through a multicast group or uni-cast address. If the support multicast operation on a resource should be depend on the used "multicast group", then this will be alos not possible. "A server does not respond immediately to an IP multicast request and should first wait for a time that is randomly picked within a predetermined time interval called the Leisure (Section 8.2 of [RFC7252])." Not possible without distinguish, if the message was received through a multicast group or uni-cast address. "A server in a constrained network should only support group communication GET for resources that are small." Not possible without distinguish, if the message was received through a multicast group or uni-cast address. > You mention the "Uri-Host" option used to select a destination group, that is certainly possible - it influences the choice of application group according to the definitions in groupcomm-bis. (Maybe we should explain this in the draft also. Thomas had also a Uri-Host comment!) > So by looking at the value of "Uri-Host", a server can decide on different processing of the request. (For example, a request to resource /lights/brightness could operate differently depending on the contents of Uri-Host e.g. "g4" and also have different security requirements depending on that value. So each virtual server in the same endpoint serves resources for a different application group.). With the current definition in RFC 7252, 6.4. "Decomposing URIs into Options", a "IP-literal or IPv4address" multicast address is not included as URI-Host option. If that get's adapted to be inlcuded for multicast, then a server can distinguish between unicast (n.a. or unicast) and multicast (multicast) and even more process selective on the multicast groups (e.g. for improved congestion control). Though I'm not sure, if that may overload the usage of URI-host too much, I proposed a different option. But, if the URI-host usage gets adapted, that may also help to solve the implementation issues. best regards Achim Kraus Am 24.03.20 um 11:37 schrieb Esko Dijk: > Hello Achim, > > Thanks for your email and raising this point. The groupcomm-bis-03 draft= now defines more explicitly the concepts of CoAP group, application group= and security group. > If the CoAP group cannot be determined by the server, that should not be= a problem when considering these 3 group concepts. By the fact that the m= essage is received, the server knows that the message is targeting at leas= t one CoAP group that it has joined. > > How the server handles the request is not determined by the CoAP group b= ut normally by the URI path (indicating the resource) and the URI query op= tions (if any). > In groupcomm-bis we indicate that the application group may be optionall= y encoded in the URI path (e.g. /lights/g4/brightness to control brightnes= s of all application-group g4 lights within a single luminaire device) or = in the URI query (e.g. /lights/brightness?grp=3Dg4) . > > In addition, also security group needs to be considered. The server will= need to check that the right security group is present in the request bef= ore processing the request for a specific resource or resource-plus-applic= ation-group indicator. > (For example, only an authenticated client that is member of group 'g4' = can make a request to the /lights/g4/... set of resources. CoAP group is = then not so relevant anymore.) > > You mention the "Uri-Host" option used to select a destination group, th= at is certainly possible - it influences the choice of application group a= ccording to the definitions in groupcomm-bis. (Maybe we should explain thi= s in the draft also. Thomas had also a Uri-Host comment!) > So by looking at the value of "Uri-Host", a server can decide on differe= nt processing of the request. (For example, a request to resource /lights/= brightness could operate differently depending on the contents of Uri-Host= e.g. "g4" and also have different security requirements depending on that= value. So each virtual server in the same endpoint serves resources for a= different application group.). > The reason that "Uri-Host" does not impact selection of CoAP group is be= cause CoAP group is defined at endpoint level only; and multiple virtual s= ervers are within the same endpoint. > > All in all, the server's processing of the request depends on URI path /= URI query in a particular security context - and the CoAP group should no= t play a role in that anymore as this is more about getting the message to= the right set of nodes. If it does play a role then what you are really = selecting is different application groups (that might be named after CoAP = groups - but still they are application groups) and for that we have vario= us tools at the moment: URI path, URI query and URI host option. Adding an= other tool to this like a "group selection option" would be possible thoug= h I feel URI path is the most logical place to encode application group! > > Best regards > Esko > > -----Original Message----- > From: core On Behalf Of Achim Kraus > Sent: Friday, March 20, 2020 09:37 > To: core@ietf.org > Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 > > Hello list, > > the draft "draft-dijk-core-groupcomm-bis-03" mention in > 2.1 Group Definition > > "An endpoint may be a member of multiple CoAP groups by subscribing to > multiple IP multicast groups." > > At least for java, we (Eclipse Californium) didn't find a way for the > server-side, to determine, for which multicast group the message was > received. We even didn't find a way to distinguish on the server-side, > if the message was received through a multicast group or uni-cast > address. An approach, which uses "many ports", and so different > endpoints, has it's downsides (the document mentions them). > To overcome that for a "private deployment", I started to use the > "Uri-Host" option to send he destination "multicast group" as convention= . > > Maybe, if group communication gets more elaborated, the core wg consider > to spend a specific (new) option "multicast-group" in order to make it > easier/possible, to implement a proper server-side. > > best regards > Achim Kraus > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > From nobody Tue Mar 24 08:47:01 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id A96DE3A0CCD; Tue, 24 Mar 2020 08:46:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: Adam Montville via Datatracker To: Cc: last-call@ietf.org, core@ietf.org, draft-ietf-core-resource-directory.all@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.122.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158506479161.11508.17361892799522117506@ietfa.amsl.com> Reply-To: Adam Montville Date: Tue, 24 Mar 2020 08:46:31 -0700 Archived-At: Subject: [core] Secdir last call review of draft-ietf-core-resource-directory-24 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Mar 2020 15:46:51 -0000 Reviewer: Adam Montville Review result: Ready I generally feel that this draft is ready. I do think the Security ADs should pay particular attention to some of the security considerations. Most notable is Section 8.3, Denial of Service Attacks. This section describes how a Resource Directory (RD) “…can unknowingly become part of a DDoS amplification attack,” but doesn’t provide any real mitigation or normative language toward that end. It is clear from the draft that the preferred deployment of these capabilities is to leverage TLS or DTLS, but doing so is not mandatory per the draft. There is an assumption, also, that clients are provided a certificate at the time of manufacture, which can then be used by the RD as the endpoint’s name. It seems that, with use of TLS/DTLS, and with certain device characteristics in place, things are pretty well buttoned up. Without these assumptions, however, it seems that the use of an RD could be problematic in more open deployments. Then again, I’m not operating in the space of constrained devices day-to-day. 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Wed, 25 Mar 2020 08:39:42 +0000 From: Marco Tiloca To: "core@ietf.org WG (core@ietf.org)" References: <14980394-beb2-d32a-ebbf-dd2c64de2af3@ri.se> Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: <59e93b5c-348d-8c68-759f-4d18742c7d8c@ri.se> Date: Wed, 25 Mar 2020 09:39:31 +0100 User-Agent: Mozilla/5.0 (X11; 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SFS:(10009020)(4636009)(136003)(39860400002)(376002)(366004)(346002)(396003)(6916009)(81166006)(31696002)(52116002)(235185007)(86362001)(21480400003)(8936002)(8676002)(81156014)(5660300002)(2906002)(16576012)(6666004)(16526019)(36756003)(316002)(956004)(2616005)(186003)(26005)(53546011)(33964004)(6486002)(31686004)(66946007)(478600001)(66556008)(966005)(44832011)(66476007); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1P189MB0333; H:VI1P189MB0398.EURP189.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; Received-SPF: None (protection.outlook.com: ri.se does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: vMomEAYlcYcMZGie8tDmtLFjREwnok/RbgrZCeZtYOeaAze1VdiS179vqilQWAUJjAPw1aFJ3/Vjoo/jW684PJh7l63mXfyftiSCCztAoJQVKkcjgNStUDGz5Y/UNiWXx9cq0IszZaSLZ5BYXYEhng== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: 64a93dc1-e15d-4309-a807-08d7d0981067 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2020 08:39:42.6918 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: tyyiAgUWULyCgqRVOs7C9xaHIrWmic5AvFijmuGBWAdSn345aLGVnn0i08p/7lTcH3jajkFOImZp7h6yGDjkTA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0333 Archived-At: Subject: Re: [core] CoRE virtual interim meetings X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Mar 2020 08:39:49 -0000 --bcaKkb4His6UAiK2i1PpkwtY3mnROoRHa Content-Type: multipart/mixed; boundary="jthYPL6qFQBYw8e86FdWZsnTXb1xUD5wn" --jthYPL6qFQBYw8e86FdWZsnTXb1xUD5wn Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Dear all, To make the poll simpler, we have set up a new Doodle using local times. https://doodle.com/poll/gw8rciqdqhiwyf46 The same original options are provided, referring to the last week of April. The meetings will then happen every other week starting from that one, until the end of June. Please, indicate your preferences by April 1st, EOB. Best, Marco and Jaime On 2020-03-24 23:51, Marco Tiloca wrote: > Hello CoRE, > > We are planning to schedule regular virtual interim meetings, recurring= > every other week, starting from the last week of April and until the en= d > of June. > > Please, cast your preferences at the Doodle pool below, about your > preferred day(s) of the week and time(s) of the day, by April 1st EOB. > > https://doodle.com/poll/2bkknbgtdzrpa5fm > > Note that all times are UTC and that we are soon entering daylight > saving time. > > Best, > Marco and Jaime > --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --jthYPL6qFQBYw8e86FdWZsnTXb1xUD5wn-- --bcaKkb4His6UAiK2i1PpkwtY3mnROoRHa Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl57GMMACgkQ7iZktA5Y 2kMEegf/RVCNKWTbKP2M29wIUFaH1dMpWezu9Wc1JcJexTA9R2k2AVXW0pI5FxMS wcUcAPr8I6mUAYXPtfjavcnd24dyfNQ6pQlKGDMxXGZCueyYMx4fMI5txLyxdCZq UHc75j265cF22vutsDBT6rOdCytPupp7zsi60D38oEwcI9Xr5ZrRzaMv8umVlHY7 fIUZmaJpyNVr6fRDp5hKBZLg+Tt6zldVwG83F8Fb3gKosbKcJQQ0cKFWwRMxpX3T /0yJrJG3E1/ySwQ20l43OJUPojtQomyB2X5N9eOIHJh76PhotybpCxWdrpeRJTIw slP6o6VH8aErd7fINTe/d5mAa5MgYg== =jLxd -----END PGP SIGNATURE----- --bcaKkb4His6UAiK2i1PpkwtY3mnROoRHa-- From nobody Wed Mar 25 09:30:55 2020 Return-Path: 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 384FD3A0C10 for ; Wed, 25 Mar 2020 09:30:54 -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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=isode.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 0qUWk_CKZ5fU for ; Wed, 25 Mar 2020 09:30:50 -0700 (PDT) Received: from waldorf.isode.com (waldorf.isode.com [62.232.206.188]) by ietfa.amsl.com (Postfix) with ESMTP id 8ACE23A0D28 for ; Wed, 25 Mar 2020 09:30:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1585153849; d=isode.com; s=june2016; i=@isode.com; bh=6U7mnATjAepPunLntKNXWavZkLV22BPMVTa3MvwQ0sw=; h=From:Sender:Reply-To:Subject:Date:Message-ID:To:Cc:MIME-Version: In-Reply-To:References:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description; b=wp3YHBnV3gUjnB3S2ADfAZd/fW7yiG/ZrJtDOj918e+CZ1KAldX9dWw5ymBZJ2XVipKfxG jYJGrKraqu4cI6o/EoH44Vtv8zbf3L7MdUSZoZ5YF5UtsMwmqocp5fWIvZqaH/VWLvqm86 bJEMXYH6UOuX01k3JAaw15ILSPJQjek=; Received: from [192.168.1.222] (host81-151-37-252.range81-151.btcentralplus.com [81.151.37.252]) by waldorf.isode.com (submission channel) via TCP with ESMTPSA id ; Wed, 25 Mar 2020 16:30:49 +0000 From: Alexey Melnikov To: "core@ietf.org" References: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> Cc: Barry Leiba Message-ID: Date: Wed, 25 Mar 2020 16:30:32 +0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 In-Reply-To: <481f9820-bcea-af6a-d5c4-d713be24d43d@isode.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-transfer-encoding: quoted-printable Archived-At: Subject: Re: [core] AD review of draft-ietf-core-resource-directory-23 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Mar 2020 16:30:54 -0000 Dear CORE WG participants, This is just a quick followup on my AD review. There were a couple of my=20 comments that I don't think were addressed in -24. I would appreciate=20 them being addressed or at least replied to: On 04/11/2019 17:06, Alexey Melnikov wrote: > Hi, > > My apologies for the delay in reviewing this document: > =C2=A0 [snip] > > In 5.3, 1st para: > > > =C2=A0=C2=A0 This section describes how the registering endpoint can maint= ain the > =C2=A0=C2=A0 registrations that it created.=C2=A0 The registering endpoint= can be the > =C2=A0=C2=A0 registrant-ep or the CT.=C2=A0 An endpoint SHOULD NOT use thi= s interface > > Why SHOULD NOT (instead of MUST NOT) and how is this enforced? > > =C2=A0=C2=A0 for registrations that it did not create.=C2=A0 The registrat= ions are > =C2=A0=C2=A0 resources of the RD.=20 =C2=A0[snip] > At the end of section 9.3: > =C2=A0=C2=A0 It is expected that the registry will receive between 5 and 5= 0=20 > registrations in total over the next years. > > This will not age well! Maybe remove this text from the document and=20 > add it to the spherding write-up? 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Wed, 25 Mar 2020 18:46:54 +0000 To: Jim Schaad , draft-ietf-core-oscore-groupcomm@ietf.org Cc: 'CoRE WG' References: <01c901d5fc9c$302115b0$90634110$@augustcellars.com> From: Marco Tiloca Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: Date: Wed, 25 Mar 2020 19:46:37 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 In-Reply-To: <01c901d5fc9c$302115b0$90634110$@augustcellars.com> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="fzvzIdzOtkIMsKGopqcx4BxFGBaGm1T6k" X-ClientProxiedBy: HE1PR0902CA0037.eurprd09.prod.outlook.com (2603:10a6:7:15::26) To VI1P189MB0398.EURP189.PROD.OUTLOOK.COM (2603:10a6:802:35::31) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.8.1.8] (185.236.42.25) by HE1PR0902CA0037.eurprd09.prod.outlook.com (2603:10a6:7:15::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2835.19 via Frontend Transport; Wed, 25 Mar 2020 18:46:53 +0000 X-Originating-IP: [185.236.42.25] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 103f0ece-a74e-4149-5951-08d7d0ece31d X-MS-TrafficTypeDiagnostic: VI1P189MB0383: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-Forefront-PRVS: 0353563E2B X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10009020)(4636009)(366004)(6666004)(966005)(66574012)(2616005)(956004)(16576012)(235185007)(5660300002)(36756003)(31686004)(44832011)(2906002)(498600001)(21480400003)(66556008)(66476007)(16526019)(186003)(26005)(33964004)(8676002)(81166006)(52116002)(81156014)(66946007)(8936002)(4326008)(53546011)(6486002)(86362001)(31696002); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1P189MB0383; H:VI1P189MB0398.EURP189.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; Received-SPF: None (protection.outlook.com: ri.se does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: T1EfHNoPfxX9Gvafgb4KzBFHGXVLHrjyyW+M9gJiuztH4IiQCW8lVrrEfycJmSGawnhbyolePNw+fIb/AawyYcB4aXobNZydutRCTNXXlG5J0AqvR5dMRxV0Iwik9z+OOE+rLm+YrEGEUyB6s1DaRA== X-OriginatorOrg: ri.se X-MS-Exchange-CrossTenant-Network-Message-Id: 103f0ece-a74e-4149-5951-08d7d0ece31d X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2020 18:46:53.9663 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5a9809cf-0bcb-413a-838a-09ecc40cc9e8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: PuyIwMgXzq3eFDUrSC4hxHu8YzYCurkZfQr+gYG32gtP/moEiQ/7dfr1C90CPG3WmnrraK61r2rzjGdXEiRocA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P189MB0383 Archived-At: Subject: Re: [core] Review of draft-ietf-core-oscore-groupcomm-07 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Mar 2020 18:47:06 -0000 --fzvzIdzOtkIMsKGopqcx4BxFGBaGm1T6k Content-Type: multipart/mixed; boundary="kJZx4f64nDOIkr6nmCD0e585CzsiAabyJ" --kJZx4f64nDOIkr6nmCD0e585CzsiAabyJ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hi Jim, Thank you for this review! Please, see inline some replies and requests for clarification. Best, /Marco On 2020-03-17 21:39, Jim Schaad wrote: > * Introduction - para 4 - I think you need to expand some text in this > section to explain why it is that doing a pairwise response is still go= ing > to be considered to be group communication. This assumes some intimat= e > details of how multicast works in CoRE that might not be generally know= n. =3D=3D>MT Yes, we can expand. A response is sent unicast either way. The difference is that the pairwise-secure response remains confidential between the originator server and the recipient client. <=3D=3D > > * Section 1.1. - Silent Server: Consider adding the following to the > definition "Given that for CoAP group communications, messages are norm= ally > sent without requesting a confirmation the idea of a server silently ac= ting > on a message is not unreasonable." =3D=3D>MT Good input, will do. <=3D=3D > > * Section 2.2 - next to last paragraph s/instead retrieve/retrieve/=20 > > * Section 2.2 - last para - this does not make any sense because a serv= er > could do a non-reflection response and you would be unable to deal with= it. > I have not see any text to outlaw this behavior. =3D=3D>MT Ok, we'll just delete the paragraph. <=3D=3D > > * Section 2.3 - para #3 - s/from which/with which/ > > * Section 2.4 - para #3 - The implications of the paragraph are horrend= ous > in terms of performance of the system. It basically says that you need= to > do some excess processing in order to deal with this issue following a = key > roll-over. If the first message received cannot be validated by the > signature then there is an issue of the question was the message corrup= ted > or was the id assigned to a new entity and thus a new public key is req= uired > to be pulled down. =20 =3D=3D>MT If we understand correctly, the reason leading to this is the Group Manager re-assigning a dismissed Sender ID, e.g. to a new group member. As a consequence, the server will be able to retrieve an old Recipient Context matching that Sender ID, but then failing the message verification as not considering the correct public key. Then the issue you mention comes up. If this is correct, it=E2=80=99s probably worth adding some text like: i)= the Group Manager should not recycle Sender IDs, especially in the short term; and ii) it=E2=80=99s up to application policies on the servers to c= heck at the Group Manager that they have the correct public key for a given Sender ID, after a number of consecutive failed verifications. <=3D=3D > > * Section 3 - Have you actually done the testing to see if you can do t= he > mapping of EdDSA as suggested here? =3D=3D>MT We are working on it. The coordinate remapping seems to work for Ed25519, and we are now proceeding with the shared secret calculation. <=3D=3D > > * Section 3 - are all of these pairwise keys to be tossed away when new= keys > are issued for the group? =3D=3D>MT Yes, because new Sender/Recipient keys are derived from the new group keying material, and then used in the HKDF to derive the pairwise keys. Note that the same shared secret can be preserved across rekeyings. Also, pairwise keys would not need to be recomputed right after a rekeying, but latest upon message reception, as their derivation is lightweight. We will clarify these points. <=3D=3D > > * Section 3 - clarity is needed on how PIV is going to work for this. = I > would assume that it amounts to a separate context but this is not > completely clear from the text. =3D=3D>MT Our idea was to have a single PIV per sender, used for all its outgoing messages, regardless the exact mode to protect each of them. We will make it clearer in the text. As a side consideration also to add, this PIV may jump forward more often, hence replay checks may be invoked more often on the recipient side. To better handle it, larger replay windows should be considered. Bottom line, this is due to the fact that not all recipients receive all messages from a given sender, i.e. the messages over multicast are addressed to the whole group, while the unicast messages (in signature or pairwise mode) are not. <=3D=3D > > * Section 4.3 - s/and one structure/and second structure/ or differen= t > structure > > * Section 7. - Para 2 - I have a problem with the second sentence. I t= hink > that you need to make it clear who is supposed to be doing this > retransmission. It should not be the CoAP system, but it is instead th= e > application. That means that a new request could be sent rather than a= > retransmission occurring. =3D=3D>MT Ok, we'll clarify. <=3D=3D > > * Section 7.1 - Does not reflect the case where pairwise is used. Dit= to > for other sections. - found it in section 8, but that does not seem to = be > referenced from section 9 which is "message processing". =3D=3D>MT In this section, we can clarify that the text refers to the Signature mode. Would it be ok? The pairwise mode is later described in Appendix G. <=3D=3D > > * Section 7.4.1 - Must send the group identifier on the first observe > following a rekey operation to all clients. ---- I am not sure that th= e > group may not be required at all times - We need to discuss why you thi= nk > this would not be true. Think of the case of two different observe > relations from the client to the same server sent using the same pair o= f > ports on both devices but with different groups. =3D=3D>MT This comment seems to actually refer to Section 7.3.1, third paragraph. Probably the best compromise here is saying that a server MAY include the Gid in many or all notifications after rekeying, e.g. if identifiers are reused in different groups. This would trade off the message overhead with the chance of collision. Would it be ok? <=3D=3D > > * Section 9 - I thought I understood how this is going to work and afte= r > reading this I find that I am wrong. I am almost positive that I disli= ke > the compression for sending a request. =20 =3D=3D>MT See reply below. Note that the part on optimized responses should be fine, as identical in the pairwise mode of Appendix G. <=3D=3D > > * Section 9.1.1 - I believe that this is just wrong - I would have thou= ght > that this is keep the tag and omit the countersignature. As written yo= u > have messed up the AEAD and thus one level of security on this. =3D=3D>MT Could you be more specific on the problem this creates? SIGMA-I and IKE also consider a MAC not sent but included under a signature. Your original interpretation (keep the tag and omit the signature) is the case of requests in the pairwise mode of Appendix G. <=3D=3D > > * Section 10 para 1 - s/as further discussed/as discussed/ > > * Section 10.1 - should deal with the bilateral version and say that it= does > not follow these rules. =3D=3D>MT We can surely add considerations about the pairwise mode of Appendix G. In particular, since the pairwise mode uses symmetric keys to protect messages, it does provide pairwise confidentiality and source authentication without signatures. <=3D=3D > > * Section 10.4 s/ block-wire/block-wise/ > > * Section 10.7 has interesting block-wise implications that need to be > explored. =3D=3D>MT Could you elaborate more on this point? Does this =E2=80=9Cjust=E2=80=9D mean that the attack has an even more se= vere impact when involving the transfer of big bodies with blockwise? Or is it about something more, such as mixing-up the blocks of two different but =E2=80=9C= akin=E2=80=9D blockwise transfers to two different target servers? Should we even recommend against using the signature-mode for any unicast request using block-wise, i.e. not only for non-safe methods such as PUT, POST and PATCH/iPATCH? <=3D=3D > > > --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --kJZx4f64nDOIkr6nmCD0e585CzsiAabyJ-- --fzvzIdzOtkIMsKGopqcx4BxFGBaGm1T6k Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl57pw0ACgkQ7iZktA5Y 2kPm/gf/bPMDNoFH35Nb/xr98YzZUdVy04H6HfzalcbIYYKqwNsAQU1S8YCFYzC0 zmoTFGe6ckNExtJJo8tseZ9y6Kn85/kaHSNZ7BT0tDPCrYOt1weMxycHF+fGw2O2 hHz7Palc/k2iE9QgwB5qaG4ZU/ri8Xp2n/5J10xM7LXIPkBx88730d6WZeofSlcH tGDGro16kj9U8RULazvGxOtV3TD1JgWaWL/hTwaXxN3HJXMVBAGaekw8aDxNhbEQ GvX9t7/5kg7rLHWi0Bu+Hb0EEeIohe899dGkUYA2i0FzilzT1GDVkTUjsHSod8FR WulXG60PVAi8ftXQxUC2PuMH3EIsUQ== =QHQ/ -----END PGP SIGNATURE----- --fzvzIdzOtkIMsKGopqcx4BxFGBaGm1T6k-- From nobody Thu Mar 26 08:47:43 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 3F61E3A0D25; Thu, 26 Mar 2020 08:47:26 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IESG Secretary To: "IETF-Announce" Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.123.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158523764619.5224.17958037052825771034@ietfa.amsl.com> Date: Thu, 26 Mar 2020 08:47:26 -0700 Archived-At: Subject: [core] Constrained RESTful Environments (core) WG Virtual Meeting: 2020-04-08 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Mar 2020 15:47:38 -0000 The Constrained RESTful Environments (core) Working Group will hold a virtual interim meeting on 2020-04-08 from 15:00 to 17:00 Europe/Stockholm (13:00 to 15:00 UTC). Agenda: https://github.com/core-wg/wg-materials/blob/master/ietf107/core-107-agenda.md Information about remote participation: https://ietf.webex.com/webappng/sites/ietf/meeting/info/12f03cd44d7d4079b925586135df03ee From nobody Thu Mar 26 08:48:36 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 9139D3A0D16; Thu, 26 Mar 2020 08:48:20 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IESG Secretary To: "IETF-Announce" Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.123.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158523770055.4456.4352263023980552018@ietfa.amsl.com> Date: Thu, 26 Mar 2020 08:48:20 -0700 Archived-At: Subject: [core] Constrained RESTful Environments (core) WG Virtual Meeting: 2020-04-16 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Mar 2020 15:48:32 -0000 The Constrained RESTful Environments (core) Working Group will hold a virtual interim meeting on 2020-04-16 from 15:00 to 16:30 Europe/Stockholm (13:00 to 14:30 UTC). Agenda: https://github.com/core-wg/wg-materials/blob/master/ietf107/core-107-agenda.md Information about remote participation: https://ietf.webex.com/webappng/sites/ietf/meeting/info/1ccf8929f40d4ff2a6ff4a6b46521a12 From nobody Thu Mar 26 11:20:53 2020 Return-Path: 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 7CD013A0D1B; Thu, 26 Mar 2020 11:20:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 MIZg8ywummej; Thu, 26 Mar 2020 11:20:46 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 211463A0CD2; Thu, 26 Mar 2020 11:20:45 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 26 Mar 2020 11:20:39 -0700 From: Jim Schaad To: 'Marco Tiloca' , CC: 'CoRE WG' References: <01c901d5fc9c$302115b0$90634110$@augustcellars.com> In-Reply-To: Date: Thu, 26 Mar 2020 11:20:38 -0700 Message-ID: <065e01d6039b$41de9a10$c59bce30$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQIDQ+RuWpZlVDWZeusmtLn6W5UIMwHt4X2kp++4lAA= X-Originating-IP: [73.180.8.170] Archived-At: Subject: Re: [core] Review of draft-ietf-core-oscore-groupcomm-07 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Mar 2020 18:20:51 -0000 -----Original Message----- From: Marco Tiloca =20 Sent: Wednesday, March 25, 2020 11:47 AM To: Jim Schaad ; = draft-ietf-core-oscore-groupcomm@ietf.org Cc: 'CoRE WG' Subject: Re: Review of draft-ietf-core-oscore-groupcomm-07 Hi Jim, Thank you for this review! Please, see inline some replies and requests for clarification. Best, /Marco On 2020-03-17 21:39, Jim Schaad wrote: > * Introduction - para 4 - I think you need to expand some text in this = > section to explain why it is that doing a pairwise response is still = going > to be considered to be group communication. This assumes some = intimate > details of how multicast works in CoRE that might not be generally = known. =3D=3D>MT Yes, we can expand. A response is sent unicast either way. The = difference is that the pairwise-secure response remains confidential = between the originator server and the recipient client. <=3D=3D [JLS] Yes, but in the case of block-wise, the following request might = also be sent unicast using the same context as well. This means that = both requests and responses are done using this. Thus you have taken = multi-cast into unicast. > > * Section 1.1. - Silent Server: Consider adding the following to the=20 > definition "Given that for CoAP group communications, messages are=20 > normally sent without requesting a confirmation the idea of a server=20 > silently acting on a message is not unreasonable." =3D=3D>MT Good input, will do. <=3D=3D > > * Section 2.2 - next to last paragraph s/instead retrieve/retrieve/ > > * Section 2.2 - last para - this does not make any sense because a=20 > server could do a non-reflection response and you would be unable to = deal with it. > I have not see any text to outlaw this behavior. =3D=3D>MT Ok, we'll just delete the paragraph. <=3D=3D > > * Section 2.3 - para #3 - s/from which/with which/ > > * Section 2.4 - para #3 - The implications of the paragraph are=20 > horrendous in terms of performance of the system. It basically says=20 > that you need to do some excess processing in order to deal with this=20 > issue following a key roll-over. If the first message received cannot = > be validated by the signature then there is an issue of the question=20 > was the message corrupted or was the id assigned to a new entity and=20 > thus a new public key is required to be pulled down. =3D=3D>MT If we understand correctly, the reason leading to this is the Group = Manager re-assigning a dismissed Sender ID, e.g. to a new group member. As a consequence, the server will be able to retrieve an old Recipient = Context matching that Sender ID, but then failing the message = verification as not considering the correct public key. Then the issue = you mention comes up. If this is correct, it=E2=80=99s probably worth adding some text like: = i) the Group Manager should not recycle Sender IDs, especially in the = short term; and ii) it=E2=80=99s up to application policies on the = servers to check at the Group Manager that they have the correct public = key for a given Sender ID, after a number of consecutive failed = verifications. <=3D=3D [JLS] Yes that would be an appropriate set of text to alleviate the = issue. > > * Section 3 - Have you actually done the testing to see if you can do=20 > the mapping of EdDSA as suggested here? =3D=3D>MT We are working on it. The coordinate remapping seems to work for = Ed25519, and we are now proceeding with the shared secret calculation. <=3D=3D [JLS] I was never able to get to this, nor was I ever able to make = myself believe that it was going to work because of the difference in = the way that public keys re computed. It will be interesting to see if = it does work. > > * Section 3 - are all of these pairwise keys to be tossed away when=20 > new keys are issued for the group? =3D=3D>MT Yes, because new Sender/Recipient keys are derived from the new group = keying material, and then used in the HKDF to derive the pairwise keys. Note that the same shared secret can be preserved across rekeyings. Also, pairwise keys would not need to be recomputed right after a = rekeying, but latest upon message reception, as their derivation is = lightweight. We will clarify these points. <=3D=3D [JLS] Not sure that I think that doing a pairwise key agreement is = necessarily lightweight or that it is necessarily a good idea to keep = the computed shared secret in memory after it is needed. Might not be = quite as lightweight as you think. > > * Section 3 - clarity is needed on how PIV is going to work for this. = > I would assume that it amounts to a separate context but this is not=20 > completely clear from the text. =3D=3D>MT Our idea was to have a single PIV per sender, used for all its outgoing = messages, regardless the exact mode to protect each of them. We will = make it clearer in the text. As a side consideration also to add, this PIV may jump forward more = often, hence replay checks may be invoked more often on the recipient = side. To better handle it, larger replay windows should be considered. Bottom line, this is due to the fact that not all recipients receive all = messages from a given sender, i.e. the messages over multicast are = addressed to the whole group, while the unicast messages (in signature = or pairwise mode) are not. <=3D=3D > > * Section 4.3 - s/and one structure/and second structure/ or=20 > different structure > > * Section 7. - Para 2 - I have a problem with the second sentence. I=20 > think that you need to make it clear who is supposed to be doing this=20 > retransmission. It should not be the CoAP system, but it is instead=20 > the application. That means that a new request could be sent rather=20 > than a retransmission occurring. =3D=3D>MT Ok, we'll clarify. <=3D=3D > > * Section 7.1 - Does not reflect the case where pairwise is used. = Ditto > for other sections. - found it in section 8, but that does not seem to = > be referenced from section 9 which is "message processing". =3D=3D>MT In this section, we can clarify that the text refers to the Signature = mode. Would it be ok? The pairwise mode is later described in Appendix G. <=3D=3D [JLS] Yes, that is a fine approach. > > * Section 7.4.1 - Must send the group identifier on the first observe=20 > following a rekey operation to all clients. ---- I am not sure that=20 > the group may not be required at all times - We need to discuss why = you think > this would not be true. Think of the case of two different observe > relations from the client to the same server sent using the same pair=20 > of ports on both devices but with different groups. =3D=3D>MT This comment seems to actually refer to Section 7.3.1, third paragraph. Probably the best compromise here is saying that a server MAY include = the Gid in many or all notifications after rekeying, e.g. if identifiers = are reused in different groups. This would trade off the message = overhead with the chance of collision. Would it be ok? <=3D=3D [JLS] There are two cases: 1) after the rekey and 2) two security = groups on the same multicast address (or unicast addresses in the case = of pair-wise) I still need to look at the second case as it may be = dealt with by message id. I am just not sure. > > * Section 9 - I thought I understood how this is going to work and=20 > after reading this I find that I am wrong. I am almost positive that=20 > I dislike the compression for sending a request. =3D=3D>MT See reply below. Note that the part on optimized responses should be = fine, as identical in the pairwise mode of Appendix G. <=3D=3D > > * Section 9.1.1 - I believe that this is just wrong - I would have=20 > thought that this is keep the tag and omit the countersignature. As=20 > written you have messed up the AEAD and thus one level of security on = this. =3D=3D>MT Could you be more specific on the problem this creates? SIGMA-I and IKE = also consider a MAC not sent but included under a signature. Your original interpretation (keep the tag and omit the signature) is = the case of requests in the pairwise mode of Appendix G. <=3D=3D [JLS] There are a couple of different issues that I have for this:=20 1. I now need a new mode for my AEAD algorithm where it will provide = output without validating that the MAC is correct. I do not know if = this is doable with any of my current crypto libraries. 2. It permits for one to create a situation where the same encrypted = value could potentially be decrypted into two different plain texts by = the use of different keys or IV values. It requires a security analysis = to ensure that this is not possible, for example in the case where a = sender incorrectly derived the key and base IV. > > * Section 10 para 1 - s/as further discussed/as discussed/ > > * Section 10.1 - should deal with the bilateral version and say that=20 > it does not follow these rules. =3D=3D>MT We can surely add considerations about the pairwise mode of Appendix G. In particular, since the pairwise mode uses symmetric keys to protect = messages, it does provide pairwise confidentiality and source = authentication without signatures. <=3D=3D > > * Section 10.4 s/ block-wire/block-wise/ > > * Section 10.7 has interesting block-wise implications that need to be = > explored. =3D=3D>MT Could you elaborate more on this point? Does this =E2=80=9Cjust=E2=80=9D mean that the attack has an even more = severe impact when involving the transfer of big bodies with blockwise? = Or is it about something more, such as mixing-up the blocks of two = different but =E2=80=9Cakin=E2=80=9D blockwise transfers to two different target servers? Should we even recommend against using the signature-mode for any = unicast request using block-wise, i.e. not only for non-safe methods = such as PUT, POST and PATCH/iPATCH? <=3D=3D The first paragraph says that using group OSCORE is bad when done over = unicast, but if you do blockwise transfers and don't support the = pairwise situation then this is exactly what you are going to be doing. = I don't know if this means that the pairwise needs to be upgraded to a = mandatory to implement or if the NOT RECOMMENDED is too strong of a = statement for this situation. The same problem occur with use of the = ECHO option as the response to the ECHO needs to be unicast not = multicast (it only applies to a single server) and thus falls into this = same category. Jim > > > -- Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se From nobody Thu Mar 26 23:38:47 2020 Return-Path: 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 26A923A0410 for ; Thu, 26 Mar 2020 23:38:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -3.562 X-Spam-Level: X-Spam-Status: No, score=-3.562 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_MSPIKE_H2=-1.463, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=gmx.net 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 zy-jWryD_oUO for ; Thu, 26 Mar 2020 23:38:43 -0700 (PDT) Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) (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 CCFFD3A03EE for ; Thu, 26 Mar 2020 23:38:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1585291119; bh=oTQiz0TlKT3JcVNFkN2bgHHOIxgypoIE6OhHYFHBmrA=; h=X-UI-Sender-Class:To:From:Subject:Date; b=NTogKm0WqotrIrlEeLuWi5LYeqSP9tvuAkwJRbKDPXOfh8whV+2RkWtB2iMdKxagD dUDClSc3UY5v3wOBBkp6f2tORf75PoJwDemWSj1mju2Q5/m1Ppiu/aIdVYyACctNXf ZQKS08CypZQ0MRpfXNGv+q8CUtKRNzDP0+gZy8ps= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.178.45] ([178.2.210.105]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N3KTy-1jR22n2jcA-010OPN for ; Fri, 27 Mar 2020 07:38:39 +0100 To: "core@ietf.org" From: Achim Kraus Message-ID: <580bb0f4-89c4-2d11-b17b-520ddfe89c33@gmx.net> Date: Fri, 27 Mar 2020 07:38:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: de-AT-frami Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Io0G16Vh3Mwr/y5/Qryx051nLevs+GKlkntkFP1q6tb69hVVcIu f3boHr3DXZA7Ha4qnRhqbB+CTS+I8+cUmx1pZEnM+0sHjbWlIvyYjdO7qFAInQIP7FeGJLm QDbe+/XhERLqWp19s8sazV1lHJkONwoZsazPj9sDeNL9o8xmtDQfqjmXKhrhcERFJQp24rP JHArClmsafHaIQ3eScGDw== X-UI-Out-Filterresults: notjunk:1;V03:K0:PyI/poNXBa0=:bt5nS0+ghb5ykI9eoKnBw6 neIvJktYRL6j/8kRlom+ijr4CQ91zetZiMmQNnP3Taqsr6q248heN8SYKbE+Rc3nWf70QR3V/ 2a3SJO7fMQp4jh3WqD4A9RGNpagjVeluuqYASGtfeNcJ2FJBJT+JjfYgsKRRvDP6q5wPa2uam QcjJyswrh3FP84KkGl4LoJMxeDt34XwOFl1L4qRWaTd1tfbkYu5m3StMGc1YTIvRZ2WvQ9ezz I5Za3Kbrwki1Gzu5qq0gHxjPakeO5Z6dWJ9NmeEouS/cNkHSG5RfuBAY3n5bVxAqZ1AzOO9e+ gzK/mv6+GUwSlYdOZYTz/QiXCn8kbnrqd8bCArwbI0i2IQeXHd70ss3KNU2wXgTkzu5WtDf2f Mm5urEQj7eYTNTT2vXHt4So/JTsYlBTgqv7nu8YXiPkft/D7+Q3b/KDxs19IbGctOZNxQRo/4 8QPOqnX3dm6FklzfAxcBm3Nj9E5hl0UDWezRIq86OGCLpQqJKm/mm4S8S1XdLWkBYnksA6/+/ BhDjetFRMp8KmWVHotOwS/LiXUY/RYlQKqR+Fddu+fe1BMBxTtVrWpnD5EUMjXdJ3xguGtdvo wrMlf/jMe/mVjqM60l1EP/mMDHR48sR+rl/GLUf4CglgNgyPRdGSpRfAW5X4zLW03h+ngVDHF nHl/+W46kfmCa6C4rGiDIHBzwDyiOECAKT6803W4ZvtHDr9iBi2eCG7RmOrKvYQmnROKwfEys Kl1dbn7TZFtR/4EwF/pgd7v/y17RxroN4OenEu0ZA8elPhtpkx6NwroyG7n9KE+gFXBJ5jKlW VDwY418APdOFFEJKFJQm+z1Fd9w2KZjBaqLyld8VSQrvcqAR9amVmUrcaaFnEMYeJEwlynzPw ve2CKEPJrl8saEXGU7hXEF6LjUPdRkWy9aBKdai1aCacJ+GyjcL+9gRqOJEa0h+2f/QajVzbw HZ+SZZ87UFnvxatkBvv/6540WpLryRv9k4GRJWjqe6A9UeZWXq/uPaMKNNDzpNWcmHyyJRS3i RtA01bl97WvcFJy3M6R6ZGF3x3a2dLK897GTNoUTsITN1VMKYQyQ4MxeDdsGSgMvh3/pzgpDY UohFGpbby19arl60LkRXNDhQDOjVTb3YE5n9WqdeMeNypyKORILGeillcgqN/TjGKW10fiHwm wqcPemUK+sv9HJ4FjKmO9xzqGo4y+2DCU+DvQbE73P7nHqEeoB6wkv+fjvFweJNINVNM4RYjT 2Rhoc+W/CRDIMTpSe Archived-At: Subject: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 06:38:46 -0000 Hi list, RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top "When matching a response to a multicast request, only the token MUST match; the source endpoint of the response does not need to (and will not) be the same as the destination endpoint of the original request." (4.1. Messages and Endpoint, "With no security, the endpoint is solely identified by an IP address and a UDP port number") Though it is obvious, that the IP address part is changing (from multicast destination to a unicast source), I 'm not sure, why the port should be considered to change as well. example: 192.168.1.50:15683 -> 224.0.1.187:5683 (multicast request) 192.168.1.50:15683 <- 192.168.1.40:5683 (unicast response, I would expect= ) 192.168.1.50:15683 <- 192.168.1.40:7843 (unicast response, the spec. also allows) So, - was a change of the port (2. example response) considered when writting that definition? - if yes, what was the reason to do so? best regards Achim Kraus From nobody Fri Mar 27 00:52:57 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 9F08F3A093D; Fri, 27 Mar 2020 00:52:55 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.123.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158529557554.27522.9242044922408578099@ietfa.amsl.com> Date: Fri, 27 Mar 2020 00:52:55 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-sid-12.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 07:52:56 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : YANG Schema Item iDentifier (SID) Authors : Michel Veillette Alexander Pelov Ivaylo Petrov Filename : draft-ietf-core-sid-12.txt Pages : 35 Date : 2020-03-27 Abstract: YANG Schema Item iDentifiers (SID) are globally unique 63-bit unsigned integers used to identify YANG items. This document defines the semantics, the registration, and assignment processes of SIDs. To enable the implementation of these processes, this document also defines a file format used to persist and publish assigned SIDs. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-sid/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-sid-12 https://datatracker.ietf.org/doc/html/draft-ietf-core-sid-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-sid-12 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Fri Mar 27 09:13:42 2020 Return-Path: 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 1DE123A0798 for ; Fri, 27 Mar 2020 09:13:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 VVgQdLijdy03 for ; Fri, 27 Mar 2020 09:13:29 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E3FD33A0F6D for ; Fri, 27 Mar 2020 09:13:21 -0700 (PDT) Received: from [192.168.217.119] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48pn2m2Hbnzyt5; Fri, 27 Mar 2020 17:13:20 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: <158532472527.24402.7156077840539978248@ietfa.amsl.com> Date: Fri, 27 Mar 2020 17:13:19 +0100 X-Mao-Original-Outgoing-Id: 607018399.770457-3e61cd2d9b717545bcba2f847154a0e0 Content-Transfer-Encoding: quoted-printable Message-Id: References: <158532472527.24402.7156077840539978248@ietfa.amsl.com> To: t2trg@irtf.org, "core@ietf.org WG" X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: [core] Disclosing Implementation Information: draft-bormann-t2trg-rel-impl-01.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 16:13:42 -0000 In 2018, we had a discussion about providing self-description = information that tells a client something about the implementation (and = version) of the server. So I wrote a brief draft, and I seem to = remember everybody nodded, but it wasn=E2=80=99t quite clear whether = that was because they agreed or because they fell asleep. By now, it has become more clear that disclosure of implementation = information can be quite useful. Actually, we already have RFC 8520 = (MUD) for some very specific information of this kind. A more free-form = version still seems useful, and can use Web Linking (RFC 8288) and = Link-Format (RFC 6690) so the specification itself is quite minimal. So I have added some security considerations (pointing out, among other = things, that this disclosure is not always desirable) and cleaned up the = text a bit. See links below. Comments (+1, -1, or actual text) would be welcome, both from T2TRG and = from CoRE. It seems the CoRE working group might want to consider = working group adoption of this draft or a next version, at which time it = would transition from the RG context to the WG. Gr=C3=BC=C3=9Fe, Carsten > On 2020-03-27, at 16:58, internet-drafts@ietf.org wrote: >=20 >=20 > A New Internet-Draft is available from the on-line Internet-Drafts = directories. >=20 >=20 > Title : impl-info: A link relation type for disclosing = implementation information > Author : Carsten Bormann > Filename : draft-bormann-t2trg-rel-impl-01.txt > Pages : 4 > Date : 2020-03-27 >=20 > Abstract: > For debugging, it is often helpful to have information about the > implementation of a peer. The present specification defines a link > relation type, "impl-info", that can be used to convey such > information via self-description, such as in the "/.well-known/core" > resource. >=20 >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-bormann-t2trg-rel-impl/ >=20 > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-bormann-t2trg-rel-impl-01 > https://datatracker.ietf.org/doc/html/draft-bormann-t2trg-rel-impl-01 >=20 > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=3Ddraft-bormann-t2trg-rel-impl-01 >=20 >=20 > Please note that it may take a couple of minutes from the time of = submission > until the htmlized version and diff are available at tools.ietf.org. >=20 > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ >=20 >=20 > _______________________________________________ > I-D-Announce mailing list > I-D-Announce@ietf.org > https://www.ietf.org/mailman/listinfo/i-d-announce > Internet-Draft directories: http://www.ietf.org/shadow.html > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt From nobody Fri Mar 27 09:17:05 2020 Return-Path: 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 BD20F3A0EEF for ; Fri, 27 Mar 2020 09:17:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.888 X-Spam-Level: X-Spam-Status: No, score=-1.888 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 mkcRti8_EKXp for ; Fri, 27 Mar 2020 09:16:52 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 364B93A1126 for ; Fri, 27 Mar 2020 09:15:01 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 27 Mar 2020 09:14:25 -0700 From: Jim Schaad To: 'Achim Kraus' , References: <580bb0f4-89c4-2d11-b17b-520ddfe89c33@gmx.net> In-Reply-To: <580bb0f4-89c4-2d11-b17b-520ddfe89c33@gmx.net> Date: Fri, 27 Mar 2020 09:14:23 -0700 Message-ID: <000501d60452$c96cfa00$5c46ee00$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQIXVeiVC1e4HIxpxUNqDgp/ppWwx6fZ+Gkg X-Originating-IP: [73.180.8.170] Archived-At: Subject: Re: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 16:17:04 -0000 -----Original Message----- From: core On Behalf Of Achim Kraus Sent: Thursday, March 26, 2020 11:39 PM To: core@ietf.org Subject: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top Hi list, RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top "When matching a response to a multicast request, only the token MUST match; the source endpoint of the response does not need to (and will not) be the same as the destination endpoint of the original request." (4.1. Messages and Endpoint, "With no security, the endpoint is solely identified by an IP address and a UDP port number") Though it is obvious, that the IP address part is changing (from multicast destination to a unicast source), I 'm not sure, why the port should be considered to change as well. example: 192.168.1.50:15683 -> 224.0.1.187:5683 (multicast request) 192.168.1.50:15683 <- 192.168.1.40:5683 (unicast response, I would expect) 192.168.1.50:15683 <- 192.168.1.40:7843 (unicast response, the spec. also allows) So, - was a change of the port (2. example response) considered when writting that definition? - if yes, what was the reason to do so? [JLS] My response would be that the answer is yes. The unicast responder does not need to be on the default COAP port number. This would be especially true if you had two different server running on the same piece of hardware. I find this to be very common for me in testing because I am running 10 different CoAP servers on my laptop and while they can share the multicast addresses, they need to end up on different unicast ports. Jim Schaad best regards Achim Kraus _______________________________________________ core mailing list core@ietf.org https://www.ietf.org/mailman/listinfo/core From nobody Fri Mar 27 10:15:55 2020 Return-Path: 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 3F2513A0F7E; Fri, 27 Mar 2020 10:15:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no 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 cCTDebb-mqTJ; Fri, 27 Mar 2020 10:15:40 -0700 (PDT) Received: from prometheus.amsuess.com (prometheus.amsuess.com [5.9.147.112]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B17113A0F75; Fri, 27 Mar 2020 10:15:38 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id 500B240138; Fri, 27 Mar 2020 18:15:36 +0100 (CET) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id E4E4C6C; Fri, 27 Mar 2020 18:15:34 +0100 (CET) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:d5ed:6015:99cd:194b]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 96B4D148; Fri, 27 Mar 2020 18:15:34 +0100 (CET) Received: (nullmailer pid 1702034 invoked by uid 1000); Fri, 27 Mar 2020 17:15:24 -0000 Date: Fri, 27 Mar 2020 18:15:24 +0100 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: draft-ietf-core-oscore-groupcomm@ietf.org Cc: core@ietf.org Message-ID: <20200327171524.GA1531909@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="G4iJoqBmSsgzjUCe" Content-Disposition: inline Archived-At: Subject: [core] Review of draft-ietf-core-oscore-groupcomm-07 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 17:15:54 -0000 --G4iJoqBmSsgzjUCe Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello gropucomm authors, (I'll try to skip issues Jim already found) * Silent server: I don't see why the role as a client is described as independent of being a silent server; doesn't the role as a client automatically give it a sender context that that can be used in server role just as well? Would a proxy (say, one that serves a remote client accessing a local multicast group) that verifies the client's legitimacy based on its signature as a group member classify as a "silent server", and if so, wouldn't "silent member" be more fitting? ("Bonus question": Can such a proxy be provisioned with the public key of the client but not the group key material?) * At some point in reading this, it would be comforting to be ensured that however the keys are provisioned, I don't need to provision every member with every other member's keys. (Eg. in a bipartite setup of clients and servers, clients only need recipient contexts of servers and vice versa). The line that does this now is "from which messages are received" -- is that visible enough? * 2.5: OSCORE terminology on sequence numbers has so far not used "wrapping" semantics, and only spoke of integers -- that those tend to wrap is a programming language specific thing, and especially in the typical 40-bit space is rarely the default. I could have sworn the OSCORE document talks of sequence number "exhaustion", but it doesn't; either way, "An endpoint can eventually exhaust its own ..." might be a better wording. (If wrapping needs to be mentioned, I think it should rather be in "If an implementation's integers only support wrapping addition, the implementation MUST detect a wrap and treat the context as exhausted instead.") (Also in 10.11) * 3.: I'd appreciate a reference to static-static diffie-hellman shared secrets. * general (but in particular 4.2, and "That Sender ID is valid only within that group, and is unique within the group"): This all works under the assumption that kid and kid-context are used in a hierarchical way of kid residing "under" the kid-context, and that the GM may assign any kid to a given node because the GM is in control of the whole kid-context. This is not true if the client is also using RFC8631 B.2 mode -- then, it needs to reserve some kid across all kid-context. (It'd be tempting to partition those by whether a multicast address is involved a request, but the Echo recovery happens on unicast even when using group OSCORE). It might be that this requires some adaptation in the way B.2 is used in applications (eg. that they make their ID1 always start with some agreed-on prefix that the group manager will not use). * 4.3.2: Why does theo Signing AAD need to cover OSCORE_option?=20 Things in the option that could be manipulated are the flags (pairwise selects a different key), kid and kid context (which select different keys) and partial IV changes the nonce -- of those, only the Partial IV change would make the signature check succeed, and even then, the AEAD will fail. If it's only about the Partial IV and actually necessary, a bstr that only encodes the PartialIV instead of OSCORE_option would make it easier to obtain bounds for the size of the aad_array serialization. *grml*, section 10.6 talks about that. I suppose that *does* require that the AAD can be long enough to contain the longest possible OSCORE option. * 5.: I have the impression this means to say that in pairwise mode, the payload is as in RFC8613 and not as in the first bullet, but doesn't. * general (manifests in 5.1): It'd help understanding the structure if there was a note around the ciphertext saying that this is a 28 byte ciphertext created from a, say, 12 byte request and including a 16 byte tag. * 7.1.1 and later observation handling: Does letting observations run through a re-keying open us up to the risk that the client could receive the same KID again, start its sequence numbers anew, sends out a different observation on the same (KID, PIV) pair (but a different key) and the responses get mixed up? (Maybe observations just need to terminate on rekeying, like they do when your IP addresses change?) * 7.2 (and 7.4): Is there any prescribed order between counter signature and AEAD verification? With the caveats of the below 9.1.1 comments, can the client forego verifying the AEAD tag if it verifies the signature first? * 7.3: The same concerns as in 7.1.1 apply here where the different security contexts are used in request and response. Especially, why is the SHOULD on taking a new partial IV not a MUST? After all, the use of the original Partial IV is scoped over the Key IDs, and using the requester Partial IV in the new security context both for answering requests from this and from the old securty context (and thus, the old kid space) is inviting nonce reuse. My current impression is that in well-thought-through applications, the late updates can work well enough even in constrained applications to not take the risks of crossing contexts between requests and responses. * 9.1.1: I had a lot of text here but found that Jim already said it better. If found to be secure, this at least needs concrete guidance of which stream cipher to use to replace which AEAD algorithm. * 10.5 or wherever that fits: The namespacing considerations we've recently rolled in the OCF call might apply here as well. Unlike in non-group OSCORE where the recipient is the authority of its recipient IDs and can shard them as it pleases, in a group the group authority (whoever allowed taking that group IP address) can shard the group IDs between different GMs that manage groups on the same address, if such a thing does at all make sense to deploy. (I placed this on "or wherever that fits" because while what's said in 10.5 is true on the security side, I'd very much like things to be designed that way that devices don't ever need to try multiple decryptions. One practical reason is that decryption can often be done in-place, but libraries don't promise to keep the old ciphertext intact when decryption fails). * Counter Signature Parameters Registry and following: Given how tightly this is tied into the COSE registry, has it been considered to make this an extension there? This would increase visibility of the parameters registry to those who enter new counter signature algorithms into COSE, and encourage them to describe the parameters right away. * The 'encoded as specified in the "Parameters" field' of 4.3.{1,2} and the parameters description of 11.2 miss some glue to me. I suppose that the parameters field is a CDDL expression, which would be such glue (ie. an EdDSA with kty=3D1 and crv=3D2 would be encoded as CBOR `[1, 2]`), but that is not explicit. * 11.3: For the assignment of OSCORE Flag Bit 2: Is this only used for group OSCORE, or can this be usd in other situations where both parties h= ave (or can have) static-static keys? If it is particular to group OSCORE, it might make sense to leave its meaning in non-group-OSCORE setups undefined. (A kid/kid-context combination needs to be recognized as a group or non-group key with either value, so the remaining value is free for non-group applications). In that light, flipping the bit's value might be worth considering, as "pair-wise mode" is the default for non-group OSCORE. (AFAIR there was a "has counter-signature" bit in earlier drafts. Why was that changed, just because "0" is the more natural default value in group OSCORE?) * E.2: This is basically a trust (freshness) on first use -- but why is the first use discarded? An attacker can send in two consecutive requests just as well as one, so the server could relay the first request to the application just as well. * Appendix E in general: As I understand, sending a Partial IV in the "Protecting the Response" step is as optional as in regular OSCORE: you can do it, and need to under some circumstances, but for efficiency you don't unless you need to. If that is the case, E.1 and E.2 should be explicit about that while they may be good enough for the application's freshness requirements, they are not good enough for using the request's Partial IV, at least if the baseline synchronization state can ever get lost. * E.3: That unicast repeated request=20 "otherwise, the request is silently discarded": Why? This could just be due to a client that has taken its time, I'd have expected "otherwise, a 4.01 (Unauthorized) including an Echo option is sent as above". And does the server need a time interval here? I'd implement Echo as a random-per-bootup (or taken-from-own-sequence-numbers) source, and don't see a cryptographic reason to concern myself with time there. All that matters is that the new request is one the client sent after my server came up, so it can't have been responded to in an earlier life. I disagree with the "all group members [need to] understand the elective Echo option" approach; Echo is defined as elective, and unknown Echo values can be ignored. Last but not least, two servers could easily arrive at the same Echo value. Using pairwise security contexts would be much more suitable for the re-request, and not rely on ignoring messages on mismatching Echo values, and should always be used with this mode; see discussion at https://github.com/core-wg/oscore-groupcomm/issues/26. * Appendix G: "Senders MUST NOT use [pairwise with] multiple recipients": I was confused at first as to why this is not a "can not", and only later realized this is to keep clients that want to address a single server from just broadcasting a request with pairwise encryption. This could be clearer. * G.1: The mechanism for address discovery is an odd mixture of vagueness and concreteness. Suggestion to replace the three last paragraph and its bullets: "To make this information available, servers MAY provide a resource to which a client can send a request for a server identified by its sender ID, or a set thereof. Details of such an interface are out of scope for this document." * G, "Note that no changes are made to the AEAD nonce and AAD.": I'll need to think this through again when implementing it. Over all, a thing I'm looking forward to implementing in aiocoap. Kind regards Christian --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --G4iJoqBmSsgzjUCe Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl5+NKcACgkQOY0REtOk veFOfA/8DqEbyPyM/9uGxklI6bGhOpLoXZ1ic9Y0PuxN1Om8WcfH6DY2ygeDzsj3 OFE2ecoLkVLslHSiukz3xxSRRRZP3N0Eyaq+NmXBsrmJ841Tl4rxu0x5U8JbTOF4 WoQIFVDFNXwSrCsSFaVZtI/9YYkeqxH2F2dl2sjOPLtVK2uUL+1RnPcTBVw30YXs DIKhafcGKirNgojSmCt/bd/2xP0HwjVOjoRtzx/x3EHgV6cLguaqTgZOZzhIDyms DsSBQwCRlInX7FTkNhrniVZVH+h6Cbg+kDfORIolcvHRKL2Y+GyppbzZ1JRFzb9T GfMCDmcFVGQyDX8XSLDDNiVUp1I7vGBlGOXQHSdy7WT8OwfIurK9lrzieEV/Izjr M1CM7FnUygo8nrcedHP7ZvgILW+F3VkeOWrHGbe3cDSZkDFwwWOsaA6fybn/nAuj niMyEjGDsEOomRVMUsb+3EmnLoKdHTLOiyYf6/1aiS6hwlfxL/INuHOXn3J7ArYz zW9EL5HBXlxZMXypKGvXazYvwNwczYBsqntM6raCgj41tfp80k1xP8UY+EZOXzpr LQ3WRHI+Pwbz1OREC1iYBWEaeKchCeCDcu6K4Oo1f9keEBwN6VqsaSC2iAzapKna 6cb+wVpsUwXqz0E2YVak9L9NXFazs10nISOxLm95hPIQxDr81rY= =LK/Z -----END PGP SIGNATURE----- --G4iJoqBmSsgzjUCe-- From nobody Fri Mar 27 11:00:18 2020 Return-Path: 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 71F623A104B for ; 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c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1585331977; bh=l8oOftUYTOH/OPWsJ8WNdU0v0Vif1tlfZ7j+oaT6P/E=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=lSD/iEbhxQFDkaMooD5XkcJace0U/IgcD/Gv5sTBFw5ncYYQeOVhVoteu17XRHKci mGsiUtWmaoMkgQVeePVbJQmkajUsNygnqf2mVmCrV7WYKQr5b0dxud7qcc0Mpa8//D jmHPdFZI/FK1bpnu/TPMHs7Pk6QYOQjx4thpXTJg= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.178.45] ([178.2.210.105]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N8XPt-1jMigS03Wb-014Wwz; Fri, 27 Mar 2020 18:59:37 +0100 To: Jim Schaad , core@ietf.org References: <580bb0f4-89c4-2d11-b17b-520ddfe89c33@gmx.net> <000501d60452$c96cfa00$5c46ee00$@augustcellars.com> From: Achim Kraus Message-ID: <1e74313a-d258-622f-d43e-ff1fa8f7d06d@gmx.net> Date: Fri, 27 Mar 2020 18:59:35 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <000501d60452$c96cfa00$5c46ee00$@augustcellars.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: de-AT-frami Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:UdQCXhCY0AOROqxr2IxgVRue23lLfiP+XMPz17B2T5czywrHKsf 9gJ1L1p7Jbp/t+3XKl5LNvfTm3GcdELJ4MNqsJhmImK9YV+dBH4Au22yl/HLuZoE8fYNG2m ajK4ZWyvm1COYk/snBVyrqTO5jYS1dxmnIRoXzxM/qd5tmCoXnp0toXLB6amszIkh4kn1gH EgV6zzhjeL6/OtMWEj6/w== X-UI-Out-Filterresults: notjunk:1;V03:K0:B8cuC1jyvmY=:mvyXAR/0pUBpOF46SoRcJa vX/h73Bcc1jtIqpyGOg+uyzL+fuMvKFjAdI0ZgT4uvrxqy0hp45uiTypV9JT8KyCRbtc/5D3c yKiaBqiMviGKgbCySaPj8BfIMPcf8eAHSs/MMU4OqCl3f66NZrwduB2ZeGhFwnkihe3ULeZLz /Vw7MOV9RqQ+BE8O+6eVAVo+STDv239/pCVhU1yJNfcyvNhhhT1C/k8vqWEhIWs+8KKpyxkrH pwF/z+qW4z4MAO7IUV4x0ebHP3i/yQhZ2roXIgbAtOH+hn1YkI2aPfBuRf+nl2tiY14EfQMvq DIxHKobAFPlK5eZ9l8PVFGUmn1KPHq1zSO56EhIaU0hcNXTHJgvgKxOUQyR6qGtTFp7YE2Hgb zI/Ktgu+ELF+a8y79f3g7pGeou33tjO5YVrPumUcLv2iXLyDZDXZD0RiCepzNsXW/EKSl2ENy FXnmF7Mesio9LOtU/wtOiGFCsthLG21E0lKVrei9lR7VQaMEDX8nfx4xoHPF0CThqUFcXkPAz zCxQe1tiISjIeOX7oty9foCDYLajFeMuydSHs06GJijl6mMTEPyZttHRSLmjFwjkrVMsB1WBd +ZcYWMBtiVIRI+adKM1aUm1GY+Uf1d/0p3KENn2L2L9UKFuP/y1LLou37bBUsblDUwg4onJWf lOGz7ybI27SygnSZAPxT/ESoLFIxHkK686GlJXUd6w9V/xDFTJ2yBbV4bf5biYGTkI5QpjyW9 fFHUtwJBrDtieBnJWnyyfw4A88e7cPjdA7gX1lp68+ffkBr0FUeI1oRgV9bxB5WbeVcqcF7cE bmPs/b6VXIIF1FyUKpGvGBaP2evf1K4cVIccgZT+uK0hVpLhhn3LaEEGzXZXCX/Wr3iGT5GMs pQBWhc3AqIwT/nLkoqPo8GX6XqOy1eUtdZHFgvb+KhxjyDz2o35bq5EpSk3z1yysZkHrEdL1Z axw4uE2YGKd57jprZqN39gc1A7tOS6IYdBAKvWmVk2MmOCS9M8Z9dayfIbZZ2q8Nag+CJ3Ce+ rmzvH4b9KUXkMgZnij2SPLAsZghaIr5obNib9C0sI+97FYD9JhmEXEf8dkWJG3SlDMO9n1A0b 8Mj88K1JnESHf/44eCk036NWU2LySNygT7QhpNE7WVO7LVImd3pkj8QcZEKzHcPj5KF4ZUvr1 S8Ih07XPnvFtyy/UrdC8lTTS+U/BiUbVwzmSaoX9LGidb7lw+HBScHJjsNjxBjlJsCmvg5KEh ma/i77Y2WHiGto3yV Archived-At: Subject: Re: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 18:00:14 -0000 Hi Jim, thanks for the fast answer! > The unicast responder does not need to be on the default COAP port number. It's more the destination port of the request than the default CoAP port. > This would be especially true if you had two different server running > on the same piece of hardware. I find this to be very common for me in > testing because I am running 10 different CoAP servers on my laptop > and while they can share the multicast addresses, they need to end up > on different unicast ports. OK, I see. Interesting. Using different ports for multicast and unicast makes it also easier to distinguish multicast from unicast. (On the other side, it kills somehow the idea of a "service, bound to a port" and it makes tracking the traffic with wireshark harder :-). I will see, when I can spend some time into adjust the server-side according this idea in your answer.) best regards Achim Am 27.03.20 um 17:14 schrieb Jim Schaad: > > > -----Original Message----- > From: core On Behalf Of Achim Kraus > Sent: Thursday, March 26, 2020 11:39 PM > To: core@ietf.org > Subject: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, p= age > 67, top > > Hi list, > > RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top > > "When matching a response to a multicast request, only the token MUST ma= tch; > the source endpoint of the response does not need to (and will > not) be the same as the destination endpoint of the original request." > > (4.1. Messages and Endpoint, "With no security, the endpoint is solely > identified by an IP address and a UDP port number") > > Though it is obvious, that the IP address part is changing (from multica= st > destination to a unicast source), I 'm not sure, why the port should be > considered to change as well. > > > example: > 192.168.1.50:15683 -> 224.0.1.187:5683 (multicast request) > > 192.168.1.50:15683 <- 192.168.1.40:5683 (unicast response, I would expe= ct) > > 192.168.1.50:15683 <- 192.168.1.40:7843 (unicast response, the spec. > also allows) > > So, > > - was a change of the port (2. example response) considered when writtin= g > that definition? > - if yes, what was the reason to do so? > > [JLS] My response would be that the answer is yes. The unicast responde= r > does not need to be on the default COAP port number. This would be > especially true if you had two different server running on the same piec= e of > hardware. I find this to be very common for me in testing because I am > running 10 different CoAP servers on my laptop and while they can share = the > multicast addresses, they need to end up on different unicast ports. > > Jim Schaad > > > best regards > Achim Kraus > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > From nobody Fri Mar 27 11:22:31 2020 Return-Path: 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 F15D63A093B for ; Fri, 27 Mar 2020 11:22:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 AUyBYvvQWOYr for ; Fri, 27 Mar 2020 11:22:25 -0700 (PDT) Received: from tuna.sandelman.ca (tuna.sandelman.ca [209.87.249.19]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9B63F3A07B3 for ; Fri, 27 Mar 2020 11:22:22 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [209.87.249.21]) by tuna.sandelman.ca (Postfix) with ESMTP id C7AD63897F for ; Fri, 27 Mar 2020 14:20:54 -0400 (EDT) Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id C855ABA2 for ; Fri, 27 Mar 2020 14:22:20 -0400 (EDT) From: Michael Richardson To: core@ietf.org In-Reply-To: <158529557554.27522.9242044922408578099@ietfa.amsl.com> References: <158529557554.27522.9242044922408578099@ietfa.amsl.com> X-Mailer: MH-E 8.6; nmh 1.7+dev; GNU Emacs 25.1.1 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Archived-At: Subject: Re: [core] I-D Action: draft-ietf-core-sid-12.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Mar 2020 18:22:30 -0000 --=-=-= Content-Type: text/plain internet-drafts@ietf.org wrote: > There are also htmlized versions available at: > https://tools.ietf.org/html/draft-ietf-core-sid-12 > https://datatracker.ietf.org/doc/html/draft-ietf-core-sid-12 > A diff from the previous version is available at: > https://www.ietf.org/rfcdiff?url2=draft-ietf-core-sid-12 I have read the diffs during the WGLC, and previously, and this document is ready. -- Michael Richardson , Sandelman Software Works -= IPv6 IoT consulting =- --=-=-= Content-Type: application/pgp-signature; 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s=fm2; bh=Super1JVjIwleCf4s6f1FjTel/VafBJz7za2vfPtP uE=; b=kcFlHfRYmNUEZR/cs5S6d20fwgF7B6vOZuy6BX2FfspL5OF/VqVg1om4/ XdyqD8w/11YumgYWFBE5NsR7w9OFBwOoUceFcPU+41yOs84eLPP3wSBisgX32Heu jariGCcG0thO3sm+jJwp9spC08oMACG5iK9GXnotnLcDHyKA1ZcW+RqHdf77j9iA UoJoP/4mH88KE062n74DfxvvwIC1wH2DYlo2mZS6HCOIXfxL+qugOnG4XrJBaD7b t5x2XrR9EjSjEssN4KqpE8PH3JUiS2vlFdh+VJfcU8gkovExnfpQDnaYxzS0jxyT WYgdnTkGMES3HB4cCsbkDI0tRRV2g== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrudeivddgleehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepofgfggfkjghffffhvffutgfgsehtqhertderreejnecuhfhrohhmpedflfgr ihhmvgculfhimhgvnhgviidfuceojhgrihhmvgesihhkihdrfhhiqeenucffohhmrghinh epihgvthhfrdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghi lhhfrhhomhepjhgrihhmvgesihhkihdrfhhi X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id 5CAD44E009F; Sun, 29 Mar 2020 02:23:34 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.1.7-1021-g152deaf-fmstable-20200319v1 Mime-Version: 1.0 Message-Id: In-Reply-To: <20200313161744.n7ourfegu4s6w4gw@EMB-918HFH01> References: <20200313161744.n7ourfegu4s6w4gw@EMB-918HFH01> Date: Sun, 29 Mar 2020 09:23:14 +0300 From: "Jaime Jimenez" To: "CoRE WG" Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [core] WGA of draft-dijk-core-groupcomm-bis-03 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Mar 2020 06:23:39 -0000 Dear CoRE, As the positive feedback has been substantial and there is interest in t= he group to work on this, we will adopt draft-dijk-core-groupcomm-bis an= d close the adoption call. The authors should resubmit with the new draft to core wg. We can also c= reate a github repo where the draft can be worked on. Ciao! --=20 Jaime Jim=C3=A9nez On Fri, Mar 13, 2020, at 6:17 PM, Jaime Jimenez wrote: > Dear CoRE, >=20 > I would like to call for the WGA of "Group Communication for CoAP". > https://tools.ietf.org/html/draft-dijk-core-groupcomm-bis-03 >=20 > The is intended to replace the experimental RFC 7390 with a=20 > standards-track specification.=20 > It has been discussed on various previous IETFs and there was some=20 > existing in-room consensus for adoption.=20 > I would like to confirm that on the list, so let's have a call for > adoption of 2 weeks until March the 27th.=20 >=20 > Some of you have volunteer to review, so now it is a good time to do > that as well if you haven't already. >=20 > Ciao! > -- Jaime >=20 > From nobody Sun Mar 29 05:08:56 2020 Return-Path: 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 B5C9C3A03FC for ; Sun, 29 Mar 2020 05:08:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.201 X-Spam-Level: X-Spam-Status: No, score=-0.201 tagged_above=-999 required=5 tests=[DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: ericsson.com X-MS-Exchange-CrossTenant-Network-Message-Id: b9897aa0-8d0e-4401-0eeb-08d7d3d9f154 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Mar 2020 12:08:50.5596 (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: mer4DbiqU8SWkDGdt3N+p4CieZ7ZIXEOJLWuizh8brSbfcvRwOhz56w0gmtg1HKNZ0jYTWRtlMG7Kb0wchybRA3rjkcFm7ElWKGR7/fAvgo= X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR07MB4395 Archived-At: Subject: Re: [core] Disclosing Implementation Information: draft-bormann-t2trg-rel-impl-01.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Mar 2020 12:08:55 -0000 V291bGQgaXQgbWFrZSBzZW5zZSB0byBzdGFuZGFyZGl6ZSBob3cgdG8gZXhhY3RseSBleHByZXNz IHRoZSBpbmZvcm1hdGlvbiBhYm91dCB0aGUgaW1wbGVtZW50YXRpb24gYW5kIHZlcnNpb24/IEJl aW5nIGFibGUgdG8gZmluZCB0aGF0IGluZm9ybWF0aW9uIHNlZW1zIHVzZWZ1bCAtLSBidXQgaW5j b21wbGV0ZSA6LSkNCg0KQW5kIHRoZW4gSSdtIHdvbmRlcmluZyBpZiB0aGVyZSdzIGEgcmlzayB0 aGF0IHdlIG1pZ2h0IGVuZCB1cCB3aXRoIHNvbWV0aGluZyBsaWtlIHRoaXMgaW4gdGhlIGZ1dHVy ZToNCg0KMS4gQ2xpZW50IG1ha2VzIGEgR0VUIHJlcXVlc3Qgb24gdGhlIGltcGxlbWVudGF0aW9u IGluZm9ybWF0aW9uIHJlc291cmNlDQoyLiBTZXJ2ZXIgcmV0dXJucyBhIHN0cmluZyBsaWtlICJN b3ppbGxhLzUuMCAoV2luZG93cyBOVCAxMC4wOyBXaW42NDsgeDY0KSBBcHBsZVdlYktpdC81Mzcu MzYgKEtIVE1MLCBsaWtlIEdlY2tvKSBDaHJvbWUvODAuMC4zOTg3LjE0OSBTYWZhcmkvNTM3LjM2 Ig0KMy4gQ2xpZW50IGJlaGF2ZXMgZGlmZmVyZW50bHkgYmFzZWQgb24gdGhlIGltcGxlbWVudGF0 aW9uIGluZm9ybWF0aW9uDQoNCktsYXVzDQoNCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0t LQ0KPiBGcm9tOiBjb3JlIDxjb3JlLWJvdW5jZXNAaWV0Zi5vcmc+IE9uIEJlaGFsZiBPZiBDYXJz dGVuIEJvcm1hbm4NCj4gU2VudDogRnJpZGF5LCBNYXJjaCAyNywgMjAyMCA1OjEzIFBNDQo+IFRv OiB0MnRyZ0BpcnRmLm9yZzsgY29yZUBpZXRmLm9yZyBXRyA8Y29yZUBpZXRmLm9yZz4NCj4gU3Vi amVjdDogW2NvcmVdIERpc2Nsb3NpbmcgSW1wbGVtZW50YXRpb24gSW5mb3JtYXRpb246IGRyYWZ0 LWJvcm1hbm4tdDJ0cmctDQo+IHJlbC1pbXBsLTAxLnR4dA0KPg0KPiBJbiAyMDE4LCB3ZSBoYWQg YSBkaXNjdXNzaW9uIGFib3V0IHByb3ZpZGluZyBzZWxmLWRlc2NyaXB0aW9uIGluZm9ybWF0aW9u IHRoYXQNCj4gdGVsbHMgYSBjbGllbnQgc29tZXRoaW5nIGFib3V0IHRoZSBpbXBsZW1lbnRhdGlv biAoYW5kIHZlcnNpb24pIG9mIHRoZQ0KPiBzZXJ2ZXIuICBTbyBJIHdyb3RlIGEgYnJpZWYgZHJh ZnQsIGFuZCBJIHNlZW0gdG8gcmVtZW1iZXIgZXZlcnlib2R5IG5vZGRlZCwNCj4gYnV0IGl0IHdh c27igJl0IHF1aXRlIGNsZWFyIHdoZXRoZXIgdGhhdCB3YXMgYmVjYXVzZSB0aGV5IGFncmVlZCBv ciBiZWNhdXNlDQo+IHRoZXkgZmVsbCBhc2xlZXAuDQo+DQo+IEJ5IG5vdywgaXQgaGFzIGJlY29t ZSBtb3JlIGNsZWFyIHRoYXQgZGlzY2xvc3VyZSBvZiBpbXBsZW1lbnRhdGlvbg0KPiBpbmZvcm1h dGlvbiBjYW4gYmUgcXVpdGUgdXNlZnVsLiAgQWN0dWFsbHksIHdlIGFscmVhZHkgaGF2ZSBSRkMg ODUyMCAoTVVEKQ0KPiBmb3Igc29tZSB2ZXJ5IHNwZWNpZmljIGluZm9ybWF0aW9uIG9mIHRoaXMg a2luZC4gIEEgbW9yZSBmcmVlLWZvcm0gdmVyc2lvbiBzdGlsbA0KPiBzZWVtcyB1c2VmdWwsIGFu ZCBjYW4gdXNlIFdlYiBMaW5raW5nIChSRkMgODI4OCkgYW5kIExpbmstRm9ybWF0IChSRkMNCj4g NjY5MCkgc28gdGhlIHNwZWNpZmljYXRpb24gaXRzZWxmIGlzIHF1aXRlIG1pbmltYWwuDQo+DQo+ IFNvIEkgaGF2ZSBhZGRlZCBzb21lIHNlY3VyaXR5IGNvbnNpZGVyYXRpb25zIChwb2ludGluZyBv dXQsIGFtb25nIG90aGVyDQo+IHRoaW5ncywgdGhhdCB0aGlzIGRpc2Nsb3N1cmUgaXMgbm90IGFs d2F5cyBkZXNpcmFibGUpIGFuZCBjbGVhbmVkIHVwIHRoZSB0ZXh0IGENCj4gYml0LiAgU2VlIGxp bmtzIGJlbG93Lg0KPg0KPiBDb21tZW50cyAoKzEsIC0xLCBvciBhY3R1YWwgdGV4dCkgd291bGQg YmUgd2VsY29tZSwgYm90aCBmcm9tIFQyVFJHIGFuZA0KPiBmcm9tIENvUkUuICBJdCBzZWVtcyB0 aGUgQ29SRSB3b3JraW5nIGdyb3VwIG1pZ2h0IHdhbnQgdG8gY29uc2lkZXIgd29ya2luZw0KPiBn cm91cCBhZG9wdGlvbiBvZiB0aGlzIGRyYWZ0IG9yIGEgbmV4dCB2ZXJzaW9uLCBhdCB3aGljaCB0 aW1lIGl0IHdvdWxkDQo+IHRyYW5zaXRpb24gZnJvbSB0aGUgUkcgY29udGV4dCB0byB0aGUgV0cu DQo+DQo+IEdyw7zDn2UsIENhcnN0ZW4NCg0K From nobody Sun Mar 29 05:47:56 2020 Return-Path: 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 E7BB83A07CC for ; 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Sun, 29 Mar 2020 14:47:47 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.60.0.2.5\)) From: Carsten Bormann In-Reply-To: Date: Sun, 29 Mar 2020 14:47:46 +0200 Cc: "t2trg@irtf.org" , "core@ietf.org WG" X-Mao-Original-Outgoing-Id: 607178866.7292809-40e68d1897cc197107280e0c91218aac Content-Transfer-Encoding: quoted-printable Message-Id: <73646235-8594-4E63-866E-8F3ACFB0F2CB@tzi.org> References: <158532472527.24402.7156077840539978248@ietfa.amsl.com> To: Klaus Hartke X-Mailer: Apple Mail (2.3608.60.0.2.5) Archived-At: Subject: Re: [core] Disclosing Implementation Information: draft-bormann-t2trg-rel-impl-01.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Mar 2020 12:47:55 -0000 On 2020-03-29, at 14:08, Klaus Hartke wrote: >=20 > Would it make sense to standardize how to exactly express the = information about the implementation and version? Being able to find = that information seems useful -- but incomplete :-) If we want to encourage clients changing their behavior based on what = they find, as in your example below: Yes. If not: The resource at the other end of the link has a media type. We could still go ahead and define one or more media types for this. I=E2=80=99m just not sure that we=E2=80=99ll find more commonality than = text/plain or text/html here. (We could find ourselves in security.txt land, though [1]. Hmm.) > And then I'm wondering if there's a risk that we might end up with = something like this in the future: >=20 > 1. Client makes a GET request on the implementation information = resource > 2. Server returns a string like "Mozilla/5.0 (Windows NT 10.0; Win64; = x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 = Safari/537.36" > 3. Client behaves differently based on the implementation information Any way of standardizing self-describing information increases this risk = of sniffing against that. Implementations might react on impl-info or on the mere fact that the = temperature sensor resource is called =E2=80=9C/temp=E2=80=9D and not = =E2=80=9C/t=E2=80=9D... Gr=C3=BC=C3=9Fe, Carsten [1]: https://securitytxt.org/ From nobody Sun Mar 29 23:23:54 2020 Return-Path: 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 4E0B73A0E6A for ; Sun, 29 Mar 2020 23:23:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.279 X-Spam-Level: X-Spam-Status: No, score=0.279 tagged_above=-999 required=5 tests=[KHOP_HELO_FCRDNS=0.276, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no 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 QdC64E3dyQsH for ; Sun, 29 Mar 2020 23:23:45 -0700 (PDT) Received: from prometheus.amsuess.com (alt.prometheus.amsuess.com [IPv6:2a01:4f8:190:3064::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 520F53A0E5A for ; Sun, 29 Mar 2020 23:23:44 -0700 (PDT) Received: from poseidon-mailhub.amsuess.com (095129206250.cust.akis.net [95.129.206.250]) by prometheus.amsuess.com (Postfix) with ESMTPS id 3FCCC40023; Mon, 30 Mar 2020 08:23:42 +0200 (CEST) Received: from poseidon-mailbox.amsuess.com (hermes.amsuess.com [10.13.13.254]) by poseidon-mailhub.amsuess.com (Postfix) with ESMTP id 359296C; Mon, 30 Mar 2020 08:23:41 +0200 (CEST) Received: from hephaistos.amsuess.com (unknown [IPv6:2a02:b18:c13b:8010:c523:37b8:17ac:e8e3]) by poseidon-mailbox.amsuess.com (Postfix) with ESMTPSA id 02F5A121; Mon, 30 Mar 2020 08:23:41 +0200 (CEST) Received: (nullmailer pid 1884464 invoked by uid 1000); Mon, 30 Mar 2020 06:23:28 -0000 Date: Mon, 30 Mar 2020 08:23:28 +0200 From: Christian =?iso-8859-1?Q?Ams=FCss?= To: Carsten Bormann , Klaus Hartke Cc: t2trg@irtf.org, "core@ietf.org WG" Message-ID: <20200330062328.GA1882848@hephaistos.amsuess.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="X1bOJ3K7DJ5YkBrT" Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [core] Disclosing Implementation Information: draft-bormann-t2trg-rel-impl-01.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 06:23:48 -0000 --X1bOJ3K7DJ5YkBrT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 27, 2020 at 05:13:19PM +0100, Carsten Bormann wrote: > Comments (+1, -1, or actual text) would be welcome, both from T2TRG > and from CoRE. It seems the CoRE working group might want to consider > working group adoption of this draft or a next version, at which time > it would transition from the RG context to the WG. +1 on making implementation information something that is common, and on rel-impl as a starting point. We're seeing millions of CoAP devices on the Internet now, and I'm rather confident some of them do not implement all the amplification mitigation RFC7252 says they should do. With implementation information, reactions to large-scale attacks amplified through them can be made into a productive "everyone still using version X of Y *please* update to X2, which has been released two years ago already" rather than a blunt "Don't use CoAP". Servers written using aiocoap have been showing a link to the library version by default[1] since version 0.4b1, and I've heard some positive feedback from the RIOT community towards making this default as well. > Would it make sense to standardize how to exactly express the > information about the implementation and version? Being able to find > that information seems useful -- but incomplete :-) Structured information can be there in the payload using media types, as Carsten pointed out. I know some neat metadata format that can either embed such representations, or just include them if they use the same metadata format[2], but practically expect that the operators or tools that look those up will manage to follow the link. KR c [1]: https://aiocoap.readthedocs.io/en/latest/module/aiocoap.resource.html?= highlight=3Dwkc#aiocoap.resource.WKCResource [2]:=20 ``` core: impl-info { base:representation h'a2....' { http:type "application/metadata+cbor" } # alternatively versioninfo:vendor "Example Ltd" versioninfo:product "ProductOne" versioninfo:semver "0.99b1" } ``` --=20 To use raw power is to make yourself infinitely vulnerable to greater power= s. -- Bene Gesserit axiom --X1bOJ3K7DJ5YkBrT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEECM1tElX6OodcH7CWOY0REtOkveEFAl6BkFwACgkQOY0REtOk veHV2RAAh/vx8M7Dk26sEp2/xEvWM1quqmzYi7e8wmCpw+5Kk/jN0iknFMXRPWpQ CUEXEesvEiDwz5gIP3sn7GWJpbdOP0TJbjc5D8wswqdRI929xO8te8zNCwpFKyR3 irk0Q0HdGQaQr/aemO016MzFmGK7Y4nzDG45puOYlGpNaReE3h9PhO7NnSbpIwKi dfd4b4yMhMvwdNsNnpYwWujrTlnwMd7phoPgZ63xKeBo4nJKudW/9zxg9L/BFcRi t7hqmgKaUXwvgeSuNQQKb373eXH4NsYhpBTr0SNcqxnobPNZ6H/rSUWCr21veRf+ K6VSbTM8DGgGs+GvoNtxvZFMBfdu+L8PM+5EL6CqNIqBhcn2dpxGJsncMj0MPZ8I Fv15gajThCcl2/gDSFyo2rhHpUNBntURju5jRDnKvvwJhAkfarRHTKGLFcV4caR4 nm5xjXKMasz4y8amYiPi+zQoyGvP2RCfix3IMdXdZeEEssRChJWFuHvF1IcMldp8 JgnV4hdrZGDpXVPGq287zPrTdxWzXay6fmFZGUBKTT4e/FwuJhDbIrMb8YuZ/S4r XSs2rXQTFduMRka17iobjGoNF0ahnS3BvgK4ZzcYJhT/Wbe36kinXSoX+183WExS mSHZOuvCvHIidNEhvdqJbZTDRSQQ3GBe//jb56Wb4E0P5OqOzDg= =KBjm -----END PGP SIGNATURE----- --X1bOJ3K7DJ5YkBrT-- From nobody Mon Mar 30 00:52:12 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id D94223A100A; Mon, 30 Mar 2020 00:52:09 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: core@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.123.1 Auto-Submitted: auto-generated Precedence: bulk Reply-To: core@ietf.org Message-ID: <158555472978.5207.16674810688920912495@ietfa.amsl.com> Date: Mon, 30 Mar 2020 00:52:09 -0700 Archived-At: Subject: [core] I-D Action: draft-ietf-core-groupcomm-bis-00.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 07:52:10 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : Group Communication for the Constrained Application Protocol (CoAP) Authors : Esko Dijk Chonggang Wang Marco Tiloca Filename : draft-ietf-core-groupcomm-bis-00.txt Pages : 38 Date : 2020-03-30 Abstract: This document specifies the use of the Constrained Application Protocol (CoAP) for group communication, using UDP/IP multicast as the underlying data transport. Both unsecured and secured CoAP group communication are specified. Security is achieved by use of the Group Object Security for Constrained RESTful Environments (Group OSCORE) protocol. The target application area of this specification is any group communication use cases that involve resource- constrained networks. The most common of such use cases are also discussed. This document replaces [RFC7390] and updates [RFC7252] and [RFC7641]. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-groupcomm-bis/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-groupcomm-bis-00 https://datatracker.ietf.org/doc/html/draft-ietf-core-groupcomm-bis-00 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Mar 30 00:56:36 2020 Return-Path: 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 DFB733A1016 for ; Mon, 30 Mar 2020 00:56:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.002 X-Spam-Level: X-Spam-Status: No, score=0.002 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=ackl-io.20150623.gappssmtp.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 4zyWIXah8Jjd for ; Mon, 30 Mar 2020 00:56:29 -0700 (PDT) Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) (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 0DC823A1015 for ; Mon, 30 Mar 2020 00:56:28 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id t128so473192wma.0 for ; Mon, 30 Mar 2020 00:56:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ackl-io.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7d9s9+LvHOZXl2/efzLhrfB+dv/ZOPir6sJQGEmAr9g=; b=cTi4U1fWk0+6GghiJO4vPLYqssPCh6XCbqIT298c51h6uzzc6tMlztZZUD16vy1Mka bmV7/jQWhhlV51Y6A8maUxRTOBokwpUvSx07A8WdR0ImqImA2xXSPErWSWQnbFnO9nsb lQvObRTS+F9MXtD09E+FPJMHiA9a0g7WB7A6zh1mxWJTnW5YQfIuvnrgPSx0FX6FAhT+ bOPctaNfOSazKULSDiNcobwV9wV2nXQDvSNkzD7hhN6c+tsezPucZORrZT2rI+EwR4Ur V1yJUNZ2L2rqL7auN0lBQwgrRLUlH8Uyt59+X6kipf4dE7VcaTwOSZPYPcxDC3x1HsH7 JWPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7d9s9+LvHOZXl2/efzLhrfB+dv/ZOPir6sJQGEmAr9g=; b=uibnQ4X3oYvIGtphHMm5FfiKF/YjAdQYm9MiqHp6j3A6uR00E4XoswD8KXSiiyOrTN J0S3m/+VUbbDXKeSnjGViR+59MXwMp4QtFgcf9hK8cIPz8AMAQvzS8CgpcL4n2wlGsxK EmptKhb12/ez/PItGWbE89YO5g+pWEpdXyh2/p1mVbB1p3LYNVZ1LKeoMk7KrtKWRSpi HcfH7HL8vOfldFpSamaN0/G+BMCHQsGedL7dgK9JOewqnSCGsx9hSgCS/ALCPtFnaeS9 aC/uIspEwANChpcnmgSHuC6nT5Tw5c+wys68EXoKWMw1QWZGY9qrjrPiDPAaa4uBGEPR t/rg== X-Gm-Message-State: ANhLgQ2qUvIkijf9XCNSOoLsZgGmS5gcrtDFDNqVS7pdFIL1AglXvPpD 2IOsLKt+fX0HN16cQd3zArOoBAwh0vtZbCm7MyZNzAja X-Google-Smtp-Source: ADFU+vvNJT0HfZZerBa4x/y0RSZnd1nWCfpjbZjFGu6nkvqu3Qujcq7Q6EWfdxJ4oTme6K9LsgKpNPPYlRpEGFOa/lw= X-Received: by 2002:a1c:56d5:: with SMTP id k204mr12528088wmb.13.1585554986853; Mon, 30 Mar 2020 00:56:26 -0700 (PDT) MIME-Version: 1.0 References: <9AD3C4BB-7965-4776-84C4-6B5BFDCAA262@tzi.org> <15C8F1D1-B560-4D52-8D77-377C6B1C0518@tzi.org> In-Reply-To: <15C8F1D1-B560-4D52-8D77-377C6B1C0518@tzi.org> From: Ivaylo Petrov Date: Mon, 30 Mar 2020 09:56:00 +0200 Message-ID: To: "core@ietf.org WG" Cc: netmod@ietf.org Content-Type: multipart/alternative; boundary="000000000000c3794005a20dc9e3" Archived-At: Subject: Re: [core] =?utf-8?q?=F0=9F=94=94_WG_Last_Call_of_CORECONF_drafts=3A?= =?utf-8?q?_draft-ietf-core-yang-cbor-12=2C_-sid-11=2C_-comi-09=2C_-yang-l?= =?utf-8?q?ibrary-01?= X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 07:56:31 -0000 --000000000000c3794005a20dc9e3 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear all, I have reviewed those documents and I believe they are ready for publication. Best regards, Ivaylo On Mon, Mar 9, 2020 at 2:05 PM Carsten Bormann wrote: > It took us a long time to get the four CORECONF drafts in sync, > but now we are ready for WGLC. > > This starts a working group last call for > =E2=80=94 draft-ietf-core-yang-cbor-12 > =E2=80=94 draft-ietf-core-sid-11 > =E2=80=94 draft-ietf-core-comi-09 > =E2=80=94 draft-ietf-core-yang-library-01 > > ending on > > 24:00 UTC on Tuesday, March 31, 2020. > > (This includes some extra time for the IETF week and for cross-WG > coordination.) > > This WGLC is copied to the netmod WG mailing list; please do have a look > at these drafts as they are slated to become a part of the greater > YANG/NETCONF/RESTCONF family. We intend the discussion to be on the > CoRE mailing list, but if you find a fundamental issue with YANG or > RESTCONF, feel free to discuss that on netmod instead. > > Please start a new email thread for each major issue that will need > discussion and make sure the subject line includes the draft name and > some sort of name for the issue. (Minor issues such as typos can also > be sent to the authors.) > > If you read the draft and think it looks fine, please send a one line > email to the list or to the chairs letting us know that so we can get > a feel of how broad the review has been. > > (To reviewers and authors:) If you are aware of any patent claims that > might apply to systems that implement these drafts, please review BCP 78 > and BCP 79 and make any appropriate IPR declaration before the last-call > ends. If you are not sure whether you need to make a declaration or not, > please talk to the chairs and we will help. > > Gr=C3=BC=C3=9Fe, Carsten > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > --000000000000c3794005a20dc9e3 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Dear all,

I have= reviewed those documents and I believe they are ready for publication.

Best regards,
Ivaylo
=
<= div dir=3D"ltr">
=
=


On Mon, Mar 9, 2020 at 2:05 PM Cars= ten Bormann <cabo@tzi.= org> wrote:
It took us a long time to get the four CORECONF drafts in sync,
but now we are ready for WGLC.

This starts a working group last call for
=E2=80=94 draft-ietf-core-yang-cbor-12
=E2=80=94 draft-ietf-core-sid-11
=E2=80=94 draft-ietf-core-comi-09
=E2=80=94 draft-ietf-core-yang-library-01

ending on

=C2=A0 =C2=A0 =C2=A0 =C2=A0 24:00 UTC on Tuesday, March 31, 2020.

(This includes some extra time for the IETF week and for cross-WG
coordination.)

This WGLC is copied to the netmod WG mailing list; please do have a look at these drafts as they are slated to become a part of the greater
YANG/NETCONF/RESTCONF family.=C2=A0 We intend the discussion to be on the CoRE mailing list, but if you find a fundamental issue with YANG or
RESTCONF, feel free to discuss that on netmod instead.

Please start a new email thread for each major issue that will need
discussion and make sure the subject line includes the draft name and
some sort of name for the issue.=C2=A0 (Minor issues such as typos can also=
be sent to the authors.)

If you read the draft and think it looks fine, please send a one line
email to the list or to the chairs letting us know that so we can get
a feel of how broad the review has been.

(To reviewers and authors:)=C2=A0 If you are aware of any patent claims tha= t
might apply to systems that implement these drafts, please review BCP 78 and BCP 79 and make any appropriate IPR declaration before the last-call ends. If you are not sure whether you need to make a declaration or not, please talk to the chairs and we will help.

Gr=C3=BC=C3=9Fe, Carsten

_______________________________________________
core mailing list
core@ietf.org
https://www.ietf.org/mailman/listinfo/core
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Mon, 30 Mar 2020 10:17:15 +0000 From: Marco Tiloca To: "core@ietf.org WG (core@ietf.org)" References: <14980394-beb2-d32a-ebbf-dd2c64de2af3@ri.se> <59e93b5c-348d-8c68-759f-4d18742c7d8c@ri.se> Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: Date: Mon, 30 Mar 2020 12:17:08 +0200 User-Agent: Mozilla/5.0 (X11; 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boundary="UzhQ1FhhH6UclK0nQaR1oCApF3Qg1fnRN" --UzhQ1FhhH6UclK0nQaR1oCApF3Qg1fnRN Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hello CoRE people, Just a kind reminder, please fill the Doodle poll below by Wednesday, April 1st, EOB. https://doodle.com/poll/gw8rciqdqhiwyf46 Thanks to those who have done it already! Best, Marco and Jaime On 2020-03-25 09:39, Marco Tiloca wrote: > Dear all, > > To make the poll simpler, we have set up a new Doodle using local times= =2E > > https://doodle.com/poll/gw8rciqdqhiwyf46 > > The same original options are provided, referring to the last week of > April. The meetings will then happen every other week starting from tha= t > one, until the end of June. > > Please, indicate your preferences by April 1st, EOB. > > Best, > Marco and Jaime > > > On 2020-03-24 23:51, Marco Tiloca wrote: >> Hello CoRE, >> >> We are planning to schedule regular virtual interim meetings, recurrin= g >> every other week, starting from the last week of April and until the e= nd >> of June. >> >> Please, cast your preferences at the Doodle pool below, about your >> preferred day(s) of the week and time(s) of the day, by April 1st EOB.= >> >> https://doodle.com/poll/2bkknbgtdzrpa5fm >> >> Note that all times are UTC and that we are soon entering daylight >> saving time. >> >> Best, >> Marco and Jaime >> --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --UzhQ1FhhH6UclK0nQaR1oCApF3Qg1fnRN-- --RDGrYovoWv7M1qbV99s9jQ74oia1G2fA9 Content-Type: application/pgp-signature; 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Mon, 30 Mar 2020 07:00:21 -0400 (EDT) Date: Mon, 30 Mar 2020 14:00:20 +0300 From: =?utf-8?Q?Jaime=20Jim=C3=A9nez?= To: Carsten Bormann Cc: t2trg@irtf.org, "core@ietf.org WG" Message-ID: <20200330110020.vq3tzohvjwmrb2bm@EMB-918HFH01> References: <158532472527.24402.7156077840539978248@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Archived-At: Subject: Re: [core] Disclosing Implementation Information: draft-bormann-t2trg-rel-impl-01.txt X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 11:00:34 -0000 Hi, chair hat off. I find the draft very useful and easy to implement. I'd expect that CoAP implementations out there can incorporate it quickly. If there are other potential link-relations that are needed we might want to bundle them in one document similar to RFC6903. Ciao, Jaime On Fri, Mar 27, 2020 at 05:13:19PM +0100, Carsten Bormann wrote: > In 2018, we had a discussion about providing self-description information that tells a client something about the implementation (and version) of the server. So I wrote a brief draft, and I seem to remember everybody nodded, but it wasn’t quite clear whether that was because they agreed or because they fell asleep. > > By now, it has become more clear that disclosure of implementation information can be quite useful. Actually, we already have RFC 8520 (MUD) for some very specific information of this kind. A more free-form version still seems useful, and can use Web Linking (RFC 8288) and Link-Format (RFC 6690) so the specification itself is quite minimal. > > So I have added some security considerations (pointing out, among other things, that this disclosure is not always desirable) and cleaned up the text a bit. See links below. > > Comments (+1, -1, or actual text) would be welcome, both from T2TRG and from CoRE. It seems the CoRE working group might want to consider working group adoption of this draft or a next version, at which time it would transition from the RG context to the WG. > > Grüße, Carsten > > > > On 2020-03-27, at 16:58, internet-drafts@ietf.org wrote: > > > > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > > > > > > Title : impl-info: A link relation type for disclosing implementation information > > Author : Carsten Bormann > > Filename : draft-bormann-t2trg-rel-impl-01.txt > > Pages : 4 > > Date : 2020-03-27 > > > > Abstract: > > For debugging, it is often helpful to have information about the > > implementation of a peer. The present specification defines a link > > relation type, "impl-info", that can be used to convey such > > information via self-description, such as in the "/.well-known/core" > > resource. > > > > > > The IETF datatracker status page for this draft is: > > https://datatracker.ietf.org/doc/draft-bormann-t2trg-rel-impl/ > > > > There are also htmlized versions available at: > > https://tools.ietf.org/html/draft-bormann-t2trg-rel-impl-01 > > https://datatracker.ietf.org/doc/html/draft-bormann-t2trg-rel-impl-01 > > > > A diff from the previous version is available at: > > https://www.ietf.org/rfcdiff?url2=draft-bormann-t2trg-rel-impl-01 > > > > > > Please note that it may take a couple of minutes from the time of submission > > until the htmlized version and diff are available at tools.ietf.org. > > > > Internet-Drafts are also available by anonymous FTP at: > > ftp://ftp.ietf.org/internet-drafts/ > > > > > > _______________________________________________ > > I-D-Announce mailing list > > I-D-Announce@ietf.org > > https://www.ietf.org/mailman/listinfo/i-d-announce > > Internet-Draft directories: http://www.ietf.org/shadow.html > > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core From nobody Mon Mar 30 04:16:16 2020 Return-Path: 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 27CA43A13CD; Mon, 30 Mar 2020 04:16:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0 X-Spam-Level: X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=btconnect.onmicrosoft.com Received: from mail.ietf.org 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d2hldGhlciB5b3UgbmVlZCB0byBtYWtlIGEgZGVjbGFyYXRpb24gb3Igbm90LCANCnBsZWFzZSB0 YWxrIHRvIHRoZSBjaGFpcnMgYW5kIHdlIHdpbGwgaGVscC4NCg0KR3LDvMOfZSwgQ2Fyc3Rlbg0K DQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KY29yZSBt YWlsaW5nIGxpc3QNCmNvcmVAaWV0Zi5vcmcNCmh0dHBzOi8vd3d3LmlldGYub3JnL21haWxtYW4v bGlzdGluZm8vY29yZQ0K From nobody Mon Mar 30 04:17:59 2020 Return-Path: X-Original-To: core@ietf.org Delivered-To: core@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 576663A13FA; Mon, 30 Mar 2020 04:17:47 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat To: , , X-Test-IDTracker: no X-IETF-IDTracker: 6.123.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <158556706732.5269.1956012818645113107@ietfa.amsl.com> Date: Mon, 30 Mar 2020 04:17:47 -0700 Archived-At: Subject: [core] The CORE WG has placed draft-fossati-core-coap-problem in state "Candidate for WG Adoption" X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 11:17:58 -0000 The CORE WG has placed draft-fossati-core-coap-problem in state Candidate for WG Adoption (entered by Jaime Jimenez) The document is available at https://datatracker.ietf.org/doc/draft-fossati-core-coap-problem/ From nobody Mon Mar 30 05:24:33 2020 Return-Path: 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 740ED3A1504; Mon, 30 Mar 2020 05:24:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.011 X-Spam-Level: X-Spam-Status: No, score=0.011 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] 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i3mr11099284ybh.462.1585571183184; Mon, 30 Mar 2020 05:26:23 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Laurent Toutain Date: Mon, 30 Mar 2020 14:25:44 +0200 X-Gmail-Original-Message-ID: Message-ID: To: "core@ietf.org WG" , "netmod@ietf.org" Content-Type: multipart/alternative; boundary="00000000000023d02605a2118f8e" Archived-At: Subject: Re: [core] =?utf-8?q?=F0=9F=94=94_WG_Last_Call_of_CORECONF_drafts=3A?= =?utf-8?q?_draft-ietf-core-yang-cbor-12=2C_-sid-11=2C_-comi-09=2C_-yang-l?= =?utf-8?q?ibrary-01_/_-sid-11_review?= X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 12:26:31 -0000 --00000000000023d02605a2118f8e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi, I've uses these drafts, mainly -sid, -cbor, -comi, when I was defining the SCHC Data Model to study the impact of CORECONF on the serialization. For me, it is a mature work describing CORECONF. Documents are clear with examples. I looked at the diff for the latest versions and I don't see any significant changes, so for me, these documents are ready. Laurent On Mon, Mar 30, 2020 at 1:18 PM Esko Dijk wrote: > Hello CoRE, > > I did a quick review of the -sid-11 draft; it looks ready for publication= . > Some minor issues found : > > Reference to RFC 7120 early allocation procedure: the allocation policies > for the registries are all "Expert review". And the RFC 7120 early > allocation procedure is defined, to do early allocations. However RFC 712= 0 > mentions that this procedure only applies in case : > (Section 2) > a. The code points must be from a space designated as "RFC > Required", "IETF Review", or "Standards Action". Additionally, > requests for early assignment of code points from a > "Specification Required" registry are allowed if the > specification will be published as an RFC. > So at first sight it looks like the procedure is not applicable, taken > strictly. However IANA indicates ( > https://www.iana.org/help/protocol-registration) that "Expert review" is > part of "Specification Required" so it would apply still. But in RFC 8126 > this is not mentioned in the same manner - so it could confuse some reade= rs > about whether it applies or not. Maybe some text could be added to state > why RFC 7120 process does apply to the "Expert review" policy, even thoug= h > "Expert review" is not listed under Section 2 point a. of RFC 7120. (Not= e > that early allocation by RFC 7120 only applies to "Expert review" > allocations for draft documents that aim to become RFC.) > > Section 6.3.3: table column 1 is very narrow and it breaks the entry poin= t > integer number, which is confusing. Why not make this column wider by one > character? One of the last 2 columns can be made more narrow if needed. > > Section 3: "RESCONF" -> RESTCONF > > Section 3: CoRECONF -> CORECONF > > Section 3: "For example how this could be achieved, please refer to" > -> For examples on how this could be achieved, please refer to > > Section 3: "For diagram of one" > -> For a diagram of one ... > > Best regards > > Esko > > IoTconsultancy.nl | Email/Skype: esko.dijk@iotconsultancy.nl > > > > -----Original Message----- > From: core On Behalf Of Carsten Bormann > Sent: Monday, March 9, 2020 14:05 > To: core > Cc: netmod@ietf.org > Subject: [core] =F0=9F=94=94 WG Last Call of CORECONF drafts: > draft-ietf-core-yang-cbor-12, -sid-11, -comi-09, -yang-library-01 > > It took us a long time to get the four CORECONF drafts in sync, > but now we are ready for WGLC. > > This starts a working group last call for > =E2=80=94 draft-ietf-core-yang-cbor-12 > =E2=80=94 draft-ietf-core-sid-11 > =E2=80=94 draft-ietf-core-comi-09 > =E2=80=94 draft-ietf-core-yang-library-01 > > ending on > > 24:00 UTC on Tuesday, March 31, 2020. > > (This includes some extra time for the IETF week and for cross-WG > coordination.) > > This WGLC is copied to the netmod WG mailing list; please do have a look > at these drafts as they are slated to become a part of the greater > YANG/NETCONF/RESTCONF family. We intend the discussion to be on the > CoRE mailing list, but if you find a fundamental issue with YANG or > RESTCONF, feel free to discuss that on netmod instead. > > Please start a new email thread for each major issue that will need > discussion and make sure the subject line includes the draft name and > some sort of name for the issue. (Minor issues such as typos can also > be sent to the authors.) > > If you read the draft and think it looks fine, please send a one line > email to the list or to the chairs letting us know that so we can get > a feel of how broad the review has been. > > (To reviewers and authors:) If you are aware of any patent claims that > might apply to systems that implement these drafts, please review BCP 78 > and BCP 79 and make any appropriate IPR declaration before the last-call > ends. If you are not sure whether you need to make a declaration or not, > please talk to the chairs and we will help. > > Gr=C3=BC=C3=9Fe, Carsten > > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > _______________________________________________ > core mailing list > core@ietf.org > https://www.ietf.org/mailman/listinfo/core > --=20 Laurent Toutain +--- VoIP (recommended) ---+----------- T=C3=A9l=C3=A9com Bretagne --------= ---+ | Tel: +33 2 22 06 8156 | Tel: + 33 2 99 12 7026 | Visit : | Mob: +33 6 800 75 900 | | | Fax: +33 2 22 06 8445 | Fax: +33 2 99 12 7030 | http://class.touta.in | Laurent@Touta.in | Laurent.Toutain@Telecom-Bretagne.eu | +--------------------------+----------------------------------------+ --00000000000023d02605a2118f8e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

I've uses these draf= ts, mainly -sid, -cbor, -comi, when I was defining the SCHC Data Model to s= tudy the impact of CORECONF on the serialization.
For me, it= is a mature work describing CORECONF. Documents are clear with examples. I= looked at the diff for the latest versions and I don't see
<= div>any significant changes, so for me, these documents are ready.

Laurent

On Mon, Mar 30, 2020 at 1:18 PM Esko Dijk= <esko.= dijk@iotconsultancy.nl> wrote:
Hello CoRE,

I did a quick review of the -sid-11 draft; it looks ready for publication. = Some minor issues found :

Reference to RFC 7120 early allocation procedure: the allocation policies f= or the registries are all "Expert review". And the RFC 7120 early= allocation procedure is defined, to do early allocations. However RFC 7120= mentions that this procedure only applies in case :
=C2=A0 =C2=A0(Section 2)
=C2=A0 =C2=A0a. The code points must be from a space designated as "RF= C
=C2=A0 =C2=A0 =C2=A0 =C2=A0Required", "IETF Review", or &quo= t;Standards Action".=C2=A0 Additionally,
=C2=A0 =C2=A0 =C2=A0 =C2=A0requests for early assignment of code points fro= m a
=C2=A0 =C2=A0 =C2=A0 =C2=A0"Specification Required" registry are = allowed if the
=C2=A0 =C2=A0 =C2=A0 =C2=A0specification will be published as an RFC.
So at first sight it looks like the procedure is not applicable, taken stri= ctly. However IANA indicates (https://www.iana.org/he= lp/protocol-registration) that "Expert review" is part of &qu= ot;Specification Required" so it would apply still. But in RFC 8126 th= is is not mentioned in the same manner - so it could confuse some readers a= bout whether it applies or not. Maybe some text could be added to state why= RFC 7120 process does apply to the "Expert review" policy, even = though "Expert review" is not listed under Section 2 point a. of = RFC 7120.=C2=A0 (Note that early allocation by RFC 7120 only applies to &qu= ot;Expert review" allocations for draft documents that aim to become R= FC.)

Section 6.3.3: table column 1 is very narrow and it breaks the entry point = integer number, which is confusing. Why not make this column wider by one c= haracter? One of the last 2 columns can be made more narrow if needed.

Section 3: "RESCONF" -> RESTCONF

Section 3: CoRECONF -> CORECONF

Section 3: "For example how this could be achieved, please refer to&qu= ot;
-> For examples on how this could be achieved, please refer to

Section 3: "For diagram of one"
-> For a diagram of one ...

Best regards

Esko

IoTconsultancy.nl=C2=A0 |=C2=A0 Email/Skype: esko.dijk@iotconsultancy.nl



-----Original Message-----
From: core <c= ore-bounces@ietf.org> On Behalf Of Carsten Bormann
Sent: Monday, March 9, 2020 14:05
To: core <core@ietf.o= rg>
Cc: netmod@ietf.org
Subject: [core] =F0=9F=94=94 WG Last Call of CORECONF drafts: draft-ietf-co= re-yang-cbor-12, -sid-11, -comi-09, -yang-library-01

It took us a long time to get the four CORECONF drafts in sync,
but now we are ready for WGLC.

This starts a working group last call for
=E2=80=94 draft-ietf-core-yang-cbor-12
=E2=80=94 draft-ietf-core-sid-11
=E2=80=94 draft-ietf-core-comi-09
=E2=80=94 draft-ietf-core-yang-library-01

ending on

=C2=A0 =C2=A0 =C2=A0 =C2=A0 24:00 UTC on Tuesday, March 31, 2020.

(This includes some extra time for the IETF week and for cross-WG
coordination.)

This WGLC is copied to the netmod WG mailing list; please do have a look at these drafts as they are slated to become a part of the greater
YANG/NETCONF/RESTCONF family.=C2=A0 We intend the discussion to be on the CoRE mailing list, but if you find a fundamental issue with YANG or
RESTCONF, feel free to discuss that on netmod instead.

Please start a new email thread for each major issue that will need
discussion and make sure the subject line includes the draft name and
some sort of name for the issue.=C2=A0 (Minor issues such as typos can also=
be sent to the authors.)

If you read the draft and think it looks fine, please send a one line
email to the list or to the chairs letting us know that so we can get
a feel of how broad the review has been.

(To reviewers and authors:)=C2=A0 If you are aware of any patent claims tha= t
might apply to systems that implement these drafts, please review BCP 78 and BCP 79 and make any appropriate IPR declaration before the last-call ends. If you are not sure whether you need to make a declaration or not, please talk to the chairs and we will help.

Gr=C3=BC=C3=9Fe, Carsten

_______________________________________________
core mailing list
core@ietf.org
https://www.ietf.org/mailman/listinfo/core
_______________________________________________
core mailing list
core@ietf.org
https://www.ietf.org/mailman/listinfo/core


--
Laurent Toutain=C2=A0
+--- VoIP (re= commended) ---+----------- T=C3=A9l=C3=A9com Bretagne -----------+
| Tel= : +33 2 22 06 8156 =C2=A0 =C2=A0| Tel: + 33 2 99 12 7026 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 | Visit :
| Mob: +33 6 800 75 900 =C2=A0 =C2=A0| =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|
| Fax: +33 2 22 06 84= 45 =C2=A0 =C2=A0| Fax: +33 2 99 12 7030 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0| =C2=A0http://class.touta.in
| Laurent@Touta.in =C2=A0 =C2=A0 = =C2=A0 =C2=A0 | Laurent.Toutain@Telecom-Bretagne.eu =C2=A0 =C2=A0|
+----= ----------------------+----------------------------------------+
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dHMsIHBsZWFzZSByZXZpZXcgQkNQIDc4CmFuZCBCQ1AgNzkgYW5kIG1ha2UgYW55IGFwcHJvcHJp YXRlIElQUiBkZWNsYXJhdGlvbiBiZWZvcmUgdGhlIGxhc3QtY2FsbAplbmRzLiBJZiB5b3UgYXJl IG5vdCBzdXJlIHdoZXRoZXIgeW91IG5lZWQgdG8gbWFrZSBhIGRlY2xhcmF0aW9uIG9yIG5vdCwK cGxlYXNlIHRhbGsgdG8gdGhlIGNoYWlycyBhbmQgd2Ugd2lsbCBoZWxwLgoKR3LDvMOfZSwgQ2Fy c3RlbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KY29y ZSBtYWlsaW5nIGxpc3QKY29yZUBpZXRmLm9yZwpodHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2NvcmUKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KbmV0bW9kIG1haWxpbmcgbGlzdApuZXRtb2RAaWV0Zi5vcmcKaHR0cHM6Ly93d3cuaWV0 Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9uZXRtb2QK From nobody Mon Mar 30 09:22:36 2020 Return-Path: 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 BDFE23A182A for ; Mon, 30 Mar 2020 09:22:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.012 X-Spam-Level: X-Spam-Status: No, score=0.012 tagged_above=-999 required=5 tests=[SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 HG8YQnjaqz_G for ; Mon, 30 Mar 2020 09:22:32 -0700 (PDT) Received: from tuna.sandelman.ca (tuna.sandelman.ca [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 360933A0CC7 for ; Mon, 30 Mar 2020 09:22:29 -0700 (PDT) Received: from sandelman.ca (obiwan.sandelman.ca [209.87.249.21]) by tuna.sandelman.ca (Postfix) with ESMTP id C81333897E for ; Mon, 30 Mar 2020 12:20:54 -0400 (EDT) Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id 5BDB8451 for ; Mon, 30 Mar 2020 12:22:23 -0400 (EDT) From: Michael Richardson To: core@ietf.org X-Attribution: mcr X-Mailer: MH-E 8.6; nmh 1.7+dev; GNU Emacs 25.1.1 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Archived-At: Subject: [core] comments on CORECONF drafts in WGLC X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 16:22:35 -0000 --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, I have read: =E2=80=94 draft-ietf-core-yang-cbor-12 =E2=80=94 draft-ietf-core-sid-11 I have implementation experience, and I've used these in other protocols, a= nd I strongly agree that they are ready for publication! I read the COMI document some time ago, and I thought the approach was fine. I do not have any implementation experience, so I have no attempted = to understand the document at that level of detail. I would have liked to use COMI directly as part of ietf-6tisch-minimal-secu= rity's CoJP, but we would up creating a bespoke CBOR encoding, which is unfortunat= e. I suggest that the COMI document include the word "CORECONF" in it's title. -> "CoAP Management Interface (CORECONF)" as I think that it is the starting document that leadds to the other three documents. This will make it easier to find in rfc-index.txt. The security considerations, and authorization for this system is underspecified. This was ultimately was killed SNMPv2, and led to a multi-decade long failure of SNMPv3. I suspect that this part will have a difficult time with security ADs. I think that a stronger link to ACE, is in order, and an introspective interface (using COMI!) into the authorization mechanism would help. This could be new work, and I suspect that there are many in t2trg and out = in industry groups like OCF and CHIP that would like to have such a thing, but it is a non-trivial amount of work. I read draft-ietf-core-yang-library-01 when it was adopted. I have *no* expertise on the YANG in this document, and I have no expertise building network management systems that would need to this level of intros= pection. As I understand it, this module provides a constrained version of ietf-yang-library, the purpose of both is to describe which modules a device supports. I have no experience with introspection of devices like this, even doing SNMPv2 going back decades: it either worked or it didn't, usually it didn't, and one just guessed what the device supported, or read the manual. I understand the goals here, but I'm not certain, particularly in a constrained *network* that there is value in doing this. I think that I'd rather get this information from a URL provided in an RFC8520 (MUD). I don't object to it though. I wonder if queries against this module could be answered with static content generated at compile time, and therefore from "ROM"? I disagree with the Security Considerations, that knowing the list of modules helps the attacker to the extent that it is important to provide specific read controls on it. Attackers already have a copy of the ROM ;-) I would say that the entire COMI interface needs authorized read access, and this module no more than any other module. I think that there might be future opportunities to link some of this work = to the SUIT work, to the CoSWID work, and maybe to the RATS work. =2D- Michael Richardson , Sandelman Software Works -=3D IPv6 IoT consulting =3D- --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbsyLEzg/qUTA43uogItw+93Q3WUFAl6CHL8ACgkQgItw+93Q 3WV7CQf+I40fFS3dkiqn/gyT3t/dUU1KjKSj/c378Q9ZMstJspJySc6EwxVa8p17 NNmInD7CdoyUfqPZEJttjVKa4zN3okqop4Mokl4PXzJk+xU9Fzas1IIBOIpN3fkD LgcXZ73rHT83Joo4P2JMKn5htrGSoNK/bJxaK/WkgQo4hXrx3clxINqXSnHJPC41 xYEzT0KZbl8H9HS15P8iPuPAjfFG/gXgtF03MjCFsonvB/e9oH9OLtKYpK1d44xM gDJCKcOk5v3KvYQ2YIQgT0qYQ1h2nPSDsqwjelOOuLzHCArbLwaYUQR9QkFJNviv DPYVeygioh+wtLsXc3R/hR220/cnsg== =3bW6 -----END PGP SIGNATURE----- --=-=-=-- From nobody Mon Mar 30 14:01:15 2020 Return-Path: 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 81A183A1124 for ; 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boundary="sW4gDGAqdAMyutmdLpf4NjbC8uop7X6Y7" --sW4gDGAqdAMyutmdLpf4NjbC8uop7X6Y7 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hello CoRE, The two virtual meetings replacing IETF 107 are confirmed for the intended days and times, as summarized below. [Meeting 1] Date and time: 8th of April 2020, 13:00-15:00 UTC [1] Webex link: https://ietf.webex.com/webappng/sites/ietf/meeting/info/12f03cd44d7d4079b= 925586135df03ee [Meeting 2] Date and time: 16th of April 2020, 13:00-14:30 UTC [2] Webex link: https://ietf.webex.com/webappng/sites/ietf/meeting/info/1ccf8929f40d4ff2a= 6ff4a6b46521a12 Like in regular IETF meetings, we plan to also use Jabber. In particular also for the virtual microphone queue, you may want to say =E2=80=9Chelp = q=E2=80=9D in xmpp:core@jabber.ietf.org?join The planned agenda for both meetings is available at: https://github.com/core-wg/wg-materials/blob/master/ietf107/core-107-agen= da.md Please, provide the chairs with the intended objectives for your pertaining time slot and the name of the intended discussion leader/presenter, if they are not included already. Finally, please send your slides to the chairs: - By the 6th of April for the first meeting. - By the 14th of April for the second meeting. Consolidated slides will be also made available at: https://github.com/core-wg/wg-materials/tree/master/ietf107 Best, Marco and Jaime [1] https://www.timeanddate.com/worldclock/meetingdetails.html?year=3D2020&mo= nth=3D4&day=3D8&hour=3D13&min=3D0&sec=3D0&p1=3D239&p2=3D179 [2] https://www.timeanddate.com/worldclock/meetingdetails.html?year=3D2020&mo= nth=3D4&day=3D16&hour=3D13&min=3D0&sec=3D0&p1=3D239&p2=3D179 --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --sW4gDGAqdAMyutmdLpf4NjbC8uop7X6Y7-- --DA79zxuDUCG5riYbjXD5SOxEejfD4zwW1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl6CXgwACgkQ7iZktA5Y 2kOq/gf9F7/FcFm0NboES3LzSiNZF/NOCXFrYbT9dY4KYaarPb+YbcuHpNS+IdOh QnPIyBQbG2Cd9gjNFTjkGHYwMftRRgxuPhXwSb54K5vuBs+uNtv9ZVjzHItUWfFr o9ftm8eEmcwh1chu4bHjfO/1Et/3QAXU17wifeoeZYjPTmyWTZbd+ksXIMiXxu0m cXmRdQWYy9gZDCwRp5wjL3Cz/CEA8j8GTWIA1dTrRCLEZlCbEHXKLrCNbCY7Jgo2 zwCXCivR5s4Xsh8xOYnSGWpIFU3D5stlmsm2qggjI5WaMjK3q1nISwXBtqnq90i+ weIIc+Crkbqctt+wp9WPCasJ6G3tXw== =phm2 -----END PGP SIGNATURE----- --DA79zxuDUCG5riYbjXD5SOxEejfD4zwW1-- From nobody Mon Mar 30 14:31:47 2020 Return-Path: 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 3E7F93A137A; 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Mon, 30 Mar 2020 21:31:36 +0000 Date: Mon, 30 Mar 2020 23:31:29 +0200 From: Juergen Schoenwaelder To: core@ietf.org Cc: netmod@ietf.org Message-ID: <20200330213129.m2azrbeaxrtgivfc@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder Mail-Followup-To: core@ietf.org, netmod@ietf.org Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-ClientProxiedBy: FR2P281CA0036.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:14::23) To DB6P190MB0310.EURP190.PROD.OUTLOOK.COM (2603:10a6:6:3e::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost (2001:638:709:5::7) by FR2P281CA0036.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:14::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2856.20 via Frontend Transport; Mon, 30 Mar 2020 21:31:36 +0000 X-Originating-IP: [2001:638:709:5::7] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ffe754de-bb93-4c5e-6d4a-08d7d4f1b9e9 X-MS-TrafficTypeDiagnostic: DB6P190MB0376: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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I will try to review yang-cbor tomorrow as well. (I am probably more interested in CBOR encoding for RESTCONF than the usage of CoAP itself, hence my priority on these two IDs under last call.) - Avoid the use of the word 'template', which is not a well defined term and may be used with varying interpretations. o data nodes (Note: including those parts of a YANG template as defined by the 'yang-data' extension.) It is not clear to me what is meant with "those parts of a YANG template as defined by the 'yang-data' extension." I think this could benefit from a rewording. - The ID seems to assume that semantics of yang items never change. This is true so far but NETMOD has chartered work that might change this property. So what happens if the semantics of a YANG item changes? SIDs are assigned permanently, items introduced by a new revision of a YANG module are added to the list of SIDs already assigned. If a YANG module changes in a non-backwards compatible way, I assume a new sid range must be allocated? Strictly speaking, this question does not have to be answered today but it very likely needs an answer in the future... - The definition of 'path' is not very precise, i.e., it does not spell out how module namespaces work, only by example.. I do not know whether a definition can be imported from somewhere. - s/RESCONF/RESTCONF/ - Is it CoRECONF or CORECONF? And I find the term CORECONF confusing. We have two protocols called NETCONF and RESTCONF and now we add another protocol called CoMI and we call CoMI together with YANG CBOR and SIDs CORECONF? 1) NETCONF + YANG + XML serialization + path naming -> ? 2) RESTCONF + YANG + XML|JSON serialization + path naming -> ? 3) CoMI + YANG + CBOR serialization + SID naming -> CORECONF We do not have a term for 1) and 2) and then we have a term for 3) which, however, looks more like the protocol names used in 1) and 2). This comment is not specific to this ID, but the asymmetry showed up while reading the SID document, I had to look at other IDs to understand how things are named. And the SID document says YANG is a language designed to model data accessed using one of the compatible protocols (e.g. NETCONF [RFC6241], RESCONF [RFC8040] and CoRECONF [I-D.ietf-core-comi]). Then I read the CoMI abstract. It first says CoMI is "a CoAP Management Interface", it then says "The complete solution composed of CoMI, [I-D.ietf-core-yang-cbor] and [I-D.ietf-core-sid] is called CORECONF." and finally it states that "CORECONF extends the set of YANG based protocols, NETCONF and RESTCONF, with the capability to manage constrained devices and networks.". So I am confused, is CORECONF a protocol as stated in this document? Or is CoMI a protocol? (What is then the difference between a "Management Interface" and a management protocol?) I am not sure whether I get to review comi, hence I mention my confusion here as I hit it while reviewing the sid document. - This description makes little sense to me: typedef sid-file-version-identifier { type uint64; description "Optional attribute that gives information about the .sid file version."; } This is a type definition. Why does the description talk about an optional attribute? The type should not state whether something using the type is optional or not. (And I would prefer to avoid 'attribute', better use YANG defined terms or just describe that this type represents a version number for a SID file.) - sid range - was it not said before that it is 63 bits? Is the idea that sids with the highest bit set are legal but undefined or reserved? Or should there be a range restriction? typedef sid { type uint64; description "YANG Schema Item iDentifier"; reference "[I-D.ietf-core-sid] YANG Schema Item iDentifier (SID)"; } - schema-node-path "Identifies a schema-node path string for use in the SID registry. This string format follows the rules for an instance-identifier, as defined in RFC 7959, except that no predicates are allowed. RFC 7959 seems to be a typo, I assume you mean RFC 7951 s/Identifies a schema-node path string/A schema-node path" It is a bit confusing to define a schema-node path by way of reference to an instance identifier. I understand that you borrow the namespace encoding from the way JSON encode instance identifiers but this type really represents what RFC 7950 calls an absolute schema node identifier, no? Is the term schema-node path actually needed or is it the same as absolute schema node identifier? Or is the difference between the two how namespaces are represented? - dependency-revision list dependency-revision { key "module-name"; description "Information about the revision of each YANG module that the module in 'module-name' includes used during the .sid file generation."; The sentence can probably be rewritten to make it clearer. Are the SIDs assigned to a module dependent on the modules listed in the 'dependency-revision'? (Is this a good name for the list?) Why is it necessary to know which revisions were used to resolve imports without revision? - Please avoid wrapped entry point numbers in the table in 6.3.3. - The handling of early allocations sounds complex, I have some doubts this process will work in practice... - Incomplete sentence: RFC7120] also says Or is the following paragraph a quote? In that case, add a colon. - There are likely more normative references, e.g., RFC 6991 and RFC 8040. - Why does the example in appendix A not have / need dependency-revisions? - I have not run any tools to validate things. I just read the I-D. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Mon Mar 30 14:31:51 2020 Return-Path: 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 99C8C3A137B; Mon, 30 Mar 2020 14:31:43 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0 X-Spam-Level: X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no 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 MnulWgVLukBY; Mon, 30 Mar 2020 14:31:42 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4090F3A137E; Mon, 30 Mar 2020 14:31:42 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 30 Mar 2020 14:31:36 -0700 From: Jim Schaad To: CC: Date: Mon, 30 Mar 2020 14:31:34 -0700 Message-ID: <00cd01d606da$9815a1c0$c840e540$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AdYGycO1MeWT5q/ZR2SRe86TscydwA== Content-Language: en-us X-Originating-IP: [73.180.8.170] Archived-At: Subject: [core] Review of draft-fossati-core-coap-problem-02 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 21:31:44 -0000 I have been wondering for some a draft addressing this problem was going to show up. I must have missed it last year when it was first published. * The abstract should also point to RFC 7807 so that people who understand that problem set will also be able to find this one. * Give that currently RFC 7252 currently says that a server can return information for diagnostic purposes, I think that there should be a field defined for that purpose as part of this document as well. This would not be the same as what goes into "detail" as this is more debug info than would be placed that field. As an example, I might return an error along with a debug stack when running in specific modes. I don't want to lose that ability. * There seem to be three different points of extensibility. You are not documenting the namespace extension point. I I started reading section 3.1 as if it were namespaces and was running into problems because of that. * Are additional attributes defined based on the namespace or on the problem type? While I can see both as being true, defining them based on namespace might be easier to understand. You might otherwise end up with an attribute with the same id for different problem types but that mean either the same thing, almost the same thing or completely different things. * Are we making any statements about language for the title? * If negative values are used for private details for a public namespace in section 5.2.1 - How I am to understand which the different private registrations are being referred to? Or are these all expected to be registered? * Insert into table 4 a row for -2^64 to -L as Private Use. This makes life easier on IANA * Insert in section B.1 that the namespace is not needed because .... Note that CoRAL appears to think that additional attributes are based on the namespace and not on the type. This would lead to some potential problems going forward. 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X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f78e973e-5c0b-4ab8-bbd7-9887c95a8ebd X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3zp9dTYhhE3ESM+xBOVKYtV1aJGdDhiweU+CPFE47ftfkXK5YyA/IzAxctAvv9IZDqr4aoQ99rUKikyXaXDkA9F70mwnPwWUCcki2/3yMTA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6P190MB0375 Archived-At: Subject: [core] js review of draft-ietf-core-yang-cbor-12 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Mar 2020 11:02:43 -0000 Hi, here is my review of draft-ietf-core-yang-cbor-12. I have not checked the examples in detail, I assume (hope?) the authors have used tools to generate them or to validate them. - Nit: There is no need to capitalize Action in the abstract (and elsewhere). - You should perhaps write 'yang-data extension' instead of 'yang data template' since this is more concrete and less confusing. The use of 'template' is a bit unfortunate in RFC 8040 since templates have been used with different meanings elsewhere and I believe people more commonly refer to the yang-data extension. I also checked draft-ietf-netmod-yang-data-ext-05.txt and it does not use the word "template" anymore. I see that you use 'YANG data template' later on in several places. This is not strictly incorrect but I find it unfortunate. I would prefer to talk specifically about the yang-data extensions. You actually import both terms, I believe only one is needed (and I prefer yang-data (extension) over YANG data template. - If this work gets approved, will other specifications like draft-ietf-netmod-yang-data-ext-05.txt be expected to cover CBOR encoding in addition to XML and JSON? This is more a procedural question. - Wording: A new set of encoding rules has been defined to allow the use of the same data models in environments based on the JavaScript Object Notation (JSON) Data Interchange Format [RFC8259]. This is accomplished in the JSON Encoding of Data Modeled with YANG specification [RFC7951]. What is "environments based on the JavaScript Object Notation (JSON) Data Interchange Format". Perhaps do not even try to speculate about reasons. What about this? An additional set of encoding rules has been defined based on the JavaScript Object Notation (JSON) Data Interchange Format [RFC8259]. - Is there a reason why SID terminology is not imported from the SID specification? Is the reason to avoid a dependency? But then, can this dependency really be avoided? I reviewed the SID document first because I thought knowing what SIDs are is essential to understand this document... - I am not sure I would call a notification or a container a collection. Note that RFC 7950 uses the phrase child node quite a bit in definitions, so this may do the same without using the (overloaded) word collection: o child: A schema node defined as a child node of a container, a list, a case, a notification, an RPC input, an RPC output, an action input, an action output. I searched the text and 'child' only shows up once and I am not sure this deserves to define a term at all. - Is 'parent' the same as an 'interior node' defined in RFC 7950? If so, why not use 'interior node'? Looking at the uses or parent, I am not even convinced this term needs to be defined at all, the context seems to be rather clear of what is meant. RFC 7950 does not define 'parent' as term either but the meaning is clear in the contexts where the word is being used. - To summarize the last few comments, I propose to import 'item' and 'SID' from the SID document, to not define 'child' and 'parent' (following RFC 7950), and so the only term to defined here is 'delta'. But see above concerning the relationship to the SID document; it is not clear to me what the goals and intentions are in terms of intended document dependencies. - schema trees vs data trees This document defines CBOR encoding rules for YANG schema trees and their subtrees. You are not encoding schema trees, you are encoding data trees. See also the JSON document, which says: This document defines JSON encoding for YANG data trees and their subtrees. Why did you change this from data trees to schema trees? - avoid 'collection'? s/A collection such as/A data node such as/ - If I were to use CBOR with RESTCONF, can I request (e.g. via a specific media-type) how I like the keys to be encoded? Or would such a mechanism have to be specified elsewhere, i.e., we would need another using CBOR with RESTCONF document that defines suitable media types? - I do not understand this statement: Application payloads carrying a value serialized using the rules defined by this specification (e.g. CoAP Content-Format) SHOULD include the identifier (e.g. SID, namespace qualified name, instance-identifier) of this value. What is "the identifier of this value"? I am not getting what is being conveyed here. - s/section Section 4/Section 4/ - SIDs other than [I-D.ietf-core-sid]? [...] If SIDs are to be used, the present specification is used in conjunction with a specification defining this management. One example for such a specification is [I-D.ietf-core-sid]. This seems to indicate that there can be other kinds of SIDs or SIDs managed differently. Why is this? The SID I-D claims the entire number space, so how would a different 'specification defining the management of SIDs' ever work? Why not be specific that the usage of SIDs depends on [I-D.ietf-core-sid]? See my earlier comments about the unclear dependency relationship between this specification and the SID specification. - Avoid 'collections'? 4.2. The 'container' and other collections Collections such as containers, list instances, notification Rewrite to: 4.2. The 'container' and other interior data nodes Interior data nodes such as containers, list instances, notification There are more uses of collections following that likely can be replaced with 'interior data nodes'. The phrase 'interior data node' is used in RFC 7950 (although not formally defined). - Should 77 : { / event (SID 60200) / be 77 : { / example-port-fault (SID 60200) / Similarly 47(60200) : { / event (SID 60123) / be 47(60200) : { / example-port-fault (SID 60200) / - Replace 5. Encoding of YANG data templates YANG data templates are data structures defined in YANG but not intended to be implemented as part of a datastore. YANG data templates are defined using the 'yang-data' extension as described by [RFC8040]. YANG data templates MUST be encoded using the encoding rules of a collection as defined in Section 4.2. with 5. Encoding of the 'yang-data' extension The yang-data extension [RFC8040] is used to define data structures in YANG that are not intended to be implemented as part of a datastore. The yang-data extension MUST be encoded using the encoding rules of interior nodes as defined in Section 4.2. to avoid the use of 'templates' and 'collections'. In the following text, there are a few more places where 'YANG template' should be replaced by the 'yang-data extension'. - Unexpected ietf-comi module name showing up in an example "ietf-comi:error" : { The module prefix pops up out of the blue. You may want the put the yang-data definition into an example module, give it an example name, and then replace ietf-comi with that example name. Perhaps even simplify the yang-data schema to just 1-2 leafs. - typo s/section defined the CBOR encoding/section defines the CBOR encoding/ - Improve wording To avoid overlap of 'value' defined in different 'enumeration' statements, 'enumeration' defined in a Leafs of type 'union' MUST be encoded using a CBOR text string data item (major type 3) and MUST contain one of the names assigned by 'enum' statements in YANG. This does not read well. Perhaps: Values of 'enumeration' types defined in a 'union' type MUST be encoded using a CBOR text string data item (major type 3) and MUST contain one of the names assigned by 'enum' statements in YANG. There is similar text on page 31 in the context of bits encoding that will also benefit from a rewrite. - Third example Bob vs Jack Should the third example use "/ietf-system:system/authentication/user[name='jack']" instead of "/ietf-system:system/authentication/user[name='bob']" to line up with the third example using SIDs? /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Tue Mar 31 04:47:12 2020 Return-Path: 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 59B523A1915 for ; Tue, 31 Mar 2020 04:47:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0 X-Spam-Level: X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no 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 Wym7Bx87apql for ; Tue, 31 Mar 2020 04:47:08 -0700 (PDT) Received: from wp382.webpack.hosteurope.de (wp382.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8597::]) (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 6C1743A1914 for ; Tue, 31 Mar 2020 04:47:07 -0700 (PDT) Received: from mail-qk1-f182.google.com ([209.85.222.182]); authenticated by wp382.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1jJFMG-0003nF-Vw; Tue, 31 Mar 2020 13:47:05 +0200 Received: by mail-qk1-f182.google.com with SMTP id l25so22602908qki.7 for ; Tue, 31 Mar 2020 04:47:04 -0700 (PDT) X-Gm-Message-State: ANhLgQ29hDkm6QBdWaNiCFqGvu+BpEkGD4IkGKdDREfTEU71t/QpGxLm +9x/4PnnOPgLJJtgx+zij6ZXl5qtPsDYtYSdbTQ= X-Google-Smtp-Source: ADFU+vs3dfBSCD+HiFVzmEmlFrCIKAMYbMYD8FYQqqnkcxidFuk0oyTHCZdixOdD40GS+Cn+iC0F2DO/Lfs2bNiQIY4= X-Received: by 2002:a37:a551:: with SMTP id o78mr4350137qke.453.1585655223878; Tue, 31 Mar 2020 04:47:03 -0700 (PDT) MIME-Version: 1.0 References: <580bb0f4-89c4-2d11-b17b-520ddfe89c33@gmx.net> <000501d60452$c96cfa00$5c46ee00$@augustcellars.com> <1e74313a-d258-622f-d43e-ff1fa8f7d06d@gmx.net> In-Reply-To: From: Klaus Hartke Date: Tue, 31 Mar 2020 13:46:27 +0200 X-Gmail-Original-Message-ID: Message-ID: To: Esko Dijk Cc: Achim Kraus , Jim Schaad , "core@ietf.org" Content-Type: text/plain; charset="UTF-8" X-bounce-key: webpack.hosteurope.de; hartke@projectcool.de; 1585655228; 4ced671d; X-HE-SMSGID: 1jJFMG-0003nF-Vw Archived-At: Subject: Re: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Mar 2020 11:47:11 -0000 Esko Dijk wrote: > However CoAP does define that a Server responds from the same endpoint that received the request, I believe. See below text quotes and analysis. Yes. In the simple CoAP-over-UDP unicast NoSec case, if a request message is sent from an endpoint 192.168.0.1:54321 ("client") to an endpoint 192.168.0.100:5683 ("server"), the response message must be sent from the endpoint 192.168.0.100:5683 to the endpoint 192.168.0.1:54321. The response message cannot be sent from any other endpoint, because then the client couldn't match the incoming message to its pending request (it would appear to come from a different server). The response message also cannot be sent to any other endpoint, because then the client wouldn't get the message (it would be sent to a different client). I view multicast messages basically like e-mail mailing lists. E.g. (IMO): A request message is sent from the endpoint 192.168.0.1:54321 to the special endpoint 224.0.1.187:9999, the message magically shows up as incoming message at the endpoint 192.168.0.100:5683, and the response message must be sent from the endpoint 192.168.0.100:5683 to the endpoint 192.168.0.1:54321. Klaus From nobody Tue Mar 31 05:16:31 2020 Return-Path: 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 CE6793A202F; Tue, 31 Mar 2020 05:16:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.194 X-Spam-Level: X-Spam-Status: No, score=-0.194 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=bbhmail.nl 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 q1S1sP5F-RRb; Tue, 31 Mar 2020 05:16:28 -0700 (PDT) Received: from smtprelay.hostedemail.com (smtprelay0101.hostedemail.com [216.40.44.101]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5EBAB3A202E; Tue, 31 Mar 2020 05:16:28 -0700 (PDT) Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay04.hostedemail.com (Postfix) with ESMTP id 26075180A732A; Tue, 31 Mar 2020 12:16:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bbhmail.nl; h= mime-version:content-type:date:from:to:cc:subject:reply-to :in-reply-to:references:message-id; s=key; bh=bekTyklAfMxnLNsXM/ hc+O/X8smDIGFgCsO+/Ubd2EI=; b=Rr8GUOUaNPZURDZ+1uR3+NHcfMAxwidv6D fVdBmQlmuy81KexmtzwkxbHJ012yGtCkt9whaI2vAQEnjZCotvQdPwWpNY8Vyf3t D9BNd3MrUztyOcGVu0pFPiIC+gx/0/tqNZeo95AcjWzL8VGtJ5cfKBRKdmizs8+m F0sAZtycM= X-Session-Marker: 73746F6B636F6E73406262686D61696C2E6E6C X-Spam-Summary: 10, 1, 0, , d41d8cd98f00b204, stokcons@bbhmail.nl, , RULES_HIT:41:46:150:152:355:379:582:962:967:969:988:989:1152:1189:1221:1260:1313:1314:1345:1359:1436:1437:1516:1517:1518:1534:1538:1560:1575:1588:1589:1592:1594:1711:1714:1730:1749:1777:1792:2198:2199:2559:2562:3138:3139:3140:3141:3142:3622:3690:3740:3865:3870:3874:5007:6261:6684:7464:8603:10004:10400:10471:10848:11658:11914:11984:12109:12114:12663:12679:12895:13161:13229:13255:14721:21080:21212:21433:21451:21627:21939:30054, 0, RBL:none, CacheIP:none, Bayesian:0.5, 0.5, 0.5, Netcheck:none, DomainCache:0, MSF:not bulk, SPF:, MSBL:0, DNSBL:none, Custom_rules:0:0:0, LFtime:1, LUA_SUMMARY:none X-HE-Tag: head35_8f9d7a193801d X-Filterd-Recvd-Size: 2337 Received: from mail.bbhmail.nl (imap-ext [216.40.42.5]) (Authenticated sender: webmail@stokcons@bbhmail.nl) by omf04.hostedemail.com (Postfix) with ESMTPA; Tue, 31 Mar 2020 12:16:26 +0000 (UTC) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="=_ecdeb241b6c8e44bb194bacd2efec61b" Date: Tue, 31 Mar 2020 14:16:26 +0200 From: Peter van der Stok To: Core Cc: netmod@ietf.org Reply-To: consultancy@vanderstok.org In-Reply-To: References: <9AD3C4BB-7965-4776-84C4-6B5BFDCAA262@tzi.org> <15C8F1D1-B560-4D52-8D77-377C6B1C0518@tzi.org> User-Agent: Roundcube Webmail/1.4-rc2 Message-ID: X-Sender: stokcons@bbhmail.nl Organization: vanderstok consultancy X-Originating-IP: [5.206.216.229] Archived-At: Subject: Re: [core] =?utf-8?q?=F0=9F=94=94_WG_Last_Call_of_CORECONF_drafts=3A?= =?utf-8?q?_draft-ietf-core-yang-cbor-12=2C_-sid-11=2C_-comi-09=2C_-yang-l?= =?utf-8?q?ibrary-01?= X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Mar 2020 12:16:30 -0000 --=_ecdeb241b6c8e44bb194bacd2efec61b Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8; format=flowed Dear all, I have reread draft-ietf-core-yang-sid. I am quite happy that this document enters its final processing stage. The document satisfies our wishes expressed earlier. One small point: In section 6.2.2 the size seems superfluous as all ranges have the same size. Greetings, Peter --=_ecdeb241b6c8e44bb194bacd2efec61b Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8 Dear all,

I have reread draft-ietf-core-yang-sid.
I am quit= e happy that this document enters its final processing stage.
The docu= ment satisfies our wishes expressed earlier.

One small point:In section 6.2.2 the size seems superfluous as all ranges have the same = size.

Greetings,

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bm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRpYXRlbHkgYW5kIGRvIG5vdCBkaXNjbG9zZSB0aGUgY29u dGVudHMgdG8gYW55IG90aGVyIHBlcnNvbiwgdXNlIGl0IGZvciBhbnkgcHVycG9zZSwgb3Igc3Rv cmUgb3IgY29weSB0aGUgaW5mb3JtYXRpb24gaW4gYW55IG1lZGl1bS4gVGhhbmsgeW91Lg0K From nobody Tue Mar 31 08:04:34 2020 Return-Path: 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 E559C3A2288; Tue, 31 Mar 2020 08:04:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.001 X-Spam-Level: X-Spam-Status: No, score=0.001 tagged_above=-999 required=5 tests=[SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 AH3WxJFKa_oU; Tue, 31 Mar 2020 08:04:30 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 555C43A2287; Tue, 31 Mar 2020 08:04:30 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 31 Mar 2020 08:04:24 -0700 From: Jim Schaad To: 'Thomas Fossati' , CC: References: <00cd01d606da$9815a1c0$c840e540$@augustcellars.com> <766A1380-F2C9-4C8E-869F-8E1B3DDB4A22@arm.com> In-Reply-To: <766A1380-F2C9-4C8E-869F-8E1B3DDB4A22@arm.com> Date: Tue, 31 Mar 2020 08:04:23 -0700 Message-ID: <010b01d6076d$ab36bfd0$01a43f70$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQDyBu0FBdkghxPqWApkfdkuMDtKZQH10XGtqhsX4uA= Content-Language: en-us X-Originating-IP: [73.180.8.170] Archived-At: Subject: Re: [core] Review of draft-fossati-core-coap-problem-02 X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Mar 2020 15:04:33 -0000 I have done a bit of trimming - but more responses. Jim -----Original Message----- From: Thomas Fossati =20 Sent: Tuesday, March 31, 2020 6:51 AM To: Jim Schaad ; = draft-fossati-core-coap-problem@ietf.org Cc: core@ietf.org; Thomas Fossati Subject: Re: Review of draft-fossati-core-coap-problem-02 Hi Jim, thanks very much for your comments. > The abstract should also point to RFC 7807 so that people who=20 > understand that problem set will also be able to find this one. I am torn between that and Section 4.3 of RFC 7322, last para: "[...] the Abstract must not contain citations" [JLS] The rule is that the text of the abstract is to be able to = standalone. This means that "[RFC7322]" is not permitted, but "RFC = 7322" is permitted. Referring to a document by a "well defined" lookup = string is ok. This means that referring to an eprint would be = discouraged. Note that most of us just use an in the abstract = and make the RFC Editor staff clean this up. But you might get = complaints from that usage during final review. > Give that currently RFC 7252 currently says that a server can return=20 > information for diagnostic purposes, I think that there should be a=20 > field defined for that purpose as part of this document as well. This = > would not be the same as what goes into "detail" as this is more debug = > info than would be placed that field. As an example, I might return=20 > an error along with a debug stack when running in specific modes. I=20 > don't want to lose that ability. Yep, application/coap-problem+cbor and diagnostic payloads are mutually = exclusive. This was a precise choice because they seemed to have = different audiences (API user vs API developer). That said, the = intersection between API users and developers is not empty, so this = might actually be in scope, apart from being obviously useful. [JLS] Given that I would want to test the problem info being returned, = getting unexpected errors with information is useful for me. This is = the basic method that I have been using for my ACE server where a = diagnostic string with the problem details is returned, but a stack = trace is included in unexpected conditions (i.e. the code threw an = exception). > Are we making any statements about language for the title? Good point, we haven't thought about this. Not sure how one can = successfully handle localisation in CoAP though. It seems like the only = sensible recommendation we could make here is "try to choose based on present and future audience.". That, or force English from the onset? [JLS] In some ways the method that is used by Windows to log events = works out pretty well, but might be too weighty for this. In that case = a list of information with the title and a set of attributes are = returned from the server (event) and these are then placed into a = localized string. It might be possible to provide a default string, a = set of attributes and a method of getting a localized string if needed. > If negative values are used for private details for a public namespace = > in section 5.2.1 - How I am to understand which the different private=20 > registrations are being referred to? Or are these all expected to be=20 > registered? Yes, the idea is that when you go public, you need to register all the = "extra" details your API is using picking from the unused parts of the 0..4294967295 space. [JLS] But in that case you would not have private details for a public = namespace? If the CoRE group creates a basic public namespace and = setups up a type FOO. Is it legal for me, as an individual or company, = to augment that and return negative attributes for that type? Think = about the example in A.2 being in a public rather than in a private = namespace. Is the -1 attribute legal? cheers! -- IMPORTANT NOTICE: The contents of this email and any attachments are = confidential and may also be privileged. If you are not the intended = recipient, please notify the sender immediately and do not disclose the = contents to any other person, use it for any purpose, or store or copy = the information in any medium. Thank you. From nobody Tue Mar 31 09:52:16 2020 Return-Path: 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 B37083A241F for ; Tue, 31 Mar 2020 09:52:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.001 X-Spam-Level: X-Spam-Status: No, score=0.001 tagged_above=-999 required=5 tests=[SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no 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 LKsyM8w-GW3J for ; Tue, 31 Mar 2020 09:52:12 -0700 (PDT) Received: from mail2.augustcellars.com (augustcellars.com [50.45.239.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4762A3A241D for ; Tue, 31 Mar 2020 09:52:12 -0700 (PDT) Received: from Jude (73.180.8.170) by mail2.augustcellars.com (192.168.0.56) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 31 Mar 2020 09:52:04 -0700 From: Jim Schaad To: 'Klaus Hartke' , 'Esko Dijk' CC: 'Achim Kraus' , References: <580bb0f4-89c4-2d11-b17b-520ddfe89c33@gmx.net> <000501d60452$c96cfa00$5c46ee00$@augustcellars.com> <1e74313a-d258-622f-d43e-ff1fa8f7d06d@gmx.net> In-Reply-To: Date: Tue, 31 Mar 2020 09:52:02 -0700 Message-ID: <011301d6077c$b5d347b0$2179d710$@augustcellars.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIXVeiVC1e4HIxpxUNqDgp/ppWwxwLeBdy3AlRjDEICXv5oEAIsRnhBp5JfwQA= Content-Language: en-us X-Originating-IP: [73.180.8.170] Archived-At: Subject: Re: [core] RFC 7252 - 8.2 - Multicast - Request / Response Layer, page 67, top X-BeenThere: core@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Mar 2020 16:52:15 -0000 -----Original Message----- From: Klaus Hartke =20 Sent: Tuesday, March 31, 2020 4:46 AM To: Esko Dijk Cc: Achim Kraus ; Jim Schaad = ; core@ietf.org Subject: Re: [core] RFC 7252 - 8.2 - Multicast - Request / Response = Layer, page 67, top Esko Dijk wrote: > However CoAP does define that a Server responds from the same endpoint = that received the request, I believe. See below text quotes and = analysis. Yes. In the simple CoAP-over-UDP unicast NoSec case, if a request = message is sent from an endpoint 192.168.0.1:54321 ("client") to an = endpoint 192.168.0.100:5683 ("server"), the response message must be = sent from the endpoint 192.168.0.100:5683 to the endpoint = 192.168.0.1:54321. The response message cannot be sent from any other endpoint, because = then the client couldn't match the incoming message to its pending = request (it would appear to come from a different server). The response = message also cannot be sent to any other endpoint, because then the = client wouldn't get the message (it would be sent to a different = client). I view multicast messages basically like e-mail mailing lists. E.g. (IMO): A request message is sent from the endpoint 192.168.0.1:54321 to = the special endpoint 224.0.1.187:9999, the message magically shows up as = incoming message at the endpoint 192.168.0.100:5683, and the response = message must be sent from the endpoint 192.168.0.100:5683 to the = endpoint 192.168.0.1:54321. [JLS] What he said. And then after the first message comes in from = 192.168.0.100:5683, all of the messages from that endpoint are = correlated together so that you can do things like blockwise. Klaus