From nobody Mon Jul 3 10:27:53 2017 Return-Path: X-Original-To: dnssd@ietf.org Delivered-To: dnssd@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id E1C5512EC33; Mon, 3 Jul 2017 10:27:52 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: dnssd@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149910287288.22825.11284774721677993347@ietfa.amsl.com> Date: Mon, 03 Jul 2017 10:27:52 -0700 Archived-At: Subject: [dnssd] I-D Action: draft-ietf-dnssd-pairing-02.txt X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 17:27:53 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Extensions for Scalable DNS Service Discovery of the IETF. Title : Device Pairing Using Short Authentication Strings Authors : Christian Huitema Daniel Kaiser Filename : draft-ietf-dnssd-pairing-02.txt Pages : 23 Date : 2017-07-03 Abstract: This document proposes a device pairing mechanism that establishes a relationship between two devices by agreeing on a secret and manually verifying the secret's authenticity using an SAS (short authentication string). Pairing has to be performed only once per pair of devices, as for a re-discovery at any later point in time, the exchanged secret can be used for mutual authentication. The proposed pairing method is suited for each application area where human operated devices need to establish a relation that allows configurationless and privacy preserving re-discovery at any later point in time. Since privacy preserving applications are the main suitors, we especially care about privacy. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-dnssd-pairing/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-dnssd-pairing-02 https://datatracker.ietf.org/doc/html/draft-ietf-dnssd-pairing-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-dnssd-pairing-02 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 Jul 3 10:28:24 2017 Return-Path: X-Original-To: dnssd@ietf.org Delivered-To: dnssd@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 0B17A1316C2; Mon, 3 Jul 2017 10:28:16 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: dnssd@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149910289602.22795.4607680646414687685@ietfa.amsl.com> Date: Mon, 03 Jul 2017 10:28:16 -0700 Archived-At: Subject: [dnssd] I-D Action: draft-ietf-dnssd-privacy-02.txt X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 17:28:16 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Extensions for Scalable DNS Service Discovery of the IETF. Title : Privacy Extensions for DNS-SD Authors : Christian Huitema Daniel Kaiser Filename : draft-ietf-dnssd-privacy-02.txt Pages : 24 Date : 2017-07-03 Abstract: DNS-SD (DNS Service Discovery) normally discloses information about both the devices offering services and the devices requesting services. This information includes host names, network parameters, and possibly a further description of the corresponding service instance. Especially when mobile devices engage in DNS Service Discovery over Multicast DNS at a public hotspot, a serious privacy problem arises. We propose to solve this problem by a two-stage approach. In the first stage, hosts discover Private Discovery Service Instances via DNS-SD using special formats to protect their privacy. These service instances correspond to Private Discovery Servers running on peers. In the second stage, hosts directly query these Private Discovery Servers via DNS-SD over TLS. A pairwise shared secret necessary to establish these connections is only known to hosts authorized by a pairing system. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-dnssd-privacy/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-dnssd-privacy-02 https://datatracker.ietf.org/doc/html/draft-ietf-dnssd-privacy-02 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-dnssd-privacy-02 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 Jul 3 16:48:45 2017 Return-Path: X-Original-To: dnssd@ietf.org Delivered-To: dnssd@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6B4F612F26C; Mon, 3 Jul 2017 16:48:43 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: dnssd@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 6.55.2 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <149912572341.16160.2150001704596734418@ietfa.amsl.com> Date: Mon, 03 Jul 2017 16:48:43 -0700 Archived-At: Subject: [dnssd] I-D Action: draft-ietf-dnssd-push-12.txt X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 23:48:43 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Extensions for Scalable DNS Service Discovery of the IETF. Title : DNS Push Notifications Authors : Tom Pusateri Stuart Cheshire Filename : draft-ietf-dnssd-push-12.txt Pages : 41 Date : 2017-07-03 Abstract: The Domain Name System (DNS) was designed to return matching records efficiently for queries for data that is relatively static. When those records change frequently, DNS is still efficient at returning the updated results when polled, as long as the polling rate is not too high. But there exists no mechanism for a client to be asynchronously notified when these changes occur. This document defines a mechanism for a client to be notified of such changes to DNS records, called DNS Push Notifications. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-dnssd-push/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-dnssd-push-12 https://datatracker.ietf.org/doc/html/draft-ietf-dnssd-push-12 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-dnssd-push-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 Wed Jul 5 07:23:18 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 37304131D24 for ; Wed, 5 Jul 2017 07:23:17 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.32 X-Spam-Level: X-Spam-Status: No, score=-4.32 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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=jisc.ac.uk 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 qEmjw6EGxlRr for ; Wed, 5 Jul 2017 07:23:14 -0700 (PDT) Received: from eu-smtp-delivery-189.mimecast.com (eu-smtp-delivery-189.mimecast.com [146.101.78.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9AE651201FA for ; 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Wed, 5 Jul 2017 14:23:08 +0000 From: Tim Chown To: "dnssd@ietf.org" , Tim Wicinski Thread-Topic: Status of DNS Push Thread-Index: AQHS9Zo5gqt9COjhxUW1FG1b9nZGMQ== Date: Wed, 5 Jul 2017 14:23:08 +0000 Message-ID: References: <149912572341.16160.2150001704596734418@ietfa.amsl.com> In-Reply-To: <149912572341.16160.2150001704596734418@ietfa.amsl.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3273) x-originating-ip: [193.62.83.224] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM3PR07MB1107; 20:SGH1aPQcjji7shMkXfQfXAhRm63IG+h1UjXS75T4I0T0zIfzxio8zXvG3vZxqVHa6QcbcD41FZ1WbJdqRxo5GPbfEtw2+kBgEyKqK8mKr2rzxJKVOG68SBzmbLhtCuWKjVhZ6T/LzSaDKjc2nm3sgS7pBzfNPKAv8iBh3eXXBkA= x-ms-office365-filtering-correlation-id: 7be6120c-788b-4721-0c3e-08d4c3b15be3 x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(2017030254075)(300000503095)(300135400095)(2017052603031)(201703131423075)(201703031133081)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); 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charset=UTF-8 Content-Transfer-Encoding: base64 Archived-At: Subject: [dnssd] Status of DNS Push X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." 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charset=UTF-8 Content-Transfer-Encoding: base64 Archived-At: Subject: [dnssd] Status of WG and related drafts X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." 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Thu, 6 Jul 2017 10:48:34 +0000 From: Tim Chown To: "dnssd@ietf.org" Thread-Topic: Draft Agenda for IETF99 WG meeting Thread-Index: AQHS9kVqHlLjdnL7h0Cbs6gvEgJ4VQ== Date: Thu, 6 Jul 2017 10:48:34 +0000 Message-ID: <65CBC321-F05A-477E-9F54-16D557A37770@jisc.ac.uk> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3273) x-originating-ip: [2001:a88:d510:1101:5be:e06f:6c6a:9a87] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM3PR07MB0661; 20:lOXAnKG4Ci3AxzHwqgGV8Ia3OADrBwenAaOi0vm9QDYCRkx3bOhDUiw+zlj8vPb2I4xROA/oykBVcZXNejoKGT4KP0CRhxyDA3d3bjhbHMuDWH5SZa4wADMit9cSPXIb9awQ8TwM/D4JBowKlc3wPCBLrHx4CkYFdi6IIu3loxU= x-ms-office365-filtering-correlation-id: bd280426-94f1-4a57-dcf3-08d4c45c8cd2 x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(2017030254075)(300000503095)(300135400095)(2017052603031)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM3PR07MB0661; H:AM3PR07MB1140.eurprd07.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-ID: MIME-Version: 1.0 X-OriginatorOrg: jisc.ac.uk X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Jul 2017 10:48:34.3506 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 48f9394d-8a14-4d27-82a6-f35f12361205 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM3PR07MB0661 X-MC-Unique: -vR6ESimMOCrsfIkUS7Svw-1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Archived-At: Subject: [dnssd] Draft Agenda for IETF99 WG meeting X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jul 2017 10:48:42 -0000 SGksDQoNCk91ciBkcmFmdCBhZ2VuZGEgaXMgYmVsb3cuIFBsZWFzZSBsZXQgUmFscGggYW5kL29y IG1lIGtub3cgaWYgd2XigJl2ZSBvdmVybG9va2VkIGFueXRoaW5nLg0KDQpUaW0NCg0K4oCUDQoN CkROU1NEIFdHIEFnZW5kYQ0KDQpJRVRGOTksIFByYWd1ZQ0KV2VkbmVzZGF5IDE5dGggSnVseSAy MDE3DQpBdGhlbnMvQmFyY2VsaW5hIHJvb20gMTU6MjAgLSAxNjo1MCBsb2NhbCB0aW1lDQoNCkNo YWlyc+KAmSBJbnRyb2R1Y3Rpb24JCQkJCQkJQ2hhaXJzLCA1IG1pbnMNCg0KRE5TIFB1c2gJCQkJ CQkJCVN0dWFydCBDaGVzaGlyZSwgNSBtaW5zDQpodHRwczovL3Rvb2xzLmlldGYub3JnL2h0bWwv ZHJhZnQtaWV0Zi1kbnNzZC1wdXNoLTEyDQoNCkROUy1TRCBQcml2YWN5IGRyYWZ0cwkJCQkJCUNo cmlzdGlhbiAvIERhbmllbCwgMTUgbWlucw0KaHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL2Ry YWZ0LWlldGYtZG5zc2QtcHJpdmFjeS0wMg0KaHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL2Ry YWZ0LWlldGYtZG5zc2QtcGFpcmluZy0wMg0KDQpTZXJ2aWNlIERpc2NvdmVyeSBSb2FkIE1hcAkJ CQkJU3R1YXJ0IENoZXNoaXJlLCAxMCBtaW5zDQpodHRwczovL3Rvb2xzLmlldGYub3JnL2h0bWwv ZHJhZnQtY2hlc2hpcmUtZG5zc2Qtcm9hZG1hcC0wMA0KDQpFRE5TMCBPV05FUiBPcHRpb24JCQkJ CQlTdHVhcnQgQ2hlc2hpcmUsIDEwIG1pbnMNCmh0dHBzOi8vdG9vbHMuaWV0Zi5vcmcvaHRtbC9k cmFmdC1jaGVzaGlyZS1lZG5zMC1vd25lci1vcHRpb24tMDENCg0KTXVsdGljYXN0IEROUyBEaXNj b3ZlcnkgUmVsYXkJCQkJCVN0dWFydCBDaGVzaGlyZSwgMTAgbWlucw0KaHR0cHM6Ly90b29scy5p ZXRmLm9yZy9odG1sL2RyYWZ0LXNjdGwtZG5zc2QtbWRucy1yZWxheS0wMA0KDQpETlMtU0QgQWR2 ZXJ0aXNpbmcgUHJveHkJCQkJCQlTdHVhcnQgQ2hlc2hpcmUsIDEwIG1pbnMNCg0KQSBkaXN0cmli dXRlZCBETlMtU0QgaHlicmlkCQkJCQlUZWQgTGVtb24sIDEwIG1pbnMgDQoNCkROUy1TRCAvIENv UkUgUkQgaW50ZXJvcGVyYWJpbGl0eSBkaXNjdXNzaW9uCQkJS2VycnkgTHlubiwgMTAgbWlucw0K aHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL2RyYWZ0LWlldGYtY29yZS1yZC1kbnMtc2QtMDAN CgkJCQkJCQkJCQ0KU3VtbWFyeSBvZiBhY3Rpb25zIGFuZCBjbG9zZQkJCQkJQ2hhaXJzLCA1IG1p bnMNCg0KDQoNCg== From nobody Fri Jul 7 11:52:16 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F299912EC4B for ; Fri, 7 Jul 2017 11:52:13 -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, 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=yitter.info header.b=NmL7jZLJ; dkim=pass (1024-bit key) header.d=yitter.info header.b=VpKioJWu 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 fKApxTk_Wrjf for ; Fri, 7 Jul 2017 11:52:11 -0700 (PDT) Received: from mx4.yitter.info (mx4.yitter.info [159.203.56.111]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9B0FA126C83 for ; Fri, 7 Jul 2017 11:52:11 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mx4.yitter.info (Postfix) with ESMTP id E0C35C0354 for ; Fri, 7 Jul 2017 18:52:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yitter.info; s=default; t=1499453530; bh=AxNsNwAHPK9n7cQ/xzjekGWmTMDBDTnVwwWIzk4lkEA=; h=Date:From:To:Subject:References:In-Reply-To:From; b=NmL7jZLJHD/AgdMuzQO24DPWTYYpgQEKDqGXxl02cgycqzK/rTJGftVPUUIaEie2O KisSJ4KLMDSjCF/fOWrCYO4+iJmtzPoMTve+SkV346DEd8X4NKB/88m7eklUimwR8x FpLkbY3RUx7qh3VvyK+/ozJV3bmT9L1FrWvSIPBU= X-Virus-Scanned: Debian amavisd-new at crankycanuck.ca Received: from mx4.yitter.info ([127.0.0.1]) by localhost (mx4.yitter.info [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3BiADouzjvuP for ; Fri, 7 Jul 2017 18:52:09 +0000 (UTC) Date: Fri, 7 Jul 2017 14:52:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yitter.info; s=default; t=1499453529; bh=AxNsNwAHPK9n7cQ/xzjekGWmTMDBDTnVwwWIzk4lkEA=; h=Date:From:To:Subject:References:In-Reply-To:From; b=VpKioJWuGA8odGpq+J3qqVO4POx2cdvhR1mWLfcUS/3DUucyhGxOXeOQgeEe2k5mS lfR2rhnX6Q3AE4me8CuQ4ZJWPNMxuh7aw1Kvb3Z6mU8FKTUQWVgFWcEe/wroidMNZk 5kgDkEDWNHn8UGNBYN3NIQlv6dgIjXaEVpFoqCjI= From: Andrew Sullivan To: dnssd@ietf.org Message-ID: <20170707185208.gmwm7d543nkst4je@mx4.yitter.info> References: <20170625210709.GA829@sources.org> <28c0ad99-2905-64b6-52c2-a357e7fa6d12@huitema.net> <20170626184107.GA8291@sources.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [dnssd] WGLC on draft-ietf-dnssd-privacy-01 X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jul 2017 18:52:14 -0000 On Mon, Jun 26, 2017 at 04:07:22PM -0700, Christian Huitema wrote: > In fact there is a solution, which I implemented in my tests. Given a > clock precision X, the device knows that its real clock could be > somewhere between T-X and T+X. There are a finite number of time stamps > in that interval, and it should be ready to accept them all. Or query > them all, if it is doing polling. Surely, then, as Stephane suggests the document should say _that_ instead? A -- Andrew Sullivan ajs@anvilwalrusden.com From nobody Fri Jul 7 17:54:22 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 472B51316F0 for ; Fri, 7 Jul 2017 17:54:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.601 X-Spam-Level: X-Spam-Status: No, score=-2.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, 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 xKq9aRkRoC-e for ; Fri, 7 Jul 2017 17:54:19 -0700 (PDT) Received: from mx43-out1.antispamcloud.com (mx43-out1.antispamcloud.com [138.201.61.189]) (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 5BDD71316AC for ; Fri, 7 Jul 2017 17:54:19 -0700 (PDT) Received: from xsmtp31.mail2web.com ([168.144.250.234] helo=xsmtp11.mail2web.com) by mx43.antispamcloud.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1dTe0n-0004BX-9p for dnssd@ietf.org; Sat, 08 Jul 2017 02:54:17 +0200 Received: from [10.5.2.15] (helo=xmail05.myhosting.com) by xsmtp11.mail2web.com with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from ) id 1dTe0k-0001v8-IN for dnssd@ietf.org; Fri, 07 Jul 2017 20:54:15 -0400 Received: (qmail 10338 invoked from network); 8 Jul 2017 00:54:14 -0000 Received: from unknown (HELO [192.168.1.103]) (Authenticated-user:_huitema@huitema.net@[172.56.42.115]) (envelope-sender ) by xmail05.myhosting.com (qmail-ldap-1.03) with ESMTPA for ; 8 Jul 2017 00:54:14 -0000 To: dnssd@ietf.org References: <20170625210709.GA829@sources.org> <28c0ad99-2905-64b6-52c2-a357e7fa6d12@huitema.net> <20170626184107.GA8291@sources.org> <20170707185208.gmwm7d543nkst4je@mx4.yitter.info> From: Christian Huitema Message-ID: <061b9243-96cc-a013-4179-247ce677f42d@huitema.net> Date: Fri, 7 Jul 2017 17:54:10 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20170707185208.gmwm7d543nkst4je@mx4.yitter.info> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Originating-IP: 168.144.250.234 X-SpamExperts-Domain: xsmtpout.mail2web.com X-SpamExperts-Username: 168.144.250.0/24 Authentication-Results: antispamcloud.com; auth=pass smtp.auth=168.144.250.0/24@xsmtpout.mail2web.com X-SpamExperts-Outgoing-Class: unsure X-SpamExperts-Outgoing-Evidence: Combined (0.15) X-Recommended-Action: accept X-Filter-ID: PqwsvolAWURa0gwxuN3S5YEa3T7JuZT23fGO2rGt3ZgTCGhDnudOJ80D1c8rffxrus7BTv7Ss8cH d2IQQuvdbtM+m4WpRRDP6YzwkAPgQJY8hyefn/FOeAH6Zsqubs62ND46yZLY9QyX+cRXmooQ3hum JwiT+2brWmQlzkLIcXivpIH4ag6BM/+u9ym+BA23mtOhneO6JzSHHvenModLN1ARmtUrs5uctmY2 TZP5WVNeFZ39K2u6nQRXxi0P789GYOEkjsX7F8KmpUaZQHV+SWsC1ltxhvDAAiytf1zpGXO2G5Pj 7iQJEmtNUzH3idZ6uMF2OhyCCCV83x+RZrKIj0QqMGQOSwmEPwP4wBzM77N8GvkYGGDFjg9NrmGY yNnXsSjdYwfRhjHqxQXDsBKLpKOHi0RYvlOYvJoUtCbvS/b6lO4FGen962xgCFRckncKfg1XSK9P 1z/R6plfrFWGySn63Q2J9zYyXzG2E1nT+GDeNHk15VolAGHS5rCXQKDym+Gab6cuAPzLi/SdAxlO dgkraHgbbAuZgv0Q6mJ3vUcipz1IT62ZEk6+MmovaufbiR3bHfnMCIEU+nrglojKwMr3vOY18GvB wSXAfWcj234Kahp30YSTh5OL3yMqjF0jNdSMuNhZC3X/nGdDKYyg+1Fotn1TGspRGWfHjmaruO0b XpkevaElTi+sCWwmqxHi+BUHXGjp0J8FpT+J6AFTxiSsoNTiR/GmpPv4QzJ0uLs078I0y+3uS4dN KiUgYTBUfgSNuXxLpYVSdRMrreeW5IAbiteDwjw8P7mx/NBHSRWxZaHLvUGmD7PXY2RS8idsz7fr MHsNPRylYAkPvY1HttQOF909qtkcRbvucYBIc/SWdEVhFWVNeXUVBER+dDF8MLn6MURQGfriekzS 9Ga3AA== X-Report-Abuse-To: spam@quarantine5.antispamcloud.com Archived-At: Subject: Re: [dnssd] WGLC on draft-ietf-dnssd-privacy-01 X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Jul 2017 00:54:21 -0000 On 7/7/2017 11:52 AM, Andrew Sullivan wrote: > On Mon, Jun 26, 2017 at 04:07:22PM -0700, Christian Huitema wrote: >> In fact there is a solution, which I implemented in my tests. Given a >> clock precision X, the device knows that its real clock could be >> somewhere between T-X and T+X. There are a finite number of time stamps >> in that interval, and it should be ready to accept them all. Or query >> them all, if it is doing polling. > Surely, then, as Stephane suggests the document should say _that_ instead? That's what we attempted to say in draft-02, based on Stephane's feedback. -- Christian Huitema From nobody Tue Jul 18 07:19:17 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2D30412F3CB for ; Tue, 18 Jul 2017 07:19:16 -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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-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 JxomWHElh1pI for ; Tue, 18 Jul 2017 07:19:14 -0700 (PDT) Received: from mail-pf0-x235.google.com (mail-pf0-x235.google.com [IPv6:2607:f8b0:400e:c00::235]) (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 DA2CD12F280 for ; Tue, 18 Jul 2017 07:19:14 -0700 (PDT) Received: by mail-pf0-x235.google.com with SMTP id o88so5819449pfk.3 for ; Tue, 18 Jul 2017 07:19:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fugue-com.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=sbU2pn1bPZ5VAdGBrXAwhXMebNvH286pv0QD0pjMxH0=; b=wGCgiTCjhN6e56k1AfTPcwo4Ezxp36YpoSdmtM6EI5o/7w1VHhUy6cFu9rIiKYsWgI s0ljBZRHUXapNbq7wOjFIw/Zo8o8E0L2BgW2v4xUtymOzGL420NyqvDCY2GabTekMEbJ SSYcraSLTiPTFPItZAElSPgtKzBSn/aDI7bDKvZJpeCiIh4wffUPgArO7HFKqT6fKUPa dHJXhFndkRsO0qpe7bgOgXwDi9iULQ0tnglFLuKGSz4WuQ5QH0eNTvYrO37AoWuF0s05 PJjrFi00NkhhSrhxifOjoq/WcQQ+BnBs2MwU8c0RbALLv56fYdIIXPlHcwFNe52Ze1xU icFg== 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=sbU2pn1bPZ5VAdGBrXAwhXMebNvH286pv0QD0pjMxH0=; b=Hk/iOhNIXkWhc5nu6R1DpOUuxNa+KxPBPMFxXdMjkbVheK25CDhszmnAba9d3qs7bS FK8Xk3PVM+Dge/W5IQjAz/egucusmQpHEbOY40kzY8oJwybruIOMZqXDa1Brpuyf0593 YyGYEgtEubnNGoYFIP478gABQ7iw8STreU5VgdmlDZFj8DimkLhdIS0Y2ii/MoqlBQfD aNCPqJPPlJLfAr9m4pRa0oQHhLSDAPPy1Dh8rV52wKfCl+RRF7B1an9PgmHwLN9b/faj HMsK62VzDLbJaG35FdnMTFdoYgvNjE9HXjvJZ6CPjTc0nVn+/K/gjpwO9pdO4PgBYdx5 vB/A== X-Gm-Message-State: AIVw112sNO595WJaH+Pu7V6r2LtQ5ZOdB5CCD3zAWQHVA0K16i5lcHvp AAQnNEFqXIJ/PwNP1BMQzNEZ6f7KS1JG X-Received: by 10.99.167.79 with SMTP id w15mr2036909pgo.22.1500387554002; Tue, 18 Jul 2017 07:19:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.181.42 with HTTP; Tue, 18 Jul 2017 07:18:33 -0700 (PDT) From: Ted Lemon Date: Tue, 18 Jul 2017 16:18:33 +0200 Message-ID: To: dnssd@ietf.org Content-Type: multipart/alternative; boundary="94eb2c1bdaa42eaddb05549833ac" Archived-At: Subject: [dnssd] Review of draft-ietf-dnssd-pairing-02 (Ted Lemon) X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jul 2017 14:19:16 -0000 --94eb2c1bdaa42eaddb05549833ac Content-Type: text/plain; charset="UTF-8" I agreed to review this document before the next meeting, and it is still (barely) before the next meeting, so here's my review: In the abstract, paragraph 2, s/relation/relationship/ unless we are talking about an rdbms. :) In the introduction, point 1, "disclose its presence" seems like the wrong thing to say, since merely sending a packet on the network discloses the device's presence. I think, possibly incorrectly, that what you mean here is "reveal information that could be used to identify it." Skipping to section 4, because I want to see if the document works without sections 2 and 3: In the first paragraph of section 4, you don't say which device serves as a server and which as a client. Presumably the client is the one where the user initiates the pairing, which is arbitrary and doesn't really matter? Might be worth saying so explicitly. In 4.1, the QR code scanning seems like it's a separate protocol. Might be less confusing to leave it out of this doc and do a follow-on doc that describes how to do it in more detail. It feels like a distraction. This is true as QR codes come up later in the discussion. Also in 4.1, it might be good to go into a bit more detail about the service records that should be published. I think that this may be incomplete. If you want, I can look into this in more detail and propose text if I still think it's a problem. E.g., I assume class and weight in the SRV record are 0 and are ignored by the client. I assume that the text record is empty. It would be good to say this, and to say that the client ignores these fields. This observation may also apply to the private service discovery document--I didn't think of this when I was reviewing it. p. 18, first full paragraph, SHOULD .. MAY doesn't make sense. Either this is important, or it's not. If it's important, then you need to give the implementer clear guidance on what to do if the API doesn't let them figure out which hash algorithm was used. The MAY seems content-free. I would think you would want "SHOULD/MUST use the strongest mutually available hash algorithm." Personally, I'd just say MUST, and if the API doesn't support this, they need to use a different API. That way you are trusting that the infrastructure is going to make the best decision possible based on the situation at the time that software was released, rather than hard-coding a suggestion for a hash that we think is strong now but may not think is strong later. In the second paragraph of section 5, time frames are discussed in very vague terms. It might be a good idea to be less vague. If we don't know how to be less vague, I don't really know how to implement this. I haven't tried to implement this, so I don't know for sure if this is true, but based on reading the document I believe I could implement it, and it's not hard to implement. I think the additional clarity I asked for above in section 4.1 would make interop more likely, but as a potential implementer I would make the assumptions I suggested requiring, and I think that would work. Going back: I now definitely agree with the suggestion to separate this into two drafts. The document without sections 2&3 gives enough information to implement, and there is enough motivational information in the introduction (I haven't read sections 2&3 yet). Having just scrolled back over sections 2&3, I think leaving these in the document will discourage potential implementers. [actually, I'm just going to send this in two parts--I might not get to the rest of the review for a while, and hopefully this part is useful.] --94eb2c1bdaa42eaddb05549833ac Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I agreed to review this document before the next meeting, = and it is still (barely) before the next meeting, so here's my review:<= div>
In the abstract, paragraph 2, s/relation/relationship/ u= nless we are talking about an rdbms. :)

In the int= roduction, point 1, "disclose its presence" seems like the wrong = thing to say, since merely sending a packet on the network discloses the de= vice's presence. =C2=A0 I think, possibly incorrectly, that what you me= an here is "reveal information that could be used to identify it."= ;

Skipping to section 4, because I want to see if = the document works without sections 2 and 3:

In th= e first paragraph of section 4, you don't say which device serves as a = server and which as a client. =C2=A0 Presumably the client is the one where= the user initiates the pairing, which is arbitrary and doesn't really = matter? =C2=A0 Might be worth saying so explicitly.

In 4.1, the QR code scanning seems like it's a separate protocol. =C2= =A0 Might be less confusing to leave it out of this doc and do a follow-on = doc that describes how to do it in more detail. =C2=A0 It feels like a dist= raction. =C2=A0 This is true as QR codes come up later in the discussion.

Also in 4.1, it might be good to go into a bit more= detail about the service records that should be published. =C2=A0 I think = that this may be incomplete. =C2=A0 If you want, I can look into this in mo= re detail and propose text if I still think it's a problem. =C2=A0 E.g.= , I assume class and weight in the SRV record are 0 and are ignored by the = client. =C2=A0 I assume that the text record is empty. =C2=A0 It would be g= ood to say this, and to say that the client ignores these fields. =C2=A0 Th= is observation may also apply to the private service discovery document--I = didn't think of this when I was reviewing it.

= p. 18, first full paragraph, SHOULD .. MAY doesn't make sense. =C2=A0 E= ither this is important, or it's not. =C2=A0 If it's important, the= n you need to give the implementer clear guidance on what to do if the API = doesn't let them figure out which hash algorithm was used. =C2=A0 The M= AY seems content-free. =C2=A0 I would think you would want "SHOULD/MUS= T use the strongest mutually available hash algorithm." =C2=A0 Persona= lly, I'd just say MUST, and if the API doesn't support this, they n= eed to use a different API.=C2=A0 That way you are trusting that the infras= tructure is going to make the best decision possible based on the situation= at the time that software was released, rather than hard-coding a suggesti= on for a hash that we think is strong now but may not think is strong later= .

In the second paragraph of section 5, time frame= s are discussed in very vague terms. =C2=A0 It might be a good idea to be l= ess vague. =C2=A0 If we don't know how to be less vague, I don't re= ally know how to implement this.

I haven't tri= ed to implement this, so I don't know for sure if this is true, but bas= ed on reading the document I believe I could implement it, and it's not= hard to implement. =C2=A0 I think the additional clarity I asked for above= in section 4.1 would make interop more likely, but as a potential implemen= ter I would make the assumptions I suggested requiring, and I think that wo= uld work.

Going back:

I n= ow definitely agree with the suggestion to separate this into two drafts. = =C2=A0 The document without sections 2&3 gives enough information to im= plement, and there is enough motivational information in the introduction (= I haven't read sections 2&3 yet). =C2=A0 Having just scrolled back = over sections 2&3, I think leaving these in the document will discourag= e potential implementers.

[actually, I'm just = going to send this in two parts--I might not get to the rest of the review = for a while, and hopefully this part is useful.]

--94eb2c1bdaa42eaddb05549833ac-- From nobody Tue Jul 18 09:56:05 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0366712F092 for ; Tue, 18 Jul 2017 09:56:04 -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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-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 Q5IF9yyiDhmi for ; Tue, 18 Jul 2017 09:56:01 -0700 (PDT) Received: from mail-pg0-x233.google.com (mail-pg0-x233.google.com [IPv6:2607:f8b0:400e:c05::233]) (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 954B612EC37 for ; Tue, 18 Jul 2017 09:56:01 -0700 (PDT) Received: by mail-pg0-x233.google.com with SMTP id v190so15885400pgv.2 for ; Tue, 18 Jul 2017 09:56:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fugue-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=YkCKd17O9C+mZWqYuyAvNfG+3QK/YGNvXsr3o6jzhu8=; b=bCFUemgGUO6ceLpypxQFZN9DCn/lVDOnyMsmgBZvdibNwCKeELa+u6Fj3d634hfWSe WU4X0D4zJ/zYYoOSOi9oLpk8BAw6g6pbfV/VLCgjubfTKcWSrxJUwa1IXyFmZr7rAnp9 Z3jUERxZe9MurCZLa/OTF06i1LT17i+f0iAECJjH5uO0bEsI05XHzZm/WNPmo3jUmuU6 4jPzrPU98ly5SiXgWp/Ct3/mQrtbqwqpxkfKBtI48ocxROA7bJTTGW4M3dZ6WGsSZhr/ q53nwfCpxtE8OuKF32p/x3Nzlk0wJTzTZOi87nHUY7ltzkDoOd5e5f/JzS6jq6WsZlHn FJAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=YkCKd17O9C+mZWqYuyAvNfG+3QK/YGNvXsr3o6jzhu8=; b=ZtbtYo0yy41Ba3FtzntYSBYOE6Bg1Gw46BSCYhwFBa1YJBTmYqnGcz47hqqF83UltC LVYVNnJrxrhr3/7z+Qgh5tstpe74YhIdFj2eh66XKiQ84fuB1SylTFsz/IShNa45Ak65 744n5o4/3ckjauowo/SalucxjJIIubGpkLwabQjerFCZtkT9Y3SirwIYcqbemG9QkjNL eONxPtpOKH3I8D3VBboeEuhChTxhpLjHBo/Wx059eR6WgizyvOAhHR/gHv8cJM9rbOhS ttBrM2GiKhmXEhiT3lqbj+Dbn8pNQVVMCc/uBwItZsKO6z9EPC2s9YOoyIKVJG7AzZso IX8Q== X-Gm-Message-State: AIVw1100gvy5/eMqEm4fGyxz+2dSpwZnHqWbKYt64cPD4oWcKY7tfCMy 9JrdgFwWkoBYCXmrfcuKG/lD9m/atDCe X-Received: by 10.84.231.16 with SMTP id f16mr2743799plk.131.1500396961023; Tue, 18 Jul 2017 09:56:01 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.181.42 with HTTP; Tue, 18 Jul 2017 09:55:20 -0700 (PDT) In-Reply-To: References: From: Ted Lemon Date: Tue, 18 Jul 2017 18:55:20 +0200 Message-ID: To: dnssd@ietf.org Content-Type: multipart/alternative; boundary="f40304360182e25b4805549a6335" Archived-At: Subject: Re: [dnssd] Review of draft-ietf-dnssd-pairing-02 (Ted Lemon) X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jul 2017 16:56:04 -0000 --f40304360182e25b4805549a6335 Content-Type: text/plain; charset="UTF-8" Okay, having now read sections 2 and 3, I still believe they should be in a separate document. This isn't just because of what I said in the previous message, which I still think is true. It's also that this document actually will serve as a useful jumping-off point for further work on authentication in homenet. So separating out the informational portion of the document from the technical specification makes both documents more useful (at least, selfishly, to me). On Tue, Jul 18, 2017 at 4:18 PM, Ted Lemon wrote: > I agreed to review this document before the next meeting, and it is still > (barely) before the next meeting, so here's my review: > > In the abstract, paragraph 2, s/relation/relationship/ unless we are > talking about an rdbms. :) > > In the introduction, point 1, "disclose its presence" seems like the wrong > thing to say, since merely sending a packet on the network discloses the > device's presence. I think, possibly incorrectly, that what you mean here > is "reveal information that could be used to identify it." > > Skipping to section 4, because I want to see if the document works without > sections 2 and 3: > > In the first paragraph of section 4, you don't say which device serves as > a server and which as a client. Presumably the client is the one where > the user initiates the pairing, which is arbitrary and doesn't really > matter? Might be worth saying so explicitly. > > In 4.1, the QR code scanning seems like it's a separate protocol. Might > be less confusing to leave it out of this doc and do a follow-on doc that > describes how to do it in more detail. It feels like a distraction. > This is true as QR codes come up later in the discussion. > > Also in 4.1, it might be good to go into a bit more detail about the > service records that should be published. I think that this may be > incomplete. If you want, I can look into this in more detail and propose > text if I still think it's a problem. E.g., I assume class and weight in > the SRV record are 0 and are ignored by the client. I assume that the > text record is empty. It would be good to say this, and to say that the > client ignores these fields. This observation may also apply to the > private service discovery document--I didn't think of this when I was > reviewing it. > > p. 18, first full paragraph, SHOULD .. MAY doesn't make sense. Either > this is important, or it's not. If it's important, then you need to give > the implementer clear guidance on what to do if the API doesn't let them > figure out which hash algorithm was used. The MAY seems content-free. I > would think you would want "SHOULD/MUST use the strongest mutually > available hash algorithm." Personally, I'd just say MUST, and if the API > doesn't support this, they need to use a different API. That way you are > trusting that the infrastructure is going to make the best decision > possible based on the situation at the time that software was released, > rather than hard-coding a suggestion for a hash that we think is strong now > but may not think is strong later. > > In the second paragraph of section 5, time frames are discussed in very > vague terms. It might be a good idea to be less vague. If we don't know > how to be less vague, I don't really know how to implement this. > > I haven't tried to implement this, so I don't know for sure if this is > true, but based on reading the document I believe I could implement it, and > it's not hard to implement. I think the additional clarity I asked for > above in section 4.1 would make interop more likely, but as a potential > implementer I would make the assumptions I suggested requiring, and I think > that would work. > > Going back: > > I now definitely agree with the suggestion to separate this into two > drafts. The document without sections 2&3 gives enough information to > implement, and there is enough motivational information in the introduction > (I haven't read sections 2&3 yet). Having just scrolled back over > sections 2&3, I think leaving these in the document will discourage > potential implementers. > > [actually, I'm just going to send this in two parts--I might not get to > the rest of the review for a while, and hopefully this part is useful.] > > --f40304360182e25b4805549a6335 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Okay, having now read sections 2 and 3, I still believe th= ey should be in a separate document. =C2=A0 This isn't just because of = what I said in the previous message, which I still think is true. =C2=A0 It= 's also that this document actually will serve as a useful jumping-off = point for further work on authentication in homenet. =C2=A0 So separating o= ut the informational portion of the document from the technical specificati= on makes both documents more useful (at least, selfishly, to me).

On Tue, Jul 18, 2017 = at 4:18 PM, Ted Lemon <mellon@fugue.com> wrote:
I agreed to review this document befo= re the next meeting, and it is still (barely) before the next meeting, so h= ere's my review:

In the abstract, paragraph 2, s/rel= ation/relationship/ unless we are talking about an rdbms. :)

=
In the introduction, point 1, "disclose its presence" = seems like the wrong thing to say, since merely sending a packet on the net= work discloses the device's presence. =C2=A0 I think, possibly incorrec= tly, that what you mean here is "reveal information that could be used= to identify it."

Skipping to section 4, beca= use I want to see if the document works without sections 2 and 3:

In the first paragraph of section 4, you don't say whic= h device serves as a server and which as a client. =C2=A0 Presumably the cl= ient is the one where the user initiates the pairing, which is arbitrary an= d doesn't really matter? =C2=A0 Might be worth saying so explicitly.

In 4.1, the QR code scanning seems like it's a s= eparate protocol. =C2=A0 Might be less confusing to leave it out of this do= c and do a follow-on doc that describes how to do it in more detail. =C2=A0= It feels like a distraction. =C2=A0 This is true as QR codes come up later= in the discussion.

Also in 4.1, it might be good = to go into a bit more detail about the service records that should be publi= shed. =C2=A0 I think that this may be incomplete. =C2=A0 If you want, I can= look into this in more detail and propose text if I still think it's a= problem. =C2=A0 E.g., I assume class and weight in the SRV record are 0 an= d are ignored by the client. =C2=A0 I assume that the text record is empty.= =C2=A0 It would be good to say this, and to say that the client ignores th= ese fields. =C2=A0 This observation may also apply to the private service d= iscovery document--I didn't think of this when I was reviewing it.

p. 18, first full paragraph, SHOULD .. MAY doesn't= make sense. =C2=A0 Either this is important, or it's not. =C2=A0 If it= 's important, then you need to give the implementer clear guidance on w= hat to do if the API doesn't let them figure out which hash algorithm w= as used. =C2=A0 The MAY seems content-free. =C2=A0 I would think you would = want "SHOULD/MUST use the strongest mutually available hash algorithm.= " =C2=A0 Personally, I'd just say MUST, and if the API doesn't= support this, they need to use a different API.=C2=A0 That way you are tru= sting that the infrastructure is going to make the best decision possible b= ased on the situation at the time that software was released, rather than h= ard-coding a suggestion for a hash that we think is strong now but may not = think is strong later.

In the second paragraph of = section 5, time frames are discussed in very vague terms. =C2=A0 It might b= e a good idea to be less vague. =C2=A0 If we don't know how to be less = vague, I don't really know how to implement this.

<= div>I haven't tried to implement this, so I don't know for sure if = this is true, but based on reading the document I believe I could implement= it, and it's not hard to implement. =C2=A0 I think the additional clar= ity I asked for above in section 4.1 would make interop more likely, but as= a potential implementer I would make the assumptions I suggested requiring= , and I think that would work.

Going back:

I now definitely agree with the suggestion to separate th= is into two drafts. =C2=A0 The document without sections 2&3 gives enou= gh information to implement, and there is enough motivational information i= n the introduction (I haven't read sections 2&3 yet). =C2=A0 Having= just scrolled back over sections 2&3, I think leaving these in the doc= ument will discourage potential implementers.

[act= ually, I'm just going to send this in two parts--I might not get to the= rest of the review for a while, and hopefully this part is useful.]
<= div>

--f40304360182e25b4805549a6335-- From nobody Tue Jul 18 09:57:43 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9BB8312FEEB for ; Tue, 18 Jul 2017 09:57:41 -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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-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 2ltvO8b1QjWP for ; Tue, 18 Jul 2017 09:57:36 -0700 (PDT) Received: from mail-pg0-x229.google.com (mail-pg0-x229.google.com [IPv6:2607:f8b0:400e:c05::229]) (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 94C5E12EC37 for ; Tue, 18 Jul 2017 09:57:36 -0700 (PDT) Received: by mail-pg0-x229.google.com with SMTP id v190so15906564pgv.2 for ; Tue, 18 Jul 2017 09:57:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fugue-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=qPXHDyOlwbp7/GtjnPyQPMXJj8ZCjD3lN1YAwwApxEw=; b=ItWSokwCLhQhzf09GKogvj935i6oeuNgc2ZOOaAjWTggvcgm+H9kEyoBI85gjBjSUy G+PQICCM0Jno4yXH9kKp6EtruwvNLHNDD95u7UC1Rw009rPLY9ij9H18HzV/UcTl8GOP Q2ya1QlmeqBZrVJlWQSnqKYd9QjvQarbN1cp42U5lMMlU7PFOSt/aJHOyo7qPWCzMD/D y3TJrdwLJMxbeNMilj824NuKGL2CZH8Zs5wwCHov5T3ypQk/2nIfjykCG30xKJnPPNLp yHIaK+GZ9GaI9384Xvslb9JDEcI5zLFbW6+JbaSB0+PA1P8NTP8MCUQJBvZl+1yr5SvH KMHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=qPXHDyOlwbp7/GtjnPyQPMXJj8ZCjD3lN1YAwwApxEw=; b=dcnXGnRwzX9ZTTHUoy9SR6RD+OPWbrluJy7rIPpn4W+j7p+uiiRJal9XvXQQbM9p3b NAVPeTyrhHaFBc5UUuyNOPg2qB6L/zQ7cUoHe6+ooe1AW2a1+be4su0zGjoAaPm/gvbj P85mHW5/cnL9OyZQe5jiEKrl21MtFw9yn/ftBJw/mub85xybCW+XCcLWPmr3IGgbeLrC bYdyYruZE7V8WjbhVHbfI+6NPAA0qh4UgJsCyF2fM3aEBeoydszMAvBXr9nOTMCnWAe3 JDcrA1XPzw6drF/mKWn9oePRHrlbZ6etbXqH/BOpBMYpBd5Wd8pjVnw/bfmHTco6LC6k fzbg== X-Gm-Message-State: AIVw111Qh8mvi9pP9An4pxYLqphJqtlF6JkXgFF+1KnHo/q82K7thA9Q TIGcdAgbFg6xGJmxkKO4WemG2l5rhwv6 X-Received: by 10.84.143.1 with SMTP id 1mr2823272ply.103.1500397056065; Tue, 18 Jul 2017 09:57:36 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.181.42 with HTTP; Tue, 18 Jul 2017 09:56:55 -0700 (PDT) In-Reply-To: References: From: Ted Lemon Date: Tue, 18 Jul 2017 18:56:55 +0200 Message-ID: To: dnssd@ietf.org Content-Type: multipart/alternative; boundary="94eb2c1194ae8c96ec05549a6921" Archived-At: Subject: Re: [dnssd] Review of draft-ietf-dnssd-pairing-02 (Ted Lemon) X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jul 2017 16:57:42 -0000 --94eb2c1194ae8c96ec05549a6921 Content-Type: text/plain; charset="UTF-8" Oh, and the only issue I noticed in sections 2 and 3 is that there's at least one use of the word "relation" where the word "relationship" is what's meant. On Tue, Jul 18, 2017 at 6:55 PM, Ted Lemon wrote: > Okay, having now read sections 2 and 3, I still believe they should be in > a separate document. This isn't just because of what I said in the > previous message, which I still think is true. It's also that this > document actually will serve as a useful jumping-off point for further work > on authentication in homenet. So separating out the informational portion > of the document from the technical specification makes both documents more > useful (at least, selfishly, to me). > > On Tue, Jul 18, 2017 at 4:18 PM, Ted Lemon wrote: > >> I agreed to review this document before the next meeting, and it is still >> (barely) before the next meeting, so here's my review: >> >> In the abstract, paragraph 2, s/relation/relationship/ unless we are >> talking about an rdbms. :) >> >> In the introduction, point 1, "disclose its presence" seems like the >> wrong thing to say, since merely sending a packet on the network discloses >> the device's presence. I think, possibly incorrectly, that what you mean >> here is "reveal information that could be used to identify it." >> >> Skipping to section 4, because I want to see if the document works >> without sections 2 and 3: >> >> In the first paragraph of section 4, you don't say which device serves as >> a server and which as a client. Presumably the client is the one where >> the user initiates the pairing, which is arbitrary and doesn't really >> matter? Might be worth saying so explicitly. >> >> In 4.1, the QR code scanning seems like it's a separate protocol. Might >> be less confusing to leave it out of this doc and do a follow-on doc that >> describes how to do it in more detail. It feels like a distraction. >> This is true as QR codes come up later in the discussion. >> >> Also in 4.1, it might be good to go into a bit more detail about the >> service records that should be published. I think that this may be >> incomplete. If you want, I can look into this in more detail and propose >> text if I still think it's a problem. E.g., I assume class and weight in >> the SRV record are 0 and are ignored by the client. I assume that the >> text record is empty. It would be good to say this, and to say that the >> client ignores these fields. This observation may also apply to the >> private service discovery document--I didn't think of this when I was >> reviewing it. >> >> p. 18, first full paragraph, SHOULD .. MAY doesn't make sense. Either >> this is important, or it's not. If it's important, then you need to give >> the implementer clear guidance on what to do if the API doesn't let them >> figure out which hash algorithm was used. The MAY seems content-free. I >> would think you would want "SHOULD/MUST use the strongest mutually >> available hash algorithm." Personally, I'd just say MUST, and if the API >> doesn't support this, they need to use a different API. That way you are >> trusting that the infrastructure is going to make the best decision >> possible based on the situation at the time that software was released, >> rather than hard-coding a suggestion for a hash that we think is strong now >> but may not think is strong later. >> >> In the second paragraph of section 5, time frames are discussed in very >> vague terms. It might be a good idea to be less vague. If we don't know >> how to be less vague, I don't really know how to implement this. >> >> I haven't tried to implement this, so I don't know for sure if this is >> true, but based on reading the document I believe I could implement it, and >> it's not hard to implement. I think the additional clarity I asked for >> above in section 4.1 would make interop more likely, but as a potential >> implementer I would make the assumptions I suggested requiring, and I think >> that would work. >> >> Going back: >> >> I now definitely agree with the suggestion to separate this into two >> drafts. The document without sections 2&3 gives enough information to >> implement, and there is enough motivational information in the introduction >> (I haven't read sections 2&3 yet). Having just scrolled back over >> sections 2&3, I think leaving these in the document will discourage >> potential implementers. >> >> [actually, I'm just going to send this in two parts--I might not get to >> the rest of the review for a while, and hopefully this part is useful.] >> >> > --94eb2c1194ae8c96ec05549a6921 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Oh, and the only issue I noticed in sections 2 and 3 is th= at there's at least one use of the word "relation" where the = word "relationship" is what's meant.

On Tue, Jul 18, 2017 at 6:55 PM, Ted= Lemon <mellon@fugue.com> wrote:
Okay, having now read sections 2 and 3, I still beli= eve they should be in a separate document. =C2=A0 This isn't just becau= se of what I said in the previous message, which I still think is true. =C2= =A0 It's also that this document actually will serve as a useful jumpin= g-off point for further work on authentication in homenet. =C2=A0 So separa= ting out the informational portion of the document from the technical speci= fication makes both documents more useful (at least, selfishly, to me).

On Tue, Jul 18, 2017 at 4:18 PM, Ted Lemon <mellon= @fugue.com> wrote:
I agreed to review this document before the next meeting, and it i= s still (barely) before the next meeting, so here's my review:

=
In the abstract, paragraph 2, s/relation/relationship/ unless we= are talking about an rdbms. :)

In the introductio= n, point 1, "disclose its presence" seems like the wrong thing to= say, since merely sending a packet on the network discloses the device'= ;s presence. =C2=A0 I think, possibly incorrectly, that what you mean here = is "reveal information that could be used to identify it."
<= div>
Skipping to section 4, because I want to see if the docu= ment works without sections 2 and 3:

In the first = paragraph of section 4, you don't say which device serves as a server a= nd which as a client. =C2=A0 Presumably the client is the one where the use= r initiates the pairing, which is arbitrary and doesn't really matter? = =C2=A0 Might be worth saying so explicitly.

In 4.1= , the QR code scanning seems like it's a separate protocol. =C2=A0 Migh= t be less confusing to leave it out of this doc and do a follow-on doc that= describes how to do it in more detail. =C2=A0 It feels like a distraction.= =C2=A0 This is true as QR codes come up later in the discussion.

Also in 4.1, it might be good to go into a bit more detail = about the service records that should be published. =C2=A0 I think that thi= s may be incomplete. =C2=A0 If you want, I can look into this in more detai= l and propose text if I still think it's a problem. =C2=A0 E.g., I assu= me class and weight in the SRV record are 0 and are ignored by the client. = =C2=A0 I assume that the text record is empty. =C2=A0 It would be good to s= ay this, and to say that the client ignores these fields. =C2=A0 This obser= vation may also apply to the private service discovery document--I didn'= ;t think of this when I was reviewing it.

p. 18, f= irst full paragraph, SHOULD .. MAY doesn't make sense. =C2=A0 Either th= is is important, or it's not. =C2=A0 If it's important, then you ne= ed to give the implementer clear guidance on what to do if the API doesn= 9;t let them figure out which hash algorithm was used. =C2=A0 The MAY seems= content-free. =C2=A0 I would think you would want "SHOULD/MUST use th= e strongest mutually available hash algorithm." =C2=A0 Personally, I&#= 39;d just say MUST, and if the API doesn't support this, they need to u= se a different API.=C2=A0 That way you are trusting that the infrastructure= is going to make the best decision possible based on the situation at the = time that software was released, rather than hard-coding a suggestion for a= hash that we think is strong now but may not think is strong later.
<= div>
In the second paragraph of section 5, time frames are di= scussed in very vague terms. =C2=A0 It might be a good idea to be less vagu= e. =C2=A0 If we don't know how to be less vague, I don't really kno= w how to implement this.

I haven't tried to im= plement this, so I don't know for sure if this is true, but based on re= ading the document I believe I could implement it, and it's not hard to= implement. =C2=A0 I think the additional clarity I asked for above in sect= ion 4.1 would make interop more likely, but as a potential implementer I wo= uld make the assumptions I suggested requiring, and I think that would work= .

Going back:

I now defin= itely agree with the suggestion to separate this into two drafts. =C2=A0 Th= e document without sections 2&3 gives enough information to implement, = and there is enough motivational information in the introduction (I haven&#= 39;t read sections 2&3 yet). =C2=A0 Having just scrolled back over sect= ions 2&3, I think leaving these in the document will discourage potenti= al implementers.

[actually, I'm just going to = send this in two parts--I might not get to the rest of the review for a whi= le, and hopefully this part is useful.]



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Wed, 19 Jul 2017 01:06:26 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.181.42 with HTTP; Wed, 19 Jul 2017 01:05:45 -0700 (PDT) In-Reply-To: <0DF30FE6-D23B-400A-83A8-18CD1B574648@jisc.ac.uk> References: <0DF30FE6-D23B-400A-83A8-18CD1B574648@jisc.ac.uk> From: Ted Lemon Date: Wed, 19 Jul 2017 10:05:45 +0200 Message-ID: To: Tim Chown Cc: "dnssd@ietf.org" Content-Type: multipart/alternative; boundary="94eb2c12f714cf22720554a71b7c" Archived-At: Subject: Re: [dnssd] DNS-SD session, today 15:20 local time X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jul 2017 08:06:29 -0000 --94eb2c12f714cf22720554a71b7c Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Slight nit: draft-sctl-dnssd-mdns-relay-00 should be under my talk, not Stuart's. On Wed, Jul 19, 2017 at 10:01 AM, Tim Chown wrote: > Hi, > > The final agenda for DNS-SD has been posted, see below. > > All meeting materials, and links to remote participation, can be found at > https://datatracker.ietf.org/meeting/99/agenda.html. > > Tim & Ralph > > =E2=80=94 > > DNSSD WG Agenda > > IETF99, Prague > Wednesday 19th July 2017 > Athens/Barcelona Room 15:20 - 16:50 local time > > Chairs=E2=80=99 Introduction > Chairs, 5 mins > > DNS-SD Privacy drafts Christian > Huitema, 15 mins > https://tools.ietf.org/html/draft-ietf-dnssd-privacy-02 > https://tools.ietf.org/html/draft-ietf-dnssd-pairing-02 > > DNS-SD Update and New Work Items Stuart Cheshire, > 45 mins > https://tools.ietf.org/html/draft-cheshire-dnssd-roadmap-00 > https://tools.ietf.org/html/draft-sctl-service-registration-00 > https://tools.ietf.org/html/draft-sctl-discovery-broker-00 > https://tools.ietf.org/html/draft-sctl-dnssd-mdns-relay-00 > https://tools.ietf.org/html/draft-cheshire-edns0-owner-option-01 > To be written: DNS-SD Advertising Proxy, Zone Stitching > > Multicast DNS Discovery Proxy Ted Lemon= , > 10 mins > > DNS-SD / CoRE RD interoperability discussion Kerry > Lynn, 10 mins > https://tools.ietf.org/html/draft-ietf-core-rd-dns-sd-00 > > Summary of actions and close Chairs, 5 > mins > > > > _______________________________________________ > dnssd mailing list > dnssd@ietf.org > https://www.ietf.org/mailman/listinfo/dnssd > --94eb2c12f714cf22720554a71b7c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Slight nit: draft-sctl-dnssd-mdns-relay-00 should be under= my talk, not Stuart's.

On Wed, Jul 19, 2017 at 10:01 AM, Tim Chown <Tim.Chown= @jisc.ac.uk> wrote:
Hi,

The final agenda for DNS-SD has been posted, see below.

All meeting materials, and links to remote participation, can be found at <= a href=3D"https://datatracker.ietf.org/meeting/99/agenda.html" rel=3D"noref= errer" target=3D"_blank">https://datatracker.ietf.org/meeting/99/agend= a.html.

Tim & Ralph

=E2=80=94

DNSSD WG Agenda

IETF99, Prague
Wednesday 19th July 2017
Athens/Barcelona Room 15:20 - 16:50 local time

Chairs=E2=80=99 Introduction=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 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Chairs, 5 mi= ns

DNS-SD Privacy drafts=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=A0Christian Huitema, 15 mins
https://tools.ietf.org/html/draft-ietf-d= nssd-privacy-02
https://tools.ietf.org/html/draft-ietf-d= nssd-pairing-02

DNS-SD Update and New Work Items=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Stuart Cheshire, 45 mins
https://tools.ietf.org/html/draft-ch= eshire-dnssd-roadmap-00
https://tools.ietf.org/html/draft= -sctl-service-registration-00
https://tools.ietf.org/html/draft-sc= tl-discovery-broker-00
https://tools.ietf.org/html/draft-sc= tl-dnssd-mdns-relay-00
https://tools.ietf.org/html/dra= ft-cheshire-edns0-owner-option-01
To be written: DNS-SD Advertising Proxy, Zone Stitching

Multicast DNS Discovery Proxy=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=A0Ted Lemon, 10 mins

DNS-SD / CoRE RD interoperability discussion=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Kerry Lynn, 10 mins
https://tools.ietf.org/html/draft-ietf-= core-rd-dns-sd-00

Summary of actions and close=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 Chairs, 5 mins



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

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Wed, 19 Jul 2017 09:37:19 +0000 From: Tim Chown To: "dnssd@ietf.org" Thread-Topic: [dnssd] DNS-SD session, today 15:20 local time Thread-Index: AQHTAGU6cIwrsYSZ4EyWALsOuC0gy6JaytqAgAAOHICAAAt2AA== Date: Wed, 19 Jul 2017 09:37:19 +0000 Message-ID: <76A8C711-B996-47AF-866B-A6FEC5C96D68@jisc.ac.uk> References: <0DF30FE6-D23B-400A-83A8-18CD1B574648@jisc.ac.uk> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3273) x-originating-ip: [2001:67c:370:128:9cb4:6925:6657:8734] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM3PR07MB0631; 20:yfYf6idZN5yOenLYrzyN1eJpvV3PwdY5XgXbTTpSAuY2HVYQkRm718LHsr+xoZKU9349Yk8bqGjJpmpifE/EIw3HLrY4ZA9QT+Cbt/phuoWoYkNXdVOEE4VlyAzQsqgtkvC8bDkFHXJmZ/FcK5Jxz2LByy/c8nY6iegOA23qkMY= x-ms-office365-filtering-correlation-id: d950c818-a0d0-4df0-d9ff-08d4ce89bfe9 x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(2017030254075)(300000503095)(300135400095)(2017052603031)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); 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charset=UTF-8 Content-Transfer-Encoding: base64 Archived-At: Subject: Re: [dnssd] DNS-SD session, today 15:20 local time X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jul 2017 09:37:39 -0000 SGksDQoNCldlIGhhdmUgbWFkZSBhIHNsaWdodCB0d2VhayB0byB0aW1pbmdzIGZvciB0aGUgYWdl bmRhLCBidXQga2VlcGluZyB0aGUgc2FtZSBydW5uaW5nIG9yZGVyLg0KDQpLZXJyeSwgZmVlbCBm cmVlIHRvIGFkdmVydGlzZSB0aGlzIG9uIHRoZSBjb3JlIFdHIGxpc3Qgd2l0aCBlbmNvdXJhZ2Vt ZW50IHRvIGNvbW1lbnQgb24geW91ciBkcmFmdC4NCg0KVGltDQoNCuKAlA0KDQpETlNTRCBXRyBB Z2VuZGENCg0KSUVURjk5LCBQcmFndWUNCldlZG5lc2RheSAxOXRoIEp1bHkgMjAxNw0KQXRoZW5z L0JhcmNlbG9uYSBSb29tIDE1OjIwIC0gMTY6NTAgbG9jYWwgdGltZQ0KDQpDaGFpcnPigJkgSW50 cm9kdWN0aW9uCQkJCQkJCUNoYWlycywgNSBtaW5zDQoNCkROUy1TRCBQcml2YWN5IGRyYWZ0cwkJ CQkJCUNocmlzdGlhbiBIdWl0ZW1hLCAyMCBtaW5zDQpodHRwczovL3Rvb2xzLmlldGYub3JnL2h0 bWwvZHJhZnQtaWV0Zi1kbnNzZC1wcml2YWN5LTAyDQpodHRwczovL3Rvb2xzLmlldGYub3JnL2h0 bWwvZHJhZnQtaWV0Zi1kbnNzZC1wYWlyaW5nLTAyDQoNCkROUy1TRCBVcGRhdGUgYW5kIE5ldyBX b3JrIEl0ZW1zCQkJCVN0dWFydCBDaGVzaGlyZSwgMzAgbWlucw0KaHR0cHM6Ly90b29scy5pZXRm Lm9yZy9odG1sL2RyYWZ0LWNoZXNoaXJlLWRuc3NkLXJvYWRtYXAtMDANCmh0dHBzOi8vdG9vbHMu aWV0Zi5vcmcvaHRtbC9kcmFmdC1zY3RsLXNlcnZpY2UtcmVnaXN0cmF0aW9uLTAwDQpodHRwczov L3Rvb2xzLmlldGYub3JnL2h0bWwvZHJhZnQtc2N0bC1kaXNjb3ZlcnktYnJva2VyLTAwDQpodHRw czovL3Rvb2xzLmlldGYub3JnL2h0bWwvZHJhZnQtY2hlc2hpcmUtZWRuczAtb3duZXItb3B0aW9u LTAxDQpUbyBiZSB3cml0dGVuOiBETlMtU0QgQWR2ZXJ0aXNpbmcgUHJveHksIFpvbmUgU3RpdGNo aW5nDQoNCk11bHRpY2FzdCBETlMgRGlzY292ZXJ5IFByb3h5CQkJCQlUZWQgTGVtb24sIDE1IG1p bnMgDQpodHRwczovL3Rvb2xzLmlldGYub3JnL2h0bWwvZHJhZnQtc2N0bC1kbnNzZC1tZG5zLXJl bGF5LTAwDQoNCkROUy1TRCAvIENvUkUgUkQgaW50ZXJvcGVyYWJpbGl0eSBkaXNjdXNzaW9uCQkJ S2VycnkgTHlubiwgMTUgbWlucw0KaHR0cHM6Ly90b29scy5pZXRmLm9yZy9odG1sL2RyYWZ0LWll dGYtY29yZS1yZC1kbnMtc2QtMDANCgkJCQkJCQkJCQ0KU3VtbWFyeSBvZiBhY3Rpb25zIGFuZCBj bG9zZQkJCQkJQ2hhaXJzLCA1IG1pbnM= From nobody Wed Jul 19 07:04:26 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 94937131CBD for ; Wed, 19 Jul 2017 07:04:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.248 X-Spam-Level: X-Spam-Status: No, score=-4.248 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FORGED_FROMDOMAIN=0.199, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-2.8, 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 4cwzrtFXM23d for ; Wed, 19 Jul 2017 07:04:24 -0700 (PDT) Received: from mail-wr0-f170.google.com (mail-wr0-f170.google.com [209.85.128.170]) (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 B773E126CD8 for ; Wed, 19 Jul 2017 07:04:23 -0700 (PDT) Received: by mail-wr0-f170.google.com with SMTP id k71so5592102wrc.2 for ; Wed, 19 Jul 2017 07:04:23 -0700 (PDT) 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=UnxZrxbGgv654mUXE5mzLH2+6qllrwF/BYmRlZG6W30=; b=jwsofW7HW6Z3uyjJX1EwZV3TnB/8/E5ItgV8WG0wx0EVP0b/WTBipaJBtOFL9keBpM jVup//Os7trmjZ6n3tGqbfmNlWxH1t6lfnf1m6Himh9EvwYPigUYhx8srhMJLezy/6WN yeKCSx1CBKG9/VgZ93zpbLni5E/sOBucrirE6kZ/jsODwYHDYLukGpn4ZCC7FhIigF+g BAZIv6JwFgC2VlrykeJpWDNehayornLFHXwthW/7HFjervjYkKiHUa+NxhX1FVoY5UFs mH7i2EW7NE5hPrFII9qAv7cbD12l/S9GSLzVUK0BrBOkUOkHP9EA5V7m5eUnSDB2XTIc j4PQ== X-Gm-Message-State: AIVw1101vy0PrEiCIlMUg01NidaGs6fDxcKnSClmlydyWonoDqilvklJ Txe4qBNvLYClwSLDEOJX55YdRoDkww== X-Received: by 10.223.132.133 with SMTP id 5mr4210227wrg.132.1500473061995; Wed, 19 Jul 2017 07:04:21 -0700 (PDT) MIME-Version: 1.0 From: Kerry Lynn Date: Wed, 19 Jul 2017 14:04:11 +0000 Message-ID: To: "dnssd@ietf.org" Content-Type: multipart/alternative; boundary="94eb2c0da26edafa960554ac1bf1" Archived-At: Subject: [dnssd] EAP-NOOB X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jul 2017 14:04:26 -0000 --94eb2c0da26edafa960554ac1bf1 Content-Type: text/plain; charset="UTF-8" Here's a link to the network admission control proposal based on dynamic QR codes I mentioned at the mic line during Christian's DNSSD Pairing presentation. There may be an opportunity to leverage primitives (both SEC and UX): https://tools.ietf.org/html/draft-aura-eap-noob Regards, Kerry --94eb2c0da26edafa960554ac1bf1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Here's a link to the network admission control propos= al based on
dynamic QR codes I mentioned at the mic = line during Christian's
DNSSD Pairing presentati= on.=C2=A0 There may be an opportunity to
leverage pr= imitives (both SEC and UX):

Regards= , Kerry
--94eb2c0da26edafa960554ac1bf1-- From nobody Wed Jul 19 07:48:34 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 95FF412FEE2 for ; Wed, 19 Jul 2017 07:48:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.001 X-Spam-Level: X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RP_MATCHES_RCVD=-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=toke.dk 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 XbbPmDnCEeed for ; Wed, 19 Jul 2017 07:48:31 -0700 (PDT) Received: from mail.toke.dk (mail.toke.dk [52.28.52.200]) (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 1B0B712F268 for ; Wed, 19 Jul 2017 07:48:31 -0700 (PDT) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1500475707; bh=8Ycx1hStfhZsMgJrqkeO/+bWfeQuLvffobtfCirvbAQ=; h=From:To:Subject:Date:From; b=n/I+9RgAV5ecQm9zfHxWxIJl9x3Vl1R/8ayp6zJcYbBy3Ej+Wmbv8CmO3dDfcBFyS 8VnCqTR7zL6gw1EiyQkGsnwql/EVa3vJSJSrXxPyz6CmXoFrAZdh1K8OxBaz8S5qDt m2C5koALnOcJUE1v3LTK1Z7UkoGKU2bb6k7or0pLRbXg+n5MUMxO1WbipEzue2quJJ 23zxzzyrNizxTeb9HmHQs4q0BrhY+IqV52KRwO5Ospz0JR22P/ZROsQep0DltlciSv o4VlTz7wmPluhQ4pORu9PvQnacZYmlDv8Rprusap9h5GVK4OCT8qzGXbjX07sRe14G nsut12omEXTow== To: dnssd@ietf.org Date: Wed, 19 Jul 2017 16:48:23 +0200 X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <87bmogo53c.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Archived-At: Subject: [dnssd] My implementation of DNS service registration spec X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jul 2017 14:48:34 -0000 Hi everyone This is the (partial) implementation of draft-sctl-service-registration I was talking about: https://github.com/tohojo/nsregd The README file has a few more details on how it's supposed to work. I also wrote a blog post about how I'm using it in my network: https://blog.tohojo.dk/2017/06/naming-and-service-discovery-on-a-routed-ipv6-network.html These are the current differences between the implementation and the draft: - My implementation overloads the TTL value (in the message from the client to the registration server) instead of using the "Update Leases" specified in the draft - The client uses a different SRV lookup to find the registration server ( _nsreg._tcp. instead of _dns-update._udp.) - The registration server only speaks TCP (to avoid spoofing) - I don't implement the sleep proxy (Section 4 of the draft) - Server only allows A and AAAA records (and will optionally generate reverse PTRs). I'm planning to update the implementation to conform to the draft (now that I'm aware that it exists). I'll post a separate email with a review of the draft and some discussion points. -Toke From nobody Thu Jul 20 01:24:46 2017 Return-Path: X-Original-To: dnssd@ietfa.amsl.com Delivered-To: dnssd@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BEF6A129B55 for ; Thu, 20 Jul 2017 01:24:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.321 X-Spam-Level: X-Spam-Status: No, score=-4.321 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=jisc.ac.uk 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 0QVdh-xdXhSQ for ; Thu, 20 Jul 2017 01:24:42 -0700 (PDT) Received: from eu-smtp-delivery-189.mimecast.com (eu-smtp-delivery-189.mimecast.com [146.101.78.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1E061127337 for ; 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Thu, 20 Jul 2017 08:24:35 +0000 From: Tim Chown To: "dnssd@ietf.org" Thread-Topic: multicast over wifi discussion list Thread-Index: AQHTATGeehsI5w3kbESWem8xkhF78g== Date: Thu, 20 Jul 2017 08:24:35 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3273) x-originating-ip: [2001:67c:370:128:84ff:7081:ce45:ffec] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM3PR07MB0648; 20:q6zZzPZp5j3yqgfG8inppCUtmPLTSZWiuQenpH9q1YsPo265aK4y+rKD93Vl/vtQZ1DTV7DQqhBhjXRxpLIULpiwj6zpyF/+Kw9M8N7jfMjUxZp+Wtz6LOp6/AvWOKY0cuwEj5ApUPIqgXoI/y24804+C6Z7qTMgaFvBC+i9+Ag= x-ms-office365-filtering-correlation-id: f1ab2f79-a72c-4e3f-59cd-08d4cf48c183 x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(22001)(300000502095)(300135100095)(2017030254075)(300000503095)(300135400095)(2017052603031)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM3PR07MB0648; H:AM3PR07MB1140.eurprd07.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-ID: <7053BEB8A400BC41BF10D1A2348CEF82@eurprd07.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: jisc.ac.uk X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jul 2017 08:24:35.6350 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 48f9394d-8a14-4d27-82a6-f35f12361205 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM3PR07MB0648 X-MC-Unique: xa8tNvqmNLqjPmaeKvsXew-1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Archived-At: Subject: [dnssd] Fwd: multicast over wifi discussion list X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Jul 2017 10:28:34 -0000 --B_3583427309_633305553 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: 7bit Hi All, As you heard yesterday (in the WG meeting) the venerable Ralf Droms is stepping down as WG co-chair. If you have interest in an this IETF leadership role, please email Tim, Ralf, or I by the 28th of July. 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out.west.pexch112.icann.org (pfe112-ca-1.pexch112.icann.org [64.78.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C669B12ECBD for ; Thu, 27 Jul 2017 16:19:19 -0700 (PDT) Received: from PMBX112-W1-CA-1.pexch112.icann.org (64.78.40.21) by PMBX112-W1-CA-2.pexch112.icann.org (64.78.40.23) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Thu, 27 Jul 2017 16:19:16 -0700 Received: from PMBX112-W1-CA-1.pexch112.icann.org ([64.78.40.21]) by PMBX112-W1-CA-1.PEXCH112.ICANN.ORG ([64.78.40.21]) with mapi id 15.00.1178.000; Thu, 27 Jul 2017 16:19:16 -0700 From: Terry Manderson To: "dnssd@ietf.org" Thread-Topic: Interested in becoming a co-chair of DNSSD Thread-Index: AQHTAULuyxEiZSt/z0i8KHh2koaWGqJpd/yA Date: Thu, 27 Jul 2017 23:19:15 +0000 Message-ID: <7A58C104-01ED-4F8E-BC1C-4065D39499EF@icann.org> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.20.0.170309 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [192.0.32.234] Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="B_3584078355_135575308" MIME-Version: 1.0 Archived-At: Subject: Re: [dnssd] Interested in becoming a co-chair of DNSSD X-BeenThere: dnssd@ietf.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Discussion of extensions to DNS-based service discovery for routed networks." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Jul 2017 23:19:21 -0000 --B_3584078355_135575308 Content-type: text/plain; charset="UTF-8" Content-transfer-encoding: 7bit All, I am pleased to announce David Schinazi will become the new DNSSD co-chair. Ralph is doing all he can to aide in a smooth transition so for a period of time DNSSD will have 3 co-chairs. Cheers Terry On 20/07/2017, 8:28 PM, "Terry" wrote: Hi All, As you heard yesterday (in the WG meeting) the venerable Ralf Droms is stepping down as WG co-chair. If you have interest in an this IETF leadership role, please email Tim, Ralf, or I by the 28th of July. 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