[DMM] Meeting Minutes - DMM@IETF99
"Sri Gundavelli (sgundave)" <sgundave@cisco.com> Thu, 20 July 2017 07:44 UTC
Return-Path: <sgundave@cisco.com>
X-Original-To: dmm@ietfa.amsl.com
Delivered-To: dmm@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 34BC01317A1 for <dmm@ietfa.amsl.com>; Thu, 20 Jul 2017 00:44:38 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -14.523
X-Spam-Level:
X-Spam-Status: No, score=-14.523 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_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.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 ySjR33sWi-Gs for <dmm@ietfa.amsl.com>; Thu, 20 Jul 2017 00:44:36 -0700 (PDT)
Received: from alln-iport-8.cisco.com (alln-iport-8.cisco.com [173.37.142.95]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 659DE13169C for <dmm@ietf.org>; Thu, 20 Jul 2017 00:44:36 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=10156; q=dns/txt; s=iport; t=1500536676; x=1501746276; h=from:to:subject:date:message-id:content-id: content-transfer-encoding:mime-version; bh=YKlgmfgxKMlHzCKoxYZsCh8nbzOwSyewcDwHOwziyoI=; b=gJPXDhHUQkoPgqFJHGbfajB5gj5i+h61ptwfmhCb507ejeYcJSflPdIL 2oFQhuc2ODaFSQ7OUqmpHBOi2ZgTyB2wsq5P1UFMw7rGB+7bqf2GIaVru BuQh4Bvyq1/395cN6aUPCRwmCw7xD5HM/stq3iEX6+19IFh6cRTspbL6N U=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0CLAQAMXnBZ/5RdJa1cHAEBBAEBCgEBg1pkgRQHjgSna4IRLoUZg28/GAECAQEBAQEBAWsdC4YKAx0BGgJkFxAEExuKFBCzFYsfAQEBBwEBAQEBAR0FgyiBYYFsgWGHalyFPAWfPgKHSYxPggyJSIZgiUiMFQEfOIEKdRUfKoUTHIFndgGHOYEygQ4BAQE
X-IronPort-AV: E=Sophos;i="5.40,382,1496102400"; d="scan'208";a="458261254"
Received: from rcdn-core-12.cisco.com ([173.37.93.148]) by alln-iport-8.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jul 2017 07:44:35 +0000
Received: from XCH-ALN-009.cisco.com (xch-aln-009.cisco.com [173.36.7.19]) by rcdn-core-12.cisco.com (8.14.5/8.14.5) with ESMTP id v6K7iZTe030609 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL) for <dmm@ietf.org>; Thu, 20 Jul 2017 07:44:35 GMT
Received: from xch-aln-008.cisco.com (173.36.7.18) by XCH-ALN-009.cisco.com (173.36.7.19) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Thu, 20 Jul 2017 02:44:34 -0500
Received: from xch-aln-008.cisco.com ([173.36.7.18]) by XCH-ALN-008.cisco.com ([173.36.7.18]) with mapi id 15.00.1210.000; Thu, 20 Jul 2017 02:44:34 -0500
From: "Sri Gundavelli (sgundave)" <sgundave@cisco.com>
To: "dmm@ietf.org" <dmm@ietf.org>
Thread-Topic: Meeting Minutes - DMM@IETF99
Thread-Index: AQHTASwHzjPJ8cOPP0m80emRHneerQ==
Date: Thu, 20 Jul 2017 07:44:34 +0000
Message-ID: <D595AC6B.229465%sgundave@cisco.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/14.7.1.161129
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [10.24.87.58]
Content-Type: text/plain; charset="Windows-1252"
Content-ID: <945E0A1BC0841149B16A963271816314@emea.cisco.com>
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Archived-At: <https://mailarchive.ietf.org/arch/msg/dmm/-bJnUdq4pLA9_j2VeL6ZbBD6mso>
Subject: [DMM] Meeting Minutes - DMM@IETF99
X-BeenThere: dmm@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Distributed Mobility Management Working Group <dmm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dmm>, <mailto:dmm-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dmm/>
List-Post: <mailto:dmm@ietf.org>
List-Help: <mailto:dmm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dmm>, <mailto:dmm-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 20 Jul 2017 07:44:38 -0000
Thanks to Lyle Bertz for capturing this notes. On 7/20/17, 12:22 AM, "Bertz, Lyle T [CTO]" <Lyle.T.Bertz@sprint.com> wrote: >Copied over from Etherpad for your reference. > >** DMM Working Group Agenda ** > > >Date: Wed, July 19th, 2017 >Time: 9:30 AM to 12:00 PM, CEST >Location: IETF99 - Prague, Czech Republic >Meeting Chairs: Dapeng Liu (Alibaba) & Sri Gundavelli (Cisco) > > >9:30 AM: >Title: Administrivia & Intro, WG organization & milestones >Time: 15 minutes >Description: Agenda, Note-taker negotiation and WG Progress Update >Presenters: Chairs > > >9:45 AM: >Title: Protocol for Forwarding Policy Configuration (FPC) in DMM >Time: 25 minutes >Presenter: Lyle Bertz >Description: Document Status and Changes >Draft: https://tools.ietf.org/html/draft-ietf-dmm-fpc-cpdp-07 > >- have been working weekly since Chicago >- focus on topology and policy >- implementation from Verizon (demo'd at MWC) >- ONOS and OpenDayLight. >- this is an information model (abstract) >- enhanced type model - DPN type >- topology is only for DPN selection >Suresh (AD): how soon before deadline? >Lyle: Aiming for end of Sept. >Sri: when are reviewers assigned? >Suresh: when you tell me its ready from YANG perspective. These specs are >obscure for those outside the area. Let's avoid last-minute surprise. >Lyle: understaood. >Dapeng: volunteers within this WG? (no one volunteered) >Suresh: without review, this document doesn't leave WG. Wants to see >non-author read. >Lyle: invite anyone to pop into the weekly calls. >SSuresh: we need people within the group to review. Wants to see more >discussion on list. >Lyle: we have write-up internally, will see if impact on mobility. >Determines how much before > > > > >10:10 AM: >Title: MN Identifier Types for RFC 4283 MN Id Option >Time: 15 minutes >Presenter: Charlie Perkins (and Suresh Krishnan on IESG feedback) >Description: IESG DISCUSS Status >Draft: https://www.ietf.org/id/draft-ietf-dmm-4283mnids-04.txt >- Lots of discussion around types and issues on mailing lists wrt the >draft >- Security issue > - Believe we have possible resolutions for issues that were raised > - Presented many parts of the mailing list discussion in the >presentation > - RFID Types explained further > - Noted adding more types for LPWAN >- Reviewed commentary from mailing list > - Privacy concerns > - MNIDs by their nature are privacy issues > - recommend encrypting all MNIDs > - Why so many MNIDs? > - people ask for them > - this proposal is a registry > - MUST encrypt (proper security measures) can help with the > - Low energy on mailing list on what is needed > - push registry to drive the expert review > - ensure IANA considerations in the registry are strong > - confirmed - only really for newer MNID types > - plan is to change IANA policy, get approval, designate the >experts and move on >- Next steps > - straw proposal > - keep id types and make further considerations and re-submit for >last call >- No hard delivery date for the next steps > > >10:25 AM: >Title: Distributed Mobility Anchoring >Time: 15 minutes >Presenter: H Anthony Chan >Description: Update on the changes related to last call comments >Draft: >https://tools.ietf.org/html/draft-ietf-dmm-distributed-mobility-anchoring- >06 >- 4 reviews resulting in 3 version updates; 1 review pending >- Reviewed each change > - In 06 > - deleted slicing from the document > - deleted security management > - Removed description of the forwarding table >- Noted the draft does not propose a solution but describes the mobility >anchor and parameters used in communication/signaling >- Described in detail the many different examples by which DMA can be >achieved >- Clarified scope of document and organized it so that you don¹t have to >read everything >- Chair wants to ensure that all 4 prior reviewers approve the changes in >the latest spec version > > >10:40 AM: >Title: On Demand Mobility Management Socket Extensions >Time: 15 minutes >Presenter: Danny Moses >Description: Update on changes to the draft since IETF 98 >Draft: https://www.ietf.org/id/draft-ietf-dmm-ondemand-mobility-11.txt >- reviewed l(blocking issue) >- noted request from chairs to address socket blocking (setsockopt) >raised in IETF 98 by Erik Kline > - 3 alternatives proposed and put on list > - Noted that there was no mailing list response > - Dave Dolson made a comment (off list) but did not select one of the >3 options nor discussed it on the mailing list > - Selected 2nd alternative > - Chair asked if issue originator was satisfied by the solution? > - What is the guarantee of the SetSc return? session has been >successfully allocated and assigned to the client > - v6 Only noted several times > - Requests for accepting 2nd alternative > - As long as the function is documented that it blocks > - For POSIX, a non-blocking version or call back version is >async probably should be provided > - AD - Do we need another abstract function? > - EK - depends on OS > - In general, bind is hard to use cause the AF must be known > - More than 1 V6 address in the return? no > - SetSc uses return address > - Another approach raised - set preferences then do something >else > - Michael - the text is not clear that the APIs are abstract; >needs to make clearer > - does not mind but concerned by issues raised in other IETF >99 meetings > - Suresh - although we don¹t do language bindings; goal is to >stay abstract > - Lyle - Suggested to change any reference of Œcode¹ to >pseudo code to make it more apparent it is not a language binding. This >seems to address the concern > - Suresh - this work and privacy access are orthogonal; not sure >how the flags are considered or merging (RFC 5014 and this work) > - Need to check between specs and make some new considerations >- Support of future on demand types > - add new continuity type similar to 3GPP SSC mode 3 > - time limited session continuity > - valid and preferred lifetime > - Suresh - already signaled in the framework > - What is the graceful replacement use case (will ask on mailing list) > >10:55 AM: >Title: DMM Deployment Models and Architectural Considerations >Time: 5 minutes >Presenter: Seil Jeon >Description: Update on the draft status >Draft: https://www.ietf.org/id/draft-ietf-dmm-deployment-models-01.txt >- quick update >- Chair suggest to authors to fined reviewers (offline) for the document > > >11:00 AM: >Title: SRv6 for Mobile User-PlaneTime: 15 minutes >Presenter: Satoru Matsushima >Description: Applicability of SRv6 (Segment Routing IPv6) to user-plane >of mobile networks >Draft: >https://tools.ietf.org/html/draft-matsushima-spring-dmm-srv6-mobile-uplane >-00 >- Context; a new proposal >- Showed current example of mobile network and tunneling solution >- Showed SRv6 impact >- Gave Srv6 in a nutshell review >- Showed examples of how this solution supports >- related to FPC yang as a possible way to implement the solution >Questions >- Xingpeng- Does this work use the prefix types for on demand mobility? > - Don¹t think this is binding to the MN address assignment. >- Marco - May add more items to the paths that are not representative of >roles > - How is QoS handled? It is mentioned in the draft >- Dapeng - Why this vs. any other solution? Gets rid of tunnels >- Sri - Very good work item but not in the charter. Keep progressing and >will discuss with AD. >- Author hopes to update > > >11:15AM: >Title: Network-based and Client-based DMM solutions using Mobile IP >mechanisms >Time: 15 minutes >Presenter: Carlos Jesús Bernardos Cano >Description: Use of MIP protocol in DMM architecture >Draft (s): >https://www.ietf.org/id/draft-bernardos-dmm-cmip-07.txt >https://www.ietf.org/id/draft-bernardos-dmm-pmip-08.txt >https://www.ietf.org/id/draft-bernardos-dmm-distributed-anchoring-09.txt >- reviewed the various documents >- noted prior demos @ IETF >- noted open source code availablity >- ask WG if this work should continiue and will follow this up on the >maling list > > >11:30 AM: >Title: Anchor-less Mobility Management >Time: 10 minutes >Presenter: Xinpeng(Jackie) Wei >Description: >Draft: https://tools.ietf.org/id/draft-wei-dmm-anchorless-mm-01.txt >- reviewed proposal >- described MEC use case (smart relocation) and changes for DMM >- has the author looked at LISP? Yes > >11:40AM: >Title: Router Advertisement Prefix Option Extension for On-Demand Mobility >Time: 10 minutes >Presenter: Wu-chiX Feng >Description: Extensions to ND for indicating Mobility Service Type >Draft: https://www.ietf.org/id/draft-feng-dmm-ra-prefixtype-00.txt >- reviewed >- suggested it was brought to 6man (was done) >- no conflict with X bit but there is another proposal to burn anohter >bit which eats 2 of the 3 R-bits >- Suresh noted an extension mechanims for the exhaust or control through >a registry >- Alex - Who makes the demand? > > - Authors: We don't want to change the semantics of RS with this >proposal. Network will provide alternatives for the 'who'? > >- If there is an argument to modify RS we could try but authors were >discouraged. >- PBD option may be good for this. - This should be discussed in 6MAN Working group, suggested by Suresh and others. > >11:50 AM: >Title: FORCES for FPC >Time: 5 minutes >Presenter: Jamal Salim >Description: Proposal for using FORCES on FPC as a south bound protocol >Draft: TBD >- Lyle - As an author we are interested in finishing the information model >- as an implementor interested in the protocol > > > >11:55 AM: Adjourn >________________________________________
- [DMM] Meeting Minutes - DMM@IETF99 Sri Gundavelli (sgundave)