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IPv6 over Networks of Resource-constrained Nodes (Active WG)
Int Area: √Čric Vyncke, Erik Kline | 2013-Oct-11 —  

IETF-108 6lo minutes

Session 2020-07-29 1300-1350: Room 1 - Audio stream - 6lo chatroom


minutes-108-6lo-00 minutes

          6lo WG meeting - IETF 108, Virtual
          6lo WG Agenda - IETF 108, Virtual
          13:00-13:50 (UTC) @ Room 1
          Wednesday, July 29, 2020
          Chairs: Shwetha Bhandari, Carles Gomez
          Responsible AD: Erik Kline
          Minute takers: Dominique Barthel
          Jabber scribe: Rahul Jadhav
          Meetecho:               https://www.meetecho.com/ietf108/6lo
          CodiMD for notes:       https://codimd.ietf.org/notes-ietf-108-6lo
          Meeting agenda
          Introduction and draft status (Bhandari/Gomez) [10 min]
            Agenda bashing; blue sheets; scribe; Jabber scribe
          Status of IPv6 over PLC draft (Liu Bing (Remy)) [10 min]
          Update of Applicability and Use Cases draft (Yong-Geun Hong) [10 min]
          Update of Design Consid. for Low Power Internet Protocols (Hudson
          Ayers)[10 min]
          New draft - 6LoWPAN Dispatch for SCHC (Carles Gomez) [10 min]
          Total: 50 min
          Meeting notes
          Times in UTC
          [13:00] Introduction and draft status (Bhandari/Gomez)
          * thanks to Suresh K outgoing resp AD, welcome Erik Kline, incoming resp
          * goes over Note Well
          * no comments on agenda, it is approved
          * report on WG docs status
            - 6lo-deadline-time-05: latest updates to be included into RFC Editor
          Erik will do. In the chat later on, Erik reports that the authors need
          to check
          the AUTH48 text to see if latest changes are in.
            - draft-ietf-6lo-nfc: Erik will read and review, has been held back
            by other issues.
          * 6lo over Bluetooth: interest from the Bluetooth SIG
          * no comments
          [13:11] Status of IPv6 over PLC draft (Liu Bing (Remy))
          * goes through reviews received during WGLC and responses.
          * no comments
          * Carles will do the shepherd write-up, authors be ready to reply about
          any IPR on
          this document.
          [13:18] Update of Applicability and Use Cases draft (Yong-Geun Hong)
          * gives an overview of the draft
          * goes over comments received since last meeting, and responses
          * no questions or comments
          * Shwetha: since many comments received, will do a shorter WGLC, do
          Carles and Erik
          * Erik: did folks read the latest version?
          * Carles: previous WGLC ended without comments, then got feedback on
          requests. Would be a good time to probe the WG again, with a WGLC.
          * Swetha: will take it on the list
          [13:33] Update of Design Consid. for Low Power Internet Protocols
          (Hudson Ayers)
          * update of a draft published few years back
          * 6LoWPAN implementations dont interoperate
          * 6 open source 6LoWPAN implementations tested against one another
          * digs through root causes, mostly attempts at saving flash size, and
          sometimes RAM
          * defined 3 design principles to cope with the issue: adding capability
          * evaluate the principles on 6LoWPAN
              * broke 6LoWPAN features into 6 capability levels
              * added capability discovery
              * evaluated code size for that proposal
          * not aiming a recommending this as changes to 6LoWPAN, but food for
          thought for
          this WG.
          * Erik: how about energy use?
          * Hudson: just looked at packet sizes, using that as proxy for
          energy. Small
          overhead for capability discovery, using ND.
          * Erik: ICMP?
          * Hudson: indeed, new packets compared to prior situation, but considered
          [13:49] New draft - 6LoWPAN Dispatch for SCHC (Carles Gomez)
          * individual draft on potential use of SCHC (RFC8724) for 6lo networks.
          * discusses 3 options for dispatch byte.
          * will continue discussion on mailing list
          * Rahul: ... SCHC for single hop ... cna it be used over multi-hop?
          * Carles: yes, as a header compression technique only, the aim is to
          work over single-hop and multi-hop
          * Rahul: will take it to the mailing list
          * Laurent: supports this, could also use SCHC for upper layer compression
          RFC6282 for IPv6 header compression.
          * Carles: agreed.
          [13:55] meeting adjourned

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