[wot-discovery] minutes - 6 July 2020

available at:
  https://www.w3.org/2020/07/06-wot-discovery-minutes.html

also as text below.

Thanks a lot for taking the minutes, Andrea!

Kazuyuki

---
   [1]W3C

      [1] http://www.w3.org/

                               - DRAFT -

                             WoT-Discovery

06 Jul 2020

   [2]Agenda

      [2] https://www.w3.org/WoT/IG/wiki/WG_WoT_Discovery_WebConf#6_July_2020

Attendees

   Present
          Kaz_Ashimura, Michael_McCool, Christian_Glomb,
          Andrea_Cimmino, Kevin_Olotu, Kunihiko_Toumura,
          Farshid_Tavakolizadeh, Cristiano_Aguzzi,
          Tomoaki_Mizushima

   Regrets

   Chair
          McCool

   Scribe
          andrea_cimmino

Contents

     * [3]Topics
         1. [4]Prev minutes
         2. [5]New requirements from F2F and issues
     * [6]Summary of Action Items
     * [7]Summary of Resolutions
     __________________________________________________________

   <kaz> scribenick: andrea_cimmino

Prev minutes

   <kaz> [8]June-1

      [8] https://www.w3.org/2020/06/01-wot-discovery-minutes.html

   meeting starts with reviewing the meeting minutes of June
   the1st

   objections for publishing the minutes of the 1st of June are
   not presented

   following the minutes of the meeting of June the 15th are
   reviewed

   <kaz> [9]June-15

      [9] https://www.w3.org/2020/06/15-wot-discovery-minutes.html

   no objections to publish also the minutes of the 15th of June

   <kaz> [10]vF2F minutes

     [10] https://www.w3.org/2020/06/22-26-wot-vf2f-minutes.html

   finally, the F2F draft minutes are reviewed

   McCool: recaps the discussions: requirements and design
   decisions, LinkSmart directory service, and DID

   <McCool> Verifiable Credentials in IoT Services

   McCool: requests the change of one subsection named DID for
   Verifiable Credentials in IoT services

   <McCool>
   [11]https://github.com/w3c/wot/blob/master/PRESENTATIONS/2020-0
   6-online-f2f/2020-06-22-DID-VC-Fotiou.pdf

     [11] https://github.com/w3c/wot/blob/master/PRESENTATIONS/2020-06-online-f2f/2020-06-22-DID-VC-Fotiou.pdf

   kaz updated the title and liked to the slides

   no objections for publishing the minutes of the F2F meeting

New requirements from F2F and issues

   <scribe> new ideas for the requirements extracted from the F2F
   and issues

   There are scenarios in which with a link has a type and thus,
   beforehand it can be know if the link points to a device or a
   directory

   McCool: do we want to have someway to distinguish this
   scenarios?
   ... ...we should add UPnP as an introduction mechanism
   (extracted from F2F minutes)

   <kaz> [12]wot-testing repo

     [12] https://github.com/w3c/wot-testing/issues

   <kaz> kaz: we could look into the wot-test repo issues as well
   :)

   <inserted> mm: any specific topics in your mind, Farshid?

   farshid: idea regarding modelling the directory structure

   proposed by FarshidT

   McCool: adds a new topic of discussion proof chain (from F2F
   minutes)
   ... adds as a discussion topic to define the purpose of TTL
   ... adds as a discussion topic the streaming for delivering
   large TDs from directories
   ... adds as a discussion topic "local vs global" IDs
   ... adds as a discussion topic OpenID

   the following requirements capture the requirements from the
   minutes of F2F

   correction*: the previous requirements capture the requirements
   from the minutes of F2F

   from the wot-testing also new requirements/discussion points
   are derived

   McCool: adds the discussion about "IDs from TDs troubles as
   primary keys since they are optional"
   ... adds as a discussion topic the Json Path implementation and
   incompleteness problem
   ... adds as a discussion topic the DNS-SD service types
   ... now let's walk through the previous ones to take decisions

   <kaz> list of topics:

   <kaz> Untyped introductions

   <kaz> Links in directories

   <kaz> UPnP as introduction

   <kaz> Acronym for Thing (Description) Directory; "TD" is no
   good

   <kaz> Proof chaining

   <kaz> Define purpose(s) of TTL; protocol-specific requirements

   <kaz> Streaming (for delivering large TDs from directories...)

   <kaz> Local vs. global IDs

   <kaz> OpenID

   cris_ idea on topic Untyped introductions, "having the types
   available"

   Regarding Links in directories, likely is better to have links
   to TDs and no TDs themselves

   FarshidT points out that maybe the opposite alternative could
   be better for scenarios where queries should not be sent to
   devices

   in order to be solved over the TD

   McCool: ...the bottom line, does any of this discussion
   requires to create an issue?
   ... UPnP as introduction probably requires
   ... regarding the acronym, "TDD" could be better
   ... "Thing Description Directory (TDD)"
   ... Proof chaining likely will require a PR, seems reasonably
   to be considered
   ... Regarding Streaming will require also a PR
   ... regarding OpenID maybe is not a discovery problem, more a
   security problem

   we move to check the issue from Ben

   McCool: we will have a discussion in regards the difference of
   "directory" and "gateway"
   ... gateway is view as a box in which different services can be
   run
   ... the directory is a service, thus, it could be ran over a
   gateway
   ... from the points posted by ben the first and second are
   highly related to discovery, but not the third which could be
   out of scope

   <kaz> [13]Issue 32 - What is a Thing Directory?

     [13] https://github.com/w3c/wot-discovery/issues/32

   McCool: answers the issue explaining the difference between
   using gateway as a service, or as a device
   ... adds to the issue answer the definition of what is a
   directory as endowed by the group and its difference with the
   gateway
   ... includes that it would be ok to have only links in the
   directories, and motivates this statement
   ... concludes that having only links is not as suitable as
   having TDs when comes to discovery

   McCool is going to post the issue for discussing having a list
   of links and TDs stored at the directory

   kaz suggest to look into Manifests and review the IETF rfcs and
   drafts

   <kaz> [14]McCool's comments for Issue 32

     [14] https://github.com/w3c/wot-discovery/issues/32#issuecomment-654291878

   <kaz> [adjourned]

Summary of Action Items

Summary of Resolutions

   [End of minutes]
     __________________________________________________________


    Minutes manually created (not a transcript), formatted by
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     [16] http://dev.w3.org/cvsweb/2002/scribe/

Received on Tuesday, 14 July 2020 09:18:42 UTC