00:10:55 RRSAgent has joined #wot 00:10:55 logging to http://www.w3.org/2017/05/16-wot-irc 00:11:17 Meeting: WoT f2f in Osaka - Tuesday, OpenDay 00:11:31 remote: Michael_Koster, Yingying_Chen 00:11:49 topic: Greetings from Panasonic 00:12:01 Ohsumi-san and Fuchiue-san 00:12:21 topic: Today's agenda - Naka-san 00:12:46 naka: explains today's schedule 00:12:56 ... and provide logistics information 00:13:12 ... coffee and lunch will be served at the HUB space 00:13:38 ... demo available at the presentation room during coffee breaks 00:13:48 .... wifi available 00:14:00 ... demo tour and social dinner in the evening 00:14:16 ... leaving here at 16:40 00:14:40 ... ISO rep not available, so Naka-san will give brief explanation 00:14:57 topic: ISO/IEC JTC1 SC41 work 00:15:04 naka: scope and standards 00:15:29 ... explains the work briefly 00:16:03 taki has joined #wot 00:16:21 kaz: IRC is available at #wot 00:16:22 naomi has joined #wot 00:16:32 ryuichi has joined #wot 00:16:34 tokuyama has joined #wot 00:16:40 yamada has joined #wot 00:16:43 naka: Getting Started with WoT Project 00:17:03 kaji: [ Conceptual Architecture and Objective ] 00:17:40 ktoumura has joined #wot 00:18:14 shigeya has joined #wot 00:18:15 ohura has joined #wot 00:18:37 shigeya has left #wot 00:18:44 shigeya has joined #wot 00:19:06 ... [ Practical viewpoint of Silo vs WoT ] 00:19:41 ... one-stop universal platform 00:20:26 toru has joined #wot 00:21:19 ... [ WoT Framework example ] 00:22:06 ... [ Usage of Semantics on WoT ] 00:22:34 ... global identical vocabulary needs to be defined 00:22:46 ... regardless of languages, etc. 00:23:23 Katsuyoshi_Naka has joined #wot 00:23:36 ... attribute for discovery 00:24:45 ... [ WoT Framework example ] 00:25:37 ... WoT client and WoT server 00:25:55 sano has joined #wot 00:27:12 ... [ WoT Servient building block ] 00:27:45 ... servient has both the capabilities of server and client 00:27:51 ... [ WoT server in device itself ] 00:28:24 ... [ WoT server for constraint device ] 00:29:18 ... [ WoT interoperability PoC in Panasonic ] 00:29:25 ... 5 different services 00:29:38 ... smart apps platform 00:29:44 ... smart home platform 00:30:14 ... IRKit platform 00:30:20 ... Hue platform 00:30:28 ... Alexa platform 00:30:49 s/services/services included in Panasonic demo yesterday/ 00:33:23 kaji: [ Cross Interaction Demo ] 00:34:17 ... KDDI tmp sensor and Siemens app 00:34:40 ... Siemens app controls Panasonic light 00:34:51 ... Fujitsu app also controls Panasonic light 00:35:03 ... [ Standardization process in WoT ] 00:35:16 ... Yongjing mentioned the story during the AC meeting in Beijing 00:36:47 ... please join WoT IG/WG! 00:37:07 ... questions/comments? 00:37:30 (no specific questions/comments) 00:37:37 kaji: shows photos 00:37:50 ... from Santa Clara meeting 00:38:26 ... and video from Osaka 00:38:54 ... and then video from Santa Clara again 00:40:57 sebastian has joined #wot 00:41:00 topic: Logistics note - Naka-san 00:41:03 smatsui3 has joined #WoT 00:41:10 naka: IRC channel: #wot 00:41:12 yongjing_zhang has joined #wot 00:41:13 Maurice has joined #wot 00:41:27 Hiroyuki_Nishida has joined #wot 00:41:36 Yoji_Nagao has joined #wot 00:41:37 Kanji_Mihara has joined #wot 00:41:38 tanakak has joined #wot 00:41:38 ... can join using http://irc.w3.org/?channels=#wot 00:41:43 Yasufumi_Ichikawa has joined #wot 00:41:52 barryleiba has joined #wot 00:42:03 topic: Star Micronics introduction - Miura-san 00:42:17 nunoken has joined #wot 00:42:19 Yoshihisa_Homma has joined #wot 00:42:22 koji: tx for inviting me 00:43:00 Yoshio_Takahashi has joined #WoT 00:43:22 ... 3 main products 00:43:36 NUchida has joined #wot 00:43:46 ... automatic lathes, small printers, precision products 00:44:00 kajimoto has joined #wot 00:44:05 shinya_nakai has joined #wot 00:44:08 ... legacy POS printer 00:44:23 ... 2nd top world share 00:44:26 Matsuda has joined #wot 00:44:31 ... also mobile POS printer 00:44:47 ... 1st world share 00:44:56 ... various partners 00:45:05 ... POS market pyramid 00:45:17 ... mobile POS market is our focus 00:45:38 ... why Star is No.1? 00:45:44 shinya_nakai has left #wot 00:45:55 ... keeping up with the trend of smartphone/tablet market 00:46:02 ... many innovative solutions 00:46:23 Katsuyoshi_Naka has joined #wot 00:46:26 ... MFi certified 00:46:32 ... multiple lineups 00:46:45 ... easy-to-use SDK freely available 00:46:51 ... so easy setup 00:47:12 ... original software services like WebPRNT, PassPRNT and AllReceipts 00:47:24 ... that's why Star's printers are de-facto 00:47:46 ... software solutions including Star SDK 00:48:03 ... both for iOS and Android 00:48:20 sam has joined #wot 00:48:28 ... not only APIs but also source codes 00:48:37 ... Star WebPRNT 00:49:11 ... from iOS, Android and Surface 00:49:36 ... HTML/JS + StarLine XML/HTTP over wifi 00:49:54 ... web bridge function for Bluetooth 00:50:23 ... Star PassPRNT as software-based printer server 00:50:34 ... driver application 00:51:12 remote+ Sam 00:51:22 ... Star AllReceipts 00:51:46 ... digital receipt is provided by AllReceipts service 00:51:50 ... current situation 00:52:08 ... our printer supports this kind of multiple I/F 00:52:25 ... USB-A, USB-B, LAN and another USB-A 00:52:36 ... tx 00:53:19 kaz: ok to upload this presentation? 00:53:25 koji: let me check 00:53:47 mm: printer driver as a web service? 00:53:51 ... payload as XML? 00:53:53 koji: yes 00:54:36 kaz: koji mentioned a difficulty of basic printer which restricts sizes 00:54:46 ... in this case any data is available, the slide says 00:54:54 ... do you have any specific problems? 00:54:58 Kanji_Mihara_ has joined #wot 00:55:23 kaz: w3c wot group has a difficulty of streaming data 00:55:32 ... we need some method on it 00:55:40 ... how to specify data 00:55:58 koji: BoS printer market we need to have 100% guarantee 00:56:20 ... streaming idea works but not perfect solution for 100% guraantee 00:56:33 ... we have to set data links inside of Thing Description 00:56:44 ... client have to count data 00:56:45 s/a difficulty/difficulty/ 00:56:50 mm; JSON market 00:57:03 ... tickets 00:57:14 ... are you looking that market? 00:57:36 koji: we might sell ticket service 00:57:47 kaz: mm, you mean online store? 00:57:57 mm: no, my point is point of sale 00:58:41 ... we have IoT application to log in 00:58:55 koji: we support multipul language 00:59:03 ... and right to left, left to right 00:59:19 ... this is not for wot but we focus Thing Description 00:59:23 kaz: another question 00:59:38 ... do you have usual http and @2 style of printing? 00:59:46 ... W3C CSS writing mode spec 00:59:56 ... do you use that kind of specs on printing? 00:59:59 koji: yes 01:00:06 ... it'll fit our concerning point 01:00:15 ... this software idea can fit as well 01:00:28 ... inside of apps to generate convert commands 01:00:41 ... it can easy to generate receipt 01:00:45 kaz: interesting point 01:00:56 ... relating semantics and CSS style 01:01:08 koji: any questions? 01:01:09 s/relating/relationship between/ 01:03:23 Sumie_Miki has joined #wot 01:16:20 barryleiba has joined #wot 01:19:32 dsr has joined #wot 01:27:12 YosukeUkita has joined #wot 01:27:36 [ morning break ] 01:28:10 SeijiNimura has joined #wot 01:28:32 n_uchida has joined #wot 01:30:00 naomi has joined #wot 01:30:03 naomi has joined #wot 01:35:00 Susumu has joined #wot 01:36:21 hitoshi has joined #WoT 01:39:34 toru has joined #wot 01:41:29 Miki has joined #wot 01:41:35 taki has joined #wot 01:41:52 topic: OCF 1.0 Overview - Michael McCool 01:42:00 mm: [Outline] 01:42:10 Takai has joined #WoT 01:42:33 ohura2 has joined #wot 01:42:34 ... OCF history, background and markets 01:42:45 ... OCF architecture and principles 01:42:47 ... working on diagrams 01:43:07 ... changes between OIC 1.1 and OCF 1.0 draft candidate 01:44:25 ... [OCF - High Level Goals] 01:44:32 ... easy for developers 01:45:04 ... common data model 01:45:18 ... initial target is smart home 01:45:26 ... [OCF&IoTivity] 01:45:46 .., open source implementation 01:45:58 ... budget under Linux Foundation 01:46:11 Yoshihisa_Homma has joined #wot 01:46:16 ... C++ implementation and now Node implementation 01:46:56 ... primary focus on CoAP 01:47:19 ... [OCF - Conceptual Framework] 01:47:38 ... profiles, core framework and transports 01:47:55 ... core framework is standard mechanism 01:48:12 ... interaction/data model, resource model 01:48:23 ... discovery, data transmission, data management, device management 01:48:42 ... transports: bluetooth, wifi, lte, ... 01:48:51 ... [OCF - Resource Model] 01:49:13 SeijiNimura has joined #wot 01:49:55 ... common properties and resource specific properties 01:50:07 ... interfaces basically provide views 01:50:18 ... sensor view, etc. 01:51:12 ... [Resource Model - examples] 01:51:30 ... resource URI: /a/light1 and /a/fan1 01:52:45 ... /a/light1 - rt: oic.ex.light; if: oic.if.rw; prop: discoverable, observable; n: myHallWayLight; State: 0 (off); Dim Level: 0 01:53:07 ... [Common Interaction Model - Transport Agnostic] 01:53:23 ... Create, Retrieve, Update, Delete, Notify 01:56:13 ... [Let's look deeper at a Resource ...] 01:56:20 ... Server - DevA 01:56:49 ... [There can be more Properties] 01:56:58 ... [Resource Type - Data Modeling] 01:57:05 ... 2 things to describe metadata 01:57:18 ... first thing is set of properties 01:57:26 ... by JSON Schema 01:57:48 ... and verbs using RAML (ReStful API Modelling Language) 01:58:03 ... describes the request and response 01:58:17 ... and now the third option 01:58:29 ... emerging standard, Swagger (aka, open API) 01:58:37 ... OIC introspection 01:59:21 ... [Table 19: oic.wk.p resource type definition] 01:59:47 ... OCF specification defines "oic.wk.p" resource type for platform and its list of properties 02:00:00 ... [Link] 02:00:11 ... how to define te connection between two resources 02:00:21 ... /a/room and /switch 02:00:27 ... relative URL 02:00:33 ... { 02:00:43 ... "href": "/switch", 02:00:50 ... "rel": "contains", 02:00:59 ... "anchor": "/a/room", 02:01:12 ... ... 02:01:18 ... [Collections] 02:01:28 ... also scenes 02:01:36 ... set of devices 02:01:45 ... can be stores 02:01:46 s/stores/stored/ 02:01:55 ... [Collections...example] 02:02:05 ... "Room" collection - room has lights and fan 02:02:27 ... /my/room/1 02:02:30 ... { 02:02:36 ... "rt": "acme.room", 02:02:59 ... "if": ["oic.if.r", "oic.if.rv"], 02:03:01 ... ... 02:03:07 ... [Interfaces] 02:03:12 ... subset of resources 02:03:26 ... interface provides a "view" into a Resource or Collection 02:03:41 ... Interface defines allowed methods and semantics on that "view" 02:03:50 ... OCF has a set of predefined Interfaces 02:04:09 ... [OCF ER Model] 02:04:23 ... not from the official OCF spec... 02:04:47 ... platform-devices 02:05:01 ... WoT semantics define similar model 02:05:25 ... [Major Changes in OCF 1,0 (Draft) CR from OIC 11 02:05:30 s/11/1.1/ 02:05:38 s/1.1/1.1]/ 02:06:11 ... Swagger/OpenAPI for: data modeling, introspection, RAML is still used in main spec definition 02:06:35 ... Enhanced security: alignment with IETF ACE and AllJoyn 02:06:45 ... better specification of uses of certificates 02:06:54 ... better management of onboarding and offboarding processes 02:07:07 ... mandatory access control, system management 02:07:47 ... [Summary] 02:07:55 ... resource-oriented architecture 02:08:39 ... IoTivity 02:08:45 ... New features in OCF 1.0 02:09:59 ... Questions? 02:10:14 dsr: relationship between OCF and narrow-band verticals? 02:10:37 mm: OCF work is protocol/transport-agnostic 02:10:53 ... CoAP designed based on UDP 02:12:16 tanakak has joined #wot 02:12:45 topic: T2TRG Overview Discussion - Michael Koster 02:12:56 mk: [T2TRG] 02:13:01 ... started in March 2015 02:13:11 ... chartered by IRTF 02:13:35 ... investigate "Internet of Things" applications and architecture beyond IETF CoRE/CoAP 02:14:25 ... [Topics] 02:14:29 ... quite broad 02:14:37 ... REST and Hypermedia for connected things 02:14:49 ... Event-state duality, pub-sub pattern, notification 02:14:58 ... Connected Thing Life Cycle 02:15:04 ... Management and Operations 02:15:27 ... Work with Industry SDOs and Fora - work with W3C WoT on data models and semantics 02:15:57 s/narrow-band verticals/narrow band IoT/ 02:17:02 ... Plugtests, Interop tests 02:17:40 ... Practical Semantic Interoperability 02:17:45 ... Mobile code 02:17:47 ... Security 02:18:53 ... [Research Drafts] 02:19:03 ... RESTful design guidance 02:19:12 ... Security challenges for IoT 02:19:38 ... Hypermedia content types 02:19:53 ... CoRAL - CBOR Encoding of Hypermedia Controls 02:20:07 ... HSML - SenML + Link-Format Hypermedia Controls 02:20:12 ... [Events] 02:20:23 ... meet in conjunction with IETF and related activities 02:20:33 ... joint meetings with Industry Fora, e.g., OCF 02:20:49 ... semantic interop in conjunction with IETF 99 in Prague, July 15-16 02:20:57 .. planning for semantic interop events 02:21:12 ... multiple device ecosystems participating 02:21:35 ... [Meetings] 02:22:46 ... IETF 93, IETF 94, Jan 2016 (Sophia Antipolis Plugtest), March 2016 (with IAB Semantic Interop), IETF 95, IETF 96, Sep. 2016 (Joint with W3C WoT IG), Oct. 2016 (with Eclipsecon), IETF97, Mar. 2017 (joint with OCF), ... 02:22:52 ... [Next T2TRG Event] 02:23:04 ... T2TRG Joint Semantic and Hypermedia Interoperability Workshop 02:23:13 ... with IETF 98, Prague, Jul 15-16 02:23:28 ... OCF, LWM2M/IPSO, W3C WoT, iot.schema.org 02:23:54 ... example topics: cross-ecosystem semantic interop planning, hypermedia controls for actions, hypermedia-driven apps, models and model translation 02:24:56 ... [References] 02:25:09 ... datatracker.ietf.org/rg/t2trg/charter 02:25:16 ... github.com/t2trg 02:25:26 ... datatracker.ietf.org/rg/t2trg/documents/ 02:25:34 s|charter|charter/| 02:25:37 ... questions? 02:25:45 rrsagent, make log public 02:25:52 rrsagent, draft minutes 02:25:52 I have made the request to generate http://www.w3.org/2017/05/16-wot-minutes.html kaz 02:26:34 mm: next f2f of wot will be held Duseldolf 02:26:46 s/Duseldolf/Dusseldolf/ 02:27:08 mk: ending on Thursday and will travel to Prague on Friday 02:27:48 Zakim has left #wot 02:29:13 topic: Security Process in W3C WoT - Elena Reshetova 02:29:31 er: [Importance of Security for WoT] 02:29:55 ... why security is important for WoT? 02:30:13 ... 10 things to know about the Oct 21 IoT DDos attacks 02:31:25 ... avarage IoT device is compromised after being online for 6 mins 02:31:35 ... large-scale IoT security breach coming in 2017 02:31:58 ... here are the biggest IoT security threats facing the enterprise in 2017 02:32:04 ... very popular topic 02:32:15 ... [Always good to remember] 02:32:46 ... 3 principles: start early, involve everyone and explore existing solutions 02:34:59 ... [How do we do it?] 02:35:16 ... 1. threat model - understand what you need to protect and why 02:35:47 ... 2. scoping - organize and prioritize threats, define security objectives 02:36:07 ... 3. state of the art - study related areas and their approaches to security 02:36:23 ... 4. solutions - find a suitable mitigation for each in-scope threat 02:36:46 ... 5. implementation and evaluation - implement and test each solution 02:36:50 hitoshi has joined #WoT 02:37:47 Yoji_Nagao has joined #wot 02:39:12 shinya_nakai has joined #wot 02:39:36 ... questions? 02:39:57 ... (continues) 02:40:24 ... [1. Threat model - Understand what you need to protect and why] 02:40:29 sano has joined #wot 02:40:45 ... stakeholders, assets, attackers/attack surfaces, threats 02:43:23 ryuichi has joined #wot 02:43:52 Tak has joined #wot 02:44:24 ... [Resources] 02:44:46 ... WoT security documentation: github.com/w3c/wot/tree/master/security-privcy 02:44:57 ... WOT IG security webconf: www.w3.org/WoT/IG/wiki/IG_Security_WebConf 02:45:01 ... that's all 02:45:07 naka: questions? 02:45:53 naokis has joined #wot 02:46:02 kaz: everybody from this meeting room is encouraged to join the Security TF :) 02:46:10 elena: good point 02:46:15 [ Lunch ] 02:46:19 rrsagent, draft minutes 02:46:19 I have made the request to generate http://www.w3.org/2017/05/16-wot-minutes.html kaz 02:46:30 afternoon session will start at 13:30 02:46:33 rrsagent, draft minutes 02:46:33 I have made the request to generate http://www.w3.org/2017/05/16-wot-minutes.html kaz 02:46:47 remote+ Elena 03:11:47 yingying has joined #wot 03:36:30 shigeya has joined #wot 03:43:47 barryleiba has joined #wot 03:50:43 YosukeUkita has joined #wot 03:51:09 YosukeUkita has left #wot 03:51:47 YosukeUkita has joined #wot 04:04:05 naokis has joined #wot 04:09:28 ohura has joined #wot 04:10:26 kaz has joined #wot 04:19:16 naomi has joined #wot 04:24:54 SeijiNimura_ has joined #wot 04:26:16 Yoshihisa_Homma has joined #wot 04:29:56 dsr has joined #wot 04:30:59 sano has joined #wot 04:31:13 topic: OpenFog - Masahiro Shimohori 04:31:44 n_uchida has joined #wot 04:32:18 ms: [Building this necessary interoperability of fog-enabled applications requires a collaborative approach] 04:32:50 ... funded by the 5 companies and one univ 04:33:08 ... Intel, MS, Cisco, Dell, ARM, Princeton Univ. 04:34:13 ... [OpenFog mission] 04:34:18 ... mission statement 04:34:56 ... To drive industry and academic leadership in fog computing architecture, testbed develpment, and a variety of interoperability ... 04:35:04 ... [OpenFog COnsortium] 04:35:11 ... 57 members 04:35:26 taki has joined #wot 04:35:30 ... 6 founders 04:35:43 ... affiliations, contributing members, and other members 04:35:50 Miki has joined #wot 04:36:12 ... [OpenFog Consortium goals] 04:36:12 hitoshi has joined #WoT 04:36:21 ... technology, innovation, education 04:36:41 ... testbed to demonstrate interoperability 04:36:44 kotakagi has joined #wot 04:36:56 toru has joined #wot 04:37:19