iot and wot (internet of things and web of things)
TRANSCRIPT
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IoT and WoT(Internet of Thing & Web of Things)
Jonghong JeonETRI, PEC
Email: [email protected] Blog: http://mobile2.tistory.com
http://twitter.com/hollobit
http://www.etri.re.kr
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The era of
Source: http://www.theconnectivist.com/2014/05/infographic-the-growth-of-the-internet-of-things/
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Change – Internet Remix
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Changes - Connected ThingsMore things are connecting to the Internet than people — Cisco’s Internet Business Solutions Group (IBSG) predicts some 25 billion devices will be connected by 2015, and 50 billion by 2020
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Changes – Emerging Open Source Hardware
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M2M & IoT
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Too many Players
https://www.cbinsights.com/blog/tech-periodic-table/
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Too Many Connection Technology
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Hello, Ciao, Grüetzi…
IoT needs standards Too many standards means no standard Big companies grouped in consortiums Communication protocols must meet
low-bandwidth requirements Interoperability at server level is not
always the best solution
Soure: http://www.slideshare.net/paolopat/internet-of-things-my-washing-machine-on-internet
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different visions on ‘‘Internet of Things”
Source: Luigi Atzori, “The Internet of Things: A survey”, October 2010
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Consideration 1: Back to Basic
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Is coming “Age of IoT” ? Really ?
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Is coming “Age of IoT” ? Really ?
Source: http://designswarm.com/blog/2014/02/the-past-10-years-of-the-internet-of-things/
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Don’t forget the Value and Usability
Source: https://twitter.com/cnetnews/status/243783603807461376
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야심찬 신제품이 시장서 실패하는 이유
“기업은 소비자들이 신제품의 새로운 효용에 매료될 것이라고 생각하지만 실제로 소비자들은 가격이 적절한지, 기존 소비 습관을 바꿀만한 것인지, 사회적행동의 변화를 가져올만한 것인지 등 심리적 요인에 영향을 받는다. 이 때문에소비자의 구매를 유도하기 위해서는 다각도로 소비자 심리에 접근해야 한다.”
http://magazine.hankyung.com/apps/news?popup=1&nkey=2013112800939000381&mode=print_view
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야심찬 신제품이 시장서 실패하는 이유
“기업은 소비자들이 신제품의 새로운 효용에 매료될 것이라고 생각하지만 실제로 소비자들은 가격이 적절한지, 기존 소비 습관을 바꿀만한 것인지, 사회적행동의 변화를 가져올만한 것인지 등 심리적 요인에 영향을 받는다. 이 때문에소비자의 구매를 유도하기 위해서는 다각도로 소비자 심리에 접근해야 한다.”
http://magazine.hankyung.com/apps/news?popup=1&nkey=2013112800939000381&mode=print_view
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Back to Basic – Service History
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Back to Basic – Internet Users
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IoT Scenario
Source: OIC
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Consideration 2: Next Web Application ?
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Evolution of World Wide Web
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But , Web Technology for Small Connected Things ?
Half of connected devices will be small IoT devices(how we can bring those devices into the web ecosystem)
We need to consider these small devices
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Characteristics of Small Connected Thing
Connectivity Locally, Globally Wired, Wireless
Controllability One way, Two way Immediately, …
Interactivity Interaction ability – screen, sound, light …
Limitations Low Computing power Device capability Non-screen
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Traditional Web Architecture
WebResources
URI/IRI
RESTful
Web Connectivity
Presentation purpose(for human interaction)
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Simple WoT Architecture
WebResources
RESTful
Smalldevice
Smalldevice
What kind of request ?What kind of response ?Do we need to use HTML/CSS markup ? which kind of web client do we need ?
Web Connectivity
Control purpose(for automatize interaction)
Client/Server Client/Server
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Web Architecture for Non-screen Devices
Absence of Presentation Layer
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Conclusions
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JongHong Jeon ([email protected]) +82-42-860-5333
http://facebook.com/jonathan.jeonhttp://twitter.com/hollobit