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Home Control Protocol for Smart Devices 2011. 10. Hojin Park (hjpark@etri.re.kr) WG!-N1505
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- 2 -- 2 - Contents Background I II Goal III Protocol Overview IV Conclusion
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- 3 -- 3 - Background Smart devices with open platform, such as smart phone, tablet PC, are being widely introduced act as a mobile platform of various applications linked with app stores to provide open market for 3rd party’s creative applications guarantee user’s opportunity to select and enjoy apps as they like Smart devices are recently emerging as a platform of home services to monitor & control home devices, share contents at home and out of home are becoming a main control device instead of the traditional fixed ‘wallpad’ in Korea
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- 4 -- 4 - Problems (1/2) Currently, multiple specifications for smart devices to monitor and control home network are being applied in the market Each house constructor applies its own proprietary and closed specifications As a result, the 3 rd party’s participations are blocked and users are locked in their manufacture’s solutions Home network manufactures suffer from repeated development of similar solutions
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- 5 -- 5 - Problems (2/2) Home network manufactures feel so burden to develop apps for fast evolving smart devices Various type of devices (smart phone, tablet PC, smart TV, smart car..), platform(iOS, Android, Bada, Windows 8…) They want clear functional separation between smart devices and home network so that 3 rd expert party take the app development for smart devices
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- 6 -- 6 - Goal Define a Service Architecture and Communication Protocol Specifications for apps on smart devices to collaborate with home network Service architecture to show how smart devices and home network interwork with each other at home and out of home Communication protocol specifications for smart devices to monitor & control home devices, to get community information services Set up Open Market for home apps 3rd party service providers can develop creative home apps independently User can freely buy & use the interested apps at app stores Reduce home network manufacture’s burden to get apps
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- 7 -- 7 - Service Architecture Smart Devices communicate with HMS(Home Management Server) User authentication, service message exchange HMS handles the messages for information and services of community domain User subscription, service menu, home picture, community information HMS relays the messages to home gateways for private home services Get home & Device status, Control home & device. Home gateways access home devices via the existing home protocols such as UPnP, KNX, Echonet, etc.
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- 8 -- 8 - Communication Protocols Define message interface between smart devices and home management system Data format XML Encryption of secure information Communication method http over TCP/IP Secure Communication based on PKI Authenticating a message sender & encrypting a message Support typical smart devices Smart Phone, Tablet PC, Smart TV Independent of smart device’s OS/platform iOS, Android, Bada, etc.
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- 9 -- 9 - Service Categories (1/2) Common Category Network Authentication Register Apartment Refresh Apartment Search Apartment Get Version of Client Get Picture of Home Client Login, Logout Get Service Menu Device Category Get All Devices Get Group Devices Get Device Information Get Device Status Control Device Notify Device Event
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- 10 - Service Categories (2/2) Home State Category Get Home State Monitor Home State Control Home State Home View Category Get Visitor List Get Visitor Information Get Camera List Get Camera Contents Community Information Category Get Meter Information (Electric, Cold/Hot Water, Gas, Heating Supply) Get Carbon Information Get Community Information List Get Community Information
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- 11 - Other Standards TR-069(DSL Forum) Configuration, Management for CPE(Gateway, Set-top box, etc) Has different functional scope from our specification which has purpose on service control UPnP, KNX, IGRS, ECHONET In-home oriented protocols Not fully considered interfacing with mobile devices at out-home Authentication, Security Not considered interfacing with community services
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- 12 - Conclusion We propose home control protocol for smart devices as a NWIP Service architecture to show how smart devices and home network interwork with each other at home and out of home Communication protocol specifications for smart devices to monitor & control home devices, to get community information Any ideas, comments and suggestions to improve the proposal will be welcome. Thank you!
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- 13 - Q & A
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