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IoTivity: Open Source OIC Implementation for IoT Connectivity

IoTivity is an open-source reference implementation of the OIC standard specifications, offering a wide array of features including discovery & connectivity, resource management, and protocol plugin support. Supported by the Open Interconnect Consortium, its goal is to establish a new standard for wired and wireless device connectivity to the Internet.

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IoTivity: Open Source OIC Implementation for IoT Connectivity

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  1. IoTivity

  2. IoTivity • An open source reference implementation of the OIC standard specifications • Linux Foundation Collaborative Project • Supported by Open Interconnect Consortium(OIC) • Goal • A new standard by which billions of wired and wireless devices connect to each other and to the Internet

  3. IoTivity Features • Base • Discovery & Connectivity • Resource Management • Services • Soft(Virtual) Sensor Manager • Protocol Plugin Manager • Things Manager • Notification Manager(Resource Offloading) • Control Manager(Smart Home Protocol) • Target: Generic Linux, Tizen, Yocto, Android • Source code is managed in Gerrit review server

  4. IoTivity SW Stack • IoTivity Services • Soft Sensor, Protocol Plugin, Things, Notification, Control Managers • Resource API • based on OIC Resource Model • Interface between IoTivity serviceandbase • IoTivity Base • Abstract connectivity methods toResource API • IoTivity baseis included inservice processandapplication process as a library

  5. IoTivity SW Stack: Resource API • Interface between service/app and base • Support for constrained devices • Provide only C SDK, use only CoAP-UDP/IP protocol • ex. Arduino

  6. OIC Resource Model • Collection – Resource – Property/Attribute

  7. OIC Resource Model • Behaviors on Resource Model • Finding a resource • Querying, setting and observing resource state

  8. IoTivity Base Flow • Registering a Resource • Given a service running on port 5683 in a device at IP address 192.168.1.1, • If the application registers a resource with a URI path "/light/1", • The resulting fully qualified URI "oc://192.168.1.1:5683/light/1"

  9. IoTivity Base Flow • Finding a resource • returns all resources of given type on the network service

  10. IoTivity Base Flow • Querying resource state (GET)

  11. IoTivity Base Flow • Setting resource state (PUT)

  12. IoTivity Base Flow • Observing resource state

  13. Service: Protocol Plug-in Manager • Provides mechanism to represent non-OIC protocols within the OIC framework • MQTT is supported as a protocol plug-in

  14. Service: Soft Sensor Manager • Receive data from various sensors • Query-based sensor data request

  15. Service: Things Manager • Group creation and finding appropriate resources in network

  16. Control Manager • Discover controlee devices • Control controlee with Resource API • Subscription/notification functionality • for monitoring the device operations or state changes • Runs both as client and server

  17. IoTivity and Tizen • IoTivity is now ported on Tizen 2.3 • IoTivity will be merged to Tizen • Tizen Communications Core API will provide IoTivitiy functions. • As a part of Tizen Communications Core API • Some IoTivity services have already been integrated: • SoftSensor Manager IoTivitiy Service • Soft sensor functionality • Notification Manager IoTivity Service • Notification functionality

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