Published on January 11, 2016
1. IoT Protocols Nagasai Panchakarla SensiBridge, iotlab.in
2. Agenda • Introduction • Constraints • Protocol Stack • Software • Hardware
4. Constraints • Scalability • Power Source • Security and Privacy • Processing Power • Low Bandwidth • Unreliable Links • Usability • Business Models • Standards • Costs
5. Wireless Technologies
6. Data Flow
7. Protocol Stack
8. • Contiki • RIOT • mbed • TinyOS • NanoRK, emb::6, Mantis, FreeRTOS.. Operating Systems
9. Hardware Platforms Platform/Kit MCU+RF TI Sensortag 2 CC2650, 2.4GHz, BLE Openmote CC2538, 2.4 GHz CC1310EM CC1310, Sub 1 GHz EV-ADRN-WSN-1Z ADuCRF101, Sub 1GHz nRF51822 nRF51822, BLE EM35X-DEV EM3588, 2.4 GHz
10. Application Protocols
11. Data Processing
12. • Constraint Application Protocol • Accepted as RFC in July 2013 • RESTful web protocol • GET, POST, PUT, DELETE methods • URI support – coap://test.com:<port>/~temperature/sensor1.xml • < 10 bytes header • Libcoap, Contiki, Firefox CoAP plugin Additional Slides
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