IoT Protocols

Nagasai PanchakarlaSensiBridge, iotlab.in

Agenda

• Introduction

• Constraints

• Protocol Stack

• Software

• Hardware

Introduction

Constraints

• Scalability

• Power Source

• Security and Privacy

• Processing Power

• Low Bandwidth

• Unreliable Links

• Usability

• Business Models

• Standards

• Costs

Wireless Technologies

Data Flow

Protocol Stack

• Contiki

• RIOT

• mbed

• TinyOS

• NanoRK, emb::6, Mantis, FreeRTOS..

Operating Systems

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

Application Protocols

Data Processing

• 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

Additional Slides

Additional Slides

Additional Slides

Additional Slides