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IoT protocols for the Things

IoT Slam 2016 Internet of Things Conference Christian Legare
28 Apr 2016
14.45 - 15:15
Radiance Room

IoT protocols for the Things

Slide Deck

Session Abstract:

IoT Slam 2016 Internet of Things Conference Micrium LogoThe overriding goal of this session is to help prepare the design of an IoT system starting with the device, up to the Cloud and other components between them.

Embedded systems using sensors and connectivity are not new to embedded developers. Using these elements with multiple additional Internet technologies is. Adding these new system requirements to constrained devices is a challenge. In this presentation, we will spend more time looking at the impact of specific IoT protocols.

There many IP protocols competing to become IoT protocols. We can list:

  • HTTP and HTTPS
  • Websocket
  • COAP
  • MQTT
  • DDS

For each of these IP protocols, there are pros and cons:

o Network bandwidth required to use the protocol
o Processor resources needed to run the protocol
o Typical payload
o Typical latency (typical real-timeness of the protocol)
o Security requirements (firewall issues, others)
o State the SDO supporting the protocol and the standard number when available (ex. IETF RFC for COAP).

o Why and when not to use it

Use cases : some vertical markets examples

The presentation will go over these protocols and provide use cases for each one.
At the end of the presentation, a product developer should be able to take a decision on which protocol is best suited for his application.


Christian Lagare
CTO at Micrium

Christian Legare  joined Micrium in 2002, a leading provider of embedded software, including the uC/OS real time kernel. Prior to Micrium, he was in charge of an IP (Internet Protocol) certification program at the International Institute of Telecom (IIT) in Montreal, Canada. Throughout his 22 years in the telecom industry, he has served as an executive in large scale organizations as well as start-ups, mainly in the engineering and R&D fields. He also currently serve as vice president of the IPSO Alliance Board of Directors, where he provides guidance on the embedded systems industry to the IPSO Alliance to advance the mutual goals of making IoT a reality. He holds a Master’s degree in Electrical Engineering from the University of Sherbrooke, in Quebec, Canada.

Session Tags

Enterprise, Small / Medium Enterprise, OEM

Standards, Protocols, Interoperability, IoT device, Product design, Thing design

VP / Director, Middle Management, Technical, Business Line Management, Operations

Intermediate, Beginner



Retail, Manufacturing, Telecom, Banking, Financial Services, Insurance, Industrials, Healthcare, Consumer, Government / Public Sector, Pharmaceutical /

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