LwM2M

• UDP-based CoAP (RFC7252) protocol
• improved latency
• improved resiliency
• smaller payloads
• more suitable for LTE-M/NB-IoT

• CoAP

  CoAP — Constrained Application Protocol, Universität Bremen

• LwM2M

  Lightweight M2M (LWM2M) OMA SpecWorks

• OMA LightweightM2M (LwM2M) v1.2

  http://openmobilealliance.org/wp/index.html (Feb 2019)

• OMA LightweightM2M (LwM2M) v1.1.1

  http://openmobilealliance.org/wp/index.html (Jun 2019)

• OMA LightweightM2M (LwM2M) v1.0.2

  http://openmobilealliance.org/wp/index.html (Aug 2018)

• RFC6347

  Datagram Transport Layer Security (DTLS) Version 1.2, IETF (January 2011)

• RFC7228

  Terminology for Constrained-Node Networks, IETF (May 2014)

• RFC7252

  The Constrained Application Protocol (CoAP) IETF (June 2014)

• RFC7641

  Observing Resources in the Constrained Application Protocol (CoAP) IETF (September 2015)

• RFC7959

  Block-Wise Transfers in the Constrained Application Protocol (CoAP) IETF (August 2016)

Clients

• ARM Mbed OS

  Pelion Device Management Client library https://github.com/ARMmbed/mbed-cloud-client (Apache-2.0)

• AVsystem Anjay

  C implementation of the client-side OMA LwM2M protocol https://github.com/AVSystem/Anjay (Apache-2.0)

• Zephyr

  Lightweight M2M (LWM2M) — Zephyr Project Documentation https://docs.zephyrproject.org/latest/reference/networking/lwm2m.html

Backends

Services

• ARM Pelion Device Management (formerly Treasure Data)

  https://www.pelion.com/iot-device-management/

• Bosch XDK Cloud

  https://developer.bosch.com/web/xdk/cloud

• Mainflux IoT Platform

  https://www.mainflux.com/cloud.html

Implementations

• Eclipse Leshan

  OMA Lightweight M2M server and client in Java https://www.eclipse.org/leshan/

• Telit IoT Platform

  https://www.telit.com/m2m-iot-products/iot-platforms/iot-platform-overview/ (Proprietary)

• mainflux/mainflux

  Industrial IoT Messaging and Device Management Platform https://github.com/mainflux/mainflux/ (Apache-2.0)

• zubairhamd/betwixt

  A LWM2M Client and Server implementation (For Go/Golang) https://github.com/zubairhamed/betwixt (Apache-2.0)

AWS Integration

• New – UDP Load Balancing for Network Load Balancer | AWS News Blog (20190624)

Related

• “Zephyr Now Supports OMA #LwM2M​ Protocol! What Can it Do for Me?” https://www.zephyrproject.org/presentations/zephyr-now-supports-oma-lwm2m-protocol-what-can-it-do-for-me/ (March 2018)
• Whitepaper: Managing Internet of Things Devices with the Lightweight Machine-to-Machine (LWM2M) Protocol | Mbed https://os.mbed.com/blog/entry/Whitepaper-Managing-Internet-of-Things/ (20161025)