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Mastering Internet of Things by Peter Waher

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Understanding the LWM2M object model

LWM2M adds standardized application-layer functionality to your device. It does this by first dividing the device into objects. Each object can be instantiated into one or more object instances. Each object instance has a set of resources, which in turn can optionally contain a set of resource instances. The preceding image illustrates this relationship:

The LWM2M object model

Each object, object instance, resource, and resource instance are identified by non-negative integers. Each participant must know beforehand what these integers mean, what resources relate to such objects, and their corresponding ...

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