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Mastering Internet of Things by Peter Waher

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Understanding the conceptual model

The control data model in XMPP is very simple. Each device just consists of a set of control parameters. When we introduce nodes in later chapters and allow our devices to be divided into nodes, we can allow each controllable node to have its own set of control parameters:

Figure 2. Conceptual model of control parameters in XMPP

As with sensor data, there are different kinds of control parameters that can be represented in this model. They all share the common parameters presented in Figure 2, but represent the corresponding control value differently:

Representation

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