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IoT: Building Arduino-Based Projects by Drew Van Duren, Brian Russell, Pradeeka Seneviratne, Peter Waher

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Understanding the CoAP gateway architecture

The CoapGateway architecture is simple and straightforward. The following illustration shows the available classes and their internal relationships. Classes that are colored off-white are defined in Clayster.Library.Abstract. The yellow/orange colored classes are defined in Clayster.Library.Meters and provide the basic functionality for the Topology data source. The blue classes are defined in Clayster.Library.Internet, and in our case, they provide us with communication capabilities. We have used these classes in our previous chapters. The green and pink classes are defined in our CoapGateway project. The color green represents structural nodes, while pink represents classes performing concrete work. ...

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