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Constrained Application Protocol - Wikipedia, the free encyclopedia

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Constrained Application Protocol

Specialized Internet application protocol

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Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.

Constrained Application Protocol (CoAP) is a software protocol intended to be used in very simple electronics devices that allows them to communicate interactively over the Internet. It is particularly targeted for small low power sensors, switches, valves and similar components that need to be controlled or supervised remotely, through standard Internet networks.