DTLS

Datagram transport-layer securityRefers to whether or not IoT devices or data are protected from unauthorized viewers.. This is a security protocolAn agreed way of doing something. Like a convention, except that protocols tend to be related to processes. analogous to TLSTransport Layer Security. A very common internet security protocol. You can think of it as an updated version of SSL, although both are still used. Used with TCP on Layer 4 of the stack.. TLS is used with TCPTransmission Control Protocol. A more reliable way to set up connections that might have two-way traffic or need better guarantees that messages get delivered. Used on Layer 4 of the stack.; DTLS is used with UDPUser Datagram Protocol. A “best effort” (i.e., no guarantees) way to get a message from one place to another. Used on Layer 4 of the stack. (which sends so-called datagrams). Some version of this or TLS should be in IoTThe Internet of Things. A broad term covering many different applications where "things"  are interconnected through the internet. devices.