Introducing LCMSec, a secure, brokerless Publish/Subscribe protocol for IoT and automotive applications, enhancing LCM with low-latency.

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LCM is a peer-to-peer protocol for Publish/Subscribe messaging. It is based on the Data Distribution Service (DDS) protocol. DDS supports the brokerless Publish and Subscribe systems. LCM uses a preconfigured multicast group to broadcast messages to a pre-configured group.