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 brokerless, topic-based Publish/Subscribe protocol designed for real-time systems that require high-throughput and lowlatency. Messages are transmitted using UDP and routed via IP-multicast to all other nodes within the multicast group. The binary-encoded LCM messages are then sent via multicast groups.