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Real-Time Publish-Subscribe (RTPS)

RTPS is new application layer protocol targeted to real-time communication area, which is build on the top of standard UDP stack. Since there are many TCP/IP stack implementations under many operating systems and RTPS protocol does not have any other special HW/SW requirements, it should be easily ported to many HW/SW target platforms. Because it uses only UDP protocol, it retains control of timing and reliability.

RTPS is designed to run on an unreliable transport mechanism, such as UDP/IP. The protocols implement reliability in the transfer of issues and state.

RTPS takes advantage of the multicast capabilities of the transport mechanism, where one message from a sender can reach multiple receivers.

RTPS is designed to promote determinism of the underlying communication mechanism. The protocol also provides an open trade-off between determinism and reliability