Clarification:
A redundant market data feed exists to provide fault tolerance because it runs over UDP, which, among other things, doesn't guarantee delivery.
Notes:
Data bus widths are shown for illustration purposes only and are not to be taken literally.
Carl Cook's "Low Latency C++ for Fun and Profit" talk that I mentioned is here: https://youtu.be/BxfT9fiUsZ4
About the speaker:
Will Kohut is a Senior FPGA & ASIC Engineer. He's contributed to chip projects that are currently deployed within the NYSE. He is interested in the development of electronic trading platforms. He is a former founder and ex-NVIDIA engineer.
https://linkedin.com/in/kohutw
https://github.com/kohutw1