Signals and Threads
State Machine Replication, and Why You Should Care with Doug Patti
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Show notes
Doug Patti is a developer in Jane Street’s Client-Facing Tech team, where he works on a system called Concord that undergirds Jane Street’s client offerings. In this episode, Doug and Ron discuss how Concord, which has state-machine replication as its core abstraction, helps Jane Street achieve the reliability, scalability, and speed that the client business demands. They’ll also discuss Doug’s involvement in building a successor system called Aria, which is designed to deliver those same benefits to a much wider audience.
You can find the transcript for this episode on our website.
Some links to topics that came up in the discussion:
Jane Street’s client-facing trading platforms
A Signals and Threads episode on market data and multicast which discusses some of the history of state-machine replication in the markets.
The FIX protocol
UDP multicast
Reliable multicast
Kafka
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