CS2106 in the News: How Linux Mastered Wall Street


Financial exchanges need their servers to execute trades as quickly as possible. Even an edge of a few milliseconds could, over the course of trading billions of dollars a day, provide a competitive edge.

One key attribute was the TCP/IP stack, the configuration of which determines how fast a message can be passed between two systems. Another appealing attribute has been a revamped scheduler, which ensures that a process — one performing a trade for example — isn’t interrupted once it has been started.

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