Low-Latency

Stock Exchange Core (3/4): High Availability & Deterministic Fault Tolerance

How to survive hardware crashes without a database. We explore Event Sourcing, the Sequencer pattern, and UDP Multicast to achieve 99.999% uptime in a single-threaded architecture.

Stock Exchange Core (2/4): The Single-Threaded Matching Engine

Why multi-threading kills High-Frequency Trading systems. We explore lock-free concurrency, Mechanical Sympathy, and the LMAX Disruptor pattern to achieve sub-microsecond matching.

Stock Exchange Core (1/4): Anatomy of a Microsecond Order Book

Designing a high-frequency trading Order Book. We formalize memory layout, trace state execution, and achieve strict O(1) cancellations.