HFT Reference Architecture: Low-Latency Trading from Co-Location to Risk Gates

High-frequency trading is not a cloud analytics workloadit is a fight against nanosecond-scale jitter. This video walks through a reference architecture for an HFT platform, showing how latency is removed layer by layer from secured co-location near the exchange matching engine to SmartNICs, FPGA processing, kernel bypass, predictable software paths, inline risk controls, and post-trade capture. Key takeaways - Why HFT systems prioritize physical proximity over cloud-scale throughput - How market data moves through Layer 1 switching, SmartNICs, and kernel bypass - Where FPGAs can parse packets, update order books, and evaluate simple rules - Why isolated cores, polling loops, zero-allocation C or Rust, and lock-free buffers matter - How inline hardware risk gates block invalid orders without adding software hops - Why audit capture stays local on NVMe while cloud sync happens later If you found this useful, subscribe for more architecture breakdowns of low-latency and trading systems. HighFrequencyTrading HFT TradingSystems LowLatency SystemArchitecture FinTech

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