Xiaohongshu Tech REDtech

Aug 13, 2025 · Backend Development

Boosting TLS Performance with Intel QAT and a Custom Keyless Architecture

This article details how XiaoHongShu's infrastructure team built a keyless architecture that offloads CPU‑intensive TLS private‑key signing to Intel QAT hardware, achieving massive HTTPS throughput gains, lower server costs, and valuable insights for similar high‑traffic TLS offload scenarios.