Linux Kernel Journey

Jun 16, 2025 · Cloud Computing

How Tencent’s TGW Achieves Seamless Fast Migration and Self‑Healing Fault Recovery

The paper presents Tencent’s TGW cloud gateway architecture, highlighting a 2.9× forwarding performance boost, lossless state migration within 4 seconds, sub‑minute fault detection, multi‑level fault‑tolerance mechanisms, and operational best practices that enable 100 % availability for massive online services.