network gateway

360 Zhihui Cloud Developer

Dec 25, 2024 · Backend Development

Building a DPDK‑Based Domain Interception Gateway with TCP Hijacking

This article explains the design and implementation of a DPDK‑based domain interception gateway that analyzes HTTP/HTTPS traffic, uses TCP connection hijacking and DPDK’s KNI interface to block unregistered domains, detailing architecture, packet processing flow, and the trade‑offs of this approach.

DPDKDomain interceptionKNI

0 likes · 12 min read

Building a DPDK‑Based Domain Interception Gateway with TCP Hijacking

Efficient Ops

Feb 1, 2024 · Operations

How Tencent’s Public Gateway Overcomes Extreme Availability Challenges

The article details Tencent's Public Gateway (TGW) architecture, its forwarding and control planes, and presents two real‑world extreme failure cases— a NIC batch bug and a special IPv6 packet causing core dumps—along with the multi‑level disaster‑recovery design and mitigation strategies employed to ensure high availability.

Tencent Cloudavailabilitydisaster recovery

0 likes · 8 min read

How Tencent’s Public Gateway Overcomes Extreme Availability Challenges