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Architecture Digest
Architecture Digest
May 25, 2023 · Operations

Design and Implementation of a Multi‑Layer Load‑Balancing Platform (VGW)

This article explains how to build a reliable, high‑performance load‑balancing platform by analyzing basic reliability requirements, introducing multi‑layer (DNS, L4, L7) balancing, comparing Direct‑Route, Tunnel and FULLNAT modes, and describing the VGW architecture, health‑check, fault isolation, redundancy and DPDK‑based performance optimizations.

BGPDPDKFULLNAT
0 likes · 19 min read
Design and Implementation of a Multi‑Layer Load‑Balancing Platform (VGW)
Architecture Digest
Architecture Digest
Apr 3, 2023 · Operations

Design and Implementation of a Multi‑Layer Load‑Balancing Platform (VGW)

This article explains the need for reliable load balancing in large‑scale services, analyzes the problems of request distribution and fault isolation, and details the design of a three‑layer and four‑layer load‑balancing architecture—including DNS, Nginx, LVS, FULLNAT, and VGW—along with health‑check, redundancy, and performance optimization techniques.

DPDKFULLNATVGW
0 likes · 21 min read
Design and Implementation of a Multi‑Layer Load‑Balancing Platform (VGW)
vivo Internet Technology
vivo Internet Technology
Mar 22, 2023 · Operations

Design and Implementation of a Multi‑Layer Load Balancing Platform (VGW)

The article details how a multi‑layer load‑balancing platform (VGW) was designed—combining 7‑layer Nginx, 4‑layer LVS with FULLNAT, and 3‑layer network devices—to achieve business reliability, fault isolation via BGP‑announced VIPs, and high‑throughput performance using DPDK, while providing redundancy at server, link, and cluster levels.

4-layerBGPDPDK
0 likes · 20 min read
Design and Implementation of a Multi‑Layer Load Balancing Platform (VGW)