Alibaba Cloud Infrastructure

Jul 8, 2015 · Operations

Design and Implementation of High‑Concurrency (C10M) Load Balancing in Alibaba's AGW Middlebox

The article analyzes the challenges of scaling network devices to handle ten‑million concurrent connections (C10M) and describes Alibaba's AGW solution, which uses lock‑free data planes, hugepages, NUMA‑aware memory placement, and user‑space NIC drivers to achieve high‑performance four‑layer load balancing.