Baidu Intelligent Cloud Tech Hub

Nov 10, 2025 · Cloud Computing

How Polar‑TCP Breaks Kernel Network Bottlenecks for Million‑IOPS Cloud Services

This article explains how traditional kernel network stacks struggle with modern cloud data‑center workloads and introduces Baidu Intelligent Cloud's Polar solution—Polar‑TCP and Polar‑RDMA—which combine user‑space DPDK drivers, a lightweight TCP stack, and an industrial‑grade RPC framework to achieve near‑RDMA performance while preserving ecosystem compatibility.