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Alibaba Cloud Developer
Alibaba Cloud Developer
May 31, 2022 · Backend Development

How RDMA‑Powered SMC‑R Transforms TCP Performance in Data Centers

This article explains why traditional Linux kernel TCP stacks struggle with high‑performance demands, introduces shared‑memory IPC and RDMA concepts, describes the SMC‑R hybrid protocol that transparently replaces TCP sockets, and outlines practical acceleration methods and community contributions.

Kernel Network StackRDMASMC-R
0 likes · 7 min read
How RDMA‑Powered SMC‑R Transforms TCP Performance in Data Centers
Open Source Linux
Open Source Linux
Nov 22, 2021 · Cloud Computing

How Alibaba’s SMC‑R Brings Zero‑Modification RDMA to Cloud Applications

This article explains the background, architecture, and performance of Alibaba Cloud's SMC‑R technology, which enables transparent, zero‑modification use of RDMA over standard socket interfaces, offering higher throughput and lower latency for cloud workloads while providing automatic fallback to TCP.

Alibaba CloudElastic RDMARDMA
0 likes · 11 min read
How Alibaba’s SMC‑R Brings Zero‑Modification RDMA to Cloud Applications