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Kernel Bypass

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Refining Core Development Skills
Refining Core Development Skills
Oct 24, 2022 · Fundamentals

Low‑Latency Network Architecture for High‑Frequency Trading

This article explains how high‑frequency trading firms achieve ultra‑low network latency by combining proximity deployment, dedicated links, microwave transmission, InfiniBand, low‑latency switches, kernel bypass, RDMA, TCP offload engines and FPGA acceleration, and summarizes the impact of each technique on overall request latency.

FPGAHigh-Frequency TradingInfiniBand
0 likes · 16 min read
Low‑Latency Network Architecture for High‑Frequency Trading
Architects' Tech Alliance
Architects' Tech Alliance
Sep 9, 2021 · Fundamentals

Understanding DMA and RDMA: Principles, Advantages, and Protocols

This article explains the concepts of Direct Memory Access (DMA) and Remote Direct Memory Access (RDMA), compares traditional data transfer with DMA-enabled paths, outlines RDMA's advantages such as zero-copy and kernel bypass, and reviews the main RDMA protocols, standards bodies, and hardware ecosystem.

DMAHigh Performance ComputingInfiniBand
0 likes · 14 min read
Understanding DMA and RDMA: Principles, Advantages, and Protocols
Tongcheng Travel Technology Center
Tongcheng Travel Technology Center
Sep 26, 2017 · Operations

Design and Implementation of a High‑Performance, High‑Reliability Four‑Layer Load Balancer (TVS) with FullNat Model

The article describes the motivation, architecture, FullNat forwarding process, high‑availability mechanisms, and performance‑optimizing techniques of TVS, a custom four‑layer load‑balancing platform built to overcome LVS limitations and meet the company’s demanding traffic and reliability requirements.

Cluster ArchitectureDPDKFULLNAT
0 likes · 11 min read
Design and Implementation of a High‑Performance, High‑Reliability Four‑Layer Load Balancer (TVS) with FullNat Model