network optimization

Tencent Tech

May 7, 2025 · Artificial Intelligence

How Tencent’s DeepEP Doubles GPU Communication Speed on RoCE Networks

Tencent engineers highlighted a massive speedup in DeepSeek’s open‑source DeepEP communication framework, revealing how their TRMT‑based optimizations—dynamic multi‑QP topology awareness, IBGDA‑driven CPU‑bypass, and atomic signaling—boost RoCE network throughput up to 300% and add another 30% gain when applied to InfiniBand, effectively doubling GPU communication performance for large AI models.

AI model trainingDeepEPGPU communication

0 likes · 8 min read

How Tencent’s DeepEP Doubles GPU Communication Speed on RoCE Networks

JD Tech Talk

Jan 2, 2025 · Cloud Computing

How to Deploy and Manage a Palworld Dedicated Server

This guide walks you through the reasons for running a Palworld dedicated server, the hardware and cloud requirements, network optimization, step‑by‑step deployment using JD Cloud—including installing DirectX, Visual C++, SteamCMD, configuring PalWorldSettings.ini, and managing server permissions and backups—so you can host a private, customizable game world for you and your friends.

Cloud HostingDedicated ServerGame Configuration

0 likes · 20 min read

How to Deploy and Manage a Palworld Dedicated Server

Cloud Native Technology Community

Dec 13, 2024 · Cloud Native

Optimizing Live Migration in Kube-OVN without Modifying KubeVirt Source Code

This article explains how Kube-OVN leverages OVN configuration parameters to enable non‑intrusive live migration for KubeVirt virtual machines, describes the underlying principle, provides usage instructions, and presents test results showing a drastic reduction in packet loss and migration downtime.

Kube-OVNKubevirtOVN

0 likes · 5 min read

Optimizing Live Migration in Kube-OVN without Modifying KubeVirt Source Code

macrozheng

Nov 5, 2024 · Information Security

How TLS Handshake Makes a Tiny GET Request Eat 1.68KB and How to Cut Bandwidth

After discovering that a simple GET request consumes 1.68 KB due to the TLS handshake, the article explains the handshake’s components, calculates the resulting bandwidth demand, and demonstrates how switching to HTTP or enabling Keep‑Alive can dramatically reduce traffic and server load in high‑concurrency scenarios.

BandwidthHTTPHTTPS

0 likes · 5 min read

How TLS Handshake Makes a Tiny GET Request Eat 1.68KB and How to Cut Bandwidth

High Availability Architecture

Nov 4, 2024 · Operations

Ctrip's Weak Network Identification Model: Design, Implementation, and Practice

This article details Ctrip's approach to weak network detection, covering background, data collection, processing, dynamic weighting algorithms, result output, deployment effects, and future plans, and provides practical code examples and threshold settings for improving mobile network performance.

Dynamic WeightingWeak Network Detectiondata collection

0 likes · 26 min read

Ctrip's Weak Network Identification Model: Design, Implementation, and Practice

Ctrip Technology

Nov 1, 2024 · Operations

Ctrip's Weak Network Detection Model: Design, Implementation, and Evaluation

This article details Ctrip's end‑to‑end weak‑network identification model, covering background, metric selection, data collection on iOS and Android, processing pipelines with dynamic weighting, weighted median calculations, success‑rate trends, threshold tuning, and deployment results across multiple platforms.

C++Data ProcessingRTT

0 likes · 25 min read

Ctrip's Weak Network Detection Model: Design, Implementation, and Evaluation

360 Zhihui Cloud Developer

Oct 17, 2024 · Cloud Computing

Achieving Zero‑Downtime VM Live Migration in 360 VPC Overlay

This article explains the network interruption issues of VM live migration in 360's VPC overlay (V1), analyzes the root causes, and presents a V2 redesign that eliminates downtime through pre‑loaded forwarding policies, traffic redirection, and streamlined component collaboration.

Cloud ComputingOverlay NetworkVM live migration

0 likes · 12 min read

Achieving Zero‑Downtime VM Live Migration in 360 VPC Overlay

Ctrip Technology

Jul 16, 2024 · Backend Development

Implementation and Optimization of the QUIC Protocol in the Trip.com App

This article details the deployment of QUIC in Trip.com’s mobile app, covering multi‑process architecture, containerized upgrades, service discovery, health monitoring, push‑pull resilience, full‑link tracing, congestion‑control algorithm redesign, and the resulting performance and reliability improvements achieved across global users.

Backend DevelopmentQUICcloud-native

0 likes · 25 min read

Implementation and Optimization of the QUIC Protocol in the Trip.com App

Baidu Geek Talk

Jul 10, 2024 · Artificial Intelligence

Baidu HPN Network: Solving Hash Collision for 95% Physical Network Bandwidth Efficiency in Large Model Training

Baidu's HPN network solves hash‑collision bottlenecks in large‑model training by combining TOR‑affinity scheduling with Dynamic Load Balancing on self‑developed switches, boosting physical network bandwidth efficiency to about 95%, improving throughput by roughly 10% and adding a further 1.5% training‑speed gain via the BCCL library.

Baidu CloudCollective CommunicationDLB Dynamic Load Balancing

0 likes · 12 min read

Baidu HPN Network: Solving Hash Collision for 95% Physical Network Bandwidth Efficiency in Large Model Training

OPPO Kernel Craftsman

Jun 28, 2024 · Fundamentals

Deep Dive into QUIC Protocol: Architecture, Features, and Optimization Strategies

The article thoroughly examines QUIC—the user‑space, UDP‑based transport underpinning HTTP/3—detailing its architecture, fast 0‑RTT handshakes, connection migration, stream‑level independence, congestion control, and flow‑control mechanisms, while also discussing implementation hurdles like 0‑RTT reliability, load‑balancer routing, UDP restrictions, CPU overhead, and real‑world performance gains reported by major Chinese tech firms.

0-RTT handshakeConnection MigrationHTTP/3

0 likes · 21 min read

Deep Dive into QUIC Protocol: Architecture, Features, and Optimization Strategies

Code Mala Tang

Jun 17, 2024 · Mobile Development

How to Achieve Instant H5 Page Load in WebView: Proven Optimization Techniques

This article explores common performance bottlenecks of WebView and H5 pages in mobile apps and presents a comprehensive set of optimization strategies—including preloading, rendering tweaks, network enhancements, and memory management—to achieve near‑instant page loads and improve overall user experience.

Mobile DevelopmentPreloadingRendering

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How to Achieve Instant H5 Page Load in WebView: Proven Optimization Techniques

DevOps Operations Practice

Jan 30, 2024 · Fundamentals

Understanding CDN Technology: Principles, Solutions, and Applications

This article explains how Content Delivery Networks (CDNs) address internet performance challenges by bringing content closer to users, detailing their working principles, key components such as GSLB and caching, and common application scenarios like website acceleration, file download, and streaming.

CDNCachingContent Delivery Network

0 likes · 7 min read

Understanding CDN Technology: Principles, Solutions, and Applications

php中文网 Courses

Dec 14, 2023 · Backend Development

Optimizing Network Communication in PHP: Buffering, GZIP Compression, HTTP Caching, and Asynchronous Requests

This article explains how PHP developers can improve network communication efficiency and overall application performance by using output buffering, GZIP compression, HTTP caching headers, and asynchronous curl_multi functions for concurrent requests.

HTTPPHPbackend

0 likes · 4 min read

Optimizing Network Communication in PHP: Buffering, GZIP Compression, HTTP Caching, and Asynchronous Requests

php中文网 Courses

Dec 11, 2023 · Backend Development

Optimizing Network Communication in PHP: Buffering, Gzip Compression, HTTP Caching, and Asynchronous Requests

This article explains how to boost PHP web application performance by using output buffering, gzip compression, HTTP caching headers, and asynchronous cURL requests, providing code examples for each optimization technique in real-world scenarios.

BufferingHTTP Cachingasynchronous

0 likes · 5 min read

Bilibili Tech

Dec 8, 2023 · Operations

Design and Implementation of Nickel: A High‑Performance Edge Four‑Layer Load Balancer Based on XDP

Nickel is a high‑performance, XDP‑based four‑layer edge load balancer that replaces Bilibili’s non‑clustered CDN architecture with a co‑deployed control plane and data plane, using hash‑based forwarding, dynamic health‑checks, and two‑hop routing to lower cost, improve load distribution, and eliminate dedicated load‑balancer machines.

CDNEdge ComputingXDP

0 likes · 15 min read

Design and Implementation of Nickel: A High‑Performance Edge Four‑Layer Load Balancer Based on XDP

DaTaobao Tech

Sep 25, 2023 · Backend Development

HTTP3/QUIC Upgrade and Performance Improvements in Taobao's Long‑Chain Network

Taobao migrated its long‑chain network from a private SlightSSL over HTTP/2 to a full HTTP3/QUIC stack built on the XQUIC library, adding unified TNET interfaces, UDP probing and fallback, which cut recommendation latency by up to 33 %, transaction latency 32 %, boosted upload speed 21 % and short‑video download 18 % while solving UDP port, load‑balancing and kernel memory challenges.

HTTP3QUICXQUIC

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HTTP3/QUIC Upgrade and Performance Improvements in Taobao's Long‑Chain Network

php中文网 Courses

Aug 10, 2023 · Backend Development

Optimizing Network Connections in PHP: Persistent HTTP, Connection Pools, and TCP/IP Long Connections

This article explains how to improve PHP high‑concurrency performance by using HTTP persistent connections with cURL, implementing connection pools via Swoole, and creating TCP/IP long connections with the socket extension, providing detailed code examples for each technique.

Backend DevelopmentConnection PoolHTTP Persistent Connection

0 likes · 5 min read

Optimizing Network Connections in PHP: Persistent HTTP, Connection Pools, and TCP/IP Long Connections

iQIYI Technical Product Team

Jul 21, 2023 · Mobile Development

Optimizing Video Playback Startup Experience on iQIYI Mobile App

iQIYI’s mobile app reduces video startup latency by preloading data, pre‑decoding frames, pre‑creating player instances, streamlining initialization, optimizing DNS and CDN selection, and employing device‑aware decoding strategies, achieving near‑zero launch times and superior user experience while planning further audio‑track and hardware collaborations.

Preloadingandroidmobile streaming

0 likes · 8 min read

Optimizing Video Playback Startup Experience on iQIYI Mobile App

DaTaobao Tech

May 8, 2023 · Mobile Development

Evolution of Taobao's Unified Mobile Network Library (AWCN)

The article traces the evolution of Taobao’s unified mobile network library AWCN, detailing its MobileSDN architecture across north‑bound and south‑bound layers, key techniques such as IP‑list scheduling, adaptive protocol selection, multi‑path request handling and vendor acceleration, the challenges faced, performance gains observed during high‑traffic events, and future plans for finer network sensing and intelligent scheduling.

HTTP/2SDNandroid

0 likes · 22 min read

Evolution of Taobao's Unified Mobile Network Library (AWCN)

Inke Technology

Apr 27, 2023 · Backend Development

Boosting Global Video Quality: How We Integrated QUIC into Our Client‑Server Architecture

This article details the background, design choices, and concrete implementation of integrating the QUIC protocol into both client and server components, describing multi‑channel management, load balancing, performance gains, and future optimization plans for improving network reliability in diverse overseas environments.

Client-Server ArchitectureMulti-ChannelQUIC

0 likes · 12 min read

Boosting Global Video Quality: How We Integrated QUIC into Our Client‑Server Architecture