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Alibaba Cloud Observability
Alibaba Cloud Observability
Mar 30, 2026 · Mobile Development

Why Your Android App’s Network Requests Stall and How RUM Reveals the Fix

The article explains how mobile network performance issues—especially long connection‑pool wait times—cause slow page loads in Android apps, demonstrates how to interpret Alibaba Cloud RUM’s Resource event metrics and timing data, walks through a real‑world case study with detailed stage‑by‑stage analysis, and provides concrete diagnostic steps and optimization recommendations for OkHttp connection‑pool configuration and other common bottlenecks.

AndroidConnection PoolMobile Development
0 likes · 16 min read
Why Your Android App’s Network Requests Stall and How RUM Reveals the Fix
Java Tech Enthusiast
Java Tech Enthusiast
Mar 24, 2026 · Industry Insights

Unlock Hidden Wi‑Fi 6E/7 Features to Boost Speed and Reduce Latency

Many users buy high‑end Wi‑Fi 6E or Wi‑Fi 7 routers only to experience slow video buffering and poor multi‑device performance because five next‑generation Wi‑Fi functions are disabled by default, and this guide explains why they’re turned off and how to enable them safely for up to 100% speed gains and 20‑50 ms latency reduction.

MLOMU-MIMOOFDMA
0 likes · 12 min read
Unlock Hidden Wi‑Fi 6E/7 Features to Boost Speed and Reduce Latency
Alibaba Cloud Native
Alibaba Cloud Native
Mar 24, 2026 · Mobile Development

Why Your Android App Is Slow: Uncovering Hidden Network Bottlenecks with RUM

This article explains how mobile network diversity, device fragmentation, and limited visibility make performance troubleshooting hard, then introduces Alibaba Cloud RUM's Resource event model, walks through its attribute and metric fields, demonstrates a real‑world Android case study with step‑by‑step timing analysis, and provides concrete diagnosis and optimization guidelines for connection‑pool, DNS, SSL, and TTFB issues.

AndroidOkHttpPerformance Monitoring
0 likes · 18 min read
Why Your Android App Is Slow: Uncovering Hidden Network Bottlenecks with RUM
Raymond Ops
Raymond Ops
Jan 8, 2026 · Operations

Boost Linux Network Performance: Proven Tips to Increase Bandwidth & Reduce Latency

This article provides a comprehensive guide to Linux network performance tuning, covering key metrics, practical commands for adjusting TCP parameters, congestion control, kernel optimizations, hardware choices, zero‑copy techniques, load balancing, and essential monitoring tools to achieve higher bandwidth and lower latency.

LatencyLinuxTCP Tuning
0 likes · 11 min read
Boost Linux Network Performance: Proven Tips to Increase Bandwidth & Reduce Latency
IT Services Circle
IT Services Circle
Dec 18, 2025 · Fundamentals

Which Public DNS Is Faster in China? 114.114.114.114 vs Google 8.8.8.8

This article compares the Chinese public DNS service 114.114.114.114 with Google’s 8.8.8.8 across five dimensions—query speed, stability, content‑filtering policy, privacy protection, and network compatibility—to help users choose the most suitable resolver for mainland China or overseas use.

114DNSChinaDNS
0 likes · 7 min read
Which Public DNS Is Faster in China? 114.114.114.114 vs Google 8.8.8.8
Liangxu Linux
Liangxu Linux
Oct 19, 2025 · Operations

Boost Linux Server Throughput: Practical TCP/IP Stack Tuning Guide

This article presents a comprehensive, step‑by‑step guide for Linux network performance optimization, covering real‑world issues, sysctl parameter tweaks for TCP and IP stacks, queue and interrupt tuning, high‑concurrency strategies, monitoring scripts, a detailed e‑commerce case study, best‑practice recommendations, and safety precautions.

BBRLinuxTCP Tuning
0 likes · 13 min read
Boost Linux Server Throughput: Practical TCP/IP Stack Tuning Guide
Liangxu Linux
Liangxu Linux
Oct 19, 2025 · Operations

Boost Linux Network Performance: Proven Techniques to Increase Bandwidth and Reduce Latency

This article provides a comprehensive guide to Linux network performance tuning, covering key metrics, TCP window adjustments, Fast Open, congestion control algorithms, kernel parameter optimizations, zero‑copy transmission, NIC bonding, connection limits, and essential monitoring tools to achieve higher bandwidth and lower latency.

Latency ReductionLinuxTCP Tuning
0 likes · 10 min read
Boost Linux Network Performance: Proven Techniques to Increase Bandwidth and Reduce Latency
Liangxu Linux
Liangxu Linux
Sep 16, 2025 · Operations

Boost Linux Network Performance: Practical TCP/IP Stack Tuning Guide

This article presents a comprehensive, step‑by‑step guide for Linux network performance optimization, covering real‑world issues, TCP and IP stack parameter tweaks, queue and interrupt tuning, high‑concurrency scenarios, monitoring scripts, a detailed e‑commerce case study, best‑practice recommendations, and common pitfalls.

LinuxOperationsTCP Tuning
0 likes · 13 min read
Boost Linux Network Performance: Practical TCP/IP Stack Tuning Guide
Raymond Ops
Raymond Ops
Aug 30, 2025 · Operations

Boosting Internet App Quality: How CDNs Work and Why They Matter

This article explains key internet application quality metrics such as service success rate, latency, and playback smoothness, examines common deployment models, and provides a detailed overview of Content Delivery Networks—including their architecture, operation processes, content injection methods, request scheduling, and distribution strategies—to help improve performance and reliability.

CDNContent DeliveryInternet Quality
0 likes · 11 min read
Boosting Internet App Quality: How CDNs Work and Why They Matter
MaGe Linux Operations
MaGe Linux Operations
Aug 6, 2025 · Operations

Master Linux Network Performance: Practical TCP/IP Stack Tuning Guide

This comprehensive guide explains why network performance becomes a bottleneck in high‑traffic environments and provides step‑by‑step Linux TCP/IP and IP stack parameter optimizations, high‑concurrency tuning, monitoring scripts, and real‑world e‑commerce case results to dramatically improve throughput and latency.

TCP/IP Tuninghigh concurrencynetwork performance
0 likes · 14 min read
Master Linux Network Performance: Practical TCP/IP Stack Tuning Guide
MaGe Linux Operations
MaGe Linux Operations
Aug 4, 2025 · Operations

Boost K8s Node Network Performance by 30% with Linux Kernel Tuning

This article explains how fine‑tuning Linux kernel parameters—such as TCP connection queues, buffer sizes, conntrack limits, interrupt affinity, and container network settings—can improve Kubernetes node network throughput by over 30% in high‑concurrency microservice environments, with real‑world examples and verification scripts.

Kubernetesconntracknetwork performance
0 likes · 11 min read
Boost K8s Node Network Performance by 30% with Linux Kernel Tuning
Software Development Quality
Software Development Quality
Jul 24, 2025 · Mobile Development

Essential Mobile App Performance Metrics and Benchmarks

This guide outlines comprehensive performance indicators for Android and iOS apps—including startup time, page load speed, responsiveness, resource consumption, stability, network efficiency, interaction quality, background task handling, installation, compatibility, security, and low‑end device adaptation—providing industry‑standard thresholds for each metric.

AndroidStartup TimeUX Metrics
0 likes · 9 min read
Essential Mobile App Performance Metrics and Benchmarks
Architect
Architect
Jun 10, 2025 · Operations

How Many TCP Connections Can a Server Really Handle? Limits and Tuning

This article explains the practical limits on how many TCP connections a Linux server or client can support, covering file‑descriptor parameters, memory consumption per socket, kernel tuning examples, and scaling calculations for large‑scale long‑connection services.

LinuxSystem TuningTCP
0 likes · 15 min read
How Many TCP Connections Can a Server Really Handle? Limits and Tuning
Liangxu Linux
Liangxu Linux
Mar 13, 2025 · Fundamentals

How Zero‑Copy Techniques Supercharge Network I/O Performance

This article explains why traditional I/O interfaces rely on data copying, demonstrates the hidden overhead of read/write in a network server, and introduces zero‑copy methods such as mmap, sendfile, DMA Gather Copy, and splice to dramatically reduce copies and context switches for faster I/O.

IO optimizationLinuxZero Copy
0 likes · 12 min read
How Zero‑Copy Techniques Supercharge Network I/O Performance
ITPUB
ITPUB
Jan 12, 2025 · Operations

Why a TLS Handshake Can Saturate 100Mbps Uplink and How to Cut Bandwidth by 70%

A high‑concurrency data‑collection service quickly filled a 100 Mbps uplink because each GET request incurred a 1.68 KB TLS handshake, but switching to plain HTTP or enabling Keep‑Alive can dramatically reduce per‑request size and server load, saving up to 70% bandwidth.

HTTPSKeep-AliveTLS
0 likes · 5 min read
Why a TLS Handshake Can Saturate 100Mbps Uplink and How to Cut Bandwidth by 70%
Tencent Architect
Tencent Architect
Dec 4, 2024 · Fundamentals

How AutoRec Cuts Live‑Streaming Stalls by Over 11% with Smarter Packet Recovery

The paper “Toward Timeliness‑Enhanced Loss Recovery for Large‑Scale Live Streaming” introduces AutoRec, an on‑off‑mode‑aware packet‑loss recovery mechanism implemented on QUIC that reduces average stall frequency by 11.4% and duration by 5.2% without client‑side changes, and validates its effectiveness in both test‑bed and real‑world CDN deployments.

AutoRecCDNQUIC
0 likes · 12 min read
How AutoRec Cuts Live‑Streaming Stalls by Over 11% with Smarter Packet Recovery
Architect's Guide
Architect's Guide
Nov 21, 2024 · Operations

dperf: A DPDK‑Based 100Gbps Network Performance and Load Testing Tool

dperf is an open‑source DPDK‑based network performance and load testing tool that can generate tens of millions of HTTP connections per second, achieve hundreds of Gbps throughput, and provides detailed statistics, with usage instructions, performance benchmarks, and configuration steps for testing environments.

DPDKHTTP benchmarkingLoad Testing
0 likes · 9 min read
dperf: A DPDK‑Based 100Gbps Network Performance and Load Testing Tool
Baidu Intelligent Cloud Tech Hub
Baidu Intelligent Cloud Tech Hub
Jul 3, 2024 · Operations

How to Eliminate Network Hash Collisions in Large‑Model Training

This article examines the impact of GPU communication bottlenecks on large‑model training, analyzes hash‑collision issues in high‑performance networks, and presents three practical solutions—including increasing RDMA streams, affinity‑aware scheduling, and dynamic load balancing—to boost effective network bandwidth up to 95%.

Hash CollisionRDMAdynamic load balancing
0 likes · 11 min read
How to Eliminate Network Hash Collisions in Large‑Model Training
Liangxu Linux
Liangxu Linux
Jun 17, 2024 · Fundamentals

Understanding the Four Key Network Performance Metrics: Bandwidth, Latency, Jitter, and Packet Loss

The article explains the four essential network performance indicators—bandwidth, latency, jitter, and packet loss—defining each term, describing how they are measured, illustrating their impact with examples, and clarifying related concepts such as bits versus bytes, processing, queueing, transmission, and propagation delays.

LatencyPacket LossThroughput
0 likes · 7 min read
Understanding the Four Key Network Performance Metrics: Bandwidth, Latency, Jitter, and Packet Loss
Architects' Tech Alliance
Architects' Tech Alliance
Jan 28, 2024 · Industry Insights

How DPDK Revolutionizes High‑Performance Packet Processing on Commodity Hardware

DPDK enables low‑cost commodity servers to achieve high‑throughput, low‑latency packet processing by bypassing the kernel, offering flexible processing models, supporting user‑space networking stacks, and being adopted across telecom, cloud, and edge environments despite challenges such as debugging and CPU usage.

DPDKLinuxcloud networking
0 likes · 9 min read
How DPDK Revolutionizes High‑Performance Packet Processing on Commodity Hardware
Open Source Linux
Open Source Linux
Aug 30, 2023 · Fundamentals

How PCIe Configuration Impacts Network Performance: A Practical Guide

This article explains how PCIe width, speed, Max Payload Size, and Max Read Request affect network adapter performance, shows how to verify and adjust these settings with lspci and setpci commands, and provides formulas for calculating the resulting PCIe bandwidth limits.

Hardware ConfigurationLinuxPCIe
0 likes · 8 min read
How PCIe Configuration Impacts Network Performance: A Practical Guide
Java High-Performance Architecture
Java High-Performance Architecture
Aug 11, 2023 · Operations

Unlock 10M+ HTTP Connections per Second: dperf’s DPDK‑Powered Performance

dperf, an open‑source Baidu tool built on DPDK, delivers ultra‑high network performance—supporting millions of HTTP connections per second, hundreds of Gbps throughput, and detailed statistics—making it ideal for load‑balancer, cloud VM, NIC, and CPU network testing, with step‑by‑step deployment instructions.

DPDKHTTP benchmarkingHigh Throughput
0 likes · 7 min read
Unlock 10M+ HTTP Connections per Second: dperf’s DPDK‑Powered Performance
Deepin Linux
Deepin Linux
Jul 26, 2023 · Operations

Comprehensive Guide to OVS‑DPDK, Lagopus, MoonGen, FastClick, OpenFastPath, and Related High‑Performance Networking Tools

This extensive tutorial covers the principles, installation steps, configuration details, and code examples for OVS‑DPDK virtual switching, Lagopus, MoonGen packet generation, FastClick click‑based processing, OpenFastPath, Pktgen‑DPDK, MTCP, Butterfly VM networking, OpenNet, NetBricks, F‑Stack, ThunderX NFV, DPVS, Vhost‑user networking, OpenNFP, VCL, libmoon, and a practical DPDK training curriculum, providing developers with a complete reference for building high‑performance network functions.

Packet GenerationVirtual Switchnetwork performance
0 likes · 68 min read
Comprehensive Guide to OVS‑DPDK, Lagopus, MoonGen, FastClick, OpenFastPath, and Related High‑Performance Networking Tools
Tencent Cloud Middleware
Tencent Cloud Middleware
Jul 20, 2023 · Operations

Why CKafka Cross‑Region Sync Stalled at 64KB/s: TCP Window Scaling & Kernel Tuning

This article details a real‑world investigation of severe latency in CKafka cross‑region data synchronization, tracing the issue from high message backlog through network bandwidth tests, kernel parameter adjustments, and finally uncovering a TCP window‑scaling failure caused by SYN‑cookie protection and missing timestamp options.

CKafkaCross-Region SyncKafka
0 likes · 15 min read
Why CKafka Cross‑Region Sync Stalled at 64KB/s: TCP Window Scaling & Kernel Tuning
AI Cyberspace
AI Cyberspace
May 19, 2023 · Cloud Computing

Mastering OpenStack Neutron SR‑IOV: Boost Network Performance with VLAN & NUMA

This guide explains the performance limitations of Neutron OVS networking, introduces SR‑IOV as a high‑performance I/O virtualization solution, and provides step‑by‑step configuration for enabling SR‑IOV agents, mapping physical networks, creating VLAN and flat networks, handling NUMA affinity, security groups, and bonding, with detailed command examples and XML snippets.

NUMANeutronOVS
0 likes · 27 min read
Mastering OpenStack Neutron SR‑IOV: Boost Network Performance with VLAN & NUMA
Tencent Architect
Tencent Architect
May 16, 2023 · Fundamentals

Optimizing Network Latency in TencentOS: Kernel SoftIRQ and ksoftirqd Tuning

This article details a systematic investigation and multi‑stage optimization of TencentOS network latency, uncovering kernel soft‑interrupt bottlenecks, proposing and upstreaming patches to net_rx_action, RPS handling, and ksoftirqd scheduling, ultimately reducing handshake failures by over 80% while sharing practical insights for Linux kernel developers.

Linux kernelksoftirqdnetwork performance
0 likes · 15 min read
Optimizing Network Latency in TencentOS: Kernel SoftIRQ and ksoftirqd Tuning
Open Source Linux
Open Source Linux
Apr 20, 2023 · Fundamentals

Why TCP Window Full Slows Your Transfers and How to Diagnose It

This article explains how TCP Window Full warnings indicate a full receiver window, how to interpret Wireshark's Expert Information, locate the relevant packets, calculate bytes in flight, and use graphs to diagnose and verify the impact on transfer speed.

Bytes in FlightTCPThroughput Analysis
0 likes · 18 min read
Why TCP Window Full Slows Your Transfers and How to Diagnose It
Liangxu Linux
Liangxu Linux
Apr 13, 2023 · Fundamentals

Why TCP Window Full Slows Your Transfer and How to Diagnose It with Wireshark

This article walks through a real‑world case of slow file copying between Beijing and Shanghai data centers, explains why Wireshark reports “TCP Window Full”, shows how to locate the relevant packets, calculate bytes‑in‑flight, and assess the impact on transfer speed using I/O graphs and window‑scaling analysis.

Bytes in FlightTCPTCP Window Full
0 likes · 18 min read
Why TCP Window Full Slows Your Transfer and How to Diagnose It with Wireshark
Liangxu Linux
Liangxu Linux
Apr 3, 2023 · Fundamentals

Mastering Linux NIC Packet Processing and Ring Buffer Optimization

This guide explains how a network interface card (NIC) receives packets, the role of DMA, interrupt handling, poll functions, and ring buffers, then details multi‑CPU ring buffer handling, key ethtool commands for statistics, buffer size, queue configuration, and hash‑based flow distribution.

LinuxNICRing Buffer
0 likes · 10 min read
Mastering Linux NIC Packet Processing and Ring Buffer Optimization
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Mar 13, 2023 · Cloud Computing

Alibaba Cloud Showcases Optical Network Innovations at OFC 2023

At the 48th Optical Fiber Conference (OFC) in March 2023, Alibaba Cloud presented a series of breakthrough research papers and keynote talks on open optical networking, multimode fiber performance, fast optical switching, and future data‑center interconnect architectures, highlighting its leadership in cloud‑native optical technologies.

OFC 2023Optical NetworksPhotonic Integration
0 likes · 7 min read
Alibaba Cloud Showcases Optical Network Innovations at OFC 2023
ByteDance SYS Tech
ByteDance SYS Tech
Feb 2, 2023 · Backend Development

Unlocking High‑Performance Packet Processing: Inside DPDK’s libgraph Framework

DPDK’s libgraph, inspired by VPP’s vector packet processing, replaces traditional scalar packet handling with a graph‑based pipeline that improves i‑cache locality, reduces pointer copies, and enables flexible, high‑throughput networking across multiple CPUs and NICs, while introducing trade‑offs such as memory safety risks.

DPDKlibgraphnetwork performance
0 likes · 16 min read
Unlocking High‑Performance Packet Processing: Inside DPDK’s libgraph Framework
Architects' Tech Alliance
Architects' Tech Alliance
Jan 17, 2023 · Backend Development

DPDK Technical Overview: Architecture, Core Libraries, and Performance Optimizations

This article provides a comprehensive overview of DPDK, detailing its basic and optimization technologies, architectural components such as the Environment Abstraction Layer, core libraries, platform modules, poll‑mode drivers, hugepage memory management, and CPU‑affinity techniques that together enable high‑performance packet processing in NFV and SDN environments.

CPU affinityDPDKnetwork performance
0 likes · 8 min read
DPDK Technical Overview: Architecture, Core Libraries, and Performance Optimizations
ByteDance SYS Tech
ByteDance SYS Tech
Nov 1, 2022 · Operations

How eBPF Can Cut Container Network Latency by Up to 82%

Using eBPF to bypass traditional bridge, netfilter, and routing steps, this article demonstrates how container network packet forwarding can be accelerated, reducing receive and transmit latency by around 40‑82%, with detailed perf‑ftrace analysis, code examples, and performance comparisons of three forwarding modes.

Linux kernelcontainer networkingeBPF
0 likes · 14 min read
How eBPF Can Cut Container Network Latency by Up to 82%
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Sep 23, 2022 · Industry Insights

How Alibaba’s µFAB and Solar Redefine Predictable High‑Performance Data Center Networks

This article analyzes Alibaba Cloud’s µFAB and Solar research papers from SIGCOMM 2022, explaining why predictable high‑performance networks are needed, how the two designs achieve bandwidth and latency guarantees through network transparency and host‑network co‑ordination, and presenting theoretical and experimental results that demonstrate significant performance gains.

Solarcloud infrastructuredata center
0 likes · 13 min read
How Alibaba’s µFAB and Solar Redefine Predictable High‑Performance Data Center Networks
Open Source Linux
Open Source Linux
Sep 13, 2022 · Fundamentals

Why Wi‑Fi 7 Matters: Speed, Latency, and the Future of Wireless

This article explains why Wi‑Fi 7 is needed, outlines its release timeline, compares it with Wi‑Fi 6, details its new technical features such as wider bandwidth, Multi‑RU, 4096‑QAM, Multi‑Link and enhanced MIMO, and highlights the key application scenarios that will benefit from its higher throughput and lower latency.

Technology StandardsWi-Fi 7network performance
0 likes · 8 min read
Why Wi‑Fi 7 Matters: Speed, Latency, and the Future of Wireless
Architects' Tech Alliance
Architects' Tech Alliance
Sep 4, 2022 · Fundamentals

Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies

This article examines the RoCE protocol and its use in high‑performance computing, describing its low‑latency advantages, congestion‑control mechanisms, performance comparisons with InfiniBand, practical deployment issues, and real‑world case studies such as Slingshot and CESM/GROMACS benchmarks.

HPCRDMARoCE
0 likes · 18 min read
Applying RoCE (RDMA over Converged Ethernet) to High‑Performance Computing: Benefits, Challenges, and Case Studies
IT Architects Alliance
IT Architects Alliance
Aug 21, 2022 · Operations

How DPDK Boosts High‑Performance Packet Processing: Architecture and Core Techniques

This article explains DPDK’s open‑source data‑plane framework, detailing its architecture, core libraries, platform modules, poll‑mode drivers, huge‑page memory management, polling technique, and CPU‑affinity strategies that together eliminate kernel bottlenecks and dramatically improve packet‑forwarding performance.

CPU affinityDPDKNFV
0 likes · 9 min read
How DPDK Boosts High‑Performance Packet Processing: Architecture and Core Techniques
iQIYI Technical Product Team
iQIYI Technical Product Team
Jul 22, 2022 · Information Security

HTTPS Request Optimization Strategies for Mobile Video Streaming

To achieve sub‑second start‑up for mobile video streaming, the iQIYI overseas project applies layered HTTPS optimizations—including DNS and certificate caching, ECDHE/X25519 key exchange, false start, lightweight cipher suites, ECDSA certificates, OCSP stapling, and session‑ID/ticket reuse—while transitioning toward TLS 1.3 0‑RTT and HTTP/3 QUIC for further latency reduction.

HTTPSMobile StreamingOCSP stapling
0 likes · 10 min read
HTTPS Request Optimization Strategies for Mobile Video Streaming
Alibaba Terminal Technology
Alibaba Terminal Technology
Jun 16, 2022 · Backend Development

Why QUIC and HTTP/3 Are Transforming Mobile Network Performance

This article explains the recent standardization of HTTP/3, Alibaba's XQUIC implementation, optimal scenarios for QUIC, its user‑space transport advantages, performance gains in mobile e‑commerce, and practical solutions for high‑performance UDP handling on the server side.

QUICUDP optimizationXQUIC
0 likes · 11 min read
Why QUIC and HTTP/3 Are Transforming Mobile Network Performance
DaTaobao Tech
DaTaobao Tech
Jun 15, 2022 · Fundamentals

Choosing QUIC as a TCP Replacement: Scenarios, Principles, and XQUIC Experience

QUIC replaces TCP when long, lossy or wireless‑induced jitter dominates, offering multi‑stream, 0‑RTT, user‑space transport; Alibaba’s XQUIC library demonstrates 15‑20% latency cuts, 26% throughput gains via XDP‑based UDP bypass, and outlines a four‑stage adoption path from business value to open‑source leadership.

HTTP/3QUICUDP optimization
0 likes · 11 min read
Choosing QUIC as a TCP Replacement: Scenarios, Principles, and XQUIC Experience
Cloud Native Technology Community
Cloud Native Technology Community
Mar 29, 2022 · Cloud Native

Can eBPF Replace Netfilter? Boosting Kubernetes Network Performance

This article examines the performance limitations of Kubernetes pod, service, and network‑policy layers built on the kernel Netfilter framework, explores eBPF‑based alternatives such as tc‑ebpf and Cilium, describes a Terway‑with‑eBPF implementation, and presents benchmark results showing significant latency and scalability improvements.

CNIService MeshTerway
0 likes · 13 min read
Can eBPF Replace Netfilter? Boosting Kubernetes Network Performance
Ctrip Technology
Ctrip Technology
Mar 17, 2022 · Cloud Native

High‑Performance Layer‑4 Software Load Balancer TDLB Based on DPVS and DPDK

The article describes how Trip.com built a high‑performance, software‑based layer‑4 load balancer (TDLB) using DPVS and DPDK, detailing its lock‑free session handling, user‑IP pass‑through, asynchronous logging, cluster session synchronization, resource isolation, configuration management via etcd/operator, health‑check strategies, and multi‑dimensional monitoring.

DPDKDPVSKubernetes
0 likes · 13 min read
High‑Performance Layer‑4 Software Load Balancer TDLB Based on DPVS and DPDK
Programmer DD
Programmer DD
Feb 11, 2022 · Operations

How SSL Offloading Boosts Performance and Simplifies Traffic Management

This article explains what SSL offloading is, why it can improve website performance by reducing TLS overhead, outlines its advantages, and compares the two main implementation methods—SSL termination and SSL bridging—while highlighting when to consider using it.

SSL OffloadingTLSload balancing
0 likes · 8 min read
How SSL Offloading Boosts Performance and Simplifies Traffic Management
IT Architects Alliance
IT Architects Alliance
Jan 26, 2022 · Industry Insights

Why NVMe‑over‑RoCE Is the Future of All‑Flash Data Center Networks

The article explains how the rise of all‑flash data centers has driven the adoption of NVMe storage protocols, compares NVMe‑over‑FC, TCP, and RoCE, highlights RoCE’s performance and reliability advantages, and details Huawei’s NoF+ solution that enhances network performance, reliability, and ease of use for modern storage networks.

Data Center StorageHuaweiNVMe over Fabrics
0 likes · 11 min read
Why NVMe‑over‑RoCE Is the Future of All‑Flash Data Center Networks
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
Alibaba Cloud Native
Alibaba Cloud Native
Oct 10, 2021 · Cloud Native

How to Detect Service and Workload Anomalies in Kubernetes with Advanced Monitoring

This article explains the common pain points of locating anomalies in Kubernetes environments and presents a multi‑layer monitoring framework—trace, metrics, events, and alerts—along with best‑practice scenarios such as network performance, DNS issues, full‑link stress testing, external MySQL access, and multi‑tenant architectures.

DNSKubernetesMetrics
0 likes · 20 min read
How to Detect Service and Workload Anomalies in Kubernetes with Advanced Monitoring
Refining Core Development Skills
Refining Core Development Skills
Aug 9, 2021 · Backend Development

Analyzing TCP Handshake Anomalies: Port Exhaustion, Connection Queue Overflow, and Performance Mitigation

This article examines common TCP handshake anomalies in backend systems, detailing how client port exhaustion and server-side connection queue overflows cause packet loss and latency spikes, while providing kernel-level insights and practical configuration strategies to optimize network performance and ensure reliable service availability.

Linux kernelSystem TuningTCP handshake
0 likes · 14 min read
Analyzing TCP Handshake Anomalies: Port Exhaustion, Connection Queue Overflow, and Performance Mitigation
Alibaba Cloud Developer
Alibaba Cloud Developer
May 31, 2021 · Fundamentals

Mastering Server Performance Testing: Insights from 3 Years at Alibaba Cloud

This article shares three years of experience building an automated performance‑testing platform for Alibaba Cloud Elastic Compute, covering what performance testing is, how to design comprehensive tests for CPU, memory, storage, network and OS, and the essential skills engineers need to become true performance architects.

CPU analysisPerformance Testingautomation
0 likes · 10 min read
Mastering Server Performance Testing: Insights from 3 Years at Alibaba Cloud
Architect's Journey
Architect's Journey
Apr 15, 2021 · Operations

What Seven Days of Testing Reveal About TCP Memory Overhead

After a week-long series of experiments measuring TCP connections in various states—including ESTABLISH, client‑to‑server, server‑to‑client, and non‑ESTABLISH scenarios—the author quantifies per‑connection memory usage and shows how modern kernels reclaim buffers and reduce overhead, especially for TIME_WAIT.

LinuxTCPkernel
0 likes · 4 min read
What Seven Days of Testing Reveal About TCP Memory Overhead
Tencent Cloud Developer
Tencent Cloud Developer
Mar 15, 2021 · Fundamentals

Understanding QUIC: Transport‑Layer Implementation of HTTP/3 and Its Key Features

QUIC, a UDP‑based transport protocol that merges TCP reliability, UDP speed, and TLS security, underpins HTTP/3 by eliminating TCP’s three‑way handshake and head‑of‑line blocking, offering connection migration, 0‑RTT latency, customizable congestion control, fully encrypted packets, and is already being deployed in services such as Tencent Cloud CDN.

HTTP/3QUICTransport Protocol
0 likes · 17 min read
Understanding QUIC: Transport‑Layer Implementation of HTTP/3 and Its Key Features
Alibaba Cloud Developer
Alibaba Cloud Developer
Jan 20, 2021 · Cloud Computing

How Network Latency Drives Cloud Architecture Choices—from 5G to Gaming

This article explains the concept of latency, compares human and machine reaction times, breaks down cloud network latency components, quantifies the latency requirements of various telecom and cloud‑based applications—including gaming, video, industrial IoT and 5G—and outlines how different deployment architectures and measurement tools can be used to meet those requirements.

5GLatencynetwork performance
0 likes · 16 min read
How Network Latency Drives Cloud Architecture Choices—from 5G to Gaming
Programmer DD
Programmer DD
Jan 18, 2021 · Fundamentals

Why HTTP/3 Is the Next Leap for the Web: From TCP to QUIC

This article traces the evolution of the HTTP protocol from its early days through HTTP/1.0, 1.1, SPDY, HTTP/2, and finally to HTTP/3, explaining how QUIC over UDP addresses TCP's latency and security limitations while also highlighting remaining challenges.

HTTP/3QUICTCP
0 likes · 15 min read
Why HTTP/3 Is the Next Leap for the Web: From TCP to QUIC
MaGe Linux Operations
MaGe Linux Operations
Dec 2, 2020 · Fundamentals

Why HTTP/3 Matters: From TCP Roots to QUIC’s Future

This article traces the evolution of HTTP from its 1991 origins through HTTP/1.0, 1.1, HTTP/2, and finally HTTP/3, explaining how QUIC over UDP addresses TCP’s latency and security limitations while also highlighting remaining challenges.

HTTP/3QUICTCP
0 likes · 12 min read
Why HTTP/3 Matters: From TCP Roots to QUIC’s Future
Ops Development Stories
Ops Development Stories
Nov 11, 2020 · Backend Development

Unlocking DPDK Performance: Key Insights and Optimization Techniques

This article summarizes essential concepts and practical optimization strategies for DPDK, covering architecture fundamentals, x86 performance analysis, virtualization overhead, NFV forwarding bottlenecks, huge‑page usage, polling modes, CPU affinity, and I/O virtualization techniques to achieve high‑throughput, low‑latency packet processing.

CPU affinityDPDKHuge Pages
0 likes · 30 min read
Unlocking DPDK Performance: Key Insights and Optimization Techniques
Liangxu Linux
Liangxu Linux
Oct 1, 2020 · Operations

Boost Linux High‑Concurrency Performance with Essential Kernel Tweaks

This guide explains how to configure Linux system limits, kernel TCP parameters, and I/O event mechanisms to enable a single process to handle a large number of simultaneous connections, improving server throughput and stability under high‑concurrency workloads.

Kernel TuningLinuxhigh concurrency
0 likes · 13 min read
Boost Linux High‑Concurrency Performance with Essential Kernel Tweaks
Alibaba Cloud Native
Alibaba Cloud Native
Apr 16, 2020 · Cloud Native

How Alibaba Cloud Designs High‑Performance Cloud‑Native Container Networks with Terway

This article reviews the SIG Cloud‑Provider‑Alibaba webinar, explains Kubernetes container networking fundamentals, details Alibaba Cloud's high‑performance CNI implementation using Terway with exclusive and shared ENI modes, and shows how eBPF, AutoPath DNS and resource‑pooling improve scalability and latency.

CNICloud NativeKubernetes
0 likes · 19 min read
How Alibaba Cloud Designs High‑Performance Cloud‑Native Container Networks with Terway
UCloud Tech
UCloud Tech
Apr 2, 2020 · Operations

How Flowtable Hardware Offload Boosted Linux Netfilter Performance by Up to 8×

This article details the development, testing, and patch contributions for Netfilter and Mellanox flowtable hardware offload, showing how offloading conntrack and NAT functions dramatically improves bandwidth and packet‑per‑second metrics while exposing remaining challenges such as neighbor handling and port mangling.

Linux kernelNATflowtable
0 likes · 15 min read
How Flowtable Hardware Offload Boosted Linux Netfilter Performance by Up to 8×
Liangxu Linux
Liangxu Linux
Mar 1, 2020 · Fundamentals

Why TCP Falters in Weak Networks: Congestion Control, Handshake & Retransmission

The article explains why TCP performance degrades in high‑loss, high‑latency environments, analyzing the impact of congestion‑control algorithms, the three‑way handshake overhead, and the retransmission strategy, and then outlines modern alternatives and optimizations to mitigate these issues.

Three-way handshakecongestion controlnetwork performance
0 likes · 14 min read
Why TCP Falters in Weak Networks: Congestion Control, Handshake & Retransmission
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 19, 2019 · Databases

How Network Bandwidth Affects MySQL Performance

This article examines how network bandwidth, protocol compression, and SSL encryption impact MySQL Group Replication performance by running sysbench benchmarks on 1 Gb and 10 Gb networks, revealing bandwidth limits, CPU overhead, and scalability issues.

BenchmarkingSSLcompression
0 likes · 6 min read
How Network Bandwidth Affects MySQL Performance
Baidu App Technology
Baidu App Technology
Feb 15, 2019 · Mobile Development

Connection Optimization Techniques in Baidu App: TLS and TCP Enhancements

The Baidu App reduces connection latency by cutting TLS and TCP round‑trips through session resumption, False Start, pre‑connect, backup and composite connections, and automatic rebuilds, achieving 12‑16 % faster text and image loads and modest success‑rate gains across Android and iOS.

AndroidConnection OptimizationTCP
0 likes · 15 min read
Connection Optimization Techniques in Baidu App: TLS and TCP Enhancements
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Apr 25, 2018 · Operations

Mastering C10K: Modern Techniques to Scale Server Concurrency

This article reviews the historical C10K challenge, explains IO model improvements like epoll, kqueue and IOCP, and details practical Linux performance optimizations such as CPU and memory affinity, RSS/RPS/RFS/XPS, IRQ handling, kernel tuning, and hardware utilization for high‑concurrency servers.

C10KCPU affinityIO Multiplexing
0 likes · 21 min read
Mastering C10K: Modern Techniques to Scale Server Concurrency
Meitu Technology
Meitu Technology
Dec 1, 2017 · Mobile Development

Meitu DNS Optimization Practice: LocalDNS vs HTTP DNS and Non-Intrusive SDK Implementation

Meitu improves mobile app performance by combining HTTP DNS for critical domains with fallback LocalDNS, employing lazy cache updates and a non‑intrusive SDK that injects custom resolution via Java reflection and native ELF redirection, resulting in roughly 100 ms latency reduction and fewer unknown‑host errors.

AndroidDNS OptimizationELF hooking
0 likes · 14 min read
Meitu DNS Optimization Practice: LocalDNS vs HTTP DNS and Non-Intrusive SDK Implementation
High Availability Architecture
High Availability Architecture
Dec 7, 2016 · Mobile Development

Optimizing Mobile Image Uploads: The “Fish Fin” Adaptive Transfer Case Study

This article presents a detailed case study of the “Fish Fin” adaptive file‑transfer algorithm developed by Tencent’s Mobile Quality Center to dramatically improve image‑upload speed, success rate, and traffic efficiency on Android and iOS apps across varying mobile network conditions.

AndroidMobile Optimizationadaptive transfer
0 likes · 32 min read
Optimizing Mobile Image Uploads: The “Fish Fin” Adaptive Transfer Case Study
Qunar Tech Salon
Qunar Tech Salon
Jul 19, 2016 · Fundamentals

High‑Performance Networking in Google Chrome: Architecture and Optimizations

The article explains how Google Chrome’s multi‑process architecture, asynchronous network stack, predictive optimizations such as DNS pre‑resolution, TCP pre‑connect, resource pre‑fetch, caching strategies, and mobile adaptations work together to reduce latency and deliver faster, more reliable web experiences.

ChromeDNS Pre‑resolutionMulti‑process Architecture
0 likes · 36 min read
High‑Performance Networking in Google Chrome: Architecture and Optimizations
21CTO
21CTO
Dec 21, 2015 · Fundamentals

Why UDP Is Overtaking TCP: Speed, Stability, and Real‑World Wins

With broadband speeds soaring, UDP’s simplicity and low latency now outperform TCP in web browsing, streaming, gaming, and IoT, as real‑world tests from Akamai and Google show dramatically lower packet loss, faster connections, and reduced buffering, signaling a shift toward UDP‑centric networking.

QUICReal-time StreamingTCP
0 likes · 5 min read
Why UDP Is Overtaking TCP: Speed, Stability, and Real‑World Wins
21CTO
21CTO
Dec 9, 2015 · Mobile Development

How Ctrip Boosted Mobile App Network Performance: Real-World Practices and Lessons

Ctrip's wireless development team shares a comprehensive overview of their app's network architecture, common performance pitfalls such as DNS and TCP issues, and a series of practical optimizations—including DNS caching, quality detection, priority handling, retransmission, payload reduction, and protocol upgrades—that dramatically improved service success rates and reduced latency.

DNSMobile DevelopmentQUIC
0 likes · 16 min read
How Ctrip Boosted Mobile App Network Performance: Real-World Practices and Lessons
MaGe Linux Operations
MaGe Linux Operations
Aug 7, 2015 · Operations

How to Measure Network Bandwidth and Latency with qperf

This guide explains why bandwidth and latency matter for network servers, introduces the qperf tool, shows how to install and run it on Linux, and demonstrates advanced options for testing different message sizes and protocols to uncover performance bottlenecks.

Linux networkingbandwidth measurementlatency testing
0 likes · 7 min read
How to Measure Network Bandwidth and Latency with qperf
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Apr 30, 2015 · Operations

Understanding and Tuning Linux TCP Queue and Buffer Parameters

This article explains the Linux TCP connection‑establishment, packet‑receive, and packet‑send paths, categorizes related kernel parameters such as backlog, SYN‑cookie, ring buffers, and socket buffers, and provides practical commands and guidelines for optimizing network performance on servers.

Kernel ParametersLinuxQueue
0 likes · 13 min read
Understanding and Tuning Linux TCP Queue and Buffer Parameters