Tagged articles
102 articles
Page 1 of 2
dbaplus Community
dbaplus Community
Apr 25, 2026 · Backend Development

From Zero to One: Complete Architecture Design for a Billion‑Scale Short‑Video System

This article dissects the end‑to‑end architecture of a billion‑scale short‑video platform, detailing layered design, core services such as upload, transcoding, recommendation, interaction, storage, and the key challenges of massive video storage, high‑concurrency streaming, low‑latency playback, and real‑time recommendation reliability.

MicroservicesStorage OptimizationSystem Architecture
0 likes · 19 min read
From Zero to One: Complete Architecture Design for a Billion‑Scale Short‑Video System
ITPUB
ITPUB
Feb 8, 2026 · Fundamentals

Why Chrome Sends Hundreds of 206 Requests for One MP4 and How FFmpeg Fixes It

An MP4 video with a misplaced moov box and poor interleaving caused Chrome to issue an initial three 206 requests followed by thousands of range‑jumping requests, inflating CDN traffic, while re‑encoding the file with FFmpeg faststart eliminated the excess requests and restored normal bandwidth usage.

ChromeFile InterleavingHTTP 206
0 likes · 14 min read
Why Chrome Sends Hundreds of 206 Requests for One MP4 and How FFmpeg Fixes It
Java Companion
Java Companion
Oct 31, 2025 · Backend Development

How to Stream Local Video with Spring Boot, FFmpeg, and ZLMediaKit

This guide walks through setting up ZLMediaKit in Docker, installing FFmpeg, adding a Spring Boot backend with configuration and service classes to launch and manage RTMP streams, and provides front‑end HTML/JavaScript for playing the live FLV or HLS streams.

FLVRTMPSpring Boot
0 likes · 15 min read
How to Stream Local Video with Spring Boot, FFmpeg, and ZLMediaKit
Dunmao Tech Hub
Dunmao Tech Hub
Oct 21, 2025 · Backend Development

How to Compile and Deploy ZLMediaKit for GB28181 Video Services

This guide walks you through installing prerequisites, cloning the ZLMediaKit source, compiling it on Linux, configuring it to work with WVP, and launching the server, plus troubleshooting tips and a Docker deployment alternative for GB28181 video integration.

GB28181LinuxVideo Streaming
0 likes · 7 min read
How to Compile and Deploy ZLMediaKit for GB28181 Video Services
21CTO
21CTO
Sep 23, 2025 · Big Data

How TikTok’s U.S. Takeover Highlights Massive Data Waste in Short‑Video Streaming

President Donald Trump announced a consortium led by Dell and Oracle aiming to acquire TikTok’s U.S. business, with Oracle’s cloud set to host all American traffic and data, while a recent SIGCOMM study reveals that current short‑video prefetching wastes over 40% of bandwidth, prompting a new QoE‑focused optimization framework.

QoETikTokVideo Streaming
0 likes · 5 min read
How TikTok’s U.S. Takeover Highlights Massive Data Waste in Short‑Video Streaming
Bitu Technology
Bitu Technology
Jan 15, 2025 · Operations

Refactoring Playback Error Reporting, Metrics, and Recovery in Tubi Web/OTT Player

The article details how Tubi's Web/OTT team restructured player error reporting, statistical metrics, and unified handling, introduced precise error‑tracking enums, defined new recovery strategies for device decoding, network, and cache issues, and validated their impact through extensive experiments that improved user experience and key business KPIs.

MetricsOTTOperations
0 likes · 14 min read
Refactoring Playback Error Reporting, Metrics, and Recovery in Tubi Web/OTT Player
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Dec 11, 2024 · Backend Development

How Simulcast Boosts WebRTC Video Quality and Scales Large Conferences

This article explains the Simulcast standard in WebRTC, compares it with transcoding and SVC, describes how an SFU rewrites RTP headers for seamless layer switching, outlines congestion detection using TWCC, and presents automated bandwidth allocation strategies to optimize video quality and reduce bandwidth in large‑scale meetings.

SFUSimulcastVideo Streaming
0 likes · 15 min read
How Simulcast Boosts WebRTC Video Quality and Scales Large Conferences
Linux Code Review Hub
Linux Code Review Hub
Dec 4, 2024 · Cloud Native

How Dahua and openEuler’s Kmesh‑bwm Cut Latency 50% and Double Container Density

Facing bandwidth contention when high‑volume video analytics compete with online services, Dahua partnered with the openEuler community to replace the tc htb limiter with an eBPF‑based Kmesh‑bwm solution that introduces lock‑free packet scheduling, directional monitoring and multi‑priority bandwidth guarantees, achieving over 50 % latency reduction, more than 50 % increase in container deployment density, and roughly 30 % overall resource savings.

KmeshQoSVideo Streaming
0 likes · 6 min read
How Dahua and openEuler’s Kmesh‑bwm Cut Latency 50% and Double Container Density
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Nov 20, 2024 · Mobile Development

How to Implement iOS Screen Sharing with ReplayKit: A Step‑by‑Step Guide

This article explains the background, evolution, and implementation steps of iOS screen sharing using Apple's ReplayKit framework, covering cross‑app sharing architecture, extension setup, data handling, UI controls, and key development considerations such as memory limits and inter‑process communication.

ReplayKitScreen SharingVideo Streaming
0 likes · 8 min read
How to Implement iOS Screen Sharing with ReplayKit: A Step‑by‑Step Guide
BirdNest Tech Talk
BirdNest Tech Talk
Nov 17, 2024 · Cloud Computing

How to Host 4K Video on Cloudflare R2 for Under $2 a Month

This article walks through the full process of delivering high‑quality 4K video at minimal cost by comparing storage providers, choosing Cloudflare R2 for its free outbound bandwidth, encoding with FFmpeg, packaging with HLS, uploading via rclone, and playing back with HLS.js or a custom web component.

Cost OptimizationVideo Streamingadaptive bitrate
0 likes · 18 min read
How to Host 4K Video on Cloudflare R2 for Under $2 a Month
Alibaba Cloud Developer
Alibaba Cloud Developer
Jun 17, 2024 · Backend Development

How We Re‑engineered a Massive Video Streaming Platform for Faster Iterations

Facing growing complexity in video streaming, the team overhauled a legacy codebase by redefining architecture, improving code quality, and boosting engineering efficiency through componentized micro‑services, static analysis, automated testing, and gradual rollout, ultimately achieving decoupled, fast‑iteration capabilities across the platform.

MicroservicesVideo Streamingarchitecture
0 likes · 15 min read
How We Re‑engineered a Massive Video Streaming Platform for Faster Iterations
DaTaobao Tech
DaTaobao Tech
Jun 14, 2024 · Backend Development

Large-Scale Refactoring of a Video Streaming Service: Architecture Redesign and Implementation

To tackle mounting complexity in a fast‑growing video streaming platform, the team executed a large‑scale refactor that introduced a vertical‑layered, horizontally modular architecture, enforced coding standards and ArchUnit guards, applied incremental safe refactoring and gray‑release monitoring, ultimately reducing core classes to seven, improving code quality and engineering efficiency.

MicroservicesVideo Streamingarchitecture
0 likes · 13 min read
Large-Scale Refactoring of a Video Streaming Service: Architecture Redesign and Implementation
iQIYI Technical Product Team
iQIYI Technical Product Team
May 24, 2024 · Operations

High Availability and Disaster Recovery Practices of iQIYI's Video Relay Service (VRS)

iQIYI’s Video Relay Service ensures uninterrupted video playback by employing a two‑region, three‑center hybrid cloud architecture, multi‑layer storage, cross‑AZ retry mechanisms, protective rate‑limiting and degradation paths, layered monitoring, and rigorous stress‑testing and chaos engineering to achieve high availability and disaster recovery.

Backend ArchitectureCloud NativeVideo Streaming
0 likes · 18 min read
High Availability and Disaster Recovery Practices of iQIYI's Video Relay Service (VRS)
vivo Internet Technology
vivo Internet Technology
Feb 21, 2024 · Big Data

Optimizing Playback Experience and Reducing Bandwidth Cost in Vivo Short Video Platform

At the 2023 Vivo Developer Conference, Cai Chuangye and Ma Yunjie detailed how Vivo short‑video improves playback by optimizing connections, chunked downloads, pre‑rendering and dynamic pre‑loading while cutting CDN bandwidth costs through low‑cost edge devices, neural‑network adaptive compression, and utilization governance, achieving lower latency, fewer failures and reduced bitrate, with plans to adopt H.266.

AICDNCost reduction
0 likes · 21 min read
Optimizing Playback Experience and Reducing Bandwidth Cost in Vivo Short Video Platform
Bilibili Tech
Bilibili Tech
Jan 19, 2024 · Operations

Optimizing Bandwidth Cost and User Experience in Bilibili's VOD Player through Intelligent Caching and Preloading Strategies

Bilibili’s VOD player cuts bandwidth waste and costs by up to 15% through an intelligent caching and pre‑loading system that evaluates network risk and user habits to size cache dynamically, reduces stalls by 20% in vertical mode, and is continuously refined via a multi‑layer monitoring framework.

BilibiliIntelligent CachingQoE
0 likes · 17 min read
Optimizing Bandwidth Cost and User Experience in Bilibili's VOD Player through Intelligent Caching and Preloading Strategies
360 Quality & Efficiency
360 Quality & Efficiency
Nov 3, 2023 · Backend Development

Automated Video Quality Detection and Multithreaded Optimization for Live Stream Transcoding

This article describes an automated workflow for capturing frames from live‑stream transcode outputs, using OpenCV and ffmpeg to perform black‑screen and artifact detection, integrating results via an API, storing images in S3, and applying a producer‑consumer multithreaded model to reduce detection latency by up to 42%.

OpenCVS3 storageVideo Streaming
0 likes · 10 min read
Automated Video Quality Detection and Multithreaded Optimization for Live Stream Transcoding
Volcano Engine Developer Services
Volcano Engine Developer Services
Sep 25, 2023 · Operations

How Player-Level Tweaks Can Slash Video On-Demand Costs by Up to 20%

This article explains how video on‑demand cost is dominated by CDN bandwidth, how player‑side optimizations—such as reducing cache waste, using dynamic buffering levels, smarter range requests, precise preloading, and resolution adjustments—can cut bandwidth by 8% and overall costs by 20% while preserving user experience.

AB testingCDNCost Optimization
0 likes · 17 min read
How Player-Level Tweaks Can Slash Video On-Demand Costs by Up to 20%
Bitu Technology
Bitu Technology
Aug 2, 2023 · Artificial Intelligence

Tubi's Recall Exploration: Embedding‑Based Candidate Generation for Scalable Video Recommendations

This article details Tubi's multi‑stage recommendation system, focusing on the recall phase and describing how popularity metrics, embedding averaging, per‑video nearest‑neighbors, hierarchical clustering, real‑time ranking, and context‑aware sampling are combined to efficiently generate personalized video candidates at scale.

EmbeddingRecommendation SystemsVideo Streaming
0 likes · 10 min read
Tubi's Recall Exploration: Embedding‑Based Candidate Generation for Scalable Video Recommendations
IT Services Circle
IT Services Circle
Jul 14, 2023 · Frontend Development

How Bilibili and Zhihu Achieve Fast Video Playback Using HTTP Range Requests and SourceBuffer

This article explains how video platforms like Bilibili and Zhihu use HTTP Range requests to fetch specific byte segments of a video and the browser's SourceBuffer API to dynamically append those fragments, enabling instant seeking and smooth playback without downloading the entire file.

HTTP RangeMedia Source ExtensionsSourceBuffer
0 likes · 7 min read
How Bilibili and Zhihu Achieve Fast Video Playback Using HTTP Range Requests and SourceBuffer
DaTaobao Tech
DaTaobao Tech
Jun 30, 2023 · Operations

How Perception‑Aware Congestion Control Boosts Real‑Time Video QoE by Up to 32%

The paper introduces PACC, a perception‑aware congestion‑control algorithm that leverages a CNN‑based video‑quality sensor to adjust bitrate based on user‑perceived delay and quality trends, achieving 6.8%‑32.4% QoE improvements over existing model‑based, hybrid, and RL‑based schemes in diverse network conditions.

CNNPACCQoE
0 likes · 16 min read
How Perception‑Aware Congestion Control Boosts Real‑Time Video QoE by Up to 32%
Huolala Tech
Huolala Tech
Apr 4, 2023 · Mobile Development

How Huolala Scaled a Cloud Real‑Device Platform for Mobile Testing

This article details Huolala's evolution from a simple wireless ADB setup to the sophisticated TianGong system, covering architecture, video streaming, input handling, large‑scale device pool management, and future plans for intelligent scheduling and iOS optimization.

AndroidVideo Streamingautomation
0 likes · 17 min read
How Huolala Scaled a Cloud Real‑Device Platform for Mobile Testing
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Jan 16, 2023 · Operations

Low‑Latency Video Streaming Optimizations for Douyin During the World Cup

This article details the end‑to‑end low‑latency video streaming architecture, measurement methods, and optimization techniques—including FLV‑2s, RTM, MiniSDP, buffer‑driven speed‑up, and CDN strategies—that Douyin's Volcano Engine video cloud employed to achieve sub‑2‑second latency and high QoE for World Cup live broadcasts.

FLVLow latencyQoE
0 likes · 21 min read
Low‑Latency Video Streaming Optimizations for Douyin During the World Cup
Hulu Beijing
Hulu Beijing
Nov 4, 2022 · Fundamentals

How HLS Powers Adaptive Streaming on Hulu & Disney+: A Deep Dive

This article explains the fundamentals of Apple's HTTP Live Streaming (HLS) protocol, covering how adaptive bitrate video is encoded into multiple renditions, organized via media and multivariant playlists, and how clients and servers coordinate playback in both on‑demand and live streaming scenarios.

Video Streamingadaptive streaminghls
0 likes · 21 min read
How HLS Powers Adaptive Streaming on Hulu & Disney+: A Deep Dive
360 Tech Engineering
360 Tech Engineering
Oct 26, 2022 · Backend Development

Lightweight Intelligent Monitoring Platform Architecture and Component Overview

This article details a lightweight intelligent monitoring platform built on the open‑source WVP framework, describing its modular architecture, edge‑computing workflow with KubeEdge, SIP registration process, real‑time streaming setup, core features, and technical innovations such as MongoDB adoption and flexible pod scheduling.

AIEdge ComputingKafka
0 likes · 9 min read
Lightweight Intelligent Monitoring Platform Architecture and Component Overview
360 Smart Cloud
360 Smart Cloud
Oct 19, 2022 · Backend Development

Lightweight Intelligent Monitoring Platform Architecture Based on WVP

The article introduces a lightweight intelligent monitoring platform built on the open‑source WVP framework, detailing its components, SIP‑based video streaming architecture, edge‑computing integration, AI services, and performance optimizations such as MongoDB adoption.

AIBackend ArchitectureEdge Computing
0 likes · 8 min read
Lightweight Intelligent Monitoring Platform Architecture Based on WVP
ITPUB
ITPUB
Aug 21, 2022 · Backend Development

How Bilibili Turned Academic ABR Research into a Mobile Playback Boost

This article examines Bilibili's end‑to‑end journey of adopting, evaluating, and extending academic adaptive bitrate (ABR) algorithms—such as THROUGHPUT, MPC, BOLA, and Pensieve—to improve mobile video QoE, detailing the shortcomings of traditional methods, the design of a real‑time QoE model, network preprocessing, intelligent resolution framework, model deployment, and user‑preference adaptations.

ABRBilibiliQoE
0 likes · 15 min read
How Bilibili Turned Academic ABR Research into a Mobile Playback Boost
Bilibili Tech
Bilibili Tech
Aug 19, 2022 · Backend Development

Bilibili's Engineering Practices for HLS (fMP4) Live Streaming

Bilibili migrated its massive live‑streaming infrastructure from RTMP/FLV to MPEG‑TS‑free HLS using fragmented MP4, designing clustered slicing, dynamic back‑source selection, 1‑second key‑frame segments, cache pre‑warming and replay playlists, thereby cutting start‑up latency, supporting modern codecs, DRM and future immersive audio features.

Backend ArchitectureCDNVideo Streaming
0 likes · 11 min read
Bilibili's Engineering Practices for HLS (fMP4) Live Streaming
Tencent Architect
Tencent Architect
Apr 8, 2022 · Fundamentals

How WebRTC Implements Video NACK: A Deep Dive into RTP Retransmission

This article provides a comprehensive walkthrough of WebRTC's video sender NACK implementation, covering the underlying ACK/NACK concepts, RFC4585 retransmission types, and the three-step process of storing RTP packets, handling RTCP NACK messages, and retransmitting lost media with priority handling.

NACKRTPVideo Streaming
0 likes · 5 min read
How WebRTC Implements Video NACK: A Deep Dive into RTP Retransmission
Tencent Architect
Tencent Architect
Mar 18, 2022 · Backend Development

Inside WebRTC’s Pacer: How It Smooths Video Transmission

This article explains the purpose and inner workings of WebRTC’s Pacer module, detailing how it prioritizes packets, schedules transmission timing, calculates data budgets, handles max pacing delay, and integrates with video encoding bitrate control to ensure smooth, low‑latency video streaming over varying network conditions.

PacerVideo StreamingWebRTC
0 likes · 9 min read
Inside WebRTC’s Pacer: How It Smooths Video Transmission
Huawei Cloud Developer Alliance
Huawei Cloud Developer Alliance
Mar 14, 2022 · Operations

How to Minimize Network Costs in Cloud Video Live Streaming via Smart Bandwidth Scheduling

This competition challenges participants to design algorithms that allocate client bandwidth demands to edge nodes under QoS and capacity constraints, aiming to minimize total network usage cost while meeting stable, smooth streaming experience, with scoring based on cost, runtime, and submission timing.

Video Streamingalgorithm competitionbandwidth scheduling
0 likes · 6 min read
How to Minimize Network Costs in Cloud Video Live Streaming via Smart Bandwidth Scheduling
ELab Team
ELab Team
Jan 6, 2022 · Frontend Development

Unlock Real-Time Audio‑Video with WebRTC: History, Features & Code Guide

WebRTC, the browser‑based real‑time communication standard, evolved from early VoIP acquisitions to a W3C‑approved protocol suite, offering plugin‑free audio/video streaming, a rich protocol stack, cross‑browser compatibility, and JavaScript APIs illustrated with detailed code examples for signaling, ICE, SDP, and peer connections.

Browser APIsICESDP
0 likes · 22 min read
Unlock Real-Time Audio‑Video with WebRTC: History, Features & Code Guide
360 Quality & Efficiency
360 Quality & Efficiency
Dec 24, 2021 · Mobile Development

Comparison of iOS Video Streaming Solutions for Remote Control

This article evaluates three iOS video streaming approaches—WebDriverAgent MJPEG, Apple ReplayKit, and QuickTime‑based QVH—by implementing prototypes, measuring latency, stability, and functionality, and presenting a detailed performance comparison to guide remote‑control applications.

QuickTimeReplayKitVideo Streaming
0 likes · 6 min read
Comparison of iOS Video Streaming Solutions for Remote Control
Alibaba Terminal Technology
Alibaba Terminal Technology
Dec 3, 2021 · Fundamentals

How XLINK’s QoE‑Driven Multi‑Path QUIC Transforms Video Streaming on Weak Networks

This article explains how Alibaba's XLINK multi‑path QUIC solution, built on a user‑space QUIC stack and QoE feedback, overcomes weak‑network challenges in video streaming by simultaneously using 5G/4G and Wi‑Fi, achieving lower latency, higher bandwidth utilization, and reduced traffic costs.

AlibabaMultipath QUICNetwork Transport
0 likes · 14 min read
How XLINK’s QoE‑Driven Multi‑Path QUIC Transforms Video Streaming on Weak Networks
Douyu Streaming
Douyu Streaming
Oct 16, 2021 · Fundamentals

Why DASH Is Poised to Become the Next Standard for Video Streaming

This article explains the fundamentals of MPEG‑DASH, covering its standard definition, MPD structure, segment formats, example XML, playback capabilities, live streaming support, and the advantages and drawbacks that make DASH a leading candidate for future video streaming solutions.

DASHMPDMPEG-DASH
0 likes · 12 min read
Why DASH Is Poised to Become the Next Standard for Video Streaming
Youku Technology
Youku Technology
Oct 14, 2021 · Operations

Low‑Latency HLS (LHLS) Solutions and Optimizations for Live Streaming

Youku’s engineering team introduced two Low‑Latency HLS solutions—an Apple‑based LHLS using HTTP/2 extensions and a community‑driven chunked‑transfer variant—while detailing latency sources in traditional HLS and presenting six protocol‑level optimizations that together reduce end‑to‑end live‑stream delay to under two seconds.

CDNLHLSVideo Streaming
0 likes · 13 min read
Low‑Latency HLS (LHLS) Solutions and Optimizations for Live Streaming
Youku Technology
Youku Technology
Sep 8, 2021 · Industry Insights

How Youku Engineers Accelerate Start‑up, Cut Stalls, and Stabilize Video Playback

This article examines Youku's technical team's systematic approach to improving video playback by tackling slow start‑up, error handling, network stalls, audio‑video sync, and overall stability through metric‑driven optimization, adaptive streaming protocols, device capability databases, and forward‑looking features like low latency and high‑frame‑rate streaming.

Low latencyPerformance MonitoringVideo Streaming
0 likes · 12 min read
How Youku Engineers Accelerate Start‑up, Cut Stalls, and Stabilize Video Playback
Tencent Cloud Developer
Tencent Cloud Developer
Sep 3, 2021 · Big Data

Design and Implementation of a Real-Time Video Live Streaming Analytics System Using Tencent Cloud Big Data Services

The article details a cloud‑native architecture on Tencent Cloud that uses CKafka, Oceanus (Flink), MySQL, HBase and a BI service to ingest live‑streaming logs, aggregate gift‑reward metrics in real time, store results, and display them on a continuously refreshed dashboard.

Business IntelligenceCloud ServicesVideo Streaming
0 likes · 15 min read
Design and Implementation of a Real-Time Video Live Streaming Analytics System Using Tencent Cloud Big Data Services
DataFunSummit
DataFunSummit
Aug 12, 2021 · Artificial Intelligence

Algorithmic Practices in Hulu’s Video Advertising Platform

This article explains how Hulu leverages machine learning and AI techniques such as ad targeting, inventory prediction, flow matching, conversion rate optimization, causal inference, and shared‑account detection to improve the efficiency, effectiveness, and revenue of its video advertising ecosystem.

AIAd TargetingAdvertising
0 likes · 14 min read
Algorithmic Practices in Hulu’s Video Advertising Platform
iQIYI Technical Product Team
iQIYI Technical Product Team
Jul 23, 2021 · Industry Insights

How iQIYI’s “Frame Qi Cinema” Restores True Visual Fidelity Across Devices

iQIYI’s “Frame Qi Cinema” standard tackles the gap between creators’ original visuals and consumer playback by using 4K ultra‑high resolution, HDR, high frame‑rate and immersive sound, applying tailored algorithms for movies, series, animation and variety shows to deliver authentic, high‑quality streaming on TV, PC and mobile.

4KHDRVideo Streaming
0 likes · 12 min read
How iQIYI’s “Frame Qi Cinema” Restores True Visual Fidelity Across Devices
Volcano Engine Developer Services
Volcano Engine Developer Services
Jul 7, 2021 · Operations

Achieving Near‑Zero First‑Frame Delay in Video On‑Demand

This article explains the end‑to‑end video‑on‑demand architecture, defines first‑frame latency, presents QoS/QoE metrics, and details practical optimizations—including pre‑rendering, node selection, decoder initialization and reuse, and player‑logic tweaks—that reduce first‑frame time to under 100 ms for a seamless user experience.

QoEVODVideo Streaming
0 likes · 19 min read
Achieving Near‑Zero First‑Frame Delay in Video On‑Demand
Volcano Engine Developer Services
Volcano Engine Developer Services
Jun 26, 2021 · Operations

How ByteDance Powers Billion‑User Video: RTC & Live Streaming Best Practices

The ByteDance Volcengine meetup showcased four expert talks covering RTC scalability for interactive entertainment, zero‑latency VOD optimization, cutting‑edge H.266 video codec development, and reliable live‑stream event practices, offering deep technical insights into powering billion‑user short‑video services.

ByteDanceVideo Streamingbest practices
0 likes · 4 min read
How ByteDance Powers Billion‑User Video: RTC & Live Streaming Best Practices
Kuaishou Tech
Kuaishou Tech
May 27, 2021 · Artificial Intelligence

Kuaishou’s Award‑Winning AI Research Projects and Their Industry Impact

Kuaishou’s R&D team has earned top national science and AI awards for its video transcoding and adaptive visual perception projects, which have been open‑sourced, adopted by major cloud CDN providers, and produced notable model‑compression research published at ICLR 2021, illustrating strong industry‑academic collaboration and contribution to China’s technology goals.

AIAcademic PublishingIndustry collaboration
0 likes · 5 min read
Kuaishou’s Award‑Winning AI Research Projects and Their Industry Impact
Architecture Talk
Architecture Talk
May 6, 2021 · Cloud Computing

How Netflix Scales Global Video Streaming with AWS and Microservices

This article examines Netflix's massive video‑streaming platform, detailing its migration to AWS, micro‑service architecture, client‑backend‑CDN components, playback flow, design goals such as high availability and low latency, trade‑offs, resilience techniques, and scalability mechanisms that support millions of users worldwide.

AWSMicroservicesNetflix architecture
0 likes · 22 min read
How Netflix Scales Global Video Streaming with AWS and Microservices
vivo Internet Technology
vivo Internet Technology
Dec 15, 2020 · Backend Development

Principles, Technologies, and Practical Solutions of Live Streaming – A Case Study of Vivo Product Launch

The article outlines core live‑streaming principles, workflow, and major protocols (RTMP, HLS, HTTP‑FLV), then examines Vivo’s product‑launch challenges—massive concurrency, QPS spikes, and content safety—and presents practical solutions such as multi‑level caching, circuit‑breaker degradation, token‑bucket rate limiting to ensure stable, high‑quality streaming.

Media ServerRTMPStreaming Protocols
0 likes · 19 min read
Principles, Technologies, and Practical Solutions of Live Streaming – A Case Study of Vivo Product Launch
NetEase Smart Enterprise Tech+
NetEase Smart Enterprise Tech+
Dec 9, 2020 · Operations

Mastering Video QoS: How FEC, Retransmission, and Jitter Buffer Combat Network Challenges

This article explains how modern video applications face packet loss, jitter, congestion, and latency, and how techniques such as Forward Error Correction, packet retransmission, jitter buffers, long‑term reference frames, size‑stream and SVC can be combined to deliver high‑quality, low‑delay audio‑video experiences over 5G networks.

FECNetwork LatencyQoS
0 likes · 11 min read
Mastering Video QoS: How FEC, Retransmission, and Jitter Buffer Combat Network Challenges
Amap Tech
Amap Tech
Oct 30, 2020 · Mobile Development

Video Streaming Solution for the ARC Car Cloud Control Platform

The ARC Car Cloud Control platform now streams the vehicle’s screen using Android’s Virtual Display and a C++‑based H.264 hardware encoder, sending raw video over a TCP socket to a server that adaptively adjusts bitrate and frame rate, while the web client decodes the fragmented MP4 via MSE, dramatically lowering CPU usage and latency on low‑end head‑units.

AndroidH.264Low latency
0 likes · 8 min read
Video Streaming Solution for the ARC Car Cloud Control Platform
21CTO
21CTO
Sep 7, 2020 · Databases

How Tencent’s Database Heroes Powered WeChat Red Packets, Honor of Kings, and Video Streaming

This article chronicles the evolution of Tencent's database technologies—from the early CKV and TcaplusDB systems that powered QQ Space and WeChat Red Packets, to the high‑performance TcaplusDB that supported Honor of Kings, and finally the AI‑driven DBbrain that keeps Tencent Video and cloud customers running smoothly under massive concurrent loads.

AIGamingTencent
0 likes · 40 min read
How Tencent’s Database Heroes Powered WeChat Red Packets, Honor of Kings, and Video Streaming
iQIYI Technical Product Team
iQIYI Technical Product Team
Aug 14, 2020 · Cloud Native

Edge Computing Platform IPES: Architecture, Components, and Application Scenarios at iQIYI

iQIYI’s IPES platform unifies cloud‑edge collaboration by managing millions of heterogeneous devices, deploying Docker, native and function‑as‑a‑service workloads, scheduling tasks, and providing logging, storage and messaging services, enabling edge video caching, live‑stream mirroring, conferencing and ad‑violation detection to cut latency and bandwidth costs while planning full Kubernetes compatibility.

Edge ComputingIPESMEC
0 likes · 16 min read
Edge Computing Platform IPES: Architecture, Components, and Application Scenarios at iQIYI
Youku Technology
Youku Technology
Aug 5, 2020 · Industry Insights

How Youku Secures Premium Membership Viewing: Technical Challenges Unveiled

In this technical live‑stream session, the speakers explore the rapid growth of paid video‑platform memberships, the demand for flawless viewing experiences, the specific engineering challenges involved, and the solutions Youku employs to guarantee premium member privileges.

Video StreamingYoukuindustry insights
0 likes · 3 min read
How Youku Secures Premium Membership Viewing: Technical Challenges Unveiled
Alibaba Cloud Developer
Alibaba Cloud Developer
Jun 4, 2020 · Cloud Computing

How PCDN Cuts Bandwidth Costs While Delivering HD Video at Scale

Alibaba’s entertainment engineers explain how their cloud‑edge P2P‑based PCDN architecture tackles the massive bandwidth demands of video streaming by leveraging multi‑tier node hierarchies, intelligent resource allocation, and adaptive download scheduling to deliver smooth HD playback while continuously reducing average bandwidth costs.

P2P CDNVideo Streamingbandwidth optimization
0 likes · 19 min read
How PCDN Cuts Bandwidth Costs While Delivering HD Video at Scale
Tencent Cloud Developer
Tencent Cloud Developer
Apr 2, 2020 · Industry Insights

How to Rapidly Deploy an Online Education Solution During Crises

The article analyzes the pandemic‑driven surge in online education, outlines the challenges faced by traditional offline institutions, compares live, small‑class, dual‑teacher, recorded and AI‑interactive formats, evaluates SaaS tool options, and details how cloud services—especially Tencent Cloud—can be leveraged to build scalable, cost‑effective teaching platforms.

AI educationSaaSTencent Cloud
0 likes · 17 min read
How to Rapidly Deploy an Online Education Solution During Crises
Youku Technology
Youku Technology
Mar 21, 2020 · Industry Insights

Inside Youku’s Comprehensive Quality Assurance System: Practices, Platforms, and Insights

This article outlines Youku’s end‑to‑end quality assurance framework, detailing how the company tackles fast product cycles, complex playback verification, and device fragmentation through a platform‑based, offline‑online system that boosts development efficiency and delivers reliable user experiences across its services.

Video Streamingindustry insightsplatform engineering
0 likes · 3 min read
Inside Youku’s Comprehensive Quality Assurance System: Practices, Platforms, and Insights
Tencent IMWeb Frontend Team
Tencent IMWeb Frontend Team
Mar 4, 2020 · Frontend Development

How Tencent Classroom’s Front‑End Team Survived Pandemic Traffic Surges

During the COVID‑19 pandemic, Tencent Classroom’s front‑end team faced unprecedented traffic spikes, forcing rapid decisions on domain stability, video streaming, data platforms, messaging, monitoring, and deployment pipelines, while sharing lessons on scaling, resilience, and collaborative development under extreme pressure.

DeploymentTencent ClassroomVideo Streaming
0 likes · 13 min read
How Tencent Classroom’s Front‑End Team Survived Pandemic Traffic Surges
Tencent Cloud Developer
Tencent Cloud Developer
Dec 27, 2019 · Cloud Computing

Tencent Classroom Video Migration to Tencent Cloud: Architecture, Implementation, and Lessons Learned

Tencent Classroom migrated roughly four million videos (about 1,500 TB) to Tencent Cloud in a two‑phase rollout that integrated cloud upload, transcoding, encrypted HLS playback with anti‑leech and DRM, added AI‑based content moderation, resolved SDK and multi‑region issues, and built a custom mini‑program player, ultimately boosting upload success rates, playback reliability, and security.

DRMHLS encryptionTencent Cloud
0 likes · 13 min read
Tencent Classroom Video Migration to Tencent Cloud: Architecture, Implementation, and Lessons Learned
Tencent Cloud Developer
Tencent Cloud Developer
Dec 25, 2019 · Cloud Computing

Tencent Classroom Video Cloud Migration: Overview, Implementation, and Continuous Optimization

By the end of 2019 Tencent Classroom migrated roughly 4 million videos (≈1,500 TB) to the cloud, adding H5 live and playback, boosting upload success from 92 % to 99 %, enabling HLS‑encrypted VOD, cutting transcoding time to 25 minutes, and implementing continuous reliability and monitoring optimizations.

Tencent ClassroomVideo Streamingcloud migration
0 likes · 7 min read
Tencent Classroom Video Cloud Migration: Overview, Implementation, and Continuous Optimization
iQIYI Technical Product Team
iQIYI Technical Product Team
Nov 15, 2019 · Operations

QTC: A Dynamic Network Simulation and Low‑Interference Packet Capture Solution for Mobile Video App Testing

QTC, iQIYI’s extended ATC tool combining a dual‑NIC workstation, wireless hotspot and Python‑based software, dynamically simulates static and changing network conditions while providing low‑interference automated packet capture, enabling rapid mobile video app testing across diverse scenarios and uncovering numerous bugs.

Packet CaptureQTCVideo Streaming
0 likes · 9 min read
QTC: A Dynamic Network Simulation and Low‑Interference Packet Capture Solution for Mobile Video App Testing
FangDuoduo UEDC
FangDuoduo UEDC
Oct 22, 2019 · Mobile Development

How Top Video Apps Warn Users About Data Usage: Design Insights

This article examines how major video, live‑streaming, and short‑video mobile apps design data‑usage prompts, comparing their approaches to informing users about traffic consumption and highlighting best practices for user‑friendly notifications.

UX designVideo Streamingapp notifications
0 likes · 3 min read
How Top Video Apps Warn Users About Data Usage: Design Insights
Youku Technology
Youku Technology
Sep 27, 2019 · Industry Insights

How Youku’s Narrowband HD 3.0 Cuts Bandwidth by 30% and Enables Ultra‑HD on Low‑End Devices

At the 2019 Cloudwise Entertainment Technology Forum, Youku unveiled Narrowband HD 3.0, a private video transmission protocol that reduces bandwidth by roughly 30% compared with its 2.0 predecessor, integrates cloud‑based AI rendering signals, and makes ultra‑high‑definition streaming feasible for ordinary mobile users and low‑cost devices in the upcoming 5G era.

5GAI renderingVideo Streaming
0 likes · 6 min read
How Youku’s Narrowband HD 3.0 Cuts Bandwidth by 30% and Enables Ultra‑HD on Low‑End Devices
DataFunTalk
DataFunTalk
Aug 19, 2019 · Artificial Intelligence

Algorithmic Practices in Hulu's Video Advertising System

This article details how Hulu leverages machine learning and AI techniques—including ad targeting, inventory prediction, conversion rate optimization, causal inference, and real‑time bidding—to improve ad efficiency, user experience, and revenue across its video streaming platform.

AIAd TargetingAdvertising
0 likes · 15 min read
Algorithmic Practices in Hulu's Video Advertising System
Youku Technology
Youku Technology
Aug 6, 2019 · Artificial Intelligence

Interview with Alibaba Senior Tech Expert Xin Shi on 5G, AI, and Ultra‑HD Video Technology at Youku

In a LiveVideoStack interview, Alibaba senior technologist Xin Shi explains how 5G‑enabled ultra‑HD, cross‑domain VR streaming, and stereoscopic vision will reshape Youku’s video pipeline—leveraging e‑commerce scalability, AI‑driven recommendation, cloud‑edge CDN scheduling, deep‑learning up‑scaling, and a result‑oriented engineering culture to deliver immersive, interactive experiences.

5GAICloud CDN
0 likes · 16 min read
Interview with Alibaba Senior Tech Expert Xin Shi on 5G, AI, and Ultra‑HD Video Technology at Youku
58 Tech
58 Tech
Jul 30, 2019 · Mobile Development

Technical Salon Summary: Tencent Cloud Video Cloud, Real‑Time Audio/Video, and Mobile Live‑Streaming Practices at 58.com

The 58 Group technical salon presented detailed practices on Tencent Cloud video services, real‑time audio/video communication, and mobile live‑streaming SDK implementation, covering architecture, protocols, encoding, troubleshooting, and future directions for improving streaming quality and user experience.

RTMPTencent CloudVideo Streaming
0 likes · 14 min read
Technical Salon Summary: Tencent Cloud Video Cloud, Real‑Time Audio/Video, and Mobile Live‑Streaming Practices at 58.com
Huajiao Technology
Huajiao Technology
Jun 4, 2019 · Industry Insights

Understanding Streaming Media: From RTMP to MPEG‑DASH Explained

This article explains streaming media fundamentals and compares major live‑streaming protocols—including RTMP, HTTP‑FLV, HLS, HDS, and MPEG‑DASH—detailing their architectures, workflow diagrams, MPD structure, segment handling, and practical steps for building a DASH demo with MP4Box and dash.js.

MPEG-DASHRTMPStreaming
0 likes · 16 min read
Understanding Streaming Media: From RTMP to MPEG‑DASH Explained
iQIYI Technical Product Team
iQIYI Technical Product Team
Apr 19, 2019 · Frontend Development

Evolution of iQiyi's PC Web Live Player Architecture

iQiyi’s PC Web live player has progressed from a Flash‑only design, through a hybrid Flash/H5 solution, to a fully integrated, plugin‑based architecture comprising UniPlayer, PlayerCore and modular plugins that streamline business logic, improve extensibility, and support diverse browsers, formats, ads, multilingual and barrage features.

Flash migrationHTML5 videoPlugin System
0 likes · 9 min read
Evolution of iQiyi's PC Web Live Player Architecture
Youku Technology
Youku Technology
Feb 14, 2019 · Frontend Development

Seeing the World Differently: Color Blindness, Personal Stories, and Video‑Streaming Solutions

The article shares personal stories of Chinese individuals whose everyday perception of sunsets and objects is muted by color‑weakness, explains that about 8 % of men and 0.5 % of women are affected, and highlights emerging aids such as EnChroma glasses, software tools, and large‑scale video‑streaming color‑weak modes that improve accessibility and underscore engineers’ role in creating inclusive visual experiences.

User experienceVideo Streamingalgorithmic color correction
0 likes · 15 min read
Seeing the World Differently: Color Blindness, Personal Stories, and Video‑Streaming Solutions
HomeTech
HomeTech
Nov 21, 2018 · Mobile Development

Design and Implementation of an iOS Remote Real‑Time Testing Platform

This article describes the challenges of scaling iOS device testing at Autohome, evaluates existing cloud‑device solutions, and presents a self‑built iOS remote‑real‑time testing platform that uses libimobiledevice, iOS‑minicap, WebDriverAgent, iproxy, and a B/S architecture to achieve high‑frame‑rate streaming and low‑latency control.

Mobile DevelopmentVideo StreamingWDA
0 likes · 10 min read
Design and Implementation of an iOS Remote Real‑Time Testing Platform
iQIYI Technical Product Team
iQIYI Technical Product Team
Nov 16, 2018 · Artificial Intelligence

How Reinforcement Learning Transforms Adaptive Bitrate Streaming

This article explains the principles of adaptive bitrate streaming, compares traditional ABR algorithms with a reinforcement‑learning‑based approach, describes its system architecture and training process, and presents QoS evaluation results that show RL‑driven streaming can improve video quality and smoothness.

ABR algorithmsAIQoS evaluation
0 likes · 8 min read
How Reinforcement Learning Transforms Adaptive Bitrate Streaming
Meitu Technology
Meitu Technology
Jul 13, 2018 · Backend Development

Meitu Technical Salon: Classic Video Technology Architecture and Optimization Practices

At the 10th Meitu Internet Technical Salon, experts presented classic video technology architecture and optimization case studies, detailing Meipai’s cost‑reduction and millisecond startup techniques, Inke’s live‑quiz system that scales to millions of concurrent users, and five strategies that cut Meipai live‑stream first‑screen time by more than 70%.

Streaming MediaVideo Streamingfirst-screen optimization
0 likes · 6 min read
Meitu Technical Salon: Classic Video Technology Architecture and Optimization Practices
iQIYI Technical Product Team
iQIYI Technical Product Team
Jun 29, 2018 · Cloud Computing

Optimizing Video Playback Experience: Adaptive Bitrate, AI‑Driven ABS, and CDN Strategies from iQIYI

At the China Video Consumption User Experience Summit, iQIYI detailed how its AI‑driven adaptive bitrate streaming, proprietary HCDN architecture, hotspot prediction and AI‑upscaling technologies collectively reduce stalling, shift traffic away from peak periods, and deliver higher‑quality, cost‑effective playback across devices, from standard video to 8K VR.

AI OptimizationCDNVideo Streaming
0 likes · 10 min read
Optimizing Video Playback Experience: Adaptive Bitrate, AI‑Driven ABS, and CDN Strategies from iQIYI
Hulu Beijing
Hulu Beijing
May 31, 2018 · Artificial Intelligence

How AI is Transforming Video Streaming: Today’s Practices and Future Trends

In this talk, Hulu’s Zhuge Yue explains how massive user data, diverse content, and advanced AI and machine learning techniques power personalized recommendations, content embedding, explainable AI, and innovative ad integration, outlining current implementations and future architectural directions for video streaming platforms.

AIRecommendation SystemsVideo Streaming
0 likes · 18 min read
How AI is Transforming Video Streaming: Today’s Practices and Future Trends
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Jan 23, 2018 · Backend Development

How Tencent Scaled Video Playback to Billions: Architecture & Optimization Secrets

This article details how Tencent's QQ Space grew daily video plays from 50 million to over a billion, improving playback success to 99.92%, cutting first‑buffer time to 0.70 s and second‑buffer probability to 0.48% through a series of backend architecture, bandwidth, codec, monitoring, and client‑side optimizations.

Bandwidth ReductionVideo Streamingmobile video
0 likes · 22 min read
How Tencent Scaled Video Playback to Billions: Architecture & Optimization Secrets
ITPUB
ITPUB
Jan 17, 2018 · Information Security

How ISPs Hijack Video Sites to Run Hidden Crypto‑Mining Scripts

Recent reports show that some Chinese ISPs inject obfuscated cryptocurrency‑mining JavaScript into popular video‑streaming pages, using network hijacking to exploit browsers' CPU cycles without noticeable slowdown, and security tools like 360 Safe Guard now offer anti‑mining protection.

Browser SecurityCoinHiveISP hijacking
0 likes · 6 min read
How ISPs Hijack Video Sites to Run Hidden Crypto‑Mining Scripts
Tencent Cloud Developer
Tencent Cloud Developer
Nov 24, 2017 · Cloud Computing

Fundamentals of Cloud Video Services – Course Overview

The Cloud+ Classroom course on Fundamentals of Cloud Video Services introduces the evolution, business models, and technical principles of on‑demand, live streaming, and voice services, showcases Tencent’s architecture, SDK integration, CDN and advanced features like facial recognition, and is aimed at cloud operations staff with basic computer skills.

Tencent CloudVideo Streamingcloud video
0 likes · 3 min read
Fundamentals of Cloud Video Services – Course Overview
Tencent Cloud Developer
Tencent Cloud Developer
Nov 13, 2017 · Cloud Computing

Tencent Video Cloud Editing System: Architecture and Optimization Techniques

Tencent's cloud editing system transforms live‑stream post‑production by ingesting parallel low‑ and high‑bitrate streams, enabling real‑time, frame‑precise cuts, fuzzy seeking, and WYSIWYG effects via HLS and NPAPI, while eliminating traditional VOD transcoding delays and paving the way toward a full‑featured online editing platform.

PTS calculationVideo StreamingVideo Transcoding
0 likes · 6 min read
Tencent Video Cloud Editing System: Architecture and Optimization Techniques
Hulu Beijing
Hulu Beijing
Oct 20, 2017 · Cloud Computing

Inside Hulu’s Cloud Architecture: A 1,000‑Foot View of Microservices and Scale

Chief architect at Hulu shares a high‑level overview of the company’s tech ecosystem, detailing its microservice‑based backend on the Donki PaaS, cloud‑flexible deployments, extensive machine‑learning pipelines, VOD and live‑streaming services, multilingual codebases, and the operational challenges of scaling a global streaming platform.

MicroservicesVideo Streamingarchitecture
0 likes · 9 min read
Inside Hulu’s Cloud Architecture: A 1,000‑Foot View of Microservices and Scale
21CTO
21CTO
Aug 4, 2017 · Artificial Intelligence

AI Behind Hulu's Video Recommendations: From Collaborative Filtering to Neural Nets

In this talk, Hulu’s research director Zhou Hanning explains the key factors influencing recommendation system performance, describes optimization goals, explores collaborative filtering, matrix factorization, and neural‑network approaches—including metadata‑driven transfer learning and cold‑start solutions for live streaming—and shares practical AI implementations that improve user experience and engagement.

AIRecommendation SystemsVideo Streaming
0 likes · 10 min read
AI Behind Hulu's Video Recommendations: From Collaborative Filtering to Neural Nets
Architecture Digest
Architecture Digest
Jun 21, 2017 · Backend Development

Optimizing Billion‑Scale Video Playback: Architecture, Bandwidth, Startup, Buffering, and Success‑Rate Improvements

The talk details Tencent's QQ Space video team’s technical practices for scaling daily video playback from 50 million to over a billion views, covering rapid deployment, bandwidth control, H.265 adoption, startup latency reduction, buffering mitigation, and comprehensive success‑rate monitoring across iOS and Android platforms.

Bandwidth ControlH.265Video Streaming
0 likes · 19 min read
Optimizing Billion‑Scale Video Playback: Architecture, Bandwidth, Startup, Buffering, and Success‑Rate Improvements
Hulu Beijing
Hulu Beijing
May 19, 2016 · Backend Development

How Hulu Evolved Its Video Platform Across Three Generations

This article chronicles Hulu's video system evolution from a Flash‑based player to HLS/H264 multi‑platform support and finally to an MPEG‑DASH architecture, detailing technical choices, DRM challenges, workflow simplifications, and the comprehensive backend and monitoring infrastructure that enable seamless multi‑device streaming.

Backend ArchitectureDRMFLASH
0 likes · 10 min read
How Hulu Evolved Its Video Platform Across Three Generations