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Top Architect
Top Architect
Mar 4, 2023 · Backend Development

Design and Optimization of a High‑Performance Live‑Streaming Danmaku System

This article details the challenges and solutions for building a scalable, low‑latency danmaku service for live streaming, covering background requirements, bandwidth constraints, protocol choices, short‑polling implementation, reliability measures, and performance results that supported 700,000 concurrent users during a major event.

Live StreamingPerformancebackend
0 likes · 10 min read
Design and Optimization of a High‑Performance Live‑Streaming Danmaku System
Architecture Digest
Architecture Digest
Jan 18, 2023 · Backend Development

Design and Optimization of a High‑Throughput Live‑Streaming Danmaku System

This article describes the challenges of delivering real‑time danmaku for a Southeast Asian live‑streaming service, analyzes bandwidth pressure, network instability, and reliability issues, and presents a series of backend optimizations—including HTTP compression, response simplification, short‑polling, service splitting, caching, and a custom ring‑buffer—to reliably support up to one million concurrent users.

Live StreamingPerformancebackend architecture
0 likes · 12 min read
Design and Optimization of a High‑Throughput Live‑Streaming Danmaku System
Architecture Digest
Architecture Digest
Jan 6, 2023 · Backend Development

Design and Optimization of a High‑Performance Danmu System for Southeast Asian Live Streaming

This article presents a detailed case study of designing a high‑throughput danmu (bullet‑screen) system for Southeast Asian live streaming, analyzing bandwidth constraints, latency issues, and evaluating long‑polling, WebSocket, and short‑polling approaches, ultimately describing the chosen short‑polling solution, service partitioning, caching, and ring‑buffer techniques to achieve stable performance for millions of concurrent users.

Real-time MessagingWebSocketbackend architecture
0 likes · 12 min read
Design and Optimization of a High‑Performance Danmu System for Southeast Asian Live Streaming
vivo Internet Technology
vivo Internet Technology
May 19, 2021 · Backend Development

Design and Evolution of Vivo Live‑Streaming IM Message System

Vivo’s live‑streaming IM system combines short‑polling and long‑connection techniques, Redis SortedSet storage, priority‑based routing, protobuf compression, and discard strategies to deliver a fault‑tolerant, high‑concurrency messaging backbone that scales with growing traffic and diverse message types.

Instant MessagingLive StreamingLong Connection
0 likes · 20 min read
Design and Evolution of Vivo Live‑Streaming IM Message System