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Architect
Architect
Dec 13, 2023 · Industry Insights

How Bilibili Engineered a 1.2 B‑Viewer Live Stream for the LoL World Championship

This article details Bilibili's end‑to‑end technical planning, traffic‑estimation models, and concrete optimizations—including hotspot caching, traffic dispersion, long‑connection isolation, and automated fault‑injection—that enabled the S13 League of Legends finals to serve over 1.2 billion viewers with stable, low‑latency streaming.

ObservabilityPerformance OptimizationTraffic Engineering
0 likes · 22 min read
How Bilibili Engineered a 1.2 B‑Viewer Live Stream for the LoL World Championship
Bilibili Tech
Bilibili Tech
Nov 28, 2023 · Operations

Technical Assurance Practices for the 13th League of Legends World Championship Live Stream

For the 13th League of Legends World Championship live stream on Bilibili, a comprehensive technical‑assurance framework—covering pre‑event traffic buildup, in‑event experience, and post‑event replay—mapped over 60 business functions, applied a traffic‑estimation model, executed fault‑injection drills, load tests, strict SOPs and change control, and real‑time monitoring, enabling 120 million viewers and a peak of 460 million concurrent users.

Fault InjectionOperationsPerformance Testing
0 likes · 19 min read
Technical Assurance Practices for the 13th League of Legends World Championship Live Stream
JavaEdge
JavaEdge
Sep 5, 2022 · Operations

Engineering Double‑11‑Scale E‑Commerce Events: A Complete Technical Playbook

From kickoff meetings and traffic forecasting to load‑testing strategies, rate‑limiting designs, emergency runbooks, and post‑event retrospectives, this guide walks engineers through the complete technical workflow required to ensure a Double‑11‑scale e‑commerce promotion runs smoothly and safely.

Load TestingTraffic Engineeringincident response
0 likes · 12 min read
Engineering Double‑11‑Scale E‑Commerce Events: A Complete Technical Playbook
Architects' Tech Alliance
Architects' Tech Alliance
Feb 1, 2021 · Operations

Segment Routing in UCloud Backbone Network: Architecture Evolution and Implementation

This article examines how UCloud’s rapidly expanding cloud services drove a series of backbone network upgrades, detailing the transition from the original MPLS‑based design to a Segment Routing (SR‑TE) architecture that delivers intelligent, reliable and programmable traffic engineering across global data‑center regions.

SR-TESegment RoutingTraffic Engineering
0 likes · 16 min read
Segment Routing in UCloud Backbone Network: Architecture Evolution and Implementation
UCloud Tech
UCloud Tech
Jan 28, 2021 · Operations

Building an Intelligent, Reliable, Schedulable Backbone with Segment Routing

This article explains how UCloud leverages Segment Routing to redesign its backbone network, detailing the architecture, control‑plane and forwarding‑plane designs, traffic‑engineering features, multi‑scenario access, and future evolution to achieve intelligent, reliable, and highly schedulable connectivity.

SDNSegment RoutingTraffic Engineering
0 likes · 23 min read
Building an Intelligent, Reliable, Schedulable Backbone with Segment Routing
21CTO
21CTO
May 4, 2017 · Operations

How Taobao Built High‑Availability: From Double‑11 Peaks to Cloud‑Native Resilience

This article shares practical high‑availability techniques—from Taobao's massive Double‑11 traffic handling and IDC‑based stability measures to cloud‑native designs, caching tricks, performance tuning, disaster‑recovery planning, and multi‑region architectures—offering engineers actionable insights for building resilient systems.

Performance OptimizationTraffic Engineeringcaching
0 likes · 19 min read
How Taobao Built High‑Availability: From Double‑11 Peaks to Cloud‑Native Resilience