Masterclass Library & Archive
All 120+ System Design & AI Editions
Explore our visual blueprints, production case studies, and architecture trade-off matrices.
Issue #120
14 min read
#Architecture#Scalability#Distributed Systems
System Design Concepts: Scalability, Availability, Reliability, and 35 Others
A comprehensive visual breakdown of 38 essential system design concepts, from load balancing algorithms and CAP theorem to consistent hashing and sharding.
13 Architecture Concepts (4 Free Preview)
Aug 14, 2026
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Issue #119
11 min read
#Case Study#Video Streaming#CDN
How Netflix Streams 4K Video to 260M+ Users Globally
An architectural deep-dive into Open Connect appliance boxes, adaptive bitrate streaming algorithms, and how Netflix handles millions of concurrent streams without buffering.
3 Architecture Concepts (2 Free Preview)
Aug 07, 2026
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Issue #118
9 min read
#Distributed Systems#Redis#Consensus
Distributed Locks: Why Redis Redlock is Both Loved and Feared
When and why you need distributed locks, the Martin Kleppmann vs Salvatore Sanfilippo debate, and how to implement safe fencing tokens for mutual exclusion.
2 Architecture Concepts (1 Free Preview)
Jul 30, 2026
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