Follow these steps carefully to master this series.
Why simple modulo hashing fails at scale. Learn how Consistent Hashing allows Discord to add or remove nodes without rebalancing the entire cluster.
Don't expose your services directly. Explore how API Gateways handle authentication, rate limiting, SSL termination, and request routing.
When vertical scaling hits a wall. A deep dive into horizontal partitioning, ID generation (Snowflake), and routing queries efficiently.
Understand the Signal Protocol, the Double Ratchet algorithm, and how billions of messages are secured instantly.
How does video conferencing work? Explore WebRTC, UDP vs TCP, and how jitter buffers keep your calls smooth.
Sending one notification is easy. Sending one million in a minute requires queues, workers, and smart rate limiting.
How Spotify delivers instant playback. A look at P2P networks, caching strategies, and their sophisticated event delivery system.
Why Netflix built its own hardware. Learn about Open Connect, edge computing, and optimizing video delivery for ISPs.
Deconstructing the "For You" page. Graph databases, collaborative filtering, and the architecture of addiction.
How do you search through billions of logs instantly? Understanding Inverted Indices, Tokenization, and TF-IDF scoring.
Catching bad guys in under 300ms. Using stream processing and ML models to flag suspicious transactions instantly.
When multiple services try to write to the same resource. How to implement distributed mutual exclusion using Redis and Redlock.
How two people type at once without overwriting each other. Explaining Operational Transformation (OT) and CRDTs.