Distributed Systems

🔴 P0 — the defining characteristic of distributed systems

🟠 P1 — following a request across service boundaries

🟠 P1 — Dynamo-style replication; no single leader, quorum-based

🔴 P0 — critical for payment systems, Stripe’s public API design is built on this

🔴 P0 — the holy grail of distributed message processing; critical for payments

🔴 P0 — the foundational impossibility result and its more nuanced successor

🔴 P0 — appears in nearly every system design interview

🔴 P0 — DDIA Ch4 core content; underpins the gRPC proxy pattern and API versioning

🟠 P1 — how to push updates to many recipients; classic interview problem

🔴 P0 — the default replication strategy for most production databases