Qunar Tech Salon

Jan 21, 2015 · Fundamentals

Data Consistency, Replication, and Distributed Transaction Protocols: From Partitioning to Paxos and Dynamo

The article examines the challenges of scaling a single‑server data service, compares data partitioning and replication, explains consistency models, and surveys distributed transaction protocols such as 2PC, 3PC, Paxos, and Dynamo's NWR model, highlighting their trade‑offs in availability, consistency, and performance.