Build collaborative apps that feel instant-even offline. Real-Time Collaboration Engines: CRDTs and Operational Transforms is your hands-on guide to designing editors, whiteboards, and data sync that never lose user work. You’ll compare Operational Transform (OT) and CRDT approaches, then implement production-ready sync with clear patterns, test strategies, and performance tips.

What you’ll learn (and build)

Foundations that matter: causality (Lamport & vector clocks), eventual consistency, convergence, commutativity, and idempotency-explained with visuals and code.

OT in practice: transform functions, inclusion/exclusion transforms, rebasing, server roles, cursor & selection mapping, and starvation avoidance.

CRDTs in practice: state- vs operation-based, delta-CRDTs, sequence & map CRDTs (RGA, Logoot/LSEQ), tombstone handling, compaction/GC, and memory control.

Real apps: rich-text and code editors (ProseMirror/CodeMirror/Monaco), docs & whiteboards, presence/awareness, comments, and cross-device cursors.

Networking & scale: WebSocket/WebRTC topologies, fan-out vs mesh, snapshotting, sharding, persistence, and Raft/consensus interplay-without giving up local-first UX.

Security & governance: authZ models, ACLs, end-to-end encryption options, audit trails, and abuse-resistant rate-limits.

Quality gates: property-based tests, fuzzing, simulation of partitions/clock skew, perf budgets, and CI pipelines.

By the end, you’ll ship a collaboration engine that syncs fast, converges correctly, and scales to real users. Grab the eBook, paperback, or hardcover-then turn “conflicts” into “done.”

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