Operational Transformation (OT): A concurrency control algorithm which allows multiple users to edit simultaneously by transforming operations to preserve the intention of each edit.

Alongside these efforts, emerging scheduling algorithms for distributed transactional memory are being refined to deliver near-optimal execution times.

Concurrency Control Model for Distributed Database Now-a-days, distributed databases have taken concentration in the database research.

HyflowCPP provides distributed atomic sections, and pluggable support for policies for concurrency control, directory lookup, contention management, and networking.