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Multi-master replication can be contrasted with primary-replica replication, in which a single member of the group is designated as the "master" for a given piece of data and is the only node allowed to modify that data item. Other members wishing to modify the data item must first contact the master node.
FRS is still used for SYSVOL replication, but optionally, DFS replication may be used instead of FRS replication for SYSVOL shares, [4] and the FRS stopped. On up-level Windows Server 2008 domain controllers, SYSVOL replication is performed using DFS replication, by default [ 5 ] although NTFRS replication is also supported.
SymmetricDS is open source software for database and file synchronization with Multi-master replication, filtered synchronization, and transformation capabilities. [2] It is designed to scale for a large number of nodes, work across low-bandwidth connections, and withstand periods of network outage. [3]
Replication is one of the oldest and most important topics in the overall area of distributed systems. Data replication and computation replication both require processes to handle incoming events. Processes for data replication are passive and operate only to maintain the stored data, reply to read requests and apply updates.
In computer science, state machine replication (SMR) or state machine approach is a general method for implementing a fault-tolerant service by replicating servers and coordinating client interactions with server replicas. The approach also provides a framework for understanding and designing replication management protocols.
In database replication, the master database is the authoritative source. A replica database, sometimes called a slave, is synchronized to it but is not controlled by it. A Parallel ATA (aka IDE) hard drive interface supports two hard drives on a cable, which are designated master and slave. The distinction is required by the interface even ...
Microsoft RPC, DFSR (SYSVOL) Replication Service [citation needed] 5723: Unofficial: System Center Operations Manager [290] 5724: Unofficial: Operations Manager Console 5741: Yes: IDA Discover Port 1 5742: Yes: IDA Discover Port 2 5800 Unofficial: VNC Remote Frame Buffer RFB protocol over HTTP: Unofficial: ProjectWise Server [291] 5900 Yes ...
Eventual consistency, also called optimistic replication, [2] is widely deployed in distributed systems and has origins in early mobile computing projects. [3] A system that has achieved eventual consistency is often said to have converged , or achieved replica convergence . [ 4 ]