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In Windows Server 2003 R2 and Windows Server 2008, DFS Replication [2] is available as well as the File Replication Service. DFS Replication is a state-based replication engine for file replication among DFS shares , which supports replication scheduling and bandwidth throttling .
Windows Server 2003 R2 introduced "DFS Replication" (DFSR) which improves on FRS by only copying those parts of files which have changed (remote differential compression), by using data compression to reduce network traffic, and by allowing administrators flexible configuration options for limiting network traffic with a customizable schedule.
Remote Differential Compression (RDC) is a client–server synchronization algorithm that allows the contents of two files to be synchronized by communicating only the differences between them.
Some researchers have made a functional and experimental analysis of several distributed file systems including HDFS, Ceph, Gluster, Lustre and old (1.6.x) version of MooseFS, although this document is from 2013 and a lot of information are outdated (e.g. MooseFS had no HA for Metadata Server at that time).
Freely redistributable software (FRS) is software that anyone is free to redistribute. The term has been used to mean two types of free to redistribute software, distinguished by the legal modifiability and limitations on purpose of use of the software. FRS which can be legally modified and used for any purpose is the same as free software.
Information includes facility name, address, city, etc. The FRS also ingests any geographic information, such as latitude and longitude. The program system id number is also retrieved and placed in the FRS database. FRS also stores the SIC and NAICS codes for facilities that are collected by the various program and state collections.
DFS Replication, [76] the successor to File Replication Service, is a state-based replication engine for file replication among DFS shares, which supports replication scheduling and bandwidth throttling. It uses Remote Differential Compression to detect and replicate only the change to files, rather than replicating entire files, if changed.
Resilient File System (ReFS), [6] codenamed "Protogon", [7] is a Microsoft proprietary file system introduced with Windows Server 2012 with the intent of becoming the "next generation" file system after NTFS.