NDMP, or Network Data Management Protocol, is a protocol invented by the NetApp and PDC, acquired by Legato and now EMC companies, meant to transport data between network attached storage (NAS) devices and backup devices. This removes the need for transporting the data through the backup server itself, thus enhancing speed and removing load from the backup server.
Most contemporary commercial, multi-platform backup software, such as Bacula, Amanda, CA ARCserve, EMC NetWorker, EMC Avamar, Symantec NetBackup, Backup Exec (since v11d), CommVault Simpana, Virtos S.O.S Backup, IBM Tivoli Storage Manager, Hitachi Data Systems (HDS), Dell Software NetVault Backup, Catalogic DPX, Zmanda, HP Data Protector, Unitrends and others support this protocol.
Currently, the Storage Networking Industry Association (SNIA) oversees the development of the protocol.
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