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Developed at IBM, SMB allowed computers to read and write files over a local area network. The SMB application-layer network protocol has been around since the 1980s. This makes CIFS a chattier protocol than NFS. With CIFS/SMB, a client program requests a file from a server program located on another computer, and the server responds. Using NFS, users can store, view and update files remotely as though they were on their own computer. NFS is a client-server application that permits transparent file sharing between servers, desktops, laptops and other devices. NFS was originally used more in Unix and Linux OSes, while CIFS and SMB were used for Windows, but most major NAS vendors now support both protocols. NFSĭeveloped by Sun Microsystems in the 1980s, NFS is now managed by the Internet Engineering Task Force ( IETF). The server takes the requested action and returns a response.ĬIFS is now considered obsolete, because most modern data storage systems use the more robust Server Message Block ( SMB) 2.0 and 3.0 file-sharing protocols, which were major upgrades to CIFS.ĬIFS/SMB and the Network File System ( NFS) are the two major protocols used in network-attached storage ( NAS) systems. CIFS used the client-server programming model in which a client program makes a request of a server program - usually in another computer - to access a file or pass a message to a program that runs in the server computer. CIFS (Common Internet File System) is a protocol that gained popularity around the year 2000, as vendors worked to establish an Internet Protocol-based file-sharing protocol.Īt its peak, CIFS was supported by operating systems (OSes) such as Windows, Linux and Unix.

Best free project management software 2016 lan