Data Storage Networking by Nigel Poulton

Author:Nigel Poulton
Language: eng
Format: epub
Publisher: Wiley Publishing, Inc.
Published: 2014-02-21T05:00:00+00:00

SMB/CIFS can be used to share and access devices other than files and folders. It can also share printers and be used for inter-process communication (IPC) between servers.

SMB/CIFS originally had a shocking reputation. It was extremely chatty and had a checkered history that didn’t embrace TCP/IP. Then with the introduction of Windows 2000, Microsoft suddenly embraced TCP/IP as if it had invented it. However, although it was ugly in its early stages, it is much better looking now!

SMB 2.0 was a massive revision that really upped the ante. Major improvements included vastly reducing network-related chatter, reducing the overall number of commands in the protocol suite, introducing command compounding, and adding pipelining of commands.

Command compounding allows commands to be batched up and sent as fewer commands. The same goes for responses. Pipelining takes things a little further byallowing multiple compounded commands to be sent before an ACK is received. It also supports TCP window scaling. The net result is a superior, less chatty protocol that is more suited to WAN use cases, including the Internet.

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