Data Link Control

In the OSI networking model, Data Link Control (DLC) is the service provided by the data link layer. Network interface cards have a DLC address that identifies each card; for instance, Ethernet and other types of cards have a 48-bit MAC address built into the cards' firmware when they are manufactured.

There is also a network transport protocol with the name Data Link Control, comparable to better-known protocols like TCP/IP and AppleTalk. DLC is a transport protocol used by IBM SNA mainframe computers and peripherals and compatible equipment. In computer networking, it is typically used for communications between network-attached printers, workstations and servers, for example by HP in their JetDirect print servers. While it was widely used up until the time of Windows 2000, versions from Windows XP onward do not include support for DLC.^[1]

External links

Generic DLC Environment Overview at the Wayback Machine (archived 2021-06-15)
Microsoft DLC protocol in Windows 2000 at the Wayback Machine (archived 2008-05-06)
Microsoft TechNet: The Data Link Control Interface at the Wayback Machine (archived 2017-08-26), 30.3.2013

References

^ Microsoft (October 11, 2002). "The DLC Protocol Is Not Available in Windows XP". Microsoft Support. Archived from the original on 2005-09-10. Retrieved November 8, 2012.

[1] Microsoft (October 11, 2002). "The DLC Protocol Is Not Available in Windows XP". Microsoft Support. Archived from the original on 2005-09-10. Retrieved November 8, 2012.

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