The Data Link Layer is one of my favorite layers ... They can also occur on the WAN, at the connections between adjacent nodes. Layer 2 functions occur before an IP-based connection is ever ...

Protocols at roughly OSI Layers 2 through 4 are in the ... In the enterprise, data link protocols provide functions such as finding a path and managing parallel paths. In LANs, the most common ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers. The Open Systems Interconnect (OSI) model is a conceptual framework ...

VIAVI Not only is it important that the underlying electrical and optical connectivity of these components function properly, it's also critical that the data link layer operates within the ...

Known as a "layer 2 protocol," the data link protocol is responsible for ensuring that the bits and bytes received are identical to the bits and bytes sent. For example, in a local network ...

Common functions at this layer are opening ... are required for every type of communications. For more on this layer, see data link protocol. Layer 1 passes bits onto, and receives bits from ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though ...