In networking and communications, the formats, codes and procedures for transmitting a unit of data (frame, packet) from one node to another. Known as a "layer 2 protocol," the data link protocol ...

At the data link layer, we see protocols such as 802.11n wireless, which deal with access to the air and retransmissions between the antennae. So, let’s now return to the question of why RTP has ...

What protocol does my ISP (Verizon) use at the data link layer to transport them? Google has not been much help so far.

These protocols provide a stable framework through which an always-expanding set of physical and data-link layer protocols, as well as new applications and services at the higher layers, can ...

The Data Link Layer is one of my favorite layers of the OSI Model. Like a father who loves ALL of his children equally, but in different ways, I also love the other layers, but Layer 2 will always ...

On a shared medium, data link addresses are unique within the medium. In the enterprise, data link protocols provide functions such as finding a path and managing parallel paths.

IP functions at the Network Layer (layer three) in the Open Systems Interconnection (OSI) reference model. It runs on top of the physical and data-link layers defined by IEEE 802.3 — otherwise known ...

The data-link and physical layers add new optional features. Elements in blue are required, those in green are unchanged from Ethernet, and those in beige are optional.

The technical name of a frame of data transmitted over the data link layer (layer 2) in a communications network. Ethernet and Token Ring are examples of this layer. Many people neither use the ...