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

The VLAN classification is based on the packet encapsulation type (frame header) and the protocol type of the data carried in the packet. Potentially there can be many VLANs that are classified based ...

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 ...

The data link layer is responsible for transmitting packets of information across the link between hosts. If the link is shared by many hosts (for example, a LAN) this layer also specifies how access ...

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 ...

Networking author Howard C. Berkowitz provides tips on avoiding and fixing data link network failures in Part 3 of his series.

A protocol stack is a prescribed hierarchy of software layers, starting from the application layer at the top (the source of the data being sent) to the data link layer at the bottom (transmitting ...

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.

FDT ® offers proven architecture for data exchange between software and automation components, regardless of the network layers or protocols used in communication. Point-to-point connections and ...

Ethereum layer-2 protocols are processing transactions faster than ever, with Coinbase's BASE at the forefront of this progress. According to data from growthepie.xyz, the cumulative transaction ...