networking, the link layer is the lowest layer in the Internet protocol suite, the networking architecture of the Internet. The link layer is the group of...

The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers...

The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol used by network devices for advertising their identity, capabilities...

In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer: the layer most closely associated with...

communications between systems are split into seven different abstraction layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application....

the layers are the link layer, containing communication methods for data that remains within a single network segment (link); the internet layer, providing...

In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing...

The link layer is the lowest layer in the TCP/IP model. It is also referred to as the network interface layer and mostly equivalent to the data link layer...

An application layer is an abstraction layer that specifies the shared communication protocols and interface methods used by hosts in a communications...

In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet...

Link Layer Topology Discovery (LLTD) is a proprietary link layer protocol for network topology discovery and quality of service diagnostics. Microsoft...

PCI Express is a layered protocol, consisting of a transaction layer, a data link layer, and a physical layer. The Data Link Layer is subdivided to include...

This article lists protocols, categorized by the nearest layer in the Open Systems Interconnection model. This list is not exclusive to only the OSI protocol...

that combine multiple frequency bands. OSI layer 2 (data link layer, e.g. Ethernet frame in LANs or multi-link PPP in WANs, Ethernet MAC address) aggregation...

the logical link control (LLC) data communication protocol layer is the upper sublayer of the data link layer (layer 2) of the seven-layer OSI model. The...

hostless system, directly to the Link Manager/ACL link. L2CAP's functions include: Multiplexing data between different higher layer protocols. Segmentation and...

link layer protocol data unit and uses the underlying Ethernet physical layer transport mechanisms. In other words, a data unit on an Ethernet link transports...

logical link control (LLC) sublayer together make up the data link layer. The LLC provides flow control and multiplexing for the logical link (i.e. EtherType...

the link types. Such protocols belong to the link layer. Internet-layer protocols use IP-based packets. A common design aspect in the internet layer is...

application level. Each layer receives information from the layer above, processes it and passes it down to the next layer. Each layer adds encapsulation information...

In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host...

In the seven-layer OSI model of computer networking, the session layer is layer 5. The session layer provides the mechanism for opening, closing and managing...

modems older than V.2. Asynchronous communication at the data link layer or higher protocol layers is known as statistical multiplexing, for example Asynchronous...

that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). In this context, virtual refers to a physical object recreated...

Technical Overview Define the OSI seven-layer architecture model the physical layer, data link layer and application layer Network in addition to the signal...

protocol used for discovering the link layer address, such as a MAC address, associated with a given internet layer address, typically an IPv4 address...

exchange broadcast (slave-to-slave communication) The data link layer FDL (Field bus Data Link) servicesand protocols work with a hybrid access method that...

communication link between the two stations in mobile or wireless communication. The air interface involves both the physical and data link layers (layer 1 and...

nodes to determine and advertise an IPv6 address corresponding to a given link-layer address, similar to Reverse ARP for IPv4. The Secure Neighbor Discovery...

reported to the network layer. The exchange of data link units (including flow control) is defined by this layer. The physical layer describes details like...