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...
6 KB (1,037 words) - 05:23, 1 July 2025
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...
16 KB (2,170 words) - 17:08, 29 March 2025
The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol used by network devices for advertising their identity, capabilities...
8 KB (718 words) - 10:37, 1 June 2025
Internet protocol suite (redirect from TCP/IP five layer model)
the layers are the link layer, containing communication methods for data that remains within a single network segment (link); the internet layer, providing...
59 KB (6,894 words) - 03:02, 14 July 2025
OSI model (redirect from OSI seven-layer model)
communication system are distinguished in seven abstraction layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application....
54 KB (5,624 words) - 01:40, 3 July 2025
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...
17 KB (1,648 words) - 17:43, 10 July 2025
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...
11 KB (970 words) - 22:41, 17 February 2025
An application layer is an abstraction layer that specifies the shared communication protocols and interface methods used by hosts in a communications...
11 KB (1,109 words) - 06:22, 1 July 2025
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...
5 KB (636 words) - 07:58, 28 February 2025
modems older than V.2. Asynchronous communication at the data link layer or higher protocol layers is known as statistical multiplexing, for example Asynchronous...
6 KB (593 words) - 12:18, 5 November 2024
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...
17 KB (1,645 words) - 16:11, 14 July 2025
List of Bluetooth protocols (redirect from Low Energy Link Layer)
hostless system, directly to the Link Manager/ACL link. L2CAP's functions include: Multiplexing data between different higher layer protocols. Segmentation and...
11 KB (1,462 words) - 14:22, 15 March 2025
PCI Express (redirect from PCI Express link)
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...
142 KB (13,110 words) - 16:53, 7 July 2025
Ethernet frame (section Frame – data link layer)
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...
26 KB (3,290 words) - 22:24, 29 April 2025
Profibus (section Data link layer (OSI-Layer 2))
exchange broadcast (slave-to-slave communication) The data link layer FDL (Field bus Data Link) servicesand protocols work with a hybrid access method that...
19 KB (1,709 words) - 14:37, 28 May 2025
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...
5 KB (758 words) - 21:36, 14 June 2025
Link Layer Topology Discovery (LLTD) is a proprietary link layer protocol for network topology discovery and quality of service diagnostics. Microsoft...
6 KB (688 words) - 16:03, 30 May 2023
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...
6 KB (1,093 words) - 20:05, 4 November 2024
Medium access control (redirect from MAC layer)
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...
10 KB (1,265 words) - 20:34, 9 May 2025
Address Resolution Protocol (section Layering)
communication protocol for discovering the link layer address, such as a MAC address, associated with a internet layer address, typically an IPv4 address. The...
20 KB (2,966 words) - 04:27, 29 April 2025
DeviceNet (section Data link layer)
Technical Overview Define the OSI seven-layer architecture model the physical layer, data link layer and application layer Network in addition to the signal...
8 KB (1,081 words) - 17:23, 13 November 2024
Point-to-Point Protocol (category Link protocols)
In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host...
21 KB (2,284 words) - 09:40, 21 April 2025
In the seven-layer OSI model of computer networking, the presentation layer is layer 6 and serves as the data translator for the network. It is sometimes...
7 KB (787 words) - 02:45, 4 July 2025
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...
35 KB (4,192 words) - 05:08, 26 May 2025
Outline of the Internet (section Link layer)
Internet standard – Request for Comments (RFC) – Internet protocol suite – Link layer – Address Resolution Protocol (ARP/InARP) – Neighbor Discovery Protocol...
14 KB (1,379 words) - 17:49, 2 June 2025
Air interface (section Data Link Layer)
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...
4 KB (594 words) - 20:47, 11 November 2024
table. At the data link layer, a FIB is most notably used to facilitate Ethernet bridging based on MAC addresses. Other data-link-layer technologies using...
9 KB (1,287 words) - 19:41, 3 April 2025
VLAN (section Cisco Inter-Switch Link)
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...
20 KB (2,720 words) - 14:25, 15 July 2025
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...
7 KB (974 words) - 19:58, 20 June 2025
EBUS (serial buses) (section Data-link layer)
: eBUS specifications – physical layer / data-link layer V.1.3.1 (March 2007) eBUS specifications – application layer V1.6.1 (March 2007) eBus Wiki – German...
5 KB (679 words) - 03:19, 10 November 2023