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In IEEE 802 LAN/MAN standards, the medium access control (MAC), also called media access control, is the layer that controls the hardware responsible for interaction with the wired (electrical or optical) or wireless transmission medium. The MAC sublayer and the logical link control (LLC) sublayer together make up the data link layer.
In the IEEE 802 reference model of computer networking, 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 LLC sublayer acts as an interface between the medium access control (MAC) sublayer and the network layer.
The services and protocols specified in IEEE 802 map to the lower two layers (data link and physical) of the seven-layer Open Systems Interconnection (OSI) networking reference model. IEEE 802 divides the OSI data link layer into two sub-layers: logical link control (LLC) and medium access control (MAC), as follows: Data link layer. LLC sublayer
IEEE 802.2 is the original name of the ISO/IEC 8802-2 standard which defines logical link control (LLC) as the upper portion of the data link layer of the OSI Model. [1] The original standard developed by the Institute of Electrical and Electronics Engineers (IEEE) in collaboration with the American National Standards Institute (ANSI) was adopted by the International Organization for ...
One way is by local assignment of LSAPs, for which the other half of the LLC address space is available. The second way is to use a particular reserved LLC address value that has been assigned for use in conjunction with the Sub-network Access Protocol (SNAP) is called the SNAP address. The SNAP address identifies, at each MAC SAP, a single LSAP.
A DUNS number is a nine-digit identifier that tracks your business's credit history and financial performance. Since 1963, Dun & Bradstreet (D&B) has issued these numbers to businesses worldwide ...
By examining the 802.2 LLC header, it is possible to determine whether it is followed by a SNAP header. The LLC header includes two eight-bit address fields, called service access points (SAPs) in OSI terminology; when both source and destination SAP are set to the value 0xAA, the LLC header is followed by a SNAP header. The SNAP header allows ...
LLC vs. Corporation. TJ Porter. April 30, 2024 at 1:37 PM. ... Shareholders exert control over the business based on the number of shares they own. They can also sell shares to other people. Even ...