What is the abbreviation for media access control sublayer?

The abbreviation of the medium access control sublayer is "MAC", which defines how data frames are transmitted on the medium; it solves the problem of how to allocate the right to use the channel when there is competition for the use of shared channels in the local area network. On links that share the same bandwidth, access to the connecting medium is on a "first come, first served" basis.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The abbreviation of the media access control sublayer is "MAC".

The data link layer of the LAN is divided into two sub-layers: the logical link layer LLC and the media access control MAC.

Logical Link Control (LLC for short) is the upper part of the data link layer in the LAN. The logical link control protocol is defined in IEEE 802.2. The user's data link service provides a unified interface to the network layer through the LLC sublayer. Below the LLC sublayer is the MAC sublayer.

MAC (medium access control) belongs to a sub-layer under LLC (Logical Link Control). Two media access control methods widely used in LANs are:

1. Contention-based media access control, also known as random media access control protocols, such as CSMA/CD.

2. Deterministic media access control, also known as ordered access control protocol, such as Token (token) method.

Media access control (medium access control) is referred to as MAC. It is to solve the problem of how to allocate the right to use the channel when competition occurs in the use of shared channels in the local area network.

It defines how data frames are transmitted on the medium. On links that share the same bandwidth, access to the connecting medium is on a "first come, first served" basis. Physical addressing is defined here, as is the logical topology (the path a signal takes through the physical topology). Line control, error notification (not corrected), frame delivery sequence and optional flow control are also implemented in this sublayer.

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