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According to the IEEE 802 family members of standards, Logical Link Control (LLC) is the higher associate layer of the OSI data link layer. The LLC is the similar for the various physical medium (such as Ethernet, token ring, and WLAN).
The LLC sub layer is first and foremost concerned with:
· Multiplexing protocols put on the air over the MAC layer (when transmitting) and de-multiplexing them (when receiving).
· Providing flow control and discovery and retransmission of went downstairs packets, stipulation requested.
The protocol second-hand for LLC in IEEE 802 networks and in a number of non-IEEE 802 networks such as FDDI is particular by the IEEE 802.2 standard.
Some non-IEEE 802 protocols can be contemplation of as being tearing into MAC and LLC layers. For instance, while HDLC identify MAC functions (framing of packets) as well as LLC functions (procedure multiplexing, flood control, and discovery and retransmission of dropped packets), a number of protocols such like Cisco HDLC can make use of HDLC-like small package framing and their have possession of LLC protocol.
An LLC subtitle tells the Data Link layer what to do with a small package once a border is received. It works similar to this: A host will take delivery of a frame and give the impression of being in the LLC header to come across out where the packet is destined for - say, the IP code of behavior at the Network layer or IPX.
The LLC sub layer is first and foremost concerned with:
· Multiplexing protocols put on the air over the MAC layer (when transmitting) and de-multiplexing them (when receiving).
· Providing flow control and discovery and retransmission of went downstairs packets, stipulation requested.
The protocol second-hand for LLC in IEEE 802 networks and in a number of non-IEEE 802 networks such as FDDI is particular by the IEEE 802.2 standard.
Some non-IEEE 802 protocols can be contemplation of as being tearing into MAC and LLC layers. For instance, while HDLC identify MAC functions (framing of packets) as well as LLC functions (procedure multiplexing, flood control, and discovery and retransmission of dropped packets), a number of protocols such like Cisco HDLC can make use of HDLC-like small package framing and their have possession of LLC protocol.
An LLC subtitle tells the Data Link layer what to do with a small package once a border is received. It works similar to this: A host will take delivery of a frame and give the impression of being in the LLC header to come across out where the packet is destined for - say, the IP code of behavior at the Network layer or IPX.
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