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2) . LLC , . LLC 3 :
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IEEE ISO IEEE 802. 802 : (Media Access Control (Logical Link Control LLC).
5.1 IEEE 802 OSI/ISO.
, MAC 802.3, 802.4, 802.5 802.6, LLC 802.2.
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( MAC LL) (Service Access Point - SAP). (SAP) :
- PSAP - ;
- MSAP - MAC;
- LSAP - LLC.
Institute of Electrical and Electronics Engineers IEEE802 . (Network Interface Card NIC) (network media), OSI. IEEE802 . IEEE802 :
- Logical Link Control (LLC) ;
- Media Access Control (MAC) .
IEEE 802 16 :
802.1
802.1 (Internetworking ) MAC . 802.1 , , , .
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802.2
802.2 (Logical Link Control ) LLC OSI. LLC .
802.3
802.3 ( Ethernet Carrier Sense Multiple Access with Collision Detection CSMA/CD LANs Ethernet Ethernet ) MAC , . Ethernet (10BaseT, 10Base2, 10Base5). CSMA/CD. 802.3 Fast Ethernet (100BaseTx, 100BaseFx, 100BaseFl).
100Base-Tx . MLT-3 5- 4/5B , (Auto-negotiation) .
100Base-T4 . 4B/5 8B/6T.
100BaseFx . Fast Ethernet , FDDI. FDDI, , (Rx) (Tx).
( , ). , . - , Ethernet. , , , (multiply access MA).
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, , . . , , , , , , -. , - , .
802.4
802.4 (Token Bus LAN Token Bus) , ArcNet.
ArcNet . ArcNet Token Bus ( ) 2,5 /. :
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- ;
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802.5
802.5 (Token Ring LAN Token Ring) , Token Ring.
Token Ring, Ethernet, , , . , , Ethernet, , . , , .
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802.6
802.6 (Metropolitan Area Network ) .
802.7
802.7 (Broadband Technical Advisory Group ) , , .
802.8
802.8 (Fiber Technical Advisory Group ) 802.3 802.6, , , , FDDI (Fiber Distributed Data Interface).
FDDI . FDDI , . FDDI, , , . 100 /. 500 100 .
802.9
802.9 (Integrated Voice and Data Network ) , , .
802.10
802.10 (Network Security ) , , , OSI.
802.11
802.11 (Wireless Network ) .
802.12
802.12 100VG AnyLAN 100/ (Demand Priority Queuing DPQ, Demand Priority Access DPA).
100VG Ethernet Token-Ring 100 /c, . 100Base-VG . 100VG - . 100VG (demand priority access). . , . .
802.13
802.13 Cat.6 -10Gb LAN ( ) .
802.14
Cable Modem Working Group. . / , 80 . LLC IEE802.2( Ethernet). , ATM .
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802.15
Wireless Personal Area Networks Group. .
802.16
Broadband Wireless Access Study Group. .
802.17
Resilient Packet Ring Working Group. , .
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