184     3     

3.1.2.   IEEE 802.X

 1980    IEEE    802  
 ,        -
 IEEE 802.X,       -
  .        
   ISO 8802-1...5.    -
        Ethernet, ArcNet
 Token Ring.

  IEEE        -
    . ,  ,   ,
    ANSI    FDDI,
    100 /.   
    ,   
-80, 81, 82     Ethernet   
-89, 90    .

  IEEE 802.X      -
  OSI    .    ,  
        . 
 ,   ,        
,     .

         -
    ,     . -
  (Data Link Layer)       :

    (Logical Link Control, LLC);

     (Media Access Control, MAC).

 MAC  -     
  .      
  ,       -
       .      
,         LLC, -
    ,  ,   -
   .     
    MAC,   -
    .     -
  ,  Ethernet, Fast Ethernet, Gigabit Ethernet, Token Ring,
FDDI, lOOVG-AnyLAN.

 LLC         
 ,        
  .    LLC   
         .
  LLC    ,  
           -
  ,       
.

  MAC  LLC      
MAC       LLC,  .