252     3     

   lOOVG-AnyLAN ,    
    ,  , 
 Demand Priority   .  Demand Priority -
    ,  ,  -
 ,    ,  .

  VG    ,    
    ,      , 
          .

  lOOVG-AnyLAN   UTP  3,  
  100 /     4- -
.       UTP  5, 
STP Type 1  - .

3.7.  
Gigabit Ethernet

3.7.1.   

       Fast Ethernet 
      
  .    ,  
100- ,   ,    -
 100 /   FDDI  Fast Ethernet.   
   .  1995     -
     ,      
        ( 
LAN Emulation  LANE     1995 ,   -
  )         . 
,       .

    ,  IEEE,   5 -
     Fast Ethernet   1995  -
      IEEE 
      Ethernet 
    .

 1996       802.3z   -
,   Ethernet,     1000 /.
    Fast Ethernet,     Ethernet
  .

        
   Gigabit Ethernet,  ,     Fast
Ethernet   Ethernet,    
 .          
,     ( SDH),     