6.5.        577

   Internet      
        -
  ,        -
         
.     . -,   IP-, -
  Internet,       IPX, NetBEUI,
 Ethernet  . . -,    ,
   .

      Internet  
  .      , -
       Internet  -
        
.

    Internet  
    

       
       (DSL).  -
       -
    (Asymmetric Digital Subscriber Line, ADSL),
        -
   (SDSL),      -
 (Rate Adaptive DSL, RADSL)     
(Very high-speed DSL, VDSL).

        
    1/1.    High-speed
DSL (HDSL)   4-     1,544  2,048 /.
    ISDN   2- -
   128 /.

        Internet ( 
Internet    )    2<[
 ,        -
-   .    
     .

        
  ,      ,   
   ,     .
      (V.34, V.34+)      -
  3100       ,  *DSL
       1      
       .   
 *DSL      . 6.38   ADSL-.

ADSL-,        -
  ,   :        -
,           
   ,     
.     -   