56                                  ___________________ Internet

       32-
.

      IP   
 ,      
.   :     IP, 
    ,  -
 ,   ,    , -
     .

       
   LCP (Link Control Protocol)   
   NCP (Network Control Protocols),  
      -
.  ,  IP,     -
,    IPX  DECnet.

     :

D       
.    HDLC (High-level Data Link Control,
      )  -
        -
   .

D   LCP   ,   -
 ,  ,   -
  .  , LCP     -
,     ,
 ,  ""  
.

   NCP     
   .    -
     . 
Network Control Protocol (NCP)  IP   IP Control Protocol (IPCP).
IPCP   ,     IP 
  -,    IP-,
         -
, , .

         
,      LCP  -
   ()    .
 ,      LCP  
  ,    
NCP,         -
  .      -
 ,       -