5.2.   IP-      375

      .   -
        TCP/IP. 
        (-
) IP-    .  ,  -
        
IP-   .

     IP-   -
  (Address Resolution Protocol, ARP).  ARP  
    ,       -
      (Ethernet, Token Ring, FDDI)  
         
  (.25, frame relay),     -
 .   ,    
 IP-    .   -
 ARP (Reverse Address Resolution Protocol, RARP)    
 ,       IP-,  -
    .

     ARP   , 
 IP      ,  
Ethernet. IP-     IP.    
 -  .

  ARP      ARP-
(. 5.5).       IP-
 -.   ,     
   ,   ARP-.

 5.5.  ARP-

IP-           -            

194.85.135.75       008048760         
194.85.135.70       0800521722        
194.85.60.21_____0080487567______________________________

          
 .       
     , ,     ,  -
     .    -
   ARP,   
  .     -
.         (
 ),     .  ,  ARP--
       ,    ,  
   .     
 , ARP-   ARP-.

         -
 ARP-,    , ,  IP-
   .25,     IP   .
        ARP