6.4.            535

       -
   ,    .25  -
     TCP/IP     RSVP,
      Internet.   frame
relay        .

      ,
   .
 CIR (Committed Information Rate)    , 

     .

 Be (Committed Burst Size)    ,   -
  ,        
  .

 Be (Excess Burst Size)    ,   

 ,       

     .

   ,     :  = Bc/CIR.
   CIR  ,     
  .

   CIR, Be, Be    . 6.27.

 '	k				
				fg^	
+				/	
	f4, DE=1/	
D		
"			/B=R-T		
		f2,DE=0,			
	fi.DE-^		B=CIR-T		
		\ ^			
		n			
	 '

. 6.27.     :

R    ; /, f, 

      frame relay  , -
    .

 ,        
  ,    -
 .        
    .    -
       -