6.4.            565

, ,     ,     
    Fast Ethernet.

     ,   frame relay  
   ,  ,      -
,      .

       
Internet.        -
   IP-,     
 .        IP--
,    SDH,      
      -
   IP-.     
      UUNET    
  Internet   (. 6.35).

/^^\				/ ^NYC4K
~-/7  \ ~^~~.1 "" 11 ^FAI 1 ^^	/ /^- \
				-~\^^CLE1|| JRC11 | NYC1
	| SLT2			| | \^	
				[  \	/ |EWRl| | NYC2
				W\3~\-\ CHI4 | / //
		|DEN2|	IKCY	~JY	/ |BOS11)
\\ SFOT^					
/-					/ J\DCM\~^
SJC1J [ |"PA01 |'^^^^	liJ ECP11 PHX1^'	|DFW4|-	^^J^^J^IAl1.7S\	| FFX2| | FFX1|
			| H043 |--	'^/~^[TCazJ'

. 6.35.     UUNET

     Distributed Networking Associates
 85 %  ,     ,  
  (     IP  32 %).

       
   ,     CBR   
  5 %   ,     10 %. -
        
 SDH,      . 
,         
   ,      .