7.1.            589

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-




 


 

 

. 7.1.     

       (network element
management layer)      . -
        
   SDH,    .
        
     .   -
       
 .       -
   .    -
     . 
      CiscoView  Cisco Systems, Optivity
 Bay Networks, RADView  RAD Data Communications  . .

     (Network management layer).  -
     ,  -
   ,   
    . .       -
   ,     .

       (Service management layer) 
        -
,     .    
      ,  ,
  .   (service provisioning) -
        , , 
  ,    , -
   . .        
       
    .     -
      ,    

