102    1      

(),     . ,      -
           -
    ,     
   .

.6.3.   

       ,
           -
.

 (extensibility)     -
    (, , ,
),        
 .    ,    
       . -
,   Ethernet,       -
 ,   ,   ,  
   .       
       30-40.    
       ( 100),    
    .    
       -
.

 (scalability) ,     -
        ,   -
   .    
      -
   . ,  -
   ,    
      .   -
         
    .

1.6.4. 

 (transparency)     ,   -
      ,  
   ,      -
    .    Sun Microsystems:

          .

          
    .    
,            
  ,       .  -
     ,     
     ,      
.      ,   