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#34 11:39:00

• Lower level details of the implementation
  
  
  • Private networking
    
    
    • Use private ethernet or, better, ATM for communications within the server system
      
      
      • ATM: large (9K) packet size, allows routing independent of IP network and avoids loading down IP routers
        
        
      • Lowers the load on server IP stack, 1MB article at 1500 bytes = 699 packets, at 9180 bytes = 114
        
        
      • ATM cell tax is sort of a downside, but for an ISP whose backbone is already ATM, no worse than the routed IP network scenario