Reduced network traffic

• AOL <--> Internet

  • Web pages from source servers
  • Data to customers (80% of AOL use over AOLnet)

• Assuming average page size at 8K, 300 Million requests is 2.4 Terabytes

  • At a cache hit ratio of 50%,
    1200 Gbytes saved == 8 T3
    
  • At a cache hit ratio of 75%,
    1500 Gbytes saved == 12 T3
    

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