Trends Affecting QoS

• Network trends decreasing latency

  • Increasing speeds: 64Kbps -> 1Gbps+
  • Guaranteed network latency
  • Pervasive caches
  • Private peering agreements

• Client trends decreasing latency

  • “Last mile” latency decreasing as DSL becomes pervasive (10-20X speed up over analog modems)

• Server trends increasing latency

  • Increased processing demands on server
    • JAVA, security, dynamic data, transactions, middle-ware
  • Multi-node e-commerce applications

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