PPT Slide

The Eifel Retransmission Timer

• TCP’s Retransmission Timer is Too Conservative
  • Prediction Flaw when Round-Trip Time (RTT) Drops (Definition)
  • Broken Gains (Definition)

• Model and Measurement-based Analysis Yield Same Results
  • Correctness of Analysis Validated
  • Correctness of Implementation Validated

• The Eifel Retransmission Timer
  • Eliminates the 4 Problems

• Public Domain Implementation for FreeBSD UNIX

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