IMR-Pathload: Robust Available Bandwidth Estimation Under End-Host Interrupt Delay

@inproceedings{Kang2008IMRPathloadRA,
  title={IMR-Pathload: Robust Available Bandwidth Estimation Under End-Host Interrupt Delay},
  author={Seong-ryong Kang and Dmitri Loguinov},
  booktitle={PAM},
  year={2008}
}
Many paths in PlanetLab cannot be measured by Pathload. One of the main reasons for this is timing irregularities caused by interrupt moderation of network hardware, which delays generation of interrupts for a certain period of time to reduce per-packet CPU overhead. Motivated by this problem, we study Pathload in detail under various end-host interrupt delays and find that its trend detection mechanism becomes susceptible to non-negligible interrupt delays, making it unable to measure network… CONTINUE READING

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