The PFTK formula gives the steady state throughput of a bulk transfer TCP flow as a function of loss rate and RTT:

where is the number of packets that are acknowledged by a received ACK and is the initial value of the timeout.


Bibliographic data

   title = "Modeling and Quantifying the Impact of P2P File Sharing Traffic on Traditional Internet Traffic",
   author = "YaNing Liu and HongBo Wang and Yu Lin and ShiDuan Cheng",
   howpublished = "AINA",
   booktitle = "Proc. 22nd International Conference on Advanced Information Networking and Applications - Workshops",
   pages = "1428--1433",
   year = "2008",