Discriminating Congestion Losses from Wireless Losses using Inter-Arrival Times at the Receiver

  • Authors:
  • Saad Biaz;Nitin H. Vaidya

  • Affiliations:
  • -;-

  • Venue:
  • ASSET '99 Proceedings of the 1999 IEEE Symposium on Application - Specific Systems and Software Engineering and Technology
  • Year:
  • 1999

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Abstract

We present a simple scheme which enables a TCP receiver to distinguish congestion losses from corruption losses. The scheme works in the case where the last hop to the receiver is a wireless link and has the smallest bandwidth among all links on the connection path.We added our mechanism to TCP-Reno to evaluate the performance improvement. We compared our scheme against Ideal TCP-Reno which is TCP-Reno that can perfectly (but artificially) distinguish between congestion losses and wireless transmission losses. Under favorable conditions, our scheme performs similar to Ideal TCP-Reno and can lead to significative throughput improvement.