RedVegas: Performance improvement of TCP Vegas over heterogeneous networks

Yi Cheng Chan*, Chia Tai Chan, Yaw-Chung Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Current IP network has become the dominant paradigm for all networking environments. The significant cause of packet losses in such heterogenous networks is no longer limited to network congestion. Traditional TCP interprets every packet loss as caused by congestion which may be not the case in the current Internet. Misinterpretation of wireless random loss as an indication of network congestion results in TCP slowing down its sending rate unnecessarily. In this paper, we propose a new variant of TCP Vegas named RedVegas. By using the innate nature of Vegas and congestion indications marked by routers, RedVegas may detect random packet losses precisely. Through the packet loss differentiation, RedVegas reacts appropriately to the losses, and therefore the throughput of connection over heterogeneous networks can be significantly improved.

Original languageEnglish
Article number1284006
Pages (from-to)1672-1680
Number of pages9
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Issue number7
StatePublished - 23 Mar 2004


  • Congestion control
  • Heterogeneous networks
  • TCP Vegas
  • Transport protocol
  • Wireless networks

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