The dual flow control problem of TCP over ATM ABR services

Yuan Cheng Lai*, Ying-Dar Lin, Hsiu Fen Hung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this paper, we investigate the dual control problem - TCP flow control at the TCP layer and ABR flow control at the ATM layer. First, we observe that TCP flow control and ABR flow control cannot co-operate well. The worst case is that the slow start after packet loss causes high but unused ACR (Allowed Cell Rate) which raises the potential of cell loss and an underflowed switch queue which reduces ABR throughput. We suggest to implement a use-it-or-lose-it policy for ABR and fast recovery for TCP to avoid these phenomena.

Original languageEnglish
Pages (from-to)309-319
Number of pages11
JournalInternational Journal of Communication Systems
Issue number4
StatePublished - 1 Jan 1999


  • ABR
  • ATM
  • Flow control
  • TCP

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