Ping-pong flow control for ATM ABR traffic

Cheng-Yuan Ku*, Lain Chyr Hwang, Hsin Tzung Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


In this paper, we propose an improved technique for congestion control, named as ping-pong flow control (PPFC), for asynchronous transfer mode (ATM) available bit rate (ABR) traffic. This is a rate-based flow control scheme, in which the rate regulation is achieved by directly adjusting the transmission rate in the source end station. The proposed algorithm uses a bipolar feedback strategy, which employs positive and negative feedbacks to control the transmission rate for different switch states. These states are determined using the traditional threshold-based method. We also introduce state early detection (SED), which enables the PPFC to control traffic flows more precisely and accurately at critical moments. The simulation results show that the proposed algorithm provides a higher throughput and lower cell loss ratio when compared to the well-known backward explicit congestion notification (BECN). Furthermore, these results also show that PPFC is robust against feedback losses.

Original languageEnglish
Pages (from-to)515-528
Number of pages14
JournalComputer Standards and Interfaces
Issue number5
StatePublished - 1 Sep 2003


  • ABR
  • ATM
  • Bipolar feedback
  • Ping-pong flow control
  • QoS
  • State early detection


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