Credit-based flow control for ATM networks: credit update protocol, adaptive credit allocation and statistical multiplexing

  • Authors:
  • H. T. Kung;Trevor Blackwell;Alan Chapman

  • Affiliations:
  • Division of Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA;Division of Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA and Bell-Northern Research, P.O. Box 3511, Station C, Ottawa, Ontario K1Y 4H7, Canada;Bell-Northern Research, P.O. Box 3511, Station C, Ottawa, Ontario K1Y 4H7, Canada

  • Venue:
  • SIGCOMM '94 Proceedings of the conference on Communications architectures, protocols and applications
  • Year:
  • 1994

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Abstract

This paper presents three new results concerning credit-based flow control for ATM networks: (1) a simple and robust credit update protocol (CUP) suited for relatively inexpensive hardware/software implementation; (2) automatic adaptation of credit buffer allocation for virtual circuits (VCs) sharing the same buffer pool; (3) use of credit-based flow control to improve the effectiveness of statistical multiplexing in minimizing switch memory. These results have been substantiated by analysis, simulation and implementation.