Evolvable fuzzy system for ATM cell scheduling

  • Authors:
  • J. H. Li;M. H. Lim

  • Affiliations:
  • School of EEE, Nanyang Technological University, Singapore;School of EEE, Nanyang Technological University, Singapore

  • Venue:
  • ICES'03 Proceedings of the 5th international conference on Evolvable systems: from biology to hardware
  • Year:
  • 2003

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Abstract

In this paper, we propose an evolvable fuzzy system for ATM cell scheduling. When the scenarios of cell flows in an ATM network change dramatically, traditional scheduling algorithms, first-in-first-out (FIFO) and static priority, which employ static switching scheme may see their efficiency deteriorate. An alternative is to use dynamically weighted priority, which changes the priority based on the cell delay. Still, the algorithm per se is fixed and on the hardware level, nothing changes. Our goal in this paper is to achieve hardware adaptability and demonstrate its applicability in ATM switching. To do this, we proposed an evolvable fuzzy system [1]. With evolvable fuzzy system (EFS), the system undergoes transformation in response to changes in the cell patterns in order to maintain operational efficiency. We envisage that such a system is potentially useful for demanding real-time dynamic control applications.