Efficient Randomized Algorithms for Input-Queued Switch Scheduling

  • Authors:
  • Devavrat Shah;Paolo Giaccone;Balaji Prabhakar

  • Affiliations:
  • -;-;-

  • Venue:
  • IEEE Micro
  • Year:
  • 2002

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Abstract

High-performance schedulers for input-queued (IQ) switches must find, for each time slot, a good matching between inputs and outputs to transfer packets. At high line rates or for large switches, finding good matchings is complicated. A suite of randomized algorithms for switch scheduling provides performance comparable to that of well-known, effective matching algorithms, yet is simple to implement.