Simple Fairness Protocols for Daisy Chain Interconnects

  • Authors:
  • Wladek Olesinski;Hans Eberle;Nils Gura;Bob Dickson;Aron Silverton;Sumti Jairath;Peter Yakutis

  • Affiliations:
  • -;-;-;-;-;-;-

  • Venue:
  • HOTI '09 Proceedings of the 2009 17th IEEE Symposium on High Performance Interconnects
  • Year:
  • 2009

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Abstract

In this paper, we focus on fair access to bandwidth in daisy-chained interconnects. We first analyze the original HyperTransport fairness protocol and show that it is not perfectly fair. We then propose a new, fair scheme whose complexity is similar to that of the HyperTransport protocol.