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Efficient Deadline-Based QoS Algorithms for High-Performance Networks

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5 Author(s)
Martinez, A. ; Intel Barcelona Res. Center, Univ. Politec. de Catalunya, Barcelona ; Apostolopoulos, G. ; Alfaro, F.J. ; Sanchez, J.L.
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Quality of service (QoS) is becoming an attractive feature for high-performance networks and parallel machines because, in those environments, there are different traffic types, each one having its own requirements. In that sense, deadline-based algorithms can provide powerful QoS provision. However, the cost associated with keeping ordered lists of packets makes these algorithms impractical for high-performance networks. In this paper, we explore how to efficiently adapt the Earliest Deadline First family of algorithms to high-speed network environments. The results show excellent performance using just two virtual channels, FIFO queues, and a cost feasible with today's technology.

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Computers, IEEE Transactions on  (Volume:57 ,  Issue: 7 )