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Summary: An Analysis of QoS Provisioning for Sockets Direct Protocol vs. IPoIB over
Modern InfiniBand Networks
Ryan E. Grant Mohammad J. Rashti Ahmad Afsahi
Department of Electrical and Computer Engineering
Queen's University
Kingston, ON, CANADA K7L 3N6
{ryan.grant, mohammad.rashti}@ece.queensu.ca ahmad.afsahi@queensu.ca
Abstract
The introduction of Quality of Service (QoS)
features for socket-based communication over
InfiniBand networks provides the opportunity to enact
service differentiation for traditional socket-based
applications over high performance networks for the
first time. The effectiveness of such techniques in
providing control over the quality of service that
individual connections experience is important in
managing traffic in modern data centers. In this
paper, we quantitatively analyze the performance
benefits of QoS provisioning in InfiniBand networks
for Sockets Direct Protocol (SDP) and IPoIB. We find
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