GRIN: Utilizing the Empty Half of Full Bisection Networks

Various full bisection designs have been proposed for datacenter networks. The authors are provisioned for the worst case in which every server wishes to send flat out and there is no congestion anywhere in the network. However, these topologies are prone to considerable underutilization in the average case encountered in practice. To utilize spare bandwidth they propose GRIN, a simple, cheap and easily deployable solution that simply wires up any free ports datacenter servers may have. GRIN allows each server to use up to a maximum amount of bandwidth dependent on its available network ports and the number of idle uplinks in the same rack.
Provided by: University Politehnica of Bucharest Topic: Networking Date Added: May 2012 Format: PDF

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