In this paper we analyze and compare the use of MIMO versus other metrics and in particular versus LCD for measuring the frame latency in performance testing. The main advantage of using MIMO as frame latency metric is that MIMO is more related to the performance of the switch itself. Also we show that MIMO can be aggregate and that the formulation of MIMO aggregation is very useful in understanding the contribution of each network element and their interconnections in the total frame latency.

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