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RM-CDV: RM-Cell Delay Variation

RM-Cell Delay Variation (RM-CDV) is the variation in RM-cell transfer delay (RM-CTD) of RM cells associated with a given traffic load, orientation and distribution, as well as an integration period. RM-CDV = max (RM-CTD) - min (RM-CTD) where max and min indicate the maximum and minimum over the integration period, respectively. RM-CDV is a component of RM-cell transfer delay, induced by buffering and RM-cell scheduling. RM-CDV effects the time required to notify the source of a change in the condition of the network. This in turn effects TCP round trip time calculations. Large values of RM-CDV will adversely effect TCP throughput and cause SAR timeout.

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RM-CDV: RM-Cell Delay Variation