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In this section, we discuss our evaluation of the performance of the simple
model. We first give give some data about the performance of compression module
and network module, then discuss the experiments for data transmission with
and without compression. We will see that the simple model could give very
accurate judgment on whether or not to use compression. But we also notice
the significant difference between the predicted values and the measured
values, which we think is due to the defect of the simple model.
In Section 4, we explain the causes of the prediction
error and propose an improved model for making predictions.