Flow prediction model training method, flow prediction method, device, equipment and medium
A technology for traffic forecasting and training methods, applied in the network field, can solve the problems of low traffic peak lag accuracy, etc., to achieve the effect of ensuring diversity, solving lag and low accuracy, and solving lag problems
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Embodiment 1
[0043] At present, in order to realize the prediction of traffic, gated cyclic neural network (such as LSTM, GRU, etc.) is often used as the prediction model, and the historical network traffic before the prediction time is processed by using the trained gated cyclic neural network. to get the predicted value.
[0044] However, in practical application scenarios, there are often many unexpected situations in the use of network traffic, and the stability of network traffic data changes is not strong. The problem of lag and low accuracy. For this reason, a new traffic forecasting model is provided in the embodiment of this application, which can be found in figure 1 As shown, it includes: gated recurrent neural network and fully connected network.
[0045] Among them, the input of the gated recurrent neural network is the sequence formed by the network traffic. The sequence is processed through a gated recurrent neural network, which outputs a memory state.
[0046] In the e...
Embodiment 2
[0121] On the basis of the first embodiment, this embodiment takes the LSTM network and the GRU network as examples to further illustrate the solution of the present application.
example 1
[0122] Example 1, the gated recurrent neural network is an LSTM network, including the following steps:
[0123] Step 301), aggregating the sampled original network traffic into network traffic at preset intervals to obtain a training set.
[0124] Step 302), using the "isolation forest" algorithm to detect abnormal network traffic in the training set.
[0125] Use the algorithmic formula S(x,n) = 2 –(E(h(x))) / c(n) The abnormal score corresponding to each network traffic in the training set is obtained, and it is judged whether the abnormal score is greater than the preset score threshold, so that the network traffic with the abnormal score greater than the preset score threshold is determined as abnormal network traffic.
[0126] In the embodiment of the present application, the preset score threshold may be 0.5.
[0127] After the abnormal network traffic is detected, the average value among neighbors is used to replace the detected abnormal network traffic. For example, ...
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