International Journal of Advance Computational Engineering and Networking (IJACEN)
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Statistics report
Sep. 2020
Submitted Papers : 80
Accepted Papers : 10
Rejected Papers : 70
Acc. Perc : 12%
Issue Published : 90
Paper Published : 1248
No. of Authors : 3136
  Journal Paper

Paper Title
Workload Multivariate Prediction by Vector Autoregressive and The Stacked LSTM Models

In cloud computing services, Infrastructure as a service (IaaS) is a service model that provides virtual computing resources in the form of hardware, networking, and storage services to the end users as needed in an elastic manner. However, cloud-hosting platforms introduce several minutes delay in the hardware resource allocation. The obvious solution to this issue is to predict the future need of computing resources and allocate them before being requested. This paper represents a hybrid method for predicting multivariate workload based on the Vector Autoregressive (VAR) model and the Stacked Long Short Term Memory (LSTM) model. In the proposed method, two metrics are used: CPU and memory usage, the VAR model is used to filter the linear interdependencies among the multivariate time series, and the stacked LSTM model to capture nonlinear trends in the residuals computed from the VAR model. The proposed hybrid model is compared with other hybrid predictive models: the AR-MLP model, the RNN-GRU model and the ARIMA-LSTM model. Results of experiments show superior efficacy of the proposed method over the other hybrid models. Keywords- Cloud Computing, Multivariate Workload Prediction, Vector Autoregressive, VAR, Long Short Term Memory, Stacked LSTM.

Author - Soukaina Ouhame, Youssef Hadi, Fettah Akhiat, El Hassan Elkafssaoui

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| Published on 2019-08-09
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