TY - JOUR ID - TI - Using Ideal Time Horizon for Energy Cost Determination AU - Arwa Sahib Abdalzahra AU - Hadeel W. Abdulwahid AU - Raed Abdulkareem Hasan PY - 2021 VL - 2 IS - 1 SP - 9 EP - 13 JO - Iraqi Journal for Computer Science and Mathematics المجلة العراقية لعلوم الحاسبات والرياضيات SN - 27887421 AB - In most optimal VM placement algorithms, the first step to determine the proper time horizon, Tfor the prediction of the expected maximum future load, L. However, T is dependent on the proper knowledge of therequired time for servers to switch from their initial SLEEP/ACTIVE state to the next desired state. The activitiesimplemented by this policy are (a) to relocate the VM from an encumbered server, a server that operates in anundesirably high regime with applications forecasted to rise their burdens to compute in the subsequent reallocationcycles; (b) to conduct VM migration from servers that operate within the undesirable regime to shift the server toa SLEEP mode; (c) putting an idle server to SLEEP mode and rebooting the servers from the SLEEP mode at highcluster loads. A novel mechanism for forwarding arriving client desires to the utmost suitable server is implemented;thus, in the complete system, balancing the requested load is possible

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