Survey on Resources Provisioning in Cloud Systems for Cost Benefits
In Cloud computing, the information is permanently stored in servers in the internet. From there, the Cloud consumers utilize resources using Virtual Servers and they are charged based on pay-per-use basis. For this, Cloud provider offer two type of provisioning plans, namely On-demand and Reservation plan. They are also called as Short-term and Long-term planning. In general, the reservation plan has minimum cost than on-demand plan. Although the reservation offers the discounted usage price, this option could result in over provisioning and under provisioning problems due to demand uncertainty.