Server Consolidation: An Approach to make Data Centers Energy Efficient and Green
Mueen Uddin, Azizah Abdul Rahman

TL;DR
This paper discusses how server consolidation through virtualization can significantly improve energy efficiency in data centers by increasing server utilization and reducing energy waste, thereby supporting greener IT infrastructure.
Contribution
It introduces a virtualization-based server consolidation approach that boosts server utilization from 5-10% to 50%, significantly reducing energy consumption and costs.
Findings
Server utilization increases up to 50% with consolidation.
Energy savings are substantial due to reduced server count.
Supports green data center initiatives.
Abstract
Data centers are the building blocks of IT business organizations providing the capabilities of centralized repository for storage, management, networking and dissemination of data. With the rapid increase in the capacity and size of data centers, there is a continuous increase in the demand for energy consumption. These data centers not only consume a tremendous amount of energy but are riddled with IT inefficiencies. All data center are plagued with thousands of servers as major components. These servers consume huge energy without performing useful work. In an average server environment, 30% of the servers are "dead" only consuming energy, without being properly utilized. Their utilization ratio is only 5 to 10 percent. This paper focuses on the use of an emerging technology called virtualization to achieve energy efficient data centers by providing a solution called server…
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