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A Virtual Machine Consolidation Algorithm Based on Dynamic Load Mean and Multi-Objective Optimization in Cloud

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This study introduces a new approach for virtual machine (VM) consolidation in cloud data centers. The DLMM-VMC method optimizes energy use and resource allocation while ensuring quality of service (QoS).

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Area of Science:

  • Cloud Computing
  • Data Center Optimization
  • Resource Management

Background:

  • Cloud data centers face challenges with high energy consumption and inefficient resource utilization.
  • Existing virtual machine (VM) consolidation strategies often prioritize energy savings over other critical factors like Quality of Service (QoS).
  • Over-consolidation of VMs can lead to Service Level Agreement violations (SLAv).

Purpose of the Study:

  • To develop an effective VM consolidation approach that balances multiple objectives.
  • To minimize power consumption, resource waste, migration overhead, and network communication overhead.
  • To ensure Quality of Service (QoS) and prevent Service Level Agreement violations (SLAv).

Main Methods:

  • Proposed a VM consolidation approach named DLMM-VMC (dynamic load mean and multi-objective optimization).
  • Developed a host load detection algorithm using dynamic load mean for objective host status evaluation.
  • Utilized a multi-objective optimization model and an optimized ant colony algorithm to find the best consolidation solution.

Main Results:

  • The DLMM-VMC approach significantly improved energy consumption and resource utilization.
  • Demonstrated substantial reductions in resource waste, migration overhead, and network communication overhead.
  • Effectively ensured Quality of Service (QoS) and minimized Service Level Agreement violations (SLAv) compared to existing methods.

Conclusions:

  • DLMM-VMC provides a comprehensive solution for VM consolidation, addressing multiple optimization goals simultaneously.
  • The proposed method benefits both cloud service providers and users by optimizing performance and resource efficiency.
  • DLMM-VMC represents a significant advancement in cloud data center management and optimization.