org.cloudbus.cloudsim.selectionpolicies

Class VmSelectionPolicyMaximumCorrelation

java.lang.Object

org.cloudbus.cloudsim.selectionpolicies.VmSelectionPolicyMaximumCorrelation

All Implemented Interfaces:

VmSelectionPolicy

public class VmSelectionPolicyMaximumCorrelation
extends Object
implements VmSelectionPolicy

A VM selection policy that selects for migration the VM with the Maximum Correlation Coefficient (MCC) among a list of migratable VMs.

If you are using any algorithms, policies or workload included in the power package please cite the following paper:

• Anton Beloglazov, and Rajkumar Buyya, "Optimal Online Deterministic Algorithms and Adaptive Heuristics for Energy and Performance Efficient Dynamic Consolidation of Virtual Machines in Cloud Data Centers", Concurrency and Computation: Practice and Experience (CCPE), Volume 24, Issue 13, Pages: 1397-1420, John Wiley and Sons, Ltd, New York, USA, 2012

Since:

CloudSim Toolkit 3.0

Author:

Anton Beloglazov

Field Summary

Fields inherited from interface org.cloudbus.cloudsim.selectionpolicies.VmSelectionPolicy

NULL

Constructor Summary

Constructors

Constructor and Description
VmSelectionPolicyMaximumCorrelation(VmSelectionPolicy fallbackPolicy) Instantiates a new PowerVmSelectionPolicyMaximumCorrelation.

Method Summary

Modifier and Type	Method and Description
VmSelectionPolicy	getFallbackPolicy() Gets the fallback VM selection policy to be used when the Maximum Correlation policy doesn't have data to be computed.
Vm	getVmToMigrate(Host host) Gets a VM to migrate from a given host.
void	setFallbackPolicy(VmSelectionPolicy fallbackPolicy) Sets the fallback VM selection policy to be used when the Maximum Correlation policy doesn't have data to be computed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VmSelectionPolicyMaximumCorrelation

public VmSelectionPolicyMaximumCorrelation(VmSelectionPolicy fallbackPolicy)

Instantiates a new PowerVmSelectionPolicyMaximumCorrelation.

Parameters:

fallbackPolicy - the fallback policy

Method Detail

getVmToMigrate

public Vm getVmToMigrate(Host host)

Description copied from interface: VmSelectionPolicy

Gets a VM to migrate from a given host.

Specified by:

getVmToMigrate in interface VmSelectionPolicy

Parameters:

host - the host to get a Vm to migrate from

Returns:

the vm to migrate or Vm.NULL if there is not Vm to migrate

getFallbackPolicy

public VmSelectionPolicy getFallbackPolicy()

Gets the fallback VM selection policy to be used when the Maximum Correlation policy doesn't have data to be computed.

Returns:

the fallback policy

setFallbackPolicy

public final void setFallbackPolicy(VmSelectionPolicy fallbackPolicy)

Sets the fallback VM selection policy to be used when the Maximum Correlation policy doesn't have data to be computed.

Parameters:

fallbackPolicy - the new fallback policy