org.cloudbus.cloudsim.network.switches

Class AggregateSwitch

java.lang.Object

org.cloudbus.cloudsim.core.CloudSimEntity

org.cloudbus.cloudsim.network.switches.AbstractSwitch

org.cloudbus.cloudsim.network.switches.AggregateSwitch

All Implemented Interfaces:

Cloneable, Comparable<SimEntity>, Runnable, Identifiable, Nameable, SimEntity, Switch

public class AggregateSwitch
extends AbstractSwitch

This class represents an Aggregate Switch in a Datacenter network. It interacts with other Datacenter in order to exchange packets.

Please refer to following publication for more details:

• Saurabh Kumar Garg and Rajkumar Buyya, NetworkCloudSim: Modelling Parallel Applications in Cloud Simulations, Proceedings of the 4th IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2011, IEEE CS Press, USA), Melbourne, Australia, December 5-7, 2011.

Since:

CloudSim Toolkit 1.0

Author:

Saurabh Kumar Garg, Manoel Campos da Silva Filho

Nested Class Summary

Nested classes/interfaces inherited from interface org.cloudbus.cloudsim.core.SimEntity

SimEntity.State

Field Summary

Fields

Modifier and Type	Field and Description
static long	DOWNLINK_BW Default downlink bandwidth of AggregateSwitch in Megabits/s.
static int	LEVEL The level (layer) of the switch in the network topology.
static int	PORTS Default number of aggregation switch ports that defines the number of EdgeSwitch that can be connected to it.
static double	SWITCHING_DELAY Default delay of AggregateSwitch in milliseconds.

Fields inherited from interface org.cloudbus.cloudsim.network.switches.Switch

NULL

Constructor Summary

Constructors

Constructor and Description
AggregateSwitch(CloudSim simulation, NetworkDatacenter dc) Instantiates a Aggregate AbstractSwitch specifying the Datacenter that are connected to its downlink and uplink ports and corresponding bandwidths.

Method Summary

Modifier and Type	Method and Description
int	getLevel() Gets the level (layer) of the Switch in the network topology, depending if it is a root switch (layer 0), aggregate switch (layer 1) or edge switch (layer 2)
protected void	processPacketDown(SimEvent evt) Sends a packet to Datacenter connected through a downlink port.
protected void	processPacketUp(SimEvent evt) Sends a packet to Datacenter connected through a uplink port.

Methods inherited from class org.cloudbus.cloudsim.network.switches.AbstractSwitch

addPacketToBeSentToFirstUplinkSwitch, addPacketToSendToDownlinkSwitch, addPacketToSendToHost, addPacketToSendToUplinkSwitch, bandwidthByPacket, downlinkTransferDelay, getDatacenter, getDownlinkBandwidth, getDownlinkSwitches, getDownlinkSwitchPacketList, getHostPacketList, getPorts, getSwitchingDelay, getUplinkBandwidth, getUplinkSwitches, getUplinkSwitchPacketList, getVmEdgeSwitch, getVmHost, packetTransferDelay, processEvent, processHostPacket, setDatacenter, setDownlinkBandwidth, setPorts, setSwitchingDelay, setUplinkBandwidth, shutdown, startInternal, uplinkTransferDelay

Methods inherited from class org.cloudbus.cloudsim.core.CloudSimEntity

cancelEvent, clone, compareTo, equals, getId, getName, getNextEvent, getNextEvent, getShutdownTime, getSimulation, getStartTime, getState, hashCode, isAlive, isFinished, isStarted, pause, run, run, schedule, schedule, schedule, schedule, schedule, schedule, scheduleFirst, scheduleFirst, scheduleFirstNow, scheduleFirstNow, scheduleNow, scheduleNow, selectEvent, send, send, sendNow, sendNow, setEventBuffer, setId, setName, setSimulation, setState, start, waitForEvent

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.cloudbus.cloudsim.core.SimEntity

getShutdownTime, getSimulation, getStartTime, getState, isAlive, isFinished, isStarted, run, schedule, schedule, schedule, schedule, schedule, schedule, schedule, setName, setSimulation, setState, start

Methods inherited from interface org.cloudbus.cloudsim.core.Nameable

getName

Methods inherited from interface org.cloudbus.cloudsim.core.Identifiable

getId

Methods inherited from interface java.lang.Comparable

compareTo

Field Detail

LEVEL

public static final int LEVEL

The level (layer) of the switch in the network topology.

See Also:

Constant Field Values

SWITCHING_DELAY

public static final double SWITCHING_DELAY

Default delay of AggregateSwitch in milliseconds.

See Also:

Constant Field Values

DOWNLINK_BW

public static final long DOWNLINK_BW

Default downlink bandwidth of AggregateSwitch in Megabits/s. It also represents the uplink bandwidth of connected edge Datacenter.

See Also:

Constant Field Values

PORTS

public static final int PORTS

Default number of aggregation switch ports that defines the number of EdgeSwitch that can be connected to it.

See Also:

Constant Field Values

Constructor Detail

AggregateSwitch

public AggregateSwitch(CloudSim simulation,
                       NetworkDatacenter dc)

Instantiates a Aggregate AbstractSwitch specifying the Datacenter that are connected to its downlink and uplink ports and corresponding bandwidths.

Parameters:

simulation - The CloudSim instance that represents the simulation the Entity is related to

dc - The Datacenter where the switch is connected to

Method Detail

processPacketDown

protected void processPacketDown(SimEvent evt)

Description copied from class: AbstractSwitch

Sends a packet to Datacenter connected through a downlink port.

Overrides:

processPacketDown in class AbstractSwitch

Parameters:

evt - Event/packet to process

processPacketUp

protected void processPacketUp(SimEvent evt)

Description copied from class: AbstractSwitch

Sends a packet to Datacenter connected through a uplink port.

Overrides:

processPacketUp in class AbstractSwitch

Parameters:

evt - Event/packet to process

getLevel

public int getLevel()

Description copied from interface: Switch

Gets the level (layer) of the Switch in the network topology, depending if it is a root switch (layer 0), aggregate switch (layer 1) or edge switch (layer 2)

Returns:

the switch network level