hierarchy of cloud,host,vm,cloudlet,datacenter

[apu]

hi,

what is the order or hierarchy of user,cloud,host,vm,cloudlet,datacenter?

and please tel whether

 multiple vm can be put in a host

[apu]

or a vm can contain multiple cloudlets

and how many users can be mapped to how many hosts or vms

[vatsal patel]

We can have multiple VM under same Host..

We can have multiple Cloudlet on same VM

Hierarchy may b HOST > VM > CLOUDLET > DATACENTER 

[apu]

Does a cloudlet contain a datacenter?! i thought a datacenter is a non-physical component which contains a set of hosts..
 can someone pls tel wat exactly is a DATACENTER?? . i knew tat cloudlet is like an application ..if so wat is datacenter

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[Neda Maleki]

Hi my frnd.

Datacenters is set of hosts(pc like ur computer at home or laptop), each host can be divided logicaly(using virtualization technique) into some virtual machine. so each virtual machine is like a host that has cpu,ram,....

we put our jobs or applications or cloudlets for executing in cloud datacenters. so we send a request to broker(it is responsible for handling the requests of cloud-user) to have a machine(note: we dont need whole of phisycal mache(host) we need some of it that is equal to vm), so broker give us a vm and our job=cloudlet will be execute on it.

so simple

Cheers

NEDA

[jaydeep viradiya]

hi

i am run the network example which is given in cloudsim. but i m getting the error at runtime that it can not find the .brite file and also it say's that network simulation is disabled so what i need to do to run network example.

below i have highlight the problem.

Starting NetworkExample2...
Initialising...
Topology file: topology.brite
Problem in processing BRITE file. Network simulation is disabled. Error: topology.brite (The system cannot find the file specified)
Starting CloudSim version 3.0
Datacenter_0 is starting...
Datacenter_1 is starting...
Broker is starting...
Entities started.
0.0: Broker: Cloud Resource List received with 2 resource(s)
0.0: Broker: Trying to Create VM #0 in Datacenter_0
0.0: Broker: Trying to Create VM #1 in Datacenter_0
0.1: Broker: VM #0 has been created in Datacenter #2, Host #0
0.1: Broker: VM #1 has been created in Datacenter #2, Host #0
0.1: Broker: Sending cloudlet 0 to VM #0
0.1: Broker: Sending cloudlet 1 to VM #1
160.1: Broker: Cloudlet 0 received
160.1: Broker: Cloudlet 1 received
160.1: Broker: All Cloudlets executed. Finishing...
160.1: Broker: Destroying VM #0
160.1: Broker: Destroying VM #1
Broker is shutting down...
Simulation: No more future events
CloudInformationService: Notify all CloudSim entities for shutting down.
Datacenter_0 is shutting down...
Datacenter_1 is shutting down...
Broker is shutting down...
Simulation completed.
Simulation completed.