gridsim-users — For general queries and feedbacks

[GridSim-users] GridBroker

[Ramprasad.G <ram...@gm...>]

i understand that gridbroker package has been discontinued,
but i would like to know the necessary changes needed to make
"gridbroker.Example" run on Gridsim 5

please can anyone list the changes required

-- 
from Ramprasad.G

Re: [GridSim-users] Example of Visualizer usage

[Marcos D. de A. <ass...@ac...>]

Hi Dalibor,

The interface is to visualise the allocation actions triggered by the
scheduler (i.e. allocation policy). Hence, the allocation policy
creates action objects that are forwarded to the interface currently
in use. GridSim loads a default visualiser, but it would be possible
to plug a different visualiser if you need. Examples are given on how
the use the policies that already use the interface, such as the
aggressive backfilling and conservative backfilling, but I agree that
no examples are given on how to extend the interface.

Cheers,

Marcos


2009/10/15 Dalibor Klusacek <xk...@fi...>:
> Hi guys,
>
> I've just downloaded the new 5beta release and found the new
> visualization capability based on the PajFit tool.
> Sadly, I did not found any example of how to use it. By searching the
> source codes it seems to me that it is "hard-coced" in the classes
> containing the new alloc policies. Am I right? That's all?
> So if I use e.g., AggressiveBackfill class as an alloc policy, it will
> show a visualization? No other setup needed?
>
> Thanks,
>
> Dalibor
>
> ------------------------------------------------------------------------------
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> _______________________________________________
> Gridsim-users mailing list
> Gri...@li...
> https://lists.sourceforge.net/lists/listinfo/gridsim-users
>

[GridSim-users] how to optimize scheduling

[Ramprasad.G <ram...@gm...>]

I want to optimize the scheduling of gridlets to different resources.(for
eg: minimize cost/time)
the gridbroker (in gridsim 2.1) seems to have done the same thing, however
its not been implemented for newer versions.
can anyone tell me how to do the same with newer versions.
(i basically want to know the load on each resource after i submit a
gridlet, so that i can optimize the next gridlet)

[GridSim-users] I have some questions...

[Roohollah G. <866...@ee...>]

In the name of GOD, the Merciful 


Hello 
Dear Friends, 

I have some problems about gridsim. I hope there were someone to help me: 

1. What’s the “seed”? And what is “11L*13*17*19*23+1” that 
“seed” was 
equaled to? 

2. How can I set time and budget constraints for gridlets? 

3. How can I define time distribution for gridlets, e.g. Poisson 
distribution arrival time for receiving gridlets? 

4. What’s the difference between “length” and “file_size” for 
gridlets? 

5. What are the dimensions of “length”, “file_size” and 
“output_size”? 
Are them in Megabytes, Kilobytes or else? 

6. What’s the meaning of “peakLoad”, “offPeakLoad” and 
“holidayLoad”? 
Are them the exact load of these times for all days or these are average 
load? How should I set them? 

7. How about “Holidays”? How can I set them? Should I set them as date 
like 9/2/2010 or in other way? 


Sincerely 
Rouhollah Golmohammadi 

Re: [GridSim-users] Problems with communications

[Héctor B. de F. <hec...@di...>]

I designed the environment as a node of a multicluster corresponds to a
unique GridResource, which has only one PE. For example, If I have 100
nodes, I have 100 GridRresources, so I think it is not problem of the
allocation policy, as I'm assigning the gridlets to the nodes specifically
I want.

The coomunications works in this manner: When a GridResource receives a
communication request from the user, it pauses the execution of its
Gridlet. It will resume the gridlet when he have received the responses of
the GridResources which it is communicating. This is done at the
beginning, so the big part of the execution (processing) is done after the
communications part.

Resuming the story of the general problem, the processing execution time
is correct. The part that does not have a correct behavior is related to
the communications.

Hector.

> If I did get your question right I think you need to check how the
> resources deals with your gridlet,
> does the execution pause while the communication is going on or does the
> resource complete the
> execution and sends the gridlet output before sending the packets,
> resources use the FCFS so you
> need to be clear on that
>
>  Dibbydon
>
>
>
>
> ________________________________
> From: Héctor Blanco de Frutos <hec...@di...>
> To: gri...@li...
> Sent: Sun, November 1, 2009 10:23:23 PM
> Subject: [GridSim-users] Problems with communications
>
> Hello.
> Finally I have adapted GridSim to simulate a multicluster environment, and
> implemented some kind of communications between nodes. But, I have a
> problems with the behavior of it. The working model is at follows: The
> user sends a gridlet to every of the required gridresources (working as an
> unique node, meaning that one resource has only one PE), and immediatelly,
> the user sends a notification to the nodes, with the order to communicate
> with the res of the nodes. Then, every one sends a big packet (20-40 MB)
> to the others.
> While the nodes are transmitting, they pause the execution of its gridlet,
> to simmulate a blocking communication of the nodes.
> All seems to work well, until I read the execution time of the gridlets.
> If we have for example two clusters, one with a 100mbps channel, and the
> other with 100mbps, the gridlets last (for example) 1000 seconds to
> finnish. But If I change the channels to (for example, this combination):
> 100mbps, and 10mbps, the finnish time of the gridlets last the same. This
> not changes until I reduce even more the BW of one of the channels, to
> 100mbps and 1mbps. These ranges of BW have not much sense as, changing to
> 100mbps and 20mbps has no real impact on it. I revised the event traces,
> and all seems correct. Only the finnish time seems to do strange things.
>
> I use RIPRouter, Simplelink, and FIFOScheduler as the network elements.
> and the topology is the following: a main router, where the user and the
> clusters (with a router for every cluster) are connected to it. The
> gridresources are connected to the router of its corresponding cluster.
>
> Anyone has a idea of why the simulation has its strange behavior? Maybe
> I'm doing something incorrectly, but in one week revising the code and the
> network examples I can't figure which is the problem.
>
> Sorry for a too big message, but I wanted to give as much detail as
> possible.
>
>
> Best regards,
>
> Hector.
>
> --------------------------------------------
> Hector Blanco de Frutos
>
> Dept. d'Informàtica i Enginyeria Industrial
> Escola Politècnica Superior
> Universitat de Lleida
> --------------------------------------------
>
>
> ------------------------------------------------------------------------------
> Come build with us! The BlackBerry(R) Developer Conference in SF, CA
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> developing skills, take BlackBerry mobile applications to market and stay
> ahead of the curve. Join us from November 9 - 12, 2009. Register now!
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>
>
>


--------------------------------------------
Hector Blanco de Frutos

Dept. d'Informàtica i Enginyeria Industrial
Escola Politècnica Superior
Universitat de Lleida
C/ Jaume II, núm. 69
25001 Lleida

http://www: http://gcd.udl.cat
http://www.neopontec.com

email: hec...@di...

Tel: +34 973 702 730
Fax: +34 973 702 702
--------------------------------------------

[GridSim-users] Problems with communications

[Héctor B. de F. <hec...@di...>]

Hello.
Finally I have adapted GridSim to simulate a multicluster environment, and
implemented some kind of communications between nodes. But, I have a
problems with the behavior of it. The working model is at follows: The
user sends a gridlet to every of the required gridresources (working as an
unique node, meaning that one resource has only one PE), and immediatelly,
the user sends a notification to the nodes, with the order to communicate
with the res of the nodes. Then, every one sends a big packet (20-40 MB)
to the others.
While the nodes are transmitting, they pause the execution of its gridlet,
to simmulate a blocking communication of the nodes.
All seems to work well, until I read the execution time of the gridlets.
If we have for example two clusters, one with a 100mbps channel, and the
other with 100mbps, the gridlets last (for example) 1000 seconds to
finnish. But If I change the channels to (for example, this combination):
100mbps, and 10mbps, the finnish time of the gridlets last the same. This
not changes until I reduce even more the BW of one of the channels, to
100mbps and 1mbps. These ranges of BW have not much sense as, changing to
100mbps and 20mbps has no real impact on it. I revised the event traces,
and all seems correct. Only the finnish time seems to do strange things.

I use RIPRouter, Simplelink, and FIFOScheduler as the network elements.
and the topology is the following: a main router, where the user and the
clusters (with a router for every cluster) are connected to it. The
gridresources are connected to the router of its corresponding cluster.

Anyone has a idea of why the simulation has its strange behavior? Maybe
I'm doing something incorrectly, but in one week revising the code and the
network examples I can't figure which is the problem.

Sorry for a too big message, but I wanted to give as much detail as possible.


Best regards,

Hector.

--------------------------------------------
Hector Blanco de Frutos

Dept. d'Informàtica i Enginyeria Industrial
Escola Politècnica Superior
Universitat de Lleida
--------------------------------------------

[GridSim-users] Regarding Gridsim doubts/queries

[JAYA S. <sud...@ya...>]

Hello Sir/Madam,
 
I am a Phd Scholar. My name is Jayasudha.  Shall I post my doubts and queries regarding GridSim to this mail id?
 
Kindly, regard this mail as a Test mail !!
 
Please respond........
 
Regards
Jayasudha


      Add whatever you love to the Yahoo! India homepage. Try now! http://in.yahoo.com/trynew

[GridSim-users] Asynchronous submission of gridlets

[Ramprasad.G <ram...@gm...>]

How an user can submit gridlets asynchronously. i.e. starting the second
request without wating for the completion of the first.Is such a thing
possible or not?

[GridSim-users] question about Resource

[lijiang <riv...@ho...>]

hallo,everybody,

 

I have a question about resource in GridSim . I want to change the performance of resources during the simulation. For example: i have a resource with 5 machines, and i hope this resource can be increased to 10 machines or decreased to 3 machines during the simulation. Can anybody tell me, how can i do it.
 

Thanks a lot,


Jiang

 

 
 		 	   		  
_________________________________________________________________
全新 Windows 7：寻找最适合您的 PC。了解详情。
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Re: [GridSim-users] Contents of Gridsim-users digest to subscribe my email to user and developer mailling list.

[THANAWUT T. <tha...@gm...>]

2009/10/21 <gri...@li...>

> Send Gridsim-users mailing list submissions to
>        gri...@li...
>
> To subscribe or unsubscribe via the World Wide Web, visit
>        https://lists.sourceforge.net/lists/listinfo/gridsim-users
> or, via email, send a message with subject or body 'help' to
>        gri...@li...
>
> You can reach the person managing the list at
>        gri...@li...
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Gridsim-users digest..."
>
>
> Today's Topics:
>
>   1. Resource workload (innocent dibia)
>   2. question about resourceWithFailure (lijiang)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 15 Oct 2009 17:48:32 -0700 (PDT)
> From: innocent dibia <dib...@ya...>
> Subject: [GridSim-users] Resource workload
> To: gri...@li...
> Message-ID: <829...@we...>
> Content-Type: text/plain; charset="us-ascii"
>
>
>
> Please I am trying to implement a resource allocation policy that assigns
> jobs to resources with the lowest workloads
> please how can I get the workloads of the resources and secondly how do I
> assign the jobs as they belong to different users
> Kindly help urgently
> thanks
>
>
>
> -------------- next part --------------
> An HTML attachment was scrubbed...
>
> ------------------------------
>
> Message: 2
> Date: Wed, 21 Oct 2009 00:49:47 +0200
> From: lijiang <riv...@ho...>
> Subject: [GridSim-users] question about resourceWithFailure
> To: <gri...@li...>
> Message-ID: <SNT...@ph...l>
> Content-Type: text/plain; charset="gb2312"
>
>
> hi, everyone,
>
>
>
> I have read the codes of Example ResFailure.example01~ResFailure.example03.
> All of the configuration about Failured Resource is produced with Random
> from "HyperExponential".  I want not to set random failured resources, but a
> failured resource with an fixed ID. How can I do it?
>
>
>
> By the way, can anybody tell me something about the 3 parameters of Klasse
> " HyperExponential". In example there is "HyperExponential
> failureNumResPattern =
> new HyperExponential(totalMachines / 2, totalMachines, 4);"  What do these
> 3 parameters mean?
>
>
>
> thanks a lot
>
>
>
> Jiang
>
> _________________________________________________________________
> Messenger??????????????????Messenger???
> http://im.live.cn/safe/
> -------------- next part --------------
> An HTML attachment was scrubbed...
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>
>
> ------------------------------------------------------------------------------
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> is the only developer event you need to attend this year. Jumpstart your
> developing skills, take BlackBerry mobile applications to market and stay
> ahead of the curve. Join us from November 9 - 12, 2009. Register now!
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[GridSim-users] question about resourceWithFailure

[lijiang <riv...@ho...>]

hi, everyone,

 

I have read the codes of Example ResFailure.example01~ResFailure.example03. All of the configuration about Failured Resource is produced with Random from "HyperExponential".  I want not to set random failured resources, but a failured resource with an fixed ID. How can I do it?

 

By the way, can anybody tell me something about the 3 parameters of Klasse " HyperExponential". In example there is "HyperExponential failureNumResPattern =
new HyperExponential(totalMachines / 2, totalMachines, 4);"  What do these 3 parameters mean?

 

thanks a lot

 

Jiang
 		 	   		  
_________________________________________________________________
Messenger安全保护中心，免费修复系统漏洞，保护Messenger安全！
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[GridSim-users] Resource workload

[innocent d. <dib...@ya...>]

Please I am trying to implement a resource allocation policy that assigns jobs to resources with the lowest workloads 
please how can I get the workloads of the resources and secondly how do I assign the jobs as they belong to different users
Kindly help urgently
thanks


      

[GridSim-users] Resource work

[innocent d. <dib...@ya...>]

 Please I am trying to implement a resource allocation policy that assigns jobs to resources with the lowest workloads 
please how can I get the workloads of the resources and secondly how do I assign the jobs as they belong to different users
Kindly help urgently
thanks


      

[GridSim-users] resource workload

[innocent d. <dib...@ya...>]

hello,

please how can I get the workload of the individual resources in my simulation.
please help.

 Dibbydon



      

Re: [GridSim-users] Visualizator problem

[Marcos D. de A. <mar...@gm...>]

Hi Dalibor,

thanks for pointing out that problem.

The problem is that the file does not exist in the jar; that is, the ant 
build.xml file was not including the gui.properties file in the jar. 
Please use the build.xml that is attached to this e-mail to generate the 
jars again. After that, the example should work by invoking:

java -cp $GRIDSIM/gridsim.jar:. parallel.agressive.ExampleEASY01 
$GRIDSIM/examples/parallel/sdsc_blue_01.txt

Regards,

Marcos



Dalibor Klusacek wrote:
> Hi,
>
> I've been trying to run the visualization but I am still getting an 
> Exception:
>
> Exception in thread "main" java.lang.ExceptionInInitializerError
>         at gridsim.GridSim.startGridSimulation(Unknown Source)
>         at traceexample.Main.main(Main.java:124)
> Caused by: java.lang.NullPointerException
>         at java.util.Properties$LineReader.readLine(Properties.java:418)
>         at java.util.Properties.load0(Properties.java:337)
>         at java.util.Properties.load(Properties.java:325)
>         at 
> gridsim.parallel.gui.GUISettings.loadDefaultProperties(Unknown Source)
>         at gridsim.parallel.gui.GUISettings.<init>(Unknown Source)
>         at gridsim.parallel.gui.GUISettings.getInstance(Unknown Source)
>         at gridsim.parallel.gui.AbstractVisualizer.<clinit>(Unknown Source)
>         ... 2 more
> Java Result: 1
>
> Clearly the GUISettings class cannot load the "gui.properties" file 
> properly.
> I am not quite sure where to put this gui.properties file. Since it is 
> expected to be at: DEF_PATH = "gridsim/parallel/gui/gui.properties"
> I tried to create such directory in my project folder, but it did not 
> work. Weird thing is that if I tried to open it via FileReader on my 
> own, everything went just fine, so I suppose wrong path was not the problem.
> I am using gridsim as a .jar library, which I include into my (Netbeans) 
> project.
>
> The visualization is invoked through GridSim.startGridSimulation(true); 
> command and by using AggressiveBackfill alloc policy.
>
> I think that my problem will be solved by moving the gui.properties file 
> somewhere else - please tell me where?
> Or the best solution would be - show me a simple code that runs the 
> visualization :-)
>
> Thanks,
>
> Dalibor
>
> ------------------------------------------------------------------------------
> Come build with us! The BlackBerry(R) Developer Conference in SF, CA
> is the only developer event you need to attend this year. Jumpstart your
> developing skills, take BlackBerry mobile applications to market and stay 
> ahead of the curve. Join us from November 9 - 12, 2009. Register now!
> http://p.sf.net/sfu/devconference
> _______________________________________________
> Gridsim-users mailing list
> Gri...@li...
> https://lists.sourceforge.net/lists/listinfo/gridsim-users
>   

[GridSim-users] Visualizator problem

[Dalibor K. <xk...@fi...>]

Hi,

I've been trying to run the visualization but I am still getting an 
Exception:

Exception in thread "main" java.lang.ExceptionInInitializerError
        at gridsim.GridSim.startGridSimulation(Unknown Source)
        at traceexample.Main.main(Main.java:124)
Caused by: java.lang.NullPointerException
        at java.util.Properties$LineReader.readLine(Properties.java:418)
        at java.util.Properties.load0(Properties.java:337)
        at java.util.Properties.load(Properties.java:325)
        at 
gridsim.parallel.gui.GUISettings.loadDefaultProperties(Unknown Source)
        at gridsim.parallel.gui.GUISettings.<init>(Unknown Source)
        at gridsim.parallel.gui.GUISettings.getInstance(Unknown Source)
        at gridsim.parallel.gui.AbstractVisualizer.<clinit>(Unknown Source)
        ... 2 more
Java Result: 1

Clearly the GUISettings class cannot load the "gui.properties" file 
properly.
I am not quite sure where to put this gui.properties file. Since it is 
expected to be at: DEF_PATH = "gridsim/parallel/gui/gui.properties"
I tried to create such directory in my project folder, but it did not 
work. Weird thing is that if I tried to open it via FileReader on my 
own, everything went just fine, so I suppose wrong path was not the problem.
I am using gridsim as a .jar library, which I include into my (Netbeans) 
project.

The visualization is invoked through GridSim.startGridSimulation(true); 
command and by using AggressiveBackfill alloc policy.

I think that my problem will be solved by moving the gui.properties file 
somewhere else - please tell me where?
Or the best solution would be - show me a simple code that runs the 
visualization :-)

Thanks,

Dalibor

[GridSim-users] please help

[innocent d. <dib...@ya...>]

Hello

Please how can I get the resource utilization capacity or current workload of any resource at run time. 
using the Gridsim. I want to allocate jobs based on the utilization of workload, please how can I achieve this
Kindly assist please.



      

[GridSim-users] Example of Visualizer usage

[Dalibor K. <xk...@fi...>]

Hi guys,

I've just downloaded the new 5beta release and found the new 
visualization capability based on the PajFit tool.
Sadly, I did not found any example of how to use it. By searching the 
source codes it seems to me that it is "hard-coced" in the classes 
containing the new alloc policies. Am I right? That's all?
So if I use e.g., AggressiveBackfill class as an alloc policy, it will 
show a visualization? No other setup needed?

Thanks,

Dalibor

Re: [GridSim-users] Communication in Gridlets

[Marcos D. de A. <mar...@gm...>]

Hi Hector,

GridSim has some network simulation capabilities, but in the examples 
provided Gridlets do not communicate. The network features are currently 
used to: check the period required to transfer Gridlets from the 
submission point to resources where they are processed; and by the data 
Grid module to simulate transfers of files across the network.

If gridlets communicate with one another and they are executed on the 
same cluster, you could account for that in the execution time computed 
by the allocation policy at the Grid resource level. If the gridlets are 
executed across multiple sites and they communicate, then you will have 
to extend one of the allocation policies provided and implement the 
communication pattern that you need.

Kind regards,

Marcos



Hector Blanco de Frutos wrote:
>
> Hello, I have another question. This time related with communications.
>
> I have examined the documentation and some of the examples and I saw 
> no evidence of communication between Gridlets, or the tasks composing 
> a Gridlet. I’m wrong, or there is a possibility to stablish a 
> communication between two or more Gridlets?
>
> Thank you.
>
> Reagards,
>
> Hector Blanco.
>
> ------------------------------------------------------------------------
>
> ------------------------------------------------------------------------------
> Come build with us! The BlackBerry® Developer Conference in SF, CA
> is the only developer event you need to attend this year. Jumpstart your
> developing skills, take BlackBerry mobile applications to market and stay 
> ahead of the curve. Join us from November 9-12, 2009. Register now!
> http://p.sf.net/sfu/devconf
> ------------------------------------------------------------------------
>
> _______________________________________________
> Gridsim-users mailing list
> Gri...@li...
> https://lists.sourceforge.net/lists/listinfo/gridsim-users
>   

[GridSim-users] Communication in Gridlets

[Hector B. de F. <hec...@di...>]

Hello, I have another question. This time related with communications.

I have examined the documentation and some of the examples and I saw no
evidence of communication between Gridlets, or the tasks composing a
Gridlet. I'm wrong, or there is a possibility to stablish a communication
between two or more Gridlets?

 

Thank you.

 

Reagards,

 

Hector Blanco.

[GridSim-users] Fw: please help

[innocent d. <dib...@ya...>]

Help



How do I implement a User a member of two Virtual Organisation(VO) such that when the primary VO fails his job are resubmitted to the secondary VO.
Please kindly assist


      

Re: [GridSim-users] Delaying the shutdown of grid enities

[Marcos D. de A. <mar...@gm...>]

> Please how do I schedule the internal event to prevent the resources 
> from sutting down.
>  

Extend the GridResource class and its body method. In the body you 
trigger an internal event. The body of your extended resource should 
look like:

public void body() {
    // schedule an internal event with a the tag INTERNAL_EVENT_TAG
    super.sim_schedule(super.get_id(), 10.0, INTERNAL_EVENT_TAG);

    super.body();
}


Then, you implement the method processOtherEvent(Sim_event) to handle 
that internal event and dispatch a new one. The method should look like:

protected void processOtherEvent(Sim_event ev) {
        if (ev.get_tag() == INTERNAL_EVENT_TAG) {
               // schedule the new internal event with a delay of 10 
seconds with a the tag INTERNAL_EVENT_TAG
                super.sim_schedule(super.get_id(), 10.0, 
INTERNAL_EVENT_TAG);
        } else {
              super.processOtherEvent(ev);
        }
}

Regards,

Marcos

Re: [GridSim-users] Delaying the shutdown of grid enities

[Marcos D. de A. <mar...@gm...>]

Hi Innocent,

please note that the GIS entity will not shutdown the simulation until 
all user entities have called:

super.shutdownUserEntity();
super.terminateIOEntities();

Hence, the solution is to prevent user entities from invoking these 
methods before all jobs are received. You can have a loop in you user 
entities testing if all jobs have been received or not, and breaking 
from that loop and finally calling the methods above only if all jobs 
have been received. In other words, the body of your user entities 
should contain something more or less like:

Sim_event ev = new Sim_event();
while (Sim_system.running()) {
    sim_get_next(ev);

    // process the received event here, if it is a job
    // increment a counter for the jobs received
    ...
               
    // if all the Gridlets have been collected. Note that
    // nCompletedJobs is the counter with number of jobs received
    // and nSubmittedJobs is a counter with the number of jobs
    // dispatched to resources
   
    if (nCompletedJobs == nSubmittedJobs) {
        break;
    }
}

// shut down all the entities, including GridStatistics entity since
// we used it to record certain events.
shutdownGridStatisticsEntity();
shutdownUserEntity();
terminateIOEntities();

I hope the example helps.

Kind regards,

Marcos

innocent dibia wrote:
>
>  Hi Marcos,
> I am simulating a failure environment and I want to delay the GIS 
> entity from sending a grid shutdown message until all users in the 
> various GIS network has received their jobs back please how can I 
> achieve this urgently, please help
>
> thanks
>
>

[GridSim-users] Delaying the shutdown of grid enities

[innocent d. <dib...@ya...>]

 Hi Marcos,
I am simulating a failure environment and I want to delay the GIS entity from sending a grid shutdown message until all users in the various GIS network has received their jobs back please how can I achieve this urgently, please help 


thanks


      

Re: [GridSim-users] Multi-cluster simulation and co-allocation

[Hector B. de F. <hec...@di...>]

Thank you, Marcos.
Whith these answers I think that gridsim is my best choice.

Regards,

Hector Blanco.