ndt-users list created

[Richard Carlson <>]

Hi Jordi;

Thanks for the information and the patch, and sorry for the delayed reply.

To answer your original question, the tar file "ndt-3.1.4b.tar.gz" is the 
latest code.  The CVS repository on sourceforge is out of date right 
now.  There are some internal problems that have kept me from updating the 
CVS repository.  Hopefully these problems will get resolved soon and the 
repository files will get updated.

Best Regards;
Rich Carlson
NDT Developer.

At 05:23 PM 12/6/2005, Jordi Bosch wrote:
> Well i think i've found the cause.
> It's related to the fact that this is a server without internet conection. 
> I'm using this configuration because i'm evaluating the NDT software.When 
> conected to internet and runnig the test from a remote client, the problem 
> doesn't appear.
> Simply, using a very fast conection ( like a local loop : 127.0.0.1 ), the 
> applet tries to connect to the port before the port becomes available ( 
> that is, a process started and listening ).
>
> The solution is sleep one second the applet before trying to open the 
> connection to port 3002. This way it works fine.
>
> Regards.
>
> I think this is not a real problem wich requires a change in the code, 
> just for the archive purposes:
> The code in Tcpbw100.java can bee modified in this way
> ....
>
> /* now look for middleboxes (firewalls, NATs, and other boxes that
>
> * muck with TCP's end-to-end priciples
>
> */
>
> // results.append("Trying to open new connection to server for middlebox 
> testing\n");
>
> showStatus("Waiting for Middlebox port availability One second ...");
>
> try {
>
> Thread.currentThread().sleep(1000);
>
> } catch (InterruptedException e) {};
>
> showStatus("Tcpbw100 Middlebox test...");
>
> try {
>
> in2Socket = new Socket(host, inport);
> ....
>
> ----- Original Message -----
> From: 
> <mailto:>Jordi
>  Bosch
> To: 
> <mailto:>
> Sent: Friday, December 02, 2005 12:06 AM
> Subject: Newest version than v3.1.4b in SourceForge ?
>
> Hello,
> I've setup an NDT server using the last kit found on 
> <http://e2epi.internet2.edu/ndt/download.html>http://e2epi.internet2.edu/ndt/download.html 
> , v3.1.4b.
>
> In fact it works, but when i load the Applet, the message 'Server failed 
> while middlebox testing' appears after i click the START button.
> When i click it again, appears a mesage indicating that i must wait until 
> the current test finishes. In fact, after some seconds, the test results 
> are printed.
> I've used Fedora Core 4 patched successfully with web100 2.5.4 using the 
> 2.6.12 kernel from kernel.org, userland 1.5
> Anyone knows if this behaviour is version related to the kernel or 
> userland libraries ?
>
> Looking at SourceForge, i've found that the Applet version is newest that 
> the one found in ndt-3-1-4b.tar.gz file. Wich is the last version?
>
> Thanks in advance for your replies.

------------------------------------



Richard A. Carlson                              e-mail: 

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