Re: TCP NAT Traversal

Ok, well I tried to install this and everything seemed to go ok until I 
tried to install the Passthru driver. It kept asking me to auth the 
driver installation even though I already did. Finally it installed, but 
then it blue screened my machine.

After a hard reboot it seemed to be installed, but I removed it for 
obvious reasons. Hope this is a fluke, this is a really idea ;).


Jarret Raim


Paul Francis wrote:
> 
> Gang,
> 
> A student of mine here at Cornell (Saikat Guha) is doing some cool work on
> getting TCP to work through NAT boxes (i.e. both hosts behind NATs).   He is
> looking at a suite of techniques, each designed to exploit NAT boxes with
> different characteristics.  For the most part he has this stuff working in
> the lab.  This is very exciting, since the assumption has been that you can't
> get TCP to work through NATs.  
> 
> Our end goal is to develop a toolkit that robustly handles all the mechanics
> of establishing TCP through NATs.  However, we still need to test more
> broadly before we know best how to build that toolkit.
> 
> Towards that end, Saikat has developed a test client that does two things:
> 1) measures the characteristics of the local NAT box, and 2) attempts to
> establish TCP with other test clients.  The results are gathered at a server
> we are running at Cornell.
> 
> Anyway.....
> 
> We would REALLY REALLY appreciate it if all of you interested in this stuff
> would download the client and run it on any windows machine behind a NAT box
> (either home or work).  It takes about 10 minutes of your time.  The client
> will run for some weeks...when we are done with the tests, you will be
> informed via the client so you can uninstall it.
> 
> Also, I would appreciate pointers to any other P2P communities that should be
> interested in this.
> 
> The test software is here:
> 
> http://www.cs.cornell.edu/~saikat/NATs.html
> 
> A paper describing the basic ideas is here:
> 
> https://www.guha.cc/saikat/files/papers/nutss.pdf
> 
> Thanks!
> 
> PF
>  
> ps.  One warning...some of the techniques require that we muck with IP
> headers, which in turn requires that we run our own device driver.  When you
> install this, windows warns you about the driver several times.  We have been
> running it at a dozen or so machines here for many days without incident, so
> we think it is pretty safe, but if you are squeamish about this you can stop
> now.
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 



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