From: Vincent Guffens <guffens@au...> - 2002-01-31 09:38:58
I'm currently working at a tool ( writen in php ) that would automate
the setup of a virtual network made of uml virtual machines (VM).
The main ideas behind the tools are :
The network is completely virtual, no access to the outside world or to
the host. An option would be to have a permanent VM connected to the
host which would be the only point of access to the outside world.
The tool is multi-user. The canonical root_fs are stored in a safe place
and you create your new VM using the cow feature. Your private machines
and your kernels are stored in your private directory.
Ideally, a number of root_fs with specific functionalities would be
available, so you could, for instance, decide to put a packet generator
or a sniffer anywhere on your network.
You access the VM by telneting on the host on port 90xy where x is the
id of the machine and y is the console.
In conclusion you can remotely create a virtual network with arbitrary
layer 2 topology and easily experiment on the network thanks to specific
functionalities of the VM.
If you want to have a look at the tool, it is located on my pc :
You can use the login "vinsz" ( no password is needed )
For the moment you need a shell access to cut and paste the script that
If someone is interrested, it is on cvs and I can add a guest account (
or whatever you would find usefull ). We should get a dedicated server
here to further investiguate this great possibility of virtual
networking. It is quite basic for the moment but hopefully it will grow
to reach the goals described above.
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