running more than one server with one IP address

[Rein Kadastik]

Actually for forwarding incoming ports, the NAT part is unneccessary 
although I have used natd for creating the port forwarding itself.

David Banning wrote:

>Is it possible to run more than one server(machine) with one IP
>address? I have so many different server-applications running on my machine I
>would like to divide them up.
>
>Maybe using one machine email only, or use one for certain websites,
>and another for other websites. This would also allow me to take-down
>one machines for maintenance when necessary, or use one machine for
>more troubleshooting.
>
>Wondering if someone could even direct me to the terminology that I am 
>looking for so I can google it.
>
>  
>