[isf-wifidog] why have to install gateway and Auth-server seprately?

[Benoit Grégoire]

On 9 September 2007, niloofar fathy wrote:
> hi
>   i install wifidog and it work very well. but i install the Auth-server
> and gateway both on one pc and i connect that pc to the access point, so i
> don't use openwrt and i don't install gateway on openwrt. but in the
> documentation i see that we have to install gateway and Auth-server on the
> deferent system

On what document did you see that?

> please tell me why i have to install them seprately?

You don't, they can both run on the same machine.

> and can you give  me more information about how the protocol between gateway 
and auth-server work? thanks for your help

See http://dev.wifidog.org/wiki/doc/developer/FlowDiagram 
and 
http://dev.wifidog.org/wiki/doc/developer/WiFiDogProtocol_V1