Network Design examples

First of all I'd like to thank you for your site. It is fabulous!

I need some problems in network design. Basic problems in developing an IP addressing scheme. Would you have any that you would share?

Thanks,
Tom King
PS It's not a gun its a phone extension!

Sir,

I dont know if you are a fan of Microsoft or ot but maybe this can give you a brief Ideas.

Information requested

Thanks,
slidedown