/***Message moved***/Hi, I'd like to do a network and i'd like to know what kind of hardware I will need(I think routers and backbones) and what model of this hardware.I explain my situation:We have some buildings: Madrid, New York and London. Each b...

Hi, I'd like to do a network and i'd like to know what kind of hardware I will need(I think routers and backbones) and what model of this hardware.I explain my situation: We have some buildings: Madrid, New York and London. Each building have four fl...