On Mon, 8 May 2006, Robert Gray wrote:
You'd do more than just a firewall, you'd want some of authentication device as well as a system to integrate control over a range of devices, hence the use of RFC1918 would be perfectly acceptable for the fridge, car brakes and so forth.
But that breaks down when you assuming one company is running my fridge and another is monitoring my car brakes. You have 20 companies using some sort of authentication mechanism against your firewall which probably gets a little hard from the average man in the street.
In this way most would be happy with a single (maybe two but probably not) real IPv4 address
Don't forget to add another IP for every WIFI capable cell phone in the household, plus anything else that is mobile. You do realize the world population is over 6 billion right? Quite a few of thsoe can scape enough togeather to afford a cellphone or home computer. Random stat: "BMI forecasts the total number of mobile subscribers in the [asia] region to reach 1.75 billion by 2010" -- Simon J. Lyall | Very Busy | Web: http://www.darkmere.gen.nz/ "To stay awake all night adds a day to your life" - Stilgar | eMT.