Re: ARIN Policy on IP-based Web Hosting

[Hank Nussbacher <hank () att net il>]

At 18:15 31/08/00 -0400, Shawn McMahon wrote:
> On Thu, Aug 31, 2000 at 06:09:11PM -0400, Deepak Jain wrote:
> >
> > Why can't they use those apps through NAT? I do it from home quite often.
>
> Are you going to set up the port forwarding for 500,000 customers?  1 million?
>
> You and I can set things up so port 22 goes to one machine, port 23 to 
> another,
> etc., but what are you going to do for 500,000 customers?

Based on Cisco:
http://www.cisco.com/warp/customer/701/60.html

"As a result, Cisco IOS PAT [Port Address Translation - HN] supports about 
4000 local addresses that can be mapped to the same global address."

-Hank

> And what are you going to do for only 1,000 customers, with some of them 
> wanting
> telnet, some VNC, some ssh, some Napster, some webcams, etc. etc. etc.?
>
> Set up a dozen ports for each of 500,000 customers?
>
> Or do you have some magic NAT that automatically figures out every protocol,
> known or unknown, currently existing or yet to be written, and routes it to
> the correct machine?