[ILUG] Class C Addresses
John P. Looney
john at antefacto.com
Wed Nov 7 17:14:28 GMT 2001
On Wed, Nov 07, 2001 at 05:10:15PM +0000, Paul Jakma mentioned:
> globally unique addrs, eg with IPv6:
> - disadvantages none
> - advantages over 'global unique addresses' none
> - disadvantages some
- gives people the impression they don't need a firewall
> > Can't argue with that, but what percentage of people out there can
> > live perfectly happily with NAT?
> so when everyone is using IPv6, they should still use NAT?
It can be useful when you have applications that don't know how to talk
to different members in a load balanced service. Imagine how simple load
balancing would be, if you had ten webservers in a load balanced set, each
with a unique ip, all round robin DNS'd to the same hostname.
If programmers would just get a list of all IPs associated with a
hostname, try the first, attempt to connect, and if that failed inside of
a second or three, try the second etc. - everything would be rosy. But no.
People are lazy. So, you have to do NAT etc. to get around it. It's a
John Looney Chief Scientist
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