Great Circle Associates Firewalls
(April 1997)
 

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Subject: RE: IPSEC / IPV6 and Firewalls & Network Security
From: Paul Ferguson <pferguso @ cisco . com>
Date: Fri, 18 Apr 1997 15:11:11 -0400
To: Dana Bourgeois <fg @ portal . com>
Cc: Firewalls @ GreatCircle . COM
In-reply-to: <01BC4BEF . B167FB60 @ pinpc30 . corp . portal . com>

At 12:06 PM 4/18/97 -0700, Dana Bourgeois wrote:

>
>[fg=> ]  No, it isn't.  If you split hairs, you are correct that the
Internet is far from using all 2e32 (what is that?  About 2 billion?)
addresses available with IPv4.  When one considers how the Internet
community allocated those addresses in groups and how backbone routers are
designed to handle those groups (and the age of the equipment and cost to
replace) one realizes Peter is perfectly correct.  Mathematically the
Internet is not about to use the last addresses of the IPv4 address space.
Practically speaking the easy and inexpensive options of allocating and
routing IPv4 address space are near spent and if one is going to upgrade
equipment one may as well go with expensive new IPv6 equipment instead of
expensive new IPv4 equipment, n'est pas?
>


Again, this is a common misconception, and you have not provided a
substantiative problem that IPv6 actually solves. I suppose we'll
just agree to disagree.

In any event, this forum is not the appropriate venue for discussing IPv6
benefits and liabilities.

Thanks,

- paul




References:
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