RE: Number of Firewall/NAT Users

[vint cerf <vcerf at MCI.NET>]

what about business users, bernard?

vint

At 06:47 AM 1/20/2001 -0800, Bernard Aboba wrote:
>The fraction of consumer users behind NATs is largely
>limited by the number of multiple PC households. As
>of 2000, my understanding is that 27 percent of
>households have multiple PCs. Of those households
>with multiple PCs, only a fraction are networked. 
>
>This would indicate that perhaps less than 10 percent
>of all consumer households are behind a NAT today. This
>may translate to a larger fraction of consumer
>PCs because multiple PC households have
>more PCs (duh). 
>
>Over the next few years, it is likely that the
>NAT penetration will increase dramatically, 
>driven by increases in the number of multiple
>device households (not just PCs), as well as
>deployment of broadband technologies such
>as ADSL modems, which frequently ship with 
>NAT capabilities.  
>
>-----Original Message-----
>From: Jiri Kuthan [mailto:kuthan at fokus.gmd.de]
>Sent: Friday, January 19, 2001 10:59 PM
>To: ietf at ietf.org
>Subject: Number of Firewall/NAT Users
>
>
>Hello,
>
>is anyone aware of any estimations of fraction of Internet users
>who are behind firewalls and NATs?
>
>Thanks,
>
>Jiri
>
>-
>This message was passed through ietf+censored at alvestrand.no, which
>is a sublist of ietf at ietf.org. Not all messages are passed.
>Decisions on what to pass are made solely by Harald Alvestrand.