Hi,
On Tue, May 19, 2009 at 03:44:30PM -0700, Fleischman, Eric wrote:
> Your position below is very familiar to me since it was the same
> position that the UN and world's governments took about OSI. By
> contrast, I state that there is a strong motivation by the end user
> to use IPv4 indefinitely until a compelling reason to migrate to
> IPv6 arises.
As soon as a certain critical amount of networks and network traffic
are using IPv6, maintaining IPv4 is extra cost with doubtful benefit.
This alone is a reason to abandon IPv4.
I'm not talking about "this year", but about a few years in the future.
> At this current time, IPv6 is very immature and IPv6 deployments
> have very high risk when compared to IPv4 for the end user. There
> are only negative business reasons for deploying IPv6 at this time
> (i.e., I can articulate many compelling business reasons to NOT
> deploy IPv6 but the only reason to deploy it in the USA today is
> government decree -- which didn't work for OSI and is unlikely to
> work alone by itself for IPv6.). There are currently no technical
> reasons for the end user to prefer or want IPv6 over IPv4.
"End users" don't want IPv4 either. They want web, mail, skype, bittorrent.
There already are large IPv6 deployments (free.fr has active IPv6 customers
in the order of a million users, if I remember the numbers right). Other
big telcos are working on rolling out IPv6 to their DSL customer base - and
as soon as that happens, you have IPv6 users. They wouldn't know, of course,
but that doesn't matter.
(Of course this is a europe-centric view. IPv6 is happening here :) ).
Gert Doering
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