Thus spake "Perry Lorier" <[EMAIL PROTECTED]>
Stephen Sprunk wrote:
One of the arguments by the anti-ULA crowd is that if someone is unable
to also get PI space, they will NAT their ULAs to PA space rather than
assigning the PA space to hosts directly, because NAT is perceived as
less hassle than renumbering every few months.
Except with v6 you can quite easily have multiple prefixes on an
interface. So you can have your ULA prefixes for your internal services
(dns servers, smtp servers, whatever) and use your globally routable IPv6
addresses for IPv6 connectivity.
The fact that one _can_ assign both ULAs and PA space to hosts is
irrelevant; I'm well aware of that. NAT is perceived by IT folks as less
hassle than renumbering hosts. PA space implies frequent renumbering.
Therefore, many (most?) IT depts who cannot get PI space will use NAT rather
than assign PA space to hosts.
S
Stephen Sprunk "Those people who think they know everything
CCIE #3723 are a great annoyance to those of us who do."
K5SSS --Isaac Asimov
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