El 10/05/2006, a las 18:45, Rémi Denis-Courmont escribió:
Le Mercredi 10 Mai 2006 10:35, marcelo bagnulo braun a écrit :
ulas and private address can be used to reach a global destiantion
address heavily depending on the local setup, hence local
configuration per case is needed in the general case...
This assumes that one may use an ULA (IPv6) to reach a globally
routable
(IPv6) address.
yes
In other words, that someone has introduced some kind
of NAT or transparent proxy in the middle.
no
it assumes that the routability domain of a ULA may be defined by the
site and extended to other sites using agreements. I mean, it is
possible for two different sites to agree that their ULAs will be
routable among them. As i understand it, the ULAs are not by default
routable globally but their routability domain can be extended beyond
the local site through agreements with other sites.
i hope it is clearer now.
I'm not so gullible as to
believe that nobody will ever try to implement this, but... if some
network administrator really wants to provide “transparent” IP-layer
access to the globally routable IPv6 Internet, shouldn't (s)he hands
out public IPv6 addresses/prefix(es) to his/her users, possibly in
addition to ULAs?
agree than if you want a gloablly routable address this is the case
indeed
What would be wrong with the IPv6 stack throwing an unreachable error
whenever an application tries to send a packet/connect to a global IPv6
address while its socket is bound to an ULA or while the host has no
global (or at least has no non-ULA-nor-link-local) addresses?
that maybe the ULAs routability domain includes the location of the
given destiantion address
regards, marcelo
--
Rémi Denis-Courmont
http://www.simphalempin.com/home/
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