> -----Original Message-----
> From: Jeroen Massar [mailto:[EMAIL PROTECTED] 
> Sent: Monday, June 25, 2007 8:27 AM
> To: Templin, Fred L
> Cc: bill fumerola; [email protected]
> Subject: Re: draft-ietf-ipv6-ula-central-02.txt
> 
> Templin, Fred L wrote:
> > Jeroen,
> > 
> > Touching on just one aspect of your thoughtul post:
> > 
> >>> DNS is an integral part of addressing and if
> >>> we're going to move forward with ULA-C as delegated 
> >> addressing then let
> >>> us move forward with addressing in its entirety.
> >> So you want a disconnected address space which gets 
> connected to the
> >> Internet? Sorry, but that more or less really implies NAT.
> > 
> > I wouldn't call it a "disconnected address space which gets
> > connected to the Internet" but rather a "unique local address
> > space which gets connected to other unique local address
> > spaces" and IMHO I don't see any implication for NAT there.
> 
> If you are only connecting to another ULA network, then why would one
> ever need NS entries in ip6.arpa for this space?

To aid in connecting to another ULA network.
 
> The whole story is about having NS entries in the ip6.arpa 
> tree for the
> delegation. When you have a delegation in the Internet ip6.arpa tree,
> you also need to query them one way or the other and thus you are
> connecting your ULA-based network to that Internet.

Connecting to the IPv4 Internet in order to query the
ip6.arpa tree should work fine; right?
 
> Also, people will the notice that they can use reverses from the
> Internet, at one point or another will also want to use SIP or various
> other protocols and thus end up using the Internet, and there are two
> ways to do that: NAT it or simply announce the ULA prefix, renumbering
> to a PI block is of course not an option here.

I don't see how that follows, and I do not want IPv6 NAT.

> As such, what is the 'local' part again, how local is it 
> really? And how
> is ULA-C then different from PI? Why bother people with this 
> ULA-C thing
> when they really need PI in the first place? Which they can 
> already get
> for $100/year from ARIN and which will be guaranteed unique, just like
> all other address space from the RIR's.

IMHO, a "site" can be as large as a major corporation's private
Intranet or as small as my laptop, and I don't want to have to
pay $100/yr just to connect my laptop to other sites. 
 
Fred
[EMAIL PROTECTED]

--------------------------------------------------------------------
IETF IPv6 working group mailing list
[email protected]
Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------

Reply via email to