[114265] in North American Network Operators' Group
RE: Where to buy Internet IP addresses
daemon@ATHENA.MIT.EDU (Moriniaux Michel)
Tue May 5 08:28:05 2009
Date: Tue, 5 May 2009 14:27:42 +0200
From: "Moriniaux Michel" <mmoriniaux@prosodie.com>
To: <Charles@thewybles.com>,
<nanog@merit.edu>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Hello all,
Free.fr gives us a /64 to our ADSL/FTTH boxes, the autoprov interface =
does not give an option for more.
For insights of how Free.fr does thing please see this RIPE =
presentation:
http://www.ripe.net/ripe/meetings/ripe-58/content/presentations/ipv6-free=
.pdf
best regards,
Michel
-----Message d'origine-----
De=A0: Charles@thewybles.com [mailto:Charles@thewybles.com]=20
Envoy=E9=A0: mardi 5 mai 2009 05:18
=C0=A0: nanog@merit.edu
Objet=A0: Re: Where to buy Internet IP addresses
Re sending... I know operational content is frowned on :) ... However =
in an effort to avoid this thread getting kicked to the curb... we have =
just seen days of the same arguments between the same posters over and =
over. Let's gather some data on current operational (there's that evil =
word again) practices and see how its working or not working out.=20
Anyone care to field my question?=20
how do existing providers hand out space?=20
I know that Hurricane electric (via its tunnel service) hands out a /64 =
by default and a /48 is a click away.=20
How do other providers handle it? I'm in the us and only have native v4 =
connectivity :(
Do the various traditional last mile providers (sprint/Verizon/att/patch =
etc ) offer it for t1 and better? If they do then what do they hand out =
by default, what's available, at what price point and what's the upgrade =
path? Is it one click like he?=20
No provider I have talked to offers it for residential connectivity in =
the united states.=20
What does free.fr do?=20
If there is this level of confusion and disagreement around addressing =
schemes then will it ever be offered to residences over traditional last =
mile loops?=20
------Original Message------
From: Stephen Sprunk
To: Bill Stewart
Cc: north American Noise and Off-topic Gripes
Cc: Joe Greco
Subject: Re: Where to buy Internet IP addresses
Sent: May 4, 2009 2:36 PM
Bill Stewart wrote:
> When I came back, I found this ugly EUI-64 thing instead, so not only =
was autoconfiguration much uglier, but you needed a /56 instead of a /64 =
if you were going to subnet.
It's supposed to be a /48 per customer, on the assumption that 16 bits=20
of subnet information is sufficient for virtually anyone; exceptions=20
should be rare enough that they can be handled as special cases.
The /56 monstrosity came about because a US cable company wanted to=20
assign a prefix to every home they passed, regardless of whether it=20
contained a customer, so that they'd never need to renumber anything=20
ever again. However, that would require they get more than the /32=20
minimum allocation, and ARIN policy doesn't allow _potential_ customers=20
as a justification for getting a larger allocation, so they had to=20
shrink the per-customer prefix down to a /56 to fit them all into a=20
single /32. If all those assignments were to _real_ customers, they=20
could have gotten a /24 and given each customer a /48 as expected. And, =
after that, many folks who can't wrap their heads around the size of the =
IPv6 address space appear to be obsessed with doing the same in other=20
cases where even that weak justification doesn't apply...
> Does anybody know why anybody thought it was a good idea to put the =
extra bits in the middle, or for IPv6 to adopt them?
> =20
Why the switch from EUI-48 to EUI-64? Someone in the IEEE got worried=20
about running short of MAC (er, EUI-48) addresses at some point in the=20
future, so they inserted 16 bits in the middle (after the OUI) to form=20
an EUI-64 and are now "discouraging" new uses of EUI-48. The IETF=20
decided to follow the IEEE's guidance and switch IPv6 autoconfig from=20
EUI-48 to EUI-64, but FireWire is the only significant user of EUI-64=20
addresses to date; if you're using a link layer with EUI-48 addresses=20
(e.g. Ethernet), an extra 16 bits (FFFE) get stuffed in the middle to=20
transform it into the EUI-64 that IPv6 expects.
S
--=20
Stephen Sprunk "God does not play dice." --Albert Einstein
CCIE #3723 "God is an inveterate gambler, and He throws the
K5SSS dice at every possible opportunity." --Stephen Hawking
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