[102255] in North American Network Operators' Group
Re: IPv6 Connectivity Saga (part n+1)
daemon@ATHENA.MIT.EDU (Thomas =?utf-8?q?K=C3=BChne?=)
Sat Feb 2 18:57:10 2008
From: Thomas =?utf-8?q?K=C3=BChne?= <thomas@kuehne.cn>
To: Iljitsch van Beijnum <iljitsch@muada.com>
Date: Sun, 3 Feb 2008 00:24:36 +0100
In-Reply-To: <ED0C1962-DF61-4BFF-81A2-380ED794FDAC@muada.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog@merit.edu
On Saturday February 2 2008, Iljitsch van Beijnum wrote:
> On 2 feb 2008, at 11:42, Thomas K=C3=BChne wrote:
> > I took a DMOZ[1] dump
>
> What's a DMOZ dump?
DMOZ: http://www.dmoz.org/about.html
# The Open Directory Project is the largest, most comprehensive human-edited
# directory of the Web. It is constructed and maintained by a vast, global
# community of volunteer editors.
A DMOZ dump is the complete data set including directory structure, links a=
nd
descriptions. I've use this source because other lists are either too small=
or
contain a lot of spam.
> > IPv6 failure rates of 4.3% (TLD) and 6.1% (NS)
>
> What does TLD and NS mean?
TLD: Top Level Domain (e.g. .com, .us. org)
NS: Name Server - in this case Domain Name Server (DNS)
> > 43 : broadcast address
>
> ?
Sorry, the same error message is also triggered by some firewalls.
> Another factor is that with IPv4, you need to be pragmatic, because if
> you don't, you have no connectivity. With IPv6, you can impose
> arbitrary restrictions as much as you want, because IPv4 makes sure
> there is always fallback connectivity anyway.
Maybe, but the most frequently encountered errors were time outs and
those usually degrade performance drastically.
Thomas
