[181173] in North American Network Operators' Group
Re: Is it safe to use 240.0.0.0/4
daemon@ATHENA.MIT.EDU (Ca By)
Wed Jun 17 22:01:25 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <DFEE4D41-CCE9-446F-94FC-2A49911197C2@me.com>
Date: Wed, 17 Jun 2015 19:00:30 -0700
From: Ca By <cb.list6@gmail.com>
To: =?UTF-8?B?Sm9uYXMgQmrDtnJr?= <mr.jonas.bjork@me.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Wednesday, June 17, 2015, Jonas Bj=C3=B6rk <mr.jonas.bjork@me.com> wrote=
:
>
> >> Given how slowly IPv6 is deploying, this choice may prove to have been
> >> shortsighted.
> >
> > I doubt it. As you said, there is A LOT of crap out there that would
> have to be updated. Pulling a number out of the air, I'd guess *most*
> in-use devices would NEVER see such an update. Even from companies that d=
o
> still exist. (Sadly, those are also devices that aren't going to see IPv6=
,
> either.)
>
> Most stuff out there do only care about that its subnet mask OR's up
> correctly with its ip and gw. Poof, there did 99.9 per cent of all device=
s
> get excluded. Most stuff that
Pretty sure this is wrong.
> do use and/or misuse this freightening block of darkest cyberspace are
> either high end network equipment (who drop) or some end users/mcast send=
er
> which are behind NAT anyway.
>
> I believe it's a great idea. Let's at least try it out, like an
> alpha-test. We choose a temporary /8 (easy to remember) and divide it int=
o
> /16s or less, depending on how many interested candidates we are able to
> raise. After being approved by IANA we begin advertising our new prefixes
> for a finite amount of time. If the world ends, or is about to, we stop.
>
> I believe we would bump into minor caveats but ISP's are beginning to NAT
> their end customers due to the lack of free ips and I wouldn't want to li=
ve
> in a world where that was the norm. This madness has to stop and v6 won't
> salvate us for yet another total sonar eclipse or three.
>
>
Definately wrong. There are many networks larger and smaller than yours
that run ipv6-only (ds-lite, 464xlat, whatever facebook does in their dc).
You are wasting time and money.
Let us at least try it out - if it goes well we have bought us some time.
> If not, revert.
> Thank you for listening.
>
> br /Mr Bjork
