[137151] in North American Network Operators' Group
Re: Post-Exhaustion-phase "punishment" for early adopters
daemon@ATHENA.MIT.EDU (Owen DeLong)
Wed Feb 9 16:43:22 2011
From: Owen DeLong <owen@delong.com>
In-Reply-To: <FDCEDB56-109D-4655-9E30-DE743FE83F58@spacething.org>
Date: Wed, 9 Feb 2011 13:38:06 -0800
To: Sam Stickland <sam@spacething.org>
Cc: "nanog@nanog.org" <nanog@nanog.org>,
"R. Benjamin Kessler" <Ben.Kessler@zenetra.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Feb 9, 2011, at 4:35 AM, Sam Stickland wrote:
>=20
>=20
> On 9 Feb 2011, at 02:43, "R. Benjamin Kessler" =
<Ben.Kessler@zenetra.com> wrote:
>=20
>>>> From: George Herbert [mailto:george.herbert@gmail.com]=20
>>=20
>>>> "Let's just grab 2/8, it's not routed on the Internet..."
>>=20
>> +1
>>=20
>> I was consulting for a financial services firm in the late '90s that =
was acquired by a large east-coast bank; the bank's brilliant scheme was =
to renumber all new acquisitions *out* of RFC1918 space and into (at the =
time) bogon space. =20
>>=20
>> If I recall, some of the arguments were "they were too big to fit =
into RFC1918 space" and by having all of their divisions in non-RFC1918 =
space it would make it easier for them to acquire new companies who used =
RFC1918 space internally.
>>=20
>=20
> You don't have to trawl back to the late 90's to find this, I know of =
at least 3 or 4 large enterprises using large chunks of public address =
(multiple /8's) that aren't their's /today/.
>=20
> This "works" because 1) the Internet is only accessed through proxies, =
2) devices that require direct Internet access are addressed out of =
registered address space (or NATed to registered address space), and 3) =
third party connections to others enterprises are usually src/dst NATTed =
to the enterprise's own ranges (with the added benefit that this NAT at =
3rd party boundaries helps ensure symmetric traffic flow through =
firewalls).=20
>=20
> And I've only worked at 3 or 4 large enterprises so it's probably safe =
to assume there's more! With my SP background I was shocked and I'm not =
trying to defend this practice, but in the enterprise land it seems =
accepted.=20
>=20
> Sam
On the freeways in the US, it's quite common for people to be doing 5-15 =
MPH over the
speed limit. This practice seems accepted.
I don't think there's a whole lot of sympathy, however, when someone =
receives a ticket for it.
Owen
