[136806] in North American Network Operators' Group
Re: quietly....
daemon@ATHENA.MIT.EDU (Owen DeLong)
Sat Feb 5 06:14:46 2011
From: Owen DeLong <owen@delong.com>
In-Reply-To: <xo+1oaDb5RTNFAT$@perry.co.uk>
Date: Sat, 5 Feb 2011 03:12:26 -0800
To: Roland Perry <lists@internetpolicyagency.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Feb 5, 2011, at 1:54 AM, Roland Perry wrote:
> In article <alpine.BSF.2.00.1102041723070.54349@murf.icantclick.org>, =
david raistrick <drais@icantclick.org> writes
>>> But NAT does have the useful (I think) side effect that I don't have =
to renumber my network when I change upstream providers - whether =
that's once
>>=20
>> But (what I keep being told) you should never have to renumber! Get =
PI space and insert magic here!
>=20
> Part of the problem is knowing in advance what ISPs will and won't do. =
It's all very well saying one shouldn't patronise an ISP that blocks =
port 25, for example, but where is that documented before you buy?
>=20
If they don't document partial internet access blockage in the contract =
and the contract says they are providing internet access, then, they are =
in breach and you are free to depart without a termination fee and in =
most cases, demand a refund for service to date.
(Yes, I have successfully argued this on multiple occasions).
In fact, I get free internet in most of the more expensive hotel =
environments as a result.
> [My current 3G supplier blocks port 25 sometimes, I've yet to work out =
the algorithm used, it flips every day or two].
>=20
> So will the likes of Vodafone and t-mobile support the PI model =
described above?
I use SPRINT. They used to. They've stopped. Admittedly, I'm not =
over-fussed about email on my phone and I don't use
a tether device at this point.
I mostly expect 3G and 4G networks to be broken internet anyway. I was =
more speaking in terms of land-line providers.
Owen
(Who only depends on his current residential ISPs for L2 transport and =
doesn't know what they block at L3 and up
as long as they don't break GRE)
