[161066] in North American Network Operators' Group

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Re: 10 Mbit/s problem in your network

daemon@ATHENA.MIT.EDU (Owen DeLong)
Mon Feb 25 11:36:53 2013

From: Owen DeLong <owen@delong.com>
In-Reply-To: <000601ce1314$7eaec660$7c0c5320$@iname.com>
Date: Mon, 25 Feb 2013 08:34:09 -0800
To: "Frank Bulk" <frnkblk@iname.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Correct. However, while A is 5Ghz (only), it's not significantly better =
than G.

The true performance gains come from 5Ghz and N together. N on 2.4Ghz =
has
limited benefit over G. N on 5Ghz is significantly better.

Owen

On Feb 24, 2013, at 8:56 PM, "Frank Bulk" <frnkblk@iname.com> wrote:

> The IEEE 802.11n standards do not require 5 GHz support.  It's =
typical, but
> not necessary.
>=20
> Frank
>=20
> -----Original Message-----
> From: Owen DeLong [mailto:owen@delong.com]=20
> Sent: Sunday, February 17, 2013 2:07 PM
> To: Jay Ashworth
> Cc: NANOG
> Subject: Re: 10 Mbit/s problem in your network
>=20
>=20
> On Feb 17, 2013, at 08:33 , Jay Ashworth <jra@baylink.com> wrote:
>=20
>> ----- Original Message -----
>>> From: "Scott Howard" <scott@doc.net.au>
>>=20
>>>> A VPN or SSH session (which is what most hotel guests traveling for
>>>> work will do) won't cache at all well, so this is a very bad idea.
>>>> Might improve some things, but not the really important ones.
>>>=20
>>> The chances of the average hotel wifi user even knowing what SSH =
means
>>> is close to zero.=20
>>=20
>> {{citation-needed}}
>>=20
>>> As an aside, I was sitting in JFK airport (terminal 4) a few days =
ago and
>>> having a shocking time getting a good internet connection - even =
from my
>>> own Mifi. I fired up inSSIDer, and within a few seconds it had =
detected
>>> 122 AP's...
>>=20
>> Yup; B/G/N congestion is a real problem.  Nice that the latest =
generation
>> of both mifi's and cellphones all seem to do A as well, in addition =
to=20
>> current-gen business laptops (my x61 is almost 5 years old, and =
speaks A).
>>=20
>=20
> I think by A you actually mean 5Ghz N. A doesn't do much better than =
G,
> though
> you still have the advantage of wider channels and less frequency =
congestion
> with other uses.
>=20
> Owen
>=20
>=20
>=20
>=20



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