[94950] in North American Network Operators' Group
Re: wifi for 600, alex
daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Thu Feb 15 09:52:57 2007
In-Reply-To: <57293A433646CE42B7DAD6C4DF1AAEEA035EA1FE@sojsdc006.ojs.dcgov.priv>
Cc: Todd Vierling <tv@pobox.com>,
Suresh Ramasubramanian <ops.lists@gmail.com>,
Carl Karsten <carl@personnelware.com>, NANOG <nanog@merit.edu>
From: Marshall Eubanks <tme@multicasttech.com>
Date: Thu, 15 Feb 2007 09:50:51 -0500
To: "Pickett, McLean (OCTO)" <mclean.pickett@dc.gov>
Errors-To: owner-nanog@merit.edu
The IETF experience is that enough people run 802.11a to take
significant load off of the {b,g} network.
Marshall
On Feb 15, 2007, at 9:45 AM, Pickett, McLean (OCTO) wrote:
>
>
> Works well if everyone has 802.11a/g card. That's been my biggest
> concern
> with deploying 802.11a recently.
>
> McLean
>
> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On
> Behalf Of Todd
> Vierling
> Sent: Thursday, February 15, 2007 12:02 AM
> To: Suresh Ramasubramanian
> Cc: Marshall Eubanks; Carl Karsten; NANOG
> Subject: Re: wifi for 600, alex
>
>
> On 2/14/07, Suresh Ramasubramanian <ops.lists@gmail.com> wrote:
>> 4. Isolate the wireless network from the main conference network /
>> backbone so that critical stuff (streaming content for workshop and
>> other presentations, the rego system etc) gets bandwidth allocated to
>> it just fine, without it being eaten up by hungry laptops.
>
> The oft-overlooked 802.11a is great for this purpose when there isn't
> enough wiring infrastructure to drop a RJ45 in all the necessary
> conference rooms. Whereas 802.11[bgn] has only three (or four,
> depending on who you quote) mostly non-overlapping frequencies -- even
> less when MIMO is in use -- 802.11a has eight *completely*
> non-overlapping standard channels. In nice open conference hall space
> with at most two walls in the way, the rated shorter range of 11a is
> actually not so noticeable because of the lack of radio noise.
>
> 2.4GHz is soooooo last decade. ;)
>
> (The 802.11[bgn] density where I live is so high that I resorted to
> installing 802.11a throughout my house. Zero contention for airwaves
> and I can actually get close to rated speed for data transmission.)
>
> --
> -- Todd Vierling <tv@duh.org> <tv@pobox.com> <todd@vierling.name>
