North American Network Operators Group

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Re: wifi for 600, alex

  • From: Robert E. Seastrom
  • Date: Thu Feb 15 11:27:24 2007

Inasmuch as anyone with an ICBM (Intel-Chip-Based-Mac) has 802.11a
capability, and such devices have been gaining increasing traction
among geeks of late, I'm not surprised.  The latest Airport Extreme
base station from Apple is A/B/G/N (the Express is still b/g).


Marshall Eubanks <[email protected]> writes:

> 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: [email protected] [mailto:[email protected]] 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 <[email protected]> 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 <[email protected]> <[email protected]> <[email protected]>