On 05/29/2011 11:57 AM, Dave Taht wrote:
>
>
> On Sun, May 29, 2011 at 9:21 AM, Juliusz Chroboczek 
> <jch@pps.jussieu.fr <mailto:jch@pps.jussieu.fr>> wrote:
>
>     > And the irony is that the lower speed is specifically chosen for
>     > multicast in order to make sure all clients in range can hear them
>     > reliably.
>
>     It was my understanding that it was done for compatibility with older
>     devices, since 2 Mbit/s is the fastest rate supported by pre-B
>     spread-spectrum hardware.
>
>
> And thus, everybody loses. I doubt there is much 802.11b gear still 
> active in the field.
I think Juliusz is referring to old stuff pre-B, like the Digital 
RoamAbout.  Certainly that is long gone, and I think pretty much all b 
hardware is gone, though having a "screw your performance to make 
something antique run" option someplace might become necessary for someone.
                 - Jim