On Wed, 12 Aug 2009, Martin Langhoff wrote:
On Wed, Aug 12, 2009 at 10:43 AM, Benjamin M.
Schwartz<bmsch...@fas.harvard.edu> wrote:
I don't know how to test this, but I think there's a chance it could be a
big win. Of course, in situations where the mDNS presence information
itself is overloading the network, there's not much we can do.
Get your hands on airtime.py -- and let's make sure everyone
understands that in wireless networks
what really matters is _airtime_. Multicast frames are sent in the slowest
modulation available, and it consumes a ton of airtime. It doesn't take
much to swamp the RF.
I believe that the slowest modulation available is 1Mb/sec. so you would
have to avoid something in the range of 30+ packets being sent before you
have a chance of hitting break-even
David Lang
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