On 6/20/06, Michael Hawksworth <[EMAIL PROTECTED]> wrote:
The 8MB service has a
higher push rate which must help.


If I understand the technology correctly, voice is pretty low
bandwidth - something like a 22k sampling rate or perhaps less.
monophonic, 4k-12kHz.  But it's extremely sensitive to timing: the
beginning of a word ought to arrive before the end. Packets need some
"Quality of Service" or QoS to avhieve this and not be muscled out by
other traffic. Giving more overall bandwidth helps (less collisions
with the same traffic on an 8-lane road than a single lane), but
there's another factor of actually prioritizing the traffic. That's
part of what the Net Neutraility fight in the US is about: providers
want to boost the priority of their premium services, which sidelines
competitors, leaving them running on the soft shoulder.

--
Ted Roche
Ted Roche & Associates, LLC
http://www.tedroche.com


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