> system. Channel capacity is shared, 30 MB (or so) towards
> users, and uplink (shared, too) is mere 0.7 kB (or 1/40th)
> of the downlink..
This varies by company.
> frame) outwards, but large frames towards themselves. Optimum
> performance is likely achievable for data frames of size
> 40 * (40+30 bytes) = 2800 bytes
> which, by the way, is way more than your average 1500 byte
> MTU at server Ethernets...
Also be aware some cable modems do what they like to call 'ack aggregation'
to reduce the ack stream rate. There are lots of reasons for this being
good and quite a few why its bad (think if the remote end is a high loss
radio node)
Alan
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