In message <[email protected]>, Francesco Potorti` writes:
>
> The delay*bandwidth product (DBP) defines the amount of data a
> protocol should have "in flight" (data that has been
> transmitted, but not yet acknowledged)
>
> The delay*bandwidth product is the amount of data transmitted, but not
> yet received. The amount of data "transmitted, but not yet
> acknowledged" is twice that quantity.
When discussing TCP, delay is usually assumed to mean RTT (round trip
time), unless otherwise stated. The statement is therefore correct
but assumes that delay==RTT, which should probably be stated.
Curtis
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