Re: Re:

From: Ivan Passos (lists@cyclades.com)
Date: Fri Jul 13 2001 - 17:02:00 EST


On 13 Jul 2001, Michael Peddemors wrote:

> Glynn, you stumped me..
> Explain the 64*10 reasoning?
>
> On 13 Jul 2001 15:32:06 +0100, Glynn Clements wrote:
>
> > Clearly a 1ms ping (with the default packet size of 64 bytes) is
> > impossible over a 9600bps connection. Assuming 1 start bit and 1 stop
> > bit, the transmission time each way is 64 * 10 / 9600 = 0.067 = 67ms,

Michael,

64 bytes (from the ping packet) *
10 bits/byte (8 data bits + 1 start bit + 1 stop bit) /
9600 bps (bits per second, the baud rate)

Later,
Ivan

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