> Am 29.01.2014 15:26, schrieb Francois Labreque:
>
>> A 20MB file is 16M bits.  At 1500bits per packet, it means ~ 110,000
>> packets.  If the round trip takes 200-400ms per packet, then it takes
>> 20,000 seconds, or more than 6 hrs, ignoring link congestion and other
>> technicalities, for someone to open the file from India.
>
> That's why any sane file transfer protocol sends more than just one
> packet before waiting for an acknowledge.
>
Yes, and even accounting for that, with the TCP window size of 16k of 
the AIX servers in question, you have to receive an ACK every 12-13 
packets or you run the risk of exceeding your window size and having the 
source start retransmitting.


-- 
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/*   gmail.com     */}camera{orthographic location<6,1.25,-6>look_at a }

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