[DeTomaso] NPC Hey Computer (Communication) geeks!

[asajay at asajay.com]

It takes 36 minutes to finish the 90 miles of SSCC at 150 MPH.

Ask me another hard one.

Asa Jay

Quoting detomasoregistry at gmail.com:

> What is the actual thru-put rate for a 384K link?
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> Example:  If I upload a 1 megabyte file, on a 384K upload link, how   
> long will it take in
> seconds?
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> Note that 384K is >kilobits< per second not BYTES per second (I believe).
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> I'm getting lost in "Morning Math".
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> And I don't know the transmission protocol overhead.
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> If the computer/transmission is using a 32 bit byte, (or do ISPs   
> still use 16 bit
> bytes???)
>
> then a 1 megabyte file is 32 million bits (32,767,000) , or 1   
> million bytes (1,024 million
> bytes).
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>
>
> 32,767,000bits  / 384,000 (bit per second) = 85.33 seconds.
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> BUT there is the "overhead" or bits used by the protocol.  (I   
> guessed a 50% overhead to
> start with
>
> since I do not know.)
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> So in reality it would take 85X2 or 170 seconds (approx) to upload a  
>  1 megabyte file.
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>
>
> Can someone help me here?
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> Chuck
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