----- Original Message -----
From: "Raju Mathur" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, December 12, 2002 10:09 PM
Subject: Re: [ilugd]: Re: : silly question
> >>>>> "Sandip" == Sandip Bhattacharya <[EMAIL PROTECTED]> writes:
>
> Sandip> On 12/12/02 19:48 +0530, Gollum thus spake:
> >> i have an internet connection. now when all that i am doing is
> >> downloading. uploading nothing. yet i have
> >>
> >> 29 thousand something send packets 27 thousand received
> >>
> >> what does this mean. how could i be sending more data than
> >> receiving. When all i am doing is basically downloading an
> >> album over ftp.
> >>
> >> wierd man
>
> Sandip> No. Need not be weird. What would be weird is when the
> Sandip> byte upload and byte download sizes are the same. In TCP,
> Sandip> every packet needs to be acknowledged from the other side
> Sandip> otherwise it would get re-transmitted. So what you have
> Sandip> might just be normal.
>
> Well, AFAIR you can ACK multiple packets in a single response. Once
> you ACK packet 7 after packet 4, it's understood that you are ACK'ing
> packets 5, 6 and 7. Correct me if I'm wrong.
>
TCP never ACK's packets, it ACKs something called as "segments" which
may be of more or less size than packet. TCP doesnot knows anything about
the
IP packets at its level. But yes, it can ACK more than one segments using a
single
ACK.
> Regards,
>
> -- Raju
>
> Sandip> [snip]
>
> --
> Raju Mathur [EMAIL PROTECTED] http://kandalaya.org/
> It is the mind that moves
>
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