Date: Thu, 28 Oct 1999 01:07:26 -0700 From: "Craig Critchley" <craigc@nwlink.com> To: "Bill Fumerola" <billf@chc-chimes.com> Cc: <dg@root.com>, "Garrett Wollman" <wollman@khavrinen.lcs.mit.edu>, <net@FreeBSD.ORG> Subject: Re: FTP Net Performance Message-ID: <218001bf211b$791005b0$0201010a@fuzzer.com> References: <Pine.BSF.4.10.9910280237560.30200-100000@jade.chc-chimes.com>
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Ah, I've misunderstood the sequence number being ack'd - it's the next byte
expected by the reciever, eh? Damn. I've probably been tearing apart the
wrong machine.
I still don't understand the 1.5 sec delay before BSD resends, though.
...Craig
From: Bill Fumerola <billf@chc-chimes.com>
> On Thu, 28 Oct 1999, Craig Critchley wrote:
>
> > It's the same model netcard as what's in the BSD machine - Netgear
FA310TX.
> > File sharing between Windows machines is *significantly* faster. I can
> > imagine that BSD thinks its already sent as much as the receiver can
take,
> > but why does it think it needs to resend that particular piece when
Windows
> > has ack'd it twice (unless doing so is a bad idea - like I said, I'm not
> > that much of an expert).
>
> ACKing twice is an indictation of dropped packets. It says "i'm going to
> keep acknowledging the last known good packet until you send me the one
> after it."
>
> .. or something like that.
>
> --
> - bill fumerola - billf@chc-chimes.com - BF1560 - computer horizons corp -
> - ph:(800) 252-2421 - bfumerol@computerhorizons.com - billf@FreeBSD.org -
>
>
>
>
>
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