[Xitami] content/type headers
Johannes Prost
xitami@lists.xitami.org
Sat, 16 Apr 2005 11:49:19 -0600
want to second that.
Johannes
> Hello Russel,
>
> It was a great tip, how can I find more tips such as this. Thanks.
>
> Inanc
>
> On 4/16/05, R O <rolinger1@hotmail.com> wrote:
> >
> >
> > That would make sense. 1500 would be the max size packet anyone would want
> > to create. Most router circuits are set to 1545 MTU (max transmission
> > unit). Anything larger than that requires the router to split the packet
> > giving the first 1500 to FRAME 1 and giving the reamainder to a new FRAME.
> > That new packet though can't be used by any other data. so if your server
> > packets are 1700, the first 1500 bytes goes to the first frame, then 200
> > bytes goes to the second frame, but the second frame is then filled up
> > with
> > 1300 bytes of nothing simply to fill the frame - it has to happen this way
> > because a FRAME can only carry on TCP header. Larger packets causes the
> > router to take a heavier processing load and slightly greater bandwidth
> > load.
> >
> > Apply that logic to smaller server packets, say 850bytes per packet. Then
> > every frame for that TCP transmission will be 850bits of data and 600 bits
> > of nothing. This causes the router to waste nearly 45% of its bandwidth
> > (for that particular tcp session). If your packets match the MTU of the
> > router then no framing is wasted, the router doesn't have to parse packets
> > which decreases processing/reassembly time, and excess frames do not have
> > to
> > be sent.
> >
> > Russel P. Olinger
> > (310) 466-3399
> > rolinger1@hotmail.com
> >
> > >From: Marc Doigny <marc@verfaillie.com>
> > >Reply-To: xitami@lists.xitami.org
> > >To: xitami@lists.xitami.org
> > >Subject: Re: [Xitami] content/type headers
> > >Date: Fri, 15 Apr 2005 18:27:59 +0200
> > >
> > >At 16:46 15/04/05, you wrote:
> > >>Hello Marc,
> > >>
> > >>very handy to control ones own server and to be able to check the server
> > >>software of a
> > >>site without the need of using Netcraft. What is the reason for the
> > limit
> > >>of bytes ?
> > >>Otherwise one would be able to check how the full page will look like (
> > >>development).
> > >>
> > >>Is there the possibilty to share this ? If so, what would be needed ?
> > >>
> > >>Johannes
> > >
> > >I created the application just to check if my home server was responding
> > to
> > >internet requests, where it doesn't matter that 1500 bytes or more are
> > >displayed.
> > >1500 bytes seemed a good compromis between speed and size; the data must
> > be
> > >downloaded before it can be send to the client. Xitami is set to kill
> > >applications running more than 10 seconds, and in some cases connecting
> > and
> > >downloading large files could not be done in 10 seconds.
> > >Two connections are open during the whole transaction.
> > >
> > >
> > >There are two versions available:
> > >
> > >http://web.verfaillie.com/cgi-bin/gap?www.verfaillie.com (displaying the
> > >content as text)
> > >
> > >http://afr_upd.verfaillie.be:20800/cgi-bin/gap?www.verfaillie.com (trying
> > >to display the content as html)
> > >
> > >The source and executable are disponible at
> > >http://web.verfaillie.com/cgi/gap.bas
> > >http://web.verfaillie.com/cgi/gap.exe
> > >It just runs as a cgi-bin executable.
> > >
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