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Article #1418

Re: eine Ping Frage

#1418
From: Michael Shavit
Date: Mon, 03 Feb 1997 00:00
42 lines
2058 bytes
In article <5cva0v$2mp$1@vulcan.alphanet.ch>, schaefer@vulcan.alphanet.ch 
says...
>
>In article <5ctjua$jq5@usenet78.supernews.com>,
>        webmaster@arselectronica.com (Michael Shavit) writes:
>
>> sich ja auch nicht mit Zunahme der Lichtstaerke (Lux). Nur hier kommt der 
Clou 
>
>ping_delay == time to transmit the packet
>              + time to transmit the answer
>              + computing/relaying time
>
>So if you double your line's speed, you should see a quite good
>increase for big packets. For small packets, or if the bundling
>allocation algorithm is based on a treshold (ie it does not send one
>byte here, one byte here, but instead blocks, which are probably
>easier to handle), small packets will be sent slowly, ie probably one
>one line. If someone knows the ``partitionning'' algorithm for
>bundling, it would be nice to tell it.
>
>You should really use UNIX ``bing'' (available on ftp.ibp.fr)
>which uses different packet sizes and on that basis evaluate
>the bandwidth between two points.
>
>Or, if you don't have luck (ie !UNIX), try to do some pings with
>bigger packet sizes (ping -c SIZE) and/or some FTPs.
>
>Asymptotically, for big packets, the rate should be doubled
>with ISDN bundling.
>
>PS: Don't forget that WWW sessions (which seem to be quite popular
>    nowadays) use TCP sessions (opened and closed usually for each remote
>    object they download; HTTP 2.0 excluded), which means THREE (small)
>    packets just to open the session (-> <- ->).
>
>

Thanks alot!!!

michael
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From: webmaster@arselectronica.com (Michael Shavit)
Subject: Re: eine Ping Frage
Date: 1997/02/03
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