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Date:      Mon, 29 Jul 1996 05:51:31 -0400 (EDT)
From:      Thomas J Balfe <tbalfe@falcon.tioga.com>
To:        freebsd-ports@freebsd.org
Subject:   bing-1.0.4
Message-ID:  <Pine.BSF.3.91.960729054844.4286B-100000@falcon.tioga.com>

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I have put bing-1.0.4 in ~incoming on wcarchive. This one should be fun.

bing-1.0.4.tar.gz -- port

bing-1.0.4.tgz -- package

[snip]

riffraff: {128} pkg_info bing-1.0.4.tgz 
Information for bing-1.0.4.tgz:

Comment:
bing - point-to-point bandwidth measurement tool

Description:
Bing determines the real (raw, as opposed to available or average) 
throughput on a link by measuring ICMP echo requests roundtrip times for 
different packet sizes for each end of the link. 

Suppose we are on host A and want to know the throughput between L1 and 
L2, two extremities of a point-to-point link. 

        A ----( the Internet )--- L1 --- L2

If we know the rtt (roundtrip time) between A and L1, and the rtt between 
A and L2, we can deduce the rtt between L1 and L2. 

If we do that for two different packet sizes, we can compute the raw 
capacity (bps) of the link. 

Note that bing can also be used to have an idea of ethernet cards 
performance. 



========================================================================
Thomas J Balfe                                          tbalfe@tioga.com
President                                          http://www.tioga.com/
Tioga Communications, Inc                                   814-867-4770
========================================================================

   "Humanity has been compared...to a sleeper who handles matches
        in his sleep and wakes to find himself in flames."
             - H.G. Wells The World Set Free 1914




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