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<DIV><FONT style="BACKGROUND-COLOR: #f5f5f5" size=2 face=Arial>Shouldn't a ns2
animation suffice - like the one on the DCTCP site:</FONT></DIV>
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<DIV><FONT size=2 face=Arial><A
href="http://research.microsoft.com/en-us/projects/cloudfaster/">http://research.microsoft.com/en-us/projects/cloudfaster/</A></FONT></DIV>
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<DIV><FONT size=2 face=Arial>I'll try to revive my ns2 installation, and do some
simulation, one with 1000 buffers per hop (and slightly less bandwidth at each
hops forward direction), and one with 10 buffers FIFO. However, I'm no ns2
expert - one could add color-marked frames, and also track the RTT latency
(making a graph next to the packet simulation). No promises,
though.</FONT></DIV>
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<DIV><FONT size=2 face=Arial>Richard</FONT></DIV>
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vAlign=top><A style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://gettys.wordpress.com/author/gettys/"><IMG
style="BORDER-BOTTOM: #ddd 1px solid; BORDER-LEFT: #ddd 1px solid; PADDING-BOTTOM: 2px; BACKGROUND-COLOR: white; PADDING-LEFT: 2px; WIDTH: 48px; PADDING-RIGHT: 2px; BORDER-TOP: #ddd 1px solid; MARGIN-RIGHT: 7px; BORDER-RIGHT: #ddd 1px solid; PADDING-TOP: 2px"
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<H2 style="MARGIN: 0px; COLOR: #555; FONT-SIZE: 1.6em" class=post-title><A
style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://gettys.wordpress.com/2011/02/04/animation-to-show-bufferbloat-badly-needed/">Animation
to show bufferbloat badly needed...</A> </H2>
<DIV style="MARGIN-TOP: 4px; COLOR: #999; FONT-SIZE: 0.9em"
class=meta><STRONG><A style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://gettys.wordpress.com/author/gettys/">gettys</A></STRONG> |
February 4, 2011 at 6:01 pm | Categories: <A
style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://gettys.wordpress.com/?category_name=bufferbloat">Bufferbloat</A>,
<A style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://gettys.wordpress.com/?category_name=networking">Networking</A>
| URL: <A style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://wp.me/pfzIQ-8O">http://wp.me/pfzIQ-8O</A>
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<P><A style="COLOR: #0088cc; TEXT-DECORATION: none"
href="http://gettys.files.wordpress.com/2010/10/jigsawfish2.png">
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<P><IMG
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src="http://gettys.files.wordpress.com/2010/10/jigsawfish2.png?w=90&h=82#038;h=82"
width=90></A>If you are facile at putting together animations, a great public
service would be to build an animation (preferably web based) that demonstrates
the consequences of bufferbloat. Ideally, there would be two such animations:
one demonstrating simple single path bufferbloat (something vaguely like <A
style="COLOR: #0088cc; TEXT-DECORATION: none" title="TCP Tuning page"
href="http://www.kehlet.cx/articles/99.html" target=_blank>this</A>) and the
other showing a more complex network of machines, demonstrating aggregate forms
of bufferbloat. This would help engineers, their managers, and the general
public understand the problem much more easily.</P>
<P>Let us know at <A style="COLOR: #0088cc; TEXT-DECORATION: none"
title=Bufferbloat.net href="http://bufferbloat.net/">bufferbloat.net</A> if you
are interested in helping here.</P>
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