Traffic per Prefix Length

Paul G. Donner pdonner at
Fri May 4 19:52:51 UTC 2001

There are many interesting pieces of data and there is plenty of data
in the Internet to collect. ;-)

might show how much work routers have to do in particular areas of the
table (which, granted, varies from location to location) when doing
longest-prefix match.  what areas of the table are hit more than others.

  "sh ip cef traffic prefix"

At 01:55 AM 5/4/2001 +0200, Arnold Nipper wrote:

>On Thu, May 03, 2001 at 07:09:24PM -0600, Paul G. Donner wrote:
> >
> > does anyone collect stats that would facilitate the derivation of
> > the number of packets forwarded per prefix length (per unit time)
> > in the routing table or per prefix length range?  percentages would
> > work too.
> >
>Interesting ... Do you think that this will give you any useful information?
>I would be more interested in how far packets go. Not in networks terms but
>in real distance. Next would be to go further up the stack and see if there
>is a difference in protocols (i.e www compared to dns).
>-- Arnold

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