Re: Flow Based Routing/Switching (Was: "Does TCP Need an Overhaul?" (internetevolution, via slashdot))

[Roland Dobbins <rdobbins () cisco com>]

On Apr 5, 2008, at 5:16 PM, Jeroen Massar wrote:

> The flows are in those boxes, but only for stats purposes exported  
> with NetFlow/IPFIX/sFlow/etc. Apparently it was not as fast as they  
> liked it to be


This is essentially correct.  NetFlow was originally intended as a  
switching mechanism, but then it became apparent that the value of the  
information in the cache and the ability to export it as telemetry  
were of more value, as there were other, more efficient methods of  
moving the packets around.

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Roland Dobbins <rdobbins () cisco com> // +66.83.266.6344 mobile

     History is a great teacher, but it also lies with impunity.

                   -- John Robb