North American Network Operators Group
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Re: Software router state of the art

  • From: Florian Weimer
  • Date: Sat Jul 26 16:36:06 2008 
* Dorn Hetzel:

> Ok, it's probably a stupid question, but given the relative ease of
> putting 4gb+ ram on a 64bit platform, could packet per second
> performance be improved by brute forcing the route lookup as an array
> of 1 byte destination interface indexes for a contiguous swath of
> /32's from bottom to top?

8 bits per destination are not enough because you really want to put all
the necessary L2 information into the FIB.  Perhaps even AS numbers, for
flow export.