[Ntop-dev] Introducing dynamic packet filtering in PF_RING
adi
adi at ccstm.ro
Mon Mar 19 07:37:56 CET 2007
I have actually read that pdf :)
I saw a couple of typos, i might have missed others:
page 8 in that pdf file, line 6 from the bottom:
"the packet that will then be allocated later when the packet is dropped"
shouldn't this say "be deallocated" instead of "be allocated" ?
page 10, line 3 from the top:
"it is not possible to list stored filters bwing them stored"
what was "bwing" supposed to mean ?
Adrian
Luca Deri wrote:
> Dear all,
> I have just committed some new code into PF_RING that implements
> dynamic packet filtering as described on my latest paper
> http://luca.ntop.org/Blooms.pdf. The idea is to enable PF_RING to go
> beyond BPF filtering that is quite powerful but limited to one
> (complex) filter. Using blooms filters (this is probably the first
> time that they are used in software) it is now possible to have
> hundred or more filters that can be dynamically added/removed at
> runtime with no packet loss during reconfiguration. If you can also
> see the performance figures that I have obtained with the previous,
> driver-based, bloom filtering facility, you can see how dynamic
> filtering can dramatically improve your application performance.
>
> This new filtering facility opens us a whole new world of
> opportunities in particular in dynamic applications like VoIP where
> voice is not on standard ports but on dynamic ones.
>
> Enjoy, Luca
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