Also I hear OpenBSD are looking at a patchset for doing something similar
too.


On 27 April 2010 15:55, Joel Wiramu Pauling <[email protected]> wrote:

> Take a look at :
>
> http://www.ics.forth.gr/dcs/Activities/papers/gnort.raid08.pdf
>
>
>
>
> On 27 April 2010 14:40, Michael Clark <[email protected]> wrote:
>
>> On Tuesday 27,April,2010 09:01 AM, Joel Wiramu Pauling wrote:
>>
>>> I would love to get hold of some for network
>>> inspection/filtering/classification offloading.
>>>
>>
>> That would be interesting.
>>
>> As long as you can make everything fixed length and avoid branching (use
>> predication) I think it could be done quite efficiently on the GPU. e.g.
>> buffer up say 100K packets and run a kernel function over a whole batch,
>> reducing the batch size and submission frequency based on network traffic.
>>
>> Deep packet inspection may be harder although not impossible (note this is
>> pre-cuda but same concepts apply):
>>
>> http://http.developer.nvidia.com/GPUGems3/gpugems3_ch35.html
>>
>> Luckily Fermi can handle 32 bit integers (previous GT200 could only do
>> 24bit integers which would make packet stuff harder - 32 bit integers are
>> available in CUDA but are emulated and slow on previous gen nvidia GPUs).
>>
>> Anyone else on the list playing with CUDA? (i'd be keen to share
>> experiences).
>>
>>
>
_______________________________________________
LUGS Mailing list - [email protected]
List FAQ: http://wiki.lugs.org.sg/LugsMailingListFaq
Info page: http://www.lugs.org.sg/mailman/listinfo/slugnet
To unsubscribe send an empty email to: [email protected]

Reply via email to