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Re: [vox-tech] Memory addressing?
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Re: [vox-tech] Memory addressing?

On Wed, Jun 23, 2010 at 06:37:41PM -0700, Bill Broadley wrote:
> On 06/23/2010 10:42 AM, timriley@appahost.com wrote:
> > The reason for the discussion was Brian's intrusion detection
> > implementation stored the incoming packets in a hash
> > table. The key to the hash table was quite
> > large -- inbound IP address, outbound IP address, inbound port, and
> > outbound port. I thought to my self, on a very large implementation (say
> > Google) the table could grow to a billion entries. Could a hash table
> > store this amount in memory? Could you allocate an array of half the
> > total memory? Could you allocate an array of a billion integers? Brian,
> > on his laptop, couldn't allocate a billion integers. But he could
> > allocate a billion characters (bytes). Since I thought both bytes and
> > integers were words, and since I thought memory stored words
> > like registers stored words, we had our discussion.
> Sounds like an interesting discussion, sorry I missed it.  Kinda of 
> amusing trying to handle such a hash table on a (older I assume) single 
> 32 bit laptop.

So, I am about to put up the code for my mods to nProbe. I believe it
runs on 64 bit. I really haven't done any work on the hashing part,
but I am sure that the work that Luca Deri has done works well.

How do you put a public git repository online?

Somewhat like the following. 

I found the following link. Does it look like it has the correct

Brian Lavender

"There are two ways of constructing a software design. One way is to
make it so simple that there are obviously no deficiencies. And the other
way is to make it so complicated that there are no obvious deficiencies."

Professor C. A. R. Hoare
The 1980 Turing award lecture
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