On Wed, Jun 23, 2010 at 06:37:41PM -0700, Bill Broadley wrote:
> On 06/23/2010 10:42 AM, timri...@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 -
On 06/23/2010 12:39 PM, Brian Lavender wrote:
> What started this is that having a hash provides ideally a O(1). So,
> I say that to achieve this, one would ideally want to have a large array
> to store your IP addresses and a hashing function that provides good
> distribution. To which, Tim point
On 06/23/2010 11:36 AM, Ken Bloom wrote:
> On a 32-bit machine, this will eat up most of the computer's address
> space, including *all* application space, and some kernel space (so you
> can expect things to segfault).
Assuming no PAE. With PAE often the kernel and other user processes
would be
On 06/23/2010 10:42 AM, timri...@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 p
On Wed, Jun 23, 2010 at 10:42:18AM -0700, timri...@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 p
On Wed, 2010-06-23 at 10:42 -0700, timri...@appahost.com wrote:
> > Original Message
> > Subject: Re: [vox-tech] Memory addressing?
> > From: "Chanoch (Ken) Bloom"
> > Date: Tue, June 22, 2010 9:46 am
> > To: lugod's technical discuss
On Tue, 2010-06-22 at 18:05 -0700, Bill Broadley wrote:
> On 06/22/2010 09:46 AM, Chanoch (Ken) Bloom wrote:
> > On Tue, Jun 22, 2010 at 09:11:44AM -0700, Brian Lavender wrote:
> >> Can someone confirm what is correct?
> >>
> >> Tim and I were discussing memory addressing at Crepeville last night
On 06/22/2010 09:46 AM, Chanoch (Ken) Bloom wrote:
> On Tue, Jun 22, 2010 at 09:11:44AM -0700, Brian Lavender wrote:
>> Can someone confirm what is correct?
>>
>> Tim and I were discussing memory addressing at Crepeville last night
>> and we had a disagreement about how memory is addressable. I sa
On Tue, Jun 22, 2010 at 09:11:44AM -0700, Brian Lavender wrote:
> Can someone confirm what is correct?
>
> Tim and I were discussing memory addressing at Crepeville last night
> and we had a disagreement about how memory is addressable. I say that
> on today's common intel i386 32 bit architectur