Large ISPs doing NAT?

Marshall Eubanks tme at multicasttech.com
Mon Apr 29 15:53:52 UTC 2002


On Mon, 29 Apr 2002 08:43:11 -0700
 Beckmeyer <beck at pacbell.net> wrote:
> 
> Is anybody here doing NAT for their customers?
> 
> I'm looking at a situation where I may have to provide
> NAPT for tens of 
> thousands of users and am curious as to what hardware is
> being used, how 
> well it scales, what kind of loads it takes such as:
> 
> throughput,
> max simultaneous sessions experienced,
> session establishment rates,
> avg # of sessions per user,
> ALGs you've found necessary,
> number of sessions supported per public realm IP in
> reality.  
> 
> I've done a survey of firewall, switch, and router
> companies so I have 
> their reported numbers and I've done a bit of testing in
> my lab and have 
> found that reported numbers do not necessarily translate
> into what the 
> box will experience in something resembling a production
> network.  This 
> is why I'm asking this group - reality can bite!
> 
> A second area of concern I have is how to enforce AUPs
> when your users 
> "appearance" can be *very* transitive making tracking
> back the offender 
> nearly impossible.
> 
> Any small piece of help, advice, or pointer would be most
> appreciated.
> 
> Thanks most much.
> 

Is the whole problem just a lack of address space, or
is there something more you are trying to do ?

Regards
Marshall Eubanks

> John Beckmeyer
> beck at pacbell.net
> 




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