[pptp-server] Maximum PPTP Connections?

[Johnny L Wales]

I'm no true guru on this sort of thing to be sure, but I'll tell you what
I do know:

A company I used to work for (and still do contract stuff for from time to
time) got themselves a set of shiny new servers. These 3 machines are
single-P3-Xeon-600's with 500M of RAM in them. They're used as web
servers. The kernels have been modified to handle the unbelievable amount
of load placed on them. Before a pseudo-merger with Snap.com, we were
rated as high as the 25th most popular site in the world. Lots of traffic.
About 1/3 that of MP3.com in bandwidth, about 1/20 of Yahoo in pageviews
(Which is a lot, believe me. :)

At any rate, these machines are routinely handling several thousand open
descriptors with no problem. The kernel is modified to allow 2048
children, and 2048 descriptors-per-process, and nothing seems to have
blown up yet (4 months of uptime...), so I suppose it's safe enough. And,
we have half the power of the unholy beast you're talking about building.
Plus, we're just doing web and mail serving, which is relatively complex
(at a processor level) compared to pptp connections (far as I know,
anyway).

--Me

On Wed, 8 Mar 2000, Nate Carlson wrote:

> One of our clients is looking at a very high-load pptp server, and we are
> wondering what the maximum (safe) number of simultaneous PPTP connections
> would be on a dual-p3/700 with 1gb of memory.. I know we have to do some
> kernel patches to support > 100 users, but assuming we do those patches,
> would it be safe to have say 150 simultaneous users? Thanks!
> 
> -- 
> Nate Carlson <natecars at real-time.com>   | Phone : (612)943-8700
> http://www.real-time.com                | Fax   : (612)943-8500
> 
> 
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