Terry Lambert wrote:
>
> "Ashutosh S. Rajekar" wrote:
> > > I guess we beat you to the punch...
> > >
> > > We have a product which is now shipping, and which currently
> > > supports 1,000,000 concurrent connections.
> >
> > I guess quite a lot of people are at it right now, the prime
> > one is NetScaler. If I'm not wrong, they brag about a million
> > connections or so, on a box that's running FreeBSD 2.x ...
> > inside sources informed me that they rewrote the entire kernel,
> > and are now finding it difficult to proceed ... (anybody from
> > NetScaler please correct me)
>
> Rewriting a 2.x kernel for this type of thing is insane;
> the DOS vulnerabilities and other bugs alone must be
> completely swamping them...
>
> Their 3200 only has 1G of RAM; you could _barely_ fit the
> TCP state for 1,000,000 connections into just 1G of RAM,
> and have a tiny amount left over for buffers, drivers,
When I had an interview at Netscaler 3 years ago, they were
talking about changing to a hardware implementation. My guess
is that by now they should have completed that hardware implementation
and probably use FreeBSD only as a high-level controlling system.
-SB
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