Re: IIS Performance vs Authentication Type

From: Thomas Deml [MS] (thomad@online.microsoft.com)
Date: 10/19/02 

From: "Thomas Deml [MS]" <thomad@online.microsoft.com>
Date: Sat, 19 Oct 2002 00:00:33 -0700

Rupesh,

Windows authentication takes longer because it needs to do three network
roundtrips until the user is authenticated. Once the connection is
established you shouldn't see a difference anymore.

Hope this helps. 

--
Thomas Deml
Lead Program Manager
Internet Information Services
Microsoft Corp.
"Sanjeev" <sanjeev.gupta@ubswenergy.com> wrote in message
news:umj5sIudCHA.2400@tkmsftngp10...
> I am trying to learn about dot IIS Security as i was into a loop trying to
> figure out why my webpage works on the pc where my iis server is and does
> not run from any other machine.
> I guess this topic should help you a little that why ntlm takes a little
> more time than basic
>
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsent7/html
> /vxconIISAuthentication.asp
>
> Sanjeev
>
>
> "Rupesh Manugula" <mrupesh@cal.cognizant.com> wrote in message
> news:65cc01c276ac$54d23530$2ae2c90a@phx.gbl...
> > Hi,
> >
> > I have a query related to the impact of authentication
> > type on IIS performance.
> >
> > I have observed that in our web application, when we
> > change the authentication from Basic to
> > Integrated, the response time of a page is slightly more.
> > In one of the popup asp pages,
> > when it was submitted, I observed that it took more time
> > in case of integrated
> > authentication. Though the difference seems to be very
> > small but I am afraid of its
> > impact if the number of users are significantly high.
> >
> > Is this an expected behaviour, if so, how does
> > authentication type impact the IIS performance.
> >
> > Or, is it a network issue since in case of integrated
> > authentication, the user is validated at the domain
> > controller/active directory.
> >
> > Please comment.
> >
> > Thanks
> > Rupesh Manugula
>
>

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