Re: AzMan concurrency.
From: Claudio Pacciarini (ClaudioPacciarini_at_discussions.microsoft.com)
Date: 02/16/05
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Date: Wed, 16 Feb 2005 11:43:07 -0800
Morten,
Thanks for writing. Yes, I considered that idea too; the problem is that to
support clustering / availability / scalability, the servers must be running
Windows Server Enterprise or DataCenter Editions.
MSMQ can be clustered but not load balanced and unfortunately, clustering is
NOT available in Windows Server Standard :-(
Since many of our customers use the standard version of Windows Server, I
must come up with something compatible with that.
Another idea was to use Enterprise Services, but again, same problem;
Enterprise or DataCenter Editions are needed in order to support clustering.
Regarding ADAM, I had no time to try it and perhaps I’ll never will, because
it offers no advantage to me for the applications that we are implementing.
Bottom line: so far we’ll do the synchronization with SQL server; server
that we need anyway for other aspects of our applications.
Regards,
Claudio Pacciarini
"Morten Overgaard" wrote:
> The following steps could be another alternative
>
> 1) Web client sends message (with a correleationID) to specific MSMQ
> (QueueA)
> 2) NT Service listens on that QueueA and updates AzMan store according to
> message
> 3) NT Services writes a result message (using the correleationID from 1) on
> another queue (QueueB)
> 4) Web client waits and listens for messages on QueueB with the
> correlationID from 1)
>
> Hope this helps you :-)
>
> And now for my question. I was under the assumption that AzMan and ADAM did
> not work well together since AzMAn can only handle pure Windows Accounts. Is
> this correct or have I misunderstood something?
>
>
> Regards Morten
> "Claudio Pacciarini" <ClaudioPacciarini@discussions.microsoft.com> wrote in
> message news:89BAAEB7-D7F6-4BBA-B2CB-8016A15F7EB2@microsoft.com...
> > In the original post, I didn't explained in detail what I need to do, so
> here
> > I go:
> >
> > I need to implement an application with load balancing support; this app
> > will be mission critical and will always need to be available. It will
> also
> > need to authenticate and authorize users.
> >
> > For the authorization part of the app, I was planning to use AzMan.
> >
> > AzMan seemed to be the perfect solution; the store (when in Active
> > Directory) is automatically replicated, performance is great, audits, easy
> > access to the store from any machine in the domain, azman.msc, etc.
> >
> > But after reading some responses from people that really know windows
> > programming and security, I'm hesitating (and feeling considerably
> concerned
> > too) about azman in mission critical projects.
> >
> > I wonder if it's possible (and/or recommended) to use AzMan with Active
> > Directory in mission critical (clustered/load balanced) applications and
> if
> > it is, how to do it (or at least some ideas). The main problem is
> > synchronizing the servers accessing the store in AD.
> >
> > I really like AzMan and I'd hate to give it up. I'd hate even more to be
> > forced to implement my own custom AzMan-like logic because there's no
> > practical/elegant way to do this locking.
> >
> > So the main questions remain: how could I synchronize server apps
> accessing
> > a store located in Active Directory? Is it possible to use AzMan in
> mission
> > critical apps? Any recommendations?
> >
> > If it's not possible or convenient to use AzMan in clustered/nlb
> > environments, any advice on how could to design a distributed, mission
> > critical system requiring authorization similar to what AzMan provides?
> >
> > Many thanks,
> >
> > Claudio Pacciarini
> >
> >
>
>
>
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