Thanks for your take on it, Joe.  I'm finding the same thing when it comes to 
the ideology.  It's not baked in very well yet... so trying to make a judgment 
on strategy is a bit difficult.  :)  I think I'll start looking down what 
Microsoft offers... problem is I'm not even sure what the competitors are ... 

:m:dsm:cci:mvp | marcusoh.blogspot.com

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Joe Kaplan
Sent: Saturday, July 22, 2006 3:43 PM
To: [email protected]
Subject: Re: [ActiveDir] Managing Third-Party Users

Federation is the way of the future in these scenarios.  I'm spending about 
50% of my time at work these days helping to build out our federation 
infrastructure and imagine that we'll be using it extensively.  We are 
already doing some type of federation thing with over 30 vendor-hosted apps 
internally (benefits, travel, surveys, etc.).  However, none of these 
implemenations are currently using any of the standard federation protocols 
(SAML, WS-Fed) and suffer from expensive implementations, no reusability 
between implementations and dubious security.

We are also looking at hosting some services internally for clients and 
partners and using federation as a way to allow them to authenticate with 
their own credentials.

The big challenges right now are that with both SAML and WS-Fed as the 
dominate protocols out there (and WS-Fed much further behind in terms of 
adoption rates, but gaining due to the popularity of AD and the low cost of 
ADFS compared to many solutions), it is hard to say you only want to do 
ADFS/WS-Fed.  Our approach is to try to support both for the "outbound" 
scenario, where our users are accessing a partner resource, although we are 
still trying to pick a SAML 2 product yet.  We'll probably be more picky 
about WS-Fed for the opposite scenario as our guys like to use Windows 
token-based websites (like SharePoint) for custom dev and only ADFS has a 
really flexible solution for supporting this.

The big challenges are that right now, things are still pretty "early 
adopter", so it is hard to find a lot of partners that are ready to go with 
their infrastructure.  There isn't much expertise out there with these 
products yet either, so people are stumbling quite a bit.  In our "inbound" 
scenario, we are looking at needing to set up an alternate account store to 
host the accounts of partners who aren't "federation-capable" yet, so that's 
a drag.  I'm not sure the team building that app has realized yet that the 
cost and complexity of the identity and access management work for that 
account store will likely outstrip the cost of dev and maintenance on the 
app itself by an order of magnitude.  They aren't I&AM people, so they are 
just realizing that users of the store will need features like password 
change, password reset and password expiration notifications.  BTW, we are 
using ADAM for the account store and setting it up as a separate federation 
account partner.

Another thing worth noting is that we already have a well-established 
process for provisioning accounts for external users and contractors in the 
corp forest and we'll continue to use that in scenarios where it is 
appropriate.  However, we'll try to do as little as possible of that sort of 
thing when simple access to a few web apps is all that's needed.

All in all though, I'm pretty excited about the technology, especially ADFS. 
It combines my three favorite tech things, I&AM, web programming and .NET, 
so what's not to love?  :)


Joe K.
----- Original Message ----- 
From: [EMAIL PROTECTED]
To: [email protected]
Sent: Saturday, July 22, 2006 12:05 PM
Subject: [ActiveDir] Managing Third-Party Users


My trusted directory resource,

I don't remember if this came up on a previous post. but don't recall seeing 
the topic.  As things become more and more integrated w/ some form of ldap 
authentication against a common directory, the necessity for managing 
outside vendors, contractors, etc is becoming a larger and larger task.  If 
you're in a situation where the vendor has a large population of users that 
require access . with incredible churn, this becomes a big issue.

I'm curious what, if anything, anyone else is doing to use some sort of 
federated system so that user management is left at the hands of the 
third-party companies.  I'm curious also if anyone is aware of any 
consulting groups that have done this sort of thing w/ an agnostic approach 
that can fit most environments.  I'd love to get an idea of where the 
industry is heading with this sort of thing.  I'm sure the topic probably 
came up at DEC which I didn't have the luxury of attending.

Thanks all!

marcus c. oh | cox communications, inc. | 404.847.6117 | 
marcusoh.blogspot.com
 

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