Using OracleAS 10g and Apps in an Enterprise Configuration

I've been receiving a number of questions about integration architectures from customers who have multiple ERP systems.  These long-suffering system administrators are getting awfully tired of maintaining overlapping user namespaces for each of these systems separately. 

Now that all Oracle applications, including the E-Business Suite, have been certified with Oracle Application Server 10g, it's possible to use a single instance to provide identity management services across your enterprise.

Shared Enterprise Oracle Application Server 10g:

Shared OracleAS 10g Services Across the Enterprise

As shown above, you can now install a single instance of Oracle Application Server 10g and use it to provide unified identity management and portal services to applications across your enterprise.  Applications that delegate user authentication to this central Oracle Application Server 10g instance are called partner applications.

The E-Business Suite, PeopleSoft, and Oracle Collaboration Suite can all be registered as partner applications with Oracle Application Server 10g.

Users log onto Oracle Single Sign-On 10g, which provides access to all registered partner applications.  A single user definition is maintained centrally by Oracle Internet Directory 10g, which is much more efficient (and safer) than maintaining overlapping user namespaces in each of the individual partner applications.

If you're so inclined, you can create a portlet in Oracle Portal that links to specific functions in each of the partner applications.

Integration with Third-Party Identity Management Systems

The centrally-shared Oracle Application Server 10g instance can be integrated with third-party identity management systems.  I've covered this integration already, so rather than repeating myself here, see this article if you'd like more details about how that works:
Taking No Chances

As the axiom goes, if you put all of your eggs in one basket, you'd better watch that basket carefully.  The same goes for centralizing all of your identity management and portal services.  If that system goes down, the outage now affects all registered partner applications. 

High Availability Shared Enterprise Apps Architecture:

To avoid those awkward morning-after discussions with your executives, you should ensure that your central Oracle Application Server 10g environment is:
  • Scaled to handle the combined peak loads of all partner applications
  • Has failover capabilities for both the application tier as well as the database tier
Related
Comments:

Hi Steven,
This post may not be right place for my comments but still as you are discussing on 10g AS & Other Oracle Applications I thought of putting it here .
I appreciate 10g Application Server IM and its capabilities & looking at this we started configuring single 10g IM(OIS & SSO) for Collabsuite & 10g Application Server .
Since IM is key component in this so we decided to install DR solution which is critical for Business Continuity but we had to take step back once we came to know that DR soltion for 10g AS(Including IM) which is "Application Server Guard" is not yet supported with Collabsuite . Similarly I suppose ASGuard (DR Solution for 10g AS Infra)is not supported with E-Business Suite.

Any comments on this.

Atul
http://becomeappsdba.blogspot.com
(Discovering Oracle Apps )

Posted by Atul Kumar on September 14, 2006 at 06:41 AM PDT #

Hi, Atul,Unfortunately, I don't have a lot of visibility into supported disaster recovery architectures for CollabSuite; this might be worth your logging a Service Request for that product via Metalink.As for using AS Guard for the E-Business Suite... I'm not sure that I understand your question.  The E-Business Suite uses Oracle9i Application Server 1.0.2.2.2, which isn't supported by AS Guard.  You're certainly permitted to use AS Guard for the OracleAS 10g infrastructure that's integrated with the E-Business Suite, though.Regards,Steven 

Posted by Steven Chan on September 18, 2006 at 09:34 AM PDT #

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