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Oracle Fusion Middleware Deployment Planning Guide for Oracle Unified Directory 11g Release 1 (11.1.1)
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Document Information


1.  Overview of Oracle Unified Directory

2.  Overview of the Directory Server

3.  Overview of the Proxy Server

4.  Overview of the Replication Gateway

5.  Building Blocks of the Proxy Server

6.  Example Deployments Using the Directory Server

7.  Example Deployments Using the Proxy Server

Deciding Your Proxy Deployment Type

Configuration 1: Simple Load Balancing

Configuration 2: Simple Distribution

Configuration 3: Failover Between Data Centers

Configuration 4: Distribution with Load Balancing

Configuration 5: Distribution with Failover Between Data Centers

Multiple Replicated Proxies

8.  Simple Proxy Deployments Using the Command Line Interface

9.  Deploying Advanced Proxy Architectures

Multiple Replicated Proxies

To reduce the exposure of your Oracle Unified Directory proxy configuration to Single Point of Failure, you should ensure that your deployment is redundant. Typically, this can be done by installing a third party hardware load balancer, as illustrated in Figure 7-6.

Using a hardware load balancer, you can manage multiple instances of the Oracle Unified Directory proxy on separate physical machines and/or in different geographical locations.

Figure 7-6 Multiple Instances of Oracle Unified Directory proxy

Two instances of Oracle Unified Directory proxy with a third party hardware load balancer as the entry point.

When running multiple instances of the Oracle Unified Directory proxy, if you are using a distribution deployment with a global index catalog, the global index catalog should be replicated. For more information on replicating the global index catalog, see Replication of Global Index Catalogs in Oracle Fusion Middleware Administration Guide for Oracle Unified Directory.

In order to deploy the same Oracle Unified Directory proxy deployment see the instructions in Chapter 4, Setting Up the Proxy Server, in Oracle Fusion Middleware Installation Guide for Oracle Unified Directory.