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Sun OpenDS Standard Edition 2.2 Deployment Planning Guide

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1.  Overview of Sun OpenDS Standard Edition

2.  Overview of the Directory Server

3.  Overview of the Proxy Server

4.  Building Blocks of the Proxy Server

5.  Example Deployments Using the Directory Server

6.  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

7.  Simple Proxy Deployments Using the Command Line Interface

8.  Deploying Advanced Proxy Architectures

Configuration 2: Simple Distribution

When deploying the Sun OpenDS Standard Edition proxy using simple distribution, the data is split into partitions. Each partition of data is held on a separate remote LDAP server, as illustrated in Figure 6-2. All requests received through the Sun OpenDS Standard Edition proxy are routed to the remote LDAP server which contains the appropriate data.

The number of remote LDAP servers onto which the data is partitioned depends on the size of the database that you are splitting. The following example shows two partitions, but you can configure more.

Figure 6-2
Simple Distribution
 Simple Distribution, with data split onto two back-end LDAP servers.

The requests are routed to one of the remote LDAP servers based on the distribution algorithm set during deployment.

The distribution algorithms are:

For more information on the different distribution algorithms, see Data Distribution Using the Proxy.

The advantages of a deployment using distribution is that it allows you to scale the number of updates per second. In order to diminish the number of broadcasts when using distribution, you can add a global index catalog with the Sun OpenDS Standard Edition proxy. For more information on the global index catalog, see Configuring the Global Index in Sun OpenDS Standard Edition 2.2 Administration Guide.

A simple distribution deployment can be easily configured during the Sun OpenDS Standard Edition proxy installation, using the vdp-setup GUI.