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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

Small Replicated Topology

The Role of Directory Servers in a Topology

The Role of Replication Servers in a Topology

Multiple Data Center Topology

Multiple Data Centers and Replication Groups

Multiple Data Centers and the Window Mechanism

6.  Example Deployments Using the Proxy Server

7.  Simple Proxy Deployments Using the Command Line Interface

8.  Deploying Advanced Proxy Architectures

The Role of Replication Servers in a Topology

Replication servers are responsible for the following tasks:

Each replication server contains a list of all the other replication servers in the replication topology. Replication servers are also responsible for providing other servers with information about the replication topology. Even the smallest deployment must include two replication server instances, to ensure availability in case one of the replication server instances fails. There is usually no need for additional replication server instances unless the directory service must be able to survive more than one failure at a time, or unless the number of directory server instances must be very large.

Although replication servers do not store directory data, they are always LDAP servers or JMX servers. Like directory servers, replication servers can be configured, monitored, backed up and restored.