Red Hat DIRECTORY SERVER 7.1 - DEPLOYMENT Deployment Manual page 206

A Multinational Enterprise and Its Extranet
Each locality contains two suppliers, which share master copies of the data for
that site. Each locality is therefore responsible for the master copy of its own data.
Using a multi-master architecture ensures the availability of the data and helps
balance the workload managed by each supplier server.
To reduce the risk of total failure, Corporation uses multiple
example.com
read-write supplier Directory Servers at each site.
The following diagram illustrates the interaction between the two supplier servers
in Europe and the two supplier servers in the US:
Figure 9-14 Supplier/Supplier Architecture for example.com Europe and example.com
US
206 Red Hat Directory Server Deployment Guide • May 2005