Red Hat LINUX VIRTUAL SERVER - FOR ENTERPRISE LINUX 5.2 REV 05-2008 Manual page 68

Appendix A. Using LVS with Red Hat Cluster
Figure A.1. LVS with a Red Hat Cluster
Serving dynamic Web content with LVS requires a three-tier configuration (as shown in
Figure A.1, "LVS with a Red Hat Cluster"). This combination of LVS and Red Hat Cluster allows
for the configuration of a high-integrity, no-single-point-of-failure e-commerce site. The Red Hat
Cluster can run a high-availability instance of a database or a set of databases that are
network-accessible to the Web servers.
A three-tier configuration is required to provide dynamic content. While a two-tier LVS
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