In this chapter, you will learn the following:
• Reasons for deploying multiple systems, including performance, capacity growth, redundancy, and disaster recovery
• Decide how to deploy multiple systems to get the most use out of them
• Discussion of common deployment architectures
This chapter covers a wide range of deployment scenarios when you want to run more than one Email Security Appliance (ESA). Because this covers virtually all ESA deployments, multiple system deployments are the norm rather than the exception.
Architecture and deployment topics cover the entire email environment from perimeter to end user. This book focuses on the ESA, of course, but issues concerning ...