High-availability middleware on Linux, Part 5: High availability of Policy Server using High Availability Cluster Multi-Processing v5.3

The purpose of this article is to summarize the concept and importance of the high availability of Tivoli Access Manager (TAM) policy server. The article also explains the different possible scenarios of configuration using IBM AIX High Availability Cluster Multi-Processing (HACMP) v5.3, the comparison of different choices and step-by-step description of one such scenario , namely IP-address takeover via IP-replacement methodology. The article assumes preliminary knowledge of Tivoli Access Manager for e-business.