Costs
In most cases, the annual maintenance costs dwarf the purchase price. For example, when policy servers are used (in both the plugin and proxy-based architectures), high-end hardware is needed in order to efficiently run the web access management infrastructure, because users will give up on accessing a web page if it takes more than several seconds to respond.
Centralized administration is an additional hidden cost, because customers will need to hire and train staff to exclusively manage policy entitlements for the underlying web applications. A final hidden cost relates to regulatory compliance. Since web access management is similar in concept to a firewall (more closely aligned to an application-layer firewall), it must be able to handle major audit requirements, especially for public companies subject to the Sarbanes-Oxley Act (not to mention those that are bound by the Health Insurance Portability and Accountability Act, PCI, or CPNI). Larger companies spend tremendous amounts of time and money auditing these web access management infrastructures since they are the enforcement points for many internal and external applications.
Read more about this topic: Web Access Management
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