IBM Cognos 8 has a multitiered architecture. For description purposes, it can be separated into three tiers: Web server, applications, and data. The tiers are based on business function, and are typically separated by network firewalls. IBM Cognos 8 user interfaces sit above the tiers.
This information describes a single-server IBM Cognos 8 configuration. To meet your requirements, you can choose a different configuration. For more information, see Installation Options.
