IP Performance Manager is an Domain Manager, where a Domain Manager is a service-assurance application associated with a particular type of information-technology domain (networks, systems, applications, application services). For IP Performance Manager, the domain is IP network transport performance. Each Domain Manager is autonomous in the sense that it maintains its own data models, repository, and problem signatures, and monitors and analyzes the discovered objects in its own domain.
IP Server Performance Manager is an enhanced version of IP Performance Manager and is available through a feature license. In addition to the standard capabilities of IP Performance Manager, IP Server Performance Manager can also discover and monitor host disks, host filesystems, and additional information about host processors and memory.