Web-Based Enterprise Management (WBEM) is a set of systems management technologies developed to unify the management of distributed computing environments. WBEM is based on Internet standards and Distributed Management Task Force (DMTF) open standards: Common Information Model (CIM) infrastructure and schema, CIM-XML, CIM operations over HTTP, and WS-Management. Although the name refers to WBEM as being "web-based", it is not necessarily tied in any way to a particular user interface (see below). Other systems management approaches are remote shells, proprietary solutions and network management architectures like SNMP.
To understand the WBEM architecture, consider the components which lie between the operator trying to manage a device (configure it, turn it off and on, collect alarms, etc.) and the actual hardware and software of the device: