302 Understanding the IBM TotalStorage Open Software Family
Subagent A software component of SAN
products that provides the actual remote query
and control function, such as gathering host
information and communicating with other
components. This component is platform
dependent. See also SAN agent.
Subsystem masking The support provided
by intelligent disk storage subsystems like the
Enterprise Storage Server. See also LUN
masking and port zoning.
Switch A component with multiple entry and
exit points or ports that provide dynamic
connection between any two of these points.
Switch topology A switch allows multiple
concurrent connections between nodes. There
can be two types of switches: circuit switches
and frame switches. Circuit switches ...