Fujitsu Siemens Computers SPARC Enterprise M8000 - Manual (Page 155)

Glossary-1
Glossary
This glossary describes some of the terms used in this manual.
Capacity on Demand
(COD) An option that provides additional CPU processing resources when needed.
These additional CPUs are provided on COD CPU boards that are installed in
the system. To access the COD CPUs, you must purchase the COD right-to use
(RTU) licenses for them.
CPU/Memory Board
unit (CMU) The CPU/Memory unit (CMU) consists of the CPU, memory and CMU
channel.
CPU core A segmented processing unit of the CPU chip. A virtual processor.
CPU module A module containing one or two CPU chip(s).
Domain Component
List (DCL) List of boards available to be attached to a domain.
domain ID (DID) Domain identifier.
Domain-SP
Communication
Protocol (DSCP) Protocol which provides a user-level to user-level TCP/IP sockets type
communication between the Service Processor and a domain. This
communication occurs over a mailbox type of communication provided by
other software components.
eXtended system board
(XSB) The XSB is made of physical components. In the XSB, the PSB can be either one
complete unit (undivided status) or divided into four subunits. The XSB is a
unit used for domain construction and identification, and can be also used as a
logical unit.
eXtended System
Control Facility
(XSCF) The software that runs on this system Service Processor and provides control
and monitoring functions for this system platform.