HP XC System Software Hardware Preparation Guide Version 2.1

Glossary
A
Administrati
ve Network
The private networ k wi thi n the XC system that is used for administrative operations.
admin branch
The half (branch) of the Administrative Network that co ntains all of the general-purpose admin
ports to t he nodes of the XC system.
B
base image
The collection of files and directories that rep resents the com m on files and configuration data
thatareappliedtoallnodesinanXCsystem.
branch switch
A component of the Administrative Network. A switch that is up linked to the root switch and
receives physical connections from multiple nodes.
C
cluster
A set of independent computers combined into a unified system through system software and
networking technologies.
cluster a lias
The external cluster host name supported by LVS, which enables inbound connections without
having to know individual nodes nam es to conn ect and log in to the XC sys tem .
Console Branch
A component of the Admin istr ative Network. The half (b ranch) of the A dministrative Network
that contains all of the console ports of the nodes of the XC system. T his branch is established
as a separate branch to enable some level of partitioning of the Admini strative Network to
support specific security needs.
D
DHCP
Dynamic Host C on trol Protocol. A protocol that d ynamically allocates IP addresses t o
computers o n a local area network.
Dynamic Host Control Protocol
See DHCP
E
EFI
Extensible Firmware Interface. Defines a model for the interface between operating systems
and Itanium-based platform firmware. T he interface consists of data tables that contain
platform-related inform ation, plus boot and run-time service calls that are available to the
operating system and its loader. Togeth er, these provide a standard environment for booting an
operating system and running preboot application s.
Glossary-1