Cyclades AlterPath BladeManager User Manual
Page 189

Glossary
AlterPath Manager E2000 Manual
Glossary-3
Cluster
A cluster is a group of one or more computers working as a
group to execute a certain task. From the user standpoint, a 
cluster acts as a large computer system.
Console
Terminal used to configure network devices at boot (start-up)
time. Also used to refer to the keyboard, video and mouse 
user interface to a server.
Console Port
Most of the equipment in a data center (servers, routers,
switches, UPS, PBX, etc.) has a serial console port for out-
of-band management purposes.
DHCP
Dynamic Host Configuration Protocol. A protocol for
automatic TCP/IP configuration that provides static and 
dynamic address allocation and management. 
DHCP enables individual computers on an IP network to
extract their configurations from a server (the 'DHCP server') 
or servers, in particular, servers that have no exact 
information about the individual computers until they request 
the information. The overall purpose of this is to reduce the 
work necessary to administer a large IP network. The most 
significant piece of information distributed in this manner is 
the IP address.
DNS Server
Domain Name Server. The computer you use to access the
DNS to allow you to contact other computers on the Internet. 
The server keeps a database of host computers and their IP 
addresses.
Domain Name
The unique name that identifies an Internet site. Domain
Names always have 2 or more parts, separated by dots. The 
part on the left is the most specific, and the part on the right is 
the most general. A given machine may have more than one 
Domain Name but a given Domain Name points to only one 
machine. For example, the domain names: matisse.net, 
mail.matisse.net, workshop.matisse.net can all refer to the 
same machine, but each domain name can refer to no more 
than one machine. Usually, all of the machines on a given 
