McDATA Eclipse 2640 SAN, Administration And Configuration Manual

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Glossary g-9
Glossary
Class F Fibre Channel
service
Used by switches to communicate across interswitch links (ISLs) to
configure, control, and coordinate a multiswitch fabric.
Class of Fibre Channel
service
Defines the level of connection dedication, acknowledgment, and
other characteristics of a connection.
client
A node that requests network services from a server. Typically the
node is a personal computer (PC).
client/server
computing
Architectural model that functionally divides that execution of a unit
of work between activities initiated by an end user or program
(client) and those maintaining data (servers). Originally thought to
make mainframes obsolete.
cluster
A group of processors interconnected by a high-speed network
(typically dedicated) for increased reliability and scalability. Clusters
are groupings of multiple servers in which information is shared
among systems. When a server in a cluster fails, one of the other
servers in the cluster assumes the responsibility of the failed server,
thereby ensuring server, application, and data availability.
command
(1) A character string from an external source to a system that
represents a request for system action
(D)
. (2) A request from a
terminal to perform an operation or execute a program
(D)
. (3) A
value sent through an I/O interface from a channel to a control unit
that specifies the operation to be performed
(D)
.
communications tray
The communications tray is a sliding tray located in the middle of the
Fabricenter cabinet. The communications tray holds the laptop
personal computer (PC), zip drive, and zip drive power supply.
community name
(SNMP)
A name that represents an simple network management protocol
(SNMP) community that the agent software recognizes as a valid
source for SNMP requests. A product recognizes a management
station as a valid recipient for trap information when the station’s
community names are configured.
community profile
Information that specifies which management objects are available to
what management domain or simple network management protocol
(SNMP) community name.
community (SNMP)
A relationship between an simple network management protocol
(SNMP) agent and a set of SNMP managers that defines
authentication, access control, and proxy characteristics.