HP 316095-B21 - StorageWorks Edge Switch 2/24 Manual page 4

Glossary
agent
Software that processes queries on behalf of an application and returns replies.
alarm
Simple network management protocol (SNMP) message notifying an operator of a network or
device problem.
allowed connection
In S/390 mode in a director or switch, the attribute that, when set, establishes dynamic
connectivity capability. See also
connectivity, and unblocked
alias server
Fabric software facility that supports multicast group management.
allowed port connection
In S/390 mode, this attribute establishes dynamic connectivity capability.
area
The second byte of the node port (N_Port) identifier.
arbitrated loop
One of the three connection topologies offered by Fibre Channel protocol. Up to 126 node ports
and one fabric port can communicate without the need for a separate switched fabric.
arbitrated loop physical address
(AL_PA) — A 1-byte value used in the arbitrated loop topology that identifies loop ports
(L_Ports). This value then becomes the last byte of the address identified for each public L_Port
on the loop.
arbitration
Process of choosing one device from a collection of devices that request service simultaneously.
attribute
In S/390 mode, the connection status of the address on a configuration matrix: allowed, blocked,
or prohibited.
audit log
Log summarizing actions (audit trail) made by the user.
authentication
Verification of identity for a person or process.
backbone
Cable on which two or more stations or networks may be attached, typically used to link
computer networks at one site with those at another. Smaller branch networks are sometimes
called ribs.
4
blocked connection,
connection.
connectivity attribute,
Directors and Edge Switches Glossary
dynamic