Fujitsu ServerView Resource Orchestrator Cloud Edition V3.1.1 Operation Manual page 223

WWNN (World Wide Node Name)
A name that is set as a common value for the Fibre Channel ports of a node. However, the definitions of nodes vary between
manufacturers, and may also indicate devices or adapters. Also referred to as a node WWN.
WWPN (World Wide Port Name)
A name that is a unique value and is set for each Fibre Channel port (HBA, CA, fibre channel switch ports, etc.), and is the IEEE global
MAC address.
As the Fibre Channel ports of the same WWPN are unique, they are used as identifiers during Fibre Channel port login. Also referred
to as a port WWN.
WWPN zoning
The division of ports into zones based on their WWPN, and setting of access restrictions between different zones.
Xen
A type of server virtualization software.
XSB (eXtended System Board)
Unit for domain creation and display, composed of physical components.
XSCF (eXtended System Control Facility)
The name of the Remote Management Controller for SPARC Enterprise M series and SPARC M10 servers.
zoning
A function that provides security for Fibre Channels by grouping the Fibre Channel ports of a Fibre Channel switch into zones, and
only allowing access to ports inside the same zone.
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