EMC Connectrix EC-1200 Planning Manual page 224

Glossary
URL Uniform Resource Locater, the addressing system used by the World
Wide Web. It describes the location of a file or server anywhere on the
Internet.
W
Warning Message An indication that a possible error has been detected. See also Error
Message and Information Message.
World Wide Name A unique identifier, even on global networks. The WWN is a 64-bit
number (XX:XX:XX:XX:XX:XX:XX:XX).
WWN See World Wide Name.
Z
Zone A set of devices that can access one another. All connected devices
may be configured into one or more Zones. Devices in the same Zone
can "see" each other, while different Zones cannot.
Zoning Zoning allows an administrator to group several devices by function
or by location. All devices connected to a connectivity product, such
as a Connectrix switch, may be configured into one or more Zones.
Zone Set A set of Zones.
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Connectrix v6.02 Planning Guide