McDATA ULTRANET EDGE 3000, User Manual

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Glossary g-7
Glossary
Storage Area Networking
A high-speed network that establishes a direct connection between
storage devices and servers, thereby externalizing storage from the
the server and allowing information to be shared among multiple
host servers without affecting performance of the primary network.
striping
A RAID (Redundant Array of Inexpensive Disks) term. The process
of dividing a large logical block of data into multiple physical blocks
of equal size for storage on multiple disk drives. See RAD and
Redundant Array of Inexpensive Disks.
subnet
A network that is a component of a larger network.
switch A mechanical, electrical or electronic device which opens or closes
circuits, completes or breaks an electrical path, or selects paths or
circuits. McDATA SAN systems use a serial switch (for example, a
WTI or Penril device) to provide connectivity between an UltraNet
Edge 3000 and a modem.
synchronous Signals that are sourced from the same timing reference and have the
same frequency.
FC/SCSI Tape Pipelining Performs remote tape backup performance over extended distances
using a new or existing IP or ATM (FC/SCSI only at this time)
network, devices appear local to the server and sustained bandwidth
is comparable to local performance up to thousands of miles.
Telnet A program that allows you to connect to other computers on the
Internet. Telnet is the terminal-remote host protocol developed for
ARPAnet. The format of the telnet command is telnet
address.domain or telnet address.domain interface #.
TCP/IP T ransmission C ontrol P rotocol/ I nternet P rotocol. A special type of
communication protocol used by some computer networks.
UBR ATM U nspecified B it R ate
VBR
ATM V ariable B it R ate
VCI ATM V irtual C ircuit I dentifier
VPI ATM V irtual P ath I dentifier
WAN See W ide A rea N etwork.
Wide Area Network A computer and voice network that encompasses a geographical area
including campuses, metropolitan areas, and combinations of such
areas.
WWN
W orld W ide N ame, a 64 bit unique identifier for nodes and ports in a
fabric.