ATM
asynchronous transfer mode
DWDM
dense wavelength division multiplexing
ESCON
enterprise system connection
FDDI
fiber distributed data interface
FDM
frequency division multiplexing
FICON
fiber connection
FSP
fiber service platform
IP
Internet protocol
ISP
Internet service provider
LAN
local-area network
LEC
local-exchange carrier
MPLS
multiprotocol labeling system
OC
optical carrier
OSPF
open shortest path first
SAN
storage-area network
SNMP
signaling network management protocol
SONET/SDH
synchronous optical network/synchronous digital hierarchy
SRDF
symmetric remote data facility
T3
45-Mbps leased line
TDM
time division multiplexing
TL1
transaction language 1
UPSR
unidirectional path switched ring
VoIP
voice over IP
WDM
wavelength division multiplexing


