distributed switching

Distributed switching: Switching in which many processor-controlled switching units are distributed, usually close to concentrations of users, and operated in conjunction with a host switch. Distributed switching provides improved communications services for concentrations of users remote from the host switch, and reduces the transmission requirements, i.e., the traffic, between such concentrations and the host switch.

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dielectric
dielectric strength
differential encoding
differential manchester encoding
diffraction grating
digital access and cross connect system
digital filter
digital milliwatt
digital multiplex hierarchy
digital signal 0
digital subscriber line

digital transmission group
digitizer
digroup
direct access
direct connect
direct distance dialing
directional coupler
directive gain
direct sequence spread spectrum
disengagement originator
dispersion limited operation

distortion
distortion limited operation
distributed database
distributed queue dual bus
disturbance voltage
diurnal phase shift
diversity reception
dod master clock
double ended synchronization
double sideband reduced carrier transmission
double sideband suppressed carrier transmission

doubly clad fiber
d region
drift
drop (liquid)
drop and insert
dropout
dual access
dual in line package
duct
duobinary signal
duplexer