Definitions for "Switch fabric"
(1) The internal interconnect architecture used by a switching device, which redirects the data coming in on one of its ports out to another of its ports. (2) The combination of interconnected switches used throughout a campus or large geographic area, which collectively provide a routing infrastructure.
a connection element that redirects data from one line card port to another line card port in a system
a matrix of point-to-point interconnections where each end-point is connected to every other end-point through one or more switches