CENTRALIZED SWITCHING SYSTEM AND METHOD IN A RING NETWORK

摘要

A network includes a plurality of nodes (64-68) coupled to one another, each node operable to add/drop a plurality of signals, and an aggregation node (62) having a switching element (70) coupled to the plurality of nodes (64-68), the switching element (70) operable to route the plurality of signals from a source node to a destination node.