This architecture appears to overlap with the, then, Bell Labs LambdaXtreme telephone switch. It was sold to Alcatel as it appears to be an optimum design for a

This architecture appears to overlap with the, then, Bell Labs LambdaXtreme telephone switch. It was sold to Alcatel as it appears to be an optimum design for a swich that covers the E.U. Switching was likely in the control plane, and perhaps an optical fabric was used for administrative changes in both the control and dats pkane.