Optical switching network and control method for same

Details Optical switching network and control method for same Optical switching network and control method for same

1996-12-16

1998-07-28

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359123, 370412, H04J 1402

Patent

active

057869170

ABSTRACT:
An optical switching network and control method are disclosed which include a network interface circuit and an optical switching device. The network interface device divides messages into control and data packets, and has transmission buffers for the storage of the control packets and data packets. Retry buffers for the temporary shunting and storage of control packets and data packets are provided, as well as a queue control circuit for controlling the transmission buffers and retry buffers. An optical transmitter electro-optically converts the data packets and outputs the results to an optical transmission path. An optical receiver is also provided for photoelectric conversion of optical signals inputted from the optical transmission path. A reception buffer stores the output of the optical receiver as reception data. The optical switching device includes an optical switch that performs a routing process on data packets transmitted from the optical transmitter, and an arbiter that performs management of line connection information, processing of control packets from the data transmitter, transmission of control signals to the queue control circuit, and switching control of the optical switch.

REFERENCES:
patent: 4608682 (1986-08-01), Nagashima et al.
patent: 5091905 (1992-02-01), Amada
patent: 5101290 (1992-03-01), Eng et al.
patent: 5105292 (1992-04-01), Le Roy et al.
patent: 5450225 (1995-09-01), Bostica et al.
"Fiber Channel Physical and Signaling Interface (FC-PH)", in ANSI X3 T11, REV. 4.3, 1994, pp. 19-20.

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