H - Electricity – 04 – L
Patent
H - Electricity
04
L
325/1, 344/28
H04L 12/56 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 1331047
ABSTRACT A node for a fast packet-switching network in hybrid optical-electrical technology has an optical switching matrix and an electrical control portion which processes signal packets and the headers of information packets. The control portion updates the label of information packets held in an optical buffer and, depending on such a label, searches for a routing through the node. A centralized node controller processes the signal packets, while a distributed input processing system processes the information packet headers and routes the packets through the network. For all communications in progress, the distributed input processing system periodically forwards routing requests towards an electrical self-routing switching matrix associated with the optical matrix; when a connection path has been found between an input and an output of the electrical matrix, the same path is reproduced in the optical matrix and the packets are transferred from the optical buffer to the node output through the optical matrix.
592360
Agilent Technologies Inc.
Ridout & Maybee Llp
LandOfFree
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