Mesh architecture for synchronous cross-connects
First Claim
1. A synchronous cross-connect switch, comprising:
- a mesh architecture including a plurality of inputs for receiving one or more data samples presented to the cross-connect switch, the mesh architecture comprising a plurality of nodes operatively interconnected with one another using one or more half-duplex links, each of the nodes comprising;
a receiver for receiving at least one data sample presented to the node;
a transmitter for transmitting at least one data sample from the node;
an input time-slot-interchanger (TSI) operatively coupled to at least a first half-duplex link and to the receiver, the input TSI being configurable to selectively reorder one or more data samples received by the receiver;
an output TSI operatively coupled to at least a second half-duplex link and to the transmitter, the output TSI being configurable to selectively reorder one or more data samples to be transmitted by the transmitter; and
a controller operatively coupled to the receiver and transmitter, the controller being configured to selectively route a data sample to at least one of;
(i) an output of the cross-connect switch; and
(ii) an adjacent node in the mesh architecture.
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Accused Products
Abstract
A synchronous cross-connect switch for routing data samples from a source node to a destination node comprises a mesh architecture including a plurality of inputs for receiving one or more of the data samples presented to the cross-connect switch. The mesh architecture includes a plurality of nodes operatively interconnected with one another using one or more half-duplex links. Each of the nodes further includes a receiver and a transmitter. Each node further includes an input time-slot-interchanger (TSI) operatively coupled to a first half-duplex link and to the receiver, the input TSI being configurable to selectively reorder one or more data samples received by the receiver, and an output TSI operatively coupled to a second half-duplex link and to the transmitter, the output TSI being configurable to selectively reorder one or more data samples to be transmitted by the transmitter. A controller operatively coupled to the receiver and to the transmitter is configured to selectively route a data sample to at least one of an output of the cross-connect switch and an adjacent node in the mesh architecture in a conflict-free manner.
51 Citations
25 Claims
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1. A synchronous cross-connect switch, comprising:
a mesh architecture including a plurality of inputs for receiving one or more data samples presented to the cross-connect switch, the mesh architecture comprising a plurality of nodes operatively interconnected with one another using one or more half-duplex links, each of the nodes comprising;
a receiver for receiving at least one data sample presented to the node;
a transmitter for transmitting at least one data sample from the node;
an input time-slot-interchanger (TSI) operatively coupled to at least a first half-duplex link and to the receiver, the input TSI being configurable to selectively reorder one or more data samples received by the receiver;
an output TSI operatively coupled to at least a second half-duplex link and to the transmitter, the output TSI being configurable to selectively reorder one or more data samples to be transmitted by the transmitter; and
a controller operatively coupled to the receiver and transmitter, the controller being configured to selectively route a data sample to at least one of;
(i) an output of the cross-connect switch; and
(ii) an adjacent node in the mesh architecture.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of routing one or more data samples through a cross-connect switch, the cross-connect switch including a plurality of nodes operatively coupled in a mesh arrangement, each of the nodes including one or more time-slots associated therewith, the method comprising the steps of:
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precomputing one or more routing sequences, the routing sequences reducing a routing in the mesh to a one-to-one routing within each of the time-slots;
reordering the data samples within one or more source nodes in accordance with the precomputed routing sequences;
routing the data samples from the one or more source nodes to one or more corresponding destination nodes through the mesh arrangement; and
reordering the data samples within the destination nodes, whereby the data samples are transmitted during a correct time-slot. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An integrated circuit including at least one synchronous cross-connect switch, the at least one synchronous cross-connect switch comprising:
a mesh architecture including a plurality of inputs for receiving one or more data samples presented to the cross-connect switch, the mesh architecture comprising a plurality of nodes operatively interconnected with one another using one or more half-duplex links, each of the nodes comprising;
a receiver;
a transmitter;
an input time-slot-interchanger (TSI) operatively coupled to at least a first half-duplex link and to the receiver, the input TSI being configurable to selectively reorder one or more data samples received by the receiver;
an output TSI operatively coupled to at least a second half-duplex link and to the transmitter, the output TSI being configurable to selectively reorder one or more data samples to be transmitted by the transmitter; and
a controller operatively coupled to the receiver and transmitter, the controller being configured to selectively route a sample to at least one of;
(i) an output of the cross-connect switch;
(ii) and an adjacent node in the mesh architecture.- View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A synchronous cross-connect switch, comprising:
a distributed mesh architecture including a plurality of inputs for receiving one or more data samples presented to the cross-connect switch, the distributed mesh architecture comprising a plurality of segments, each of the segments including a plurality of nodes associated therewith, the nodes in each of the segments being operatively interconnected with one another using one or more half-duplex links, each of the nodes comprising;
a plurality of receivers, at least one of the plurality of receivers being configured to receive a data sample presented to the node;
a plurality of transmitters, at least one of the plurality of transmitters being configured to transmit a data sample from the node;
an input time-slot-interchanger (TSI) operatively coupled to at least a first half-duplex link and to the receiver, the input TSI being configurable to selectively reorder one or more data samples received by the at least one receiver;
an output TSI operatively coupled to at least a second half-duplex link and to the transmitter, the output TSI being configurable to selectively reorder one or more data samples to be transmitted by the at least one transmitter; and
a controller operatively coupled to the plurality of receivers and to the plurality of transmitters, the controller being configured to selectively route a data sample to at least one of;
(i) an output of the cross-connect switch;
(ii) an adjacent node in a same segment in the mesh architecture; and
(iii) an adjacent node in an adjacent segment in the mesh architecture.- View Dependent Claims (24, 25)
Specification