Methods and systems of a disaggregated optical transport network (OTN) switching system that include using plug-in universal (PIU) modules each having multiple ports for OTN to Ethernet transceiving and an Ethernet fabric as a switching core are disclosed. An OTN over Ethernet module in each of the PIU modules may enable various OTN functionality to be realized using the Ethernet fabric which may include multiple Ethernet switches. An ith port of the multiple ports of each PIU module may be connected to the ith Ethernet switch of each of the Ethernet switches. A PIU module may be associated with a respective sequential order of the Ethernet switches. The PIU module may transmit an Ethernet packet from an ith port of the PIU module corresponding to the ith Ethernet switch, where the ith port is selected based on the respective sequential order of the Ethernet switches.

Systems and methods for Optical Transport Network (OTN) transmission include an adaptation circuit configured to receive a plurality of signals each from a corresponding optical modem of a plurality of optical modems, wherein each of the plurality of signals was received by the corresponding optical modem, and reassemble the plurality of signals into an Optical Transport Network (OTN) signal.

The present disclosure provides a protection group superposition switching method, a control apparatus, and an optical communication device. Multiple protection state machines are implemented by using a field programmable gate array (FPGA). Each protection state machine independently performs an automatic protection switching (APS) protocol operation for at least one protection group that is pre-associated with the protection state machine. At least one protection status table for recording a status of each protection group is updated according to a result of the APS protocol operation, and a cross-connection table for traffic cross-connection between communication units is updated according to the protection status table; the updated cross-connection table is configured into a cross-connection chip, so that the cross-connection chip performs traffic cross-connection according to the updated cross-connection table.

The present disclosure provides a protection group superposition switching method, a control apparatus, and an optical communication device. Multiple protection state machines are implemented by using a field programmable gate array (FPGA). Each protection state machine independently performs an automatic protection switching (APS) protocol operation for at least one protection group that is pre-associated with the protection state machine. At least one protection status table for recording a status of each protection group is updated according to a result of the APS protocol operation, and a cross-connection table for traffic cross-connection between communication units is updated according to the protection status table; the updated cross-connection table is configured into a cross-connection chip, so that the cross-connection chip performs traffic cross-connection according to the updated cross-connection table.

Systems and methods for Optical Transport Network (OTN) transmission include an adaptation circuit configured to receive a plurality of signals each from a corresponding optical modem of a plurality of optical modems, wherein each of the plurality of signals was received by the corresponding optical modem, and reassemble the plurality of signals into an Optical Transport Network (OTN) signal.

Systems and methods are provided for determining whether an optical cable matches a port on a switch device. The present disclosure can provide for a switch device which includes a cable identification tool. The cable identification tool can be configured to receive a port configuration table from a management device. The switch device can then obtain features of at least one cable attached to a port of the switch device. The switch device can then compare the obtained features with a table entry in the port configuration table to yield a comparison result. The table entry can correspond to the port to which the at least one cable is attached. Based on the comparison result, the switch device can generate one or more notifications. The notifications can indicate a match status of the at least one cable to the port.

Embodiments providing improved systems and methods deploying, monitoring, and troubleshooting optical physical layer networks are needed. In one embodiment, networks are first constructed in a specialized network factory, where they are racked, provisioned, audited, and tested by relevant experts in each technology. Then the equipment is custom-cratedwith all cards, patch cords, labels, and provisioning in placebefore being shipped to field locations. A production network health baseline is captured that creates a set of norms that later performance data can be compared against. Once the network is operational, the network health is monitored and compared against the baseline. If there's a deviation sufficient to satisfy a user-defined rule, a remedial action can be triggered. In another embodiment, a method isolates a problem in an optical transport network.

A multi-service transport and receiving method and apparatus are provided. The method includes: obtaining mapping transport control information of M services; determining a mapping procedure of the M services; and mapping the M services to a variable optical payload unit according to the mapping procedure. Therefore, a transport solution can be flexibly customized based on a transport requirement of a client service, so that a data plane becomes programmable.

Systems and methods are provided for determining whether an optical cable matches a port on a switch device. The present disclosure can provide for a switch device which includes a cable identification tool. The cable identification tool can be configured to receive a port configuration table from a management device. The switch device can then obtain features of at least one cable attached to a port of the switch device. The switch device can then compare the obtained features with a table entry in the port configuration table to yield a comparison result. The table entry can correspond to the port to which the at least one cable is attached. Based on the comparison result, the switch device can generate one or more notifications. The notifications can indicate a match status of the at least one cable to the port.

A method for mapping a packet service onto an optical transport network is disclosed. An embodiment of the method includes: receiving a packet service message from an access side, identifying the message by using a first board number of a first line board in which a first egress is located and a first port number of the first egress; sending the message to the first line board corresponding to the first board number; and encapsulating the message that is sent to the first line board, mapping the encapsulated message onto a first optical channel data unit ODU corresponding to the first port number, and sending the first ODU by using the first egress. Cross-connect scheduling of any bandwidth in any direction is implemented based on a packet service, and packet services on different tributary boards share different ODU timeslots or a same ODU timeslot on a same line board.