CN117956324A

CN117956324A - All-optical cross networking system and optical signal transmission method

Info

Publication number: CN117956324A
Application number: CN202410020905.9A
Authority: CN
Inventors: 吴敏; 李文宇
Original assignee: Fiberhome Telecommunication Technologies Co Ltd
Current assignee: Fiberhome Telecommunication Technologies Co Ltd
Priority date: 2024-01-05
Filing date: 2024-01-05
Publication date: 2024-04-30

Abstract

An all-optical cross networking system and an optical signal transmission method are provided, wherein the all-optical cross networking system comprises a plurality of OXC devices, and each OXC device comprises an all-optical cross unit, an east-west interface, an optical transmission section layer interface, a service interface, a branch disk and a circuit disk; the external end of the east-west interface is connected with another OXC device; the east-west interface, the optical transmission section layer interface, the service interface, the branch disk and the line disk are all connected with the all-optical cross unit; the all-optical cross unit is used for carrying out path switching on optical signals transmitted by the east-west interface, the optical transmission section layer interface, the service interface, the branch circuit board and the line board, so as to realize all-optical cross connection networking among a plurality of OXC devices. According to the application, the external end of the east-west interface is connected with other OXC equipment, and the long fiber and service accessed to one OXC equipment can be transmitted and scheduled in the OXC equipment and can be transmitted and scheduled to other OXC equipment, so that more paths and resources can be connected and scheduled.

Description

All-optical cross networking system and optical signal transmission method

Technical Field

The application relates to the technical field of communication, in particular to an all-optical cross networking system and an optical signal transmission method.

Background

With the annual increase of throughput demands of OTN (optical transport network, optical transmission network), ROADM (Reconfigurable Optical Add-Drop Multiplexer, reconfigurable optical add/Drop Multiplexer) can implement multi-dimensional and high-capacity wavelength level scheduling, has the advantages of low delay and low power consumption, and meets networking demands of trunk, metropolitan area, data center interconnection and the like. With the increase of the dimension, the number of the internal connection fibers of the ROADM site is increased sharply, so that the opening and maintenance time is long, errors are prone to occur, and the occupied area and the power consumption are also increased greatly.

The OXC (Optical Cross-Connect) optimizes and improves the problems occurring in the ROADM in use, and uses an all-Optical non-crossing Optical backplane to cooperate with a high-integration Optical line board and an Optical branch board, so that a plugboard, namely a fiber connection, is realized, complex internal fiber connection is avoided, and the opening and maintenance efficiency is improved.

An OXC device is regarded as a frame, the connection networking of the OXC device at present adopts a single frame design, the number of slots on the OXC device is very limited, and when the slots on the OXC device are fully inserted, the slots cannot be expanded any more, so that the resources capable of connection scheduling are very limited.

Disclosure of Invention

The application provides an all-optical cross networking system and an optical signal transmission method, which aim to solve the technical problem that in the prior art, the connection networking of an OXC device adopts a single frame design, the number of slots on one OXC device is very limited, and after the slots on one OXC device are fully inserted, the slots cannot be expanded any more, so that the resources capable of connection scheduling are very limited.

In a first aspect, an embodiment of the present application provides an all-optical cross networking system, where the all-optical cross networking system includes a plurality of OXC devices, where the OXC devices include an all-optical cross unit, an eastern west interface, an optical transmission segment layer interface, a service interface, a tributary disk and a line disk; the external end of the east-west interface is connected with another OXC device; the east-west interface, the optical transmission section layer interface, the service interface, the branch disc and the line disc are all connected with the all-optical cross unit; the all-optical cross unit is used for carrying out path switching on optical signals transmitted by the east-west interface, the optical transmission section layer interface, the service interface, the branch disk and the line disk, so as to realize all-optical cross connection networking among a plurality of OXC devices.

Optionally, the all-optical cross unit includes an optical backboard and an optical switching device, the optical switching device is an m×n array optical switch or an optical chip, and M and N are both positive integers, and when the optical switching device is the optical chip, the all-optical cross unit adopts a landfill type optical backboard and an optical chip to realize integrated design.

Optionally, the all-optical cross unit is specifically configured to:

Receiving an optical signal of another OXC device through an east-west interface, and performing first path transmission according to routing information carried by the optical signal of the other OXC device, wherein the performing the first path transmission comprises transmitting the optical signal of the other OXC device to a target node through another east-west interface or an optical transmission section layer interface or a service interface;

Receiving an optical signal of an optical transmission section layer through an optical transmission section layer interface, and carrying out second path transmission according to routing information carried by the optical signal of the optical transmission section layer, wherein the second path transmission comprises the steps of transmitting the optical signal of the optical transmission section layer to a line board, and transmitting the optical signal of the optical transmission section layer to a target node through an east-west interface or the optical transmission section layer interface or a service interface after the optical signal of the optical transmission section layer is processed by the line board;

and receiving the service optical signal through the service interface, and transmitting a third path according to the routing information carried by the service optical signal, wherein the transmitting of the third path comprises transmitting the service optical signal to a branch disk, and transmitting the service optical signal to a target node through an east-west interface or an optical transmission section layer interface or a service interface after the service optical signal is processed by the branch disk or the line disk, wherein the target node comprises an OXC device.

Optionally, the all-optical cross unit is specifically configured to:

Detecting whether a target circuit board to be transmitted by the optical transmission section layer optical signal has a fault or not;

If the target line disk fails, transmitting the optical signal of the optical transmission section layer to the line disk which does not fail;

And if the target line disk does not have a fault, transmitting the optical signal of the optical transmission section layer to the target line disk.

Optionally, the all-optical cross unit is specifically configured to:

Detecting whether a target branch disk to be transmitted by a business optical signal fails;

if the target branch disk fails, transmitting the service optical signal to the branch disk which does not fail;

And if the target branch disk does not have a fault, transmitting the service optical signal to the target branch disk.

In a second aspect, an embodiment of the present application provides an optical signal transmission method, applied to an OXC device, where the OXC device includes an all-optical interleaving unit, where the optical signal transmission method includes:

The all-optical cross unit receives an optical signal of another OXC device through an east-west interface, and performs first path transmission according to routing information carried by the optical signal of the other OXC device, wherein the performing of the first path transmission comprises transmitting the optical signal of the other OXC device to a target node through another east-west interface or an optical transmission section layer interface or a service interface;

The all-optical cross unit receives an optical transmission section layer optical signal through an optical transmission section layer interface, and performs second path transmission according to routing information carried by the optical transmission section layer optical signal, wherein the second path transmission comprises the steps of transmitting the optical transmission section layer optical signal to a line board, and transmitting the optical transmission section layer optical signal to a target node through an east-west interface or an optical transmission section layer interface or a service interface after the optical transmission section layer optical signal is processed by the line board;

The all-optical cross unit receives the service optical signals through the service interface and performs third path transmission according to the routing information carried by the service optical signals, wherein the performing of the third path transmission comprises transmitting the service optical signals to the branch disk, and transmitting the service optical signals to the target node through the east-west interface or the optical transmission section layer interface or the service interface after the service optical signals are processed by the branch disk or the line disk, wherein the target node comprises an OXC device.

Optionally, the transmitting the optical signal of the optical transmission segment layer to the line disc includes:

Optionally, the transmitting the service optical signal to the tributary disk includes:

In a third aspect, an embodiment of the present application provides an optical signal transmission apparatus, where the optical signal transmission apparatus includes a processor, a memory, and an optical signal transmission program stored on the memory and executable by the processor, where the optical signal transmission program, when executed by the processor, implements the steps of the optical signal transmission method as described above.

In a fourth aspect, an embodiment of the present application provides a readable storage medium having stored thereon an optical signal transmission program, where the optical signal transmission program, when executed by a processor, implements the steps of the optical signal transmission method as described above.

The technical scheme provided by the embodiment of the application has the beneficial effects that:

In the embodiment of the application, the all-optical cross networking system comprises a plurality of OXC devices, wherein each OXC device comprises an all-optical cross unit, an east-west interface, an optical transmission section layer interface, a service interface, a branch disk and a circuit disk; the external end of the east-west interface is connected with another OXC device; the east-west interface, the optical transmission section layer interface, the service interface, the branch disc and the line disc are all connected with the all-optical cross unit; the all-optical cross unit is used for carrying out path switching on optical signals transmitted by the east-west interface, the optical transmission section layer interface, the service interface, the branch disk and the line disk, so as to realize all-optical cross connection networking among a plurality of OXC devices. According to the embodiment of the application, the interfaces of each OXC device are divided into the east-west interfaces, the optical transmission section layer interfaces and the service interfaces according to functions, and the external ends of the east-west interfaces are connected with other OXC devices, so that long fibers and services accessed into one OXC device can be transmitted and scheduled between a branch disk and a circuit disk in the OXC device, and can be transmitted and scheduled to other OXC devices, and more paths and resources can be connected and scheduled.

Drawings

FIG. 1 is a schematic diagram of an OXC device in accordance with one embodiment of an all-optical cross-networking system of the present application;

FIG. 2 is a schematic diagram of an OXC device cluster networking in accordance with one embodiment of the all-optical cross networking system of the present application;

FIG. 3 is a schematic diagram of a first design of an all-optical cross-over unit according to an embodiment of the all-optical cross-over networking system of the present application;

FIG. 4 is a schematic diagram of a second design of an all-optical cross-over unit according to an embodiment of the all-optical cross-over networking system of the present application;

FIG. 5 is a flow chart of an embodiment of an optical signal transmission method according to the present application;

fig. 6 is a schematic hardware structure of an optical signal transmission device according to an embodiment of the present application.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.

In a first aspect, an embodiment of the present application provides an all-optical cross-networking system.

In an embodiment, referring to fig. 1, fig. 1 is a schematic diagram of an OXC device structure in an embodiment of an all-optical cross networking system of the present application, where, as shown in fig. 1, the all-optical cross networking system includes a plurality of OXC devices, where the OXC devices include an all-optical cross unit, an eastern-western interface, an optical transmission segment layer interface, a service interface, a tributary disk and a line disk; the external end of the east-west interface is connected with another OXC device; the east-west interface, the optical transmission section layer interface, the service interface, the branch disc and the line disc are all connected with the all-optical cross unit; the all-optical cross unit is used for carrying out path switching on optical signals transmitted by the east-west interface, the optical transmission section layer interface, the service interface, the branch disk and the line disk, so as to realize all-optical cross connection networking among a plurality of OXC devices.

In this embodiment, the all-optical cross networking system includes a plurality of OXC devices, each OXC device includes a plurality of interfaces that are functionally divided into an eastern and western interface, an optical transmission section layer interface and a service interface, it needs to be described that the eastern and western interface, the optical transmission section layer interface and the service interface may be a plurality of interfaces, each OXC device includes a plurality of service disks, and is functionally divided into a tributary disk and a line disk, the tributary disk and the line disk may be a plurality of optical transmission section layer interfaces, i.e. OTS interfaces (OTS is referred to as Optical Transmission Section Layer, optical transmission section layer) are used for transmitting OTS optical signals, so as to realize connection of long optical fibers of a cross section, and the outer end of each eastern and western interface is connected with other OXC devices, and as shown in fig. 1, the outer end of the eastern and western interface 1 is connected with another OXC device 2, the inner end of the eastern and western interface 1 is connected with an all-optical cross unit, the outer end of the eastern and western interface 2 is connected with another OXC device 3, and the inner western interface is also connected with an all-optical cross unit of the tributary interface, and each of the tributary interface is connected with an all-optical cross section interface, so that the traffic interface can be further connected with the traffic disk, the all-optical cross section interface can be connected with the other OXC devices, the optical cross section interface, the traffic channel can be further connected with the all-optical cross section interface, the traffic channel can be further connected with the all-optical cross section interface, and the optical cross channel interface, and the other optical cross-section interface, and the service interface can be connected with all-optical cross-optical interface, and the optical cross-optical cross networking system, and the other optical cross networking system can be further can be connected with all optical cross-optical interface and the other optical interface and other optical cross-optical system.

In this embodiment, based on the all-optical cross networking system provided by the present application, a very flexible OXC device cluster networking can be implemented, referring to fig. 2, fig. 2 is a schematic diagram of an OXC device cluster networking in an embodiment of the all-optical cross networking system of the present application, as shown in fig. 2, each OXC device may use the same or different dimensions of design, one interface or one optical transmission path is equivalent to one dimension, so as to implement a networking scenario of OXC100-OXC101-OXC102-OXC103, in fig. 2, an uplink service optical signal λn passes through an uplink OXC100 device, and λn may be distributed to four directions of 01, 02, 03 and 04 through an all-optical cross unit (optical backplane and optical switching device) of OXC100, so as to implement scheduling of services in more dimensions, for example: the method and the system allocate the lambdan to the 01 direction, the 01 direction can be intra-disk switching or optical transmission section layer switching, so that local service transfer is realized, the lambdan can be allocated to the 02, 03 and 04 directions, the service is scheduled to other OXC devices, the scheduling and transmission of the service among the OXC devices are realized, thereby realizing new scheduling resources of the service, the service in the OXC100 device in FIG. 2 can be randomly scheduled to other OXC devices, more feasibility is provided for a routing path, and the cluster networking of the OXC devices is realized through the expansion connection of one OXC device. And the flexible cluster networking and resource scheduling of the OXC equipment are realized by further combining with an optical signal system model program, such as a label, a channel management control system and the like and combining channel configuration path information and a channel configuration routing algorithm.

Further, in an embodiment, the all-optical cross unit includes an optical backplane and an optical switching device, where the optical switching device is an m×n array optical switch or an optical chip, and both M and N are positive integers, and when the optical switching device is an optical chip, the all-optical cross unit adopts a landfill type optical backplane and an optical chip to implement an integrated design.

In this embodiment, the Circuit board device may adopt a high-dimensional WSS (WAVELENGTH SLECT SWTICH, wavelength selective switch), the WSS may be implemented using LCoS (Liquid Crystal on Silicon ) or LC (Liquid Crystal) technology to implement flexible wavelength scheduling, support dynamic channel spacing configuration, and the optical backplane device, for example, a fixed optical fiber optical backplane or a PLC (PLANAR LIGHT Circuit, planar optical path technology) optical backplane of an integrated optical chip, uses MT/MPO (as an ferrule and push-pull optical fiber interface) interface for a large number of optical fiber ports, to implement 12-48 core or higher designs, and to implement higher integration of the optical fiber ports. The optical switch may use a MEMS (Micro-Electro MECHANICAL SYSTEM, micro Electro mechanical system) 2D or 3D type array of integrated M x N optical switches, and through the combined design of these devices, all-optical cross-connect is achieved.

In this embodiment, taking the wavelength selection dimension of the tributary disk of the OXC device as X Y (X > Y), the wavelength selection unit dimension of the line disk as X Y, the dimension of the all-optical cross unit as M X N, the design dimension of the OXC device as Z (i.e. the number of interface slots of the OXC device), the number of cluster frames as W (i.e. the number of OXC devices in the cluster networking) as an example, referring to fig. 3, fig. 3 is a first design schematic diagram of the all-optical cross unit of an embodiment of the all-optical cross networking system of the present application, as shown in fig. 3, the dimension of the general M X N array optical switch is not very high, non-fully automatic switching in a frame can be used, the Z dimension of the tributary disk and the line disk is directly connected through the optical back plate, the Z dimension cross (X is larger than Z) in the frame is realized, the redundant dimension of X-Z is connected to the all-optical cross unit through the optical back plate to the interface frame interface area, and the interface area is expanded. Specifically, the Z cores of the X ports in the large dimension direction of the combined wave of the branch and the circuit board are butted through the optical backboard. The rest X-Z dimension of the X interface of the branch disk is butted through an M interface of an M X N optical switch and can be switched to an N interface, the X-Z dimension is designed to be an extended service interface, the rest X-Z dimension of the X interface of the circuit disk is butted through the M interface of the M X N optical switch and can be switched to an N interface, the X-Z dimension is designed to be an east-west interface, and the cross design of the Z dimension (X is more than or equal to Z) of the branch line of the X butt joint in the frame is realized. Meanwhile, the wave combining dimension Y of the circuit board is in butt joint with an M dimension interface of an M x N optical switch through an optical backboard interface, the all-optical cross unit can switch signals to an N port, a Y core part port of the N port is designed to be an optical transmission section layer interface, and a part port of the N port is designed to be an east-west interface (line expansion in the east-west interface). The OUT of the service interface can carry path information through the service signal, and the service switching is realized through the all-optical cross unit, the switching dimension of the OUT of the service interface is z×w, and the specific dimension resource quantity of the expandable scheduling is shown in table 1.

Table 1.

In this embodiment, referring to fig. 4, fig. 4 is a second schematic design diagram of an all-optical cross unit in an embodiment of an all-optical cross networking system of the present application, as shown in fig. 4, an integrated design may be implemented by using a landfill type optical back plate and an optical chip for the all-optical cross unit, so that all dimensions of a branch disk and a line disk may be connected with the all-optical cross unit to implement resource scheduling with more dimensions, a wavelength selection dimension of the branch disk of an OXC device is x×y, a wavelength selection unit dimension of the line disk is x×y, a dimension of the all-optical cross unit is m×n, a design dimension of the OXC device is Z (i.e., an interface slot bit number of the OXC device), a cluster frame number is W (i.e., a number of OXC devices in the cluster networking), and m×n is designed by using a landfill type PLC type optical adding chip, M and N satisfy M > x×z+y×z, N > x×z, so that an active optical back plate is formed, and a number of optical back plates can be expanded by the dimensions of the branch disk and the line disk, and the new dimension of the line disk can be connected with the x×n by extending the dimension of the line disk, and the m×n_n.

Table 2.

Further, in an embodiment, the all-optical cross unit is specifically configured to:

In this embodiment, after an optical signal of another OXC device is accessed to the OXC device from one eastern and western interface, since the eastern and western interfaces are connected with the all-optical cross unit, the routing information includes information such as a source address, a destination address, a transmission path and the like of optical signal transmission, and the all-optical cross unit of the OXC device can transmit the routing information carried by the optical signal of the other OXC device accessed by the eastern and western interface to the destination node through the other eastern and western interface or the optical transmission segment layer interface or the service interface, and the destination node includes the OXC device, so that flexible cluster networking among multiple OXC devices can be realized. After an optical signal of an optical transmission section layer is accessed to an OXC device through an optical transmission section layer interface, an all-optical cross unit of the OXC device performs matching according to route information carried by the optical signal of the optical transmission section layer to determine a target line disk, the optical signal of the optical transmission section layer is transmitted to the matched target line disk, and then the optical signal of the optical transmission section layer is transmitted to a target node through an east-west interface or the optical transmission section layer interface or a service interface, so that automatic connection of the optical transmission section layer can be realized, the target node comprises the OXC device, and the optical transmission section layer can be selectively switched to other OXC devices, so that more connection resources of the optical transmission section layer are realized. After the service optical signal is accessed to the OXC device through the service interface, the all-optical cross unit of the OXC device can transmit the service optical signal to the corresponding branch disc according to the routing information carried by the service optical signal, so that the business can be carried out on the same frame as the OXC device, the target node comprises the OXC device, after the service optical signal is processed through the branch disc or the line disc, namely, the path analysis of the service optical signal can be analyzed on the branch disc or the line disc, after analysis, a switching command is issued through the management and control system, and the service optical signal is transmitted to other OXC devices through the east-west interface or the optical transmission section layer interface or the service interface, so that the business can be carried out on the frames.

In this embodiment, if the target line disk to which the optical signal of the optical transmission segment layer is to be transmitted fails, the optical signal of the optical transmission segment layer can be transmitted to other line disks that do not fail, and the optical signal of the optical transmission segment layer can be transmitted to other OXC devices through the east-west interface, so that protection of more path dimensions of the optical transmission segment layer can be provided.

In this embodiment, if the target tributary disk to which the service optical signal is to be transmitted fails, the service optical signal may be transmitted to not only other tributary disks that do not fail, but also other OXC devices through the eastern-western interface, so that protection of more path dimensions can be provided for the service, and the single-frame connection networking of the conventional OXC device can only provide 1 for the service: protection of Z (where Z is the number of slots of the OXC device).

In a second aspect, an embodiment of the present application provides an optical signal transmission method.

In an embodiment, referring to fig. 5, fig. 5 is a flow chart of an embodiment of an optical signal transmission method of the present application, as shown in fig. 5, applied to an OXC device, where the OXC device includes an all-optical cross unit, and the optical signal transmission method includes:

Step S10, the all-optical cross unit receives the optical signal of the other OXC device through the east-west interface, and performs first path transmission according to the routing information carried by the optical signal of the other OXC device, wherein the performing of the first path transmission comprises transmitting the optical signal of the other OXC device to the target node through the other east-west interface or the optical transmission section layer interface or the service interface.

In this embodiment, the OXC device is an OXC device in an all-optical cross-over networking system, each OXC device in the all-optical cross-networking system includes multiple interfaces that are functionally divided into an eastern-western interface, an optical transmission section layer interface and a service interface, where it is to be noted that the eastern-western interface, the optical transmission section layer interface and the service interface may all be multiple interfaces, each OXC device includes multiple service disks, and is functionally divided into a tributary disk and a line disk, where the tributary disk and the line disk may also be multiple, the optical transmission section layer interface is an OTS interface (OTS is called Optical Transmission Section Layer, optical transmission section layer) for transmitting OTS, so that connection of long optical fibers is implemented, and the external end of each eastern-western interface is connected with other OXC devices, and each eastern-western interface, optical transmission section layer interface, service interface, tributary disk and line disk is connected with an all-optical cross unit, where the all-optical cross-over unit includes an optical backplane and an optical switch for switching paths between the eastern-western interface, the optical transmission section layer interface, the service interface, the tributary disk and the line disk to enable the OXC device to be capable of performing scheduling on multiple paths between the OXC device and the other devices. When the optical signal of another OXC device is accessed to the OXC device from one eastern-western interface, the eastern-western interface is connected with the all-optical cross unit, and the routing information comprises information such as a source address, a destination address, a transmission path and the like of optical signal transmission, and the all-optical cross unit of the OXC device can transmit the routing information carried by the optical signal of the other OXC device accessed by the eastern-western interface to the target node through the other eastern-western interface or the optical transmission section layer interface or the service interface, so that the target node comprises the OXC device, and flexible cluster networking among multiple OXC devices can be realized.

Step S20, the all-optical cross unit receives an optical transmission section layer optical signal through an optical transmission section layer interface, and performs second path transmission according to routing information carried by the optical transmission section layer optical signal, wherein the performing of the second path transmission comprises transmitting the optical transmission section layer optical signal to a line board, and transmitting the optical transmission section layer optical signal to a target node through an east-west interface or an optical transmission section layer interface or a service interface after the optical transmission section layer optical signal is processed by the line board;

in this embodiment, after an optical signal of an optical transmission segment layer is accessed to an OXC device through an optical transmission segment layer interface, an all-optical cross unit of the OXC device performs matching according to routing information carried by the optical signal of the optical transmission segment layer to determine a target line disk, and transmits the optical signal of the optical transmission segment layer to the matched target line disk, and then the optical signal is transmitted to a target node through an east-west interface or the optical transmission segment layer interface or a service interface, so that automatic connection of the optical transmission segment layer can be realized, the target node includes the OXC device, and the optical transmission segment layer can be selectively switched to other OXC devices, thereby realizing more connection resources of the optical transmission segment layer.

Step S30, the all-optical cross unit receives the service optical signal through the service interface and performs third path transmission according to the routing information carried by the service optical signal, wherein the performing third path transmission comprises transmitting the service optical signal to the branch disk, and transmitting the service optical signal to the target node through the east-west interface or the optical transmission section layer interface or the service interface after the service optical signal is processed by the branch disk or the line disk, wherein the target node comprises an OXC device.

In this embodiment, after a service optical signal is accessed to an OXC device through a service interface, an all-optical cross unit of the OXC device may transmit the service optical signal to a corresponding tributary disk according to routing information carried by the service optical signal, so as to implement the same-frame uplink and downlink of a service, where after the service optical signal is processed by the tributary disk or the line disk, i.e. path analysis of the service optical signal may be performed on the tributary disk or the line disk, and after analysis, a switching command is issued through a management and control system, so that the service optical signal is transmitted to other OXC devices through an east-west interface or an optical transmission section layer interface or a service interface, so as to implement the inter-frame uplink and downlink of the service.

Further, in an embodiment, the transmitting the optical transmission segment layer optical signal to the line disc includes:

Further, in an embodiment, the transmitting the service optical signal to the tributary disk includes:

In a third aspect, an embodiment of the present application provides an optical signal transmission apparatus.

Referring to fig. 6, fig. 6 is a schematic hardware structure of an optical signal transmission device according to an embodiment of the present application. In an embodiment of the present application, the optical signal transmission device may include a processor, a memory, a communication interface, and a communication bus.

The communication bus may be of any type for implementing the processor, memory, and communication interface interconnections.

Communication interfaces include input/output (I/O) interfaces, physical interfaces, logical interfaces, and the like for implementing device interconnections within an optical signal transmission apparatus, as well as interfaces for implementing interconnection of an optical signal transmission apparatus with other apparatuses (e.g., other computing apparatuses or user apparatuses). The physical interface may be an ethernet interface, a fiber optic interface, an ATM interface, etc.; the user device may be a Display, a Keyboard (Keyboard), or the like.

The memory may be various types of storage media such as random access memory (randomaccess memory, RAM), read-only memory (ROM), nonvolatile RAM (non-volatileRAM, NVRAM), flash memory, optical memory, hard disk, programmable ROM (PROM), erasable PROM (erasable PROM, EPROM), electrically erasable PROM (ELECTRICALLY ERASABLE PROM, EEPROM), and the like.

The processor may be a general-purpose processor, and the general-purpose processor may call an optical signal transmission program stored in the memory and execute the optical signal transmission method provided by the embodiment of the present application. For example, the general purpose processor may be a central processing unit (central processing unit, CPU). The method executed when the optical signal transmission procedure is called can refer to various embodiments of the optical signal transmission method of the present application, and will not be described herein.

Those skilled in the art will appreciate that the hardware configuration shown in fig. 6 is not limiting of the application and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.

In a fourth aspect, embodiments of the present application also provide a readable storage medium.

The readable storage medium of the present application stores an optical signal transmission program, wherein the optical signal transmission program, when executed by a processor, implements the steps of the optical signal transmission method as described above.

The method implemented when the optical signal transmission program is executed may refer to various embodiments of the optical signal transmission method of the present application, and will not be described herein.

It should be noted that, the foregoing reference numerals of the embodiments of the present application are merely for describing the embodiments, and do not represent the advantages and disadvantages of the embodiments.

The terms "comprising" and "having" and any variations thereof in the description and claims of the application and in the foregoing drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus. The terms "first," "second," and "third," etc. are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order, and are not limited to the fact that "first," "second," and "third" are not identical.

In describing embodiments of the present application, "exemplary," "such as," or "for example," etc., are used to indicate by way of example, illustration, or description. Any embodiment or design described herein as "exemplary," "such as" or "for example" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary," "such as" or "for example," etc., is intended to present related concepts in a concrete fashion.

In the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and furthermore, in the description of the embodiments of the present application, "plural" means two or more than two.

In some of the processes described in the embodiments of the present application, a plurality of operations or steps occurring in a particular order are included, but it should be understood that the operations or steps may be performed out of the order in which they occur in the embodiments of the present application or in parallel, the sequence numbers of the operations merely serve to distinguish between the various operations, and the sequence numbers themselves do not represent any order of execution. In addition, the processes may include more or fewer operations, and the operations or steps may be performed in sequence or in parallel, and the operations or steps may be combined.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising several instructions for causing a terminal device to perform the method according to the embodiments of the present application.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. The all-optical cross networking system is characterized by comprising a plurality of OXC devices, wherein each OXC device comprises an all-optical cross unit, an east-west interface, an optical transmission section layer interface, a service interface, a branch disk and a circuit disk; the external end of the east-west interface is connected with another OXC device; the east-west interface, the optical transmission section layer interface, the service interface, the branch disc and the line disc are all connected with the all-optical cross unit; the all-optical cross unit is used for carrying out path switching on optical signals transmitted by the east-west interface, the optical transmission section layer interface, the service interface, the branch disk and the line disk, so as to realize all-optical cross connection networking among a plurality of OXC devices.

2. The all-optical cross networking system according to claim 1, wherein the all-optical cross unit comprises an optical backboard and an optical switching device, the optical switching device is an M x N array optical switch or an optical chip, M and N are both positive integers, and when the optical switching device is the optical chip, the all-optical cross unit adopts a landfill type optical backboard and the optical chip to realize integrated design.

3. The all-optical cross networking system of claim 1, wherein the all-optical cross unit is specifically configured to:

4. The all-optical cross networking system of claim 1, wherein the all-optical cross unit is specifically configured to:

5. The all-optical cross networking system of claim 1, wherein the all-optical cross unit is specifically configured to:

6. An optical signal transmission method, applied to an OXC device, the OXC device including an all-optical interleaving unit, the optical signal transmission method comprising:

7. The optical signal transmission method of claim 6, wherein transmitting the optical transmission segment layer optical signal to the line disc comprises:

8. The optical signal transmission method of claim 6, wherein transmitting the traffic optical signal to the tributary disk comprises:

9. An optical signal transmission apparatus comprising a processor, a memory, and an optical signal transmission program stored on the memory and executable by the processor, wherein the optical signal transmission program, when executed by the processor, implements the steps of the optical signal transmission method according to any one of claims 6 to 8.

10. A readable storage medium, wherein an optical signal transmission program is stored on the readable storage medium, wherein the optical signal transmission program, when executed by a processor, implements the steps of the optical signal transmission method according to any one of claims 6 to 8.