A network communication architecture and communication system

Abstract

The application provides a network communication architecture and a communication system, and relates to the technical field of communication.The architecture comprises a first switch system and a second switch system.The first switch system comprises a first switch main body and a first optical module, and the second switch system comprises a second switch main body and a second optical module.An electrical interface of the first optical module is connected with the first switch main body, and a plurality of first-rate electrical signals are transmitted between the two.An electrical interface of the second optical module is connected with the second switch main body, and a plurality of second-rate electrical signals are transmitted between the two.An optical interface of the first optical module is connected with an optical interface of the second optical module;the first optical module is used for converting the plurality of first-rate electrical signals and a plurality of third-rate optical signals;and the second optical module is used for converting the plurality of second-rate electrical signals and the plurality of third-rate optical signals.The application realizes the direct interconnection of two generation-separated switch systems through the first optical module and the second optical module.

Description

Technical Field

[0001] This application relates to the field of communication technology, and more specifically, to a network communication architecture and communication system. Background Technology

[0002] With the rapid development of artificial intelligence and big data technologies, the transmission rate of optical communication is constantly improving. However, this improvement in optical module speed has also brought new problems: data interaction between two generation-separated switch systems (e.g., a 1.6T switch system and a 400G switch system) is hindered. Due to the inconsistency in speed between the two generations of switch systems, the two generations of equipment cannot interconnect, resulting in communication barriers between them.

[0003] To overcome the aforementioned problems, the existing solution is to add a new switch system as a transition node between the two generations of switch systems for indirect communication (for example, adding an 800G switch system between a 1.6T switch system and a 400G switch system). However, adding a new switch system for the transition not only increases transmission latency but also increases the complexity and cost of the entire system.

[0004] Therefore, how to achieve direct interconnection between two generational switch systems in an economical and efficient manner is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this application is to provide a network communication architecture and communication system that enables direct interconnection between two inter-generational switch systems in an economical and efficient manner.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows: On the one hand, this application provides a network communication architecture, including: a first switch system and a second switch system; the first switch system includes a first switch body and a first optical module, and the second switch system includes a second switch body and a second optical module; The electrical interface of the first optical module is connected to the main body of the first switch, and multiple first-rate electrical signals are transmitted between the main body of the first switch and the first optical module. The electrical interface of the second optical module is connected to the main body of the second switch, and multiple second-rate electrical signals are transmitted between the main body of the second switch and the second optical module. The optical interface of the first optical module is connected to the optical interface of the second optical module; The first optical module is used to convert between multiple first-rate electrical signals and multiple third-rate optical signals; wherein the third rate is less than or equal to the first rate. The second optical module is used to convert between multiple second-rate electrical signals and multiple third-rate optical signals; wherein the second rate is less than or equal to the third rate, and the second rate is less than the first rate.

[0007] Furthermore, the first rate is 200G, the second rate is 100G or 50G, and the third rate is 100G or 200G; the first switch body is a 1.6T switch body, the second switch body is a 400G switch body, the first optical module includes a 1.6T optical module, and the second optical module includes a 400G optical module. The electrical interface of the 1.6T optical module is connected to the main body of the 1.6T switch, and the 1.6T switch transmits 8 channels of 200G electrical signals between the main body of the 1.6T optical module and the 1.6T optical module. The electrical interface of the 400G optical module is connected to the main body of the 400G switch, and the main body of the 400G switch and the 400G optical module transmit 4 channels of 100G or 8 channels of 50G electrical signals. The optical interface of the 1.6T optical module is connected to the optical interface of the 400G optical module; The 1.6T optical module is used to convert between 8 channels of 200G electrical signals and 16 channels of 100G optical signals, and the 400G optical module is used to convert between 4 channels of 100G or 8 channels of 50G electrical signals and 4 channels of 100G optical signals. Alternatively, the 1.6T optical module is used to convert between 8 channels of 200G electrical signals and 8 channels of 200G optical signals, and the 400G optical module is used to convert between 4 channels of 100G or 8 channels of 50G electrical signals and 2 channels of 200G optical signals.

[0008] Furthermore, the ratio of the number of the 1.6T optical modules to the number of the 400G optical modules is 1:4; At least one 1.6T optical module has its electrical interface connected to the main body of the 1.6T switch. The optical interface of the 1.6T optical module is connected to the optical interfaces of n 400G optical modules. The electrical interfaces of the n 400G optical modules are all connected to the main body of the 400G switch. Wherein, 1≤n≤4.

[0009] Furthermore, n=4, the 1.6T optical module includes a first digital signal processor and a first optical emission component; The first input terminal of the first digital signal processor is connected to the main body of the 1.6T switch, the first output terminal of the first digital signal processor is connected to the input terminal of the first optical transmitting component, the output terminal of the first optical transmitting component is connected to the optical port receiving terminals of the four 400G optical modules respectively, and the electrical port transmitting terminal of each 400G optical module is connected to the main body of the 400G switch. The first digital signal processor is used to convert 8 channels of 200G electrical signals into 16 channels of 100G electrical signals and send them to the first optical transmitting component; The first optical transmitting component is used to convert 16 channels of 100G electrical signals into 16 channels of 100G optical signals, and send 4 channels of 100G optical signals to the 4 400G optical modules respectively. Each of the 400G optical modules is used to convert four 100G optical signals into four 100G or eight 50G electrical signals and send them to the main body of the 400G switch.

[0010] Furthermore, the 1.6T optical module also includes a first optical receiving component; The electrical port receiving end of each of the 400G optical modules is connected to the main body of the 400G switch, and the optical port transmitting end of each of the 400G optical modules is connected to the input end of the first optical receiving component; the output end of the first optical receiving component is connected to the second input end of the first digital signal processor, and the second output end of the first digital signal processor is connected to the main body of the 1.6T switch. Each of the 400G optical modules is also used to convert 4 channels of 100G or 8 channels of 50G electrical signals into 4 channels of 100G optical signals and send them to the first optical receiving component; The first optical receiving component is used to convert 16 channels of 100G optical signals into 16 channels of 100G electrical signals and send them to the first digital signal processor; The first digital signal processor is also used to convert 16 channels of 100G electrical signals into 8 channels of 200G electrical signals and send them to the main body of the 1.6T switch.

[0011] Furthermore, the first light emitting component is a silicon photonic modulator, and the first light receiving component includes a photodiode and a transimpedance amplifier.

[0012] Furthermore, n=4, and each of the 400G optical modules includes a second digital signal processor and a second optical transmission component; The first input terminal of each of the second digital signal processors is connected to the main body of the 400G switch, the first output terminal of each of the second digital signal processors is connected to the input terminal of the corresponding second optical transmitting component, the output terminal of each of the second optical transmitting components is connected to the optical port receiving terminal of the 1.6T optical module, and the electrical port transmitting terminal of the 1.6T optical module is connected to the main body of the 1.6T switch. Each of the second digital signal processors is used to convert 4 channels of 100G or 8 channels of 50G electrical signals into 2 channels of 200G electrical signals and send them to the corresponding second optical transmitting component; Each of the second optical transmitting components is used to convert two 200G electrical signals into two 200G optical signals and send them to the 1.6T optical module; The 1.6T optical module is used to convert 8 channels of 200G optical signals into 8 channels of 200G electrical signals and send them to the main body of the 1.6T switch.

[0013] Furthermore, each of the 400G optical modules also includes a second optical receiving component; The electrical port receiving end of the 1.6T optical module is connected to the main body of the 1.6T switch. The optical port transmitting end of the 1.6T optical module is connected to the input ends of the four second optical receiving components respectively. The output end of each second optical receiving component is connected to the second input end of the corresponding second digital signal processor. The second output end of each second digital signal processor is connected to the main body of the 400G switch. The 1.6T optical module is also used to convert 8 channels of 200G electrical signals into 8 channels of 200G optical signals, and send 2 channels of 200G optical signals to each of the 4 second optical receiving components; Each of the second optical receiving components is used to convert two 200G optical signals into two 200G electrical signals and send them to the corresponding second digital signal processor; Each of the second digital signal processors is also used to convert two 200G electrical signals into four 100G or eight 50G electrical signals and send them to the main body of the 400G switch.

[0014] Furthermore, the second optical emitting component is a silicon optical modulator or an electro-absorption modulated laser, and the second optical receiving component includes a photodiode and a transimpedance amplifier.

[0015] On the other hand, this application also provides a communication system, which includes a network communication architecture as described in any of the foregoing embodiments.

[0016] Compared with the prior art, this application has the following advantages: This application provides a network communication architecture and system. The network communication architecture includes a first switch system and a second switch system. The first switch system includes a first switch body and a first optical module, and the second switch system includes a second switch body and a second optical module. The electrical interface of the first optical module is connected to the first switch body, and multiple first-rate electrical signals are transmitted between the first switch body and the first optical module. The electrical interface of the second optical module is connected to the second switch body, and multiple second-rate electrical signals are transmitted between the second switch body and the second optical module. The optical interfaces of the first and second optical modules are connected. The first optical module is used to convert between multiple first-rate electrical signals and multiple third-rate optical signals, where the third rate is less than or equal to the first rate. The second optical module is used to convert between multiple second-rate electrical signals and multiple third-rate optical signals, where the second rate is less than or equal to the third rate and the second rate is less than the first rate. This application achieves mutual conversion between multiple first-rate electrical signals and multiple third-rate optical signals through a first optical module, and mutual conversion between multiple third-rate optical signals and multiple second-rate electrical signals through a second optical module, thereby realizing direct interconnection between two generation-separated switch systems: a first switch system and a second switch system. Compared with existing technologies, this application eliminates the need for additional switch relay equipment, significantly reducing the complexity and cost of the entire system, while also reducing signal transmission delay, ultimately achieving direct interconnection and data exchange between the two generation-separated switch systems in an economical and efficient manner. Attached Figure Description

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0018] Figure 1 A structural block diagram of a network communication architecture provided in an embodiment of this application; Figure 2 A structural block diagram illustrating communication between a 1.6T switch system and a 400G switch system, provided for embodiments of this application; Figure 3 A structural block diagram of a 1.6T optical module that supports direct connection to a 400G switch system, provided for an embodiment of this application; Figure 4 This application provides a structural block diagram of a 400G optical module that supports direct connection to a 1.6T switch system.

[0019] Reference numerals: 10-Network communication architecture; 100-First switch system; 110-First switch body; 111-1.6T switch body; 120-First optical module; 121-1.6T optical module; 1211-First digital signal processor; 1212-First optical transmitting component; 1213-First optical receiving component; 200-Second switch system; 210-Second switch body; 211-400G switch body; 220-Second optical module; 221-400G optical module; 2211-Second digital signal processor; 2212-Second optical transmitting component; 2213-Second optical receiving component. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0021] In the description of this application, it should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The term "connection" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0022] As described in the background section, the existing approach to achieve communication between two generation-separated switch systems involves adding a new switch system as a transition between the two systems. However, adding a new switch system increases the complexity and cost of the entire system, and also increases transmission latency.

[0023] In view of this, please refer to Figure 1This application provides a network communication architecture 10, including a first switch system 100 and a second switch system 200. The first switch system 100 includes a first switch body 110 and a first optical module 120, and the second switch system 200 includes a second switch body 210 and a second optical module 220.

[0024] The electrical interface of the first optical module 120 is connected to the main body of the first switch 110, and multiple first-rate electrical signals are transmitted between the main body of the first switch 110 and the first optical module 120.

[0025] The electrical interface of the second optical module 220 is connected to the main body of the second switch 210, and multiple second-rate electrical signals are transmitted between the main body of the second switch 210 and the second optical module 220.

[0026] The optical interface of the first optical module 120 is connected to the optical interface of the second optical module 220.

[0027] The first optical module 120 is used to convert between multiple first-rate electrical signals and multiple third-rate optical signals. Where the third rate is less than or equal to the first rate.

[0028] The second optical module 220 is used to convert between multiple second-rate electrical signals and multiple third-rate optical signals. Wherein, the second rate is less than or equal to the third rate, and the second rate is less than the first rate.

[0029] Optionally, the first switch body 110 and the first optical module 120, as well as the second switch body 210 and the second optical module 220, are connected and transmit data via multi-channel high-speed cables. Data transmission between the first optical module 120 and the second optical module 220 is achieved via multiple optical fibers.

[0030] Based on the above design, both the first optical module 120 in the first switch system 100 and the second optical module 220 in the second switch system 200 have rate conversion and photoelectric signal conversion capabilities. The first optical module 120 enables the mutual conversion between multiple first-rate electrical signals and multiple third-rate optical signals, while the second optical module 220 enables the mutual conversion between multiple third-rate optical signals and multiple second-rate electrical signals, thereby achieving direct interconnection between the two generation-separated switch systems, the first switch system 100 and the second switch system 200. Compared with existing technologies, this application eliminates the need for additional switch relay equipment, significantly reducing the complexity and cost of the entire system, while also reducing signal transmission delay. In other words, this application economically and efficiently achieves direct interconnection and data exchange between two generation-separated switch systems without adding any intermediate layers.

[0031] To better understand the technical solution of this application, the following explanation uses a 1.6T switch system and a 400G switch system as examples. Since the Ethernet port speed of a 400G switch is 100G or 50G per channel, while the Ethernet port speed of a 1.6T switch is increased to 200G per channel, the speeds of the two are mismatched and they cannot be directly interconnected.

[0032] In view of this, please refer to Figure 2 In one optional implementation, the first rate is 200G, the second rate is 100G or 50G, and the third rate is 100G or 200G. The first switch system is a 1.6T switch system, the first switch body is a 1.6T switch body 111, and the first optical module 120 includes a 1.6T optical module 121. The second switch system is a 400G switch system, the second switch body is a 400G switch body 211, and the second optical module 220 includes a 400G optical module 221.

[0033] The electrical interface of the 1.6T optical module 121 is connected to the main body of the 1.6T switch 111, and the 1.6T switch main body 111 and the 1.6T optical module 121 transmit 8 channels of 200G electrical signals (i.e. multiple channels of first-rate electrical signals).

[0034] The electrical interface of the 400G optical module 221 is connected to the main body of the 400G switch 211, and the 400G switch main body 211 and the 400G optical module 221 transmit 4 channels of 100G or 8 channels of 50G electrical signals (i.e., multiple channels of second-rate electrical signals).

[0035] The optical interface of the 1.6T optical module 121 is connected to the optical interface of the 400G optical module 221.

[0036] The 1.6T optical module 121 is used to convert between 8 channels of 200G electrical signals (i.e., multiple channels of first-rate electrical signals) and 16 channels of 100G optical signals (i.e., multiple channels of third-rate optical signals). The 400G optical module 221 is used to convert between 4 channels of 100G or 8 channels of 50G electrical signals (i.e., multiple channels of second-rate electrical signals) and 4 channels of 100G optical signals (i.e., multiple channels of third-rate optical signals).

[0037] Alternatively, the 1.6T optical module 121 is used to convert between 8 channels of 200G electrical signals (i.e., multiple channels of first-rate electrical signals) and 8 channels of 200G optical signals (i.e., multiple channels of third-rate optical signals), and the 400G optical module 221 is used to convert between 4 channels of 100G or 8 channels of 50G electrical signals (i.e., multiple channels of second-rate electrical signals) and 2 channels of 200G optical signals (i.e., multiple channels of third-rate optical signals).

[0038] In addition, to ensure compatibility with existing equipment and enhance interconnect flexibility, the 1.6T optical module 121 can be packaged in QSFP-DD, OSFP, or other packaging forms, while the 400G optical module 221 can be packaged in QSFP-DD, OSFP, or QSFP-112 or other packaging forms.

[0039] Furthermore, the ratio of the number of 1.6T optical modules 121 to 400G optical modules 221 is 1:4.

[0040] At least one 1.6T optical module 121 has its electrical interface connected to the main body 111 of a 1.6T switch. The optical interface of the 1.6T optical module 121 is connected to the optical interfaces of n 400G optical modules 221. The electrical interfaces of the n 400G optical modules 221 are all connected to the main body 211 of a 400G switch. Wherein, 1≤n≤4.

[0041] That is, the number of 1.6T optical modules 121 can be one or more, while the number of 400G optical modules 221 is four times the number of 1.6T optical modules 121. In addition, the optical interface of one 1.6T optical module 121 can be connected to the optical interfaces of one to four 400G optical modules 221. Each optical interface is independent of the others, and the unconnected optical interface does not affect the normal communication of the connected optical interface.

[0042] To better understand the technical solution of this application, the following example illustrates the connection of one 1.6T optical module 121 to the optical interfaces of four 400G optical modules 221 (i.e., n=4). This example demonstrates a typical application scenario for maximum connectivity. In actual deployment, one 1.6T optical module 121 can be flexibly connected to one, two, three, or four 400G optical modules 221 according to specific needs; this application does not limit the specific number of connections.

[0043] As an optional implementation, please refer to Figure 3 , Figure 3 A structural block diagram of a 1.6T optical module 121 supporting direct connection to a 400G switch system is shown. Specifically, the 1.6T optical module 121 includes a first digital signal processor 1211 and a first optical transmitter 1212. The first digital signal processor 1211 is used to perform rate conversion on electrical signals, and the first optical transmitter 1212 is used to convert electrical signals into optical signals.

[0044] The first input terminal of the first digital signal processor 1211 (i.e., the electrical port receiving terminal of the 1.6T optical module 121) is connected to the main body 111 of the 1.6T switch. The first output terminal of the first digital signal processor 1211 is connected to the input terminal of the first optical transmitting component 1212. The output terminal of the first optical transmitting component 1212 (i.e., the optical port transmitting terminal of the 1.6T optical module 121) is connected to the optical port receiving terminals of four 400G optical modules 221 respectively. The electrical port transmitting terminal of each 400G optical module 221 is connected to the main body 211 of the 400G switch.

[0045] Based on the first digital signal processor 1211, the first optical transmitting component 1212, and four 400G optical modules 221, the overall process for transmitting signals from the 1.6T switch body 111 to the 400G switch body 211 is as follows: The first digital signal processor 1211 converts the eight 200G electrical signals sent by the 1.6T switch body 111 into sixteen 100G electrical signals and sends them to the first optical transmitting component 1212.

[0046] The first optical transmitting component 1212 converts 16 channels of 100G electrical signals into 16 channels of 100G optical signals and sends them to four 400G optical modules 221. For ease of signal distribution and management, these 16 optical signals can be evenly divided into four groups, each containing four 100G optical signals. That is, the first optical transmitting component 1212 sends four 100G optical signals to each of the four 400G optical modules 221.

[0047] Each 400G optical module 221 converts four 100G optical signals into four 100G or eight 50G electrical signals and sends them to the 400G switch body 211, thereby realizing data transmission from the 1.6T switch body 111 to the 400G switch body 211.

[0048] Furthermore, the 1.6T optical module 121 also includes a first optical receiving component 1213. The first optical receiving component 1213 is used to convert optical signals into electrical signals.

[0049] Each 400G optical module 221 has its electrical receiving port connected to the 400G switch body 211, and each 400G optical module 221 has its optical transmitting port connected to the input port of the first optical receiving component 1213 (i.e., the optical receiving port of the 1.6T optical module 121). The output port of the first optical receiving component 1213 is connected to the second input port of the first digital signal processor 1211, and the second output port of the first digital signal processor 1211 (i.e., the electrical transmitting port of the 1.6T optical module 121) is connected to the 1.6T switch body 111.

[0050] Based on four 400G optical modules 221, a first optical receiving component 1213, and a first digital signal processor 1211, the overall process for transmitting signals from the 400G switch body 211 to the 1.6T switch body 111 is as follows: Each 400G optical module 221 converts the four 100G or eight 50G electrical signals sent by the 400G switch body 211 into four 100G optical signals and sends them to the first optical receiving component 1213.

[0051] The first optical receiving component 1213 receives a total of 16 100G optical signals emitted by four 400G optical modules 221, converts them into 16 100G electrical signals, and then sends them to the first digital signal processor 1211.

[0052] The first digital signal processor 1211 converts 16 channels of 100G electrical signals into 8 channels of 200G electrical signals and sends them to the 1.6T switch body 111, thereby realizing data transmission from the 400G switch body 211 to the 1.6T switch body 111.

[0053] Therefore, the 1.6T optical module 121 provided in this embodiment can convert 8 channels of 200G electrical signals from the 1.6T port into 16 channels of 100G optical signals through the first digital signal processor 1211 and the first optical transmitting component 1212. Simultaneously, it can also convert the 16 channels of 100G optical signals into 8 channels of 200G electrical signals through the first optical receiving component 1213 and the first digital signal processor 1211. Its optical interface can be selected according to actual application. The 16 optical channels of the optical port can be divided into 4 groups, each group consisting of 4 channels of 100G 400G signals, enabling direct communication with the 400G optical module 221, thereby achieving interconnection between the 1.6T switch system and the 400G switch system.

[0054] Furthermore, the 1.6T optical module 121 also includes a first controller. The first controller is connected to a first digital signal processor 1211, a first optical emitting component 1212, and a first optical receiving component 1213. Optionally, the first optical receiving component 1213 includes a photodiode and a transimpedance amplifier, and the first optical emitting component 1212 can be a silicon photonic modulator.

[0055] The first controller can reasonably control the connection of the first digital signal processor 1211, the first optical transmitting component 1212, the first optical receiving component 1213, and the power management chip of the 1.6T optical module 121 to meet the normal operation requirements of the 1.6T optical module 121 within the full temperature range. For the silicon photonic modulator, the first controller can control its operating bias point to always be within a reasonable range, and perform real-time monitoring and alarm on parameters such as the light output of the module; at the same time, the first controller can also monitor the intensity of the light received by the photodiode, report the intensity of the received power in real time, and alarm on the received power status exceeding the threshold. In addition, the first controller is also responsible for protocol layer content processing, realizing the mutual mapping between the internal functions of the module and external monitoring and control, so that the 1.6T optical module 121 complies with the CMIS (Common Management Interface Specification) protocol requirements.

[0056] As another alternative implementation, please refer to Figure 4 , Figure 4 A structural block diagram of a 400G optical module 221 supporting direct connection to a 1.6T switch system is shown. Specifically, each 400G optical module 221 includes a second digital signal processor 2211 and a second optical transmitter component 2212. The second digital signal processor 2211 is used to perform rate conversion on electrical signals, and the second optical transmitter component 2212 is used to convert electrical signals into optical signals.

[0057] The first input terminal of each second digital signal processor 2211 (i.e., the electrical port receiving terminal of the 400G optical module 221) is connected to the main body 211 of the 400G switch. The first output terminal of each second digital signal processor 2211 is connected to the input terminal of the corresponding second optical transmitting component 2212. The output terminal of each second optical transmitting component 2212 (i.e., the optical port transmitting terminal of the 400G optical module 221) is connected to the optical port receiving terminal of the 1.6T optical module 121. The electrical port transmitting terminal of the 1.6T optical module 121 is connected to the main body 111 of the 1.6T switch.

[0058] Based on four second digital signal processors 2211, four second optical transmission components 2212, and one 1.6T optical module 121, the overall process for transmitting signals from the 400G switch body 211 to the 1.6T switch body 111 is as follows: Each second digital signal processor 2211 converts the four 100G or eight 50G electrical signals sent by the 400G switch body 211 into two 200G electrical signals and sends them to the corresponding second optical transmission component 2212.

[0059] Each second optical transmitting component 2212 converts two 200G electrical signals into two 200G optical signals and sends them to the 1.6T optical module 121.

[0060] The 1.6T optical module 121 receives a total of 8 200G optical signals sent by 4 second optical transmitting components 2212, converts them into 8 200G electrical signals, and sends them to the 1.6T switch body 111, thereby realizing data transmission from the 400G switch body 211 to the 1.6T switch body 111.

[0061] Furthermore, each 400G optical module 221 also includes a second optical receiving component 2213. The second optical receiving component 2213 is used to convert optical signals into electrical signals.

[0062] The electrical port receiving end of the 1.6T optical module 121 is connected to the main body 111 of the 1.6T switch. The optical port transmitting end of the 1.6T optical module 121 is connected to the input ends of the four second optical receiving components 2213 (i.e., the optical port receiving ends of the 400G optical module 221). The output end of each second optical receiving component 2213 is connected to the second input end of the corresponding second digital signal processor 2211. The second output end of each second digital signal processor 2211 (i.e., the electrical port transmitting end of the 400G optical module 221) is connected to the main body 211 of the 400G switch.

[0063] Based on a 1.6T optical module 121, four second optical receiving components 2213, and four second digital signal processors 2211, the overall process for transmitting signals from the 1.6T switch body 111 to the 400G switch body 211 is as follows: The 1.6T optical module 121 converts the eight 200G electrical signals sent by the 1.6T switch body 111 into eight 200G optical signals, and sends two 200G optical signals to each of the four second optical receiving components 2213.

[0064] Each second optical receiving component 2213 converts two 200G optical signals into two 200G electrical signals and sends them to the corresponding second digital signal processor 2211.

[0065] Each second digital signal processor 2211 converts two 200G electrical signals into four 100G electrical signals or eight 50G electrical signals and sends them to the 400G switch body 211, thereby realizing data transmission from the 1.6T switch body 111 to the 400G switch body 211.

[0066] Therefore, the 400G optical module 221 provided in this application embodiment can convert 400G signals from four 100G or eight 50G electrical signals via the second digital signal processor 2211 and the second optical transmitting component 2212 into two 200G optical signals. Simultaneously, it can also convert the two 200G optical signals into four 100G or eight 50G electrical signals via the second optical receiving component 2213 and the second digital signal processor 2211. Its optical interface can be selected according to the actual application. By generating 200G optical signals, communication with a single-wavelength 200G 1.6T optical module 121 can be achieved, thereby realizing the interconnection between the 400G switch system and the 1.6T switch system.

[0067] Furthermore, each 400G optical module 221 also includes a second controller. The second controller is connected to the second digital signal processor 2211, the second optical emitting component 2212, and the second optical receiving component 2213, respectively. Optionally, the second optical receiving component 2213 includes a photodiode and a transimpedance amplifier, and the second optical emitting component 2212 can be a silicon photonic modulator or an electro-absorption modulated laser (EML).

[0068] The second controller can rationally control the connection of the second digital signal processor 2211, the second optical transmitter 2212, the second optical receiver 2213, and the power management chip of the 400G optical module 221 to meet the normal operation requirements of the 400G optical module 221 across the entire temperature range. For silicon photonic modulators or electro-absorption modulated lasers, the second controller can control their operating bias point to always be within a reasonable range, and perform real-time monitoring and alarms on parameters such as the module's output light. Simultaneously, the second controller can also monitor the intensity of the light power received by the photodiode, report the received power intensity in real time, and alarm for received power exceeding a threshold. Furthermore, the second controller is also responsible for protocol layer content processing, realizing the mutual mapping between the module's internal functions and external monitoring and control, thereby ensuring that the 400G optical module 221 complies with CMIS protocol requirements.

[0069] In summary, to achieve direct communication between a 400G switch system and a 1.6T switch system, this application provides two solutions: one is a 1.6T optical module 121 (e.g., [missing information]) that supports direct connection to the 400G switch system. Figure 3 As shown), another type is the 400G optical module 221 (as shown) that supports direct connection to a 1.6T switch system. Figure 4(As shown). Both types of optical modules are based on a DSP (Digital Signal Processor) to convert different electrical port rates up or down to a uniform rate, and achieve mutual conversion of photoelectric signals through optical transmitting and receiving components. Figure 3 The 1.6T optical module 121 in the middle realizes the mutual conversion between single-channel 200G electrical signals and single-wavelength 100G optical signals. Figure 4 The 400G optical module 221 in the middle realizes the mutual conversion between single-channel 100G or 50G electrical signals and single-wavelength 200G optical signals, thereby realizing the direct interconnection between the 1.6T optical module 121 and the 400G optical module 221, opening up the data interaction between the two generational switch systems of 1.6T and 400G, and greatly simplifying the system design.

[0070] Furthermore, embodiments of this application also provide a communication system, which includes a network communication architecture 10 as described in any of the foregoing embodiments.

[0071] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

[0072] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this application. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A network communication architecture, characterized in that, include: A first switching system and a second switching system; the first switching system includes a first switch body and a first optical module, and the second switching system includes a second switch body and a second optical module; The electrical interface of the first optical module is connected to the main body of the first switch, and multiple first-rate electrical signals are transmitted between the main body of the first switch and the first optical module. The electrical interface of the second optical module is connected to the main body of the second switch, and multiple second-rate electrical signals are transmitted between the main body of the second switch and the second optical module. The optical interface of the first optical module is connected to the optical interface of the second optical module; The first optical module is used to convert between multiple first-rate electrical signals and multiple third-rate optical signals; wherein the third rate is less than or equal to the first rate. The second optical module is used to convert between multiple second-rate electrical signals and multiple third-rate optical signals; wherein the second rate is less than or equal to the third rate, and the second rate is less than the first rate.

2. The network communication architecture according to claim 1, characterized in that, The first rate is 200G, the second rate is 100G or 50G, and the third rate is 100G or 200G; the first switch body is a 1.6T switch body, the second switch body is a 400G switch body, the first optical module includes a 1.6T optical module, and the second optical module includes a 400G optical module. The electrical interface of the 1.6T optical module is connected to the main body of the 1.6T switch, and the 1.6T switch transmits 8 channels of 200G electrical signals between the main body of the 1.6T optical module and the 1.6T optical module. The electrical interface of the 400G optical module is connected to the main body of the 400G switch, and the main body of the 400G switch and the 400G optical module transmit 4 channels of 100G or 8 channels of 50G electrical signals. The optical interface of the 1.6T optical module is connected to the optical interface of the 400G optical module; The 1.6T optical module is used to convert between 8 channels of 200G electrical signals and 16 channels of 100G optical signals, and the 400G optical module is used to convert between 4 channels of 100G or 8 channels of 50G electrical signals and 4 channels of 100G optical signals. Alternatively, the 1.6T optical module is used to convert between 8 channels of 200G electrical signals and 8 channels of 200G optical signals, and the 400G optical module is used to convert between 4 channels of 100G or 8 channels of 50G electrical signals and 2 channels of 200G optical signals.

3. The network communication architecture according to claim 2, characterized in that, The ratio of the number of the 1.6T optical modules to the number of the 400G optical modules is 1:4; At least one 1.6T optical module has its electrical interface connected to the main body of the 1.6T switch. The optical interface of the 1.6T optical module is connected to the optical interfaces of n 400G optical modules. The electrical interfaces of the n 400G optical modules are all connected to the main body of the 400G switch. Wherein, 1≤n≤4.

4. The network communication architecture according to claim 3, characterized in that, n=4, the 1.6T optical module includes a first digital signal processor and a first optical emission component; The first input terminal of the first digital signal processor is connected to the main body of the 1.6T switch, the first output terminal of the first digital signal processor is connected to the input terminal of the first optical transmitting component, the output terminal of the first optical transmitting component is connected to the optical port receiving terminals of the four 400G optical modules respectively, and the electrical port transmitting terminal of each 400G optical module is connected to the main body of the 400G switch. The first digital signal processor is used to convert 8 channels of 200G electrical signals into 16 channels of 100G electrical signals and send them to the first optical transmitting component; The first optical transmitting component is used to convert 16 channels of 100G electrical signals into 16 channels of 100G optical signals, and send 4 channels of 100G optical signals to the 4 400G optical modules respectively. Each of the 400G optical modules is used to convert four 100G optical signals into four 100G or eight 50G electrical signals and send them to the main body of the 400G switch.

5. The network communication architecture according to claim 4, characterized in that, The 1.6T optical module also includes a first optical receiving component; The electrical port receiving end of each of the 400G optical modules is connected to the main body of the 400G switch, and the optical port transmitting end of each of the 400G optical modules is connected to the input end of the first optical receiving component; the output end of the first optical receiving component is connected to the second input end of the first digital signal processor, and the second output end of the first digital signal processor is connected to the main body of the 1.6T switch. Each of the 400G optical modules is also used to convert 4 channels of 100G or 8 channels of 50G electrical signals into 4 channels of 100G optical signals and send them to the first optical receiving component; The first optical receiving component is used to convert 16 channels of 100G optical signals into 16 channels of 100G electrical signals and send them to the first digital signal processor; The first digital signal processor is also used to convert 16 channels of 100G electrical signals into 8 channels of 200G electrical signals and send them to the main body of the 1.6T switch.

6. The network communication architecture according to claim 5, characterized in that, The first light emitting component is a silicon photonic modulator, and the first light receiving component includes a photodiode and a transimpedance amplifier.

7. The network communication architecture according to claim 3, characterized in that, n=4, and each of the 400G optical modules includes a second digital signal processor and a second optical transmission component; The first input terminal of each of the second digital signal processors is connected to the main body of the 400G switch, the first output terminal of each of the second digital signal processors is connected to the input terminal of the corresponding second optical transmitting component, the output terminal of each of the second optical transmitting components is connected to the optical port receiving terminal of the 1.6T optical module, and the electrical port transmitting terminal of the 1.6T optical module is connected to the main body of the 1.6T switch. Each of the second digital signal processors is used to convert 4 channels of 100G or 8 channels of 50G electrical signals into 2 channels of 200G electrical signals and send them to the corresponding second optical transmitting component; Each of the second optical transmitting components is used to convert two 200G electrical signals into two 200G optical signals and send them to the 1.6T optical module; The 1.6T optical module is used to convert 8 channels of 200G optical signals into 8 channels of 200G electrical signals and send them to the main body of the 1.6T switch.

8. The network communication architecture according to claim 7, characterized in that, Each of the 400G optical modules also includes a second optical receiving component; The electrical port receiving end of the 1.6T optical module is connected to the main body of the 1.6T switch. The optical port transmitting end of the 1.6T optical module is connected to the input ends of the four second optical receiving components respectively. The output end of each second optical receiving component is connected to the second input end of the corresponding second digital signal processor. The second output end of each second digital signal processor is connected to the main body of the 400G switch. The 1.6T optical module is also used to convert 8 channels of 200G electrical signals into 8 channels of 200G optical signals, and send 2 channels of 200G optical signals to each of the 4 second optical receiving components; Each of the second optical receiving components is used to convert two 200G optical signals into two 200G electrical signals and send them to the corresponding second digital signal processor; Each of the second digital signal processors is also used to convert two 200G electrical signals into four 100G or eight 50G electrical signals and send them to the main body of the 400G switch.

9. The network communication architecture according to claim 8, characterized in that, The second optical emitting component is a silicon optical modulator or an electro-absorption modulated laser, and the second optical receiving component includes a photodiode and a transimpedance amplifier.

10. A communication system, characterized in that, The communication system includes the network communication architecture as described in any one of claims 1-9.

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