WO2021218721A1 - 业务处理的方法和装置 - Google Patents
业务处理的方法和装置 Download PDFInfo
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- WO2021218721A1 WO2021218721A1 PCT/CN2021/088553 CN2021088553W WO2021218721A1 WO 2021218721 A1 WO2021218721 A1 WO 2021218721A1 CN 2021088553 W CN2021088553 W CN 2021088553W WO 2021218721 A1 WO2021218721 A1 WO 2021218721A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
Definitions
- This application relates to the field of optical communications, and more specifically, to methods and devices for service processing.
- the sender device maps the service (or the data stream of the service) to multiple transmission frames, and the receiver device determines the service transmission according to the data volume of the service carried in the transmission frame received within a unit time. Rate, and then determine the clock information of the service according to the transmission rate, so that the service can be recovered from the received transmission frame.
- the receiving end device accurately determines the clock information, and thus cannot recover the service from the received transmission frame, which reduces the communication performance.
- the present application provides a method and device for service processing.
- the receiving end can still reliably recover the service from the received transmission frame, thereby improving communication performance.
- a service processing method including: a sending end device generates multiple transmission frames, and an i-th frame of the multiple transmission frames carries first information, and the first information is used to indicate t
- the data volume of the service carried by each transmission frame in the transmission frame, the t transmission frames include the itth frame to the i-1th frame in the multiple transmission frames, it>0, t ⁇ 1;
- the end device sends the multiple transmission frames.
- t is a positive integer
- i is a positive integer
- i-t>0 is a positive integer
- the receiving end device by carrying the first information in the transmission frame, when a transmission frame is lost, the receiving end device can determine the amount of service data carried by the lost transmission frame according to the first information, and then can determine The number of service transmissions can determine the clock information of the service. Therefore, even if the transmission frame is lost, the receiving end device can still recover the service from the received transmission frame, so there is no need to retransmit this part of the service, which can reduce the communication time. Delay and improve communication performance.
- the service includes a constant bit rate (Constants Bit Rate, CBR) service. That is, since the clock information of the CBR service can be determined according to the transmission rate of the CBR service, the service processing method provided in this application can be effectively applied to the transmission of the CBR service.
- CBR Constant Bit Rate
- the transmission frame includes a flexible optical subscriber unit (Optical Subscriber Unit flex, OSU flex) frame. That is, because the size of the payload part of the OSU flex frame (or the data volume of the service carried by the OSU flex frame) is not fixed, the receiving end device cannot estimate the data volume of the service carried by the lost OSU flex frame. Therefore, this application The provided service processing method can be effectively applied to the case of using OSU flex frames to carry services.
- OSU flex optical subscriber Unit flex
- the first information includes t pieces of sub-information, and the t pieces of sub-information have a one-to-one correspondence with the t transmission frames, and each sub-information of the t pieces of sub-information is used to indicate the service carried by the corresponding transmission frame The amount of data.
- each frame from the itth frame to the i-1th frame can correspond to independent sub-information, that is, each frame from the itth frame to the i-1th frame
- the data volume of the service carried in the ith frame can be independently indicated, so that the receiving end device can determine the data volume of the service carried in each frame from the itth frame to the i-1th frame according to the first information carried in the i-th frame .
- the first information may also indicate the data of the service carried in the itth frame to the i-1th frame The sum of the amount.
- the first information may also indicate the amount of service data carried in a frame from the itth frame to the i-1th frame (denoted as the first data amount), and other data from the itth frame to the i-1th frame The deviation value between the data amount of the service carried in the frame and the first data amount.
- the first information may also indicate the deviation value of the data amount of the service carried in each of the i-tth frame to the i-1th frame and the predefined reference data amount.
- the reference data amount may be specified by the communication system or communication protocol.
- the reference data amount can also be determined through negotiation between the sending end device and the receiving end device.
- the amount of service data carried by the transmission frame is a first value or a second value
- the first information includes t bits
- the t bits have a one-to-one correspondence with the t transmission frames, so The value of each bit of the t bits corresponds to the data volume of the service carried by the corresponding transmission frame.
- the method further includes: the sending end device determines, according to the first mapping relationship, each transmission frame of the t transmission frames (specifically, the data volume of the service carried by each transmission frame) The value of) corresponding to the identifier, the first mapping relationship is used to indicate the one-to-one correspondence relationship between k values and k identifiers (for example, bit sequence, bit set, bit group, or bit string, etc.), and the k values Including the value of the data amount of the service carried by each transmission frame in the plurality of transmission frames; the sending device determines the first information according to the identifier corresponding to each transmission frame in the t transmission frames.
- the first mapping relationship may be specified by a communication system or a communication protocol.
- the first mapping relationship may be negotiated and determined by the sending end device and the receiving end device.
- the k values correspond to the service. That is, for different services, the possible values of the data volume of the service carried in the transmission frame may be different.
- the data amount of the service carried in the transmission frame may include two possible values, namely, a preset maximum value or a minimum value.
- the above-mentioned maximum values corresponding to different services may be different.
- the above minimum values corresponding to different services may be different.
- the first information is carried in the overhead part (or, the overhead area) of the transmission frame.
- the position of the first information in the transmission frame listed above is only an exemplary description, and the present application is not limited thereto.
- the first information may also be located in the payload part (or payload area) of the transmission frame. ).
- the value of t is determined according to the bit error rate of the transmission channel between the sending end device and the receiving end device.
- the method further includes that the sending end device receives feedback information from the receiving end device, where the feedback information is used to determine the error of the transmission channel between the sending end device and the receiving end device. Bit rate.
- the t is equal to 1, 2 or 3.
- the i-th frame carries second information
- the second information is used to indicate the sequence number of the i-th frame in the multiple transmission frames. Therefore, the receiving end device can determine whether a transmission frame loss phenomenon occurs according to the second information carried in the received transmission frame.
- the second information is carried in the overhead part (or overhead area) of the transmission frame.
- the position of the second information listed above in the transmission frame is only exemplary, and the application is not limited thereto.
- the second information may also be located in the payload part (or payload area) of the transmission frame. ).
- the first information is also used to indicate the data volume of the service carried by the i-th frame.
- the i-th frame carries third information, and the third information is used to indicate the data volume of the service carried by the i-th frame.
- the third information and the first information may be the same information or different information, and this application is not particularly limited.
- the receiving end device can quickly determine the data volume of the service carried by the i-th frame according to the third information, thereby helping to speed up the process of determining the clock information of the service.
- the third information is carried in the overhead part (or overhead area) of the transmission frame.
- the position of the third information in the transmission frame listed above is only an exemplary description, and this application is not limited thereto.
- the third information may also be located in the payload part (or payload area) of the transmission frame. ).
- a service processing method including: a receiving end device receives at least one transmission frame, where the at least one transmission frame belongs to multiple transmission frames carrying a service sent by the transmitting end device, and the multiple The i-th frame in the transmission frame carries first information, and the first information is used to indicate the data volume of the service carried by each transmission frame in t transmission frames, and the t transmission frames include the multiple transmission frames From the itth frame to the i-1th frame in, it>0, t ⁇ 1; the receiving end device determines the clock information of the service carried by the at least one transmission frame according to the first information.
- the receiving end device determines the clock information of the service carried by the at least one transmission frame according to the first information
- the method includes: when a transmission frame loss occurs in the first time period, the receiving end device determines the transmission rate of the service sent by the sending end device in the first time period according to the first information carried in the first transmission frame The receiving end device determines the clock information of the service carried by the transmission frame received in the first time period according to the transmission rate.
- the receiving end device may determine the amount of data ( The total amount of data sent by the sending end device in the first time period can be determined based on the data volume of the service carried in the transmission frame received in the first time period and the above-mentioned lost data volume, and then the total data volume sent by the sending end device in the first time period can be determined. According to the total data volume and the duration of the first period, the transmission rate of the service transmitted in the first period is determined.
- the receiving end device can determine the clock information of the service transmitted in the first time period according to the transmission rate.
- the receiving end device can determine the clock information (or clock frequency) according to the bit width and the transmission rate.
- the bit width can be understood as the amount of data processed at one time when the receiving device obtains service data from the transmission frame.
- the service includes a constant bit rate service.
- the transmission frame includes a flexible optical subscriber unit frame.
- the first information includes t pieces of sub-information, and the t pieces of sub-information have a one-to-one correspondence with the t transmission frames, and each sub-information in the t pieces of sub-information is used to indicate the information carried by the corresponding transmission frame The amount of data for the business.
- the first information may also indicate the amount of service data carried in a frame from the itth frame to the i-1th frame (denoted as the first data amount), and other data from the itth frame to the i-1th frame The deviation value between the data amount of the service carried in the frame and the first data amount.
- the first information may also indicate the deviation value of the data amount of the service carried in each of the i-tth frame to the i-1th frame and the predefined reference data amount.
- the amount of service data carried by the transmission frame is a first value or a second value
- the first information includes t bits
- the t bits have a one-to-one correspondence with the t transmission frames, so The value of each bit of the t bits corresponds to the data volume of the service carried by the corresponding transmission frame.
- the method further includes: the receiving end device determines the identifier corresponding to each of the t transmission frames according to the first mapping relationship, and determines the value of the data volume of the service carried by the transmission frame ,
- the first mapping relationship is used to indicate a one-to-one correspondence between k values and k identifiers (for example, a bit sequence, a bit set, a bit group, or a bit string, etc.), and the k values include the multiple transmissions The value of the data volume of the service carried by each transmission frame in the frame.
- the k values correspond to the service.
- the first information is carried in the overhead part (or, the overhead area) of the transmission frame.
- the value of t is determined according to the bit error rate of the transmission channel between the sending end device and the receiving end device.
- the method further includes that the sending end device receives feedback information from the receiving end device, where the feedback information is used to determine the error of the transmission channel between the sending end device and the receiving end device. Bit rate.
- the t is equal to 1, 2 or 3.
- the i-th frame carries second information, and the second information is used to indicate the sequence number of the i-th frame in the multiple transmission frames.
- the second information is carried in the overhead part (or overhead area) of the transmission frame.
- the first information is also used to indicate the data volume of the service carried by the i-th frame.
- the i-th frame carries third information, and the third information is used to indicate the data volume of the service carried by the i-th frame.
- the third information is carried in the overhead part (or overhead area) of the transmission frame.
- a service processing method which includes a sending end device generating a plurality of transmission frames, an i-th frame of the plurality of transmission frames carries sequence number information, and the sequence number information is used to indicate that the i-th frame is The sequence numbers in the multiple transmission frames, i ⁇ [1, M], M is the number of the multiple transmission frames; the multiple transmission frames are sent to the receiving end device.
- the receiving end device can determine whether the transmission frame is lost according to the sequence number information carried in the received transmission frame.
- sequence number information is carried in the overhead part (or overhead area) of the transmission frame.
- sequence number information listed above in the transmission frame is only exemplary, and the application is not limited thereto.
- sequence number information may also be located in the payload part (or payload area) of the transmission frame.
- a service processing method including the receiving end device receiving at least one transmission frame, wherein the at least one transmission frame belongs to multiple transmission frames carrying a service sent by the transmitting end device, and the multiple transmission frames
- the i-th frame carries sequence number information, and the sequence number information is used to indicate the sequence number of the i-th frame in the multiple transmission frames, i ⁇ [1, M], M is the number of the multiple transmission frames , M>1; the receiving unit determines whether the transmission frame is lost according to the sequence number information.
- sequence number information is carried in the overhead part (or overhead area) of the transmission frame.
- a service processing apparatus including: a processing unit, configured to generate a plurality of transmission frames, an i-th frame of the plurality of transmission frames carries first information, and the first information is used to indicate t The data volume of the service carried by each transmission frame in the transmission frames, where the t transmission frames include the itth frame to the i-1th frame in the plurality of transmission frames, it>0, t ⁇ 1;
- the unit is configured to send the multiple transmission frames to the receiving end device.
- the first information includes t pieces of sub-information, and the t pieces of sub-information have a one-to-one correspondence with the t transmission frames, and each sub-information of the t pieces of sub-information is used to indicate the service carried by the corresponding transmission frame The amount of data.
- the data amount of the service carried by the transmission frame is a first value or a second value
- the first information includes t bits
- the t bits correspond to the t transmission frames in a one-to-one manner
- the value of each bit of the t bits corresponds to the data volume of the service carried by the corresponding transmission frame.
- the i-th frame carries second information, and the second information is used to indicate the sequence number of the i-th frame in the multiple transmission frames.
- the i-th frame carries third information, and the third information is used to indicate the data volume of the service carried by the i-th frame.
- a service processing apparatus including: a transceiving unit configured to receive at least one transmission frame, where the at least one transmission frame belongs to multiple transmission frames carrying a service sent by a sending end device, and the multiple The i-th frame of the two transmission frames carries first information, and the first information is used to indicate the data volume of the service carried by each of the t transmission frames, and the t transmission frames include the multiple transmissions. From the itth frame to the i-1th frame in the frames, it>0, t ⁇ 1; the processing unit is configured to determine the clock information of the service carried by the at least one transmission frame according to the first information.
- the i-th frame is a transmission frame received by the receiving end device in a first time unit
- the processing unit is specifically configured to: when a transmission frame loss occurs in the first time unit, according to the first
- the first information carried in the transmission frame determines the transmission rate of the service sent by the sending end device in the first time unit, and according to the transmission rate, determines the bearer of the transmission frame received in the first time unit Clock information for your business.
- the first information includes t pieces of sub-information, and the t pieces of sub-information have a one-to-one correspondence with the t transmission frames, and each sub-information of the t pieces of sub-information is used to indicate the service carried by the corresponding transmission frame The amount of data.
- the data amount of the service carried by the transmission frame is a first value or a second value
- the first information includes t bits
- the t bits correspond to the t transmission frames in a one-to-one manner
- the value of each bit of the t bits corresponds to the data volume of the service carried by the corresponding transmission frame.
- the i-th frame carries second information, and the second information is used to indicate the sequence number of the i-th frame in the multiple transmission frames.
- the i-th frame carries third information, and the third information is used to indicate the data volume of the service carried by the i-th frame.
- a service processing apparatus including a processing unit configured to generate a plurality of transmission frames, the i-th frame of the plurality of transmission frames carries sequence number information, and the sequence number information is used to indicate the i-th frame
- the sequence number of the frame in the multiple transmission frames, i ⁇ [1, M], M is the number of the multiple transmission frames;
- the sending unit is configured to send the multiple transmission frames to the receiving end device. Therefore, the receiving end device can determine whether the transmission frame is lost according to the sequence number information carried in the received transmission frame.
- sequence number information is carried in the overhead part (or overhead area) of the transmission frame.
- sequence number information listed above in the transmission frame is only exemplary, and the application is not limited thereto.
- sequence number information may also be located in the payload part (or payload area) of the transmission frame.
- a service processing apparatus including a transceiving unit, configured to receive at least one transmission frame, where the at least one transmission frame belongs to multiple transmission frames carrying a service sent by a sending end device, and the multiple
- the i-th frame in the transmission frame carries sequence number information, and the sequence number information is used to indicate the sequence number of the i-th frame in the multiple transmission frames, i ⁇ [1, M], M is the multiple transmission frames
- the processing unit is used to determine whether the transmission frame is lost according to the sequence number information.
- sequence number information is carried in the overhead part (or overhead area) of the transmission frame.
- a communication device which includes various modules or units for executing any one of the first to fourth aspects and the method in any one of its possible implementation manners.
- a communication device including a processor, which is coupled with a memory and can be used to execute any one of the first to fourth aspects and the method in a possible implementation manner thereof.
- the communication device further includes a memory.
- the communication device further includes a communication interface, and the processor is coupled with the communication interface.
- the communication device further includes a communication interface, and the processor is coupled with the communication interface.
- the communication device is an OTN device.
- the communication interface may be a transceiver, or an input/output interface.
- the communication device is a chip or a chip system.
- the communication interface may be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip or chip system.
- the processor may also be embodied as a processing circuit or a logic circuit.
- a communication device including: an input circuit, an output circuit, and a processing circuit.
- the processing circuit is configured to receive a signal through the input circuit and transmit a signal through the output circuit, so that the people in the first aspect to the fourth aspect and any one of the possible implementation manners of each aspect thereof The method is implemented.
- the above-mentioned communication device may be a chip
- the input circuit may be an input pin
- the output circuit may be an output pin
- the processing circuit may be a transistor, a gate circuit, a flip-flop, and various logic circuits.
- the input signal received by the input circuit may be received and input by, for example, but not limited to, a receiver
- the signal output by the output circuit may be, for example, but not limited to, output to the transmitter and transmitted by the transmitter
- the circuit can be a different circuit or the same circuit. In this case, the circuit is used as an input circuit and an output circuit at different times.
- the embodiments of the present application do not limit the specific implementation manners of the processor and various circuits.
- a processing device including a processor and a memory.
- the processor is used to read instructions stored in the memory, receive signals through a receiver, and transmit signals through a transmitter, so as to execute any one of the first to fourth aspects and various possible implementations. Methods.
- processors there are one or more processors, and one or more memories.
- the memory may be integrated with the processor, or the memory and the processor may be provided separately.
- the memory can be a non-transitory memory, such as a read only memory (ROM), which can be integrated with the processor on the same chip, or can be set on different chips.
- ROM read only memory
- the embodiment of the present application does not limit the type of the memory and the setting mode of the memory and the processor.
- sending instruction information may be a process of outputting instruction information from the processor
- receiving capability information may be a process of receiving input capability information by the processor.
- the processed output data may be output to the transmitter, and the input data received by the processor may come from the receiver.
- the transmitter and receiver can be collectively referred to as a transceiver.
- the processor in the above-mentioned twelfth aspect may be a chip, and the processor may be implemented by hardware or software.
- the processor When implemented by hardware, the processor may be a logic circuit, an integrated circuit, etc.; when implemented by software
- the processor may be a general-purpose processor, which is implemented by reading software codes stored in the memory.
- the memory may be integrated in the processor, may be located outside the processor, and exist independently.
- a processing device including: a communication interface and a processing circuit, the communication interface is used to send a transmission frame according to the method in the first aspect or the third aspect and any one of its possible implementation manners , The processing circuit is used to generate the transmission frame.
- a processing device including: a communication interface and a processing circuit, the communication interface is used to obtain a transmission frame to be processed, and the processing circuit is used in accordance with the second or fourth aspect and The method in any one of its possible implementation manners processes the to-be-processed transmission frame.
- a computer program product includes: a computer program (also called code, or instruction), which when the computer program is executed, causes a computer to execute the first aspect To any aspect of the fourth aspect and the method in any possible implementation manner of each aspect.
- a computer program also called code, or instruction
- a computer-readable medium stores a computer program (also called code, or instruction) when it runs on a computer, so that the computer executes the above-mentioned first Aspect to any one of the fourth aspect and the method in any one of the possible implementation manners of each aspect.
- a computer program also called code, or instruction
- a communication system which includes the aforementioned sender device and receiver device.
- Fig. 1 is a schematic diagram of an example of the communication system of the present application.
- Fig. 2 is a schematic diagram of an example of the communication device of the present application.
- Fig. 3 is a schematic interaction diagram of an example of the service processing method of the present application.
- Fig. 4 is a schematic diagram of an example of a transmission frame of the present application.
- Fig. 5 is a schematic diagram of another example of a transmission frame of the present application.
- Fig. 6 is a schematic diagram of another example of the transmission frame of the present application.
- FIG. 7 is a schematic interaction diagram of another example of the service processing method of the present application.
- Fig. 8 is a schematic diagram of an example of the business processing apparatus of the present application.
- Fig. 9 is a schematic diagram of another example of the business processing apparatus of the present application.
- the optical network of this application may include, but is not limited to, an optical transport network (optical transport network, OTN).
- OTN optical transport network
- An OTN is usually formed by connecting multiple devices through optical fibers, and can be composed of linear, ring, mesh, etc. according to specific needs. Different topology types.
- OTN 100 is composed of 8 OTN devices 101, that is, device AH.
- 102 indicates optical fiber, used to connect two devices;
- 103 indicates customer service interface, used to receive or send customers Business data.
- an OTN device may have different functions.
- OTN devices are divided into optical layer devices, electrical layer devices, and photoelectric hybrid devices.
- Optical layer devices refer to those capable of processing optical layer signals Equipment, such as: optical amplifier (optical amplifier, OA), optical add-drop multiplexer (optical add-drop multiplexer, OADM).
- OA can also be called optical line amplifier (optical line amplifier, OLA), mainly used for The optical signal is amplified to support the transmission of longer distances under the premise of ensuring the specific performance of the optical signal.
- OLA optical line amplifier
- OADM is used to spatially transform the optical signal so that it can be from different output ports (sometimes called directions) Output.
- Electrical layer equipment refers to equipment that can process electrical layer signals, such as equipment that can process OTN signals.
- Optoelectronic hybrid equipment refers to equipment that has the ability to process optical layer signals and electrical layer signals. It should be noted that according to For specific integration requirements, one OTN device can integrate multiple different functions. The technical solution provided in this application is suitable for OTN devices with different forms and integration levels that include electrical layer functions.
- FIG. 2 is a schematic diagram of the hardware structure of a possible communication device (ie, the sending end device or the receiving end device in this application).
- the OTN device 200 includes a tributary board 201, a crossover board 202, a circuit board 203, an optical layer processing board (not shown in the figure), and a system control and communication board 204.
- the types and numbers of boards included in a communication device may be different.
- the communication device as the core node does not have the tributary board 201.
- a communication device as an edge node has multiple tributary boards 201, or no optical crossover board 202.
- a communication device that only supports electrical layer functions may not have an optical layer processing board.
- the tributary board 201, the cross board 202, and the circuit board 203 are used to process the electrical layer signals of the OTN.
- the tributary board 201 is used to implement the reception and transmission of various customer services, such as SDH services, packet services, Ethernet services, and fronthaul services.
- the tributary board 201 can be divided into a client-side optical module and a signal processor.
- the client-side optical module may be an optical transceiver for receiving and/or sending service data.
- the signal processor is used to implement the mapping and de-mapping processing of the service data to the data frame.
- the cross board 202 is used to implement the exchange of data frames and complete the exchange of one or more types of data frames.
- the circuit board 203 mainly implements the processing of the data frame on the line side.
- the circuit board 203 can be divided into a line-side optical module and a signal processor.
- the line-side optical module may be a line-side optical transceiver for receiving and/or sending data frames.
- the signal processor is used to implement multiplexing and demultiplexing, or mapping and demapping processing of data frames on the line side.
- the system control and communication single board 204 is used to implement system control. Specifically, information can be collected from different boards through the backplane, or control instructions can be sent to the corresponding boards. It should be noted that, unless otherwise specified, there may be one or more specific components (such as a signal processor), which is not limited in this application.
- Fig. 3 shows a schematic interaction diagram of an example of the service processing method of the present application.
- the device #A that is, an example of the sending end device
- the service does not require an independent clock signal during transmission. That is, the receiving end can determine the clock information (or clock signal) of the service according to the bandwidth (or rate, that is, the amount of data transmitted per unit time) of the service, and then realize the clock recovery of the service.
- the service may include, but is not limited to, a constant bit rate (Constants Bit Rate, CBR) service.
- CBR is a constant bit rate method for encoding.
- CBR services may include, but are not limited to, multimedia streaming services, such as video streaming services, virtual reality (VR) services, augmented reality (Augmented Reality) services, and so on.
- the device #A In S320, the device #A generates multiple transmission frames carrying the above-mentioned services.
- device #A maps the data stream of the foregoing service to multiple transmission frames, specifically, the payload portion of the transmission frame, or the payload area.
- device #A adds to each transmission frame information about the amount of service data carried in each of the first t transmission frames of the transmission frame (ie, An example of the first information is hereinafter referred to as information #A) for ease of understanding.
- Device #A can map the data stream of the service to multiple transmission frames (or in other words, data frames, transmission signals, and service signals).
- the period of the transmission frame may be a fixed frame period, and the transmission frame of the fixed frame period may be, for example, an OTN frame.
- OTN frames are used to carry various business data and provide rich management and monitoring functions.
- the OTN frame may be ODUk, ODUCn, ODUflex, or optical channel transmission unit k (optical transport unit k, OTUk), OTUCn, or flexible OTN (FlexO) frame, etc.
- ODU frame includes ODU frame and OTU overhead;
- Cn means variable rate, specifically A rate that is a positive integer multiple of 100Gbps.
- an ODU frame refers to any of ODUk, ODUCn, or ODUflex
- an OTU frame refers to any of OTUk, OTUCn, or FlexO. It should also be pointed out that with the development of OTN technology, a new type of OTN frame may be defined, which is also applicable to this application.
- the period of the transmission frame may be a non-fixed frame period.
- a flexible optical service unit (OSUflex) frame can be cited.
- Method 1 Device #A can use, for example, Generic Mapping Procedure (GMP), Asynchronous Mapping Procedure (AMP), Bit-synchronous Mapping Procedure (BMP), etc. to complete the slave service The process of mapping data streams to fixed-period transmission frames.
- GMP Generic Mapping Procedure
- AMP Asynchronous Mapping Procedure
- BMP Bit-synchronous Mapping Procedure
- device #A uses the sigma/delta algorithm to uniformly configure stuff bytes in the service data stream (or client signal) so that the service data stream and the transmission frame (For example, ODUk frame) rate matching.
- the period of the OSUflex frame is a non-fixed frame period, and the OSUflex frame period is related to the rate (or bandwidth) of the carried service data stream. Therefore, the device #A can provide a variable OSUflex frame rate according to the rate of the service data stream. Furthermore, it is possible to support mapping of service data streams of any bandwidth into the OSUflex frame.
- the OSUflex frame is a container generated using the local clock (ie, the local clock of device #A), and the rate of the OSUflex frame can be expressed as the following formula:
- OSUflex_MBU represents the minimum particle bandwidth of the OSUflex frame.
- the value of OSUflex_MBU may include but is not limited to 2.4Mbps.
- the OSUflex frame can provide a container with a bandwidth of N ⁇ 2.4 Mbps.
- the bandwidth of the OSUflex frame payload used to carry service data streams needs to be greater than the bandwidth of the service data stream.
- N is too large, the mapping delay will increase and the mapping efficiency will decrease. . Therefore, in this application, the value of N is calculated as follows:
- OSUflex_MBU_payload_nom_bitrate represents the bandwidth of the payload of the smallest particle of the OSUflex frame.
- Number_of_bit_in_OSUflex_payload represents the number of bits included in the payload (payload field) of the OSUflex frame.
- Number_of_bit_in_OSUflex represents the total number of bits included in the OSUflex frame.
- the function ceiling() means rounding up, or rounding up.
- CBR_client_nom_bitrate represents the bandwidth of the CBR client signal (that is, an example of a service data stream).
- CBR_client_bitrate_tolerance indicates that the CBR client signal tolerates frequency deviation.
- OSUflex_bitrate_tolerance represents OSUflex frame tolerance frequency deviation.
- the size of the data amount carried by the OSUflex frame (in other words, the length of the data, or the length of the payload carrying the data) is recorded as PL_LEN.
- the value of PL_LEN can include two possible values, namely:
- the minimum value, recorded as PL_LEN_MIN, corresponds to the C n, min parameters in GMP, and
- the maximum value, recorded as PL_LEN_MAX, corresponds to the C n,max parameter in GMP.
- PL_LEN_MIN and PL_LEN_MAX are as follows:
- OSUflex_payload_nom_bitrate N ⁇ OSUflex_MBU_payload_nom_bitrate
- OSUflex_payload_nom_bitrate represents the bandwidth of the data (for example, CBR signal) carried in the OSUflex frame.
- Number_of_bytes_in_OSUflex_payload represents the byte length corresponding to the payload length of OUSflex.
- the function floor() means rounding down, or in other words, rounding down.
- PL_LEN_MIN of different services
- PL_LEN_MAX for different services
- mapping manners from the service data stream to the transmission frame listed above are only exemplary descriptions, and this application is not limited to this, and those skilled in the art can use any manner to complete the foregoing mapping process.
- the adding process of the data amount indication information in each of the multiple transmission frames is similar.
- a detailed description will be given by taking the processing procedure for the transmission frame #A (the i-th transmission frame among the multiple transmission frames) in the multiple transmission frames as an example.
- the information #A carried in the transmission frame #A is used to indicate the transmission frame from the itth transmission frame to the i-1th transmission frame (that is, the first t transmission frames of the transmission frame #A) among the multiple transmission frames.
- the data volume of the service carried by each transmission frame in for example, the number of bits included in the service carried in the payload area of the transmission frame.
- t is a positive integer
- i is a positive integer
- i-t>0 is a positive integer
- the information #A may use a bit mapping manner to indicate the amount of data carried by each of the first t transmission frames of the transmission frame #A.
- the information #A may include t pieces of sub-information, and each sub-information may include one or more bits.
- the t pieces of sub-information correspond to the t transmission frames (from the i-tth transmission frame to the i-1th transmission frame) in a one-to-one correspondence.
- Each sub-information corresponds to the amount of data carried in the transmission frame corresponding to the sub-information. For example, suppose that the sub information #B in the t sub information corresponds to the transmission frame #B in the t transmission frames. Then the value of the bit in the sub-information #B corresponds to the amount of data carried in the transmission frame #B.
- the mapping relationship #1 (ie, an example of the first mapping relationship) may be stored in the sending device and the receiving device.
- the mapping relationship #1 indicates the corresponding relationship between various bit sequences and various values.
- the mapping relationship #1 may be negotiated and determined by the sending end device and the receiving end device.
- the mapping relationship #1 may also be specified by a communication system or a communication protocol, which is not particularly limited in this application, as long as the mapping relationship stored by the sending end device and the receiving end device are consistent.
- the device #A can select the bit sequence corresponding to the value of the data amount carried in the transmission frame #B according to the mapping relationship #1 as the sub-information #B.
- the value of PL_LEN of each OSUflex frame may include two possible values, namely, PL_LEN_MIN and PL_LEN_MAX.
- PL_LEN_MIN and PL_LEN_MAX can correspond to different bits, for example, PL_LEN_MIN corresponds to "1", and PL_LEN_MAX corresponds to "0".
- Table 1 below shows an example of mapping relationship #1.
- PL_LEN_MIN of different services may be different, and the value of PL_LEN_MAX of different services may be different.
- mapping relationships listed in Table 1 above are only exemplary descriptions, and this application is not limited to this.
- PL_LEN may also include multiple possible values. In this case, the number of bits of sub-information can be increased by Ways to realize the indication of PL_LEN with multiple values.
- the indication manner of the information #A listed above is only an exemplary description, and the present application is not limited thereto.
- the information #A may also indicate the sum of the number of services carried in the t transmission frames.
- a sub-information in the message #A (for example, sub-information #B) can be used to indicate the amount of data (denoted as, data amount) of the service carried in the corresponding transmission frame (for example, transmission frame #B) #B), and other sub-information in the information #A can be used to indicate the deviation of the data amount of the service carried in the corresponding transmission frame from the data amount #B.
- each sub-information in the information #A may be used to indicate the deviation between the data amount of the service carried in the corresponding transmission frame and the preset reference data amount.
- Fig. 4 shows an example of the transmission frame of the present application.
- the transmission frame #A includes a payload part (or, a payload area) and an overhead part (or, an overhead area), wherein the payload part of the transmission frame #A is used
- the overhead part of the transmission frame #A carries the above-mentioned information #A. Therefore, the receiving end device can obtain the information #A without analyzing the payload part.
- the structure of the transmission frame #A listed above is only an exemplary description, and the present application is not limited thereto.
- the information #A may also be carried in the payload part of the transmission frame #A.
- Fig. 5 shows another example of the transmission frame of the present application.
- the transmission frame #A also carries information #B (ie, an example of the second information), which is used to indicate the sequence number of the transmission frame #A in the multiple transmission frames formed through service mapping as described above.
- the overhead part of the transmission frame #A carries the above-mentioned information #B. Therefore, the receiving end device can obtain the information #B without analyzing the payload part.
- the structure of the transmission frame #A listed above is only an exemplary description, and the present application is not limited thereto.
- the information #B may also be carried in the payload part of the transmission frame #A.
- Fig. 6 shows another example of the transmission frame of the present application.
- the transmission frame #A may also carry information #C (that is, an example of the third information).
- the information #C is used to indicate the data volume of the service carried by the transmission frame #A (specifically, the payload part of the transmission frame #A).
- the information #C and the above-mentioned information #A may also be the same information (for example, the bits occupied by the information #C are continuous with the bits occupied by the above-mentioned information #A), that is, the information may indicate the information from the it The amount of service data carried in each transmission frame from the frame to the i-th frame.
- the information #C and the above-mentioned information #A may also be independent of each other. For example, the interval between the bits occupied by the information #C and the above-mentioned information #A is occupied by other information or bits.
- each of the multiple transmission frames generated in S320 may be similar to the structure of the foregoing transmission frame #A.
- the transmission frame may include The above-mentioned information #A field (or bits, for ease of understanding, recorded as the first field), but the first field may not carry information #A.
- the bits carried on this field may be empty or a specified special value (for example, padding bits), so that the receiving end device determines the first field of the transmission frame.
- a specified special value for example, padding bits
- the bits carried on the above are empty or the above-mentioned padding bits, there is no need to analyze the information carried on the first field, that is, the information carried on the first field is considered to be meaningless.
- the above-mentioned padding bits may be pre-arranged by the sending end and the receiving end or specified by the system, which is not particularly limited in this application.
- the device #A may send the multiple transmission frames generated as described above to the device #B (that is, an example of the receiving end device).
- device #B may not be able to receive all the transmitters sent by device #A, that is, frame loss occurs.
- the device #B cannot accurately recover the clock information from the received transmission frame, and thus cannot accurately obtain the service data from the transmission frame.
- the device #B can accurately recover the clock information from the received transmission frame according to the information #A in the transmission frame, so as to accurately obtain the service data from the transmission frame.
- the device #B may determine the transmission frame that is lost among the foregoing multiple transmission frames.
- the device #B may determine the missing sequence number according to the information #B carried in each transmission frame in the received transmission frame, and determine the transmission frame with the missing sequence number as the lost transmission frame.
- the device #B can use the following methods To process.
- Device #B can receive the transmission frame with the smallest sequence number (denoted as transmission frame #D) from the received transmission frame whose sequence number is greater than that of the transmission frame #C, that is, the transmission frame #D is a sub-transmission of device #A Among the transmission frames sent after frame #C, the transmission frame with the smallest sequence number received by device #B.
- transmission frame #D the transmission frame with the smallest sequence number
- the transmission frame #D is the jth frame among the multiple transmission frames generated by the device #A in S120, it means the jdth frame, the j-d+1th frame,..., the j-1th frame Lost occurred.
- the device #B can determine the jdth frame, the j-d+1th frame,..., the j-1th frame according to the information #A carried in the transmission frame #D The amount of service data carried in each transmission frame.
- device #B determines that Y transmission frames are received in period #A (that is, an example of the first time unit), and X transmission frames are lost.
- device #B can determine the amount of service data carried in each of the X transmission frames that are lost according to information #A, device #B can determine the amount of service data that is lost in period #A (record Do, the amount of data #X).
- the device #B can determine the amount of service data carried in each of the Y transmission frames. For example, the device #B may analyze the payload part of each transmission frame in the Y transmission frames, and then determine the amount of service data carried by each transmission frame in the Y transmission frames. Or, when the transmission frame carries the above information #C, the device #B can determine the service data carried in each of the Y transmission frames according to the above information #C of each transmission frame in the Y transmission frames quantity. Furthermore, the device #B can determine the data volume of the service received in the period #A (denoted as data volume #Y). Then, the device #B can determine the bandwidth (or the transmission rate of the service) v of the service in the period #A.
- the device #B may analyze the payload part of each transmission frame in the Y transmission frames, and then determine the amount of service data carried by each transmission frame in the Y transmission frames. Or, when the transmission frame carries the above information #C, the device #B can determine the service data carried in each of the Y transmission frames according to
- x represents the amount of data #X
- y represents the amount of data #Y
- t represents the duration of the period #A.
- the device #B can determine the clock information of the service according to the value of v.
- bit width w identifies the amount of data that the device #B can process at a time when recovering service data from the transmission frame.
- device #B can determine the jdth frame, the j-d+1th frame,..., the information #A carried in the transmission frame #D The amount of service data carried by each transmission frame in j-1 frames.
- the device #B still cannot determine the data volume of the service carried in a part (d-t) of the lost transmission frames. That is, when the bit error rate of the transmission channel between device #A and device #B is large and the number of consecutively lost transmission frames is large, device #B cannot determine the value of the service carried in each lost transmission frame. The amount of data.
- the bit error rate of the transmission channel between device #A and device #B is small and the number of consecutively lost transmission frames is small, the value of t can be reduced.
- FIG. 7 shows a schematic interaction diagram of another example of the service processing method of the present application.
- device #B can also send feedback information to device #A, and the feedback information can be used to indicate the bit error rate of device #B within a specified period of time.
- the packet loss rate therefore, the device #A can adjust the value of t according to the feedback information.
- the feedback method shown in FIG. 7 is only an example in which device #A learns the bit error rate of the transmission channel between device #A and device #B. This application is not limited to this. Determine the bit error rate of the transmission channel between the device #A and the device #B by means of verification model or online test, and input the bit error rate information into the device #A.
- FIG. 8 is a schematic block diagram of a service apparatus 400 provided by an embodiment of the present application.
- the device 400 includes a transceiver unit 410 and a processing unit 420.
- the transceiving unit 410 can communicate with the outside, and the processing unit 420 is used for service processing.
- the transceiving unit 410 may also be referred to as a communication interface or a communication unit.
- the apparatus 400 may further include a storage unit, and the storage unit may be used to store instructions and/or data, and the processing unit 420 may read the instructions and/or data in the storage unit.
- the apparatus 400 may be used to perform the actions performed by the sending end device in the above method embodiment.
- the apparatus 400 may be a communication device or a component configurable in the communication device, and the transceiver unit 410 is used for Performing operations related to the sending and receiving of the transmitting end device in the foregoing method embodiment, and the processing unit 420 is configured to perform the processing related operations on the transmitting end device side in the foregoing method embodiment.
- the apparatus 400 may be used to perform the actions performed by the receiving device in the above method embodiment.
- the apparatus 400 may be a communication device or a component that can be configured in a communication device, and the transceiver unit 410 is used for To perform the operations related to the receiving and sending of the receiving end device in the above method embodiment, the processing unit 420 is configured to perform the processing related operations on the receiving end device side in the above method embodiment.
- an embodiment of the present application also provides a service processing device 500.
- the device 500 includes a processor 510, which is coupled to a memory 520, the memory 520 is used to store computer programs or instructions or and/or data, and the processor 510 is used to execute the computer programs or instructions and/or data stored in the memory 520, so that The method in the above method embodiment is executed.
- the communication device 500 includes one or more processors 510.
- the communication device 500 may further include a memory 520.
- the memory 520 may be one or more.
- the memory 520 may be integrated with the processor 510 or provided separately.
- the wireless communication device 500 may further include a transceiver 530, which is used for receiving and/or transmitting signals.
- the processor 510 is configured to control the transceiver 530 to receive and/or send signals.
- the communication device 500 is used to implement the operations performed by the receiving end device in the foregoing method embodiments.
- the processor 510 is configured to implement the operations related to service processing performed by the receiving end device in the foregoing method embodiment
- the transceiver 530 is configured to implement the transceiving related operations performed by the receiving end device in the foregoing method embodiment.
- the communication device 500 is used to implement the operations performed by the sending end device in the foregoing method embodiments.
- the processor 510 is configured to implement the operations related to service processing performed by the transmitting end device in the foregoing method embodiment
- the transceiver 530 is configured to implement the transceiving related operations performed by the generating end device in the foregoing method embodiment.
- the transmitting end device or the receiving end device in the above embodiment may include an OTN device.
- the embodiment of this application does not specifically limit the specific structure of the execution subject of the method provided in the embodiment of this application, as long as it can run a program that records the code of the method provided in the embodiment of this application, according to the method provided in the embodiment of this application.
- the execution subject of the method provided in the embodiments of the present application may be a terminal device or a satellite, or a functional module in the terminal device or the satellite that can call and execute the program.
- computer-readable media may include, but are not limited to: magnetic storage devices (for example, hard disks, floppy disks, or tapes, etc.), optical disks (for example, compact discs (CD), digital versatile discs (digital versatile disc, DVD), etc.), etc. ), smart cards and flash memory devices (for example, erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.).
- magnetic storage devices for example, hard disks, floppy disks, or tapes, etc.
- optical disks for example, compact discs (CD), digital versatile discs (digital versatile disc, DVD), etc.
- smart cards and flash memory devices for example, erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.
- the various storage media described herein may represent one or more devices and/or other machine-readable media for storing information.
- the term "machine-readable medium” may include, but is not limited to, wireless channels and various other media capable of storing, containing, and/or carrying instructions and/or data.
- processors mentioned in the embodiments of this application may be a central processing unit (central processing unit, CPU), or other general-purpose processors, digital signal processors (digital signal processors, DSP), and application-specific integrated circuits ( application specific integrated circuit (ASIC), ready-made programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
- the general-purpose processor may be a microprocessor or any conventional processor or the like.
- the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be random access memory (RAM).
- RAM can be used as an external cache.
- RAM may include the following various forms: static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM) , Double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (synchlink DRAM, SLDRAM) and Direct RAM Bus RAM (DR RAM).
- static random access memory static random access memory
- dynamic RAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM synchronous DRAM
- Double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
- enhanced SDRAM enhanced synchronous dynamic random access memory
- SLDRAM Direct RAM Bus RAM
- the processor when the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component, the memory (storage module) can be integrated in the processor. It should also be noted that the memories described herein are intended to include, but are not limited to, these and any other suitable types of memories.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solutions of the embodiments of the present application are essentially or the part that contributes to the prior art or the part of the technical solutions can be embodied in the form of a software product, and the computer software product is stored in a storage medium.
- Including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .
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Abstract
Description
比特 | PL_LEN的取值 |
1 | PL_LEN_MIN |
0 | PL_LEN_MAX |
Claims (19)
- 一种业务处理的方法,其特征在于,包括:发送端设备生成多个传输帧,所述多个传输帧中的第i帧携带第一信息,所述第一信息用于指示t个传输帧中的每个传输帧承载的业务的数据量,所述t个传输帧包括所述多个传输帧中的第i-t帧到第i-1帧,i-t>0,t≥1;向接收端设备发送所述多个传输帧。
- 根据权利要求1所述的方法,其特征在于,所述第一信息包括t个子信息,所述t个子信息与所述t个传输帧一一对应,所述t个子信息的每个子信息用于指示所对应的传输帧承载的业务的数据量。
- 根据权利要求1或2所述的方法,其特征在于,所述第一信息包括t个比特,所述t个比特与所述t个传输帧一一对应,所述t个比特的每个比特的值与所对应的传输帧承载的业务的数据量对应。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述第一信息承载于传输帧的开销部分。
- 根据权利要求1至4中任一项所述的方法,其特征在于,所述t的值是根据所述发送端设备与所述接收端设备之间的传输通道的误码率确定的。
- 根据权利要求1至5中任一项所述的方法,所述t等于1、2或3。
- 根据权利要求1至6中任一项所述的方法,所述第i帧携带第二信息,所述第二信息用于指示所述第i帧在所述多个传输帧中的序号。
- 根据权利要求1至7中任一项所述的方法,所述第i帧携带第三信息,所述第三信息用于指示所述第i帧承载的业务的数据量。
- 一种业务处理的方法,其特征在于,包括:接收端设备接收至少一个传输帧,其中,所述至少一个传输帧属于发送端设备发送的多个传输帧,所述多个传输帧中的第i帧携带第一信息,所述第一信息用于指示t个传输帧中的每个传输帧承载的业务的数据量,所述t个传输帧包括所述多个传输帧中的第i-t帧到第i-1帧,i-t>0,t≥1;所述接收端设备根据所述第一信息,确定所述至少一个传输帧承载的业务的时钟信息。
- 根据权利要求9所述的方法,其特征在于,所述第i帧是所述接收端设备在第一时段接收的传输帧,以及所述接收端设备根据所述第一信息,确定所述至少一个传输帧承载的业务的时钟信息,包括:当所述第一时段内发生传输帧丢失时,所述接收端设备根据第一传输帧携带的第一信息,确定所述发送端设备在所述第一时段内发送的业务的传输速率;所述接收端设备根据所述传输速率,确定所述第一时间单元内接收到的传输帧承载的业务的时钟信息。
- 根据权利要求9或10所述的方法,其特征在于,所述第一信息包括t个子信息,所述t个子信息与所述t个传输帧一一对应,所述t个子信息的每个子信息用于指示所对应的传输帧承载的业务的数据量。
- 根据权利要求9至11中任一项所述的方法,其特征在于,所述第一信息包括t个比特,所述t个比特与所述t个传输帧一一对应,所述t个比特的每个比特的值与所对应的传 输帧承载的业务的数据量对应。
- 根据权利要求9至12中任一项所述的方法,其特征在于,所述第一信息承载于传输帧的开销部分。
- 根据权利要求9至13中任一项所述的方法,所述t等于1、2或3。
- 根据权利要求9至14中任一项所述的方法,所述第i帧携带第二信息,所述第二信息用于指示所述第i帧在所述多个传输帧中的序号。
- 根据权利要求9至15中任一项所述的方法,所述第i帧携带第三信息,所述第三信息用于指示所述第i帧承载的业务的数据量。
- 一种通信装置,其特征在于,包括处理器,所述处理器与存储器耦合,所述存储器用于存储计算机程序或指令,所述处理器用于执行存储器中的所述计算机程序或指令,使得如权利要求1至8中任一项所述的方法被执行,或者使得如权利要求9至16中任一项所述的方法被执行。
- 一种计算机可读存储介质,其特征在于,存储有计算机程序或指令,所述计算机程序或指令用于实现如权利要求1至8中任一项所述的方法,或者所述计算机程序或指令用于实现如权利要求9至16中任一项所述的方法。
- 一种计算机程序产品,所述计算机程序产品包括计算机程序,当所述计算机程序被运行时,使得计算机执行如权利要求1至8中任一项所述的方法,或者使得计算机执行如权利要求9至16中任一项所述的方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2022565917A JP2023523075A (ja) | 2020-04-28 | 2021-04-21 | サービス処理方法及び装置 |
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CN102196321A (zh) * | 2010-03-05 | 2011-09-21 | 华为技术有限公司 | 100ge数据在光传送网中的传送方法和数据发送装置 |
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CN102196321A (zh) * | 2010-03-05 | 2011-09-21 | 华为技术有限公司 | 100ge数据在光传送网中的传送方法和数据发送装置 |
WO2014029253A1 (zh) * | 2012-08-24 | 2014-02-27 | 烽火通信科技股份有限公司 | 一种otn网络中客户业务时钟提取的实现方法 |
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