WO2021218710A1 - 信息传输方法、装置、通信设备及可读存储介质 - Google Patents

信息传输方法、装置、通信设备及可读存储介质 Download PDF

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Publication number
WO2021218710A1
WO2021218710A1 PCT/CN2021/088470 CN2021088470W WO2021218710A1 WO 2021218710 A1 WO2021218710 A1 WO 2021218710A1 CN 2021088470 W CN2021088470 W CN 2021088470W WO 2021218710 A1 WO2021218710 A1 WO 2021218710A1
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Prior art keywords
oam
information
frame
field
oam information
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PCT/CN2021/088470
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English (en)
French (fr)
Inventor
张德朝
蔡谦
王东
李允博
李晗
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Application filed by 中国移动通信有限公司研究院, 中国移动通信集团有限公司 filed Critical 中国移动通信有限公司研究院
Priority to US17/922,077 priority Critical patent/US20230171018A1/en
Priority to JP2022566227A priority patent/JP2023526781A/ja
Publication of WO2021218710A1 publication Critical patent/WO2021218710A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/0058—Network management, e.g. Intelligent nets
    • 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
    • H04Q2011/0079—Operation or maintenance aspects

Definitions

  • This application relates to the field of wireless communication technology, and in particular to an information transmission method, device, communication device, and readable storage medium.
  • the length of various data frames is different, and the length between different data frames is extremely different. Therefore, in the communication protocol, especially in the interconnection scenario, the definition of the frame length is an important reality for the realization of interconnection and intercommunication. significance.
  • OAM Operation Administration and Maintenance
  • framing OAM frames which are identified and analyzed by the frame positioning function at the receiving end after framing.
  • OAM framing methods there are mainly two existing OAM framing methods:
  • OAM variable length frame According to the flexible extension length of the carrying message content, the OAM variable length frame format is flexible, but the frame positioning process is more complicated and the fixed framing time is long;
  • OAM fixed-length frame The fixed-frame time is short, but the message content is fixed-length, and the expansion performance is poor. When the message content is large, one frame cannot be carried.
  • the purpose of this application is to provide an information transmission method, device, communication device, and readable storage medium, so as to solve the problems of complicated processing, time-consuming, and poor scalability in the OAM information transmission solution in the prior art.
  • an embodiment of the present application provides an information transmission method, which is applied to a sending device, and the method includes:
  • the OAM frame contains N data frames with a frame length of L; N changes with the change in the amount of OAM information, and L remains unchanged with the change in the amount of OAM information. Change;
  • the data frame includes:
  • variable first field is used to carry variable OAM information
  • the second field is used to indicate the value of N or the length of OAM information
  • the third field is used to carry the check code
  • variable fourth field is used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • the method further includes:
  • the method further includes:
  • the value of N is determined.
  • the determining the value of N includes:
  • the encapsulating the acquired OAM information to form an OAM frame includes:
  • each of the N data frames includes a field that characterizes the sequence of the N data frames.
  • the sending of the OAM frame includes:
  • the embodiment of the present application also provides an information transmission method, which is applied to a receiving device, and the method includes:
  • the OAM frame is formed by encapsulating the OAM information in the optical network; the OAM frame includes N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the OAM The change in the amount of information remains unchanged.
  • the data frame includes:
  • variable first field is used to carry variable OAM information
  • the second field is used to indicate the value of N or the length of OAM information
  • the third field is used to carry the check code
  • variable fourth field is used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames, and the method further includes:
  • the OAM frame is subjected to frame positioning and identification, and the OAM information contained in each data frame is obtained.
  • the embodiment of the present application also provides an information transmission device, which is applied to a sending device, and the device includes:
  • the first obtaining module is used to obtain OAM information in the optical network
  • the first processing module is used to encapsulate the acquired OAM information to form an OAM frame;
  • the OAM frame includes N data frames with a frame length of L; N changes with the amount of OAM information, and L changes with OAM The change in the amount of information remains unchanged;
  • the first sending module is used to send the OAM frame.
  • the data frame includes:
  • variable first field is used to carry variable OAM information
  • the second field is used to indicate the value of N or the length of OAM information
  • the third field is used to carry the check code
  • variable fourth field is used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • the device further includes:
  • the first determining module is configured to determine the amount of information corresponding to the OAM information when N is 1, before encapsulating the obtained OAM information;
  • the second processing module is used to fill OAM information into the first field.
  • the device further includes:
  • the second determining module is configured to determine the amount of information corresponding to the OAM information when N is a positive integer greater than 1, before encapsulating the acquired OAM information;
  • the first judging module is used to judge whether the amount of information is greater than or equal to a preset threshold
  • the third determining module is configured to determine the value of N when it is determined that the amount of information is greater than or equal to a preset threshold.
  • the determining the value of N includes:
  • the first processing module is specifically configured to use the acquired OAM information to form the first field of each data frame in the N data frames; use the value of N to form each data frame in the N data frames The second field of the frame; N data frames are used to form an OAM frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames.
  • the sending of the OAM frame includes:
  • the embodiment of the present application also provides an information transmission device, which is applied to a receiving device, and the device includes:
  • the first receiving module is used to receive OAM frames
  • the OAM frame is formed by encapsulating the OAM information in the optical network; the OAM frame includes N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the OAM The change in the amount of information remains unchanged.
  • the data frame includes:
  • variable first field is used to carry variable OAM information
  • the second field is used to indicate the value of N or the length of OAM information
  • the third field is used to carry the check code
  • variable fourth field is used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames, and the device further includes:
  • the third processing module is configured to use the field that characterizes the sequence of the N data frames contained in each of the N data frames to perform frame positioning and recognition on the OAM frames to obtain the OAM information contained in each data frame.
  • An embodiment of the present application also provides a communication device, where the communication device is a sending device, and the communication device includes: a processor and a transceiver;
  • the processor is configured to obtain OAM information in the optical network; encapsulate the obtained OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; N varies with the amount of OAM information Change with change, L remains unchanged with the change of OAM information volume;
  • the OAM frame is sent out through the transceiver.
  • the data frame includes:
  • variable first field is used to carry variable OAM information
  • the second field is used to indicate the value of N or the length of OAM information
  • the third field is used to carry the check code
  • variable fourth field is used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • the processor is further configured to:
  • the processor is further configured to:
  • N is a positive integer greater than 1, before encapsulating the acquired OAM information, determine the size of the information corresponding to the OAM information;
  • the value of N is determined.
  • the processor is specifically configured to:
  • the processor is specifically configured to:
  • each of the N data frames includes a field that characterizes the sequence of the N data frames.
  • the processor is specifically configured to:
  • the modulated signal is sent out through the transceiver.
  • An embodiment of the present application also provides a communication device, where the communication device is a receiving device, and the communication device includes: a processor and a transceiver;
  • the processor is configured to receive OAM frames through the transceiver;
  • the OAM frame is formed by encapsulating the OAM information in the optical network; the OAM frame includes N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the OAM The change in the amount of information remains unchanged.
  • the data frame includes:
  • variable first field is used to carry variable OAM information
  • the second field is used to indicate the value of N or the length of OAM information
  • the third field is used to carry the check code
  • variable fourth field is used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames, and the processor is further configured to:
  • the OAM frame is subjected to frame positioning and identification, and the OAM information contained in each data frame is obtained.
  • the embodiment of the present application also provides a communication device, including a memory, a processor, and a program stored on the memory and capable of running on the processor; the processor executes the program to implement the above-mentioned sending device side Method of information transmission; or,
  • the embodiment of the present application also provides a readable storage medium on which a program is stored, and when the program is executed by the processor, the steps in the information transmission method on the sending device side are realized; or,
  • the information transmission method obtains OAM information for operation, maintenance and management in the optical network; encapsulates the obtained OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; As the amount of OAM information changes, L remains the same as the amount of OAM information changes; the OAM frame is sent out; it is possible to use variable fixed length frames for OAM information to be transmitted, which is beneficial to the message
  • the encoding and decoding of OAM is easy to process, reduces time-consuming, and is beneficial to expand based on message content and ensure scalability; it solves the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • Figure 1 is a schematic diagram of an optical network architecture in related technologies
  • FIG. 2 is a schematic diagram 1 of the implementation process of the information transmission method in the embodiment of the present application.
  • FIG. 3 is a schematic diagram 1 of the implementation process of encapsulating OAM information to form an OAM frame in an embodiment of the present application;
  • FIG. 4 is a schematic diagram of the implementation process of determining the value of N in an embodiment of the present application.
  • FIG. 5 is a second schematic diagram of the implementation process of encapsulating OAM information to form an OAM frame in an embodiment of the present application
  • FIG. 6 is a second schematic diagram of the implementation process of the information transmission method in the embodiment of the present application.
  • FIG. 7 is a schematic diagram of an implementation process of parsing OAM frames in an embodiment of the present application.
  • FIG. 8 is a first schematic diagram of the composition structure of an information transmission device in an embodiment of the present application.
  • FIG. 9 is a second schematic diagram of the composition structure of an information transmission device in an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the composition structure of an information transmission system in an embodiment of the present application.
  • FIG. 11 is a schematic diagram 1 of the composition structure of a communication device in an embodiment of the application.
  • FIG. 12 is a second schematic diagram of the composition structure of a communication device in an embodiment of this application.
  • FIG. 1 is a schematic diagram of the optical network architecture in the related art.
  • the optical network architecture includes a sending device and a receiving device. Both the sending device and the receiving device are equipped with optical modules, and the optical modules of the sending device and the optical module of the receiving device.
  • the modules can jointly realize the OAM function.
  • OAM functions include three functions: Operation, Administration, and Maintenance. Operation function, used to complete the analysis, prediction, planning and configuration of daily network and business; management function, used to supervise network resources, performance, alarm, security and business; maintenance function, used to monitor the network and its Daily operational activities such as business testing and fault management.
  • the optical module of the sending device and the optical module of the receiving device can realize the OAM function in the following ways: monitor the performance of the network and generate maintenance information, evaluate the stability of the network based on the maintenance information, and detect network failures through regular queries. Various maintenance and alarm information; through scheduling or switching to other entities, bypassing the failed entity to ensure the normal operation of the network; passing the fault information to the management entity.
  • the sending device can send OAM information to the receiving device, so that the receiving device can monitor the resources, performance, alarms, security, and services of the optical network, and so on.
  • the receiving device can obtain the OAM information sent by the sending device through the frame positioning function.
  • the receiving device may not be able to receive the OAM information through the frame positioning function, resulting in the receiving device not being able to obtain the complete OAM. information.
  • the sending device encapsulates the OAM information into OAM frames, and sends the OAM frames to the receiving device, so that the receiving device can analyze the OAM frames through the frame positioning function.
  • the sending device may encapsulate the OAM information into an OAM frame in one of the following ways: encapsulate the OAM information into an OAM variable-length frame; encapsulate the OAM information into an OAM fixed-length frame.
  • the disadvantages of the above two framing methods are: First, the OAM information is encapsulated into OAM into a frame, that is, the frame length is flexibly extended according to the content of the message carried. Although the format of the OAM variable length frame is flexible, the receiving device is more sensitive to OAM.
  • the process of frame positioning processing for variable length frames is more complicated, and the framing time is longer.
  • the OAM information is encapsulated into OAM fixed-length frames.
  • the receiving device takes a short time to perform frame positioning processing on the OAM fixed-length frames, the message content has a fixed length, poor expansion performance, and cannot carry more message content.
  • the present application provides an information transmission method applied to a sending device in response to the existing OAM information transmission solutions that have the problems of complex processing, long time-consuming, and poor scalability, as shown in FIG. 2, the method includes:
  • Step 201 Obtain OAM information in the optical network
  • Step 202 Encapsulate the acquired OAM information to form an OAM frame; the OAM frame contains N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the size of the OAM information. Change remains the same;
  • Step 203 Send the OAM frame.
  • the optical network may include a transmitting device and a receiving device.
  • the transmitting device may be referred to as a remote device, specifically it may be an outdoor passive device, such as an antenna device; the receiving device may be called a local device, which may specifically be It is an indoor active device, for example, an indoor base station.
  • Both the sending device and the receiving device can be provided with an optical module, and the sending device can obtain OAM information in the optical network through its own optical module.
  • step 202 in the early stage of the optical network operation, the optical module in the transmitting device operates stably and generates less OAM information, so the value of N is small; as the operation period becomes longer, the external environment changes, and The device is gradually aging, and the OAM information generated increases, so the value of N is larger.
  • the sending device may send the OAM frame to the receiving device in the optical network, and the receiving device uses the frame positioning function to analyze the received OAM frame to obtain complete OAM information.
  • the information transmission method provided by the embodiments of the application obtains OAM information in an optical network; encapsulates the obtained OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; N follows The amount of OAM information changes, and L remains the same as the amount of OAM information changes; the OAM frame is sent out; the variable fixed length frame can be used to transmit OAM information, which is beneficial to the message Encoding and decoding are easy to process, reduce time-consuming, and are beneficial to expand based on message content and ensure scalability; it solves the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • the specific frame content is defined as:
  • Frame header flag 0x7E7E7E7E, which identifies the start of the frame
  • Frame end flag 0x7E, marking the end of the frame
  • Module ID 0x1 ⁇ 0x18, identifying the management channel corresponding to the frame
  • the frame length is the length of the OAM information, that is, the length of the field that fills the message content of the OAM information.
  • the length of the message content field can vary according to changes in the OAM information, occupying X bytes.
  • the check code is used to check the module ID, message type, message ID, message length and message content of each frame, that is, to check the information in the fixed-length frame except for the padding field.
  • padding field For the idle bytes in each frame, a predefined padding code (that is, padding field) is used, and the length is Y bytes. It is not difficult to understand that since the message content field is variable according to the length of the OAM information, and the length of the entire data frame is unchanged, the padding field is actually used to complement the OAM information to ensure the length of the entire data frame, that is, padding. The fields are also variable. Since this field is only for filling, no verification is performed during verification.
  • each of the N data frames may include a field that characterizes the sequence of the N data frames. Fields that reflect the order can be.
  • the method before the encapsulating the acquired OAM information, the method further includes:
  • the value of N is determined.
  • a single data frame is used to carry OAM information; when the information size of the OAM information is greater than or equal to the preset threshold, N frames of L frame length are used
  • the data frame carries OAM information.
  • Table 2 is the content contained in OAM information.
  • OAM information includes version information, manufacturer information, optical module information, alarm information, digital diagnostic function information, top adjustment parameters, semiconductor refrigeration parameters, loopback and extended information, etc. .
  • OAM information includes version information, manufacturer information, optical module information, alarm information, digital diagnostic function information, top adjustment parameters, semiconductor refrigeration parameters, loopback and extended information, etc. .
  • Step 301 Determine the amount of information corresponding to the acquired OAM information
  • Step 302 Determine whether the size of the information volume is greater than or equal to a preset threshold, and when it is determined that the size of the information volume is greater than or equal to the preset threshold, step 303 is executed.
  • Step 303 Encapsulate the acquired OAM information to form an OAM frame.
  • the OAM frame includes N data frames with a frame length of L; N and L are both positive integers greater than 1; N changes with the change in the amount of OAM information, and L remains unchanged with the change in the amount of OAM information ;
  • Each of the N data frames includes a field that characterizes the sequence of the N data frames.
  • a single data frame with a frame length of L is used to carry OAM information.
  • the total frame length of the OAM frame can be determined according to the information size of the OAM information; specifically, when the information size of the OAM information is less than the preset threshold, a single data frame is used to carry the OAM information, and when the information size of the OAM information is greater than or equal to When the threshold is preset, N data frames with a frame length of L are used to carry OAM information.
  • the size of the information of the OAM information is different, the total length of the OAM frame is different, especially in the interconnection scenario, the total frame length of the OAM frame is determined according to the size of the information of the OAM information, which has important practical significance for the realization of interconnection.
  • N data frames with a frame length of L are used to carry the OAM information; wherein the value of N can be determined according to the information volume of the OAM information.
  • the determining the value of N includes:
  • Step 401 Determine a numerical range matching the size of the OAM information; determine the maximum value of the numerical range;
  • the data frame in addition to carrying OAM information, can also carry other information. Therefore, assuming that a single data frame needs to carry 10 bytes of other information, the numerical range of the information size matching of the OAM information can be (0, M], M is a positive integer.
  • Step 402 Calculate the ratio of the maximum value to the frame length L;
  • Step 403 Use the calculated ratio as the value of N.
  • the result of adding 1 to the integer part of the ratio is taken as the value of N. Assuming that the ratio is equal to 1.68, the value of N is equal to 2.
  • determining the value of N according to the size of the OAM information has the following advantages:
  • the value of N is not fixed. When the amount of OAM information carried is large, a larger value of N is used, and when the amount of OAM information carried is small, a smaller value of N is used to ensure that the OAM frame can carry more OAM information.
  • the same N value can be used to encapsulate the OAM information when carrying the necessary OAM information, so that the transmission equipment of different manufacturers can be interconnected; when in addition to carrying the necessary OAM information, When other private information related to the manufacturer needs to be carried, the N value can be increased to encapsulate the OAM information, which not only meets the needs of different manufacturers to transmit information, but also does not affect the interconnection and intercommunication between the sending equipment of different manufacturers.
  • N data frames with a frame length of L are used to encapsulate the OAM information to form an OAM frame.
  • the encapsulating the acquired OAM information to form an OAM frame includes:
  • the function of the first field is to carry changed OAM information, so the first field is also variable.
  • the function of the second field is to notify the receiving device of the value of N, so that the receiving device can accurately frame the received OAM frame, thereby obtaining complete OAM information.
  • the obtained OAM information is used to form the first field of each of the N data frames, that is, the message content field, and the value of N is used to form the second field of each of the N data frames, namely The value field of N.
  • the second field may also be the total frame length of the OAM frame, that is, the value field of N ⁇ L.
  • the OAM frame In practical applications, in addition to the OAM information carried and the value of N, the OAM frame also needs to carry other information, such as a check code field.
  • each data frame in the N data frames further includes a third field; wherein, the third field represents the verification of the content associated with the OAM information in each data frame.
  • the third field can be a check code field; the check code field contained in each data frame in the N data frames does not need to be checked for the padding field, and the content associated with the OAM information is checked, which can reduce the check Content, thereby improving the efficiency of verification.
  • the process of determining the padding field contained in each data frame of N data frames may include the following two situations:
  • the filling field of the last data frame sorted among the N data frames is filled.
  • padding is performed in the padding field of each data frame in N data frames.
  • N is equal to 2 and L is equal to 64
  • the number of bytes used to carry other information except OAM information in each data frame is 10, and the information size of OAM information is 100 bytes
  • padding field is also variable.
  • Step 501 When the information amount of OAM information is greater than or equal to a preset threshold, determine the value of N;
  • Step 502 Use the acquired OAM information to form the first field of each of the N data frames; use the value of N to form the second field of each of the N data frames.
  • Table 3 shows the structure of two data frames with a frame length of L. As shown in Table 3, both data frames contain the following fields: frame header flag, module ID, message type, message ID, value of N, check Code, message content, padding, frame end flag.
  • the first field represents the information size of the OAM information
  • the second field the value field of N is determined according to the information size of the OAM information
  • the frame header flag field represents the order of N data frames For example, the frame header flag of the first data frame is 1, which occupies 4 bytes, and the frame header flag of the second data frame is 2, which occupies 4 bytes
  • the check field is used to check the data except for the padding field
  • Other fields such as frame header flag, module ID, and message type are checked without checking all fields.
  • Step 503 Utilize N data frames to form an OAM frame.
  • the N data frames can be combined in the order of the N data frames to obtain an OAM frame.
  • the OAM frame is composed of N data frames with a frame length of L, and the frame structure of N data frames has the following advantages:
  • each data frame of the N data frames is fixed, and each data frame contains a field for indicating the sequence of the N data frames and a field for indicating the value of N. In this way, it is convenient for the receiving device to follow these two This field accurately locates the frame. Compared with the method of changing the frame length to carry more OAM information in the related technology, it can avoid the problem that the receiving device fails to locate the frame according to the fixed cycle due to the unfixed frame length in the related technology. . In addition, the check field does not need to be used to check all contents, which can avoid the problem that the receiving device must check all contents due to the unfixed frame length in related technologies, which helps to improve the check accuracy.
  • the sending device can increase or decrease the value of N according to the size of the OAM information. Since each data frame contains a field indicating the value of N, it can notify the optical module of the receiving device to realize the difference between the receiving and sending devices. Equivalence between N values.
  • the sending device can send a service signal to the receiving device. Therefore, the OAM frame can be sent to the receiving device through the service signal.
  • the sending the OAM frame includes:
  • the optical module of the transmitting device reads the voltage, temperature, bias current and other OAM information through the internal probe and stores it in the data storage unit, and encapsulates the OAM information stored in the data storage unit to form an OAM frame.
  • the top adjustment mode modulates the OAM frame on the subcarrier signal corresponding to the service signal to be output, and transmits it to the receiving device together with the service signal.
  • the mode of top adjustment refers to the use of the service signal as the carrier signal, and the OAM frame is modulated to the peak-to-peak value of the carrier signal;
  • the sub-carrier means that the service signal is used for modulation multiple times, and the first time the service signal is used for modulation It is called a subcarrier signal.
  • the sending device can send OAM frames to other receiving devices, and can also receive OAM frames sent by other devices.
  • the optical module in the fronthaul management and control system will collect relevant information of the port, including port information, alarm information, such as voltage, current, power, LOS, etc.; the optical module encapsulates this information into OpenWDM OAM Message, and sends it to the optical path through modulation ;
  • the link coding process of OAM is:
  • module ID calculate the check code and fill in the OAM message frame format
  • the link decoding process of OAM is:
  • module ID According to the valid message content, module ID, message type, message ID, message length and message content, calculate the check code, and perform matching check with the check code in the frame;
  • the verification is sent to the OAM protocol layer for protocol processing.
  • N data frames with a fixed frame length are used to encapsulate the OAM information to obtain the OAM frame, and then the OAM frame is sent out.
  • the receiving device can follow the OAM frame
  • the fields in each data frame that characterize the sequence of the N data frames in each data frame perform accurate frame positioning, so as to obtain complete OAM information.
  • an embodiment of the present application also provides an information transmission method. As shown in FIG. 6, the method includes:
  • Step 601 Receive an OAM frame
  • the OAM frame is formed by encapsulating the OAM information in the optical network; the OAM frame includes N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the OAM The change in the amount of information remains unchanged.
  • the optical network may include a transmitting device and a receiving device.
  • the transmitting device may be called a remote device, specifically it may be an outdoor passive device, such as an antenna device; the receiving device may be called a local device, which may specifically be an indoor active device.
  • Equipment for example, active equipment of indoor base stations.
  • Both the sending device and the receiving device can be provided with an optical module, and the sending device can obtain OAM information in the optical network through its own optical module.
  • the information transmission method receives OAM frames; wherein, the OAM frames are formed by encapsulating OAM information in an optical network; the OAM frames include N data frames with a frame length of L; N changes with the size of the OAM information, and L remains unchanged with the change of the OAM information; it can support the realization of the transmission of OAM information using variable and fixed-length frames, which is beneficial to the encoding and decoding of messages, It is easy to process and time-consuming, and it is also beneficial to expand based on message content and ensure scalability; it solves the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • the data frame includes: a variable first field, used to carry variable OAM information; a second field, used to indicate the value of N or the length of OAM information; the third field, used to carry check Code; a variable fourth field, used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • the receiving device can use the frame positioning function to parse the OAM frame, thereby obtaining complete OAM information.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames, and the method further includes:
  • the OAM frame is subjected to frame positioning and identification, and the OAM information contained in each data frame is obtained.
  • the receiving device identifies each data frame in the OAM frame through frame positioning, obtains the OAM information contained in each data frame, and uses the obtained OAM information to obtain real-time operating status information of the optical module of the transmitting device.
  • the sending device can store the acquired operating status information of the optical module of the sending device in the local resource management system, and use the resource management system to record the long-term operating data of the optical module of the sending device, such as voltage, temperature, and bias current, and analyze it.
  • the operating trend of the optical module of the transmitting device for the operation and maintenance personnel to manage and predict the life of the optical module of the transmitting device, or for the operation and maintenance personnel to quickly locate the fault location in the module or on the line, and it is the local optical module It is still in the optical module of the sending device, and the system's fault repair time is reduced by quickly locating the fault.
  • the receiving device can realize frame positioning through the synchronization circuit.
  • the positioning frame signal generated by the synchronization circuit and the received OAM frame signal are accurately in phase, and the frame positioning signal in the received OAM frame signal is captured by the synchronization circuit.
  • the realization of the capture process is related to factors such as the frame length, the frame positioning code pattern, and the verification method of confirming the frame positioning signal.
  • Step 701 Receive an OAM frame.
  • Step 702 Use the field that characterizes the sequence of the N data frames included in each of the N data frames to perform frame positioning and identification on the OAM frame, to obtain OAM information contained in each data frame.
  • the OAM frame is identified for frame positioning, if the value of the field representing the sequence of N data frames contained in the next frame is not equal to the value of N, then continue to read the next frame; if the next needle contains If the value of the field representing the sequence of N data frames is equal to the value of N, the reading of the next frame ends.
  • identifying OAM frames through frame positioning has the following advantages:
  • the frame positioning cycle of the OAM frame by the receiving device is fixed. In this way, Ensure accurate positioning of each data frame, thereby obtaining complete OAM information.
  • the receiving device when the size of the OAM information changes, receives the OAM frame sent by the sending device, and performs accurate calculations according to the fields that each data frame in the OAM frame contains and characterize the sequence of the N data frames. Frame positioning to obtain complete OAM information.
  • An embodiment of the present application also provides an information transmission device, which is applied to a sending device. As shown in FIG. 8, the device includes:
  • the first obtaining module 81 is configured to obtain OAM information in the optical network
  • the first processing module 82 is configured to encapsulate the acquired OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; N changes with the amount of OAM information, and L changes with The change of OAM information volume remains unchanged;
  • the first sending module 83 is configured to send the OAM frame.
  • the information transmission device obtains OAM information in the optical network; encapsulates the obtained OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; N follows The amount of OAM information changes, and L remains the same as the amount of OAM information changes; the OAM frame is sent out; the variable fixed length frame can be used to transmit OAM information, which is beneficial to the message Encoding and decoding are easy to process, reduce time-consuming, and are beneficial to expand based on message content and ensure scalability; it solves the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • the data frame includes: a variable first field, used to carry variable OAM information; a second field, used to indicate the value of N or the length of OAM information; the third field, used to carry check Code; a variable fourth field, used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • the device further includes: a first determining module, configured to determine the amount of information corresponding to the OAM information when N is 1, before encapsulating the acquired OAM information; and a second processing module, using To fill OAM information into the first field.
  • a first determining module configured to determine the amount of information corresponding to the OAM information when N is 1, before encapsulating the acquired OAM information
  • a second processing module using To fill OAM information into the first field.
  • the device further includes: a second determining module, configured to determine the amount of information corresponding to the OAM information when N is a positive integer greater than 1, before encapsulating the acquired OAM information; A judging module is used to judge whether the size of the information amount is greater than or equal to a preset threshold; the third determining module is used to determine the value of N when it is determined that the size of the information amount is greater than or equal to the preset threshold.
  • the determining the value of N includes: determining a numerical range matching the size of the OAM information; determining the maximum value of the numerical range; calculating the ratio of the maximum value to the frame length L; Use the calculated ratio as the value of N.
  • the first processing module 82 is specifically configured to: use the acquired OAM information to form the first field of each of the N data frames; use the value of N to form each of the N data frames The second field of the data frame; N data frames are used to form an OAM frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames.
  • the sending the OAM frame includes: using a service signal as a carrier signal; using the carrier signal to modulate the signal corresponding to the OAM frame to obtain a modulated signal;
  • the processed signal is sent out.
  • the first acquisition module element 81 can be implemented by a communication interface in an information transmission device; the first processing module 82 and the first sending module 83 can be implemented by a processor in the information transmission device in combination with a communication interface.
  • An embodiment of the present application also provides an information transmission device, which is applied to a receiving device. As shown in FIG. 9, the device includes:
  • the first receiving module 91 is configured to receive OAM frames
  • the OAM frame is formed by encapsulating the OAM information in the optical network; the OAM frame includes N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the OAM The change in the amount of information remains unchanged.
  • the information transmission device receives OAM frames; wherein, the OAM frames are formed by encapsulating OAM information in an optical network; the OAM frames include N data frames with a frame length of L; N changes with the size of the OAM information, and L remains unchanged with the change of the OAM information; it can support the realization of the transmission of OAM information using variable and fixed-length frames, which is beneficial to the encoding and decoding of messages, It is easy to process and time-consuming, and it is also beneficial to expand based on message content and ensure scalability; it solves the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • the data frame includes: a variable first field, used to carry variable OAM information; a second field, used to indicate the value of N or the length of OAM information; the third field, used to carry check Code; a variable fourth field, used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames
  • the device further includes: a third processing module for Using the field that characterizes the sequence of the N data frames contained in each of the N data frames, the OAM frame is subjected to frame positioning and identification, and the OAM information contained in each data frame is obtained.
  • the first receiving module element 91 can be implemented by a communication interface in an information transmission device; the third processing module can be implemented by a processor in the information transmission device in combination with a communication interface.
  • the information transmission device provided in the above embodiment performs information transmission
  • only the division of the above-mentioned program modules is used as an example for illustration.
  • the above-mentioned processing can be allocated by different program modules as needed. That is, the internal structure of the device is divided into different program modules to complete all or part of the processing described above.
  • the information transmission device and the information transmission method embodiments provided in the above embodiments belong to the same concept. For the specific implementation process, please refer to the method embodiments, which will not be repeated here.
  • the embodiment of the present application provides an information transmission system, as shown in FIG. 10, which includes:
  • the sending device 101 is used to obtain OAM information in the optical network; encapsulate the obtained OAM information to form an OAM frame; and send the OAM frame.
  • the OAM frame includes N data frames with a frame length of L; N changes with the change in the amount of OAM information, and L remains unchanged with the change in the amount of OAM information.
  • the receiving device 102 is configured to receive OAM frames.
  • An embodiment of the present application also provides a communication device.
  • the communication device is a sending device.
  • the communication device includes: a processor 111 and a transceiver 112;
  • the processor 111 is configured to obtain OAM information in an optical network; encapsulate the obtained OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; N increases with the amount of OAM information Changes with the change of OAM, and L remains unchanged with the change of OAM information volume;
  • the OAM frame is sent out through the transceiver 112.
  • the communication device obtains OAM information in the optical network; encapsulates the obtained OAM information to form an OAM frame; the OAM frame includes N data frames with a frame length of L; N follows OAM The amount of information changes, and L remains the same as the amount of OAM information changes; the OAM frame is sent out; it can be realized that the OAM information is transmitted in a variable and fixed length frame, which is beneficial to the compilation of the message.
  • Decoding is convenient for processing, reducing time-consuming, and it is beneficial to expand based on message content and ensure scalability; it solves the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • the data frame includes: a variable first field, used to carry variable OAM information; a second field, used to indicate the value of N or the length of OAM information; the third field, used to carry check Code; a variable fourth field, used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • the processor is further configured to: when N is 1, before the encapsulation of the acquired OAM information, determine the size of the information corresponding to the OAM information; and fill the OAM information into the first field .
  • the processor is further configured to: when N is a positive integer greater than 1, before encapsulating the obtained OAM information, determine the size of the information corresponding to the OAM information; and determine the size of the information Whether it is greater than or equal to a preset threshold; when it is determined that the amount of information is greater than or equal to the preset threshold, the value of N is determined.
  • the processor is specifically configured to: determine a numerical range matching the size of the OAM information; determine the maximum value of the numerical range; calculate the ratio of the maximum value to the frame length L; and calculate The obtained ratio is used as the value of N.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames.
  • the processor is specifically configured to: use a service signal as a carrier signal; use the carrier signal to modulate the signal corresponding to the OAM frame to obtain a modulated signal; The signal after the modulation processing is sent out.
  • An embodiment of the present application also provides a communication device.
  • the communication device is a receiving device.
  • the communication device includes: a processor 121 and a transceiver 122;
  • the processor 121 is configured to receive OAM frames through the transceiver 122;
  • the OAM frame is formed by encapsulating the OAM information in the optical network; the OAM frame includes N data frames with a frame length of L; N changes with the size of the OAM information, and L changes with the OAM The change in the amount of information remains unchanged.
  • the communication device receives OAM frames; wherein, the OAM frames are formed by encapsulating OAM information in an optical network; the OAM frames include N data frames with a frame length of L; N Changes with the size of the OAM information, and L remains unchanged with the size of the OAM information; it can support the realization of the transmission of OAM information using variable and fixed-length frames, which is beneficial to the encoding and decoding of the message and convenient Processing and reducing time-consuming, but also conducive to expansion based on message content, to ensure scalability; it is a good solution to the problems of complicated processing, long time-consuming, and poor scalability in the OAM information transmission scheme in the prior art.
  • the data frame includes: a variable first field, used to carry variable OAM information; a second field, used to indicate the value of N or the length of OAM information; the third field, used to carry check Code; a variable fourth field, used to fill the idle part of the data frame.
  • the check code carried in the third field is used to check the content associated with the OAM information in the data frame.
  • each of the N data frames includes a field that characterizes the sequence of the N data frames
  • the processor is further configured to: use N data frames
  • Each data frame includes a field that characterizes the sequence of the N data frames
  • the OAM frame is identified by frame positioning to obtain the OAM information contained in each data frame.
  • the implementation embodiments of the information transmission method on the receiving device side described above are all applicable to the embodiments of the communication device, and correspondingly the same technical effects can also be achieved.
  • the embodiment of the present application also provides a communication device, including a memory, a processor, and a program stored on the memory and capable of running on the processor; the processor executes the program to implement the above-mentioned sending device side Or, when the processor executes the program, the above-mentioned information transmission method on the receiving device side is implemented.
  • a communication device including a memory, a processor, and a program stored on the memory and capable of running on the processor; the processor executes the program to implement the above-mentioned sending device side Or, when the processor executes the program, the above-mentioned information transmission method on the receiving device side is implemented.
  • the foregoing implementation embodiments of the information transmission method on the sending device side or the receiving device side are all applicable to the embodiments of the communication device, and the corresponding corresponding technical effects can also be achieved.
  • the embodiment of the present application also provides a readable storage medium on which a program is stored, and when the program is executed by a processor, the steps in the information transmission method on the sending device side are realized; or, when the program is executed by the processor, The steps in the information transmission method on the receiving device side described above.
  • the foregoing implementation embodiments of the information transmission method on the sending device side or the receiving device side are all applicable to the embodiment of the readable storage medium, and the corresponding corresponding technical effects can also be achieved.
  • the readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM.
  • the modules may be implemented by software so as to be executed by various types of processors.
  • an identified executable code module may include one or more physical or logical blocks of computer instructions, for example, it may be constructed as an object, process, or function. Nevertheless, the executable code of the identified module does not need to be physically located together, but can include different instructions stored in different bits. When these instructions are logically combined together, they constitute a module and implement the requirements of the module. Purpose.
  • the executable code module can be a single instruction or many instructions, and can even be distributed on multiple different code segments, distributed in different programs, and distributed across multiple memory devices.
  • operating data can be identified within the module, and can be implemented in any suitable form and organized in any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed in different locations (including on different storage devices), and at least partly may only exist as an electronic signal on a system or a network.
  • the module can be realized by software, considering the level of existing hardware technology, the module can be realized by software. Without considering the cost, those skilled in the art can build the corresponding hardware circuit to realize the corresponding function.
  • the hardware circuits include conventional very large-scale integrated (VLSI) circuits or gate arrays and existing semiconductors such as logic chips, transistors, or other discrete components.
  • Modules can also be implemented with programmable hardware devices, such as field programmable gate arrays, programmable array logic, programmable logic devices, etc.

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Abstract

本申请公开了一种信息传输方法、装置、通信设备及可读存储介质。其中，所述方法包括：获取光网络中的操作维护管理OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；将所述OAM帧发出。本方案能够实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。

Description

信息传输方法、装置、通信设备及可读存储介质
相关申请的交叉引用
本申请基于申请号为202010366510.6、申请日为2020年04月30日以及申请号为202011243284.9、申请日为2020年11月09日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以全文引入的方式引入本申请。
技术领域
本申请涉及无线通信技术领域，尤其涉及一种信息传输方法、装置、通信设备及可读存储介质。
背景技术
在通信系统中，各类数据帧的长度不同，不同数据帧之间的长度更是千差万别，所以通讯协议中，尤其是在互联互通场景下，帧长的定义对于实现互联互通是有重要的现实意义。
目前操作维护管理(OAM，Operation Administration and Maintenance)信息，主要通过成帧方式形成OAM帧，成帧后通过收端的帧定位功能识别并解析。具体的，现有OAM成帧方式主要有两种：
1、OAM变长帧：根据承载消息内容的灵活扩展长度，OAM变长帧格式灵活，但是帧定位处理较为复杂，定帧时间长；
2、OAM定长帧：定帧时间短，但是消息内容定长，扩展性能差，当消息内容较多时一个帧无法承载。
由上可知，目前的OAM信息传输方案存在处理复杂、耗时长、扩展性差等问题。
发明内容
本申请的目的在于提供一种信息传输方法、装置、通信设备及可读存储介质，以解决现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
为了解决上述技术问题，本申请实施例提供一种信息传输方法，应用于发送设备，所述方法包括：
获取光网络中的OAM信息；
对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
将所述OAM帧发出。
可选的，所述数据帧中包括：
可变的第一字段，用于承载可变的OAM信息；
第二字段，用于表示N的取值或OAM信息长度；
第三字段，用于承载校验码；
可变的第四字段，用于对所述数据帧的空闲部分进行填充。
可选的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
可选的，当N为1时，所述对获取的OAM信息进行封装之前，所述方法还包括：
确定所述OAM信息对应的信息量大小；
将OAM信息填充到所述第一字段中。
可选的，当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，所述方法还包括：
确定所述OAM信息对应的信息量大小；
判断所述信息量大小是否大于或等于预设阈值；
当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
可选的，所述确定N的取值，包括：
确定与所述OAM信息量大小匹配的数值范围；
确定所述数值范围的最大值；
计算所述最大值与帧长L的比值；
将计算得到的比值作为N的取值。
可选的，所述对获取的OAM信息进行封装，形成OAM帧，包括：
利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；
利用N的取值，形成N个数据帧中每个数据帧的第二字段；
利用N个数据帧形成OAM帧。
可选的，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
可选的，所述将所述OAM帧发出，包括：
将业务信号作为载波信号；
利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；
将所述调制处理后的信号发出。
本申请实施例还提供了一种信息传输方法，应用于接收设备，所述方法包括：
接收OAM帧；
其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
可选的，所述数据帧中包括：
可变的第一字段，用于承载可变的OAM信息；
第二字段，用于表示N的取值或OAM信息长度；
第三字段，用于承载校验码；
可变的第四字段，用于对所述数据帧的空闲部分进行填充。
可选的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
可选的，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述方法还包括：
利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
本申请实施例还提供了一种信息传输装置，应用于发送设备，所述装置包括：
第一获取模块，用于获取光网络中的OAM信息；
第一处理模块，用于对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
第一发送模块，用于将所述OAM帧发出。
可选的，所述数据帧中包括：
可变的第一字段，用于承载可变的OAM信息；
第二字段，用于表示N的取值或OAM信息长度；
第三字段，用于承载校验码；
可变的第四字段，用于对所述数据帧的空闲部分进行填充。
可选的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
可选的，所述装置还包括：
第一确定模块，用于当N为1时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；
第二处理模块，用于将OAM信息填充到所述第一字段中。
可选的，所述装置还包括：
第二确定模块，用于当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；
第一判断模块，用于判断所述信息量大小是否大于或等于预设阈值；
第三确定模块，用于当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
可选的，所述确定N的取值，包括：
确定与所述OAM信息量大小匹配的数值范围；
确定所述数值范围的最大值；
计算所述最大值与帧长L的比值；
将计算得到的比值作为N的取值。
可选的，所述第一处理模块，具体用于利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；利用N的取值，形成N个数据帧中每 个数据帧的第二字段；利用N个数据帧形成OAM帧。
可选的，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
可选的，所述将所述OAM帧发出，包括：
将业务信号作为载波信号；
利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；
将所述调制处理后的信号发出。
本申请实施例还提供了一种信息传输装置，应用于接收设备，所述装置包括：
第一接收模块，用于接收OAM帧；
其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
可选的，所述数据帧中包括：
可变的第一字段，用于承载可变的OAM信息；
第二字段，用于表示N的取值或OAM信息长度；
第三字段，用于承载校验码；
可变的第四字段，用于对所述数据帧的空闲部分进行填充。
可选的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
可选的，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述装置还包括：
第三处理模块，用于利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
本申请实施例还提供了一种通信设备，所述通信设备为发送设备，所述通信设备包括：处理器和收发机；
所述处理器，用于获取光网络中的OAM信息；对获取的OAM信息进 行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
通过所述收发机将所述OAM帧发出。
可选的，所述数据帧中包括：
可变的第一字段，用于承载可变的OAM信息；
第二字段，用于表示N的取值或OAM信息长度；
第三字段，用于承载校验码；
可变的第四字段，用于对所述数据帧的空闲部分进行填充。
可选的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
可选的，所述处理器还用于：
当N为1时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；
将OAM信息填充到所述第一字段中。
可选的，所述处理器还用于：
当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；
判断所述信息量大小是否大于或等于预设阈值；
当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
可选的，所述处理器具体用于：
确定与所述OAM信息量大小匹配的数值范围；
确定所述数值范围的最大值；
计算所述最大值与帧长L的比值；
将计算得到的比值作为N的取值。
可选的，所述处理器具体用于：
利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；利用N的取值，形成N个数据帧中每个数据帧的第二字段；利用N个数据帧形成OAM帧。
可选的，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
可选的，所述处理器具体用于：
将业务信号作为载波信号；
利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；
通过所述收发机将所述调制处理后的信号发出。
本申请实施例还提供了一种通信设备，所述通信设备为接收设备，所述通信设备包括：处理器和收发机；
所述处理器，用于通过所述收发机接收OAM帧；
其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
可选的，所述数据帧中包括：
可变的第一字段，用于承载可变的OAM信息；
第二字段，用于表示N的取值或OAM信息长度；
第三字段，用于承载校验码；
可变的第四字段，用于对所述数据帧的空闲部分进行填充。
可选的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
可选的，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述处理器还用于：
利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
本申请实施例还提供了一种通信设备，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序；所述处理器执行所述程序时实现上述发送设备侧的信息传输方法；或者，
所述处理器执行所述程序时实现上述接收设备侧的信息传输方法。
本申请实施例还提供了一种可读存储介质，其上存储有程序，该程序 被处理器执行时实现上述发送设备侧的信息传输方法中的步骤；或者，
该程序被处理器执行时实现上述接收设备侧的信息传输方法中的步骤。
本申请的上述技术方案的有益效果如下：
上述方案中，所述信息传输方法通过获取光网络中的操作维护管理OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；将所述OAM帧发出；能够实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
附图说明
图1是相关技术中光网络架构的示意图；
图2是本申请实施例中信息传输方法的实现流程示意图一；
图3是本申请实施例中对OAM信息进行封装形成OAM帧的实现流程示意图一；
图4是本申请实施例中确定N的取值的实现流程示意图；
图5是本申请实施例中对OAM信息进行封装形成OAM帧的实现流程示意图二；
图6是本申请实施例中信息传输方法的实现流程示意图二；
图7是本申请实施例中解析OAM帧的实现流程示意图；
图8是本申请实施例中信息传输装置的组成结构示意图一；
图9是本申请实施例中信息传输装置的组成结构示意图二；
图10是本申请实施例中信息传输系统的组成结构示意图；
图11为本申请实施例中通信设备的组成结构示意图一；
图12为本申请实施例中通信设备的组成结构示意图二。
具体实施方式
为使本申请要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
在对本申请实施例的技术方案进行介绍之前，先对相关技术进行说明。
图1是相关技术中光网络架构的示意图，如图1所示，光网络架构包括发送设备和接收设备，发送设备和接收设备中均设置有光模块，发送设备的光模块和接收设备的光模块能够共同实现OAM功能。OAM功能包括：操作(Operation)、管理(Administration)、维护(Maintenance)三个功能。操作功能，用于完成日常网络和业务进行的分析、预测、规划和配置工作；管理功能，用于对网络的资源、性能、告警、安全和业务进行监管；维护功能，用于对网络及其业务的测试和故障管理等进行的日常操作活动。发送设备的光模块和接收设备的光模块，可以通过以下方式实现OAM功能：对网络的性能进行监控并产生维护信息，根据维护信息评估网络的稳定性；通过定期查询的方式检测网络故障，产生各种维护和告警信息；通过调度或者切换到其它的实体，旁路失效实体，保证网络的正常运行；将故障信息传递给管理实体。
相关技术中，发送设备可以向接收设备发送OAM信息，以供接收设备对光网络的资源、性能、告警、安全和业务进行监控等等。通常，接收设备可以通过帧定位功能获取发送设备发送的OAM信息，实际应用时，当OAM信息发生变化时，接收设备通过帧定位功能可能无法接收到该OAM信息，导致接收设备无法获取完整的OAM信息。
相关技术中，发送设备将OAM信息封装成OAM帧，并将OAM帧发送给接收设备，以供接收设备通过帧定位功能对OAM帧进行解析。发送设备可以采用以下方式之一将OAM信息封装成OAM帧：将OAM信息封装为OAM变长帧；将OAM信息封装为OAM定长帧。上述两种成帧方式，存在的缺陷是：第一，将OAM信息封装为OAM变成帧，即根据承载的消息内容灵活扩展帧长度，虽然OAM变长帧的格式灵活，但是接收设备对OAM变长帧进行帧定位处理的过程较为复杂，定帧时间较长。第二，将 OAM信息封装为OAM定长帧，虽然接收设备对OAM定长帧进行帧定位处理的时间较短，但是消息内容定长，扩展性能差，无法承载更多的消息内容。
基于以上，本申请针对现有的OAM信息传输方案存在处理复杂、耗时长、扩展性差问题，提供一种信息传输方法，应用于发送设备，如图2所示，所述方法包括：
步骤201：获取光网络中的OAM信息；
步骤202：对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
步骤203：将所述OAM帧发出。
这里，在步骤201中，光网络可以包括发送设备和接收设备，发送设备可以称为远端设备，具体可以为室外的无源设备，例如，天线设备；接收设备可以称为本地设备，具体可以为室内的有源设备，例如，室内基站。发送设备和接收设备中均可以设置有光模块，发送设备可以通过自身的光模块获取光网络中的OAM信息。
这里，在步骤202中，在光网络运行初期，发送设备中的光模块运行稳定，产生的OAM信息较少，因此N的取值较小；随着运行周期变长，外界环境的变化，以及器件逐渐老化，产生的OAM信息增多，因此N的取值较大。
这里，在步骤203中，发送设备可以将OAM帧发送给光网络中的接收设备，接收设备利用帧定位功能，对接收的OAM帧进行解析，从而得到完整的OAM信息。
本申请实施例提供的所述信息传输方法通过获取光网络中的OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；将所述OAM帧发出；能够实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现 有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
实际应用时，当发送设备的光模块获取的OAM信息较少时，可以使用单个数据帧承载OAM信息，也即N＝1。当N＝1时，一种可选的可变定长帧的格式可以参见表1。
Figure PCTCN2021088470-appb-000001
表1
具体帧内容定义为：
1、帧头标志：0x7E7E7E7E，标识帧开始；
2、帧尾标志：0x7E，标识帧结束；
3、模块ID：0x1～0x18，标识帧对应的管理通道；
4、帧长度为OAM信息长度，也即填充OAM信息的消息内容的字段长度，消息内容字段的长度可根据OAM信息的变化而变化，占用X bytes。
5、校验码用于校验每帧的模块ID、消息类型、消息ID、消息长度和消息内容，也即校验定长帧中除了填充字段以外的信息。
6、对于每帧内的空闲字节采用预定义的填充码(也即填充字段)，长度为Y bytes。不难理解的是，由于消息内容字段根据OAM信息的长度可变，而整个数据帧的长度不变，因此填充字段其实是用于补齐OAM信息，从而保证整个数据帧的长度，也即填充字段也是可变的。由于该字段只为了填充，因此在校验时不进行校验。
当发送设备的光模块获取的OAM信息较多时，为了保证接收设备能够获取完整的OAM信息，需要确定用于承载OAM信息的数据帧的个数。此外当N为多个的时候，N个数据帧中每个数据帧均可以包含表征N个数据帧的顺序的字段。体现顺序的字段可以。
基于此，在一实施例中，所述对获取的OAM信息进行封装之前，所述 方法还包括：
确定所述OAM信息对应的信息量大小；
判断所述信息量大小是否大于或等于预设阈值；
当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
其中，当所述OAM信息的信息量大小小于预设阈值时，使用单个数据帧承载OAM信息；当所述OAM信息的信息量大小大于或等于预设阈值时，使用N个帧长为L的数据帧承载OAM信息。
表2是OAM信息包含的内容，如表2所示，OAM信息包括版本信息、厂家信息、光模块信息、告警信息、数字诊断功能信息、调顶参数、半导体制冷参数、环回和扩展信息等。随着发送设备运行周期变长，外界环境的变化，以及器件逐渐老化，产生的异常信息如告警信息增多，导致OAM信息增多。
Figure PCTCN2021088470-appb-000002
表2
在一示例中，如图3所示，描述对OAM信息进行封装形成OAM帧的过程，包括：
步骤301：确定获取的OAM信息对应的信息量大小；
步骤302：判断所述信息量大小是否大于或等于预设阈值，当确定所述信息量大小大于或等于预设阈值时，执行步骤303。
其中，实际应用时，数据帧中除了承载OAM信息外，还可以承载其他信息，因此，假设单个数据帧的帧长L等于64个字节，该数据帧需要承载10个字节的其他信息，则可以将预设阈值设置为64-10＝54。
步骤303：对获取的OAM信息进行封装，形成OAM帧。
所述OAM帧包含N个帧长为L的数据帧；N和L均为大于1的正整数；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
这里，当所述信息量大小小于预设阈值时，使用帧长为L的单个数据帧承载OAM信息。
这里，当OAM信息的信息量大小大于或等于预设阈值时，使用N个帧长为L的数据帧承载OAM信息，具备以下优点：
能够根据OAM信息的信息量大小确定OAM帧的总帧长；具体地，当OAM信息的信息量大小小于预设阈值时，利用单个数据帧承载OAM信息，当OAM信息的信息量大小大于或等于预设阈值时，使用N个帧长为L的数据帧承载OAM信息。OAM信息的信息量大小不同，则OAM帧的总长度不同，尤其是在互联互通场景下，根据OAM信息的信息量大小确定OAM帧的总帧长，对于实现互联互通是有重要的现实意义。
实际应用时，当OAM信息的信息量大小大于或等于预设阈值时，使用N个帧长为L的数据帧承载OAM信息；其中，N的取值可以根据OAM信息的信息量大小确定。
基于此，在一实施例中，所述确定N的取值，包括：
确定与所述OAM信息量大小匹配的数值范围；
确定所述数值范围的最大值；
计算所述最大值与帧长L的比值；
将计算得到的比值作为N的取值。
在一示例中，如图4所示，描述确定N的取值的过程，包括：
步骤401：确定与所述OAM信息量大小匹配的数值范围；确定所述数值范围的最大值；
实际应用时，数据帧中除了承载OAM信息外，还可以承载其他信息，因此，假设单个数据帧需要承载10个字节的其他信息，则所述OAM信息的信息量大小匹配的数值范围可以为(0，M]，M为正整数。
步骤402：计算所述最大值与帧长L的比值；
假设M等于108，单个帧的帧长L等于64，则M/L＝108/64＝1.68。
步骤403：将计算得到的比值作为N的取值。
这里，若计算得到的比值不是整数，则将比值的整数部分加1的结果作为N的取值。假设比值等于1.68，则N的取值等于2。
这里，根据OAM信息的信息量大小确定N的取值，具备以下优点：
N值是不固定的，当承载的OAM信息量较大时使用较大的N值，当承载的OAM信息量较小时使用较小的N值，可以保证OAM帧能够承载更多的OAM信息。另外，针对不同厂家提供的发送设备，当承载必需的OAM信息时可以使用相同的N值对OAM信息进行封装，便于不同厂家的发送设备之间能够实现互联互通；当除了承载必须的OAM信息还需承载其他与厂家相关的私有信息时，可以增大N值对OAM信息进行封装，既满足不同厂家传输信息的需要，也不影响不同厂家的发送设备之间实现互联互通。
实际应用时，当OAM信息的信息量大小大于或等于预设阈值时，使用N个帧长为L的数据帧封装OAM信息，形成OAM帧。
基于此，在一实施例中，所述对获取的OAM信息进行封装，形成OAM帧，包括：
利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；
利用N的取值，形成N个数据帧中每个数据帧的第二字段；
利用N个数据帧形成OAM。
其中，第一字段的作用为承载发生变化的OAM信息，因此第一字段也是可变的。第二字段的作用为将N的取值通知给接收设备，以供接收设备对接收的OAM帧进行准确的帧定位，从而获取到完整的OAM信息。
这里，利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段，即消息内容字段，利用N的取值，形成N个数据帧中每个数据帧的第二字段，即N的取值字段。实际应用时，第二字段也可以是OAM帧的总帧长，即N×L的取值字段。
实际应用时，OAM帧中除了包含承载的OAM信息、N的取值外，还需要承载其他信息，例如，校验码字段等。
基于此，在一实施例中，N个数据帧中每个数据帧还包含第三字段；其中，所述第三字段表征对每个数据帧中与OAM信息相关联的内容进行校验。
这里，第三字段可以为校验码字段；N个数据帧中每个数据帧包含的校验码字段无需对填充字段进行校验，对OAM信息相关联的内容进行校验，能够减少校验的内容，从而提高校验效率。
这里，确定N个数据帧每个数据帧包含的填充字段的过程，可以包括以下两种情况：
第一种情况，在N个数据帧中排序最后的数据帧的填充字段进行填充。
假设N等于2，L等于64，每个数据帧中用于承载除OAM信息外的其他信息所占用的字节数为10，OAM信息的信息量大小为100个字节，则第一数据帧中填充字段占用0个字节，第一数据帧中消息内容字段占用64-10＝54个字节，第二个数据帧中消息内容字段占用100-54＝46个字节，第二数据帧中填充字段占用64-10-46＝8个字节。
第二种情况，在N个数据帧中每个数据帧的填充字段进行填充。
假设N等于2，L等于64，每个数据帧中用于承载除OAM信息外的其他信息所占用的字节数为10，OAM信息的信息量大小为100个字节，则第一数据帧中消息内容字段占用100/2＝50个字节，第一数据帧中填充字段占用64-10-50＝4个字节，第二个数据帧中消息内容字段占用100/2＝50个字节，第二数据帧中填充字段占用64-10-50＝4个字节。
可以看出填充字段也是可变的。
在一示例中，如图5所示，描述对OAM信息进行封装形成OAM帧的过程，包括：
步骤501：当OAM信息的信息量大小大于或等于预设阈值时，确定N的取值；
步骤502：利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；利用N的取值，形成N个数据帧中每个数据帧的第二字段。
假设N等于2，L等于64个字节。表3是2个帧长为L的数据帧的结构，如表3所示，两个数据帧均包含以下字段：帧头标志、模块ID、消息类型、消息ID、N的取值、校验码、消息内容、填充、帧尾标志。其中，第一字段，即消息内容字段表征OAM信息的信息量大小；第二字段，即N的取值字段是根据OAM信息的信息量大小确定的；帧头标志字段表征N个数据帧的顺序，例如，第一个数据帧的帧头标志为1，占用4个字节，第二个数据帧的帧头标志为2，占用4个字节；校验字段，用于对除填充字段外的其他字段如帧头标志、模块ID、消息类型进行校验，无需对全部字段进行校验。
Figure PCTCN2021088470-appb-000003
表3
步骤503：利用N个数据帧形成OAM帧。
其中，N个数据帧可以按照N个数据帧的顺序进行帧组合，得到OAM帧。
这里，OAM帧由N个帧长为L的数据帧组成，N个数据帧的帧结构具备以下优点：
N个数据帧的每个数据帧的帧长固定，且每个数据帧均包含用于指示N 个数据帧的顺序的字段、指示N的取值的字段，如此，能够方便接收设备根据这两个字段准确进行帧定位，与相关技术中通过更改帧长来承载更多的OAM信息的方式相比，能够避免相关技术中由于帧长不固定导致接收设备按照固定周期进行帧定位失败问题的发生。另外，校验字段无需用于对全部内容进行校验，能够避免相关技术中由于帧长不固定导致接收设备必须对全部内容进行校验问题的发生，有助于提高校验准确率。实际应用时，发送设备能够根据OAM信息的信息量大小实现N值的增大或者递减，由于每个数据帧均包含指示N的取值的字段，因此能够通知接收设备的光模块实现收发设备之间N值的对等。
实际应用时，通常，发送设备可以向接收设备发送业务信号，因此，可以通过业务信号将OAM帧发送给接收设备。
基于此，在一实施例中，所述将所述OAM帧发出，包括：
将业务信号作为载波信号；
利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；
将所述调制处理后的信号发出。
这里，实际应用时，发送设备的光模块通过内部探针读取电压、温度、偏置电流等OAM信息存储在数据存储单元中，对存储在数据存储单元的OAM信息进行封装形成OAM帧，通过调顶方式将OAM帧调制在待输出的业务信号对应的副载波信号上，与业务信号一起传输给接收设备。其中，调顶方式是指将业务信号作载波信号，将OAM帧调制到载波信号的峰峰值处；副载波是指业务信号被多次用于进行调制，将第一次用于调制的业务信号称为副载波信号。
本实施例中，发送设备可以将OAM帧发出给其他接收设备，也可以接收其他设备发送的OAM帧。
在前传管控系统中的光模块将收集本端口相关信息，包括端口信息，告警信息，如电压、电流、功率、LOS等；光模块将这些信息封装到OpenWDM OAM Message中，通过调制发送到光路上；
OAM的链路编码过程为：
1、根据消息类型，进行链路层消息编码，得到消息ID，消息类型，消息长度和消息内容；
2、将消息编码填入OAM链路层消息帧格式；
3、在链路层帧格式的空闲位置填充空闲内容；
4、根据有效消息内容，模块ID、消息类型、消息ID、消息长度和消息内容，计算校验码，填入OAM消息帧格式；
5、封装消息帧头和帧尾，形成完成64字节的定长报文，发送到物理层传输；
OAM的链路解码过程为：
1、物理层解析得到链路层帧数据；
2、根据帧头和帧尾进行定帧，取64字节定长帧；
3、根据帧格式定义，得到模块ID、消息类型、消息ID、消息长度和消息内容；
4、根据有效消息内容，模块ID、消息类型、消息ID、消息长度和消息内容，计算校验码，和帧中的校验码进行匹配校验；
5、校验通过发送到OAM协议层进行协议处理。
采用本申请实施例的技术方案，当OAM信息量大小发生变化时，利用N个固定帧长的数据帧对OAM信息进行封装，得到OAM帧，将OAM帧发出，如此，接收设备能够根据OAM帧中每个数据帧包含的表征N个数据帧的顺序的字段进行准确的帧定位，从而获取完整的OAM信息。
对应地，本申请实施例还提供一种信息传输方法，如图6所示，所述方法包括：
步骤601：接收OAM帧；
其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
这里，光网络可以包括发送设备和接收设备，发送设备可以称为远端设备，具体可以为室外的无源设备，例如，天线设备；接收设备可以称为本地设备，具体可以为室内的有源设备，例如，室内基站的有源设备。发 送设备和接收设备中均可以设置有光模块，发送设备可以通过自身的光模块获取光网络中的OAM信息。
本申请实施例提供的所述信息传输方法通过接收OAM帧；其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；能够支撑实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
其中，所述数据帧中包括：可变的第一字段，用于承载可变的OAM信息；第二字段，用于表示N的取值或OAM信息长度；第三字段，用于承载校验码；可变的第四字段，用于对所述数据帧的空闲部分进行填充。
具体的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
实际应用时，接收设备可以利用帧定位功能解析OAM帧，从而获取完整的OAM信息。
基于此，在一实施例中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述方法还包括：
利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
这里，接收设备通过帧定位识别OAM帧中的每个数据帧，得到每个数据帧中包含的OAM信息，利用获取的OAM信息获取发送设备的光模块的实时运行状态信息。发送设备可以将获取的发送设备的光模块的运行状态信息存储在本地的资源管理系统中，利用资源管理系统记录发送设备的光模块的电压、温度、偏置电流等长期运行数据，并分析出发送设备的光模块的运行趋势，以供运维人员管理并预测发送设备的光模块的寿命，或者，以供运维人员快速定位故障位置是在模块内还是在线路上，是在本地的光模块还是在发送设备的光模块，通过快速定位故障，减少了系统的故障修复时间。
需要说明的是，这里，接收设备可以通过同步电路实现帧定位，同步电路产生的定位帧信号与接收的OAM帧信号处于准确同相状态，通过同步电路捕捉接收的OAM帧信号中的帧定位信号即表征N个数据帧的顺序的字段，以捕捉到的帧定位信号的相位作为标准来校准接收设备的时间系统，从而正确分离OAM帧中各个帧信号。其中，捕捉过程的实现与帧长、帧定位码型、确认帧定位信号的校核方法等因素有关。
在一示例中，如图7所示，描述解析OAM帧的过程，包括：
步骤701：接收OAM帧。
步骤702：利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
这里，对OAM帧进行帧定位识别时，若下一帧包含的表征N个数据帧的顺序的字段的取值与N的取值不相等，则继续读取下一帧；若下一针包含的表征N个数据帧的顺序的字段的取值与N的取值相等，则结束读取下一帧。
这里，通过帧定位识别OAM帧，具备以下优点：
由于发送设备发送的OAM帧是包含N个固定帧长为L的数据帧，因此，当OAM信息的信息量大小变大时，接收设备对OAM帧进行帧定位的周期是固定的，如此，能够保证准确定位每个数据帧，从而得到完整的OAM信息。
采用本申请实施例的技术方案，当OAM信息量大小发生变化时，接收设备接收发送设备发送的OAM帧，根据OAM帧中每个数据帧包含的表征N个数据帧的顺序的字段进行准确的帧定位，从而获取完整的OAM信息。
本申请实施例还提供了一种信息传输装置，应用于发送设备，如图8所示，所述装置包括：
第一获取模块81，用于获取光网络中的OAM信息；
第一处理模块82，用于对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
第一发送模块83，用于将所述OAM帧发出。
本申请实施例提供的所述信息传输装置通过获取光网络中的OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；将所述OAM帧发出；能够实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
其中，所述数据帧中包括：可变的第一字段，用于承载可变的OAM信息；第二字段，用于表示N的取值或OAM信息长度；第三字段，用于承载校验码；可变的第四字段，用于对所述数据帧的空闲部分进行填充。
具体的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
进一步的，所述装置还包括：第一确定模块，用于当N为1时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；第二处理模块，用于将OAM信息填充到所述第一字段中。
更进一步的，所述装置还包括：第二确定模块，用于当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；第一判断模块，用于判断所述信息量大小是否大于或等于预设阈值；第三确定模块，用于当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
本申请实施例中，所述确定N的取值，包括：确定与所述OAM信息量大小匹配的数值范围；确定所述数值范围的最大值；计算所述最大值与帧长L的比值；将计算得到的比值作为N的取值。
进一步的，所述第一处理模块82，具体用于：利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；利用N的取值，形成N个数据帧中每个数据帧的第二字段；利用N个数据帧形成OAM帧。
其中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
具体的，所述将所述OAM帧发出，包括：将业务信号作为载波信号；利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；将所述调制处理后的信号发出。
实际应用时，所述第一获取模块元81可由信息传输装置中的通信接口实现；所述第一处理模块82、第一发送模块83可由信息传输装置中的处理器结合通信接口实现。
本申请实施例还提供了一种信息传输装置，应用于接收设备，如图9所示，所述装置包括：
第一接收模块91，用于接收OAM帧；
其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
本申请实施例提供的所述信息传输装置通过接收OAM帧；其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；能够支撑实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
其中，所述数据帧中包括：可变的第一字段，用于承载可变的OAM信息；第二字段，用于表示N的取值或OAM信息长度；第三字段，用于承载校验码；可变的第四字段，用于对所述数据帧的空闲部分进行填充。
具体的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
本申请实施例中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述装置还包括：第三处理模块，用于利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
实际应用时，所述第一接收模块元91可由信息传输装置中的通信接口 实现；所述第三处理模块可由信息传输装置中的处理器结合通信接口实现。
需要说明的是：上述实施例提供的信息传输装置在进行信息传输时，仅以上述各程序模块的划分进行举例说明，实际应用中，可以根据需要而将上述处理分配由不同的程序模块完成，即将装置的内部结构划分成不同的程序模块，以完成以上描述的全部或者部分处理。另外，上述实施例提供的信息传输装置与信息传输方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
为实现本申请实施例的方法，本申请实施例提供一种信息传输系统，如图10所示，包括：
发送设备101，用于获取光网络中的OAM信息；对获取的OAM信息进行封装，形成OAM帧；将所述OAM帧发出。
其中，所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
接收设备102，用于接收OAM帧。
需要说明的是：发送设备101和接收设备102的具体处理过程已在上文详述，这里不再赘述。
本申请实施例还提供了一种通信设备，所述通信设备为发送设备，如图11所示，所述通信设备包括：处理器111和收发机112；
所述处理器111，用于获取光网络中的OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
通过所述收发机112将所述OAM帧发出。
本申请实施例提供的所述通信设备通过获取光网络中的OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；将所述OAM帧发出；能够实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中 OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
其中，所述数据帧中包括：可变的第一字段，用于承载可变的OAM信息；第二字段，用于表示N的取值或OAM信息长度；第三字段，用于承载校验码；可变的第四字段，用于对所述数据帧的空闲部分进行填充。
具体的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
进一步的，所述处理器还用于：当N为1时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；将OAM信息填充到所述第一字段中。
更进一步的，所述处理器还用于：当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；判断所述信息量大小是否大于或等于预设阈值；当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
本申请实施例中，所述处理器具体用于：确定与所述OAM信息量大小匹配的数值范围；确定所述数值范围的最大值；计算所述最大值与帧长L的比值；将计算得到的比值作为N的取值。
其中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
具体的，所述处理器具体用于：将业务信号作为载波信号；利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；通过所述收发机将所述调制处理后的信号发出。
其中，上述发送设备侧的信息传输方法的所述实现实施例均适用于该通信设备的实施例中，也能达到对应相同的技术效果。
本申请实施例还提供了一种通信设备，所述通信设备为接收设备，如图12所示，所述通信设备包括：处理器121和收发机122；
所述处理器121，用于通过所述收发机122接收OAM帧；
其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
本申请实施例提供的所述通信设备通过接收OAM帧；其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；能够支撑实现针对OAM信息采用可变定长帧进行传输，这样既有利于报文的编解码、便于处理、减少耗时，又利于依据消息内容进行扩展、保证可扩展性；很好的解决了现有技术中OAM信息传输方案存在处理复杂、耗时长、扩展性差的问题。
其中，所述数据帧中包括：可变的第一字段，用于承载可变的OAM信息；第二字段，用于表示N的取值或OAM信息长度；第三字段，用于承载校验码；可变的第四字段，用于对所述数据帧的空闲部分进行填充。
具体的，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
本申请实施例中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述处理器还用于：利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
其中，上述接收设备侧的信息传输方法的所述实现实施例均适用于该通信设备的实施例中，也能达到对应相同的技术效果。
本申请实施例还提供了一种通信设备，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序；所述处理器执行所述程序时实现上述发送设备侧的信息传输方法；或者，所述处理器执行所述程序时实现上述接收设备侧的信息传输方法。
其中，上述发送设备侧或接收设备侧的信息传输方法的所述实现实施例均适用于该通信设备的实施例中，也能达到对应相同的技术效果。
本申请实施例还提供了一种可读存储介质，其上存储有程序，该程序被处理器执行时实现上述发送设备侧的信息传输方法中的步骤；或者，该程序被处理器执行时实现上述接收设备侧的信息传输方法中的步骤。
其中，上述发送设备侧或接收设备侧的信息传输方法的所述实现实施例均适用于该可读存储介质的实施例中，也能达到对应相同的技术效果。
可读存储介质可以是FRAM、ROM、PROM、EPROM、EEPROM、Flash Memory、磁表面存储器、光盘、或CD-ROM等存储器。
需要说明的是：“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
另外，本申请实施例所记载的技术方案之间，在不冲突的情况下，可以任意组合。
需要说明的是，此说明书中所描述的许多功能部件都被称为模块，以便更加特别地强调其实现方式的独立性。
本申请实施例中，模块可以用软件实现，以便由各种类型的处理器执行。举例来说，一个标识的可执行代码模块可以包括计算机指令的一个或多个物理或者逻辑块，举例来说，其可以被构建为对象、过程或函数。尽管如此，所标识模块的可执行代码无需物理地位于一起，而是可以包括存储在不同位里上的不同的指令，当这些指令逻辑上结合在一起时，其构成模块并且实现该模块的规定目的。
实际上，可执行代码模块可以是单条指令或者是许多条指令，并且甚至可以分布在多个不同的代码段上，分布在不同程序当中，以及跨越多个存储器设备分布。同样地，操作数据可以在模块内被识别，并且可以依照任何适当的形式实现并且被组织在任何适当类型的数据结构内。所述操作数据可以作为单个数据集被收集，或者可以分布在不同位置上(包括在不同存储设备上)，并且至少部分地可以仅作为电子信号存在于系统或网络上。
在模块可以利用软件实现时，考虑到现有硬件工艺的水平，所以可以以软件实现的模块，在不考虑成本的情况下，本领域技术人员都可以搭建对应的硬件电路来实现对应的功能，所述硬件电路包括常规的超大规模集成(VLSI)电路或者门阵列以及诸如逻辑芯片、晶体管之类的现有半导体或者是其它分立的元件。模块还可以用可编程硬件设备，诸如现场可编程门阵列、可编程阵列逻辑、可编程逻辑设备等实现。
以上所述的是本申请的优选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本申请所述原理前提下，还可以作出若干改进和润 饰，这些改进和润饰也应视为本申请的保护范围。

Claims (30)

  1. 一种信息传输方法，应用于发送设备，所述方法包括：
    获取光网络中的操作维护管理OAM信息；
    对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
    将所述OAM帧发出。
  2. 根据权利要求1所述的方法，其中，所述数据帧中包括：
    可变的第一字段，用于承载可变的OAM信息；
    第二字段，用于表示N的取值或OAM信息长度；
    第三字段，用于承载校验码；
    可变的第四字段，用于对所述数据帧的空闲部分进行填充。
  3. 根据权利要求2所述的方法，其中，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
  4. 根据权利要求2所述的方法，其中，当N为1时，所述对获取的OAM信息进行封装之前，所述方法还包括：
    确定所述OAM信息对应的信息量大小；
    将OAM信息填充到所述第一字段中。
  5. 根据权利要求2所述的方法，其中，当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，所述方法还包括：
    确定所述OAM信息对应的信息量大小；
    判断所述信息量大小是否大于或等于预设阈值；
    当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
  6. 根据权利要求5所述的方法，其中，所述确定N的取值，包括：
    确定与所述OAM信息量大小匹配的数值范围；
    确定所述数值范围的最大值；
    计算所述最大值与帧长L的比值；
    将计算得到的比值作为N的取值。
  7. 根据权利要求5或6所述的方法，其中，所述对获取的OAM信息进行封装，形成OAM帧，包括：
    利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；
    利用N的取值，形成N个数据帧中每个数据帧的第二字段；
    利用N个数据帧形成OAM帧。
  8. 根据权利要求1所述的方法，其中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
  9. 根据权利要求1所述的方法，其中，所述将所述OAM帧发出，包括：
    将业务信号作为载波信号；
    利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；
    将所述调制处理后的信号发出。
  10. 一种信息传输方法，应用于接收设备，所述方法包括：
    接收OAM帧；
    其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
  11. 根据权利要求10所述的方法，其中，所述数据帧中包括：
    可变的第一字段，用于承载可变的OAM信息；
    第二字段，用于表示N的取值或OAM信息长度；
    第三字段，用于承载校验码；
    可变的第四字段，用于对所述数据帧的空闲部分进行填充。
  12. 根据权利要求11所述的方法，其中，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
  13. 根据权利要求10所述的方法，其中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述方法还包括：
    利用N个数据帧中每个数据帧包含的表征N个数据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
  14. 一种信息传输装置，应用于发送设备，所述装置包括：
    第一获取模块，用于获取光网络中的操作维护管理OAM信息；
    第一处理模块，用于对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
    第一发送模块，用于将所述OAM帧发出。
  15. 根据权利要求14所述的装置，其中，所述数据帧中包括：
    可变的第一字段，用于承载可变的OAM信息；
    第二字段，用于表示N的取值或OAM信息长度；
    第三字段，用于承载校验码；
    可变的第四字段，用于对所述数据帧的空闲部分进行填充。
  16. 根据权利要求15所述的装置，其中，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
  17. 根据权利要求15所述的装置，其中，所述装置还包括：
    第一确定模块，用于当N为1时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；
    第二处理模块，用于将OAM信息填充到所述第一字段中。
  18. 根据权利要求15所述的装置，其中，所述装置还包括：
    第二确定模块，用于当N为大于1的正整数时，所述对获取的OAM信息进行封装之前，确定所述OAM信息对应的信息量大小；
    第一判断模块，用于判断所述信息量大小是否大于或等于预设阈值；
    第三确定模块，用于当确定所述信息量大小大于或等于预设阈值时，确定N的取值。
  19. 根据权利要求18所述的装置，其中，所述确定N的取值，包括：
    确定与所述OAM信息量大小匹配的数值范围；
    确定所述数值范围的最大值；
    计算所述最大值与帧长L的比值；
    将计算得到的比值作为N的取值。
  20. 根据权利要求18或19所述的装置，其中，
    所述第一处理模块，具体用于利用获取的OAM信息，形成N个数据帧中每个数据帧的第一字段；利用N的取值，形成N个数据帧中每个数据帧的第二字段；利用N个数据帧形成OAM帧。
  21. 根据权利要求14所述的装置，其中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段。
  22. 根据权利要求14所述的装置，其中，所述将所述OAM帧发出，包括：
    将业务信号作为载波信号；
    利用所述载波信号，对所述OAM帧对应的信号进行调制处理，得到调制处理后的信号；
    将所述调制处理后的信号发出。
  23. 一种信息传输装置，应用于接收设备，所述装置包括：
    第一接收模块，用于接收OAM帧；
    其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
  24. 根据权利要求23所述的装置，其中，所述数据帧中包括：
    可变的第一字段，用于承载可变的OAM信息；
    第二字段，用于表示N的取值或OAM信息长度；
    第三字段，用于承载校验码；
    可变的第四字段，用于对所述数据帧的空闲部分进行填充。
  25. 根据权利要求24所述的装置，其中，所述第三字段承载的校验码用于对所述数据帧中OAM信息相关联的内容进行校验。
  26. 根据权利要求23所述的装置，其中，当N为大于1的正整数时，N个数据帧中每个数据帧均包含表征N个数据帧的顺序的字段，所述装置还包括：
    第三处理模块，用于利用N个数据帧中每个数据帧包含的表征N个数 据帧的顺序的字段，对所述OAM帧进行帧定位识别，得到每个数据帧中包含的OAM信息。
  27. 一种通信设备，所述通信设备为发送设备，所述通信设备包括：处理器和收发机；
    所述处理器，用于获取光网络中的操作维护管理OAM信息；对获取的OAM信息进行封装，形成OAM帧；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变；
    通过所述收发机将所述OAM帧发出。
  28. 一种通信设备，所述通信设备为接收设备，所述通信设备包括：处理器和收发机；
    所述处理器，用于通过所述收发机接收OAM帧；
    其中，所述OAM帧是对光网络中的OAM信息进行封装形成的；所述OAM帧包含N个帧长为L的数据帧；N随着OAM信息量大小的变化而变化，L随着OAM信息量大小的变化保持不变。
  29. 一种通信设备，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序；所述处理器执行所述程序时实现如权利要求1至9中任一项所述的信息传输方法；或者，
    所述处理器执行所述程序时实现如权利要求10至13中任一项所述的信息传输方法。
  30. 一种可读存储介质，其上存储有程序，该程序被处理器执行时实现如权利要求1至9中任一项所述的信息传输方法中的步骤；或者，
    该程序被处理器执行时实现如权利要求10至13中任一项所述的信息传输方法中的步骤。
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