WO2022142600A1 - 数据传输方法、设备及系统 - Google Patents

数据传输方法、设备及系统 Download PDF

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Publication number
WO2022142600A1
WO2022142600A1 PCT/CN2021/124715 CN2021124715W WO2022142600A1 WO 2022142600 A1 WO2022142600 A1 WO 2022142600A1 CN 2021124715 W CN2021124715 W CN 2021124715W WO 2022142600 A1 WO2022142600 A1 WO 2022142600A1
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WIPO (PCT)
Prior art keywords
fixed network
target
network device
data
sla
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PCT/CN2021/124715
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English (en)
French (fr)
Inventor
陈颖
普云
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华为技术有限公司
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Priority to EP21913345.1A priority Critical patent/EP4266631A4/en
Publication of WO2022142600A1 publication Critical patent/WO2022142600A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
    • H04L41/5048—Automatic or semi-automatic definitions, e.g. definition templates

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a data transmission method, device and system.
  • Fixed network refers to a fixed network, which is different from a mobile network.
  • the user terminal can communicate with the server through a data channel formed by multiple fixed network devices (network devices in the fixed network). Since the performance of the fixed network device cannot be changed once it is configured, the performance of the data channel formed by multiple fixed network devices cannot be changed, for example, the delay of the data channel is fixed.
  • the application provides a data transmission method, equipment and system, which can solve the problem of poor flexibility of data transmission in a fixed network.
  • the technical solution is as follows:
  • a first aspect provides a data transmission method, the method comprising: a first fixed network device first determines a target service level agreement SLA of data of a target user in the fixed network, and then, according to the corresponding relationship between the data SLA and the slice template , determine the target slice template corresponding to the target SLA; finally, the first fixed network device transmits the data of the target user by using the slice instance of the target slice template.
  • the first fixed network device determines a corresponding target slice template according to the target SLA of the target user's data, and transmits the target user's data by using the slice instance of the target slice template.
  • user data of different SLAs will be transmitted using slice instances of different slice templates, so that user data of different SLAs will be transmitted on different data channels, thus improving the flexibility of data transmission in the fixed network.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • the slice instance of the target slice template may or may not include an interface.
  • the first fixed network device before using the slice instance of the target slice template to transmit the data of the target user, the first fixed network device also needs to configure an interface for the slice instance of the target slice template, for example, configure an interface for the slice instance.
  • User-side interface and network-side interface may be an interface connecting the slice instance with a user terminal, and the network-side interface may be an interface connecting the slice instance and the server.
  • the first fixed network device After receiving the data of the target user sent by the user terminal in the fixed network, the first fixed network device can determine the characteristics of the data, and then determine the target SLA according to the characteristics of the data.
  • the SLA carried by the target user's data is the target SLA.
  • the data of the target user carries an SLA
  • the SLA is the SLA required by the data of the target user.
  • the first fixed network device may collect the SLA carried by the data, and determine the SLA as the target SLA.
  • the SLA corresponding to the type of the target user's data is the target SLA.
  • the first fixed network device can identify the type of the data of the target user.
  • determine the SLA corresponding to the data type of the target user and determine the SLA as the target SLA.
  • the correspondence between data types and SLAs may include multiple data types and multiple SLAs, and the SLA corresponding to each data type is: the SLA required by the data of this data type.
  • the method further includes: the first fixed network device according to the user Corresponding relationship with SLA, determine the SLA corresponding to the target user; when the target SLA is lower than or equal to the SLA corresponding to the target user, the first fixed network device only corresponds to the SLA of the data and the slice template relationship, and determine the target slice template corresponding to the target SLA.
  • the first fixed network device determines the SLA corresponding to the target user; when the target SLA is lower than or equal to the SLA corresponding to the target user, the first fixed network device only corresponds to the SLA of the data and the slice template relationship, and determine the target slice template corresponding to the target SLA.
  • Each user created in the fixed network device has a corresponding SLA, and the SLA reached by the user's data during transmission cannot exceed the corresponding SLA of the user.
  • the first fixed network device may filter a corresponding target slice template for the data of the target user, so as to facilitate subsequent transmission of the data of the target user based on the target slice template.
  • the target SLA when the target SLA is higher than the SLA corresponding to the target user, it means that the SLA required by the data of the current target user (or the SLA corresponding to the data type of the target user) exceeds the SLA corresponding to the target user.
  • a fixed network device cannot filter the corresponding target slice template for user data.
  • the first fixed network device may not filter the slice template, but directly transmit the data of the target user; or, the first fixed network device may determine that the corresponding SLA is lower than or equal to the target in the corresponding relationship between the SLA and the slice template
  • the auxiliary slice template of the SLA corresponding to the user, and the data of the target user is transmitted based on the auxiliary slice template.
  • the corresponding target slice template is screened for the data of the target user, so that the SLA of the target user during data transmission is higher than the SLA corresponding to the target user.
  • the method further includes: when the target duration reaches a duration threshold, the first fixed network The device prohibits using the slice instance of the target slice template to transmit the data of the target user; wherein, the target duration is: the slice instance of the target slice template adopted by the first fixed network device stops transmitting the target The duration of the user's data.
  • the target duration is: the slice instance of the target slice template adopted by the first fixed network device stops transmitting the target The duration of the user's data.
  • the first fixed network device may determine that the target user does not need to transmit data temporarily. Therefore, at this time, the first fixed network device may unbind the target user from the slice instance of the target slice template. For example, The slice instance that adopts the target slice template can be prohibited from transmitting the target user's data.
  • the method further includes: when the target quantity is less than a quantity threshold, the first fixed network device deletes the slice instance of the target slice template; wherein the target quantity is: the first fixed network device The number of users corresponding to the data transmitted by the slice instance of the adopted target slice template.
  • the target quantity is less than the quantity threshold, it means that the current utilization rate of the slice instances of the target slice template is low.
  • the first fixed network device can delete the slice instances of the target slice template to reduce the load of the first fixed network device.
  • the number threshold may be 1 or 2, or the like.
  • the first fixed network device is connected to a second fixed network device, and the method further includes: after the first fixed network device determines the target slice template, sending the first fixed network device to the first fixed network device.
  • the second fixed network device sends a first control message, where the first control message is used to instruct the second fixed network device to transmit the data of the target user by using another slice instance of the target slice template. Since the slice instance in the second fixed network device in the embodiment of the present application is managed by the first fixed network device, when the first fixed network device determines that the slice instance of the target slice template needs to be used to transmit the data of the target user, the first fixed network device A fixed network device may instruct the second fixed network device to also use the slice instance of the target slice template to transmit the data of the target user.
  • the method further includes: when the target duration reaches a duration threshold, the first fixed network device sends the first fixed network device to the second fixed network device.
  • the second fixed network device sends a second control message; wherein the target duration is: the duration for which the slice instance of the target slice template adopted by the first fixed network device stops transmitting the data of the target user; the The second control message is used to instruct the second fixed network device to prohibit using the another slice instance of the target slice template to transmit the data of the target user.
  • the first fixed network device may instruct the second fixed network device to also prohibit using the slice instance of the target slice template to transmit the data of the target user.
  • the method further includes: when the target quantity is less than a quantity threshold, the first fixed network device sends a third control message to the second fixed network device, where the third control message is used to indicate the The second fixed network device deletes the other slice instance of the target slice template; wherein the target quantity is: data used for transmission by the slice instance of the target slice template adopted by the first fixed network device The corresponding number of users. Since the slice instance in the second fixed network device in the embodiment of the present application is managed by the first fixed network device, when the first fixed network device determines that the slice instance of the target slice template needs to be deleted, the first fixed network device can delete the slice instance of the target slice template. Instructs the second fixed network device to also delete slice instances of the target slice template.
  • the first fixed network device is one of an optical line terminal OLT or an optical network terminal ONT
  • the second fixed network device is another device of the OLT and the ONT.
  • a data transmission method comprising: the first fixed network device first determines a target service level agreement SLA of data of a target user in the fixed network, and then according to the corresponding relationship between the data SLA and the slice template, Determine the target slice template corresponding to the target SLA; finally, the first fixed network device sends a first control message to the second fixed network device, where the first control message is used to instruct the second fixed network device to use the The slice instance of the target slice template transmits the data of the target user.
  • the SLA carried by the data of the target user is the target SLA.
  • the SLA corresponding to the data type of the target user is the target SLA.
  • the method further includes: the first fixed network device according to the user Corresponding relationship with SLA, determine the SLA corresponding to the target user; when the target SLA is lower than or equal to the SLA corresponding to the target user, the first fixed network device only corresponds to the SLA of the data and the slice template relationship, and determine the target slice template corresponding to the target SLA.
  • the method further includes: when the target duration reaches a duration threshold, the first fixed network device sends the first fixed network device to the second fixed network device.
  • the second fixed network device sends a second control message; wherein the target duration is: the duration for which the slice instance of the target slice template adopted by the second fixed network device stops transmitting the data of the target user; the The second control message is used to instruct the second fixed network device to prohibit using the slice instance of the target slice template to transmit the data of the target user.
  • the method further includes: the first fixed network device receives the message sent by the second fixed network device.
  • a duration message where the duration message is used to indicate that the target duration reaches a duration threshold; the first fixed network device determines, according to the duration message, that the target duration reaches the duration threshold.
  • the second fixed network device needs to detect the target duration when using the slice instance of the target slice template to transmit the data of the target user.
  • the second fixed network device can determine that the target user does not need to transmit data temporarily. Therefore, at this time, the second fixed network device can send a duration message to the first fixed network device to facilitate the first fixed network device.
  • the network device instructs the second fixed network device to prohibit using the slice instance of the target slice template to transmit the data of the target user according to the duration message.
  • the method further includes: when the target quantity is less than a quantity threshold, the first fixed network device sends a third control message to the second fixed network device, where the third control message is used to indicate the The second fixed network device deletes the slice instance of the target slice template; wherein, the target number is: the user corresponding to the data transmitted by the slice instance of the target slice template adopted by the second fixed network device quantity.
  • the first fixed network device is a controller
  • the second fixed network device is an OLT or an ONT.
  • a data transmission method comprising: a second fixed network device receiving a first control message sent by a first fixed network device, and then, the second fixed network device according to the first control message message, which uses the slice instance of the target slice template to transmit the data of the target user.
  • the method further includes: the second fixed network device receives the The second control message sent by the first fixed network device, and then, according to the second control message, the second fixed network device prohibits the use of the slice instance of the target slice template to transmit the data of the target user.
  • the method further includes: when the target duration reaches a duration threshold, the second fixed network device sends a message to the second fixed network device.
  • the first fixed network device sends a duration message, and the duration message is used to indicate that the target duration reaches the duration threshold; wherein the target duration is: the target adopted by the second fixed network device The duration for which a slice instance of a slice template stops transmitting data for the target user.
  • the method further includes: the second fixed network device receives a third control message sent by the first fixed network device; and the second fixed network device deletes the third control message according to the third control message.
  • the slice instance of the target slice template is not limited to: the first fixed network device, the second fixed network device, and the second fixed network device deletes the third control message according to the third control message.
  • the first fixed network device is: a controller
  • the second fixed network device is: an OLT or an ONT; or, the first fixed network device is: one of the OLT and the ONT,
  • the second fixed network device is another device in the OLT and the ONT.
  • a fixed network device in a fourth aspect, includes: various modules for executing any one of the data transmission methods provided in the first aspect.
  • a fixed network device comprising: various modules for executing any one of the data transmission methods provided in the second aspect.
  • a fixed network device comprising: various modules for executing any one of the data transmission methods provided in the third aspect.
  • a fixed network device comprising: a processor and a memory; the processor is configured to execute a program stored in the memory to implement the first aspect, the second aspect and the third aspect Any data transmission method provided by the aspect.
  • a fixed network communication system includes: a first fixed network device; the first fixed network device is any data transmission device provided in the fourth aspect or the fifth aspect .
  • the fixed network communication system further includes: a second fixed network device; the second fixed network device is any data transmission device provided in the sixth aspect.
  • a computer-readable storage medium is provided, and instructions are stored in the computer-readable storage medium, and when the instructions are executed on a computer, the computer is made to execute the first aspect, the second aspect or the third aspect. Any data transmission method provided by the aspect.
  • a tenth aspect provides a computer program product comprising instructions, when the computer program product is run on a computer, the computer is made to execute any one of the data transmission methods provided in the first aspect, the second aspect or the third aspect .
  • FIG. 1 is a schematic structural diagram of a fixed network communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of another fixed network communication system provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a fixed network device according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a transmission path provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of another data transmission method provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a data transmission device according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another data transmission device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of another data transmission device provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a fixed network communication system provided by an embodiment of the present application.
  • the fixed network communication system may be a fixed network communication system, and the fixed network communication system includes a plurality of fixed network devices. , such as the optical line terminal (optical line terminal, OLT) 01 and the optical network terminal (optical network terminal, ONT) 02 in FIG. 1 .
  • OLT optical line terminal
  • ONT optical network terminal
  • a fixed network device other than the OLT and the ONT may also exist in the fixed network communication system, which is not limited in this embodiment of the present application.
  • the fixed network communication system may further include a user terminal 03 and a server (not shown in FIG. 1 ), and the user terminal 03 is connected to the server through the ONT 01 and the OLT 02 in turn.
  • the fixed network communication system may further include a broadband network gateway (BNG) (also not shown in FIG. 1 ), and the OLT 02 and the server may be connected through the BNG.
  • BNG broadband network gateway
  • FIG. 2 is a schematic structural diagram of another fixed network communication system provided by an embodiment of the present application.
  • the fixed network communication system may further include: a control device 04.
  • the controller 04 can be connected with the OLT 01 or the ONT 02.
  • the connection between the controller 04 and the OLT 01 is taken as an example.
  • the controller 04 may be any controller, such as a software-defined network (software-defined networking, SDN) controller.
  • the fixed network device in the fixed network communication system may include: a processor; the processor is coupled to the memory, and after reading the instructions in the memory, executes the method executed by the fixed network device as described in the embodiments of the present application according to the instructions.
  • the number of processors may be multiple, and the memory coupled to the processor may be independent of the processor or the fixed network device, or may be within the processor or the fixed network device.
  • the storage can be a physically independent unit, or a storage space on a cloud server or a network hard disk.
  • the memory may be one or more. When the number of memories is multiple, they can be located in the same or different locations, and can be used independently or in combination. Exemplarily, when the memory is located inside the fixed network device, please refer to FIG.
  • the fixed network device 200 includes: a processor 202 and a memory 201, wherein the memory 201 is used to store programs, and the processor 202 is used to call the programs stored in the memory 201, so that the fixed network device executes corresponding methods or functions.
  • the fixed network device 200 may further include at least one communication interface 203 and at least one communication bus 204 .
  • the memory 201 , the processor 202 and the communication interface 203 are communicatively connected through a communication bus 204 .
  • the communication interface 203 is used to communicate with other devices under the control of the processor 202 , and the processor 202 can call the program stored in the memory 201 through the communication bus 204 .
  • the user terminal 03 can communicate with the server through a data channel formed by fixed network equipment (such as OLT and ONT).
  • the different data of the user to be transmitted by the user terminal 03 have different requirements on the performance of the data channel.
  • the performance of the fixed network equipment is configured, it cannot be changed. Therefore, the different data of the user can only be transmitted through the data channel with fixed performance.
  • one kind of data requires a delay of less than 20 milliseconds
  • another kind of data requires a delay of less than 80 milliseconds
  • these two kinds of data are transmitted through the same data channel. . It can be seen that the flexibility of data transmission in the fixed network is poor.
  • the embodiment of the present application provides a data transmission method, which can transmit data by using corresponding slice instances in fixed network equipment according to a service level agreement (Service Level Agreement, SLA) of data, so as to solve the problem of fixed network The problem of poor flexibility in data transmission.
  • SLA Service Level Agreement
  • FIG. 4 is a flowchart of a data transmission method provided by an embodiment of the present application.
  • the data transmission method may be used for a first fixed network device, and the first fixed network device may be the one shown in FIG. 1 or FIG. 2 .
  • the data transmission method may include:
  • Step 401 The first fixed network device determines the target SLA of the data of the target user in the fixed network.
  • the first fixed network device may determine the characteristics of the data, and then determine the target SLA according to the characteristics of the data.
  • the SLA carried by the target user's data is the target SLA.
  • the data of the target user carries an SLA
  • the SLA is the SLA required by the data of the target user.
  • the first fixed network device may collect the SLA carried by the data, and determine the SLA as the target SLA.
  • the SLA corresponding to the type of the target user's data is the target SLA.
  • the first fixed network device can identify the type of the data of the target user.
  • determine the SLA corresponding to the data type of the target user and determine the SLA as the target SLA.
  • the correspondence between data types and SLAs may include multiple data types and multiple SLAs, and the SLA corresponding to each data type is: the SLA required by the data of this data type.
  • an artificial intelligence (artificial intelligence, AI) module may be used for identification.
  • the type of data of the target user may be related to the application (or type of application), and the types of data of different applications are different.
  • Step 402 The first fixed network device determines the SLA corresponding to the target user according to the corresponding relationship between the user and the SLA.
  • Each user created in the fixed network device has a corresponding SLA, and the SLA reached by the user's data during transmission cannot exceed the corresponding SLA of the user.
  • the first fixed network device After receiving the data of the target user, the first fixed network device also needs to determine the SLA corresponding to the target user.
  • the data of the target user carries the identifier of the target user, and the first fixed network device can determine the target user and the SLA corresponding to the target user according to the identifier of the target user.
  • Step 403 When the target SLA is lower than or equal to the SLA corresponding to the target user, the first fixed network device determines a target slice template corresponding to the target SLA according to the correspondence between the data SLA and the slice template.
  • the first fixed network device may determine whether the target SLA is higher than the SLA corresponding to the target user. When the target SLA is lower than or equal to the SLA corresponding to the target user, it means that the SLA required by the current target user's data (or the SLA corresponding to the type of the target user's data) does not exceed the SLA corresponding to the target user. At this time, the first fixed network device may filter a corresponding target slice template for the data of the target user, so as to facilitate subsequent transmission of the data of the target user based on the target slice template.
  • the slice instance of each slice template can reach the SLA corresponding to the slice template when transmitting data. Therefore, according to the corresponding relationship between the SLA of the data and the slice template, the first fixed network device determines that the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, the slice instance of the target slice template can meet the SLA requirements of the target user's data.
  • the slice template contains the information required to create a slice instance, and a slice instance can be created in the fixed network device according to the slice template.
  • a slice instance contains the resources used to transmit the data, and information about how the data is transmitted.
  • a slice instance includes: forwarding resources (such as Traffic Management (TM) resources), interface resources, queue priority of data on the interface, and resource unit reservation methods (such as exclusive or shared), etc.
  • TM Traffic Management
  • the target SLA when the target SLA is higher than the SLA corresponding to the target user, it means that the SLA required by the current target user's data (or the SLA corresponding to the target user's data type) exceeds the SLA corresponding to the target user.
  • the first fixed network device cannot filter the corresponding target slice template for the user data. For example, the first fixed network device may not filter the slice template, but directly transmit the data of the target user; or, the first fixed network device may determine that the corresponding SLA is lower than or equal to the target in the corresponding relationship between the SLA and the slice template
  • the auxiliary slice template of the SLA corresponding to the user, and the data of the target user is transmitted based on the auxiliary slice template.
  • the corresponding target slice template is screened for the data of the target user, so that the SLA of the target user during data transmission is higher than the SLA corresponding to the target user.
  • the first fixed network device may determine that the target SLA is equal to the target user's corresponding SLA SLA, the first fixed network device may determine the target slice template corresponding to the target SLA as the slice template A according to the correspondence between the SLA of the data and the slice template.
  • the first fixed network device can determine that the target SLA is higher than the SLA corresponding to the target user, and the first fixed network device may not filter the slice template, but directly transmit the data of the target user; or, the first fixed network device may determine the auxiliary slicing template as the slicing template B according to the corresponding relationship between the SLA of the data and the slicing template.
  • the first fixed network device may also send an alarm message to the controller, where the alarm message is used to indicate that the target SLA is high. SLA for target users.
  • Step 404 The first fixed network device transmits the data of the target user by using the slice instance of the target slice template.
  • the first fixed network device can detect whether a slice instance of the target slice template has been created. If the slice instance has been created, the first fixed network device can directly use the slice instance to transmit the data of the target user. That's it. If the slice instance is not created, the first fixed network device may create the slice instance according to the target slice template, and then use the slice instance to transmit the data of the target user.
  • the slice instance of the target slice template can achieve the target SLA corresponding to the target slice template when transmitting the data of the target user, and the target user's data on the SLA demand is the target SLA, therefore, the first fixed network device adopts the slice of the target slice template.
  • the instance transmits the data of the target user, which can meet the SLA requirements of the target user's data.
  • the slice instance of the target slice template may or may not include an interface.
  • the first fixed network device before using the slice instance of the target slice template to transmit the data of the target user, the first fixed network device also needs to configure an interface for the slice instance of the target slice template, for example, configure an interface for the slice instance.
  • User-side interface and network-side interface may be an interface connecting the slice instance with a user terminal, and the network-side interface may be an interface connecting the slice instance and the server.
  • the first fixed network device may collect the quintuple in the data of the target user, and configure the user-side interface and the network-side interface based on the quintuple.
  • the quintuple includes: a source Internet Protocol (Internet Protocol, IP) address, a source port, a destination IP address, a destination port, and a transport layer protocol.
  • IP Internet Protocol
  • the network side interface of the first fixed network device is an uplink interface (such as the interface from OLT to BNG), and the user side interface is a GEMPORT (a GEM-based (a GPON) encapsulation method).
  • GEMPORT a GEM-based (a GPON) encapsulation method
  • logical port or logical link identifier (Logical Link Identifier, LLID) interface
  • GPON is a passive optical network technology
  • the network side interface of the first fixed network device is GEMPORT Or LLID
  • the user side interface is a wireless network (Wireless Local Area Networks, WIFI) interface or an Ethernet interface.
  • WIFI Wireless Local Area Networks
  • the uplink interface is a logical interface, including a layer-2 virtual local area network (Virtual Local Area Network, VLAN) interface, a layer-3 routing interface or a tunnel, etc.
  • the tunnel can be a virtual extended local area network (Virtual Extensible Local Area Network, VXLAN) tunnel, SRv6 (Segment Routing based on Internet Protocol version 6) tunneling, etc.
  • the uplink interface can also be a physical interface, such as an Ethernet port, a Flexible Ethernet (Flex-E) interface, an optical transport network (optical transport network, OTN) interface, and the like.
  • the first fixed network device may use the slice instance of the auxiliary slice template to transmit the data of the target user.
  • Step 405 When the target duration reaches the duration threshold, the first fixed network device prohibits using the slice instance of the target slice template to transmit the data of the target user, wherein the target duration is: the slice instance of the target slice template adopted by the first fixed network device The duration of time to stop transferring the target user's data.
  • the first fixed network device needs to detect the target duration when using the slice instance of the target slice template to transmit the data of the target user.
  • the first fixed network device may determine that the target user does not need to transmit data temporarily. Therefore, at this time, the first fixed network device may unbind the target user from the slice instance of the target slice template, for example, The slice instance that adopts the target slice template can be prohibited from transmitting the target user's data.
  • the first fixed network device determines the auxiliary slice template in step 403, then in step 405, the first fixed network device can detect the duration for which the slice instance of the auxiliary slice template stops transmitting the data of the target user, And when the duration reaches the duration threshold, it is forbidden to use the slice instance of the auxiliary slice template to transmit the data of the target user.
  • Step 406 When the target quantity is less than the quantity threshold, the first fixed network device deletes the slice instance of the target slice template, wherein the target quantity is: the slice instance of the target slice template adopted by the first fixed network device is used for data transmission. the corresponding number of users.
  • the first fixed network device may count the number of users corresponding to the data transmitted by each slice instance. For example, after the first fixed network device creates the slice instance of the target slice template, if the slice instance of the target slice template is used to transmit the data of the target user, the first fixed network device may determine the slice instance of the target slice template for transmission. The number of users corresponding to the data is 1. Afterwards, if data of other users is also transmitted using the slice instance of the target slice template, the first fixed network device can correspondingly increase the number of users corresponding to the slice instance of the target slice template for transmission of data. For example, assuming that the slice instance of the target slice template is used to transmit data of user 1, user 2, and user 3, the number of users corresponding to the slice instance of the target slice template used for transmission is 3.
  • the target quantity is less than the quantity threshold, it means that the current utilization rate of the slice instances of the target slice template is low.
  • the first fixed network device can delete the slice instances of the target slice template to reduce the load of the first fixed network device.
  • the number threshold may be 1 or 2, or the like.
  • the first fixed network device determines the auxiliary slice template in step 403, then in step 406 the first fixed network device can detect the number of users corresponding to the data transmitted by the slice instance of the auxiliary slice template. , and when the number of users reaches the duration threshold, delete the slice instance of the auxiliary slice template.
  • the first fixed network device determines a corresponding target slice template according to the target SLA of the target user's data, and transmits the target user by using the slice instance of the target slice template.
  • the data In this way, user data of different SLAs will be transmitted using slice instances of different slice templates, so that user data of different SLAs will be transmitted on different data channels, thus improving the flexibility of data transmission in the fixed network.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • both the OLT and the ONT may be the first fixed network equipment.
  • both the OLT and the ONT use the data transmission method shown in FIG. 4 to transmit the data of the target user, as shown in FIG. 5 , it is equivalent to
  • the data of the target user has a transmission path in the fixed network communication system, and the transmission path passes through the slice instance in the ONT and the slice instance in the OLT in sequence.
  • the other device in the OLT and the ONT may be referred to as the second fixed network device.
  • the first fixed network device may send a first notification message to the second fixed network device, where the first notification message is used to notify that the first fixed network device adopts the slice instance of the target slice template. Transfer the data of the target user.
  • the first fixed network device may send a second notification message to the second fixed network device, where the second notification message is used to notify: A fixed network device is prohibited from using the slice instance of the target slice template to transmit the target user's data.
  • the first fixed network device may send a third notification message to the second fixed network device, where the third notification message is used to notify that the first fixed network device deletes the target slice.
  • the third notification message is used to notify that the first fixed network device deletes the target slice.
  • each device in the OLT and the ONT can also send these notification messages to another device in the process of executing the data transmission method shown in FIG. 3, so that each device in the OLT and the ONT can send the notification messages according to These notification messages operate uniformly.
  • the first fixed network device is one of the OLT and the ONT
  • the other device in the OLT and the ONT is not the first fixed network device
  • the other device is called the second fixed network device
  • the first fixed network device is the same as the first fixed network device.
  • the second fixed network device is connected.
  • the embodiment of the present application provides another data transmission method, and the data transmission method can be used in the fixed network communication system shown in FIG. 1 or FIG. 2 .
  • the data transmission method may include:
  • Step 601 The first fixed network device determines the target SLA of the data of the target user in the fixed network.
  • step 601 reference may be made to step 401, which is not repeated in this embodiment of the present application.
  • the first fixed network device determines the target SLA according to the data type of the target user and the corresponding relationship between the data type and the SLA in step 601
  • the first fixed network device needs to determine the data type of the target user.
  • the first fixed network device can determine the first type of data of the target user by itself, and receive the second type of data of the target user determined by the second fixed network device, and then according to The first type and the second type determine the type of the target user's data.
  • the second fixed network device needs to determine the second type of data of the target user, and send the second type to the first fixed network device.
  • Step 602 The first fixed network device determines the SLA corresponding to the target user according to the corresponding relationship between the user and the SLA.
  • step 602 reference may be made to step 402, which is not repeated in this embodiment of the present application.
  • Step 603 When the target SLA is lower than or equal to the SLA corresponding to the target user, the first fixed network device determines a target slice template corresponding to the target SLA according to the correspondence between the data SLA and the slice template.
  • step 603 reference may be made to step 403, which is not repeated in this embodiment of the present application.
  • Step 604 The first fixed network device transmits the data of the target user by using the slice instance of the target slice template.
  • step 604 reference may be made to step 404, and details are not described herein in this embodiment of the present application.
  • Step 605 The first fixed network device sends a first control message to the second fixed network device, where the first control message is used to instruct the second fixed network device to transmit data of the target user by using another slice instance of the target slice template.
  • the slice instance used by the first fixed network device in step 604 belongs to the first fixed network device
  • the slice instance used by the second fixed network device indicated by the first control message in step 605 belongs to the second fixed network device.
  • Both slice instances are slice instances of the target slice template, but the two slice instances are different.
  • the first fixed network device manages slice instances in both the first fixed network device and the second fixed network device, and the first fixed network device can determine the slice of the data of the target user transmitted by the first fixed network device instance, and instructing the second fixed network device to use a certain slice instance to transmit the data of the target user.
  • Step 606 The second fixed network device transmits the data of the target user by using the slice instance of the target slice template according to the first control message.
  • the above-mentioned first control message may include a target slice template and an identifier of a target user
  • the second fixed network device may determine a slice instance of the target slice template according to the target slice template (for example, search for the slice instance or create the slice instance), Then, the data of the target user is transmitted according to the slice instance.
  • the above-mentioned first control message may include the identifier of the target slice template and the identifier of the target user.
  • a plurality of slice templates may be stored in the second fixed network device, and the second fixed network device may search for a target slice template among the plurality of slice templates according to the identifier of the target slice template, and then determine the slice of the target slice template according to the target slice template instance, and then use the slice instance to transmit the data of the target user.
  • the above-mentioned first control message may include information of the slice instance of the target slice template in the second fixed network device, and the identifier of the target user, and the second fixed network device may directly use the slice instance according to the information of the slice instance. Transfer the data of the target user.
  • the first fixed network device can not only manage slice instances in the first fixed network device (for example, create slice instances and use slice instances to transmit data of target users), the first fixed network device can also manage Slice instance in the second fixed network device.
  • the second fixed network device may transmit data using a slice instance of the target slice template under the control of the first fixed network device.
  • the second fixed network device may further configure an interface for the slice instance of the target slice template, or the first fixed network device may also determine the slice of the target slice template in the second fixed network device. instance interface, and instruct the second fixed network device to configure the interface.
  • the process of configuring the interface of the slice instance of the target slice template by the second fixed network device reference may be made to the process of configuring the interface of the slice instance of the target slice template by the first fixed network device, which is not repeated in this embodiment of the present application.
  • Step 607 When the target duration reaches the duration threshold, the first fixed network device prohibits using the slice instance of the target slice template to transmit the data of the target user, wherein the target duration is: the slice instance of the target slice template adopted by the first fixed network device The duration of time to stop transferring the target user's data.
  • the slicing instance of the target slicing template that needs to be prohibited from being used by the first fixed network device in step 607 is: the slicing instance of the target slicing template adopted by the first fixed network device in step 604 .
  • step 607 reference may be made to step 405, which is not repeated in this embodiment of the present application.
  • Step 608 When the target duration reaches the duration threshold, the first fixed network device sends a second control message to the second fixed network device, where the second control message is used to instruct the second fixed network device to prohibit the use of the slice instance of the target slice template to transmit the target user's data.
  • the slicing instance of the target slicing template that the first fixed network device instructs the second fixed network device to prohibit to use in step 608 is: the slicing instance of the target slicing template used by the first fixed network device instructing the second fixed network device in step 605 .
  • the duration for which the slice instance of the target slice template adopted by the first fixed network device stops transmitting the data of the target user is the target duration, and the target duration and the slice instance of the target slice template adopted by the second fixed network device stop transmitting the data of the target user of the same duration. Therefore, when the slicing instance of the target slicing template adopted by the first fixed network device stops transmitting the target user's data for a duration that reaches the duration threshold, the first fixed network device may determine the target slice template adopted by the second fixed network device. The duration for which the slice instance stops transmitting the target user's data also reaches the duration threshold. At this time, the first fixed network device may send a second control message to the second fixed network device to instruct the second fixed network device to also prohibit using the slice instance of the target slice template to transmit data of the target user.
  • the slice instance in the second fixed network device is managed by the first fixed network device. Therefore, when the first fixed network device determines that it is necessary to prohibit the use of the slice instance of the target slice template to transmit the data of the target user , the first fixed network device may instruct the second fixed network device to also prohibit using the slice instance of the target slice template to transmit the data of the target user.
  • Step 609 The second fixed network device prohibits the use of the slice instance of the target slice template to transmit the data of the target user according to the second control message.
  • the slicing instance of the target slicing template prohibited to be used by the second fixed network device in step 609 is: the slicing instance of the target slicing template adopted by the second fixed network device in step 606 .
  • Step 610 When the target quantity is less than the quantity threshold, the first fixed network device deletes the slice instance of the target slice template, wherein the target quantity is: the slice instance of the target slice template adopted by the first fixed network device is used for data transmission. the corresponding number of users.
  • the slice instance of the target slice template to be deleted by the first fixed network device in step 610 is: the slice instance of the target slice template adopted by the first fixed network device in step 604 .
  • step 406 in step 610, which is not described in detail in this embodiment of the present application.
  • Step 611 When the target quantity is less than the quantity threshold, the first fixed network device sends a third control message to the second fixed network device, where the third control message is used to instruct the second fixed network device to delete the slice instance of the target slice template.
  • the slice instance of the target slice template that the first fixed network device instructs the second fixed network device to delete in step 611 is the slice instance of the target slice template used by the first fixed network device instructing the second fixed network device in step 605 .
  • the number of users corresponding to the data transmitted by the slice instance of the target slice template adopted by the first fixed network device is the target number. Since the number of targets is the same as the number of users corresponding to the data transmitted by the slice instance of the target slice template adopted by the second fixed network device, when the slice instance of the target slice template adopted by the first fixed network device is used for transmission When the number of users corresponding to the data is less than the number threshold, the first fixed network device may determine that the number of users corresponding to the data transmitted by the slice instance of the target slice template adopted by the second fixed network device is also less than the number threshold. At this time, the first fixed network device may send a third control message to the second fixed network device to instruct the second fixed network device to also delete the slice instance of the target slice template.
  • the slice instance in the second fixed network device is managed by the first fixed network device. Therefore, when the first fixed network device determines that the slice instance of the target slice template in the first fixed network device needs to be deleted , the first fixed network device may instruct the second fixed network device to also delete the slice instance of the target slice template in the second fixed network device.
  • Step 612 The second fixed network device deletes the slice instance of the target slice template according to the third control message.
  • the messages (such as the above-mentioned first control message, second control message, and third control message) sent by the first fixed network device to the second fixed network device may all be an optical network unit management control interface (Optical Network Unit Management). and Control Interface, OMCI) message.
  • optical network unit management control interface Optical Network Unit Management
  • OMCI Control Interface
  • the first fixed network device determines a corresponding target slice template according to the target SLA of the target user's data, and transmits the target user by using the slice instance of the target slice template.
  • data, and control the second fixed network device to also use the slice instance of the target slice template to transmit the data of the target user.
  • user data of different SLAs will be transmitted using slice instances of different slice templates, so that user data of different SLAs will be transmitted on different data channels, thus improving the flexibility of data transmission in the fixed network.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • an embodiment of the present application provides another data transmission method, which is the same as the first fixed network device and the second fixed network in the fixed network communication system shown in FIG. 2 .
  • the equipment is related, wherein the first fixed network equipment is connected with the second fixed network equipment, the first fixed network equipment may be the controller 04, and the second fixed network equipment may be the OLT 01 or the ONT02.
  • the data transmission method may include:
  • Step 701 The first fixed network device determines the target SLA of the data of the target user in the fixed network.
  • step 701 reference may be made to step 401, which is not repeated in this embodiment of the present application.
  • the second fixed network device can send the SLA to the controller, so that the controller can determine the target SLA according to the SLA. Or, regardless of whether the data of the target user carries the SLA, the second fixed network device can identify the type of the data of the target user, and then the second fixed network device can send the identified type to the controller, so that the controller can According to the type and the corresponding relationship between the data type and SLA, determine the target SLA.
  • Step 702 The first fixed network device determines the SLA corresponding to the target user according to the corresponding relationship between the user and the SLA.
  • step 702 reference may be made to step 402, which is not repeated in this embodiment of the present application.
  • Step 703 When the target SLA is lower than or equal to the SLA corresponding to the target user, the first fixed network device determines a target slice template corresponding to the target SLA according to the correspondence between the data SLA and the slice template.
  • step 703 reference may be made to step 403, which is not repeated in this embodiment of the present application.
  • Step 704 The first fixed network device sends a first control message to the second fixed network device, where the first control message is used to instruct the second fixed network device to transmit the data of the target user by using the slice instance of the target slice template.
  • Step 705 The second fixed network device transmits the data of the target user by using the slice instance of the target slice template according to the first control message.
  • step 704 reference may be made to step 605, and for step 705, reference may be made to step 606, and details are not described herein in this embodiment of the present application.
  • the second fixed network device When the first fixed network device is the controller, if the slice instance does not include an interface, the second fixed network device also needs to configure an interface for the slice instance of the target slice template, and the second fixed network device configures the interface of the slice instance of the target slice template
  • the process reference may be made to the process of configuring the interface of the slice instance of the target slice template by the first fixed network device, which is not repeated in this embodiment of the present application.
  • the controller may also determine the interface of the slice instance of the target slice template in the second fixed network device, and instruct the second fixed network device to configure the interface. interface.
  • the second fixed network device may send the quintuple in the data of the target user to the controller, so that the controller determines the interface of the slice instance of the target slice template in the second fixed network device based on the quintuple.
  • Step 706 When the target duration reaches the duration threshold, the second fixed network device sends a duration message to the first fixed network device, where the duration message is used to indicate that the target duration reaches the duration threshold, and the target duration is: The duration for which slice instances of the target slice template stop transmitting data for the target user.
  • the second fixed network device needs to detect the target duration when using the slice instance of the target slice template to transmit the data of the target user. When the target duration reaches the duration threshold, the second fixed network device can determine that the target user does not need to transmit data temporarily. Therefore, at this time, the second fixed network device can send a duration message to the first fixed network device to facilitate the first fixed network device. The network device instructs the second fixed network device to prohibit using the slice instance of the target slice template to transmit the data of the target user according to the duration message.
  • Step 707 The first fixed network device determines, according to the duration message, that the target duration reaches the duration threshold.
  • Step 708 The first fixed network device sends a second control message to the second fixed network device, where the second control message is used to instruct the second fixed network device to prohibit using the slice instance of the target slice template to transmit data of the target user.
  • Step 709 According to the second control message, the second fixed network device prohibits using the slice instance of the target slice template to transmit the data of the target user.
  • step 708 reference may be made to step 608, and for step 709, reference may be made to step 609, and details are not described herein in this embodiment of the present application.
  • Step 710 When the target quantity is less than the quantity threshold, the first fixed network device sends a third control message to the second fixed network device, where the target quantity is: the slice instance of the target slice template adopted by the second fixed network device is used for The number of users corresponding to the transmitted data, and the third control message is used to instruct the second fixed network device to delete the slice instance of the target slice template.
  • the first fixed network device can count the slice instances of the target slice template used by the second fixed network device for The number of users corresponding to the transmitted data, so the first fixed network device can determine the above target number.
  • the first fixed network device may compare the target number with a number threshold to determine whether it is necessary to send a third control message to the second device.
  • Step 711 The second fixed network device deletes the slice instance of the target slice template according to the third control message.
  • step 710 reference may be made to step 611, and for step 711, reference may be made to step 612, and details are not described herein in this embodiment of the present application.
  • the first fixed network device determines a corresponding target slice template according to the target SLA of the target user's data, and controls the second fixed network device to use the target slice template.
  • the slice instance transmits the target user's data.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • the ONT in the fixed network communication system provided by the embodiment of the present application may also be replaced by an optical network unit (Optical Network Unit, ONU), and the ONT in the data transmission method provided by the embodiment of the present application may also be replaced by an ONU, This embodiment of the present application does not limit this.
  • optical Network Unit Optical Network Unit
  • the communication between the first fixed network device and the second fixed network device may be direct communication, or the first fixed network device and the second fixed network device may communicate through other devices.
  • This application implements The example does not limit this.
  • FIG. 8 is a schematic structural diagram of another data transmission device provided by an embodiment of the present application.
  • the data transmission device may be used for a first fixed network device, and the first fixed network device may be as shown in FIG. 1 or FIG. 2 .
  • the data transmission device includes:
  • the first determining module 801 is configured to determine the target service level agreement SLA of the data of the target user in the fixed network.
  • the second determination module 802 is configured to determine the target slice template corresponding to the target SLA according to the correspondence between the SLA of the data and the slice template;
  • the transmission module 803 is configured to transmit the data of the target user by adopting the slice instance of the target slice template.
  • the SLA carried by the data of the target user is the target SLA.
  • the SLA corresponding to the data type of the target user is the target SLA.
  • the data transmission device further includes:
  • the third determining module (not shown in FIG. 8 ) is configured to determine the SLA corresponding to the target user according to the corresponding relationship between the user and the SLA;
  • the second determination module 802 is configured to determine a target slice template corresponding to the target SLA according to the correspondence between the SLA of the data and the slice template when the target SLA is lower than or equal to the SLA corresponding to the target user.
  • the data transmission device further includes:
  • a prohibition module (not shown in FIG. 8 ) is used to prohibit the use of the slice instance of the target slice template to transmit the data of the target user when the target duration reaches the duration threshold; wherein, the target duration is: the target slice adopted by the first fixed network device The duration for which slice instances of the template stop transmitting data for the target user.
  • the data transmission device further includes:
  • the deletion module (not shown in FIG. 8 ) is used to delete the slice instance of the target slice template when the target quantity is less than the quantity threshold; wherein, the target quantity is: the slice instance of the target slice template adopted by the first fixed network device is used for The number of users corresponding to the transferred data.
  • the first fixed network device is connected to the second fixed network device, and the data transmission device further includes:
  • the first sending module (not shown in FIG. 8 ) is configured to send a first control message to the second fixed network device after determining the target slice template, where the first control message is used to instruct the second fixed network device to use the target slice template.
  • Another slice instance transmits the target user's data.
  • the data transmission device further includes:
  • the second sending module (not shown in FIG. 8 ) is configured to send a second control message to the second fixed network device when the target duration reaches the duration threshold; wherein the target duration is: the target slice adopted by the first fixed network device The duration for which the other slice instance of the template stops transmitting the data of the target user; the second control message is used to instruct the second fixed network device to prohibit using the slice instance of the target slice template to transmit the data of the target user.
  • the data transmission device further includes:
  • a third sending module (not shown in FIG. 8 ), configured to send a third control message to the second fixed network device when the target quantity is less than the quantity threshold, where the third control message is used to instruct the second fixed network device to delete the target slice template wherein the target number is: the number of users corresponding to the data transmitted by the slice instance of the target slicing template adopted by the first fixed network device.
  • the data transmission device is one of the optical line terminal OLT or the optical network terminal ONT
  • the second fixed network device is another device of the OLT and the ONT.
  • an embodiment of the present application provides a data transmission device, the data transmission device determines a corresponding target slice template according to the target SLA of the target user's data, and transmits the target user by using the slice instance of the target slice template The data.
  • the data transmission device determines a corresponding target slice template according to the target SLA of the target user's data, and transmits the target user by using the slice instance of the target slice template The data.
  • user data of different SLAs will be transmitted using slice instances of different slice templates, so that user data of different SLAs will be transmitted on different data channels, thus improving the flexibility of data transmission in the fixed network.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • FIG. 9 is a schematic structural diagram of another data transmission device provided by an embodiment of the application.
  • the data transmission device may be used for a first fixed network device, and the first fixed network device may be the fixed network shown in FIG. 2 . Controllers in communication systems.
  • the data transmission device includes:
  • the first determination module 901 is used to determine the target service level agreement SLA of the data of the target user in the fixed network
  • the second determination module 902 is configured to determine the target slice template corresponding to the target SLA according to the correspondence between the SLA of the data and the slice template;
  • the first sending module 903 is configured to send a first control message to the second fixed network device, where the first control message is used to instruct the second fixed network device to transmit the data of the target user by using the slice instance of the target slice template.
  • the SLA carried by the data of the target user is the target SLA.
  • the SLA corresponding to the data type of the target user is the target SLA.
  • the data transmission device further includes: a third determining module (not shown in FIG. 9 ), configured to determine the SLA corresponding to the target user according to the corresponding relationship between the user and the SLA; the second determining module 902 is configured to determine when the target SLA is low.
  • the target slice template corresponding to the target SLA is determined according to the corresponding relationship between the SLA of the data and the slice template.
  • the data transmission device further includes: a second sending module (not shown in FIG. 9 ), configured to send a second control message to the second fixed network device when the target duration reaches the duration threshold; wherein the target duration is: The duration for which the slice instance of the target slice template used by the second fixed network device stops transmitting data of the target user; the second control message is used to instruct the second fixed network device to prohibit using the slice instance of the target slice template to transmit data of the target user.
  • a second sending module (not shown in FIG. 9 ), configured to send a second control message to the second fixed network device when the target duration reaches the duration threshold
  • the target duration is: The duration for which the slice instance of the target slice template used by the second fixed network device stops transmitting data of the target user
  • the second control message is used to instruct the second fixed network device to prohibit using the slice instance of the target slice template to transmit data of the target user.
  • the data transmission device further includes: a first receiving module (not shown in FIG. 9 ), configured to receive a duration message sent by the second fixed network device, where the duration message is used to indicate that the target duration reaches a duration threshold; a fourth determination module (not shown in FIG. 9 ), for determining that the target duration reaches the duration threshold according to the duration message.
  • a first receiving module (not shown in FIG. 9 ) configured to receive a duration message sent by the second fixed network device, where the duration message is used to indicate that the target duration reaches a duration threshold
  • a fourth determination module (not shown in FIG. 9 ), for determining that the target duration reaches the duration threshold according to the duration message.
  • the data transmission device further includes: a third sending module (not shown in FIG. 9 ), configured to send a third control message to the second fixed network device when the target quantity is less than the quantity threshold, where the third control message is used for Instruct the second fixed network device to delete the slice instance of the target slice template; wherein the target number is: the number of users corresponding to the data transmitted by the slice instance of the target slice template adopted by the second fixed network device.
  • a third sending module (not shown in FIG. 9 ), configured to send a third control message to the second fixed network device when the target quantity is less than the quantity threshold, where the third control message is used for Instruct the second fixed network device to delete the slice instance of the target slice template; wherein the target number is: the number of users corresponding to the data transmitted by the slice instance of the target slice template adopted by the second fixed network device.
  • the data transmission device is: a controller
  • the second fixed network device is: an optical line terminal OLT or an optical network terminal ONT.
  • an embodiment of the present application provides a data transmission device, the data transmission device determines a corresponding target slice template according to the target SLA of the target user's data, and controls the second fixed network device to use the target slice template.
  • the slice instance transmits the target user's data.
  • user data of different SLAs will be transmitted using slice instances of different slice templates, so that user data of different SLAs will be transmitted on different data channels, thus improving the flexibility of data transmission in the fixed network.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • FIG. 10 is a schematic structural diagram of another data transmission device provided by an embodiment of the application.
  • the data transmission device may be used for a second fixed network device, and the second fixed network device may be as shown in FIG. 1 or FIG. 2 .
  • the data transmission device includes:
  • a first receiving module 1001 configured to receive a first control message sent by a first fixed network device
  • the transmission module 1002 is configured to transmit the data of the target user by using the slice instance of the target slice template according to the first control message.
  • the data transmission device further includes: a second receiving module (not shown in FIG. 10 ) for receiving the second control message sent by the first fixed network device; a prohibiting module (not shown in FIG. 10 ) for receiving the second control message according to the The second control message prohibits using the slice instance of the target slice template to transmit the data of the target user.
  • the data transmission device further includes: a first sending module (not shown in FIG. 10 ), configured to send a duration message to the first fixed network device when the target duration reaches a duration threshold, where the duration message is used to indicate: the target duration The duration threshold is reached; wherein, the target duration is: the duration for which the slice instance of the target slice template adopted by the second fixed network device stops transmitting the data of the target user.
  • a first sending module (not shown in FIG. 10 ), configured to send a duration message to the first fixed network device when the target duration reaches a duration threshold, where the duration message is used to indicate: the target duration The duration threshold is reached; wherein, the target duration is: the duration for which the slice instance of the target slice template adopted by the second fixed network device stops transmitting the data of the target user.
  • the data transmission device further includes: a third receiving module (not shown in FIG. 10 ), configured to receive a third control message sent by the first fixed network device; a deletion module (not shown in FIG. 10 ), configured to The third control message deletes the slice instance of the target slice template.
  • a third receiving module (not shown in FIG. 10 ) configured to receive a third control message sent by the first fixed network device
  • a deletion module configured to The third control message deletes the slice instance of the target slice template.
  • the data transmission device is: a controller, the second fixed network device is: OLT or ONT; or, the data transmission device is: one of the OLT and the ONT, and the second fixed network device is the other of the OLT and the ONT. a device.
  • the embodiments of the present application provide a data transmission device, which can transmit the data of the target user by using the slice instance of the target slice template according to the instruction of the first fixed network device.
  • a data transmission device which can transmit the data of the target user by using the slice instance of the target slice template according to the instruction of the first fixed network device.
  • user data of different SLAs will be transmitted using slice instances of different slice templates, so that user data of different SLAs will be transmitted on different data channels, thus improving the flexibility of data transmission in the fixed network.
  • the slice instance of the target slice template corresponding to the target SLA can achieve the target SLA when transmitting data. Therefore, using the slice instance of the target slice template to transmit the data of the target user can ensure the SLA of the data of the target user.
  • the SLA of various data can be guaranteed, and the flexibility of data transmission can be improved.
  • Embodiments of the present application provide a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed on a computer, the computer is made to execute any of the functions provided by the embodiments of the present application.
  • Data transfer method for controller, OLT or ONT Data transfer method for controller, OLT or ONT.
  • the embodiments of the present application provide a computer program product containing instructions, when the computer program product runs on a computer, the computer program product enables the computer to execute any data for a controller, an OLT or an ONT provided by the embodiments of the present application transfer method.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product comprising one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be downloaded from a website, computer, server, or data
  • the center transmits to another website site, computer, server or data center by wire (eg coaxial cable, optical fiber, digital subscriber line) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes one or more available media integrated.
  • the usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media, or semiconductor media (eg, solid state drives), and the like.
  • first and second etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.
  • the term “at least one” refers to one or more, and “plurality” refers to two or more, unless expressly limited otherwise.
  • the disclosed systems, devices, and apparatuses, etc. may be implemented by other structural manners.
  • the device embodiments described above are only illustrative.
  • the division of units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.
  • Units described as separate components may or may not be physically separated, and components described as units may or may not be physical units, and may be located in one place or distributed to multiple devices. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

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Abstract

本申请公开了一种数据传输方法、设备及系统，属于通信技术领域。所述方法包括：第一固网设备首先确定固网中目标用户的数据的目标服务等级协议SLA，之后，根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板；最后，第一固网设备采用目标切片模板的切片实例传输目标用户的数据。本申请解决了固网中数据传输的灵活性较差的问题，本申请用于固网设备。

Description

数据传输方法、设备及系统
本申请要求于2020年12月30日提交的、申请号为202011606407.0、申请名称为“数据传输方法、设备及系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，特别涉及一种数据传输方法、设备及系统。
背景技术
随着通信技术的发展，固网逐渐走进人们的生活。固网是指固定网络，固网与移动网络不同。
用户终端可以通过多个固网设备(固网中的网络设备)形成的数据通道与服务器进行通信。由于固网设备的性能一旦被配置好便不可更改，因此，多个固网设备形成的数据通道的性能也不可更改，比如，数据通道的时延固定。
但是，用户的各种数据可能对数据通道的性能有不同的要求，但这些数据只能够通过性能固定的数据通道传输，因此，固网中数据传输的灵活性较差。
发明内容
本申请提供了一种数据传输方法、设备及系统，可以解决固网中数据传输的灵活性较差的问题，所述技术方案如下：
第一方面，提供了一种数据传输方法，所述方法包括：第一固网设备首先确定固网中目标用户的数据的目标服务等级协议SLA，之后，根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板；最后，所述第一固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据。
本申请实施例提供的数据传输方法中，第一固网设备根据目标用户的数据的目标SLA，确定了相应地目标切片模板，并采用目标切片模板的切片实例传输该目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
可选地，目标切片模板的切片实例可以包括接口，也可以不包括接口。当目标切片模板的切片实例不包括接口时，第一固网设备在采用目标切片模板的切片实例传输目标用户的数据前，还需要为目标切片模板的切片实例配置接口，比如为该切片实例配置用户侧接口和网络侧接口。其中，用户侧接口可以是切片实例与用户终端连接的接口，网络侧接口可以是切片实例与服务器连接的接口。
第一固网设备在接收到固网中用户终端发送的目标用户的数据后，可以确定该数据的特 征，之后根据该数据的特征确定目标SLA。
一方面，目标用户的数据携带的SLA为目标SLA。需要说明的是，目标用户的数据携带有SLA，该SLA为目标用户的数据要求的SLA。第一固网设备在接收到目标用户的数据后，可以采集该数据所携带的SLA，并将该SLA确定为目标SLA。
另一方面，目标用户的数据的类型对应的SLA为目标SLA。无论目标用户的数据是否携带SLA，第一固网设备在接收到该目标用户的数据后，均可以对目标用户的数据的类型进行识别，之后，第一固网设备再根据数据类型与SLA的对应关系，确定目标用户的数据的类型对应的SLA，并将该SLA确定为目标SLA。需要说明的是，数据类型与SLA的对应关系可以包括多种数据类型和多种SLA，且每种数据类型对应的SLA为：该种数据类型的数据所要求的SLA。
可选地，在所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板之前，所述方法还包括：所述第一固网设备根据用户与SLA的对应关系，确定所述目标用户对应的SLA；在所述目标SLA低于或等于所述目标用户对应的SLA时，所述第一固网设备才根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板。固网设备中创建的每个用户均具有相应地SLA，用户的数据在传输时所达到的SLA不能超过用户对应的SLA。当目标SLA低于或等于目标用户对应的SLA时，说明当前目标用户的数据所要求的SLA(或者目标用户的数据的类型对应的SLA)并未超过目标用户对应的SLA。此时，第一固网设备可以为该目标用户的数据筛选相应地目标切片模板，以便于后续基于目标切片模板传输目标用户的数据。
可选地，当目标SLA高于目标用户对应的SLA时，说明当前目标用户的数据所要求的SLA(或者目标用户的数据的类型对应的SLA)超出了目标用户对应的SLA，此时，第一固网设备不能为用户数据筛选相应地目标切片模板。比如，第一固网设备可以不筛选切片模板，而是直接传输该目标用户的数据；或者，第一固网设备可以在SLA于切片模板的对应关系中，确定对应的SLA低于或等于目标用户对应的SLA的辅助切片模板，并基于辅助切片模板传输目标用户的数据。这样一来，就避免在目标SLA高于目标用户对应的SLA时，为该目标用户的数据筛选相应地目标切片模板而使得目标用户的数据传输时的SLA高于目标用户对应的SLA。
可选地，在所述第一固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据之后，所述方法还包括：在目标时长达到时长阈值时，所述第一固网设备禁止采用所述目标切片模板的切片实例传输所述目标用户的数据；其中，所述目标时长为：所述第一固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长。当目标时长达到时长阈值时，第一固网设备可以确定目标用户暂时没有传输数据的需求，所以，此时，第一固网设备可以将目标用户与目标切片模板的切片实例解绑，比如，可以禁止采用目标切片模板的切片实例传输目标用户的数据。
可选地，所述方法还包括：在目标数量小于数量阈值时，所述第一固网设备删除所述目标切片模板的切片实例；其中，所述目标数量为：所述第一固网设备所采用的所述目标切片模板的切片实例用于传输的数据所对应的用户数量。在目标数量小于数量阈值时，说明目标切片模板的切片实例当前的利用率较低，此时，第一固网设备可以删除目标切片模板的切片实例，以减轻第一固网设备的负载。示例地，该数量阈值可以为1或2等。
可选地，所述第一固网设备与第二固网设备连接，所述方法还包括：在所述第一固网设 备确定所述目标切片模板之后，所述第一固网设备向第二固网设备发送第一控制消息，所述第一控制消息用于指示所述第二固网设备采用所述目标切片模板的另一切片实例传输所述目标用户的数据。由于本申请实施例中第二固网设备中的切片实例是由第一固网设备管理的，因此，在第一固网设备确定需要采用目标切片模板的切片实例传输目标用户的数据时，第一固网设备可以指示第二固网设备也采用目标切片模板的切片实例传输目标用户的数据。
可选地，在所述第一固网设备向第二固网设备发送第一控制消息之后，所述方法还包括：在目标时长达到时长阈值时，所述第一固网设备向所述第二固网设备发送第二控制消息；其中，所述目标时长为：所述第一固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长；所述第二控制消息用于指示所述第二固网设备禁止采用所述目标切片模板的所述另一切片实例传输所述目标用户的数据。由于本申请实施例中第二固网设备中的切片实例是由第一固网设备管理的，因此，在第一固网设备确定需要禁止采用目标切片模板的切片实例传输目标用户的数据时，第一固网设备可以指示第二固网设备也禁止采用目标切片模板的切片实例传输目标用户的数据。
可选地，所述方法还包括：在目标数量小于数量阈值时，所述第一固网设备向所述第二固网设备发送第三控制消息，所述第三控制消息用于指示所述第二固网设备删除所述目标切片模板的所述另一切片实例；其中，所述目标数量为：所述第一固网设备所采用的所述目标切片模板的切片实例用于传输的数据所对应的用户数量。由于本申请实施例中第二固网设备中的切片实例是由第一固网设备管理的，因此，在第一固网设备确定需要删除目标切片模板的切片实例时，第一固网设备可以指示第二固网设备也删除目标切片模板的切片实例。
可选地，所述第一固网设备为：光线路终端OLT或光网络终端ONT中的一个设备，所述第二固网设备为所述OLT和所述ONT中的另一设备。
第二方面，提供了一种数据传输方法，所述方法包括：第一固网设备首先确定固网中目标用户的数据的目标服务等级协议SLA，之后根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板；最后，所述第一固网设备向第二固网设备发送第一控制消息，所述第一控制消息用于指示所述第二固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据。
一方面，所述目标用户的数据携带的SLA为所述目标SLA。
另一方面，所述目标用户的数据的类型对应的SLA为所述目标SLA。
可选地，在所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板之前，所述方法还包括：所述第一固网设备根据用户与SLA的对应关系，确定所述目标用户对应的SLA；在所述目标SLA低于或等于所述目标用户对应的SLA时，所述第一固网设备才根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板。
可选地，在所述第一固网设备向第二固网设备发送第一控制消息之后，所述方法还包括：在目标时长达到时长阈值时，所述第一固网设备向所述第二固网设备发送第二控制消息；其中，所述目标时长为：所述第二固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长；所述第二控制消息用于指示所述第二固网设备禁止采用所述目标切片模板的切片实例传输所述目标用户的数据。
可选地，在所述第一固网设备向所述第二固网设备发送第二控制消息之前，所述方法还包括：所述第一固网设备接收所述第二固网设备发送的时长消息，所述时长消息用于指示所 述目标时长达到时长阈值；所述第一固网设备根据所述时长消息，确定所述目标时长达到所述时长阈值。第二固网设备在采用目标切片模板的切片实例传输目标用户的数据时，需要检测该目标时长。当目标时长达到时长阈值时，第二固网设备可以确定目标用户暂时没有传输数据的需求，所以，此时，第二固网设备可以向第一固网设备发送时长消息，以便于第一固网设备根据该时长消息指示第二固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
可选地，所述方法还包括：在目标数量小于数量阈值时，所述第一固网设备向所述第二固网设备发送第三控制消息，所述第三控制消息用于指示所述第二固网设备删除所述目标切片模板的切片实例；其中，所述目标数量为：所述第二固网设备所采用的所述目标切片模板的切片实例用于传输的数据所对应的用户数量。
可选地，所述第一固网设备为：控制器，所述第二固网设备为：OLT或ONT。
第三方面，提供了一种数据传输方法，所述方法包括：第二固网设备接收第一固网设备发送的第一控制消息，之后，所述第二固网设备根据所述第一控制消息，采用目标切片模板的切片实例传输目标用户的数据。
可选地，在所述第二固网设备根据所述第一控制消息，采用目标切片模板的切片实例传输目标用户的数据之后，所述方法还包括：所述第二固网设备接收所述第一固网设备发送的第二控制消息，之后，所述第二固网设备根据所述第二控制消息，禁止采用所述目标切片模板的切片实例传输所述目标用户的数据。
可选地，在所述第二固网设备接收所述第一固网设备发送的第二控制消息之前，所述方法还包括：在目标时长达到时长阈值时，所述第二固网设备向所述第一固网设备发送时长消息，所述时长消息用于指示：所述目标时长达到所述时长阈值；其中，所述目标时长为：所述第二固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长。
可选地，所述方法还包括：所述第二固网设备接收所述第一固网设备发送的第三控制消息；所述第二固网设备根据所述第三控制消息，删除所述目标切片模板的切片实例。
可选地，所述第一固网设备为：控制器，所述第二固网设备为：OLT或ONT；或者，所述第一固网设备为：所述OLT和ONT中的一个设备，所述第二固网设备为所述OLT和所述ONT中的另一设备。
第四方面，提供了一种固网设备，所述固网设备包括：用于执行第一方面提供的任一种数据传输方法的各个模块。
第五方面，提供了一种固网设备，所述固网设备包括：用于执行第二方面提供的任一种数据传输方法的各个模块。
第六方面，提供了一种固网设备，所述固网设备包括：用于执行第三方面提供的任一种数据传输方法的各个模块。
第七方面，提供了一种固网设备，所述固网设备包括：处理器和存储器；所述处理器用于执行所述存储器中存储的程序，以实现第一方面、第二方面和第三方面提供的任一种数据传输方法。
第八方面，提供了一种固网通信系统，所述固网通信系统包括：第一固网设备；所述第一固网设备为第四方面或第五方面提供的任一种数据传输设备。
可选地，所述固网通信系统还包括：第二固网设备；所述第二固网设备为第六方面提供 的任一种数据传输设备。
第九方面，提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在计算机上运行时，使得计算机执行如第一方面、第二方面或第三方面提供的任一种数据传输方法。
第十方面，提供了一种包含指令的计算机程序产品，当所述计算机程序产品在计算机上运行时，使得计算机执行如第一方面、第二方面或第三方面提供的任一种数据传输方法。
上述第一方面至第十方面中相应方案的效果可以相互参考，本申请在此不做赘述。
附图说明
图1为本申请实施例提供的一种固网通信系统的结构示意图；
图2为本申请实施例提供的另一种固网通信系统的结构示意图；
图3为本申请实施例提供的一种固网设备的结构示意图；
图4为本申请实施例提供的一种数据传输方法的流程图；
图5为本申请实施例提供的一种传输路径的示意图；
图6为本申请实施例提供的另一种数据传输方法的流程图；
图7为本申请实施例提供的另一种数据传输方法的流程图；
图8为本申请实施例提供的一种数据传输设备的结构示意图；
图9为本申请实施例提供的另一种数据传输设备的结构示意图；
图10为本申请实施例提供的另一种数据传输设备的结构示意图。
具体实施方式
为使本申请的原理和技术方案更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
图1为本申请实施例提供的一种固网通信系统的结构示意图，如图1所示，该固网通信系统可以是一种固网通信系统，该固网通信系统包括多个固网设备，比如图1中的光线路终端(optical line terminal，OLT)01和光网络终端(optical network terminal，ONT)02。
可选地，固网通信系统中还可以存在除OLT和ONT之外的固网设备，本申请实施例对此不作限定。比如，如图1所示，固网通信系统还可以包括用户终端03和服务器(图1中未示出)，用户终端03依次通过ONT 01和OLT 02连接至服务器。固网通信系统还可以包括宽带网络业务网关(broadband network gateway，BNG)(图1中也未示出)，OLT 02和服务器之间可以通过BNG连接。
图2为本申请实施例提供的另一种固网通信系统的结构示意图，如图2所示，在图1所示的固网通信系统的基础上，该固网通信系统还可以包括：控制器04。该控制器04可以与OLT 01或者ONT 02连接，图2中以控制器04与OLT 01连接为例。该控制器04可以是任意一种控制器，比如软件定义网络(software-defined networking，SDN)控制器。
固网通信系统中的固网设备可以包括：处理器；处理器用于与存储器耦合，并读取存储器中的指令之后，根据指令执行如本申请实施例描述的由固网设备执行的方法。其中，处理器的个数可以为多个，与处理器耦合的存储器可以独立于处理器之外或独立于固网设备之外，也可以在处理器或固网设备之内。存储器可以是物理上独立的单元，也可以是云服务器上的存储空间或网络硬盘等。可选地，存储器可以为一个或多个。当存储器的个数为多个时，可 以位于相同的或不同的位置，并且可以独立或配合使用。示例性地，当存储器位于固网设备内部时，请参考图3，图3为本申请实施例提供的一种固网设备的结构示意图。该固网设备200包括：处理器202和存储器201，其中，存储器201用于存储程序，处理器202用于调用存储器201中存储的程序，以使得该固网设备执行相应的方法或功能。可选地，如图2所示，该固网设备200还可以包括至少一个通信接口203和至少一个通信总线204。存储器201、处理器202以及通信接口203通过通信总线204通信连接。其中，通信接口203用于在处理器202的控制下与其他设备通信，处理器202可以通过通信总线204调用存储器201中存储的程序。
在固网通信系统中，用户终端03可以通过固网设备(如OLT和ONT)形成的数据通道与服务器进行通信。用户终端03需传输的用户的不同数据对数据通道的性能有不同的要求，但是，固网设备的性能一旦被配置好便不可更改，因此，用户的不同数据只能够通过性能固定的数据通道传输。比如，某一用户的数据中，一种数据要求时延小于20毫秒，而另一种数据要求时延小于80毫秒，而在固网通信系统中，这两种数据均通过相同的数据通道传输。可见，固网中数据传输的灵活性较差。
本申请实施例提供了一种数据传输方法，该数据传输方法能够能够根据数据的服务等级协议(Service Level Agreement，SLA)，在固网设备中采用相应地切片实例来传输数据，从而解决固网中数据传输的灵活性较差的问题。
示例地，图4为本申请实施例提供的一种数据传输方法的流程图，该数据传输方法可以用于第一固网设备，该第一固网设备可以是图1或图2所示的固网通信系统中的OLT 01或ONT 02。如图4所示，该数据传输方法可以包括：
步骤401、第一固网设备确定固网中目标用户的数据的目标SLA。
第一固网设备在接收到固网中用户终端发送的目标用户的数据后，可以确定该数据的特征，之后根据该数据的特征确定目标SLA。
一方面，目标用户的数据携带的SLA为目标SLA。目标用户的数据携带有SLA，该SLA为目标用户的数据要求的SLA。第一固网设备在接收到目标用户的数据后，可以采集该数据所携带的SLA，并将该SLA确定为目标SLA。
另一方面，目标用户的数据的类型对应的SLA为目标SLA。无论目标用户的数据是否携带SLA，第一固网设备在接收到该目标用户的数据后，均可以对目标用户的数据的类型进行识别，之后，第一固网设备再根据数据类型与SLA的对应关系，确定目标用户的数据的类型对应的SLA，并将该SLA确定为目标SLA。需要说明的是，数据类型与SLA的对应关系可以包括多种数据类型和多种SLA，且每种数据类型对应的SLA为：该种数据类型的数据所要求的SLA。
可选地，第一固网设备对目标用户的数据的类型进行识别时，可以采用人工智能(artificial intelligence，AI)模块进行识别。又可选地，目标用户的数据的类型可以与应用(或应用的类型)相关，不同的应用的数据的类型不同。
步骤402、第一固网设备根据用户与SLA的对应关系，确定目标用户对应的SLA。
固网设备中创建的每个用户均具有相应地SLA，用户的数据在传输时所达到的SLA不能超过用户对应的SLA。
第一固网设备在接收到目标用户的数据后，还需要确定该目标用户对应的SLA。比如，目标用户的数据携带有目标用户的标识，第一固网设备可以根据目标用户的标识，确定目标 用户，以及目标用户对应的SLA。
步骤403、在目标SLA低于或等于目标用户对应的SLA时，第一固网设备根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板。
第一固网设备在确定目标SLA和目标用户对应的SLA后，可以判断目标SLA是否高于目标用户对应的SLA。当目标SLA低于或等于目标用户对应的SLA时，说明当前目标用户的数据所要求的SLA(或者目标用户的数据的类型对应的SLA)并未超过目标用户对应的SLA。此时，第一固网设备可以为该目标用户的数据筛选相应地目标切片模板，以便于后续基于目标切片模板传输目标用户的数据。
数据的SLA与切片模板的对应关系中，每个切片模板的切片实例在传输数据时能够达到该切片模板对应的SLA。因此，第一固网设备根据数据的SLA与切片模板的对应关系，确定出的目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，目标切片模板的切片实例能够满足目标用户的数据的SLA要求。
切片模板包含创建切片实例所需的信息，根据切片模板能够在固网设备中创建切片实例。切片实例包含用于传输数据的资源，以及传输数据的方式相关的信息。比如，切片实例包含：转发资源(如流量管理(Traffic Management，TM)资源)、接口资源、数据在接口上的入队优先级、资源单元的预留方式(如独享或者共享)等。
需要说明的是，当目标SLA高于目标用户对应的SLA时，说明当前目标用户的数据所要求的SLA(或者目标用户的数据的类型对应的SLA)超出了目标用户对应的SLA，此时，第一固网设备不能为用户数据筛选相应地目标切片模板。比如，第一固网设备可以不筛选切片模板，而是直接传输该目标用户的数据；或者，第一固网设备可以在SLA于切片模板的对应关系中，确定对应的SLA低于或等于目标用户对应的SLA的辅助切片模板，并基于辅助切片模板传输目标用户的数据。这样一来，就避免在目标SLA高于目标用户对应的SLA时，为该目标用户的数据筛选相应地目标切片模板而使得目标用户的数据传输时的SLA高于目标用户对应的SLA。
例如，假设数据的SLA与切片模板的对应关系如表1所示，若目标SLA为SLA 1，且目标用户对应的SLA为SLA 1，那么第一固网设备可以确定目标SLA等于目标用户对应的SLA，第一固网设备可以根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板为切片模板A。若目标SLA为SLA 1，且目标用户对应的SLA为SLA 2，那么第一固网设备可以确定目标SLA高于目标用户对应的SLA，第一固网设备可以不筛选切片模板，而是直接传输该目标用户的数据；或者，第一固网设备可以根据数据的SLA与切片模板的对应关系，确定辅助切片模板为切片模板B。
表1
SLA 切片模板
1 A
2 B
3 C
可选地，当目标SLA高于目标用户对应的SLA时，若固网通信系统包括控制器，则第一固网设备还可以向控制器发送告警消息，该告警消息用于指示：目标SLA高于目标用户对于的SLA。
步骤404、第一固网设备采用目标切片模板的切片实例传输目标用户的数据。
第一固网设备在确定目标切片模板后，可以检测是否已经创建了目标切片模板的切片实例，如果已经创建了该切片实例，那么第一固网设备可以直接采用该切片实例传输目标用户的数据即可。如果并未创建该切片实例，那么第一固网设备可以根据目标切片模板创建该切片实例，再采用该切片实例传输目标用户的数据。
由于目标切片模板的切片实例在传输目标用户的数据时，能够达到目标切片模板对应的目标SLA，目标用户的数据对SLA的需求为目标SLA，因此，第一固网设备采用目标切片模板的切片实例传输目标用户的数据，能够满足目标用户的数据对SLA的需求。
可选地，目标切片模板的切片实例可以包括接口，也可以不包括接口。当目标切片模板的切片实例不包括接口时，第一固网设备在采用目标切片模板的切片实例传输目标用户的数据前，还需要为目标切片模板的切片实例配置接口，比如为该切片实例配置用户侧接口和网络侧接口。其中，用户侧接口可以是切片实例与用户终端连接的接口，网络侧接口可以是切片实例与服务器连接的接口。
示例地，第一固网设备可以采集目标用户的数据中的五元组，并基于该五元组配置用户侧接口和网络侧接口。其中，五元组包括：源网际互连协议(Internet Protocol，IP)地址、源端口、目的IP地址、目的端口和传输层协议。
当第一固网设备为OLT时，第一固网设备的网络侧接口为上行接口(比如OLT到BNG的接口)，用户侧接口为GEMPORT(一种基于GEM(一种GPON的封装方式)的逻辑端口)或者逻辑链路标识(Logical Link Identifier，LLID)接口，其中，GPON为一种无源光网络技术；当第一固网设备为ONT时，第一固网设备的网络侧接口为GEMPORT或者LLID，用户侧接口为无线网络(Wireless Local Area Networks，WIFI)接口或者以太网接口。其中，上行接口是逻辑接口，包括二层的虚拟局域网(Virtual Local Area Network，VLAN)接口、三层路由接口或者隧道等，隧道可以是虚拟扩展局域网(Virtual Extensible Local Area Network，VXLAN)隧道、SRv6(基于互联网协议第6版的分段路由)隧道等。上行接口也可以是物理接口，如以太网口、灵活以太(Flexible Ethernet，Flex-E)接口、光传送网(optical transport network，OTN)接口等。
需要说明的是，若第一固网设备在步骤403中确定出了辅助切片模板，那么在步骤404中第一固网设备可以采用该辅助切片模板的切片实例传输目标用户的数据。
步骤405、在目标时长达到时长阈值时，第一固网设备禁止采用目标切片模板的切片实例传输目标用户的数据，其中，目标时长为：第一固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长。
第一固网设备在采用目标切片模板的切片实例传输目标用户的数据时，需要检测该目标时长。当目标时长达到时长阈值时，第一固网设备可以确定目标用户暂时没有传输数据的需求，所以，此时，第一固网设备可以将目标用户与目标切片模板的切片实例解绑，比如，可以禁止采用目标切片模板的切片实例传输目标用户的数据。
需要说明的是，若第一固网设备在步骤403中确定出了辅助切片模板，那么在步骤405中第一固网设备可以检测辅助切片模板的切片实例停止传输目标用户的数据的持续时长，并在该持续时长达到时长阈值时，禁止采用该辅助切片模板的切片实例传输目标用户的数据。
步骤406、在目标数量小于数量阈值时，第一固网设备删除目标切片模板的切片实例，其中，目标数量为：第一固网设备所采用的目标切片模板的切片实例用于传输的数据所对应 的用户数量。
第一固网设备可以统计每个切片实例用于传输的数据所对应的用户数量。示例地，第一固网设备在创建目标切片模板的切片实例后，若采用目标切片模板的切片实例传输目标用户的数据，则第一固网设备可以确定目标切片模板的切片实例用于传输的数据所对应的用户数量为1。之后，若还有其他用户的数据也采用该目标切片模板的切片实例传输，那么第一固网设备可以相应地增加目标切片模板的切片实例用于传输的数据所对应的用户数量。比如，假设目标切片模板的切片实例用于传输用户1、用户2和用户3的数据，那么目标切片模板的切片实例用于传输的数据对应的用户数量为3。
在目标数量小于数量阈值时，说明目标切片模板的切片实例当前的利用率较低，此时，第一固网设备可以删除目标切片模板的切片实例，以减轻第一固网设备的负载。示例地，该数量阈值可以为1或2等。
需要说明的是，若第一固网设备在步骤403中确定出了辅助切片模板，那么在步骤406中第一固网设备可以检测辅助切片模板的切片实例用于传输的数据所对应的用户数量，并在该用户数量达到时长阈值时，删除该辅助切片模板的切片实例。
综上所述，本申请实施例提供的数据传输方法中，第一固网设备根据目标用户的数据的目标SLA，确定了相应地目标切片模板，并采用目标切片模板的切片实例传输该目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
以上实施例中，OLT和ONT均可以是第一固网设备，这样一来，在OLT和ONT均采用图4所示的数据传输方法传输目标用户的数据时，如图5所示，相当于目标用户的数据在固网通信系统中存在一个传输路径，该传输路径依次经过ONT中的切片实例和OLT中的切片实例。
对于OLT和ONT中的每个设备而言，OLT和ONT中的另一设备可以称为第二固网设备。
可选地，第一固网设备在确定目标切片模板后，可以向第二固网设备发送第一通知消息，该第一通知消息用于通知：第一固网设备采用目标切片模板的切片实例传输目标用户的数据。
又可选地，第一固网设备在禁止采用目标切片模板的切片实例传输目标用户的数据时，可以向该第二固网设备发送第二通知消息，该第二通知消息用于通知：第一固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
再可选地，第一固网设备在删除目标切片模板的切片实例时，可以向第二固网设备发送第三通知消息，该第三通知消息用于通知：第一固网设备删除目标切片模板的切片实例。
由于OLT和ONT中的每个设备在执行图3所示的数据传输方法的过程中，还可以向另一设备发送这些通知消息，以便于OLT和ONT中的每个设备根据另一设备发送的这些通知消息统一操作。
当第一固网设备为OLT和ONT中的一个设备，且OLT和ONT中的另一设备并非第一固网设备时，该另一设备称为第二固网设备，第一固网设备与第二固网设备连接。本申请实 施例提供了另一种数据传输方法，该数据传输方法可以用于图1或图2所示的固网通信系统。如图6所示，该数据传输方法可以包括：
步骤601、第一固网设备确定固网中目标用户的数据的目标SLA。
步骤601可以参考步骤401，本申请实施例在此不做赘述。
可选地，当步骤601中第一固网设备根据目标用户的数据的类型，以及数据类型与SLA的对应关系，确定目标SLA，那么第一固网设备需要确定目标用户的数据的类型。示例地，第一固网设备在确定目标用户的数据的类型时，可以自行确定目标用户的数据的第一类型，以及接收第二固网设备确定的目标用户的数据的第二类型，继而根据该第一类型和第二类型确定出目标用户的数据的类型。这种情况下，第二固网设备需要确定目标用户的数据的第二类型，并向第一固网设备发送该第二类型。
步骤602、第一固网设备根据用户与SLA的对应关系，确定目标用户对应的SLA。
步骤602可以参考步骤402，本申请实施例在此不做赘述。
步骤603、在目标SLA低于或等于目标用户对应的SLA时，第一固网设备根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板。
步骤603可以参考步骤403，本申请实施例在此不做赘述。
步骤604、第一固网设备采用目标切片模板的切片实例传输目标用户的数据。
步骤604可以参考步骤404，本申请实施例在此不做赘述。
步骤605、第一固网设备向第二固网设备发送第一控制消息，第一控制消息用于指示第二固网设备采用目标切片模板的另一切片实例传输目标用户的数据。
需要说明的是，步骤604中第一固网设备所采用的切片实例属于第一固网设备，步骤605中第一控制消息所指示第二固网设备所采用的切片实例属于第二固网设备。这两个切片实例均为目标切片模板的切片实例，但这两个切片实例不同。
本申请实施例中，第一固网设备对第一固网设备和第二固网设备中的切片实例均进行管理，第一固网设备能够确定第一固网设备传输目标用户的数据的切片实例，以及指示第二固网设备采用某一切片实例传输目标用户的数据。
步骤606、第二固网设备根据该第一控制消息采用目标切片模板的切片实例传输目标用户的数据。
示例地，上述第一控制消息可以包含目标切片模板和目标用户的标识，第二固网设备可以根据该目标切片模板确定目标切片模板的切片实例(比如查找该切片实例或创建该切片实例)，进而根据该切片实例传输目标用户的数据。
又示例地，上述第一控制消息可以包含目标切片模板的标识，以及目标用户的标识。第二固网设备中可以存储有多个切片模板，第二固网设备可以根据该目标切片模板的标识在该多个切片模板中查找目标切片模板，进而根据目标切片模板确定目标切片模板的切片实例，再采用该切片实例传输目标用户的数据。
再示例地，上述第一控制消息可以包含第二固网设备中目标切片模板的切片实例的信息，以及目标用户的标识，第二固网设备可以直接根据该切片实例的信息，采用该切片实例传输目标用户的数据。
可见，本申请实施例中，第一固网设备不仅可以管理第一固网设备中的切片实例(比如创建切片实例，以及采用切片实例传输目标用户的数据)，第一固网设备还可以管理第二固网设备中的切片实例。第二固网设备可以是在第一固网设备的控制下，采用目标切片模板的 切片实例传输数据。
可选地，当切片实例不包括接口时，第二固网设备还可以为目标切片模板的切片实例配置接口，或者，第一固网设备还可以确定第二固网设备中目标切片模板的切片实例的接口，并指示第二固网设备配置该接口。第二固网设备配置目标切片模板的切片实例的接口的过程，可以参考第一固网设备配置目标切片模板的切片实例的接口的过程，本申请实施例在此不做赘述。
步骤607、在目标时长达到时长阈值时，第一固网设备禁止采用目标切片模板的切片实例传输目标用户的数据，其中，目标时长为：第一固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长。
步骤607中第一固网设备需要禁止采用的目标切片模板的切片实例为：步骤604中第一固网设备所采用的目标切片模板的切片实例。
步骤607可以参考步骤405，本申请实施例在此不做赘述。
步骤608、在目标时长达到时长阈值时，第一固网设备向第二固网设备发送第二控制消息，第二控制消息用于指示第二固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
步骤608中第一固网设备指示第二固网设备需要禁止采用的目标切片模板的切片实例为：步骤605中第一固网设备指示第二固网设备所采用的目标切片模板的切片实例。
第一固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长为目标时长，目标时长与第二固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长相同。因此，当第一固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长达到时长阈值时，第一固网设备可以确定第二固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长也达到时长阈值。此时，第一固网设备可以向第二固网设备发送第二控制消息，以指示第二固网设备也禁止采用目标切片模板的切片实例传输目标用户的数据。
可见，本申请实施例中第二固网设备中的切片实例是由第一固网设备管理的，因此，在第一固网设备确定需要禁止采用目标切片模板的切片实例传输目标用户的数据时，第一固网设备可以指示第二固网设备也禁止采用目标切片模板的切片实例传输目标用户的数据。
步骤609、第二固网设备根据第二控制消息，禁止采用目标切片模板的切片实例传输目标用户的数据。
步骤609中第二固网设备禁止采用的目标切片模板的切片实例为：步骤606中第二固网设备所采用的目标切片模板的切片实例。
步骤610、在目标数量小于数量阈值时，第一固网设备删除目标切片模板的切片实例，其中，目标数量为：第一固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量。
步骤610中第一固网设备需要删除的目标切片模板的切片实例为：步骤604中第一固网设备所采用的目标切片模板的切片实例。
步骤610可以参考步骤406，本申请实施例在此不做赘述。
步骤611、在目标数量小于数量阈值时，第一固网设备向第二固网设备发送第三控制消息，第三控制消息用于指示第二固网设备删除目标切片模板的切片实例。
步骤611中第一固网设备指示第二固网设备删除的目标切片模板的切片实例为：步骤605 中第一固网设备指示第二固网设备所采用的目标切片模板的切片实例。
第一固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量为目标数量。由于目标数量与第二固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量相同，因此，当第一固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量小于数量阈值时，第一固网设备可以确定第二固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量也小于数量阈值。此时，第一固网设备可以向第二固网设备发送第三控制消息，以指示第二固网设备也删除目标切片模板的切片实例。
可见，本申请实施例中第二固网设备中的切片实例是由第一固网设备管理的，因此，在第一固网设备确定需要删除第一固网设备中目标切片模板的切片实例时，第一固网设备可以指示第二固网设备也删除第二固网设备中目标切片模板的切片实例。
步骤612、第二固网设备根据第三控制消息，删除目标切片模板的切片实例。
可选地，第一固网设备向第二固网设备发送的消息(如上述第一控制消息、第二控制消息、第三控制消息)均可以是光网络单元管理控制接口(Optical Network Unit Management and Control Interface，OMCI)消息。
综上所述，本申请实施例提供的数据传输方法中，第一固网设备根据目标用户的数据的目标SLA，确定了相应地目标切片模板，并采用目标切片模板的切片实例传输该目标用户的数据，以及控制第二固网设备也采用目标切片模板的切片实例传输目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
基于图2所示的固网通信系统，本申请实施例提供了另一种数据传输方法，该数据传输方法与图2所示的固网通信系统中的第一固网设备和第二固网设备相关，其中，第一固网设备与第二固网设备连接，第一固网设备可以是控制器04，第二固网设备可以是OLT 01或ONT02。如图7所示，该数据传输方法可以包括：
步骤701、第一固网设备确定固网中目标用户的数据的目标SLA。
步骤701可以参考步骤401，本申请实施例在此不做赘述。
第一固网设备为控制器时，若目标用户的数据中携带有SLA，则第二固网设备可以将该SLA发送至控制器，以便于控制器根据该SLA确定目标SLA。或者，无论目标用户的数据是否携带SLA，第二固网设备均可以对目标用户的数据的类型进行识别，之后，第二固网设备可以将识别出的类型发送至控制器，以便于控制器根据该类型，以及数据类型和SLA的对应关系，确定出目标SLA。
步骤702、第一固网设备根据用户与SLA的对应关系，确定目标用户对应的SLA。
步骤702可以参考步骤402，本申请实施例在此不做赘述。
步骤703、在目标SLA低于或等于目标用户对应的SLA时，第一固网设备根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板。
步骤703可以参考步骤403，本申请实施例在此不做赘述。
步骤704、第一固网设备向第二固网设备发送第一控制消息，第一控制消息用于指示第二固网设备采用目标切片模板的切片实例传输目标用户的数据。
步骤705、第二固网设备根据该第一控制消息采用目标切片模板的切片实例传输目标用户的数据。
步骤704可以参考步骤605，步骤705可以参考步骤606，本申请实施例在此不做赘述。
当第一固网设备为控制器时，若切片实例不包括接口，则第二固网设备还需要为目标切片模板的切片实例配置接口，第二固网设备配置目标切片模板的切片实例的接口的过程，可以参考第一固网设备配置目标切片模板的切片实例的接口的过程，本申请实施例在此不做赘述。
或者，当第一固网设备为控制器时，若切片实例不包括接口，则控制器还可以确定第二固网设备中目标切片模板的切片实例的接口，并指示第二固网设备配置该接口。可选地，第二固网设备可以向控制器发送目标用户的数据中的五元组，以便于控制器基于该五元组确定第二固网设备中目标切片模板的切片实例的接口。
步骤706、在目标时长达到时长阈值时，第二固网设备向第一固网设备发送时长消息，时长消息用于指示：目标时长达到时长阈值，目标时长为：第二固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长。
第二固网设备在采用目标切片模板的切片实例传输目标用户的数据时，需要检测该目标时长。当目标时长达到时长阈值时，第二固网设备可以确定目标用户暂时没有传输数据的需求，所以，此时，第二固网设备可以向第一固网设备发送时长消息，以便于第一固网设备根据该时长消息指示第二固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
步骤707、第一固网设备根据时长消息，确定目标时长达到时长阈值。
步骤708、第一固网设备向第二固网设备发送第二控制消息，其中，第二控制消息用于指示第二固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
步骤709、第二固网设备根据第二控制消息，禁止采用目标切片模板的切片实例传输目标用户的数据。
步骤708可以参考步骤608，步骤709可以参考步骤609，本申请实施例在此不做赘述。
步骤710、在目标数量小于数量阈值时，第一固网设备向第二固网设备发送第三控制消息，其中，目标数量为：第二固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量，第三控制消息用于指示第二固网设备删除目标切片模板的切片实例。
由于第二固网设备采用目标切片模板的切片实例传输数据是被第一固网设备控制的，因此，第一固网设备能够统计第二固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量，所以，第一固网设备能够确定上述目标数量。第一固网设备可以将该目标数量与数量阈值进行比较，以确定是否需要向第二设备发送第三控制消息。
步骤711、第二固网设备根据第三控制消息，删除目标切片模板的切片实例。
步骤710可以参考步骤611，步骤711可以参考步骤612，本申请实施例在此不做赘述。
综上所述，本申请实施例提供的数据传输方法中，第一固网设备根据目标用户的数据的目标SLA，确定了相应地目标切片模板，并控制第二固网设备采用目标切片模板的切片实例传输该目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的 灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
可选地，本申请实施例提供的固网通信系统中的ONT也可以换为光网络单元(Optical Network Unit，ONU)，本申请实施例提供的数据传输方法中的ONT也可以换为ONU，本申请实施例对此不作限定。
本申请实施例中，第一固网设备与第二固网设备之间的通信，可以是直接通信，也可以是第一固网设备和第二固网设备通过其他设备进行通信，本申请实施例对此不做限定。
以上实施例中结合图1至图7介绍了本申请实施例提供的数据传输方法，以下将结合图8至图10介绍本申请实施例提供的各个固网设备。
示例地，图8为本申请实施例提供的另一种数据传输设备的结构示意图，该数据传输设备可以用于第一固网设备，该第一固网设备可以为图1或图2所示的固网通信系统中的OLT或ONT。如图8所示，该数据传输设备包括：
第一确定模块801，用于确定固网中目标用户的数据的目标服务等级协议SLA。
第二确定模块802，用于根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板；
传输模块803，用于采用目标切片模板的切片实例传输目标用户的数据。
可选地，目标用户的数据携带的SLA为目标SLA。
可选地，目标用户的数据的类型对应的SLA为目标SLA。
可选地，数据传输设备还包括：
第三确定模块(图8未示出)，用于根据用户与SLA的对应关系，确定目标用户对应的SLA；
第二确定模块802用于在目标SLA低于或等于目标用户对应的SLA时，根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板。
可选地，数据传输设备还包括：
禁止模块(图8未示出)，用于在目标时长达到时长阈值时，禁止采用目标切片模板的切片实例传输目标用户的数据；其中，目标时长为：第一固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长。
可选地，数据传输设备还包括：
删除模块(图8未示出)，用于在目标数量小于数量阈值时，删除目标切片模板的切片实例；其中，目标数量为：第一固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量。
可选地，所述第一固网设备与第二固网设备连接，数据传输设备还包括：
第一发送模块(图8未示出)，用于在确定目标切片模板之后，向第二固网设备发送第一控制消息，第一控制消息用于指示第二固网设备采用目标切片模板的另一切片实例传输目标用户的数据。
可选地，数据传输设备还包括：
第二发送模块(图8未示出)，用于在目标时长达到时长阈值时，向第二固网设备发送第二控制消息；其中，目标时长为：第一固网设备所采用的目标切片模板的所述另一切片实例停止传输目标用户的数据的持续时长；第二控制消息用于指示第二固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
可选地，数据传输设备还包括：
第三发送模块(图8未示出)，用于在目标数量小于数量阈值时，向第二固网设备发送第三控制消息，第三控制消息用于指示第二固网设备删除目标切片模板的所述另一切片实例；其中，目标数量为：第一固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量。
可选地，所述数据传输设备为：光线路终端OLT或光网络终端ONT中的一个设备，第二固网设备为OLT和ONT中的另一设备。
综上所述，本申请实施例提供了一种数据传输设备，该数据传输设备根据目标用户的数据的目标SLA，确定了相应地目标切片模板，并采用目标切片模板的切片实例传输该目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
示例地，图9为本申请实施例提供的另一种数据传输设备的结构示意图，该数据传输设备可以用于第一固网设备，该第一固网设备可以为图2所示的固网通信系统中的控制器。如图9所示，该数据传输设备包括：
第一确定模块901，用于确定固网中目标用户的数据的目标服务等级协议SLA；
第二确定模块902，用于根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板；
第一发送模块903，用于向第二固网设备发送第一控制消息，第一控制消息用于指示第二固网设备采用目标切片模板的切片实例传输目标用户的数据。
可选地，目标用户的数据携带的SLA为目标SLA。
可选地，目标用户的数据的类型对应的SLA为目标SLA。
可选地，数据传输设备还包括：第三确定模块(图9未示出)，用于根据用户与SLA的对应关系，确定目标用户对应的SLA；第二确定模块902用于在目标SLA低于或等于目标用户对应的SLA时，根据数据的SLA与切片模板的对应关系，确定目标SLA对应的目标切片模板。
可选地，数据传输设备还包括：第二发送模块(图9未示出)，用于在目标时长达到时长阈值时，向第二固网设备发送第二控制消息；其中，目标时长为：第二固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长；第二控制消息用于指示第二固网设备禁止采用目标切片模板的切片实例传输目标用户的数据。
可选地，数据传输设备还包括：第一接收模块(图9未示出)，用于接收第二固网设备发送的时长消息，时长消息用于指示目标时长达到时长阈值；第四确定模块(图9未示出)， 用于根据时长消息，确定目标时长达到时长阈值。
可选地，数据传输设备还包括：第三发送模块(图9未示出)，用于在目标数量小于数量阈值时，向第二固网设备发送第三控制消息，第三控制消息用于指示第二固网设备删除目标切片模板的切片实例；其中，目标数量为：第二固网设备所采用的目标切片模板的切片实例用于传输的数据所对应的用户数量。
可选地，数据传输设备为：控制器，第二固网设备为：光线路终端OLT或光网络终端ONT。
综上所述，本申请实施例提供了一种数据传输设备，该数据传输设备根据目标用户的数据的目标SLA，确定了相应地目标切片模板，并控制第二固网设备采用目标切片模板的切片实例传输该目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
示例地，图10为本申请实施例提供的另一种数据传输设备的结构示意图，该数据传输设备可以用于第二固网设备，该第二固网设备可以为图1或图2所示的固网通信系统中的OLT或ONT。如图10所示，该数据传输设备包括：
第一接收模块1001，用于接收第一固网设备发送的第一控制消息；
传输模块1002，用于根据第一控制消息，采用目标切片模板的切片实例传输目标用户的数据。
可选地，数据传输设备还包括：第二接收模块(图10未示出)，用于接收第一固网设备发送的第二控制消息；禁止模块(图10未示出)，用于根据第二控制消息，禁止采用目标切片模板的切片实例传输目标用户的数据。
可选地，数据传输设备还包括：第一发送模块(图10未示出)，用于在目标时长达到时长阈值时，向第一固网设备发送时长消息，时长消息用于指示：目标时长达到时长阈值；其中，目标时长为：第二固网设备所采用的目标切片模板的切片实例停止传输目标用户的数据的持续时长。
可选地，数据传输设备还包括：第三接收模块(图10未示出)，用于接收第一固网设备发送的第三控制消息；删除模块(图10未示出)，用于根据第三控制消息，删除目标切片模板的切片实例。
可选地，数据传输设备为：控制器，第二固网设备为：OLT或ONT；或者，数据传输设备为：OLT和ONT中的一个设备，第二固网设备为OLT和ONT中的另一设备。
综上所述，本申请实施例提供了一种数据传输设备，该数据传输设备能够根据第一固网设备的指示，采用目标切片模板的切片实例传输该目标用户的数据。这样一来，不同SLA的用户数据会采用不同的切片模板的切片实例传输，使得不同SLA的用户数据在不同的数据通道上传输，因此，提升了固网中数据传输的灵活性。
并且，目标SLA对应的目标切片模板的切片实例在传输数据时，能够达到目标SLA。因此，采用目标切片模板的切片实例传输目标用户的数据，能够保证目标用户的数据的SLA。 采用本申请实施例提供的数据传输方法，能够保证各种数据的SLA，并且能够提升数据传输的灵活性。
本申请实施例提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在计算机上运行时，使得计算机执行如本申请实施例提供的任一种用于控制器、OLT或ONT的数据传输方法。
本申请实施例提供了一种包含指令的计算机程序产品，当所述计算机程序产品在计算机上运行时，使得计算机执行如本申请实施例提供的任一种用于控制器、OLT或ONT的数据传输方法。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现，所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机的可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线)或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质，或者半导体介质(例如固态硬盘)等。
在本申请中，术语“第一”和“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性。术语“至少一个”指一个或多个，“多个”指两个或两个以上，除非另有明确的限定。
本申请实施例提供的方法实施例和装置实施例等不同类型的实施例均可以相互参考，本申请实施例对此不做限定。本申请实施例提供的方法实施例操作的先后顺序能够进行适当调整，操作也能够根据情况进行相应增减，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化的方法，都应涵盖在本申请的保护范围之内，因此不再赘述。
在本申请提供的相应实施例中，应该理解到，所揭露的系统、设备和装置等可以通过其它的构成方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。
作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元描述的部件可以是或者也可以不是物理单元，既可以位于一个地方，或者也可以分布到多个设备上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应 以权利要求的保护范围为准。

Claims (30)

  1. 一种数据传输方法，其特征在于，所述方法包括：
    第一固网设备确定固网中目标用户的数据的目标服务等级协议SLA；
    所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板；
    所述第一固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据。
  2. 根据权利要求1所述的方法，其特征在于，所述目标用户的数据携带的SLA为所述目标SLA。
  3. 根据权利要求1所述的方法，其特征在于，所述目标用户的数据的类型对应的SLA为所述目标SLA。
  4. 根据权利要求1至3任一所述的方法，其特征在于，在所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板之前，所述方法还包括：
    所述第一固网设备根据用户与SLA的对应关系，确定所述目标用户对应的SLA；
    所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板，包括：
    在所述目标SLA低于或等于所述目标用户对应的SLA时，所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板。
  5. 根据权利要求1至4任一所述的方法，其特征在于，在所述第一固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据之后，所述方法还包括：
    在目标时长达到时长阈值时，所述第一固网设备禁止采用所述目标切片模板的切片实例传输所述目标用户的数据；
    其中，所述目标时长为：所述第一固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长。
  6. 根据权利要求5所述的方法，其特征在于，所述方法还包括：
    在目标数量小于数量阈值时，所述第一固网设备删除所述目标切片模板的切片实例；
    其中，所述目标数量为：所述第一固网设备所采用的所述目标切片模板的切片实例用于传输的数据所对应的用户数量。
  7. 根据权利要求1至6任一所述的方法，其特征在于，所述第一固网设备与第二固网设备连接，所述方法还包括：
    在所述第一固网设备确定所述目标切片模板之后，所述第一固网设备向第二固网设备发送第一控制消息，所述第一控制消息用于指示所述第二固网设备采用所述目标切片模板的另一切片实例传输所述目标用户的数据。
  8. 根据权利要求7所述的方法，其特征在于，在所述第一固网设备向第二固网设备发送第一控制消息之后，所述方法还包括：
    在目标时长达到时长阈值时，所述第一固网设备向所述第二固网设备发送第二控制消息；
    其中，所述目标时长为：所述第一固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长；所述第二控制消息用于指示所述第二固网设备禁止采 用所述目标切片模板的所述另一切片实例传输所述目标用户的数据。
  9. 根据权利要求8所述的方法，其特征在于，所述方法还包括：
    在目标数量小于数量阈值时，所述第一固网设备向所述第二固网设备发送第三控制消息，所述第三控制消息用于指示所述第二固网设备删除所述目标切片模板的所述另一切片实例；
    其中，所述目标数量为：所述第一固网设备所采用的所述目标切片模板的切片实例用于传输的数据所对应的用户数量。
  10. 根据权利要求7至9任一所述的方法，其特征在于，所述第一固网设备为：光线路终端OLT或光网络终端ONT中的一个设备，所述第二固网设备为所述OLT和所述ONT中的另一设备。
  11. 一种数据传输方法，其特征在于，所述方法包括：
    第一固网设备确定固网中目标用户的数据的目标服务等级协议SLA；
    所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板；
    所述第一固网设备向第二固网设备发送第一控制消息，所述第一控制消息用于指示所述第二固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据。
  12. 根据权利要求11所述的方法，其特征在于，所述目标用户的数据携带的SLA为所述目标SLA。
  13. 根据权利要求11所述的方法，其特征在于，所述目标用户的数据的类型对应的SLA为所述目标SLA。
  14. 根据权利要求11至13任一所述的方法，其特征在于，在所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板之前，所述方法还包括：
    所述第一固网设备根据用户与SLA的对应关系，确定所述目标用户对应的SLA；
    所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板，包括：
    在所述目标SLA低于或等于所述目标用户对应的SLA时，所述第一固网设备根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板。
  15. 根据权利要求11至14任一所述的方法，其特征在于，在所述第一固网设备向第二固网设备发送第一控制消息之后，所述方法还包括：
    在目标时长达到时长阈值时，所述第一固网设备向所述第二固网设备发送第二控制消息；
    其中，所述目标时长为：所述第二固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长；所述第二控制消息用于指示所述第二固网设备禁止采用所述目标切片模板的切片实例传输所述目标用户的数据。
  16. 根据权利要求15所述的方法，其特征在于，在所述第一固网设备向所述第二固网设备发送第二控制消息之前，所述方法还包括：
    所述第一固网设备接收所述第二固网设备发送的时长消息，所述时长消息用于指示所述目标时长达到时长阈值；
    所述第一固网设备根据所述时长消息，确定所述目标时长达到所述时长阈值。
  17. 根据权利要求15或16所述的方法，其特征在于，所述方法还包括：
    在目标数量小于数量阈值时，所述第一固网设备向所述第二固网设备发送第三控制消息，所述第三控制消息用于指示所述第二固网设备删除所述目标切片模板的切片实例；
    其中，所述目标数量为：所述第二固网设备所采用的所述目标切片模板的切片实例用于传输的数据所对应的用户数量。
  18. 根据权利要求11至17任一所述的方法，其特征在于，所述第一固网设备为：控制器，所述第二固网设备为：光线路终端OLT或光网络终端ONT。
  19. 一种数据传输方法，其特征在于，所述方法包括：
    第二固网设备接收第一固网设备发送的第一控制消息；
    所述第二固网设备根据所述第一控制消息，采用目标切片模板的切片实例传输目标用户的数据。
  20. 根据权利要求19所述的方法，其特征在于，在所述第二固网设备根据所述第一控制消息，采用目标切片模板的切片实例传输目标用户的数据之后，所述方法还包括：
    所述第二固网设备接收所述第一固网设备发送的第二控制消息；
    所述第二固网设备根据所述第二控制消息，禁止采用所述目标切片模板的切片实例传输所述目标用户的数据。
  21. 根据权利要求20所述的方法，其特征在于，在所述第二固网设备接收所述第一固网设备发送的第二控制消息之前，所述方法还包括：
    在目标时长达到时长阈值时，所述第二固网设备向所述第一固网设备发送时长消息，所述时长消息用于指示：所述目标时长达到所述时长阈值；
    其中，所述目标时长为：所述第二固网设备所采用的所述目标切片模板的切片实例停止传输所述目标用户的数据的持续时长。
  22. 根据权利要求19或21所述的方法，其特征在于，所述方法还包括：
    所述第二固网设备接收所述第一固网设备发送的第三控制消息；
    所述第二固网设备根据所述第三控制消息，删除所述目标切片模板的切片实例。
  23. 根据权利要求19至22任一所述的方法，其特征在于，所述第一固网设备为：控制器，所述第二固网设备为：光线路终端OLT或光网络终端ONT；
    或者，所述第一固网设备为：所述OLT和ONT中的一个设备，所述第二固网设备为所述OLT和所述ONT中的另一设备。
  24. 一种数据传输设备，其特征在于，所述数据传输设备用于第一固网设备，所述数据传输设备包括：
    第一确定模块，用于确定固网中目标用户的数据的目标服务等级协议SLA；
    第二确定模块，用于根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板；
    传输模块，用于采用所述目标切片模板的切片实例传输所述目标用户的数据。
  25. 一种数据传输设备，其特征在于，所述数据传输设备用于第一固网设备，所述数据传输设备包括：
    第一确定模块，用于确定固网中目标用户的数据的目标服务等级协议SLA；
    第二确定模块，用于根据数据的SLA与切片模板的对应关系，确定所述目标SLA对应的目标切片模板；
    第一发送模块，用于向第二固网设备发送第一控制消息，所述第一控制消息用于指示所 述第二固网设备采用所述目标切片模板的切片实例传输所述目标用户的数据。
  26. 一种数据传输设备，其特征在于，所述数据传输设备用于第二固网设备，所述数据传输设备包括：
    第一接收模块，用于接收第一固网设备发送的第一控制消息；
    传输模块，用于根据所述第一控制消息，采用目标切片模板的切片实例传输目标用户的数据。
  27. 一种固网设备，其特征在于，所述固网设备包括：处理器和存储器；
    所述处理器用于执行所述存储器中存储的程序，以实现权利要求1至23任一所述的数据传输方法。
  28. 一种固网通信系统，其特征在于，所述固网通信系统包括：第一固网设备；
    所述第一固网设备为权利要求24或25所述的数据传输设备。
  29. 根据权利要求28所述的固网通信系统，其特征在于，所述固网通信系统还包括：第二固网设备；
    所述第二固网设备为权利要求26所述的数据传输设备。
  30. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当所述指令在计算机上运行时，使得计算机执行如权利要求1至23任一所述的数据传输方法。
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