WO2022001530A1 - Procédé et appareil d'établissement de pipeline - Google Patents

Procédé et appareil d'établissement de pipeline Download PDF

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Publication number
WO2022001530A1
WO2022001530A1 PCT/CN2021/096552 CN2021096552W WO2022001530A1 WO 2022001530 A1 WO2022001530 A1 WO 2022001530A1 CN 2021096552 W CN2021096552 W CN 2021096552W WO 2022001530 A1 WO2022001530 A1 WO 2022001530A1
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Prior art keywords
transmitted
gateway device
data
information
controller
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PCT/CN2021/096552
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English (en)
Chinese (zh)
Inventor
夏建东
闫志勇
陈巍
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华为技术有限公司
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Publication of WO2022001530A1 publication Critical patent/WO2022001530A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications

Definitions

  • the present application relates to the field of network technologies, and in particular, to a method and device for establishing a pipeline.
  • the terminal when the terminal has data to send to the service server, the terminal will send the data to the access gateway. After receiving the data, the access gateway sends the data to the cloud gateway via the network. After receiving the data, the cloud gateway sends the data to the service server, so that the service server can process the data.
  • the network is constructed based on the principle of best effort forwarding. In other words, the network forwards the received data "best effort". Therefore, when the data between the terminal and the service server is transmitted through the network, the network cannot guarantee that the data can meet the network requirements.
  • the embodiments of the present application provide a method and apparatus for establishing a pipeline, which can establish a pipeline for data between a terminal and a service server, so that when the data is transmitted in the pipeline, the network requirements of the data are satisfied.
  • an embodiment of the present application provides a method for establishing a pipeline.
  • the method includes: a controller receives service requirement information from a first gateway device, where the service requirement information is used to indicate data to be transmitted between a terminal and a service server The requirements of the network managed by the controller, the first gateway device is connected with the terminal, the service server is connected with the second gateway device, the first gateway device and the second gateway device are connected through the network; the controller according to For the service requirement information, a pipeline is established for the data to be transmitted in the network, the pipeline includes N forwarding devices, the data to be transmitted satisfies the requirement when transmitted in the pipeline, and N is an integer greater than or equal to 1.
  • the controller may receive service requirement information from the first gateway device for indicating the requirement of the data to be transmitted on the network, and according to the service requirement information, establish a service requirement in the network for the data to be transmitted that meets the requirements to be transmitted.
  • the forwarding resources used by the forwarding device, the first gateway device or the second gateway device in the pipeline are all configured by the controller for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can satisfy the The network demand of the data to be transmitted can also be improved, and the utilization rate of network resources can also be improved.
  • the controller establishes a pipeline for the data to be transmitted in the network according to the service requirement information, including: the controller according to the service requirement information, the first corresponding relationship and the second corresponding relationship
  • a pipeline is established for the data to be transmitted in the network; wherein, the first correspondence is the address of the first gateway device and the user-to-network interface (UNI) of the first forwarding device in the network
  • the second correspondence is the correspondence between the address of the second gateway device and the UNI of the second forwarding device in the network; the first forwarding device is connected to the first gateway device, and the second forwarding device Connect with the second gateway device.
  • the controller can determine the starting forwarding device of the pipe according to the corresponding relationship between the address of the first network device and the UNI of the first forwarding device in the network, and according to the address of the second network device and the second forwarding device in the network
  • the correspondence of the UNI determines the end of the pipe to the forwarding device.
  • the controller may determine the pipe according to the starting forwarding device, the ending forwarding device and the service requirement information. In this way, when the data to be transmitted is transmitted in the pipeline, the network requirements of the data to be transmitted can be satisfied.
  • the controller establishes a pipeline for the data to be transmitted in the network according to the service requirement information, the first correspondence and the second correspondence, including: the controller according to the service requirement information, The first correspondence and the second correspondence determine the forwarding resource and the forwarding table of each forwarding device among the N forwarding devices; wherein the forwarding resource is used to indicate the N forwarding devices and the forwarding table used by each forwarding device. resource.
  • the controller can determine the starting forwarding device of the pipe according to the corresponding relationship between the address of the first network device and the UNI of the first forwarding device in the network, and according to the address of the second network device and the second forwarding device in the network The correspondence of the UNI determines the end of the pipe to the forwarding device.
  • the controller may determine the forwarding resource and the forwarding table of each of the N forwarding devices according to the starting forwarding device, the ending forwarding device and the service requirement information. In this way, through the forwarding table, the data to be transmitted can be transmitted in the pipeline, and through the forwarding resources, the network requirements of the data to be transmitted can be satisfied when the data to be transmitted is transmitted in the pipeline.
  • the method further includes: the controller respectively sending forwarding resources and a forwarding table corresponding to each of the N forwarding devices to the N forwarding devices.
  • each forwarding device can obtain the forwarding resource and the forwarding table corresponding to the forwarding device, so that the data to be transmitted is transmitted in the pipeline, and when the data to be transmitted is transmitted in the pipeline, it satisfies the pair of data to be transmitted. network needs.
  • the method further includes: the controller receives update requirement information from the first gateway device, where the update requirement information is used to indicate the updated service requirement information. Based on the above method, when the service requirement information changes, the controller may receive the update requirement information indicating the updated service requirement information from the first gateway device. In this way, the controller can update the originally established pipeline or re-establish the pipeline according to the update requirement information. Therefore, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the method further includes: the controller receives an access end notification message from the first gateway device, where the access end notification message is used to instruct to remove the pipeline. Based on the above method, the controller may receive an access end notification message from the first gateway device, so that the controller removes the pipe according to the access end notification message.
  • the N forwarding devices in the pipeline or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the business requirement information includes service level agreement information.
  • the service requirement information can indicate the requirements of the network managed by the controller for the data to be transmitted between the terminal and the service server through the service level agreement information, so that the controller can use the service level agreement information in the network for the data to be transmitted in the network. Establish a pipeline that meets the needs of the network for the data to be transmitted.
  • an embodiment of the present application provides a method for establishing a pipeline, the method comprising: a terminal acquiring service requirement information, where the service requirement information is used to indicate a network managed by a controller for data to be transmitted between the terminal and a service server demand; the terminal sends the service demand information to the first gateway device.
  • the terminal can acquire service requirement information used to indicate the requirement of the data to be transmitted on the network, and send the service requirement information to the controller through the first gateway device, so that the controller can, according to the service requirement information, A pipeline is established for the data to be transmitted in the network to meet the requirements of the data to be transmitted on the network.
  • the forwarding resources used by the forwarding device, the first gateway device or the second gateway device in the pipeline are all configured by the controller for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can satisfy the The network demand of the data to be transmitted can also be improved, and the utilization rate of network resources can also be improved.
  • the method further includes: the terminal sends negotiation information to the service server, where the negotiation information is used to notify the service server of network parameters of a pipe, where the pipe is the controller for the data to be transmitted established, the pipeline includes N forwarding devices, and when the data to be transmitted is transmitted in the pipeline, the requirement is met, and N is an integer greater than or equal to 1; the terminal communicates with the service server according to the network parameter.
  • the terminal can notify the service server of the network parameters of the pipeline, and communicate with the service server according to the network parameters. In this way, when the terminal communicates with the service server according to the network parameters, a larger and more stable throughput can be obtained, and packet loss and delay caused by the tentative transmission can be reduced.
  • the negotiation information includes at least one of the following information: bandwidth information, delay information, or packet loss rate.
  • the terminal can negotiate at least one of the following information with the service server: bandwidth information, delay information or packet loss rate, and communicate with the service server according to the at least one information.
  • the method further includes: the terminal sending update requirement information to the first gateway device, where the update requirement information is used to indicate the updated service requirement information.
  • the terminal can send the update demand information indicating the updated service demand information to the controller through the first gateway device, so that the controller can update the original update demand information according to the update demand information. established pipeline, or re-established pipeline. Therefore, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the method further includes: the terminal sends an access end notification message to the first gateway device, where the access end notification message is used to instruct to remove the pipeline established by the controller for the terminal and the service server .
  • the terminal may send an access end notification message to the controller through the first gateway device, so that the controller removes the pipe according to the access end notification message.
  • the N forwarding devices in the pipeline or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the business requirement information includes service level agreement information.
  • the service requirement information can indicate the requirements of the network managed by the controller for the data to be transmitted between the terminal and the service server through the service level agreement information, so that the controller can use the service level agreement information in the network for the data to be transmitted in the network. Establish a pipeline that meets the needs of the network for the data to be transmitted.
  • an embodiment of the present application provides a method for establishing a pipeline.
  • the method includes: a first gateway device obtains service requirement information, where the service requirement information is used to indicate that data to be transmitted between a terminal and a service server is managed by a controller requirements of the network; the first gateway device sends the service requirement information to the controller.
  • the first gateway device may acquire service requirement information used to indicate the requirement of the data to be transmitted on the network, and send the service requirement information to the controller, so that the controller can perform a For the data to be transmitted, a pipeline that meets the network requirements of the data to be transmitted is established.
  • the forwarding resources used by the forwarding device, the first gateway device or the second gateway device in the pipeline are all configured by the controller for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can satisfy the The network demand of the data to be transmitted can also be improved, and the utilization rate of network resources can also be improved.
  • the obtaining, by the first gateway device, the service requirement information includes: the first gateway device receiving the service requirement information from the terminal. Based on the above method, the first gateway device may acquire service requirement information from the terminal.
  • acquiring the service requirement information by the first gateway device includes: acquiring, by the first gateway device, the destination address of the data to be transmitted, and/or the service type of the data to be transmitted; the first gateway device acquires the destination address of the data to be transmitted; The gateway device determines the service requirement information according to the destination address and/or the service type. Based on the above method, the first gateway device can determine the service requirement information by itself. In this way, the first gateway device may not need to acquire the service requirement information from other devices, which may save signaling overhead.
  • the method further includes: the first gateway device receives update demand information from the terminal, where the update demand information is used to indicate the updated service demand information; the first gateway device reports to the control The server sends the update request information.
  • the first gateway device may receive the update requirement information indicating the updated service requirement information from the terminal, and send the update requirement information to the controller.
  • the controller can update the originally established pipeline or re-establish the pipeline according to the update requirement information. Therefore, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the method further includes: the first gateway device receives an access end notification message from the terminal, where the access end notification message is used to instruct to remove the pipe established by the controller for the data to be transmitted; The first gateway device sends the access end notification message to the controller. Based on the above method, the first gateway device may receive the access end notification message from the terminal, and send the access end notification message to the controller, so that the controller removes the pipe according to the access end notification message. In this way, the N forwarding devices in the pipeline or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the method further includes: the first gateway device determines to stop using the pipeline established by the controller for the data to be transmitted; the first gateway device sends the access end notification message to the controller, The access end notification message is used to instruct to remove the pipe established by the controller for the data to be transmitted.
  • the first gateway device determines to stop using the pipe established by the controller for the data to be transmitted, the first gateway device sends an access end notification message to the controller, so that the controller removes the pipe according to the access end notification message .
  • the N forwarding devices in the pipeline or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the business requirement information includes service level agreement information.
  • the service requirement information can indicate the requirements of the network managed by the controller for the data to be transmitted between the terminal and the service server through the service level agreement information, so that the controller can use the service level agreement information in the network for the data to be transmitted in the network. Establish a pipeline that meets the needs of the network for the data to be transmitted.
  • an embodiment of the present application provides a method for establishing a pipeline, the method includes: a service server receives negotiation information from a terminal, the negotiation information is used to notify the service server of network parameters of the pipeline, and the pipeline is the controller for the pipeline.
  • the data to be transmitted between the terminal and the service server is established.
  • the pipeline includes the N forwarding devices. When the data to be transmitted is transmitted in the pipeline, it meets the requirements of the network managed by the controller for the data to be transmitted. N is an integer greater than or equal to 1; the service server communicates with the terminal according to the network parameter.
  • the service server may receive network parameters of the pipeline from the terminal, and communicate with the terminal according to the network parameters. In this way, when the terminal communicates with the service server according to the network parameters, a larger and more stable throughput can be obtained, and packet loss and delay caused by the tentative transmission can be reduced.
  • the negotiation information includes at least one of the following information: bandwidth information, delay information, or packet loss rate.
  • the terminal may negotiate at least one of the following information with the service server: bandwidth information, delay information or packet loss rate, and communicate with the terminal according to the at least one type of information.
  • an embodiment of the present application provides a communication device, the communication device includes: a communication module and a processing module; the communication module is configured to receive service requirement information from a first gateway device, where the service requirement information is used to instruct a terminal to communicate with The demand of the data to be transmitted between the service servers for the network managed by the communication device, the first gateway device is connected to the terminal, the service server is connected to the second gateway device, and the first gateway device and the second gateway device pass through the network connection; a processing module, configured to establish a pipeline for the data to be transmitted in the network according to the service requirement information, the pipeline includes N forwarding devices, and the data to be transmitted satisfies the requirement when transmitted in the pipeline, N is an integer greater than or equal to 1.
  • the communication device provided in the fifth aspect can receive service requirement information from the first gateway device for indicating the requirement of the data to be transmitted on the network, and according to the service requirement information, create a network for the data to be transmitted in the network to meet the requirements of the data to be transmitted.
  • the forwarding resources used by the forwarding device, the first gateway device, or the second gateway device in the pipeline are all configured by the communication device for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can be It can meet the demand of the data to be transmitted on the network, and in addition, the utilization rate of network resources can be improved.
  • the processing module is specifically configured to establish a pipeline for the data to be transmitted in the network according to the service requirement information, the first correspondence and the second correspondence; wherein the first correspondence is The correspondence between the address of the first gateway device and the user network interface UNI of the first forwarding device in the network; the second correspondence is the address of the second gateway device and the UNI of the second forwarding device in the network. Corresponding relationship; the first forwarding device is connected with the first gateway device, and the second forwarding device is connected with the second gateway device.
  • the above-mentioned communication device can determine the initial forwarding device of the pipeline according to the corresponding relationship between the address of the first network device and the UNI of the first forwarding device in the network, and according to the address of the second network device and the UNI of the second forwarding device in the network.
  • the correspondence relationship determines the end forwarding device of the pipeline.
  • the communication apparatus may determine the pipe according to the starting forwarding device, the ending forwarding device and the service requirement information. In this way, when the data to be transmitted is transmitted in the pipeline, the network requirements of the data to be transmitted can be satisfied.
  • the processing module is specifically configured to determine the forwarding resource and the forwarding table of each forwarding device among the N forwarding devices according to the service requirement information, the first corresponding relationship and the second corresponding relationship ; wherein, the forwarding resource is used to indicate the N forwarding devices and the resource used by each forwarding device.
  • the above-mentioned communication device can determine the initial forwarding device of the pipeline according to the corresponding relationship between the address of the first network device and the UNI of the first forwarding device in the network, and according to the address of the second network device and the UNI of the second forwarding device in the network.
  • the correspondence relationship determines the end forwarding device of the pipeline.
  • the communication apparatus may determine the forwarding resource and the forwarding table of each of the N forwarding devices according to the starting forwarding device, the ending forwarding device and the service requirement information. In this way, through the forwarding table, the data to be transmitted can be transmitted in the pipeline, and through the forwarding resources, the network requirements of the data to be transmitted can be satisfied when the data to be transmitted is transmitted in the pipeline.
  • the communication module is further configured to respectively send the forwarding resources and the forwarding table corresponding to each of the N forwarding devices to the N forwarding devices.
  • each forwarding device can acquire the forwarding resource and forwarding table corresponding to the forwarding device, so that the data to be transmitted is transmitted in the pipeline, and when the data to be transmitted is transmitted in the pipeline, the data to be transmitted can be demand for the network.
  • the communication module is further configured to receive update requirement information from the first gateway device, where the update requirement information is used to indicate the updated service requirement information.
  • the communication apparatus may receive update requirement information from the first gateway device for indicating the updated service requirement information. In this way, the communication device can update the originally established pipeline or re-establish the pipeline according to the update requirement information. Therefore, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the communication module is further configured to receive an access end notification message from the first gateway device, where the access end notification message is used to instruct to remove the pipeline.
  • the above communication apparatus may receive an access end notification message from the first gateway device, so that the communication apparatus removes the pipe according to the access end notification message.
  • the business requirement information includes service level agreement information.
  • the service requirement information can indicate the requirements of the network managed by the communication device for the data to be transmitted between the terminal and the service server through the service level agreement information, so that the communication device can establish a network for the data to be transmitted in the network according to the service level agreement information.
  • an embodiment of the present application provides a communication device, the communication device includes: a processing module and a communication module; the processing module is configured to acquire service requirement information, where the service requirement information is used to indicate a relationship between the communication device and a service server The demand of the data to be transmitted on the network managed by the controller; the communication module is used for sending the service demand information to the first gateway device.
  • the communication device provided in the sixth aspect above can acquire service requirement information for indicating the requirement of the data to be transmitted on the network, and send the service requirement information to the controller through the first gateway device, so that the controller according to the service requirement information, A pipeline is established for the data to be transmitted in the network to meet the requirements of the data to be transmitted on the network.
  • the forwarding resources used by the forwarding device, the first gateway device or the second gateway device in the pipeline are all configured by the controller for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can satisfy the The network demand of the data to be transmitted can also be improved, and the utilization rate of network resources can also be improved.
  • the communication module is further configured to send negotiation information to the service server, where the negotiation information is used to notify the service server of network parameters of a pipeline, which is established by the controller for the data to be transmitted Yes, the pipeline includes N forwarding devices, and when the data to be transmitted is transmitted in the pipeline, the requirement is met, and N is an integer greater than or equal to 1; the communication module is also used to communicate with the service server according to the network parameter.
  • the above communication device can notify the service server of the network parameters of the pipeline, and communicate with the service server according to the network parameters. In this way, when the communication device communicates with the service server according to the network parameters, a larger and more stable throughput can be obtained, and packet loss and delay caused by the tentative transmission can be reduced.
  • the negotiation information includes at least one of the following information: bandwidth information, delay information, or packet loss rate.
  • the above communication device may negotiate at least one of the following information with the service server: bandwidth information, delay information or packet loss rate, and communicate with the service server according to the at least one kind of information.
  • the communication module is further configured to send update requirement information to the first gateway device, where the update requirement information is used to indicate the updated service requirement information.
  • the communication device can send the update demand information for indicating the updated service demand information to the controller through the first gateway device, so that the controller can according to the update demand information , update the previously established pipeline, or re-establish the pipeline. Therefore, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the communication module is further configured to send an access end notification message to the first gateway device, where the access end notification message is used to instruct to remove the pipe established by the controller for the communication device and the service server .
  • the above communication apparatus may send an access end notification message to the controller through the first gateway device, so that the controller removes the pipe according to the access end notification message.
  • the business requirement information includes service level agreement information.
  • the service requirement information can indicate the requirements of the network managed by the controller for the data to be transmitted between the communication device and the service server through the service level agreement information, so that the controller can perform the following operations in the network according to the service level agreement information.
  • the data to be transmitted establishes a pipeline that meets the requirements of the data to be transmitted on the network.
  • an embodiment of the present application provides a communication device, the communication device includes: a processing module and a communication module; the processing module is configured to acquire service requirement information, where the service requirement information is used to indicate a waiting period between a terminal and a service server. The requirements for the network managed by the controller for transmission data; the communication module is used to send the service requirement information to the controller.
  • the communication device provided in the above seventh aspect can acquire service requirement information for indicating the requirement of the data to be transmitted on the network, and send the service requirement information to the controller, so that the controller can, according to the service requirement information, record the service requirement information in the network for the to-be-transmitted data.
  • the transmission data establishes a pipeline that meets the requirements of the network for the data to be transmitted.
  • the forwarding resources used by the forwarding device in the pipeline, the communication device or the second gateway device are all configured by the controller for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can meet the needs of In addition, it can improve the utilization rate of network resources.
  • the processing module is specifically configured to receive the service requirement information from the terminal through the communication module. In this way, the above-mentioned communication apparatus can acquire the service requirement information from the terminal.
  • the processing module is specifically configured to obtain the destination address of the data to be transmitted, and/or the service type of the data to be transmitted; the processing module is also specifically configured to obtain the destination address and/or the service type of the data to be transmitted;
  • the service type determines the service requirement information.
  • the above-mentioned communication apparatus can determine the service requirement information by itself. In this way, the communication device does not need to acquire the service requirement information from other devices, which can save signaling overhead.
  • the communication module is configured to receive update requirement information from the terminal, where the update requirement information is used to indicate the updated service requirement information; the communication module is further configured to send the update to the controller demand information.
  • the communication device can receive the update requirement information indicating the updated service requirement information from the terminal, and send the update requirement information to the controller.
  • the controller can update the originally established pipeline or re-establish the pipeline according to the update requirement information. Therefore, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the communication module is further configured to receive an access end notification message from the terminal, where the access end notification message is used to instruct to remove the pipe established by the controller for the data to be transmitted; the communication module is further configured to Used to send the access end notification message to the controller.
  • the above communication device may receive an access end notification message from the terminal, and send the access end notification message to the controller, so that the controller removes the pipeline according to the access end notification message. In this way, the N forwarding devices in the pipeline or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the processing module is further configured to determine to stop using the pipeline established by the controller for the data to be transmitted; the communication module is further configured to send the access end notification message to the controller, and the access ends The notification message is used to instruct to remove the pipe established by the controller for the data to be transmitted.
  • the communication device sends an access end notification message to the controller, so that the controller removes the pipe according to the access end notification message.
  • the N forwarding devices in the pipeline or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the business requirement information includes service level agreement information.
  • the service requirement information can indicate the requirements of the network managed by the controller for the data to be transmitted between the terminal and the service server through the service level agreement information, so that the controller can use the service level agreement information in the network for data to be transmitted in the network.
  • the data establishes a pipeline that satisfies the needs of the network for the data to be transmitted.
  • an embodiment of the present application provides a communication device, the communication device includes: a communication module; the communication module is configured to receive negotiation information from a terminal, where the negotiation information is used to notify the communication device of network parameters of a pipeline, the The pipeline is established by the controller for the data to be transmitted between the terminal and the communication device, and the pipeline includes the N forwarding devices.
  • N is an integer greater than or equal to 1; the communication module is also used to communicate with the terminal according to the network parameters.
  • the communication device provided in the above eighth aspect can receive network parameters of the pipeline from the terminal, and communicate with the terminal according to the network parameters. In this way, when the terminal communicates with the communication device according to the network parameters, a larger and more stable throughput can be obtained, and packet loss and delay caused by the tentative transmission can be reduced.
  • the negotiation information includes at least one of the following information: bandwidth information, delay information, or packet loss rate.
  • the terminal may negotiate with the communication device at least one of the following information: bandwidth information, delay information or packet loss rate, and communicate with the terminal according to the at least one kind of information.
  • an embodiment of the present application provides a communication device, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, when the program or the instruction is executed by the processor , so that the device implements the method described in the first aspect or any possible implementation manner of the first aspect.
  • an embodiment of the present application provides a communication device, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, when the program or instruction is executed by the processor , so that the device implements the method described in the second aspect or any possible implementation manner of the second aspect.
  • an embodiment of the present application provides a communication device, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, and when the program or instruction is executed by the processor , the device is made to implement the method described in the third aspect or any possible implementation manner of the third aspect.
  • an embodiment of the present application provides a communication device, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, and when the program or instruction is executed by the processor , the device is made to implement the method described in the fourth aspect or any possible implementation manner of the fourth aspect.
  • an embodiment of the present application provides a communication apparatus, where the apparatus is configured to implement the method described in the first aspect or any possible implementation manner of the first aspect.
  • an embodiment of the present application provides a communication device, where the device is configured to implement the method described in the second aspect or any possible implementation manner of the second aspect.
  • an embodiment of the present application provides a communication device, where the device is configured to implement the method described in the third aspect or any possible implementation manner of the third aspect.
  • an embodiment of the present application provides a communication device, where the device is configured to implement the method described in the fourth aspect or any possible implementation manner of the fourth aspect.
  • an embodiment of the present application provides a computer-readable medium on which a computer program or instruction is stored, and when the computer program or instruction is executed, causes a computer to execute the first aspect or any one of the first aspect. The method described in the possible embodiments.
  • an embodiment of the present application provides a computer-readable medium on which a computer program or instruction is stored, and when the computer program or instruction is executed, causes a computer to execute the second aspect or any one of the second aspect. The method described in the possible embodiments.
  • an embodiment of the present application provides a computer-readable medium on which a computer program or instruction is stored, and when the computer program or instruction is executed, causes a computer to execute the third aspect or any one of the third aspect. The method described in the possible embodiments.
  • an embodiment of the present application provides a computer-readable medium on which a computer program or instruction is stored, and when the computer program or instruction is executed, causes a computer to execute the fourth aspect or any one of the fourth aspect. The method described in the possible embodiments.
  • an embodiment of the present application provides a computer program product, which includes computer program code, and when the computer program code runs on a computer, enables the computer to execute the first aspect or any possibility of the first aspect The method described in the embodiment of .
  • an embodiment of the present application provides a computer program product, which includes computer program code, and when the computer program code is run on a computer, enables the computer to execute the second aspect or any possibility of the second aspect.
  • an embodiment of the present application provides a computer program product, which includes computer program code, and when the computer program code runs on a computer, the computer program code enables the computer to execute the third aspect or any possibility of the third aspect.
  • an embodiment of the present application provides a computer program product, which includes computer program code, and when the computer program code is run on a computer, enables the computer to execute the fourth aspect or any of the fourth aspects.
  • an embodiment of the present application provides a chip, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, and when the program or instruction is executed by the processor , the chip is made to implement the method described in the first aspect or any possible implementation manner of the first aspect.
  • an embodiment of the present application provides a chip, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, and when the program or instruction is executed by the processor , the chip is made to implement the method described in the second aspect or any possible implementation manner of the second aspect.
  • an embodiment of the present application provides a chip, including: a processor, where the processor is coupled to a memory, and the memory is used to store programs or instructions, and when the programs or instructions are executed by the processor , the chip is made to implement the method described in the third aspect or any possible implementation manner of the third aspect.
  • an embodiment of the present application provides a chip, including: a processor, where the processor is coupled to a memory, and the memory is used to store a program or an instruction, and when the program or instruction is executed by the processor , the chip is made to implement the method described in the fourth aspect or any possible implementation manner of the fourth aspect.
  • an embodiment of the present application provides a communication system.
  • the system includes the device described in the fifth aspect, and/or the device described in the sixth aspect, and/or the device described in the seventh aspect, and/or the device described in the eighth aspect; or the above
  • any of the communication devices, chips, computer-readable media, computer program products or communication systems provided above are all used to execute the corresponding methods provided above. Therefore, the beneficial effects that can be achieved can be achieved. Referring to the beneficial effects in the corresponding method, details are not repeated here.
  • FIG. 1A is a schematic diagram 1 of a communication system architecture provided by an embodiment of the present application.
  • FIG. 1B is a second schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a hardware structure of a communication device provided by an embodiment of the present application
  • FIG. 3 is a schematic flowchart 1 of a method for establishing a pipeline according to an embodiment of the present application
  • FIG. 4 is a schematic diagram 1 of a network provided by an embodiment of the present application.
  • FIG. 5 is a second schematic diagram of a network provided by an embodiment of the present application.
  • FIG. 6 is a second schematic flowchart of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 7 is a third schematic flowchart of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 8 is a fourth schematic flowchart of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 9A is a schematic diagram 1 of throughput provided by an embodiment of the present application.
  • FIG. 9B is a second schematic diagram of throughput provided by an embodiment of the present application.
  • FIG. 10 is a fifth schematic flowchart of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 11 is a sixth schematic flowchart of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 12 is a seventh schematic flowchart of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 13 is a schematic flowchart eight of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 14 is a schematic flowchart 9 of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 15 is a schematic flowchart tenth of a method for establishing a pipeline according to an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram 1 of a communication device provided by an embodiment of the present application.
  • FIG. 17 is a second schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 18 is a third schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 19 is a fourth schematic structural diagram of a communication device provided by an embodiment of the present application.
  • 20 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • FIG. 21 is a schematic diagram of the composition of a communication system provided by an embodiment of the present application.
  • the methods provided in the embodiments of the present application can be used in various communication systems. The following only takes the communication system shown in FIG. 1A and FIG. 1B as an example to describe the method provided by the embodiment of the present application.
  • FIG. 1A it is a schematic structural diagram of a communication system according to an embodiment of the present application.
  • the communication system includes a terminal 101 , a service server 102 and a network 103 .
  • the terminal 101 and the service server 102 can communicate through the network 103 .
  • the terminal 101 in FIG. 1A may be a computer, or a device with a wireless transceiving function.
  • the terminal 101 is a portable computer (such as a mobile phone), a notebook computer, a personal computer (PC), a wearable electronic device (such as a smart watch), a tablet computer, augmented reality (AR)/virtual reality (virtual reality) reality, VR) equipment, vehicles, on-board modules, on-board computers, on-board chips, on-board communication systems, wireless terminals in industrial control, etc.
  • AR augmented reality
  • VR virtual reality
  • the terminal 101 may also be referred to as a terminal device, a user terminal, a client terminal, a user equipment, a mobile station, a mobile station, or the like.
  • the service server 102 in FIG. 1A may be a device capable of providing computing or application services for the terminal 101 .
  • the network 103 in FIG. 1A may be used to transmit data between the terminal 101 and the service server 102 .
  • the network 103 may be an optical transport network (OTN) or the like.
  • the network 103 may include a gateway device 1031, a gateway device 1032, a controller 1033, and at least one forwarding device (not shown in FIG. 1A).
  • the gateway device 1031 is connected to the terminal 101 and can provide the terminal 101 with functions such as network access, routing, authentication or management. Further, the gateway device 1031 may be an operator's edge device such as an optical line terminal (optical line terminal, OLT) with a three-layer function.
  • the gateway device 1032 is connected to the service server 102 and can provide the service server 102 with functions such as network access, routing, authentication or management. Further, the gateway device 1032 may be an operator's edge device such as an OLT with three-layer functions. Gateway device 1031 and gateway device 1032 are connected through one or more forwarding devices.
  • the controller 1033 may be independently deployed in the network 103 , or may be deployed on one or more devices in the network 103 .
  • the controller 1033 is deployed on the gateway device 1031, the gateway device 1032, or at least one forwarding device.
  • the controller 1033 can be connected with devices in the network 103 .
  • the controller 1033 can establish a pipeline for the data to be transmitted between the terminal 101 and the service server 102 according to the received service requirement information, so that the to-be-transmitted data can meet the service requirement indicated in the service requirement information when transmitted in the pipeline.
  • the communication system shown in FIG. 1A further includes a scheduling server 104 .
  • the scheduling server 104 is connected to the terminal 101 and the service server 102 .
  • the scheduling server 104 can be used to confirm the identity and authority of the terminal 101 .
  • the scheduling server 104 may also determine the service server to be accessed for the terminal 101 .
  • the dispatch server 104 may be a global dispatch server or a local dispatch server.
  • the scheduling server 104 is a global scheduling server; for other servers, the scheduling server 104 is a global scheduling server or a local scheduling server.
  • FIG. 1B it is a schematic structural diagram of another communication system provided by an embodiment of the present application.
  • the communication system includes a terminal 105 , a service server 106 , a network 107 and a network 108 .
  • the terminal 105 and the service server 106 can communicate through the network 107 and the network 108 .
  • the network 107 and the network 108 in FIG. 1B may be used to transmit data between the terminal 105 and the service server 106 .
  • the network 107 includes a gateway device 1071, a gateway device 1072, a controller 1073, and at least one forwarding device (not shown in Figure IB).
  • the network 108 includes a gateway device 1081, a gateway device 1082, a controller 1083, and at least one forwarding device (not shown in Figure IB).
  • the gateway device 1071 is connected to the terminal 105 and can provide the terminal 105 with functions such as network access, routing, authentication or management. Further, the gateway device 1071 may be an operator's edge device such as an OLT with three-layer functions.
  • the gateway device 1072 is connected to the gateway device 1081 . Gateway device 1072 and gateway device 1081 may connect together networks (eg, network 107 and network 108 ) of two different domains (eg, different network segments). Further, the gateway device 1072 or the gateway device 1081 may be an edge device of an operator such as an OLT with three-layer functions.
  • the gateway device 1082 is connected to the service server 106 and can provide the service server 106 with functions such as network access, routing, authentication or management.
  • the gateway device 1082 may be an operator's edge device such as an OLT with three-layer functions.
  • the gateway device 1071 and the gateway device 1072 are connected through one or more forwarding devices, and the gateway device 1081 and the gateway device 1082 are connected through one or more forwarding devices.
  • the controller 1073 may be independently deployed in the network 107 , or may be deployed on one or more devices in the network 107 .
  • the controller 1073 is deployed on the gateway device 1071, the gateway device 1072, or at least one forwarding device.
  • the controller 1073 can be connected with devices in the network 107 .
  • the controller 1073 can establish a pipeline for the data to be transmitted between the terminal 105 and the service server 106 according to the received service requirement information, so that the to-be-transmitted data meets the service requirement indicated in the service requirement information when the data to be transmitted is transmitted in the pipeline.
  • the controller 1083 may be independently deployed in the network 108 , or may be deployed on one or more devices in the network 108 .
  • the controller 1083 is deployed on the gateway device 1081, the gateway device 1082, or at least one forwarding device.
  • the controller 1083 can be connected with devices in the network 108 .
  • the controller 1083 can establish a pipeline for the data to be transmitted between the terminal 105 and the service server 106 according to the received service requirement information, so that when the data to be transmitted is transmitted in the pipeline, the service requirement indicated in the service requirement information is satisfied.
  • the communication system shown in FIG. 1B further includes a scheduling server 109 .
  • the scheduling server 109 is connected to the terminal 105 and the service server 106 .
  • the scheduling server 109 may be used to confirm the identity and authority of the terminal 105 .
  • the scheduling server 109 may also determine the service server to be accessed for the terminal 105 .
  • the scheduling server 109 may be a global scheduling server or a local scheduling server.
  • the scheduling server 109 is a global scheduling server; for other servers, the scheduling server 109 is a global scheduling server or a local scheduling server.
  • FIG. 1A and FIG. 1B are only examples of the communication system provided by the embodiments of the present application.
  • the communication system may also be in other forms.
  • the terminal and the service server may pass through three or more Network communication of multiple different domains is not restricted.
  • FIG. 1A and FIG. 1B are only used for example, and are not used to limit the technical solutions of the present application.
  • the above communication system may also include other devices, and the number of terminals, gateway devices, controllers, service servers or scheduling servers may also be determined according to specific needs.
  • Each network element in FIG. 1A or FIG. 1B may also be connected through other interfaces.
  • each network element in FIG. 1A or FIG. 1B in this embodiment of the present application may be a functional module in one device.
  • the above functions can be either network elements in hardware devices, such as communication chips in mobile phones, or software functions running on dedicated hardware, or virtualized virtual devices instantiated on a platform (eg, a cloud platform). function.
  • FIG. 2 is a schematic diagram of a hardware structure of a communication device applicable to an embodiment of the present application.
  • the communication device 20 includes at least one processor 201 , a communication line 202 , a memory 203 and at least one communication interface 204 .
  • the processor 201 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more processors for controlling the execution of the programs of the present application. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication line 202 may include a path, such as a bus, for transferring information between the components described above.
  • Communication interface 204 using any transceiver-like device for communicating with other devices or communication networks, such as Ethernet interfaces, radio access network (RAN), wireless local area networks (wireless local area networks, WLAN), etc.
  • RAN radio access network
  • WLAN wireless local area networks
  • Memory 203 may be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM) or other types of information and instructions It can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, CD-ROM storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing desired program code in the form of instructions or data structures and capable of being executed by a computer Access any other medium without limitation.
  • the memory may exist independently and be connected to the processor through the communication line 202 .
  • the memory can also be integrated with the processor.
  • the memory provided by the embodiments of the present application may generally be non-volatile.
  • the memory 203 is used for storing the computer-executed instructions involved in executing the solution of the present application, and the execution is controlled by the processor 201 .
  • the processor 201 is configured to execute the computer-executed instructions stored in the memory 203, thereby implementing the method provided by the embodiments of the present application.
  • the computer-executed instructions in the embodiment of the present application may also be referred to as application code, which is not specifically limited in the embodiment of the present application.
  • the processor 201 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 2 .
  • the communication apparatus 20 may include multiple processors, such as the processor 201 and the processor 207 in FIG. 2 .
  • processors can be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor.
  • a processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
  • the communication apparatus 20 may further include an output device 205 and an input device 206 .
  • the output device 205 is in communication with the processor 201 and can display information in a variety of ways.
  • the output device 205 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait.
  • Input device 206 is in communication with processor 201 and can receive user input in a variety of ways.
  • the input device 206 may be a mouse, a keyboard, a touch screen device, a sensor device, or the like.
  • the above-mentioned communication apparatus 20 may be a general-purpose device or a dedicated device.
  • the communication device 20 may be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, an embedded device, or a similar structure in FIG. 2 . equipment.
  • PDA personal digital assistant
  • the embodiment of the present application does not limit the type of the communication device 20 .
  • the method for establishing a pipeline provided in the embodiments of the present application can be applied to multiple scenarios, such as: cloud VR scenarios, video-on-demand scenarios, video game scenarios, or other scenarios that require high quality of display images etc.
  • first gateway device and other gateway devices with different numbers are only used for contextual convenience, and the different sequence numbers themselves have no specific technical meaning.
  • the first gateway device, the second gateway device etc. can be understood as one or any one of a series of gateway devices. It can be understood that, during specific implementation, gateway devices with different numbers may also be the same or the same type of gateway device, which is not limited in this application.
  • the controller, the first gateway device, the second gateway device, the terminal, or the service server may perform some or all of the steps in the embodiments of the present application. These steps are only examples, and the embodiments of the present application Other steps or variations of the various steps may also be performed. In addition, various steps may be performed in different orders presented in the embodiments of the present application, and it may not be necessary to perform all the steps in the embodiments of the present application.
  • the specific structure of the execution body of the method for establishing the pipeline is not particularly limited in the embodiment of the present application, as long as the program that records the code of the method for establishing the pipeline in the embodiment of the present application can be executed to obtain the method according to the present application.
  • the method for establishing a pipeline in the embodiment only needs to communicate.
  • the execution body of the method for establishing a pipeline provided in the embodiment of the present application may be a controller, or a component applied in the controller, such as a chip, to which this application applies. Not limited.
  • the execution body of the method for establishing a pipeline provided in this embodiment of the present application may be the first gateway device, or a component applied to the first gateway device, such as a chip, which is not limited in this application.
  • the execution body of the method for establishing a pipeline provided in this embodiment of the present application may be the second gateway device, or a component applied to the second gateway device, such as a chip, which is not limited in this application.
  • the execution body of the method for establishing a pipeline provided in this embodiment of the present application may be a terminal, or a component applied to the terminal, such as a chip, which is not limited in this application.
  • the execution body of the method for establishing a pipeline provided in this embodiment of the present application may be a service server, or a component applied to the service server, such as a chip, which is not limited in this application.
  • the following embodiments are described by taking an example that the execution bodies of the method for establishing a pipeline are a controller, a first gateway device, a second gateway device, a terminal, and a service server respectively.
  • a method for establishing a pipeline is provided in an embodiment of the present application.
  • the method takes the communication system shown in FIG. 1A as an example, and the method includes steps 301 to 304 .
  • Step 301 The terminal acquires service requirement information.
  • the terminal may be the terminal 101 in FIG. 1A .
  • the service requirement information is used to indicate the requirement of the data to be transmitted between the terminal and the service server on the network managed by the controller.
  • the data to be transmitted may be data that has already arrived at the terminal or the service server, or may be real-time communication data between the terminal and the service server.
  • the service server may be the service server 102 in FIG. 1A .
  • the controller may be the controller 1033 in FIG. 1A
  • the network managed by the controller may be the network 103 in FIG. 1A .
  • the business requirement information includes service level agreement information (service level agreement, SLA).
  • SLA includes at least one of the following information: bandwidth information of the data to be transmitted, delay information of the data to be transmitted, packet loss rate of the data to be transmitted, or delay jitter information of the data to be transmitted.
  • the bandwidth information of the data to be transmitted is used to indicate the bandwidth of the data to be transmitted.
  • the delay information of the data to be transmitted is used to indicate the delay of the data to be transmitted.
  • the delay jitter information of the data to be transmitted is used to indicate the delay jitter of the data to be transmitted.
  • the terminal determines the service server to be accessed.
  • the terminal sends request information for requesting the distribution service server to the scheduling server.
  • the scheduling server verifies information such as the identity or authority of the terminal, and sends response information for indicating the service server to the terminal.
  • the terminal determines the service server to be accessed according to the response information.
  • the scheduling server may be the scheduling server 104 in FIG. 1A .
  • the scheduling server may also determine an SLA for the terminal, and send the SLA to the terminal.
  • the SLA can be included in the response message or sent separately.
  • the terminal can determine the SLA by itself.
  • the scheduling server or terminal may determine the SLA in any of the following manners.
  • the SLA is determined according to the service type of the data to be transmitted.
  • services can be divided into: hypertext transfer protocol (hypertext transfer protocol, HTTP) type and user datagram protocol (user datagram protocol, UDP) type and so on.
  • hypertext transfer protocol hypertext transfer protocol
  • HTTP hypertext transfer protocol
  • UDP user datagram protocol
  • services can be classified into standard definition types, ultra-definition types, and high-definition types according to the video definition.
  • services can be divided into VR services, video-on-demand services, video game services, and the like according to the content of the services.
  • HTTP type UDP type
  • SD type UHD type
  • HD type HD type
  • VR service video-on-demand service
  • video game service are only examples of service types.
  • service types may also include other types.
  • business types can also be classified according to other methods without limitation.
  • the SLA may be determined according to the correspondence between the SLA shown in Table 1 and the service type of the data to be transmitted. For example, if the service type of the data to be transmitted is HTTP, the SLA includes bandwidth information 1, delay information 1, packet loss rate 1, and delay jitter information 1; if the service type of the data to be transmitted is UDP, the SLA includes Bandwidth information 2, delay information 2, packet loss rate 2, and delay jitter information 2; if the service type of the data to be transmitted is SD, the SLA includes bandwidth information 3, delay information 3, packet loss rate 3, and delay Jitter information 3; if the service type of the data to be transmitted is ultra-clear type, the SLA includes bandwidth information 4, delay information 4, packet loss rate 4, and delay jitter information 4; if the service type of the data to be transmitted is high-definition type, Then the SLA includes bandwidth information 5 , delay information 5 , packet loss rate 5 and delay jitter information 5 .
  • the SLA includes bandwidth information 5 , delay information 5 , packet loss rate 5 and delay
  • Bandwidth information Delay information Packet loss rate Delay Jitter Information HTTP type Bandwidth Information 1 Delay information 1 Packet loss rate 1 Delay Jitter Information 1 UDP type Bandwidth Information 2 Delay information 2 Packet loss rate 2 Delay Jitter Information 2 SD type Bandwidth Information 3 Delay information 3 Packet loss rate 3 Delay Jitter Information 3 Ultra clear type Bandwidth Information 4 Delay information 4 Packet loss rate 4 Delay Jitter Information 4
  • the SLA is determined according to the relevant parameters of the data to be transmitted. For example, the SLA is determined according to the size of the data to be transmitted; or, the SLA is determined according to the delay requirement of the data to be transmitted.
  • Step 302 The terminal sends service requirement information to the first gateway device.
  • the first gateway device may be the gateway device 1031 in FIG. 1A .
  • the terminal also sends the destination address of the data to be transmitted to the first gateway device. Further, the terminal also sends the protocol port identifier to the first gateway device. The destination address or protocol port identifier of the data to be transmitted may be sent together with the service requirement information, or may be sent separately.
  • the destination address of the data to be transmitted is the address of the service server, for example, the destination address of the data to be transmitted is the Internet Protocol (IP) address of the service server.
  • IP Internet Protocol
  • the protocol port identifier is used to identify the protocol port. For example, the protocol port identifier is 20, which indicates the file transfer protocol (FTP) data connection port.
  • FTP file transfer protocol
  • the first gateway device receives the service requirement information from the terminal.
  • the first gateway device also receives the destination address of the data to be transmitted from the terminal. Further, the first gateway device also receives the protocol port identifier from the terminal.
  • the service requirement information may also be the destination address of the data to be transmitted by the first gateway device, and/or the data to be transmitted. business type.
  • the above-mentioned steps 301 and 302 may be replaced by the following steps A and B.
  • Step A The first gateway device obtains the destination address of the data to be transmitted, and/or the service type of the data to be transmitted.
  • the first gateway device receives the destination address of the data to be transmitted from the terminal, and/or the information of the service type of the data to be transmitted.
  • the information of the service type of the data to be transmitted is used to indicate the service type of the data to be transmitted.
  • the information of the service type of the data to be transmitted includes a protocol port identifier corresponding to the data to be transmitted.
  • Step B The first gateway device determines service requirement information according to the destination address of the data to be transmitted and/or the service type of the data to be transmitted.
  • the destination address of the data to be transmitted and/or the service type of the data to be transmitted has a corresponding relationship with the service requirement information.
  • the corresponding relationship between the destination address of the data to be transmitted and the service demand information is shown in Table 2. If the destination address of the data to be transmitted is destination address 1, the service requirement information determined by the first gateway is service requirement information 1; if the destination address of the data to be transmitted is destination address 2, the service requirement information determined by the first gateway is service requirement information 2; if the data to be transmitted is the service requirement information 2; The destination address is destination address 3, and the service requirement information determined by the first gateway is service requirement information 3.
  • the destination address of the data to be transmitted business need information destination address 1 Business Need Information 1 destination address 2 Business Requirement Information 2 destination address 3 Business Requirement Information 3
  • the corresponding relationship between the service type of the data to be transmitted and the service requirement information is shown in Table 3. If the service type of the data to be transmitted is SD type, the service requirement information determined by the first gateway is service requirement information 1; if the service type of the data to be transmitted is ultra-clear type, the service requirement information determined by the first gateway is service requirement information 2; If the service type is the high-definition type, the service requirement information determined by the first gateway is the service requirement information 3 .
  • the service type of the data to be transmitted business need information SD type Business Need Information 1 Ultra clear type Business Requirement Information 2 HD type Business Requirement Information 3
  • the correspondence between the service type of the data to be transmitted and the service requirement information is shown in Table 4. As shown, if the destination address of the data to be transmitted is the destination address 1, and the service type of the data to be transmitted is the VR service, the service requirement information determined by the first gateway is the service requirement information 1; if the destination address of the data to be transmitted is the destination address 2.
  • the service type of the data to be transmitted is a video-on-demand service, and the service requirement information determined by the first gateway is service requirement information 2; if the destination address of the data to be transmitted is destination address 3, the service type of the data to be transmitted is a video game service , the service requirement information determined by the first gateway is service requirement information 3 .
  • the destination address of the data to be transmitted The service type of the data to be transmitted business need information destination address 1 VR business Business Need Information 1 destination address 2 video on demand service Business Requirement Information 2 destination address 3 video game business Business Requirement Information 3
  • Step 303 The first gateway device sends service requirement information to the controller.
  • the first gateway also sends the source address of the data to be transmitted, the destination address of the data to be transmitted and the next hop address to the controller, so as to notify the controller of the start node and end node of the pipeline to be established.
  • the source address of the data to be transmitted is the address of the terminal, for example, the source address of the data to be transmitted is the IP address of the terminal.
  • the next hop address is the address of the second gateway device, for example, the next hop address is the IP address of the second gateway device.
  • the second gateway device may be gateway device 1032 in FIG. 1A .
  • the first gateway device also sends the protocol port identifier to the controller.
  • the source address of the data to be transmitted, the destination address of the data to be transmitted, the next hop address or the protocol port identifier may be sent together with the service requirement information, or may be sent separately.
  • the controller receives the service requirement information from the first gateway device.
  • the controller also receives the source address of the data to be transmitted, the destination address and the next hop address of the data to be transmitted from the first gateway device. Further, the controller also receives the protocol port identifier from the first gateway device.
  • Step 304 The controller establishes a pipeline for the data to be transmitted in the network according to the service requirement information.
  • the pipeline includes N forwarding devices.
  • N is an integer greater than or equal to 1.
  • the controller acquires the first correspondence and the second correspondence.
  • the first correspondence is the correspondence between the address of the first gateway device and the user-to-network interface (UNI) of the first forwarding device in the network.
  • the second correspondence is the correspondence between the address of the second gateway device and the UNI of the second forwarding device in the network.
  • the first forwarding device is connected to the first gateway device, and the second forwarding device is connected to the second gateway device.
  • the address of the first gateway device may be the IP address of the first gateway device.
  • the address of the second gateway device may be the IP address of the second gateway device.
  • the first gateway device 402 is connected to the forwarding device 404 through the UNI 1 of the forwarding device 404
  • the first correspondence may be as shown in Table 5.
  • the second gateway device 403 is connected to the forwarding device 405 through the UNI 2 of the forwarding device 405, the second corresponding relationship may be as shown in Table 6.
  • the controller may detect the above-mentioned first correspondence and second correspondence through an interface.
  • the controller may broadcast an address resolution protocol (ARP) request including the address of the first gateway device or the address of the second gateway device to all devices in the network, and receive a return message. Subsequently, the controller may determine the first correspondence and the second correspondence according to the returned message.
  • ARP address resolution protocol
  • the controller establishes a pipeline for the data to be transmitted in the network according to the service requirement information, including: the controller establishes a pipeline for the data to be transmitted in the network according to the service requirement information, the first correspondence and the second correspondence. pipeline.
  • the pipeline established by the controller includes a forwarding device 404 and a forwarding device 405 .
  • the controller establishes a pipeline for the data to be transmitted in the network according to the service requirement information, the first correspondence and the second correspondence, including: the controller determines the forwarding resource according to the service requirement information, the first correspondence and the second correspondence. and the forwarding table of each forwarding device among the N forwarding devices.
  • the forwarding resource is used to indicate N forwarding devices and resources used by each forwarding device.
  • the resource used by the forwarding device is used to indicate one or more of the bandwidth of the data to be transmitted, the time slot of the data to be transmitted, and the thread corresponding to the data to be transmitted. It should be understood that in practical applications, the resources used by the forwarding device also include other information, which is not limited.
  • the forwarding table includes the identifier of the inbound interface and the identifier of the outbound interface corresponding to the identifier of the inbound interface.
  • the forwarding table corresponding to the forwarding device 404 includes: 1, and interface 2 corresponding to interface 1.
  • the controller determines the first forwarding device connected to the first gateway device and the first forwarding device connected to the second gateway device according to the source address of the data to be transmitted, the destination address of the data to be transmitted, the first correspondence and the second correspondence.
  • the second forwarding device determines the forwarding device between the first forwarding device and the second forwarding device, and each forwarding device among the first gateway device, the second gateway device and the N forwarding devices according to the network topology and service requirement information Resources and forwarding tables used.
  • the first forwarding device, the second forwarding device, and the forwarding device between the first forwarding device and the second forwarding device are included in the N forwarding devices.
  • the first gateway device and the second gateway device are connected through a forwarding device.
  • the first gateway device is connected to the first forwarding device, the second forwarding device, and the second gateway device in sequence.
  • the first gateway device is the gateway device 402
  • the first forwarding device is the forwarding device 404
  • the second forwarding device is the forwarding device 405
  • the second gateway device is the gateway device 403 .
  • the topology of the network may be as shown in FIG. 5 .
  • the first gateway device is the gateway device 502
  • the first forwarding device is the forwarding device 504
  • the second forwarding device is the forwarding device 505
  • the forwarding device between the first forwarding device and the second forwarding device is the forwarding device 506,
  • the second gateway device is the gateway device 503 .
  • N is greater than 3
  • the number of forwarding devices between the first forwarding device and the second forwarding device is greater than 1, that is, in this case, the first forwarding device and the second forwarding device pass through. Multiple forwarding device connections.
  • the controller determines the forwarding resources and the N forwarding devices according to the service requirement information, the first corresponding relationship and the second corresponding relationship. After the forwarding table of each forwarding device, it can send N forwardings to the N forwarding devices respectively. Forwarding resources and forwarding tables corresponding to each forwarding device in the device. The controller also sends the forwarding resource and the forwarding table corresponding to the first gateway device to the first gateway device, and sends the forwarding resource and the forwarding table corresponding to the second gateway device to the second gateway device.
  • the controller sends the forwarding resource and the forwarding table corresponding to the gateway device 402 to the gateway device 402; the controller sends the forwarding resource and the forwarding table corresponding to the forwarding device 404 to the forwarding device 404; The controller sends the forwarding resource and the forwarding table corresponding to the forwarding device 405 to the forwarding device 405 ; the controller sends the forwarding resource and the forwarding table corresponding to the gateway device 403 to the gateway device 403 .
  • the forwarding resources corresponding to each of the N forwarding devices, the forwarding resources corresponding to the first gateway device, and the forwarding resources corresponding to the second gateway device are all resources dedicated to data to be transmitted. That is to say, the forwarding resources corresponding to each of the forwarding devices, the forwarding resources corresponding to the first gateway device, and the forwarding resources corresponding to the second gateway device are used for transmitting the data to be transmitted, and cannot be used for other services. Therefore, when the data to be transmitted is transmitted in the pipeline, the demand indicated in the business demand information can be satisfied.
  • the controller sends the response information of the service requirement information to the first gateway device.
  • the response information is used to indicate whether the pipeline is established successfully.
  • the first gateway device After receiving the response information, the first gateway device sends the response information to the terminal.
  • step 304 the terminal communicates with the service server through the pipeline.
  • the terminal may send, to the controller through the first gateway device, service requirement information for indicating the requirement of the data to be transmitted on the network.
  • the controller can, according to the service requirement information, establish a pipeline for the data to be transmitted in the network that meets the requirement of the data to be transmitted on the network.
  • the forwarding resources used by the forwarding device, the first gateway device or the second gateway device in the pipeline are all configured by the controller for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline, it can satisfy the The network demand of the data to be transmitted can also be improved, and the utilization rate of network resources can also be improved.
  • the above-mentioned service requirement information may change.
  • the terminal needs to send the update requirement information to the controller through the first gateway device, so that the controller can update the original pipeline or re-establish the pipeline according to the update demand information.
  • the method shown in FIG. 3 further includes steps 601 to 603 .
  • Step 601 The terminal sends update requirement information to the first gateway device.
  • the update requirement information is used to indicate the updated service requirement information.
  • the updated requirement information includes the updated business requirement information.
  • the update requirement information includes bandwidth information 1, delay information 1, packet loss rate 1, and delay jitter information 1.
  • the updated demand information includes information different from the above-mentioned business demand information in the updated business demand information.
  • the service requirement information includes bandwidth information 1, delay information 1, packet loss rate 1 and delay jitter information 1
  • the updated service requirement information includes bandwidth information 1, delay information 1, packet loss rate 1 and Taking the delay jitter information 2 as an example, the update requirement information includes the delay jitter information 2 .
  • the update requirement information may also include the address of the terminal and the address of the service server, so as to inform the controller which pipeline the update requirement information is for, or which service requirement information is for.
  • the first gateway device receives the update requirement information from the terminal.
  • Step 602 The first gateway device sends update requirement information to the controller.
  • the controller receives the update requirement information from the first gateway device.
  • Step 603 The controller updates the above-mentioned pipeline according to the update requirement information, or re-establishes the pipeline in the network.
  • the control will first determine the updated business according to the update requirement information and the business requirement information. demand information.
  • the controller can determine the updated service requirement.
  • the information includes bandwidth information 1, delay information 1, packet loss rate 1, and delay jitter information 2.
  • the controller can re-establish the pipeline in the network, or it can not re-establish the pipeline. If the controller determines to re-establish the pipeline, the controller will remove the pipeline established in the above step 304, and then re-establish the pipeline.
  • the process of the controller re-establishing the pipeline in the network is similar to the process of establishing the pipeline in step 304. For details, reference may be made to the process of establishing the pipeline in the above-mentioned step 304, which will not be repeated. If the controller determines not to re-establish the pipeline, the pipeline can be updated.
  • the controller updates the above-mentioned pipeline according to the update requirement information, including: the controller determines the forwarding resources corresponding to the first gateway device, the forwarding resources corresponding to the second gateway device, and N according to the update requirement information and the network topology. Forwarding resources corresponding to each forwarding device in the forwarding devices.
  • control After the control re-establishes the pipeline in the network, it sends the forwarding resources and the forwarding table corresponding to each of the N forwarding devices to the N forwarding devices, and sends the corresponding forwarding table of the first gateway device to the first gateway device.
  • the forwarding resources and forwarding table corresponding to the second gateway device are sent to the second gateway device.
  • the forwarding resources corresponding to the forwarding device are sent to the N forwarding devices, the forwarding resources corresponding to the first gateway device are sent to the first gateway device, and the corresponding forwarding resources of the second gateway device are sent to the second gateway device. forwarding resources.
  • the controller sends response information for updating the requirement information to the first gateway device.
  • the response information is used to indicate whether the pipeline is updated successfully, or whether the pipeline is re-established successfully.
  • the first gateway device After receiving the response information, the first gateway device sends the response information to the terminal.
  • step 603 the terminal communicates with the service server through the updated pipeline or the re-established pipeline.
  • the terminal may send the update requirement information to the controller through the first gateway device.
  • the controller can update the originally established pipeline or re-establish the pipeline according to the update requirement information. In this way, when the data to be transmitted is transmitted in the updated pipeline or the re-established pipeline, the new demand of the data to be transmitted on the network can be satisfied.
  • the terminal when the terminal ends communication with the service server, the terminal may send an access end notification message to the controller through the first gateway device, so that the controller removes the pipeline.
  • the method shown in FIG. 3 further includes steps 701 to 703 .
  • Step 701 The terminal sends an access end notification message to the first gateway device.
  • the access end notification message is used to instruct to remove the pipeline established by the controller for the terminal and the service server.
  • the access end notification message includes the address of the terminal and the address of the service server, so as to notify the controller which pipeline or service requirement information the access end notification message is for.
  • the first gateway device receives an access end notification message from the terminal.
  • Step 702 The first gateway device sends an access end notification message to the controller.
  • the controller receives an access end notification message from the first gateway device.
  • Step 703 The controller removes the above-mentioned pipeline according to the access end notification message.
  • the controller sends indication information to the N forwarding devices, the first gateway device and the second gateway device.
  • the indication information is used to instruct to delete the forwarding resource and forwarding table configured for the data to be transmitted on each device.
  • steps 701 to 703 can also be executed after step 603 .
  • the terminal when the terminal ends communication with the service server, the terminal can send an access end notification message to the controller through the first gateway device, so that the controller removes the pipe according to the access end notification message.
  • the N forwarding devices or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the terminal when the communication ends, the terminal notifies the controller to remove the pipeline through the first gateway device.
  • the first gateway device may also notify the controller to remove the pipeline.
  • the first gateway device may have the function of monitoring the usage of the network by the terminal.
  • the method shown in FIG. 3 further includes steps 801 to 803 .
  • Step 801 The first gateway device determines to stop using the pipe established by the controller for the data to be transmitted.
  • the first gateway device may determine to stop using the pipe established by the controller for the data to be transmitted under the following exemplary circumstances.
  • the first gateway device does not detect that the terminal communicates with the service server through the pipeline, and the first gateway device determines to stop using the pipeline established by the controller for the data to be transmitted.
  • the first gateway device when the first gateway device detects that the terminal membership expires, it determines to stop using the pipe established by the controller for the data to be transmitted.
  • the first gateway device when the first gateway device detects that the account balance of the terminal is less than or equal to the threshold value, it determines to stop using the pipe established by the controller for the data to be transmitted.
  • Step 802 The first gateway device sends an access end notification message to the controller.
  • the access end notification message is used to instruct to remove the pipeline established by the controller for the terminal and the service server.
  • the access end notification message includes the address of the terminal and the address of the service server, so as to notify the controller which pipeline or service requirement information the access end notification message is for.
  • the controller receives an access end notification message from the first gateway device.
  • Step 803 The controller removes the above-mentioned pipe according to the access end notification message.
  • the controller sends indication information to the N forwarding devices, the first gateway device and the second gateway device.
  • the indication information is used to instruct to delete the forwarding resource and forwarding table configured for the data to be transmitted on each device.
  • steps 801 to 803 can also be executed after step 603 .
  • the first gateway device determines to stop using the pipe established by the controller for the data to be transmitted, it can send an access end notification message to the controller, so that the controller removes the pipe according to the access end notification message.
  • the N forwarding devices or the forwarding resources corresponding to the N forwarding devices can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices and the utilization rate of the resources in the network.
  • the service server uses the first bandwidth to send data to the terminal.
  • the service server uses the second bandwidth to send data to the terminal, and the second bandwidth is greater than the first bandwidth.
  • the service server uses the third bandwidth to send data to the terminal, and the third bandwidth is greater than the second bandwidth; if the packet loss rate is greater than or equal to the threshold within the preset time, the service The server uses a fourth bandwidth to send data to the terminal, and the fourth bandwidth is smaller than the second bandwidth.
  • the throughput can be as shown in FIG. 9A .
  • the service server has to constantly try to find the appropriate bandwidth, and packet loss will often occur.
  • the bandwidth used by the service server is small, which will cause delay.
  • the terminal can negotiate network parameters with the service server, and communicate through the negotiated network parameters.
  • the terminal may notify the service server of the network parameters of the pipe through the pipe, so that the terminal and the service server communicate according to the network parameters.
  • the method shown in FIG. 3 further includes steps 1001 to 1002 .
  • Step 1001 The terminal sends negotiation information to the service server.
  • the negotiation information is used to notify the service server of the network parameters of the pipeline.
  • the negotiation information includes at least one of the following information: bandwidth information, delay information or packet loss rate.
  • bandwidth information is used to indicate the bandwidth corresponding to the pipe
  • delay information is used to indicate the delay corresponding to the pipe
  • packet loss rate is the packet loss rate corresponding to the pipe.
  • the terminal sends negotiation information to the service server through a pipeline.
  • the terminal after the terminal performs three-way handshake with the service server and establishes a connection, the terminal sends negotiation information to the service server.
  • the service server receives the negotiation information from the terminal.
  • Step 1002 The terminal communicates with the service server according to the network parameters.
  • the terminal communicates with the service server through a pipeline.
  • both the terminal and the service server know the network parameters of the pipeline at this time. Therefore, the terminal and the service server do not need to use a tentative method to transmit data, but use the network parameters of the pipeline to transmit data. In this case, the throughput can be as shown in Figure 9B.
  • the terminal can notify the service server of the network parameters of the pipeline, and communicate with the service server according to the network parameters. In this way, when the terminal communicates with the service server according to the network parameters, a larger and more stable throughput can be obtained, and packet loss and delay caused by the tentative transmission can be reduced.
  • FIG. 3 , FIG. 6 , FIG. 7 , FIG. 8 and FIG. 10 take the communication system shown in FIG. 1A as an example.
  • the method for establishing a pipeline provided by an embodiment of the present application is described below by taking the communication system shown in FIG. 1B as an example.
  • the terminal and the service server communicate through two networks of different domains.
  • the terminal and the service server may also communicate through three or more networks of different domains.
  • the method for establishing a pipeline in this case is similar to the method for establishing a pipeline when the terminal and the service server communicate through networks of two different domains. Therefore, refer to the methods shown in Figures 11-15 below.
  • FIG. 11 another method for establishing a pipeline is provided in this embodiment of the present application.
  • the method includes steps 1101-1108.
  • Step 1101 The terminal 105 obtains service requirement information.
  • Step 1102 the terminal 105 sends the service requirement information to the gateway device 1071 .
  • Step 1103 The gateway device 1071 sends the service requirement information to the controller 1073.
  • Step 1104 The controller 1073 establishes a pipeline 1 in the network 107 for the data to be transmitted according to the service requirement information.
  • Step 1105 The gateway device 1071 sends the service requirement information to the gateway device 1072 through at least one forwarding device.
  • the at least one forwarding device is included in the network 107 .
  • the gateway device 1072 receives the service requirement information from the gateway device 1071 through at least one forwarding device.
  • steps 1103-1104 may be performed first, followed by step 1105, or steps 1105 may be performed first, followed by steps 1103-1104, or steps 1103-1104 and step 1105 may be performed simultaneously.
  • Step 1106 The gateway device 1072 sends the service requirement information to the gateway device 1081.
  • the gateway device 1081 receives the service requirement information from the gateway device 1072 .
  • Step 1107 The gateway device 1081 sends the service requirement information to the controller 1083.
  • Step 1108 The controller 1083 establishes a pipeline 2 in the network 108 for the data to be transmitted according to the service requirement information.
  • the terminal 105 may send the service requirement information to the controller 1073 through the gateway device 1071 for indicating the requirement of the data to be transmitted on the network.
  • the controller 1073 can establish a pipeline 1 for the data to be transmitted in the network 107 that meets the network requirement of the data to be transmitted according to the service requirement information.
  • the terminal 105 may also send, to the controller 1083 through the gateway device 1071 , the gateway device 1072 and the gateway device 1081 , service requirement information for indicating the network requirements of the data to be transmitted.
  • the controller 1083 can establish a pipeline 2 for the data to be transmitted in the network 108 that meets the network requirement of the data to be transmitted according to the service requirement information.
  • the forwarding resources used by the forwarding device, the gateway device 1071 or the gateway device 1072 in the pipeline 1 are all configured by the controller 1073 for the data to be transmitted according to the service requirement information.
  • the forwarding resources used by the forwarding device, the gateway device 1081 or the gateway device 1082 in the pipeline 2 are all configured by the controller 1083 for the data to be transmitted according to the service requirement information. Therefore, when the data to be transmitted is transmitted in the pipeline 1 and the pipeline 2, the demand of the data to be transmitted on the network can be met, and in addition, the utilization rate of network resources can be improved.
  • the above-mentioned service requirement information will change.
  • the terminal 105 needs to send the update requirement information to the controller 1073 through the gateway device 1071, so that the controller 1073 updates the original pipe 1 or re-establishes the pipe 3 according to the update requirement information.
  • the terminal 105 also needs to send the update requirement information to the controller 1083 through the gateway device 1071, the gateway device 1072 and the gateway device 1081, so that the controller 1083 can update the original pipeline 2 or re-establish the pipeline 4 according to the update demand information.
  • the method shown in FIG. 11 further includes steps 1201 to 1207 .
  • Step 1201 the terminal 105 sends the update requirement information to the gateway device 1071 .
  • Step 1202 The gateway device 1071 sends the update requirement information to the controller 1073.
  • Step 1203 The controller 1073 updates the above-mentioned pipeline 1 according to the update requirement information, or re-establishes the pipeline 3 in the network 107 .
  • Step 1204 The gateway device 1071 sends the update requirement information to the gateway device 1072 through at least one forwarding device.
  • the at least one forwarding device is included in the network 107 .
  • the gateway device 1072 receives the update requirement information from the gateway device 1071 through at least one forwarding device.
  • step 1202-step 1203 may be performed first, and then step 1204 may be performed, or step 1204 may be performed first, then step 1202-step 1203 may be performed, or step 1202-step 1203 and step 1204 may be performed simultaneously.
  • Step 1205 The gateway device 1072 sends the update requirement information to the gateway device 1081.
  • the gateway device 1081 receives the update requirement information from the gateway device 1072 .
  • Step 1206 The gateway device 1081 sends the update requirement information to the controller 1083.
  • Step 1207 The controller 1083 updates the above-mentioned pipeline 2 according to the update requirement information, or re-establishes the pipeline 4 in the network 108 .
  • the terminal 105 can send the update requirement information to the controller 1073 through the gateway device 1071 .
  • the controller 1073 can update the previously established pipeline 1 or re-establish the pipeline 3 according to the update requirement information.
  • the terminal 105 may also send the update requirement information to the controller 1083 through the gateway device 1071 , the gateway device 1072 and the gateway device 1081 .
  • the controller 1083 can update the originally established pipeline 2 or re-establish the pipeline 4 according to the update demand information. In this way, when the data to be transmitted is transmitted in the updated pipeline 1 or the re-established pipeline 3, the new requirements of the network for the data to be transmitted can be satisfied.
  • the data to be transmitted is transmitted in the updated pipeline 2 or the re-established pipeline 4 During transmission, it can meet the new demands of the data to be transmitted on the network.
  • the terminal 105 may send an access end notification message to the controller 1073 through the gateway device 1071, so that the controller 1073 Pipe 1 removed.
  • the terminal 105 may also send an access end notification message to the controller 1083 through the gateway device 1071 , the gateway device 1072 and the gateway device 1081 , so that the controller 1083 removes the pipe 2 .
  • the method shown in FIG. 11 further includes steps 1301 to 1307 .
  • Step 1301 The terminal 105 sends an access end notification message to the gateway device 1071 .
  • Step 1302 The gateway device 1071 sends an access end notification message to the controller 1073.
  • Step 1303 The controller 1073 removes the above-mentioned pipe 1 according to the access end notification message.
  • Step 1304 The gateway device 1071 sends an access end notification message to the gateway device 1072 through at least one forwarding device.
  • the at least one forwarding device is included in the network 107 .
  • the gateway device 1072 receives the access end notification message from the gateway device 1071 through at least one forwarding device.
  • steps 1302-1303 may be performed first, followed by step 1304, or steps 1304 may be performed first, followed by steps 1302-1303, or steps 1302-1303 and step 1304 may be performed simultaneously.
  • Step 1305 The gateway device 1072 sends an access end notification message to the gateway device 1081.
  • the gateway device 1081 receives the access end notification message from the gateway device 1072 .
  • Step 1306 The gateway device 1081 sends an access end notification message to the controller 1083.
  • Step 1307 The controller 1083 removes the above-mentioned pipe 2 according to the access end notification message.
  • the terminal 105 when the terminal 105 ends the communication with the service server 106, the terminal 105 can send an access end notification message to the controller 1073 through the gateway device 1071, so that the controller 1073 can remove the pipe 1 according to the access end notification message.
  • the terminal 105 may send an access end notification message to the controller 1083 through the gateway device 1071, the gateway device 1072 and the gateway device 1081, so that the controller 1083 removes the pipe 2 according to the access end notification message.
  • the forwarding resources corresponding to the forwarding devices in the above-mentioned pipes 1 and 2 or the forwarding devices in the pipes 1 and 2 can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices in the network and the utilization rate of resources.
  • the terminal 105 when the communication ends, notifies the controller 1073 to remove the pipe 1 through the gateway device 1071 , and notifies the controller 1083 to remove the pipe 2 through the gateway device 1071 , the gateway device 1072 and the gateway device 1081 .
  • the gateway device 1071 can also notify the controller 1073 to remove the pipe 1, and the gateway device 1071 can also notify the controller through the gateway device 1072 and the gateway device 1081 1083 Remove pipe 2.
  • the gateway device 1071 may have a function of monitoring the usage of the network 107 by the terminal 105 .
  • the method shown in FIG. 11 further includes steps 1401 to 1407 .
  • Step 1401 The gateway device 1071 determines to stop using the pipe 1 established by the controller 1073 for the data to be transmitted and the pipe 2 established by the controller 1083 for the data to be transmitted.
  • Step 1402 The gateway device 1071 sends an access end notification message to the controller 1073.
  • Step 1403 The controller 1073 removes the above-mentioned pipe 1 according to the access end notification message.
  • Step 1404 The gateway device 1071 sends an access end notification message to the gateway device 1072 through at least one forwarding device.
  • the at least one forwarding device is included in the network 107 .
  • the gateway device 1072 receives the access end notification message from the gateway device 1071 through at least one forwarding device.
  • steps 1402-1403 may be performed first, followed by step 1404, or steps 1404 may be performed first, followed by steps 1402-1403, or steps 1402-1403 and step 1404 may be performed simultaneously.
  • Step 1405 The gateway device 1072 sends an access end notification message to the gateway device 1081.
  • the gateway device 1081 receives the access end notification message from the gateway device 1072 .
  • Step 1406 The gateway device 1081 sends an access end notification message to the controller 1083.
  • Step 1407 The controller 1083 removes the above-mentioned pipe 2 according to the access end notification message.
  • the gateway device 1071 determines to stop using the pipe 1 established by the controller 1073 for the data to be transmitted and the pipe 2 established by the controller 1083 for the data to be transmitted, it can send an access end notification message to the controller 1073 , so that the controller 1073 removes the pipe 1 according to the access end notification message.
  • An access end notification message may also be sent to the controller 1083 through the gateway device 1072 and the gateway device 1082, so that the controller 1083 removes the pipe 2 according to the access end notification message.
  • the forwarding resources corresponding to the forwarding devices in the above-mentioned pipes 1 and 2 or the forwarding devices in the pipes 1 and 2 can be subsequently allocated to other services, which can improve the utilization rate of the forwarding devices in the network and the utilization rate of resources.
  • the terminal 105 and the service server 106 will use a tentative method to transmit data.
  • the terminal 105 and the service server 106 will use a tentative method to transmit data.
  • packet loss often occurs.
  • the bandwidth used is relatively small, which may occur when extension.
  • the terminal 105 may negotiate network parameters with the service server 106, and communicate through the negotiated network parameters.
  • the terminal 105 may notify the service server 106 of the network parameters of the pipe 1 and the pipe 2 through the pipe 1 and the pipe 2, so that the terminal 105 and the service server 106 can The network parameters communicate.
  • the method shown in FIG. 11 further includes steps 1501 to 1502 .
  • Step 1501 The terminal 105 sends the negotiation information to the service server 106 .
  • Step 1502 The terminal 105 communicates with the service server 106 according to the network parameters.
  • the terminal 105 can notify the service server 106 of the network parameters of the pipeline 1 and the pipeline 2, and communicate with the service server 106 according to the network parameters. In this way, when the terminal communicates with the service server according to the network parameters, a larger and more stable throughput is obtained, and packet loss and delay caused by the tentative transmission are reduced.
  • the foregoing mainly introduces the solutions provided by the embodiments of the present application from the perspective of interaction between various network elements.
  • the above-mentioned terminal, the first gateway device, the controller, or the service server, etc. include corresponding hardware structures and/or software modules for executing each function.
  • the unit and algorithm operations of each example described in conjunction with the embodiments disclosed herein can be implemented in hardware or in the form of a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • the terminal, the first gateway device, the controller, or the service server may be divided into functional modules according to the foregoing method examples.
  • each functional module may be divided into each function, or two or more functions may be divided into two or more functional modules.
  • integrated in a processing module can be implemented in the form of hardware, and can also be implemented in the form of software function modules. It should be noted that, the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation.
  • FIG. 16 shows a schematic structural diagram of a communication device.
  • the communication device may be a controller or a chip or a system-on-chip in the controller, or other combined devices, components, etc. that can realize the functions of the above terminal equipment, and the communication device may be used to execute the functions of the controller involved in the above embodiments.
  • the communication apparatus shown in FIG. 16 includes: a communication module 1601 and a processing module 1602 .
  • the communication module 1601 is configured to receive service requirement information from the first gateway device, where the service requirement information is used to indicate the requirement of the network managed by the communication device for the data to be transmitted between the terminal and the service server, and the first gateway device is connected to the communication device.
  • the terminal is connected, the service server is connected with a second gateway device, and the first gateway device and the second gateway device are connected through the network.
  • the communication module 1601 may be used to perform step 303 .
  • the processing module 1602 is configured to establish a pipeline for the data to be transmitted in the network according to the service requirement information, the pipeline includes N forwarding devices, and the data to be transmitted satisfies the requirement when transmitted in the pipeline, and N is greater than or an integer equal to 1.
  • processing module 1602 may be used to perform step 304 .
  • the processing module 1602 is specifically configured to establish a pipeline for the data to be transmitted in the network according to the service requirement information, the first correspondence and the second correspondence; wherein the first correspondence is the correspondence between the address of the first gateway device and the user network interface UNI of the first forwarding device in the network; the second correspondence is the address of the second gateway device and the UNI of the second forwarding device in the network The first forwarding device is connected with the first gateway device, and the second forwarding device is connected with the second gateway device.
  • the processing module 1602 is specifically configured to determine, according to the service requirement information, the first corresponding relationship and the second corresponding relationship, the forwarding resource and the forwarding value of each forwarding device among the N forwarding devices. Publish; wherein, the forwarding resource is used to indicate the N forwarding devices and the resource used by each forwarding device.
  • the communication module 1601 is further configured to send the forwarding resource and the forwarding table corresponding to each of the N forwarding devices to the N forwarding devices respectively.
  • the communication module 1601 is further configured to receive update requirement information from the first gateway device, where the update requirement information is used to indicate the updated service requirement information.
  • the communication module 1601 is further configured to receive an access end notification message from the first gateway device, where the access end notification message is used to instruct to remove the pipeline.
  • the business requirement information includes service level agreement information.
  • the communication device is presented in the form of dividing each functional module in an integrated manner.
  • Module herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that may provide the functions described above.
  • the communication device may take the form shown in FIG. 2 .
  • the processor 201 in FIG. 2 may invoke the computer-executed instructions stored in the memory 203 to cause the communication apparatus to execute the method for establishing a pipeline in the foregoing method embodiments.
  • the function/implementation process of the communication module 1601 and the processing module 1602 in FIG. 16 may be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203 .
  • the function/implementation process of the processing module 1602 in FIG. 16 can be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203, and the function/implementation process of the communication module 1601 in FIG. 2 in the communication interface 204 to achieve.
  • the communication device provided in this embodiment can execute the above-mentioned method for establishing a pipeline, reference can be made to the above-mentioned method embodiments for the technical effects that can be obtained, and details are not repeated here.
  • FIG. 17 shows a schematic structural diagram of a communication device.
  • the communication device may be a terminal or a chip or a system-on-chip in the terminal, or other combined devices, components, etc. that can realize the above-mentioned terminal functions, and the communication device may be used to perform the functions of the terminal involved in the above-mentioned embodiments.
  • the communication apparatus shown in FIG. 17 includes: a processing module 1701 and a communication module 1702 .
  • the processing module 1701 is configured to acquire service requirement information, where the service requirement information is used to indicate the requirement of the data to be transmitted between the communication device and the service server on the network managed by the controller. For example, in conjunction with FIG. 3 , the processing module 1701 may be used to perform step 301 .
  • the communication module 1702 is configured to send the service requirement information to the first gateway device.
  • the communication module 1702 may be used to perform step 302 .
  • the communication module 1702 is further configured to send negotiation information to the service server, where the negotiation information is used to notify the service server of the network parameters of the pipeline, where the pipeline is the controller for the data to be transmitted established, the pipeline includes N forwarding devices, when the data to be transmitted is transmitted in the pipeline, the requirement is met, and N is an integer greater than or equal to 1; the communication module 1702 is also used to communicate with the service server according to the network parameters communication.
  • the negotiation information includes at least one of the following information: bandwidth information, delay information, or packet loss rate.
  • the communication module 1702 is further configured to send update requirement information to the first gateway device, where the update requirement information is used to indicate the updated service requirement information.
  • the communication module 1702 is further configured to send an access end notification message to the first gateway device, where the access end notification message is used to instruct the controller to remove the communication device and the service server established by the controller pipeline.
  • the business requirement information includes service level agreement information.
  • the communication device is presented in the form of dividing each functional module in an integrated manner.
  • Module herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that may provide the functions described above.
  • the communication device may take the form shown in FIG. 2 .
  • the processor 201 in FIG. 2 may invoke the computer-executed instructions stored in the memory 203 to cause the communication apparatus to execute the method for establishing a pipeline in the foregoing method embodiments.
  • the function/implementation process of the processing module 1701 and the communication module 1702 in FIG. 17 may be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203 .
  • the function/implementation process of the processing module 1701 in FIG. 17 can be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203, and the function/implementation process of the communication module 1702 in FIG. 2 in the communication interface 204 to achieve.
  • the communication device provided in this embodiment can execute the above-mentioned method for establishing a pipeline, reference can be made to the above-mentioned method embodiments for the technical effects that can be obtained, and details are not repeated here.
  • FIG. 18 shows a schematic structural diagram of a communication apparatus.
  • the communication device may be a first gateway device or a chip or a system-on-chip in the first gateway device, or other combined devices, components, etc. that can realize the functions of the above-mentioned terminal device, and the communication device can be used to execute the first step involved in the above-mentioned embodiment.
  • a function of the gateway device may be a first gateway device or a chip or a system-on-chip in the first gateway device, or other combined devices, components, etc.
  • the communication apparatus shown in FIG. 18 includes: a processing module 1801 and a communication module 1802 .
  • the processing module 1801 is configured to acquire service requirement information, where the service requirement information is used to indicate the requirement of the data to be transmitted between the terminal and the service server on the network managed by the controller. For example, in conjunction with FIG. 3 , processing module 1801 may be used to perform step 302 .
  • the communication module 1802 is configured to send the service requirement information to the controller.
  • the communication module 1802 may be used to perform step 303 .
  • the processing module 1801 is specifically configured to receive the service requirement information from the terminal through the communication module.
  • the processing module 1801 is specifically configured to obtain the destination address of the data to be transmitted, and/or the service type of the data to be transmitted; the processing module 1801 is also specifically configured to obtain the destination address and/or the service type of the data to be transmitted; /or the business type determines the business requirement information.
  • the communication module 1802 is configured to receive the update requirement information from the terminal, where the update requirement information is used to indicate the updated service requirement information; the communication module 1802 is further configured to send the update requirement information to the controller The update request information.
  • the communication module 1802 is further configured to receive an access end notification message from the terminal, where the access end notification message is used to instruct to remove the pipe established by the controller for the data to be transmitted; the communication module 1802 , and is also used to send the access end notification message to the controller.
  • the processing module 1801 is further configured to determine to stop using the pipeline established by the controller for the data to be transmitted; the communication module 1802 is further configured to send the access end notification message to the controller, the The access end notification message is used to instruct to remove the pipe established by the controller for the data to be transmitted.
  • the business requirement information includes service level agreement information.
  • the communication device is presented in the form of dividing each functional module in an integrated manner.
  • Module herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that may provide the functions described above.
  • the communication device may take the form shown in FIG. 2 .
  • the processor 201 in FIG. 2 may invoke the computer-executed instructions stored in the memory 203 to cause the communication apparatus to execute the method for establishing a pipeline in the foregoing method embodiments.
  • the functions/implementation process of the processing module 1801 and the communication module 1802 in FIG. 18 may be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203 .
  • the function/implementation process of the processing module 1801 in FIG. 18 can be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203, and the function/implementation process of the communication module 1802 in FIG. 2 in the communication interface 204 to achieve.
  • the communication device provided in this embodiment can execute the above-mentioned method for establishing a pipeline, reference can be made to the above-mentioned method embodiments for the technical effects that can be obtained, and details are not repeated here.
  • FIG. 19 shows a schematic structural diagram of a communication device.
  • the communication device may be a service server or a chip or a system-on-chip in the service server, or other combined devices, components, etc. that can implement the above-mentioned service server function, and the communication device may be used to perform the functions of the service server involved in the above embodiments.
  • the communication apparatus shown in FIG. 19 includes: a communication module 1901 .
  • the communication module 1901 is used to receive negotiation information from the terminal, the negotiation information is used to notify the communication device, the network parameters of the pipeline, the pipeline is established by the controller for the data to be transmitted between the terminal and the communication device, the The pipeline includes the N forwarding devices.
  • N is an integer greater than or equal to 1.
  • a communication module 1901 may be used to perform step 1001 .
  • the communication module 1901 is further configured to communicate with the terminal according to the network parameter. For example, in conjunction with FIG. 10 , the communication module 1901 may also be used to perform step 1002 .
  • the negotiation information includes at least one of the following information: bandwidth information, delay information, or packet loss rate.
  • the communication device is presented in the form of dividing each functional module in an integrated manner.
  • Module herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that may provide the functions described above.
  • the communication device may take the form shown in FIG. 2 .
  • the processor 201 in FIG. 2 may invoke the computer-executed instructions stored in the memory 203 to cause the communication apparatus to execute the method for establishing a pipeline in the foregoing method embodiments.
  • the function/implementation process of the communication module 1901 in FIG. 19 may be implemented by the processor 201 in FIG. 2 calling the computer-executed instructions stored in the memory 203 .
  • the function/implementation process of the communication module 1901 in FIG. 19 may be implemented through the communication interface 204 in FIG. 2 .
  • the communication device provided in this embodiment can execute the above-mentioned method for establishing a pipeline, reference can be made to the above-mentioned method embodiments for the technical effects that can be obtained, and details are not repeated here.
  • FIG. 20 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 200 includes one or more processors 2001 and an interface circuit 2002 .
  • the chip 200 may further include a bus 2003 . in:
  • the processor 2001 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by an integrated logic circuit of hardware in the processor 2001 or an instruction in the form of software.
  • the above-mentioned processor 2001 may be a general purpose processor, a digital communicator (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components .
  • DSP digital communicator
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the interface circuit 2002 is used for sending or receiving data, instructions or information.
  • the processor 2001 can use the data, instructions or other information received by the interface circuit 2002 to perform processing, and can send the processing completion information through the interface circuit 2002 .
  • the chip 200 further includes a memory, which may include a read-only memory and a random access memory, and provides operation instructions and data to the processor.
  • a portion of the memory may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • the memory stores executable software modules or data structures
  • the processor may execute corresponding operations by calling operation instructions stored in the memory (the operation instructions may be stored in the operating system).
  • the chip 200 may be used in a communication apparatus (including a controller, a terminal, a first gateway device, a second gateway device, or a service server) involved in the embodiments of the present application.
  • the interface circuit 2002 can be used to output the execution result of the processor 2001 .
  • processor 2001 and the interface circuit 2002 can be implemented by hardware design, software design, or a combination of software and hardware, which is not limited here.
  • FIG. 21 shows a schematic diagram of the composition of a communication system.
  • the communication system 210 may include: a controller 2101 , a terminal 2102 , a gateway device 2103 and a service server 2104 .
  • FIG. 21 is only an exemplary drawing, and the embodiment of the present application does not limit the network elements and the number of network elements included in the communication system 210 shown in FIG. 21 .
  • the controller 2101 has the function of the communication device shown in FIG. 16, and can be used to receive service requirement information from the gateway device 2103, and establish a pipeline for the data to be transmitted in the network according to the service requirement information.
  • the terminal 2102 has the functions of the communication device shown in FIG. 17 , and can be used to acquire service requirement information and send the service requirement information to the gateway device 2103 .
  • the gateway device 2103 has the function of the communication device shown in FIG. 18 , and can be used to acquire service requirement information and send the service requirement information to the controller 2101 .
  • the service server 2104 has the function of the communication device shown in FIG. 19, and can be used to receive negotiation information from the terminal 2102, and communicate with the terminal 2102 according to the network parameters.
  • the communication system 210 further includes a scheduling server 2105 .
  • the scheduling server 2105 may be used to determine the service server 2104 to be accessed for the terminal 2102 .
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be Incorporation may either be integrated into another device, or some features may be omitted, 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, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place, or may be distributed to multiple different places . Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a readable storage medium.
  • the technical solutions of the embodiments of the present application can be embodied in the form of software products in essence, or the parts that contribute to the prior art, or all or part of the technical solutions, which are stored in a storage medium , including several instructions to make a device (which may be a single-chip microcomputer, a chip, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, and other media that can store program codes.

Abstract

L'invention concerne un procédé et un appareil pour établir un pipeline, qui se rapportent au domaine technique des réseaux, et peut établir un pipeline pour des données entre un terminal et un serveur de service, de sorte que lorsque les données sont transmises dans le pipeline, les exigences des données pour un réseau soient satisfaites. Le procédé comprend les étapes suivantes : un dispositif de commande reçoit des informations d'exigence de service (303) en provenance d'un premier dispositif passerelle, les informations d'exigence de service étant utilisées pour indiquer des exigences, pour un réseau géré par un dispositif de commande, de données à transmettre entre le terminal et le serveur de service, le premier dispositif passerelle étant connecté au terminal, le serveur de service étant connecté à un second dispositif passerelle, et le premier dispositif passerelle et le second dispositif passerelle étant connectés au moyen du réseau ; et le dispositif de commande établit un pipeline pour lesdites données dans le réseau en fonction des informations d'exigence de service (304), le pipeline comprenant N dispositifs de transfert, et lorsque lesdites données sont transmises dans le pipeline, les exigences étant satisfaites, et N étant un nombre entier supérieur ou égal à 1.
PCT/CN2021/096552 2020-06-30 2021-05-27 Procédé et appareil d'établissement de pipeline WO2022001530A1 (fr)

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CN202010617458.7A CN113872998A (zh) 2020-06-30 2020-06-30 建立管道的方法及装置

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WO2010017176A1 (fr) * 2008-08-08 2010-02-11 Telcordia Technologies, Inc. Systèmes et procédés pour fournir et assurer une qualité de service (qos) pour des sessions sip point à point dans des réseaux mpls compatibles diffserv
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CN105991712A (zh) * 2015-02-12 2016-10-05 林琳 一种网络加速装置
CN106470168A (zh) * 2015-08-22 2017-03-01 华为技术有限公司 一种数据传输方法、使用该方法的交换机以及网络控制系统
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CN100514912C (zh) * 2005-08-19 2009-07-15 华为技术有限公司 一种基于区分服务的Pipe模型实现方法
WO2010017176A1 (fr) * 2008-08-08 2010-02-11 Telcordia Technologies, Inc. Systèmes et procédés pour fournir et assurer une qualité de service (qos) pour des sessions sip point à point dans des réseaux mpls compatibles diffserv
CN102104915A (zh) * 2009-12-22 2011-06-22 中国移动通信集团公司 一种基于PMIP的QoS控制方法和系统
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