CN116321250A - Data forwarding system and method - Google Patents

Data forwarding system and method Download PDF

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Publication number
CN116321250A
CN116321250A CN202310581557.8A CN202310581557A CN116321250A CN 116321250 A CN116321250 A CN 116321250A CN 202310581557 A CN202310581557 A CN 202310581557A CN 116321250 A CN116321250 A CN 116321250A
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data
forwarded
interface
uplink
downlink
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CN116321250B (en
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陈小雄
崔清
范志成
韩婵
高迎迎
曹艳平
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Beijing Starpoint Technology Co ltd
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Beijing Starpoint Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)

Abstract

The invention provides a data forwarding system and a method, which relate to the technical field of communication, wherein the system comprises: the system comprises a data transceiver, a data forwarding device and a communication instrument, wherein the data transceiver is used for sending downlink data to the data forwarding device; or, receiving uplink data sent by the data forwarding device; the data forwarding device is used for receiving the downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to the communication instrument; or, receiving the uplink data sent by the communication instrument, and sending the uplink data to the data transceiver based on the serial number of the uplink data; the communication instrument is used for receiving the data to be forwarded sent by the data forwarding equipment; or, the uplink data is sent to the data forwarding device. The data forwarding system and the method provided by the embodiment of the invention are used for reducing the test cost and simplifying the test process.

Description

Data forwarding system and method
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data forwarding system and method.
Background
In a high rate data transmission scenario, a cell handover typically affects the continuity of data transmission between multiple communication devices (e.g., terminals, base stations, core network devices, etc.).
In the related art, the following method is generally used to test the continuity of data transmission between communication devices: firstly, in a real communication scene, a plurality of communication devices involved in cell switching are built; and then, based on the data transmission flow of cell switching, enabling a plurality of communication devices to perform data transmission so as to realize the test of data transmission continuity.
In the related art described above, it is necessary to build the communication device in the real environment, so that the test cost is high and the test process is complicated. Therefore, the data forwarding system is designed for simulating data transmission among communication equipment so as to realize the test of data transmission continuity, thereby reducing the test cost and simplifying the test process, and becoming a technical problem to be solved urgently.
Disclosure of Invention
The invention provides a data forwarding system and a data forwarding method, which are used for solving the defects that communication equipment is required to be built in a real environment in the prior art, so that the testing cost is high and the testing process is complex, and realizing the testing of data transmission continuity, thereby reducing the testing cost and simplifying the testing process.
In a first aspect, the present invention provides a data forwarding system, comprising:
The data transceiver is used for sending downlink data to the data forwarding equipment; or, receiving uplink data sent by the data forwarding device;
the data forwarding device is used for receiving the downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to the communication instrument; or, receiving the uplink data sent by the communication instrument, and sending the uplink data to the data transceiver based on the serial number of the uplink data;
the communication instrument is used for receiving the data to be forwarded sent by the data forwarding equipment; or sending the uplink data to the data forwarding device.
According to the present invention, there is provided a data forwarding system, the data forwarding device including:
an uplink data interface, configured to receive a plurality of downlink data sent by the data transceiver;
the multi-core processor is used for adding serial numbers to the downlink data to obtain a plurality of data to be forwarded, and transmitting the plurality of data to be forwarded to a downlink data interface;
and the downlink data interface is used for sending the plurality of data to be forwarded to the communication instrument.
According to the data forwarding system provided by the invention, the downlink data interface is further used for receiving a plurality of uplink data sent by the communication instrument;
the multi-core processor is also used for extracting the serial numbers of all uplink data; based on the serial numbers of the uplink data, sequencing the uplink data to obtain sequenced uplink data, and transmitting the sequenced uplink data to the uplink data interface;
the uplink data interface is further configured to send the ordered plurality of uplink data to the data transceiver.
According to the data forwarding system provided by the invention, the data forwarding device further comprises: forwarding configuration interfaces;
the forwarding configuration interface is used for receiving data forwarding configuration information;
the multi-core processor is further configured to transmit the plurality of data to be forwarded to the downlink data interface based on the data forwarding configuration information.
According to the data forwarding system provided by the invention, the number of the downlink data interfaces is N, and N is an integer greater than or equal to 2;
the data forwarding configuration information comprises a shunting mode indication or a mirror mode indication; the split mode indication is used for indicating the data forwarding proportion of the N downlink data interfaces, splitting the data to be forwarded to the N downlink data interfaces, the mirror mode indication is used for indicating the transmission of the data to be forwarded to K downlink data interfaces, the K downlink data interfaces are interfaces in the N downlink data interfaces, and K is an integer which is greater than or equal to 0 and less than or equal to N;
The multi-core processor is configured to:
based on the shunting mode indication, shunting the data to be forwarded to N downlink data interfaces according to the data forwarding proportion of each of the N downlink data interfaces; the M data to be forwarded in the plurality of data to be forwarded are transmitted to a downlink data interface with the data forwarding proportion of M, wherein M is an integer greater than or equal to 0;
or alternatively, the process may be performed,
based on the mirror mode indication, copying the data to be forwarded into K parts, and transmitting the K parts of data to be forwarded to the K downlink data interfaces; wherein a piece of data to be forwarded is transmitted to a downlink data interface.
According to the data forwarding system provided by the invention, the communication instrument comprises N data receiving and transmitting interfaces, wherein the N data receiving and transmitting interfaces are in one-to-one correspondence with the N downlink data interfaces;
the data receiving and transmitting interface is used for receiving data to be forwarded sent by the corresponding downlink data interface; or, a plurality of uplink data are transmitted to the downlink data interface.
According to the data forwarding system provided by the invention, the communication instrument further comprises N indoor baseband processing units BBU, and the N BBUs are in one-to-one correspondence with the N data receiving and transmitting interfaces;
The data receiving and transmitting interface is further used for transmitting the received data to be forwarded to the corresponding BBU;
the BBU is used for carrying out baseband processing on the received data to be forwarded; or generating the plurality of uplink data and transmitting the plurality of uplink data to the corresponding data receiving and transmitting interface.
According to the data forwarding system provided by the invention, the forwarding configuration interface is a network port or a serial port;
the uplink data interface and the downlink data interface are high-speed serial computer expansion bus standard PCIe interfaces or network ports supporting a data plane development suite DPDK;
the multi-core processor is a multi-core processor supporting DPDK.
According to the data forwarding system provided by the invention, the data forwarding device further comprises: a power module;
the power module is used for supplying power to the data forwarding equipment.
In a second aspect, the present invention provides a data forwarding method, applied to a multicore processor in a data forwarding device, where the data forwarding device is included in the data forwarding system of any one of the first aspects, the method including:
receiving downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument;
Or alternatively, the process may be performed,
and receiving uplink data sent by the communication instrument, and sending the uplink data to the data transceiver based on the serial number of the uplink data.
According to the data forwarding method provided by the invention, the data forwarding device further comprises: an uplink data interface and a downlink data interface;
receiving the downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument, wherein the method comprises the following steps:
receiving a plurality of downlink data sent by the data transceiver through an uplink data interface;
adding sequence numbers to the downlink data to obtain the data to be forwarded, and transmitting the data to be forwarded to a downlink data interface;
and sending the plurality of data to be forwarded to the communication instrument through a downlink data interface.
According to the data forwarding method provided by the invention, uplink data sent by the communication instrument is received, and the uplink data is sent to the data transceiver based on the serial number of the uplink data, which comprises the following steps:
receiving a plurality of uplink data sent by the communication instrument through a downlink data interface;
Extracting serial numbers of all uplink data; based on the serial numbers of the uplink data, sequencing the uplink data to obtain sequenced uplink data, and transmitting the sequenced uplink data to the uplink data interface;
and sending the ordered plurality of uplink data to the data transceiver through an uplink data interface.
According to the data forwarding method provided by the invention, the data forwarding device further comprises: forwarding configuration interfaces;
transmitting the plurality of data to be forwarded to a downlink data interface, including:
receiving data forwarding configuration information through a forwarding configuration interface;
and transmitting the data to be forwarded to the downlink data interface based on the data forwarding configuration information.
According to the data forwarding method provided by the invention, the number of the downlink data interfaces is N, and N is an integer greater than or equal to 2;
the data forwarding configuration information comprises a shunting mode indication or a mirror mode indication; the split mode indication is used for indicating the data forwarding proportion of the N downlink data interfaces, splitting the data to be forwarded to the N downlink data interfaces, the mirror mode indication is used for indicating the transmission of the data to be forwarded to K downlink data interfaces, the K downlink data interfaces are interfaces in the N downlink data interfaces, and K is an integer which is greater than or equal to 0 and less than or equal to N;
Transmitting the plurality of data to be forwarded to the downlink data interface based on the data forwarding configuration information, including:
based on the shunting mode indication, shunting the data to be forwarded to N downlink data interfaces according to the data forwarding proportion of each of the N downlink data interfaces; the M data to be forwarded in the plurality of data to be forwarded are transmitted to a downlink data interface with the data forwarding proportion of M, wherein M is an integer greater than or equal to 0;
or alternatively, the process may be performed,
based on the mirror mode indication, copying the data to be forwarded into K parts, and transmitting the K parts of data to be forwarded to the K downlink data interfaces; wherein a piece of data to be forwarded is transmitted to a downlink data interface.
In a third aspect, the present invention also provides an electronic device, including: a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the processor, when executing the computer program, implements the data forwarding method according to any one of the second aspects.
In a fourth aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the data forwarding method according to any of the second aspects.
The invention provides a data forwarding system and a method, which send downlink data to data forwarding equipment through a data transceiver; or, receiving uplink data sent by the data forwarding device; the method comprises the steps of receiving downlink data sent by a data transceiver through data forwarding equipment, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument; or, receiving the uplink data sent by the communication instrument, and sending the uplink data to the data transceiver based on the serial number of the uplink data; receiving data to be forwarded sent by a data forwarding device through a communication instrument; or the uplink data is sent to the data forwarding equipment, so that the defects that the communication equipment is required to be built in a real environment in the prior art, the testing cost is high, the testing process is complex are overcome, the data transmission continuity is tested, and the purposes of reducing the testing cost and simplifying the testing process are achieved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a data forwarding system according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a data forwarding system according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of a data forwarding system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a data forwarding system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a downlink data processing flow provided in an embodiment of the present invention;
fig. 6 is a schematic diagram of an uplink data processing flow provided in an embodiment of the present invention;
FIG. 7 is a schematic diagram of a thread architecture provided by an embodiment of the present invention;
fig. 8 is a schematic flow chart of a data forwarding method according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an entity structure of an electronic device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present disclosure, the term "include" and variations thereof may refer to non-limiting inclusion; the term "or" and variations thereof may refer to "and/or". The terms "first," "second," and the like, herein, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. In the present invention, "at least one" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
In the related art, a plurality of communication devices related to cell switching are required to be built in a real communication scene, then based on a data transmission flow of the cell switching, the plurality of communication devices are enabled to perform data transmission so as to realize the test of data transmission continuity, and the communication devices are built in the real communication scene, so that the test cost is high and the test process is complex, therefore, a data forwarding system is designed and used for simulating the data transmission among the communication devices so as to realize the test of the data transmission continuity, thereby reducing the test cost and simplifying the test process, and becoming the technical problem to be solved urgently.
In order to solve the above technical problems, the present invention provides a data forwarding system, which includes: data transceiver, data forwarding device and communication instrument. The data forwarding system provided by the present invention is described below with reference to the embodiments of fig. 1 to 4.
Fig. 1 is a schematic diagram of a data forwarding system according to an embodiment of the present invention. As shown in fig. 1, the data forwarding system includes: a data transceiver 11, a data forwarding device 12 and a communication instrument 13.
Communication between the data transceiver 11, the data forwarding device 12 and the communication instrument 13 may be performed through a wired network or a wireless network. The wired network may include, for example, coaxial cable, twisted pair, fiber optic, and the like. The wireless network may include WIFI, bluetooth, and the like, for example.
A data transceiver 11 for transmitting downstream data to the data forwarding device 12; or, the uplink data transmitted by the headend device 12 is received.
Optionally, the number of downstream data is one or more.
Optionally, the number of uplink data is one or more.
Alternatively, the data transceiver 11 may be a base station or a network element, etc.
For example, in the case where the data transceiver 11 is a base station, the data transceiver 11 may be a next generation Node B (the next Generation Node B, gNB), a next generation eNB (ng-Evolved Node B, ng-eNB), or the like.
For example, in case the data transceiver 11 is a network element, the data transceiver 11 may be an access and mobility management function (Access and Mobility Management Function, AMF) or a user plane function (User Plane Function, UPF) or the like.
A data forwarding device 12, configured to receive the downlink data sent by the data transceiver 11, add a sequence number to the downlink data, obtain data to be forwarded, and send the data to be forwarded to the communication instrument 13; alternatively, the uplink data transmitted from the communication device 13 is received, and the uplink data is transmitted to the data transceiver 11 based on the sequence number of the uplink data.
A communication instrument 13, configured to receive data to be forwarded sent by the data forwarding device 12; alternatively, the upstream data is sent to the data forwarding device 12.
Alternatively, in the case where the data transceiver 11 is a base station, the communication instrument 13 may be a base station or a network element or the like. For example, in the case where the data transceiver 11 is a gNB, the communication instrument 13 may be AMF, UPF, gNB or a ng-eNB or the like;
alternatively, in case the data transceiver 11 is a network element, the communication instrument 13 may be a base station or a network element or the like. In case the data transceiver 11 is an AMF, the communication instrument 13 may be AMF, UPF, gNB or ng-eNB or the like.
In the embodiment of fig. 1, the data forwarding device 12 may receive the downlink data sent by the data transceiver 11, add a sequence number to the downlink data, obtain data to be forwarded, and send the data to be forwarded to the communication instrument 13. The data transfer device 12 may also receive the uplink data transmitted from the communication apparatus 13, and transmit the uplink data to the data transceiver 11 based on the sequence number of the uplink data. The data forwarding system formed by the data transceiver 11, the data forwarding device 12 and the communication instrument 13 can simulate uplink and downlink data transmission among the communication devices, so that the data transmission continuity is tested, a plurality of communication devices involved in cell switching are not required to be built in a real communication scene, and the purposes of reducing the test cost and simplifying the test process are achieved.
The following describes the data forwarding device 12 with reference to the embodiment of fig. 2, taking the example that the number of downstream data is plural.
Fig. 2 is a second schematic structural diagram of a data forwarding system according to an embodiment of the present invention. As shown in fig. 2, the data forwarding device 12 includes:
an uplink data interface 121, configured to receive a plurality of downlink data sent by the data transceiver 11.
The multi-core processor 122 is configured to add a sequence number to the plurality of downstream data, obtain a plurality of data to be forwarded, and transmit the plurality of data to be forwarded to the downstream data interface.
The downstream data interface 123 is configured to send a plurality of data to be forwarded to the communication device 13.
Optionally, the multicore processor 122 adds sequence numbers to the plurality of downstream data in the following way: counting a plurality of downlink data received from the data transceiver 11 to obtain a count value of each downlink data, and determining the count value as a serial number corresponding to the downlink data; for each downlink data, replacing original information on a preset number of continuous bits in a media access control address (Media Access Control Address, MAC) corresponding to the downlink data with a serial number of the downlink data to obtain data to be forwarded.
In some embodiments, the downstream data interface 123 is further configured to receive a plurality of upstream data sent by the communication apparatus 13.
The multi-core processor 122 is further configured to extract a sequence number of each uplink data, sort the plurality of uplink data based on the sequence number of each uplink data, obtain a plurality of sorted uplink data, and transmit the plurality of sorted uplink data to the uplink data interface.
The uplink data interface 121 is further configured to send the ordered plurality of uplink data to the data transceiver 11.
Alternatively, for each upstream data, the multicore processor 122 extracts a sequence number of the upstream data from within the MAC in the upstream data; inputting a plurality of uplink data and serial numbers of the uplink data into a rte _mbuf member variable seqn in a data plane development kit (Data Plane Development Kit, DPDK); and inserting rte _mbuf into a reordering library function of the DPDK, and ordering the plurality of uplink data based on the sequence numbers of the uplink data through the reordering library function to obtain a plurality of ordered uplink data.
In the embodiment of the invention, the plurality of uplink data are sequenced based on the serial numbers of the uplink data, so that the sequenced plurality of uplink data can be obtained, disorder of the uplink data can be avoided, the plurality of uplink data are sequenced based on DPDK, and the stability and reliability of sequencing the uplink data are improved.
Fig. 3 is a third schematic structural diagram of a data forwarding system according to an embodiment of the present invention. As shown in fig. 3, the data forwarding device 12 further includes:
a forwarding configuration interface 124 for receiving data forwarding configuration information.
Alternatively, the data forwarding configuration information may be from other devices, which may be, for example, computers, notebooks, tablet computers, or the like.
The multi-core processor 122 is further configured to transmit the plurality of data to be forwarded to the downstream data interface 123 based on the data forwarding configuration information.
In the embodiment of fig. 3, the forwarding configuration interface 124 receives the data forwarding configuration information, and the multicore processor 122 transmits a plurality of data to be forwarded to the downlink data interface 123 based on the data forwarding configuration information, so that different operations can be performed on the data to be forwarded in real time, thereby realizing real-time adaptation to different application scenarios and improving the application range of the data forwarding system.
Optionally, data forwarding device 12 includes a plurality of data interfaces.
Alternatively, the data interface may be a high-speed serial computer expansion bus standard (Peripheral Component Interconnect Express, PCIe) interface or a DPDK enabled portal.
Optionally, the data forwarding configuration information further includes an allocation indication of each of the plurality of data interfaces, the allocation indication being used to configure the data interface as an uplink data interface or a downlink data interface.
Optionally, the data forwarding configuration information further includes a switch indication of each of the plurality of data interfaces, the switch indication being used to indicate whether to turn on or off the data interface.
In the embodiment of the present invention, the data forwarding device 12 may configure the data interface as an uplink data interface or a downlink data interface based on the allocation indication, which improves flexibility of configuring the data interface by the data forwarding device 12, and further, the data forwarding device 12 may turn on or off the data interface based on the switch indication, which improves flexibility of controlling power consumption of the data interface.
In some embodiments, the number of downstream data interfaces 123 is N, N being an integer greater than or equal to 2;
the data forwarding configuration information comprises a shunting mode indication or a mirror mode indication; the splitting mode indication is used for indicating that the data to be forwarded are split into N downlink data interfaces 123 according to the data forwarding proportion of the N downlink data interfaces 123, the mirror mode indication is used for indicating that the data to be forwarded are transmitted to K downlink data interfaces 123, the K downlink data interfaces are interfaces in the N downlink data interfaces 123, and K is an integer greater than or equal to 0 and less than or equal to N;
Alternatively, the data forwarding proportion may be configured by the forwarding configuration interface 124, and may also be stored in the data forwarding device 12 in advance.
The multi-core processor 122 is configured to split the plurality of data to be forwarded to the N downstream data interfaces 123 according to the respective data forwarding proportions of the N downstream data interfaces 123 based on the split mode indication; wherein, M data to be forwarded in the plurality of data to be forwarded are transmitted to the downstream data interface 123 with the data forwarding proportion of M, where M is an integer greater than or equal to 0;
or alternatively, the process may be performed,
based on the mirror mode indication, copying the plurality of data to be forwarded into K shares, and transmitting the K shares of data to be forwarded to K downlink data interfaces 123; wherein a piece of data to be forwarded is transmitted to a downstream data interface 123.
In the following, a procedure for transmitting data to be forwarded by the multicore processor 122 based on the split mode indication or the mirror mode indication will be described with reference to fig. 4 by taking a plurality of data to be forwarded as an example.
Fig. 4 is a schematic structural diagram of a data forwarding system according to an embodiment of the present invention. As shown in fig. 4, for example, N is 4,4 downstream data interfaces 123 include interface 2, interface 3, interface 4, and interface 5, and upstream data interface 121 is interface 1.
If the data forwarding configuration information includes the split mode indication, if the data forwarding ratio of the interface 2 is 4, the data forwarding ratio of the interface 3 is 5, the data forwarding ratio of the interface 4 is 2, and the data forwarding ratio of the interface 5 is 0, the multi-core processor 122 transmits 4 data to be forwarded of the plurality of data to be forwarded to the interface 2, transmits 5 data to be forwarded of the plurality of data to be forwarded to the interface 3, transmits 2 data to be forwarded of the plurality of data to be forwarded to the interface 4, and transmits 0 data to be forwarded of the plurality of data to be forwarded to the interface 5.
In the case that the data forwarding configuration information includes the mirror mode indication, if the mirror mode indication indicates that a plurality of data to be forwarded is transmitted to the interface 3, the interface 4 and the interface 5, the multi-core processor 122 copies the plurality of data to be forwarded to 3 shares, and transmits 3 shares of data to be forwarded to the interface 3, the interface 4 and the interface 5, wherein one share of data to be forwarded is transmitted to one downlink data interface 123.
Alternatively, the multicore processor 122 may copy the plurality of data to be forwarded into 3 copies based on the shallow copy.
In the embodiment of the present invention, based on the split mode indication, the multi-core processor 122 splits the data to be forwarded to the N downlink data interfaces 123 according to the respective data forwarding ratios of the N downlink data interfaces 123, so as to implement the operation of splitting the data to be forwarded, thereby implementing the splitting of big data according to the ratio, meeting the requirements of special application scenarios, further reducing the test cost, and simplifying the test process.
In the embodiment of the invention, the multi-core processor 122 copies the data to be forwarded into K copies based on the mirror mode indication, and transmits the K copies of the data to be forwarded to the K downlink data interfaces 123, so that the operation of copying the data to be forwarded can be realized, the requirements of special application scenes are met, the test cost is reduced, the test process is simplified, further, the data to be forwarded is copied in a shallow copy mode, the copying can be completed more quickly, the copying efficiency is improved, the data transmission efficiency is further improved, the high-bandwidth data rapid receiving and transmitting processing is realized, the occupied space is reduced, and the storage resources of the data forwarding system are saved.
In some embodiments, the communication apparatus 13 includes N data transceiver interfaces (for example, n=4, as shown in fig. 4, where the 4 data transceiver interfaces include interfaces 6 to 9), and the N data transceiver interfaces are in one-to-one correspondence with the N downlink data interfaces 123.
The data transceiver interface is configured to receive data to be forwarded sent by the corresponding downlink data interface 123; alternatively, a plurality of uplink data are transmitted to the downlink data interface 123.
In some embodiments, the communication apparatus 13 further includes N indoor baseband processing units (Building Base band Unit, BBU) (e.g., n=4, as shown in fig. 4, where 4 BBUs include BBUs 1 to 4), and the N BBUs are in one-to-one correspondence with the N data transceiver interfaces.
The data receiving and transmitting interface is also used for transmitting the received data to be forwarded to the corresponding BBU;
the BBU is used for carrying out baseband processing on the received data to be forwarded; or generating a plurality of uplink data and transmitting the plurality of uplink data to the corresponding data receiving and transmitting interfaces.
Alternatively, by setting the number of BBUs and downstream data interfaces 123, the data forwarding system can test the application layer download rate of Uu interfaces in various networking modes. The multiple networking modes are, for example, an Option-3 architecture of Non-independent Networking (NSA) or independent networking (SA).
The Option-3 architecture is, for example, option-3x, or Option-3a.
For example, in the case where 1 BBU and 1 data transceiver interface are included in the communication instrument 13, the data forwarding system may test the application layer download rate of the Uu interface under the independent networking; in the case where 2 BBUs and 2 data transceiver interfaces are included in the communication instrument 13, the data forwarding system can test the application layer download rate of Uu interfaces under a non-independent networking.
In some embodiments, forwarding configuration interface 124 is a network port or a serial port.
For example, where forwarding configuration interface 124 is a portal, forwarding configuration interface 124 may be a tera-portal or a gigabit-portal.
In some embodiments, upstream data interface 121 and downstream data interface 123 are PCIe interfaces or DPDK enabled interfaces.
For example, in the case where the uplink data interface 121 and the downlink data interface 123 are ports supporting DPDK, the uplink data interface 121 and the downlink data interface 123 may be teraports or gigabit ports supporting DPDK.
In some embodiments, the multi-core processor 122 is a DPDK-enabled multi-core processor.
In the embodiment of the present invention, the uplink data interface 121, the downlink data interface 123 and the multi-core processor 122 all support DPDK, which can improve the performance and throughput of data processing and improve the working efficiency of the data forwarding system in a large data scenario and/or a high-rate data transmission scenario.
In some embodiments, headend device 12 also includes a power module for powering headend device 12.
Alternatively, the power module may be provided inside or outside the data forwarding system.
In the case where the power module is provided outside the data transfer system, the power module is, for example, a power Adapter (Adapter).
In the case where the power module is provided inside the data transfer system, the power module is, for example, a power panel.
In some embodiments, in the multi-core processor 122, one thread binds one core. Optionally, one thread in the multi-core processor 122 is bound to one core using core isolation and thread binding cores.
For example, the multi-core processor 122 includes a core 1, a core 2 and a core 3, the thread 1 is bound with the core 1, the thread 2 is bound with the core 2, the core 1 processes the thread 1, the core 2 processes the thread 2, the core 3 processes the thread 3, the thread 1 is responsible for receiving uplink data or downlink data, the thread 2 is responsible for processing the uplink data or the downlink data (including adding sequence numbers, sorting, splitting, copying, etc.), the thread 3 is responsible for transmitting the uplink data or the downlink data, and the data transmission is performed among the thread 1, the thread 2 and the thread 3 through a rte _ring queue of DPDK, which can be see the embodiment of fig. 7.
In an embodiment of the invention, one thread binds one core in the multi-core processor 122. Optionally, core isolation and thread binding are adopted to bind one thread in the multi-core processor 122 with one core, so that competition among different threads can be avoided, and real-time performance of execution of each thread is improved.
In some embodiments, data forwarding device 12 also includes a memory module for storing a computer program that may be run on multicore processor 122 to implement the data forwarding method shown in the embodiment of fig. 8.
The Linux operating system is installed in the storage module, and the multicore processor 122 can run a DPDK program under the Linux operating system.
The memory module may be, for example, an embedded multimedia card (Embedded Multi Media Card, eMMC) chip.
In some embodiments, the data forwarding device 12 further includes a memory module, where the memory module is configured to run a computer program stored in the storage module, and is further configured to buffer data generated during running the computer program, and may also be configured to buffer uplink data, downlink data, data to be forwarded, a sequence number, and the like.
The Memory module may be, for example, a double rate synchronous dynamic random Access Memory SDRAM (DDR SDRAM) chip.
Next, the uplink and downlink data processing flows will be described with reference to fig. 5 and 6, taking the uplink data interface 121 as an example, and the n=4, 4 downlink data interfaces 123 including the interface 2, the interface 3, the interface 4, and the interface 5.
Fig. 5 is a schematic diagram of a downlink data processing flow provided in an embodiment of the present invention. As shown in fig. 5, the downstream data processing flow includes: in the case that the interface 1 receives a plurality of downlink data sent by the data transceiver 11, the multi-core processor 122 adds a sequence number to the plurality of downlink data to obtain a plurality of data to be forwarded; based on the split mode indication, the multi-core processor 122 splits the plurality of data to be forwarded to the interfaces 2 to 5 according to the respective data forwarding proportions of the interfaces 2 to 5; alternatively, the multicore processor 122 copies the plurality of data to be forwarded into 4 parts based on the mirror mode indication, and transmits the 4 parts of data to be forwarded to the interfaces 2 to 5.
Fig. 6 is a schematic diagram of an uplink data processing flow provided in an embodiment of the present invention. As shown in fig. 6, the uplink data processing flow includes: when the interfaces 2 to 5 receive the plurality of uplink data transmitted from the communication device 13, the multi-core processor 122 extracts the sequence number of each uplink data, sorts the plurality of uplink data based on the sequence number of each uplink data, obtains a plurality of sorted uplink data, and transmits the plurality of sorted uplink data to the interface 1.
FIG. 7 is a schematic diagram of a thread architecture according to an embodiment of the present invention. As shown in fig. 7, thread 1 is responsible for receiving uplink data or downlink data, thread 2 is responsible for processing (including adding sequence numbers, ordering, splitting, copying, etc.) the uplink data or downlink data, and thread 3 is responsible for transmitting the uplink data or downlink data.
Regarding downstream data, the working process of the threads 1 to 3 will be described by taking the example that the N downstream data interfaces 123 include interfaces 2 to 5 and the upstream data interface 121 is interface 1.
In a split mode (a corresponding working mode is indicated by a split mode), the thread 1 is responsible for receiving a plurality of downlink data sent by the interface 1; the thread 2 is responsible for adding serial numbers to a plurality of downlink data to obtain a plurality of data to be forwarded; the thread 3 is responsible for shunting a plurality of data to be forwarded to the interfaces 2 to 5 according to the data forwarding proportion from the interfaces 2 to 5.
In a mirror mode (the mirror mode indicates a corresponding working mode), the thread 1 is responsible for receiving a plurality of downlink data sent by the interface 1; the thread 2 is responsible for adding serial numbers to a plurality of downlink data to obtain a plurality of data to be forwarded, and copying the plurality of data to be forwarded into 4 parts; thread 3 is responsible for transferring 4 copies of the data to be forwarded to interfaces 2 through 5.
Regarding the uplink data, the working process of the threads 1 to 3 will be described by taking the example that the N downlink data interfaces 123 include interfaces 2 to 5 and the uplink data interface 121 is interface 1.
Thread 1 is responsible for receiving a plurality of uplink data sent from interface 2 to interface 5 (the plurality of uplink data is all uplink data sent from interface 2 to interface 5); the thread 2 is responsible for extracting the serial numbers of all uplink data, and sequencing a plurality of uplink data based on the serial numbers of all uplink data to obtain a plurality of sequenced uplink data; thread 3 is responsible for transmitting the ordered plurality of upstream data to interface 1.
Fig. 8 is a flow chart of a data forwarding method according to an embodiment of the present invention. As shown in fig. 8, the method includes:
step 801, receiving downlink data sent by a data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument; or, the uplink data transmitted by the communication device is received, and the uplink data is transmitted to the data transceiver based on the sequence number of the uplink data.
The execution body of the data forwarding method provided by the embodiment of the invention is the data forwarding equipment or the multi-core processor in the data forwarding equipment. The data forwarding device is included in the data forwarding system according to any one of the above embodiments.
It should be noted that, the data forwarding method and the data forwarding system can achieve the same technical effect, and the beneficial effects of the data forwarding method are not repeated here.
In some embodiments, the data forwarding device further comprises: an uplink data interface and a downlink data interface;
receiving the downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument, wherein the method comprises the following steps:
receiving a plurality of downlink data sent by a data transceiver through an uplink data interface;
adding serial numbers to a plurality of downlink data to obtain a plurality of data to be forwarded, and transmitting the plurality of data to be forwarded to a downlink data interface;
and sending a plurality of data to be forwarded to the communication instrument through the downlink data interface.
In some embodiments, receiving the uplink data sent by the communication apparatus, and sending the uplink data to the data transceiver based on the sequence number of the uplink data, including:
Receiving a plurality of uplink data sent by a communication instrument through a downlink data interface;
extracting the serial numbers of the uplink data, sorting the plurality of uplink data based on the serial numbers of the uplink data to obtain a plurality of sorted uplink data, and transmitting the plurality of sorted uplink data to an uplink data interface;
and sending the sequenced plurality of uplink data to the data transceiver through the uplink data interface.
In some embodiments, the data forwarding device further comprises: forwarding configuration interfaces;
transmitting the plurality of data to be forwarded to a downlink data interface, including:
receiving data forwarding configuration information through a forwarding configuration interface;
and transmitting the plurality of data to be forwarded to a downlink data interface based on the data forwarding configuration information.
In some embodiments, the number of downstream data interfaces is N, N being an integer greater than or equal to 2;
the data forwarding configuration information comprises a shunting mode indication or a mirror mode indication; the data forwarding ratio of the N downstream data interfaces is indicated, the data to be forwarded is split into the N downstream data interfaces, the mirror mode indication is used for indicating the transmission of the data to be forwarded to the K downstream data interfaces, the K downstream data interfaces are interfaces in the N downstream data interfaces, and K is an integer greater than or equal to 0 and less than or equal to N;
Transmitting the plurality of data to be forwarded to the downlink data interface based on the data forwarding configuration information, including:
based on the shunting mode indication, shunting a plurality of data to be forwarded to N downlink data interfaces according to the respective data forwarding proportion of the N downlink data interfaces; m data to be forwarded in the plurality of data to be forwarded are transmitted to a downlink data interface with a data forwarding proportion of M, wherein M is an integer greater than or equal to 0;
or alternatively, the process may be performed,
based on the mirror image mode indication, copying the plurality of data to be forwarded into K parts, and transmitting the K parts of data to be forwarded to K downlink data interfaces; wherein a piece of data to be forwarded is transmitted to a downlink data interface.
Fig. 9 is a schematic diagram of an entity structure of an electronic device according to an embodiment of the present invention. As shown in fig. 9, the electronic device may include: a processor 910, a communication interface (Communications Interface), a memory 930, and a communication bus 940. Wherein the processor 910, the communication interface 920, and the memory 930 communicate with each other via a communication bus 940. Processor 910 can invoke logic instructions in memory 930 to perform a data forwarding method comprising: receiving downlink data sent by a data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument; or, the uplink data transmitted by the communication device is received, and the uplink data is transmitted to the data transceiver based on the sequence number of the uplink data.
Further, the logic instructions in the memory 930 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product comprising a computer program, the computer program being storable on a non-transitory computer readable storage medium, the computer program, when executed by a processor, being capable of performing the data forwarding method provided by the above methods, the method comprising: receiving downlink data sent by a data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument; or, the uplink data transmitted by the communication device is received, and the uplink data is transmitted to the data transceiver based on the sequence number of the uplink data.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform a data forwarding method provided by the above methods, the method comprising: receiving downlink data sent by a data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument; or, the uplink data transmitted by the communication device is received, and the uplink data is transmitted to the data transceiver based on the sequence number of the uplink data.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A data forwarding system, comprising:
the data transceiver is used for sending downlink data to the data forwarding equipment; or, receiving uplink data sent by the data forwarding device;
the data forwarding device is used for receiving the downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to the communication instrument; or, receiving the uplink data sent by the communication instrument, and sending the uplink data to the data transceiver based on the serial number of the uplink data;
the communication instrument is used for receiving the data to be forwarded sent by the data forwarding equipment; or sending the uplink data to the data forwarding device.
2. The data forwarding system of claim 1 wherein the data forwarding device comprises:
an uplink data interface, configured to receive a plurality of downlink data sent by the data transceiver;
the multi-core processor is used for adding serial numbers to the downlink data to obtain a plurality of data to be forwarded, and transmitting the plurality of data to be forwarded to a downlink data interface;
and the downlink data interface is used for sending the plurality of data to be forwarded to the communication instrument.
3. The data forwarding system of claim 2 wherein,
the downlink data interface is further used for receiving a plurality of uplink data sent by the communication instrument;
the multi-core processor is also used for extracting the serial numbers of all uplink data; based on the serial numbers of the uplink data, sequencing the uplink data to obtain sequenced uplink data, and transmitting the sequenced uplink data to the uplink data interface;
the uplink data interface is further configured to send the ordered plurality of uplink data to the data transceiver.
4. The data forwarding system of claim 2 wherein the data forwarding device further comprises: forwarding configuration interfaces;
The forwarding configuration interface is used for receiving data forwarding configuration information;
the multi-core processor is further configured to transmit the plurality of data to be forwarded to the downlink data interface based on the data forwarding configuration information.
5. The data forwarding system of claim 4 wherein the number of downstream data interfaces is N, N being an integer greater than or equal to 2;
the data forwarding configuration information comprises a shunting mode indication or a mirror mode indication; the split mode indication is used for indicating the data forwarding proportion of the N downlink data interfaces, splitting the data to be forwarded to the N downlink data interfaces, the mirror mode indication is used for indicating the transmission of the data to be forwarded to K downlink data interfaces, the K downlink data interfaces are interfaces in the N downlink data interfaces, and K is an integer which is greater than or equal to 0 and less than or equal to N;
the multi-core processor is configured to:
based on the shunting mode indication, shunting the data to be forwarded to N downlink data interfaces according to the data forwarding proportion of each of the N downlink data interfaces; the M data to be forwarded in the plurality of data to be forwarded are transmitted to a downlink data interface with the data forwarding proportion of M, wherein M is an integer greater than or equal to 0;
Or alternatively, the process may be performed,
based on the mirror mode indication, copying the data to be forwarded into K parts, and transmitting the K parts of data to be forwarded to the K downlink data interfaces; wherein a piece of data to be forwarded is transmitted to a downlink data interface.
6. The data forwarding system of claim 5 wherein the communication instrument comprises N data transceiver interfaces, the N data transceiver interfaces being in one-to-one correspondence with the N downstream data interfaces;
the data receiving and transmitting interface is used for receiving data to be forwarded sent by the corresponding downlink data interface; or, a plurality of uplink data are transmitted to the downlink data interface.
7. The data forwarding system of claim 6 wherein the communication instrument further comprises N indoor baseband processing units BBUs, the N BBUs being in one-to-one correspondence with the N data transceiver interfaces;
the data receiving and transmitting interface is further used for transmitting the received data to be forwarded to the corresponding BBU;
the BBU is used for carrying out baseband processing on the received data to be forwarded; or generating the plurality of uplink data and transmitting the plurality of uplink data to the corresponding data receiving and transmitting interface.
8. The data forwarding system of claim 4 wherein,
The forwarding configuration interface is a network port or a serial port;
the uplink data interface and the downlink data interface are high-speed serial computer expansion bus standard PCIe interfaces or network ports supporting a data plane development suite DPDK;
the multi-core processor is a multi-core processor supporting DPDK.
9. The data forwarding system of any of claims 2 to 7 wherein the data forwarding device further comprises: a power module;
the power module is used for supplying power to the data forwarding equipment.
10. A data forwarding method, applied to a data forwarding device, the data forwarding device being included in the data forwarding system of any one of claims 1 to 9, the method comprising:
receiving downlink data sent by the data transceiver, adding a serial number to the downlink data to obtain data to be forwarded, and sending the data to be forwarded to a communication instrument;
or alternatively, the process may be performed,
and receiving uplink data sent by the communication instrument, and sending the uplink data to the data transceiver based on the serial number of the uplink data.
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