CN109981214A - A kind of transfer control method and device - Google Patents

A kind of transfer control method and device Download PDF

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Publication number
CN109981214A
CN109981214A CN201711458777.2A CN201711458777A CN109981214A CN 109981214 A CN109981214 A CN 109981214A CN 201711458777 A CN201711458777 A CN 201711458777A CN 109981214 A CN109981214 A CN 109981214A
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China
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terminal equipment
transmission
packet loss
transmission quality
time delay
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CN201711458777.2A
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CN109981214B (en
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刘莉
林宏达
王学万
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

This application discloses a kind of transfer control method, data transmission method and relevant devices.The current transmission quality parameter value that short time test obtains is carried out between first terminal equipment and second terminal equipment the described method includes: obtaining；Inquire the corresponding multiple historic transmission quality parameter values of transmission quality model between first terminal equipment and second terminal equipment；The multiple historic transmission quality parameter value is corrected according to current transmission quality parameter value；Redundant transmission strategy is determined according to revised multiple historic transmission quality parameter values；Redundant transmission strategy is sent to first terminal equipment and second terminal equipment, redundant transmission strategy, the reliability of improve data transfer can be adjusted in real time according to network transmission characteristic in this way.

Description

A kind of transfer control method and device
Technical field
The present invention relates to the communications field more particularly to a kind of transfer control methods and device.
Background technique
Media transmission network feature refers to unique statistical nature that this specific application of media is shown on flow, this Kind feature includes the sudden of mass data stream, concurrency, continuous time and its distribution, delay characteristics and packet loss feature etc. to business body The influence tested.All kinds of business and application run on network with the fast development of Internet technology are also increasingly sophisticated, due to net Network characteristic, the complexity of media business and dynamic, so that the guarantee of network transmission quality becomes more and more difficult.Therefore urgent It needs to introduce new technological means to hold to carry out fine-grained management to network and business to adapt to the Internet media transmission quality Continuous variation.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of transfer control method and device, realize It is adapted to corresponding redundant transmission strategy according to different transmission module, to improve the purpose of network transmission quality.
In a first aspect, this application provides a kind of transfer control methods, comprising: transmission control unit obtains first terminal and sets The standby current transmission quality parameter value for carrying out short time test between second terminal equipment and obtaining；Such as: first terminal equipment and The packet loss and time delay that second terminal equipment is tested in 1 second；Transmission control unit obtain first terminal equipment and Transmission quality model between second terminal equipment, and establish the corresponding multiple historic transmission quality ginsengs of the transmission quality model Numerical value；Transmission quality device corrects multiple historic transmission quality parameter values according to current transmission quality parameter value；Transmission control dress Set the redundancy determined between first terminal equipment and second terminal equipment according to revised multiple historic transmission quality parameter values Transmission strategy；Redundant transmission strategy is sent to first terminal equipment and second terminal equipment by transmission control unit.
In a kind of possible design, the carry out short time test obtained between first terminal equipment and second terminal equipment is obtained To current transmission quality parameter value to include: transmission control unit survey in short-term to first terminal equipment and the transmission of second terminal equipment Examination instruction；Length of testing speech is carried in short time test instruction；Transmission control unit receives first terminal equipment and/or second terminal is set The standby current transmission quality parameter value tested in the length of testing speech.
In a kind of possible design, multiple historic transmission quality parameter value packets are corrected according to current transmission quality parameter value It includes:
It determines the average value of multiple historic transmission quality parameter values, and determines the mark of multiple historic transmission quality parameter values It is quasi- poor；The average and standard deviation of multiple historic transmission quality parameter values is corrected according to the following formula:
Wherein, mLost' is revised average value, and sLost' is revised standard deviation, and mLost is multiple history biography The average value of transmission quality parameter value, Lost are current transmission quality parameter value, and N is the number of multiple historic transmission quality parameter values Amount.
In a kind of possible design, obtains progress short time test between first terminal equipment and second terminal equipment and obtain Current transmission quality parameter value before, further includes:
Test instruction when sending long to first terminal equipment and/or first terminal equipment；Receive from first terminal equipment/ Or second terminal equipment multiple transport quality parameters values that instruction testing obtains when carrying out long；According to multiple transport quality parameters values Determine the transmission quality model between first terminal equipment and second terminal equipment.
In a kind of possible design, transport quality parameters value includes packet loss and time delay, and transmission quality model includes mutual Sufficient competition type, shared bandwidth threshold type, period deterioration type and the equipment of networking carry any one in buffer-type；
Wherein, the internet sufficient competition type meets: time delay is floated in specified range on the basis of the first time delay, is lost Packet rate is floated in specified range on the basis of the first packet loss；Or
The shared bandwidth threshold type meets: in the case that network flow is less than first threshold flow, time delay is first It floats in specified range on the basis of time delay, packet loss floats in specified range on the basis of the first packet loss；Work as network flow Not less than first flow threshold value and when being less than second flow threshold value, time delay and packet loss increase amount with the increase of network flow Add；When network flow is not less than second flow threshold value, time delay is floated in specified range on the basis of the second time delay, packet loss It floats in specified range on the basis of the second packet loss；Second time delay is greater than the first time delay, and the second packet loss is greater than first and loses Packet rate；Or
The period deterioration type meets: time delay and packet loss are alternately changed with stable period and deterioration period；Or
Equipment carries buffer-type and meets: when network flow is not more than flow threshold, packet loss is base in the first packet loss It floats in quasi- specified range, time delay increases with the increase of network flow；When network flow is greater than flow threshold, time delay It floats in specified range on the basis of the first time delay, packet loss increases with the increase of network flow.
In a kind of possible design, in the case where transmission quality model is internet sufficient competition type, redundant transmission Strategy includes: redundancy coefficient of the number of path between first terminal equipment and second terminal equipment more than or equal to 2,1 paths It is 1, the redundancy coefficient in remaining path is 1+mLost'+i × sLost', i >=2；Or
In the case where transmission quality model is shared bandwidth threshold type, redundant transmission strategy includes: first terminal equipment Number of path between second terminal equipment is greater than or equal to 1, the bandwidth between first terminal equipment and second terminal equipment When utilization rate is greater than preset threshold, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2；When first terminal is set When the standby bandwidth utilization rate between second terminal equipment is not more than preset threshold, the redundancy coefficient of each path is 1+ mLost'；Or
In the case where transmission quality model is period deterioration type, redundant transmission strategy includes: first terminal equipment and the Number of path between two terminal devices is greater than or equal to 2, when time delay and packet loss are in stable period, the redundancy system of each path Number is 1+mLost'+0.25 × i × sLost', i >=2；When time delay and packet loss are when deteriorating the period, the redundancy system of each path Number is 1+mLost'+i × sLost', i >=2；Or
In the case where transmission quality model is that equipment carries buffer-type, redundant transmission measurement includes: first terminal equipment Number of path between second terminal equipment is greater than or equal to 1, when time delay is less than delay threshold, less than the included buffer delay upper limit And packet loss, when being less than packet loss threshold value, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2；Otherwise, often The redundancy coefficient of paths is 1.
In a kind of possible design, obtains progress short time test between first terminal equipment and second terminal equipment and obtain Current transmission quality parameter value before, further includes:
Receive the triggering command that first terminal equipment or second terminal equipment are sent；The triggering command is for triggering adjustment Current redundant transmission measurement.
Second aspect, this application provides a kind of transfer control methods, comprising:
In the transport quality parameters value in current time between measurement and opposite equip.；It is greater than in transport quality parameters value and passes In the case where transmission quality parameter threshold, triggering command is sent to transmission control unit；Triggering command is for triggering the transmission control The current redundant transmission strategy of device modulates processed；Receive the redundant transmission strategy sent from the transmission control unit；According to Redundant transmission strategy transmission data packet.
In a kind of possible design, transport quality parameters value includes packet loss, and transport quality parameters threshold value is
In another aspect, providing a kind of terminal device, which, which has, realizes terminal device behavior in the above method Function.The function can also execute corresponding software realization by hardware realization by hardware.The hardware is soft Part includes one or more modules corresponding with above-mentioned function.
In a kind of possible implementation, the terminal device includes:
In alternatively possible implementation, the terminal device includes: receiver, transmitter, memory and processor； Wherein, batch processing code is stored in the memory, and the processor is for calling the program stored in the memory Code executes following operation:
Based on the same inventive concept, the principle and beneficial effect solved the problems, such as due to the device may refer to above-mentioned respectively may be used The method implementation and brought beneficial effect of the terminal device of energy, therefore the implementation of the device may refer to method Implement, overlaps will not be repeated.
In another aspect, providing a kind of terminal device, which, which has, realizes terminal device behavior in the above method Function.The function can also execute corresponding software realization by hardware realization by hardware.The hardware is soft Part includes one or more modules corresponding with above-mentioned function.
In a kind of possible implementation, the terminal device includes:
In alternatively possible implementation, the terminal device includes: receiver, transmitter, memory and processor； Wherein, batch processing code is stored in the memory, and the processor is for calling the program stored in the memory Code executes following operation:
Based on the same inventive concept, the principle and beneficial effect solved the problems, such as due to the device may refer to above-mentioned respectively may be used The method implementation and brought beneficial effect of the terminal device of energy, therefore the implementation of the device may refer to method Implement, overlaps will not be repeated.
The another aspect of the application has been mentioned for a kind of computer readable storage medium, in the computer readable storage medium It is stored with instruction, when run on a computer, so that computer executes method described in above-mentioned various aspects.
The another aspect of the application provides a kind of computer program product comprising instruction, when it runs on computers When, so that computer executes method described in above-mentioned various aspects.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly or in background technique below will be implemented the present invention Attached drawing needed in example or background technique is illustrated.
Fig. 1 a is a kind of network architecture diagram of communication system provided in an embodiment of the present invention；
Fig. 1 b is the schematic diagram of the transmission path between two users provided in an embodiment of the present invention；
Fig. 2 a is a kind of flow diagram of transfer control method provided in an embodiment of the present invention；
Fig. 2 b is the transmission characteristic schematic diagram of sufficient competition type in internet provided in an embodiment of the present invention；
Fig. 2 c is the transmission characteristic schematic diagram of shared bandwidth threshold type provided in an embodiment of the present invention；
Fig. 2 d is the transmission characteristic schematic diagram of period deterioration type provided in an embodiment of the present invention；
Fig. 2 e equipment provided in an embodiment of the present invention carries the transmission characteristic schematic diagram of buffer-type；
Fig. 3 is a kind of flow diagram of data transmission method provided in an embodiment of the present invention；
Fig. 4 a is the interaction schematic diagram of transfer control method provided in an embodiment of the present invention；
Fig. 4 b is the transmission characteristic schematic diagram of the shared bandwidth threshold type before improvement provided in an embodiment of the present invention；
The transmission characteristic schematic diagram of shared bandwidth threshold type after Fig. 4 c improvement provided in an embodiment of the present invention；
Fig. 5 is the interaction schematic diagram of determining transmission quality model provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of transmission control unit provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of data transmission device provided in an embodiment of the present invention；
Fig. 8 is a kind of hardware structural diagram of device provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described with reference to the attached drawing in the embodiment of the present invention.
Fig. 1 a be the present embodiments relate to a kind of communication system architecture schematic diagram, the communication system include transmission control Device processed and multiple terminal devices.Transmission control unit includes transmission control server and quality analysis server, transmission control Server and quality analysis server can be two independent entities, disposed, can also be deployed in simultaneously same respectively In a entity, the present embodiment is with no restriction.Quality analysis server is mainly used for being responsible for the detection of the whole network media transmission quality, visit Measured data analysis, the foundation of transmission quality model and database manipulation etc..Transmission control server is mainly used for detection data The generation etc. of amendment and redundant transmission strategy.Detect Agent is deployed in terminal device, Detect Agent is used to execute detection process, Collect and report detection data.
Referring to Fig. 1 b, the schematic diagram of the transmission path between two users a, user is Shenzhen enterprise, another use The non-Shanghai enterprise in family, Shenzhen enterprise include one or more terminal devices, and Shanghai enterprise includes that one or more terminals are set Standby, transmission control unit selects any one terminal in any one terminal device and Shanghai enterprise in the enterprise of Shenzhen Test when equipment carries out long determines the transmission quality model between Shenzhen enterprise and Shanghai enterprise.
The communication system can be global system for mobile communications (Global System for Mobile Communication, GSM), CDMA (Code Division Multiple Access, CDMA) system, wideband code division Multiple access (Wideband Code Division Multiple Access, WCDMA) system, worldwide interoperability for microwave accesses (Worldwide Interoperability for Microwave Access, WiMAX) system, long term evolution (long Term evolution, LTE) system, 5G communication system (such as (new radio, NR) system, a variety of communication technologys of newly eating dishes without rice or wine The communication system (such as communication system of LTE technology and NR technological incorporation) of fusion or subsequent evolution communication systems.
Terminal device in the application is a kind of equipment with wireless communication function, be can be with wireless communication function Handheld device, mobile unit, wearable device, calculate equipment or be connected to other processing equipments of radio modem Deng.Terminal device can be called different titles in different networks, such as: user equipment, access terminal, subscriber unit, Subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless telecom equipment, user Agency or user apparatus, cellular phone, wireless phone, session initiation protocol (Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) are stood, personal digital assistant (Personal Digital Assistant, PDA), the terminal device in 5G network or future evolution network etc..
Fig. 2 a is referred to, Fig. 2 a is a kind of flow diagram of transfer control method provided in an embodiment of the present invention, the party Method includes but is not limited to following steps:
S201, the current transmission quality that progress short time test obtains between first terminal equipment and second terminal equipment is obtained Parameter value.
Specifically, short time test indicates to test first terminal equipment within the specified short time test time and second terminal is set Current transmission quality parameter between standby, such as: the length of short time test time is 1s, and current transmission quality parameter includes packet loss Rate and/or time delay.Wherein, the method for the packet loss tested between first terminal equipment and second terminal equipment may is that first Terminal device sends the data packet of specified quantity within the short time test time, and second terminal equipment is united within the short time test time Count the quantity of the data packet received, quantity and expected received number of the second terminal equipment according to the data packet being an actually-received Packet loss is obtained according to the quantity of packet, such as: first terminal equipment sends 100 data packets to second terminal equipment in 1s, the Two terminal devices receive 90 data packets in 1s, and second terminal equipment determines that packet loss is 10%.It should be noted that It can be the data packet that second terminal equipment sends specified data to first terminal equipment within the short time test time, eventually by first End equipment determines packet loss.The method of time delay between test first terminal equipment and second terminal equipment may is that first is whole End equipment sends data packet to second terminal equipment, and data packet carries sending time, when second terminal equipment receives data packet, The time delay of the data packet is determined according to the sending time of receiving time and data packet, wherein second terminal equipment can count multiple The time delay of data packet averages to obtain the time delay between first terminal equipment and second terminal equipment.It should be noted that It can be second terminal equipment and send data packet to first terminal equipment, by first terminal device statistics time delay.
In a kind of possible embodiment, obtains and carry out short time test between first terminal equipment and second terminal equipment Before obtained current transmission quality parameter value, further includes:
Transmission control unit receives the triggering command sent from first terminal equipment or second terminal equipment, triggering command Current redundant transmission strategy is adjusted for triggering transmission control unit.
The corresponding multiple history of transmission quality model between S202, inquiry first terminal equipment and second terminal equipment pass Transmission quality parameter value.
Specifically, transmission quality model indicates that first terminal equipment and second terminal equipment are transmitted in the testing time when long The changing rule of quality parameter value, i.e. transmission quality model are determined according to multiple historic transmission quality parameter values；Example Such as: transmission quality model indicates that first terminal equipment and second terminal equipment are tested in 24 hours before S201 at interval of 1s Transport quality parameters value determines first terminal equipment and second terminal according to multiple transport quality parameters values that measurement obtains Transmission quality model between equipment.It is pre-established between transmission control unit inquiry first terminal equipment and second terminal equipment Transmission quality model, and obtain establish the corresponding multiple historic transmission quality parameter values of the transmission quality model.
In a kind of possible embodiment, transmission quality model is internet sufficient competition type, the transmission quality model The characteristics of be: when long test section in time delay float in specified range on the basis of the first time delay, such as: the first time delay is 20ms, specified range is +/- 10% or specified range is -10%~+5%；Finger of packet loss on the basis of the first packet loss Determine to float in range, such as: the first packet loss is 2%, and specified range is +/- 10% or specified range is -5%~+10%.Net Network flow is uncorrelated to packet loss and time delay, and network flow indicates the number transmitted between first terminal equipment and second terminal equipment The bandwidth occupied according to packet.
Such as: referring to fig. 2 shown in b, time delay on the basis of 20ms +/- 10% in the range of float, packet loss is 2% It floats in the range of +/- the 10% of benchmark, network flow does not have correlation with time delay and packet loss.
In a kind of possible embodiment, the characteristics of transmission quality model is shared bandwidth threshold type, the mode Be: when network flow is less than first flow threshold value, time delay is floated in specified range on the basis of the first time delay, and packet loss exists It floats in specified range on the basis of first packet loss；When network flow not less than first flow threshold value and is less than second flow threshold When value, time delay and packet loss increase with the increase of network flow；When network flow is not less than second flow threshold value, time delay It floating in specified range on the basis of the second time delay, packet loss floats in specified range on the basis of the second packet loss, the Two time delays are greater than the first time delay, and the second packet loss is greater than the first packet loss.Network flow indicates first terminal equipment and second eventually The bandwidth that the data packet transmitted between end equipment occupies.
Such as: referring to fig. 2 shown in c, network flow be less than 10M when, time delay on the basis of 20ms +/- 10% in the range of It floats；When network flow is greater than or equal to 10M and is less than 20M, time delay and packet loss increase with the increase of network flow；When Network flow be greater than or equal to 20M when, time delay on the basis of 40ms +/- 10% in the range of float, packet loss 8% be base It floats in the range of quasi- +/- 10%.
In a kind of possible embodiment, transmission quality model is period deterioration type, the characteristics of the transmission quality model Be: time delay and packet loss are alternately periodically changed with stable period and deterioration period.
Such as: referring to fig. 2 shown in d, the time delay deterioration periodically synchronous with packet loss, time delay and packet loss are every one section There is 1 first transition in time, and first transition is the deterioration period, and steady section is stable period.
In a kind of possible embodiment, transmission quality model is that equipment carries buffer-type, the transmission quality model Feature is: when network flow is not more than flow threshold, packet loss floats in specified range on the basis of the first packet loss, when Prolong the increase with network flow and increases；When network flow is more than flow threshold, finger of time delay on the basis of the first time delay Determine to float in range, packet loss increases with the increase of network flow.
Such as: referring to fig. 2 shown in e, when network flow be not more than 10M when, packet loss on the basis of 2% +/- 10% model Interior floating is enclosed, time delay increases with the increase of network flow；But when network flow is greater than 10M, packet loss is with network flow Increase and increase, time delay is floated in the range of +/- 10% on the basis of 45ms.
S203, multiple historic transmission quality parameter values are corrected according to current transmission quality parameter value.
Specifically, the quantity for establishing transmission quality model is the historic transmission quality parameter value previously measured, it cannot be accurate The current transmission quality situation of reaction, transmission control unit is multiple according to the current transmission quality value amendment that short time test obtains Historic transmission quality parameter value.
In a kind of possible embodiment, multiple historic transmission mass parameters are corrected according to current transmission quality parameter value Value includes:
It determines the average value of multiple historic transmission quality parameter values, and determines the standard of multiple historic transmission mass values Difference；The average and standard deviation of multiple historic transmission quality parameter values is corrected according to the following formula:
Wherein, mLost' is revised average value, and sLost' is revised standard deviation, and mLost is the multiple goes through The average value of history transport quality parameters value, Lost are the current transmission quality parameter value, and N is the multiple historic transmission quality The quantity of parameter value.
Specifically, transmission control unit can be multiple using arithmetic mean method, geometric average method or calculated with weighted average method The average value of historic transmission quality parameter value can also calculate average value using other methods, such as: multiple historic transmission quality The average value of parameter value are as follows:Transmission control unit calculates the mark of multiple historic transmission quality parameter values The method of quasi- difference may is thatN indicates the quantity of multiple historic transmission mass values, j table Show serial number, LostjIndicate that j-th of historic transmission quality parameter value, mLost indicate being averaged for multiple historic transmission mass parameters Value.
Revised average value are as follows:Revised standard deviation are as follows:
S204, first terminal equipment and second terminal equipment are determined according to revised multiple historic transmission quality parameter values Redundant transmission strategy.
Specifically, redundant transmission strategy is used to improve the reliable of data packet between first terminal equipment and second terminal equipment Property, redundant transmission strategy include number of path and redundancy coefficient, redundancy coefficient table show useful information and redundancy data volume it And the proportionate relationship between useful information.
In a kind of possible embodiment, in the case where transmission quality model is internet sufficient competition type, redundancy Strategy includes: that number of path is greater than or equal to 2, wherein the redundancy coefficient of 1 paths is CFEC=1, the redundancy coefficient in remaining path For CFEC=1+mLost'+i × sLost', i >=2.
Such as: in the case where transmission quality model is internet sufficient competition type, redundant transmission strategy includes: number of path Equal to 2, i.e., first terminal equipment and second terminal equipment use diversity on 2 transmission paths using 2 transmission paths are provided with Mode is transmitted, and the redundancy coefficient on 1 paths is CFEC=1, the redundancy coefficient CFEC=1+mLost'+ of another paths 2×sLost′。
In a kind of possible embodiment, in the case where transmission quality model is shared bandwidth threshold type, redundancy is passed Defeated strategy includes: that number of path is greater than or equal to 2, when the bandwidth that first terminal equipment and second terminal equipment are obtained in short time test When utilization rate is greater than preset threshold, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2；When short time test obtains When the bandwidth utilization rate between the first terminal equipment and the second terminal equipment arrived is not more than preset threshold, every road The redundancy coefficient of diameter is 1+mLost'.
Such as: redundant transmission strategy includes: that number of path is equal to 1, when the bandwidth utilization rate that short time test obtains is less than 80% When, the redundancy coefficient CFEC=1+mLost'+2 × sLost' in path.When the bandwidth utilization rate that short time test obtains is not less than When 80%, the redundancy coefficient CFEC=1+mLost' in path.
In a kind of possible embodiment, in the case where transmission quality model is period deterioration type, redundant transmission plan Slightly include: number of path be 2, first terminal equipment and second terminal equipment are determined according to the time delay and packet loss that measure in short-term When in stable period, redundancy coefficient CFEC=1+mLost'+0.25 × i × sLost', i >=2；When time delay and packet loss are bad When changing the period, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2.
Such as: the redundancy coefficient that number of path is equal to 2,1 paths is 1, when network is in stable period, another paths Redundancy coefficient CFEC=1+mLost'+0.25 × 2 × sLost', when network be in deterioration the period when, another paths it is superfluous Remaining coefficient CFEC=1+mLost'+2 × sLost'.
In a kind of possible embodiment, in the case where transmission quality model is that equipment carries buffer-type, redundancy is passed Defeated measurement includes: that number of path is greater than or equal to 1, when time delay is less than delay threshold, less than the included buffer delay upper limit and packet loss When less than packet loss threshold value, the redundancy coefficient of each path is 1+mLost '+i × sLost '；Otherwise the redundancy system of each path Number is 1.
Such as: number of path is equal to 1, when the time delay that short time test obtains is less than 40ms, and is less than the included buffer delay upper limit T', and the packet loss that short time test obtains is less than 2%, the redundancy coefficient CFEC=1+mLost'+2 × sLost' in the path；It is no Then, the redundancy coefficient in the path is 1.
S205, redundant transmission strategy is sent to first terminal equipment and second terminal equipment.
Specifically, determining redundant transmission strategy is sent to first terminal equipment to transmission control unit and second terminal is set Standby, first terminal equipment and second terminal equipment carry out data transmission according to the redundant transmission strategy received.
Implement the embodiment of the present invention, realizes and redundant transmission strategy is adjusted according to network transmission characteristic in real time, improve number According to the reliability of transmission.
It is a kind of flow diagram of transfer control method provided in an embodiment of the present invention referring to Fig. 3, implements in the present invention Example in, the method includes but be not limited to following steps:
S301, the transport quality parameters value between opposite equip. is being measured in current time.
Specifically, terminal device is measuring the transport quality parameters value between opposite equip., transmission quality in current time Parameter value includes but is not limited to: time delay and/packet loss.Terminal device can periodically measure transport quality parameters value, such as eventually End equipment measures the method for packet loss and time delay and the description referring to S202, herein using 1s as period measurement packet loss and time delay It repeats no more.
S302, transport quality parameters value be greater than transport quality parameters threshold value in the case where, to transmission control unit send Triggering command.
Specifically, terminal device it is pre-stored or it is prewired be set to transport quality parameters threshold value, terminal device judges when current Between in the case that the transport quality parameters value that measures is greater than transport quality parameters threshold value, send and trigger to transmission control unit Instruction, triggering command are used to indicate transmission control unit and adjust current redundant transmission strategy.
In a kind of possible embodiment, the transport quality parameters value includes packet loss, the transport quality parameters Threshold value isMLost indicates that the current time measures obtained multiple history before and passes mass parameter Be worth average value, current time described in sLost measures the standard deviation of obtained multiple historic transmission quality parameter values before, μ with Greater than 0.
Such as: the length of current time is 1s, and the packet loss that terminal device measures in 1s is Lost, terminal device The duration for obtaining the preceding 10s of current time once obtains 10 historic transmission quality parameter values at interval of 1s test are as follows: Lost1、 Lost2、…、Lost10, then
S303, the redundant transmission strategy from transmission control unit is received.
Specifically, terminal device receives the redundant transmission strategy sent from transmission control unit, local redundancy is updated Transmission strategy.Redundant transmission strategy includes the redundancy coefficient in number of path and each path.
S304, according to redundant transmission strategy transmission data packet.
Implement the embodiment of the present invention, the transport quality parameters value that terminal device measures in current time, which is greater than, to be passed In the case where transmission quality parameter threshold, instruction transmission control unit adjusts current redundant transmission strategy, and terminal device is according to tune Redundant transmission strategy transmission data packet after whole can improve the reliability of terminal device transmission data packet in this way.
Fig. 4 a is referred to, Fig. 4 a is a kind of interaction schematic diagram of transfer control method provided in an embodiment of the present invention, the party Method includes but is not limited to following steps:
S401, transmission control server send short time test instruction to second terminal equipment, and second terminal equipment, which receives, to be come The short time test instruction sent from transmission control server.
Specifically, short time test instruction is used to indicate terminal device progress quality test, example in section at the appointed time Such as: carrying out quality test in 1s, measure the transport quality parameters between first terminal equipment and second terminal equipment, transmit matter Measuring parameter value includes one of time delay, packet loss and network flow or a variety of.
S402, transmission control server send short time test instruction to first terminal equipment, and first terminal equipment, which receives, to be come The short time test instruction sent from transmission control server.
Specifically, the time interval phase that short time test instruction indicates in the time interval and S401 of short time test instruction instruction Together, short time test instruction is used to indicate the progress quality test in section at the appointed time of first terminal equipment, such as: in 1s Quality test is carried out, the transport quality parameters value between first terminal equipment and second terminal equipment, transport quality parameters are measured Value includes one of time delay, packet loss and network flow or a variety of.
Short time test is executed between S403, first terminal equipment and second terminal equipment.
Specifically, first terminal equipment sends multiple data packets to second terminal equipment in section at the appointed time, the Two terminal devices count packet loss and time delay and/or second terminal equipment at the appointed time in section to first terminal equipment Send multiple data packets, first terminal device statistics time delay and packet loss.
S404, second terminal equipment send test result to transmission control server, and transmission control server reception comes from The test result of second terminal equipment.
Specifically, test result includes the time delay and packet loss of second terminal device statistics.
S405, first terminal equipment send test result to transmission control server, and transmission control server reception comes from The test result of first terminal equipment.
Specifically, test result includes the time delay and packet loss of first terminal device statistics.
S406, quality analysis server send search instruction to transmission control server, and transmission control server, which receives, to be come From the search instruction of quality analysis server.
Specifically, the transmission path that search instruction is used to retrieve between first terminal equipment and second terminal equipment is corresponding Transmission quality model, the network address (such as: IP address) and second terminal that first terminal equipment can be carried in search instruction are set Standby network address (such as: IP address), transmission quality model includes internet sufficient competition type, shared bandwidth threshold type, week Phase deterioration type or equipment carry buffer-type.
S407, transmission control server send search result to quality analysis server, and quality analysis server, which receives, to be come From the search result of transmission control server.
Specifically, transmission control server according to the search instruction that receives obtain the network address of first terminal equipment with The network address of second terminal equipment determines the first network address section where the network address of first terminal equipment, and It determines the second network address range where the network address of second terminal equipment, obtains and first network address section and second The associated transmission quality model of network address range, first network address section and the second network address range include at least one Network address.In addition, transmission control server obtains the determining corresponding multiple historic transmission mass parameters of transmission quality model Value, such as: multiple historic transmission quality parameter values, which can be, to be randomly selected, and selection section at the appointed time in is also possible to , the present embodiment is with no restriction.Search result includes that the mark of determining transmission quality model and the transmission quality model correspond to Multiple historic transmission quality parameter values.
S408, quality analysis server determine transmission quality model and multiple history packet loss.
Specifically, quality analysis server determines that first terminal equipment and second terminal are set according to the search result received Transmission quality model and multiple history packet loss between standby, quality analysis server determine multiple history packet loss Average and standard deviation.
The average and standard deviation of multiple history packet loss is sent to transmission control service by S409, quality analysis server Device, transmission control server receive the average and standard deviation from quality analysis server.
S410, transmission control server correct the average and standard deviation of multiple history packet loss.
Specifically, transmission control server is gone through according to the amendment of the packet loss of S401 or the S402 short time test got is multiple The average and standard deviation of history packet loss.Such as: the method that transmission control unit calculates the standard deviation of multiple history packet loss can To be:
N indicates the quantity of multiple history packet loss, and j indicates serial number, Lostj Indicate that j-th of history packet loss, mLost indicate the average value of multiple packet loss.
Revised average value are as follows:Revised standard deviation are as follows:
S411, transmission control server send correction value to quality analysis server, and quality analysis server reception comes from Transmit the correction value of control server.
Specifically, quality analysis server saves revised average and standard deviation write-in database.
S412, transmission control server determine redundant transmission strategy.
Specifically, redundant transmission strategy is used to improve the reliable of data packet between first terminal equipment and second terminal equipment Property, redundant transmission strategy include number of path and redundancy coefficient, redundancy coefficient table show useful information and redundancy data volume it And the proportionate relationship between useful information.
Such as: referring to fig. 4 shown in b, determine the transmission of the transmission path between first terminal equipment and second terminal equipment Quality model is shared bandwidth threshold type, and the bandwidth upper limit is 15Mbps, and the bandwidth utilization rate of current network is multiple less than 80% The average value of history packet loss is 2.4%, and the standard deviation of multiple history packet loss is 0.33%, redundant transmission strategy are as follows: path Number is equal to 1, redundancy coefficient CFEC=1+ (mLost+2*sLost)=1+ (2.4%+2*0.33%)=1.036.
S413, transmission control server send redundant transmission strategy to second terminal equipment, and second terminal equipment, which receives, to be come From the redundant transmission strategy of transmission control server.
S414, transmission control server send redundant transmission strategy to first terminal equipment, and first terminal equipment, which receives, to be come The redundant transmission strategy sent from transmission control server.
S415, first terminal equipment execute redundant transmission strategy.
S416, second terminal equipment execute redundant transmission strategy.
Referring to fig. 4 shown in c, the transmission quality after first terminal equipment and second terminal equipment execution redundant transmission strategy is shown It is intended to, it can be seen from the figure that the packet loss between first terminal equipment and second terminal equipment has 2%-5.2% to be changed to 0.06%-0.08%, hence it is evident that reduce；Time delay is changed to 30ms-42ms time delay by 29ms-47ms and is held essentially constant, and first eventually Transmission reliability between end equipment and second terminal equipment is improved significantly.
Wherein, first terminal equipment and second terminal equipment it is per second to transmission control server report packet loss and time delay, Work as satisfaction
Lost > mLost+2*sLost, first terminal equipment or second terminal equipment send triggering to transmission control server Instruction, triggering command are used to indicate transmission control server and adjust current redundant transmission strategy, that is, re-execute S401 extremely S416, Lost are the packet loss that current 1s is tested, and mLost is being averaged for 10 packet loss that the preceding 10s of current 1s is obtained Value, sLost are the standard deviation for 10 packet loss that the preceding 10s of current 1s is obtained,.
In the method described in Fig. 4 a, realizes and redundant transmission strategy is adjusted according to network transmission characteristic in real time, improve The reliability of data transmission.
It is a kind of flow diagram of the method for determining transmission quality model provided in an embodiment of the present invention referring to Fig. 5, In the embodiment of the present invention, which comprises
Test instruction when S501, transmission control server send long to second terminal equipment, second terminal equipment, which receives, to be come From transmission control server it is long when test instruction.
Specifically, test instruction is used to indicate survey when executive chairman in section at the appointed time of second terminal equipment when long Examination, such as: it is tested in 24 hours by the period of 1s, obtains multiple transport quality parameters values, transport quality parameters value packet Include one of time delay, packet loss and network flow or a variety of.
Test instruction when S502, transmission control server send long to first terminal equipment, first terminal equipment, which receives, to be come From transmission control server it is long when test instruction.
Specifically, the time interval indicated in the time interval and S501 of test instruction instruction when long is identical, tested when long Test when instruction is used to indicate second terminal equipment executive chairman, such as: it is tested, is obtained more by the period of 1s in 24 hours A transport quality parameters value.
It is tested when S503, first terminal equipment and second terminal equipment executive chairman.
Specifically, first terminal equipment sends multiple data packets to second terminal equipment in section at the appointed time, the Two terminal devices count packet loss and time delay and/or second terminal equipment at the appointed time in section to first terminal equipment Send multiple data packets, first terminal device statistics time delay and packet loss.
S504, second terminal equipment send test result to transmission control server, and transmission control server reception comes from The test result of second terminal equipment.
Specifically, test result includes that second terminal equipment tests obtained multiple transmission matter in section at the appointed time Measure parameter value.
S505, first terminal equipment send test result to transmission control server, and transmission control server reception comes from The test result of first terminal equipment.
Specifically, test result includes that first terminal equipment tests obtained multiple transmission matter in section at the appointed time Measure parameter value.
S506, transmission control server determine transmission quality model.
Specifically, transmission control server is analyzed to obtain first according to the variation tendency of multiple transport quality parameters values Transmission quality model between terminal device and second terminal equipment.It should be noted that transmission control server can also be true Determine the first network address section where first terminal equipment, and determines second terminal equipment corresponding second network address area Between, the mapping relations between first network address section, the second network address range and transmission quality model are established, and in data The mapping relations are saved in library.Wherein, transmission quality model includes internet sufficient competition type, shared bandwidth threshold type, period Deterioration type and equipment carry buffer-type.
It is above-mentioned to illustrate the method for the embodiment of the present invention, the device of the embodiment of the present invention is provided below.
Fig. 6 is referred to, Fig. 6 is a kind of structural schematic diagram of transmission control unit provided in an embodiment of the present invention, simple below Weighing device 6, transmission control unit 6 can be server, which may include acquiring unit 601, query unit 602, amendment Unit 603, determination unit 604 and transmission unit 605, wherein each unit is described in detail as follows.
Acquiring unit 601 carries out what short time test obtained for obtaining between first terminal equipment and second terminal equipment Current transmission quality parameter value.
Query unit 602 inquires the transmission quality model between the first terminal equipment and the second terminal equipment Corresponding multiple historic transmission quality parameter values.
Amending unit 603 is joined for correcting the multiple historic transmission quality according to the current transmission quality parameter value Numerical value.
Determination unit 604, for determining redundant transmission strategy according to revised multiple historic transmission quality parameter values.
Transmission unit 605, for the redundant transmission strategy to be sent to the first terminal equipment and described second eventually End equipment.
Optionally, acquiring unit 601 is specifically used for:
Short time test instruction is sent to the first terminal equipment and the second terminal equipment；
Receive the test in specified duration of the first terminal equipment and/or second terminal equipment obtain described in work as forward pass Transmission quality parameter value.
Optionally, amending unit 603 is specifically used for:
It determines the average value of multiple historic transmission quality parameter values, and determines the mark of multiple historic transmission quality parameter values It is quasi- poor；
The average and standard deviation of multiple historic transmission quality parameter values is corrected according to the following formula:
Wherein, mLost' is the average value of revised multiple historic transmission quality parameter values, and sLost' is more after correcting The standard deviation of a historic transmission quality parameter value, mLost are the average value of the multiple historic transmission quality parameter value, Lostnew For the current transmission quality parameter value, N is the quantity of the multiple historic transmission quality parameter value, and j is historic transmission quality The serial number of parameter value, N are the integer greater than 1.
Optionally, determination unit 604, when being also used to send long to the first terminal equipment and the second terminal equipment Test instruction；
It receives and tests to obtain when within a specified time carrying out long from the first terminal equipment and/or second terminal equipment Multiple transport quality parameters values；
The biography between the first terminal equipment and the second terminal equipment is determined according to multiple transport quality parameters values Transmission quality model.
Optionally, transport quality parameters value includes one of packet loss, time delay and network flow or a variety of；
The transmission quality model includes internet sufficient competition type, shared bandwidth threshold type, period deterioration type and equipment Carry any one in buffer-type；
Wherein, sufficient competition type in internet meets: time delay is floated in specified range on the basis of the first time delay, packet loss It floats in specified range on the basis of the first packet loss；Or
Shared bandwidth threshold type meets: when network flow is less than first flow threshold value, time delay is on the basis of the first time delay Specified range in float, packet loss floats in specified range on the basis of the first packet loss；When network flow is not less than institute When stating first flow threshold value and being less than second flow threshold value, time delay and packet loss increase with the increase of network flow；Work as net When network flow is not less than second flow threshold value, time delay is floated in specified range on the basis of the second time delay, and packet loss is second It floats in specified range on the basis of packet loss, the second time delay is greater than the first time delay, and the second packet loss is greater than the first packet loss and includes；Or
The period deterioration type meets: time delay and packet loss are alternately changed with stable period and deterioration period；Or
The equipment carries buffer-type and meets: when network flow is not less than flow threshold, packet loss is in the first packet loss On the basis of specified range in float, time delay increases with the increase of network flow；When network flow is greater than the flow threshold When value, time delay is floated in specified range on the basis of the first time delay, and packet loss increases with the increase of network flow.
Optionally, which is characterized in that
In the case where the transmission quality model is the internet sufficient competition type, the redundant transmission strategy packet Include: the redundancy coefficient that number of path is greater than or equal to 2,1 paths is 1, the redundancy coefficient in remaining path be 1+mLost'+i × SLost', i >=2；Or
In the case where the transmission quality model is the shared bandwidth threshold type, the redundant transmission strategy includes: Number of path is greater than or equal to 1, and when current network flow utilization rate is greater than preset threshold, the redundancy coefficient of each path is 1+ MLost'+i × sLost', i >=2；When current network flow utilization rate is not more than preset threshold, the redundancy coefficient of each path For 1+mLost'；Or
In the case where the transmission quality model is the period deterioration type, the redundant transmission strategy includes: path The redundancy coefficient that number is greater than or equal to 1,1 paths is 1, when current network is in stable period, the redundancy system in remaining path Number is 1+mLost'+0.25 × i × sLost', i >=2；When current network is in the deterioration period, the redundancy coefficient in remaining path For 1+mLost'+i × sLost', i >=2；Or
In the case where the transmission quality model is that the equipment carries buffer-type, the redundant transmission strategy includes: Number of path is greater than or equal to 1；It is less than delay threshold, less than the included buffer delay upper limit and present packet loss is less than in current time delay When packet loss threshold value, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2；Otherwise the redundancy system of each path Number is 1.
Optionally, further includes:
Receiving unit, the triggering command sent for receiving the first terminal equipment or the second terminal equipment；Institute It states triggering command and adjusts current redundant transmission strategy for triggering.
The embodiment of the present invention and the embodiment of the method for Fig. 2 a, 3 and 4a are based on same design, bring technical effect also phase Together, detailed process can refer to the description of the embodiment of the method for Fig. 2 a, 3 and 4, and details are not described herein again.
Described device 6 can be server, or realize the field programmable gate array (field- of correlation function Programmable gate array, FPGA), special integrated chip, System on Chip/SoC (system on chip, SoC), center Processor (central processor unit, CPU), network processing unit (network processor, NP), digital signal Processing circuit, microcontroller (micro controller unit, MCU), can also use programmable controller (programmable logic device, PLD) or other integrated chips.
Fig. 7 is referred to, Fig. 7 is a kind of structural schematic diagram of data transmission device provided in an embodiment of the present invention, simple below Weighing device 7, the device 7 may include test cell 701, transmission unit 702, receiving unit 703 and execution unit 704, wherein Each unit is described in detail as follows.
Test cell 701, in the transport quality parameters value in current time between test and opposite equip..
Transmission unit 702 is used in the case where the biography quality parameter value is greater than transport quality parameters threshold value, to transmission Control device sends triggering command.
Receiving unit 703, for receiving the redundant transmission strategy sent from transmission control unit.
Execution unit 704, for according to the redundant transmission strategy transmission data packet.
Optionally, the transport quality parameters value includes one of packet loss, time delay and network flow or a variety of, described Transport quality parameters threshold value ismLostjIt indicates to measure before the current time obtain multiple to go through History passes quality parameter value average value, sLostjThe current time measures obtained multiple historic transmission quality parameter values before Standard deviation, μ andGreater than 0.
The embodiment of the present invention and the embodiment of the method for Fig. 2 a, 3 and 4a are based on same design, bring technical effect also phase Together, detailed process can refer to the description of the embodiment of the method for Fig. 2 a, 3 and 4a, and details are not described herein again.
Described device 7 can be terminal device, or realize the field programmable gate array (field- of correlation function Programmable gate array, FPGA), special integrated chip, System on Chip/SoC (system on chip, SoC), center Processor (central processor unit, CPU), network processing unit (network processor, NP), digital signal Processing circuit, microcontroller (micro controller unit, MCU), can also use programmable controller (programmablelogic device, PLD) or other integrated chips.
Referring to Fig. 8, Fig. 8 is a kind of structural schematic diagram of device provided in an embodiment of the present invention, hereinafter referred to as device 8, The device 8 includes processor 801, memory 802, receiver 803, transmitter 804, the processor 801,802 and of memory Receiver 803 and transmitter 804 are connected with each other by bus.
Memory 802 include but is not limited to be random access memory (English: Random Access Memory, referred to as: RAM), read-only memory (English: Read-Only Memory, referred to as: ROM), Erasable Programmable Read Only Memory EPROM (English: Erasable Programmable Read Only Memory, referred to as: EPROM) or portable read-only memory (English: Compact Disc Read-Only Memory, referred to as: CD-ROM), which is used for dependent instruction and data.Transmitting-receiving Device 803 is for sending and receiving data.
Processor 801 can be one or more central processing units (English: Central Processing Unit, letter Claim: CPU), in the case where processor 801 is a CPU, which can be monokaryon CPU, be also possible to multi-core CPU.
In a kind of possible embodiment, the processor 801 in the device 8 is deposited for reading in the memory 802 The program code of storage executes following operation:
It obtains and carries out the current transmission quality parameter that short time test obtains between first terminal equipment and second terminal equipment Value；
The transmission quality model inquired between the first terminal equipment and the second terminal equipment is corresponding multiple to be gone through History transport quality parameters value；
The multiple historic transmission quality parameter value is corrected according to the current transmission quality parameter value；
Redundant transmission strategy is determined according to revised multiple historic transmission quality parameter values；
The redundant transmission strategy is sent to the first terminal equipment and the second terminal equipment.
Optionally, processor 801 executes is surveyed in short-term between the acquisition first terminal equipment and second terminal equipment Trying obtained current transmission quality parameter value includes:
Indicator -transmitter 804 sends short time test instruction to the first terminal equipment and the second terminal equipment；
The first terminal equipment and/or the second terminal equipment is received in specified duration by receiver 803 to survey Try the obtained current transmission quality parameter value.
Optionally, processor 801 executes described according to the multiple history biography of current transmission quality parameter value amendment Transmission quality parameter value includes:
It determines the average value of the multiple historic transmission quality parameter value, and determines the multiple historic transmission quality ginseng The standard deviation of numerical value；
The average and standard deviation of the multiple historic transmission quality parameter value is corrected according to the following formula:
Wherein, mLost' is the average value of revised multiple historic transmission quality parameter values, and sLost' is more after correcting The standard deviation of a historic transmission quality parameter value, mLost are the average value of the multiple historic transmission quality parameter value, Lostnew For the current transmission quality parameter value, N is the quantity of the multiple historic transmission quality parameter value, and j is historic transmission quality The serial number of parameter value, N are the integer greater than 1.
Optionally, processor 801 is also used to execute:
Test instruction when indicator -transmitter 804 sends long to the first terminal equipment and the second terminal equipment；
It indicates that receiver 803 receives and comes from the first terminal equipment and/or the second terminal equipment at the appointed time The multiple transport quality parameters values tested when inside carrying out long；
It is determined between the first terminal equipment and the second terminal equipment according to the multiple transport quality parameters value Transmission quality model.
Optionally, transport quality parameters value includes one of packet loss, time delay and network flow or a variety of；The transmission Quality model includes: that internet sufficient competition type, shared bandwidth threshold type, period deterioration type and equipment carry appointing in buffer-type It anticipates one kind；
Wherein, the internet sufficient competition type meets: time delay is floated in specified range on the basis of the first time delay, is lost Packet rate is floated in specified range on the basis of the first packet loss；Or
The shared bandwidth threshold type meets: when network flow is less than first flow threshold value, time delay is in the first time delay It floats in the specified range of benchmark, packet loss floats in specified range on the basis of the first packet loss；When network flow is not small In the first flow threshold value and be less than second flow threshold value when, time delay and packet loss increase with the increase of network flow； When network flow is not less than second flow threshold value, time delay is floated in specified range on the basis of the second time delay, and packet loss exists It floats in specified range on the basis of second packet loss；Second time delay is greater than the first time delay, and the second packet loss is greater than the first packet loss Rate；Or
The period deterioration type meets: time delay and packet loss are alternately changed with stable period and deterioration period；Or
The equipment carries buffer-type and meets: when network flow is not more than flow threshold, packet loss is in the first packet loss On the basis of specified range in float, time delay increases with the increase of network flow；When network flow is greater than the flow threshold When value, time delay is floated in specified range on the basis of the first time delay, and packet loss increases with the increase of network flow.
Optionally, in the case where the transmission quality model is internet sufficient competition type, the redundant transmission strategy Include: that be greater than or equal to the redundancy coefficient of 2,1 paths be 1 to number of path, the redundancy coefficient in remaining path be 1+mLost'+i × SLost', i >=2；Or
In the case where the transmission quality model is shared bandwidth threshold type, the redundant transmission strategy includes: path Number is greater than or equal to 1, and when current network flow utilization rate is greater than preset threshold, the redundancy coefficient of each path is 1+mLost' + i × sLost', i >=2；When current network flow utilization rate is not more than preset threshold, the redundancy coefficient of each path is 1+ mLost'；Or
In the case where the transmission quality model is period deterioration type, the redundant transmission strategy includes: that number of path is big In or to be equal to the redundancy coefficient of 2,1 paths be 1, when current network be in stable period, the redundancy coefficient in remaining path is 1 + mLost'+0.25 × i × sLost', i >=2；When current network is in the deterioration period, the redundancy coefficient in remaining path is 1+ MLost'+i × sLost', i >=2；Or
In the case where the transmission quality model is that equipment carries buffer-type, the redundant transmission strategy includes: path Number is greater than or equal to 1；It is less than delay threshold in current time delay, is less than the included buffer delay upper limit and present packet loss is less than packet loss When rate threshold value, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2；Otherwise the redundancy coefficient of each path is 1。
Optionally, receiver 803 is also used to receive the touching that the first terminal equipment or the second terminal equipment are sent Send instructions；The triggering command, which is used to trigger, adjusts current redundant transmission strategy.
In alternatively possible embodiment, the processor 801 in the device 8 is for reading in the memory 802 The program code of storage executes following operation:
In the transport quality parameters value in current time between test and opposite equip.；
In the case where the transport quality parameters value is greater than transport quality parameters threshold value, indicator -transmitter 804 is to transmission Control device sends triggering command；
The redundant transmission strategy sent from the transmission control unit is received by receiver 803；
According to the redundant transmission strategy transmission data packet.
Optionally, the transport quality parameters value includes one of packet loss, time delay and network flow or a variety of, described Transport quality parameters threshold value isIndicate that measurement obtains multiple before the current time History passes quality parameter value average value, sLostjThe current time measures obtained multiple historic transmission quality parameter values before Standard deviation, μ andGreater than 0.
The embodiment of the present invention and the embodiment of the method for Fig. 2 a, 3 and 4a are based on same design, bring technical effect also phase Together, detailed process can refer to the description of the embodiment of the method for Fig. 2 a, 3 and 4a, and details are not described herein again.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or It partly generates according to process or function described in the embodiment of the present invention.The computer can be general purpose computer, dedicated meter Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium In, or transmitted by the computer readable storage medium.The computer instruction can be from a web-site, meter Calculation machine, server or data center are (such as red by wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless Outside, wirelessly, microwave etc.) mode transmitted to another web-site, computer, server or data center.The calculating Machine readable storage medium storing program for executing can be any usable medium or include one or more usable mediums that computer can access The data storage devices such as integrated server, data center.The usable medium can be magnetic medium, (for example, floppy disk, hard Disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk Solid State Disk (SSD)) Deng.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, the process Relevant hardware can be instructed to complete by computer program, which can be stored in computer-readable storage medium, should Program is when being executed, it may include such as the process of above-mentioned each method embodiment.And storage medium above-mentioned includes: ROM or deposits at random Store up the medium of the various program storage codes such as memory body RAM, magnetic or disk.

Claims (18)

1. a kind of transfer control method, which is characterized in that
It obtains and carries out the current transmission quality parameter value that short time test obtains between first terminal equipment and second terminal equipment；
The corresponding multiple history of the transmission quality model inquired between the first terminal equipment and the second terminal equipment pass Transmission quality parameter value；
The multiple historic transmission quality parameter value is corrected according to the current transmission quality parameter value；
Redundant transmission strategy is determined according to revised multiple historic transmission quality parameter values；
The redundant transmission strategy is sent to the first terminal equipment and the second terminal equipment.
2. the method according to claim 1, wherein the acquisition first terminal equipment and second terminal equipment it Between carry out the obtained current transmission quality parameter value of short time test and include:
Short time test instruction is sent to the first terminal equipment and the second terminal equipment；
Receive the test in specified duration of the first terminal equipment and/or the second terminal equipment obtain described in work as forward pass Transmission quality parameter value.
3. method according to claim 1 or 2, which is characterized in that described to be repaired according to the current transmission quality parameter value Just the multiple historic transmission quality parameter value includes:
It determines the average value of the multiple historic transmission quality parameter value, and determines the multiple historic transmission quality parameter value Standard deviation；
The average and standard deviation of the multiple historic transmission quality parameter value is corrected according to the following formula:
Wherein, mLost ' is the average value of revised multiple historic transmission quality parameter values, and sLost ' is multiple after correcting goes through The standard deviation of history transport quality parameters value, mLost are the average value of the multiple historic transmission quality parameter value, LostnewFor institute Current transmission quality parameter value is stated, N is the quantity of the multiple historic transmission quality parameter value, and j is historic transmission mass parameter The serial number of value, N are the integer greater than 1.
4. according to the method described in claim 3, it is characterized in that, the acquisition first terminal equipment and second terminal equipment it Between carry out the obtained current transmission quality parameter value of short time test before, further includes:
Test instruction when sending long to the first terminal equipment and the second terminal equipment；
It receives and tests to obtain when within a specified time carrying out long from the first terminal equipment and/or the second terminal equipment Multiple transport quality parameters values；
The biography between the first terminal equipment and the second terminal equipment is determined according to the multiple transport quality parameters value Transmission quality model.
5. according to the method described in claim 4, it is characterized in that, transport quality parameters value includes packet loss, time delay and network One of flow is a variety of；The transmission quality model includes: internet sufficient competition type, shared bandwidth threshold type, period Deterioration type and equipment carry any one in buffer-type；
Wherein, the internet sufficient competition type meets: time delay is floated in specified range on the basis of the first time delay, packet loss It floats in specified range on the basis of the first packet loss；Or
The shared bandwidth threshold type meets: when network flow is less than first flow threshold value, time delay is on the basis of the first time delay Specified range in float, packet loss floats in specified range on the basis of the first packet loss；When network flow is not less than institute When stating first flow threshold value and being less than second flow threshold value, time delay and packet loss increase with the increase of network flow；Work as net When network flow is not less than second flow threshold value, time delay is floated in specified range on the basis of the second time delay, and packet loss is second It floats in specified range on the basis of packet loss；Second time delay is greater than the first time delay, and the second packet loss is greater than the first packet loss；Or
The period deterioration type meets: time delay and packet loss are alternately changed with stable period and deterioration period；Or
The equipment carries buffer-type and meets: when network flow is not more than flow threshold, packet loss is base in the first packet loss It floats in quasi- specified range, time delay increases with the increase of network flow；When network flow is greater than the flow threshold, Time delay is floated in specified range on the basis of the first time delay, and packet loss increases with the increase of network flow.
6. according to the method described in claim 5, it is characterized in that,
In the case where the transmission quality model is internet sufficient competition type, the redundant transmission strategy includes: number of path Redundancy coefficient more than or equal to 2,1 paths is 1, and the redundancy coefficient in remaining path is 1+mLost'+i × sLost', i >=2； Or
In the case where the transmission quality model is shared bandwidth threshold type, the redundant transmission strategy includes: that number of path is big In or be equal to 1, when current network flow utilization rate is greater than preset threshold, the redundancy coefficient of each path be 1+mLost'+i × SLost', i >=2；When current network flow utilization rate is not more than preset threshold, the redundancy coefficient of each path is 1+ mLost'；Or
The transmission quality model be period deterioration type in the case where, the redundant transmission strategy include: number of path be greater than or Redundancy coefficient equal to 2,1 paths is 1, and when current network is in stable period, the redundancy coefficient in remaining path is 1+ MLost'+0.25 × i × sLost', i >=2；When current network is in the deterioration period, the redundancy coefficient in remaining path is 1+ MLost'+i × sLost', i >=2；Or
In the case where the transmission quality model is that equipment carries buffer-type, the redundant transmission strategy includes: that number of path is big In or equal to 1；It is less than delay threshold in current time delay, is less than the included buffer delay upper limit and present packet loss is less than packet loss threshold When value, the redundancy coefficient of each path is 1+mLost'+i × sLost', i >=2；Otherwise the redundancy coefficient of each path is 1.
7. method described in -6 any one according to claim 1, which is characterized in that the acquisition first terminal equipment and second Before the current transmission quality parameter value that progress short time test obtains between terminal device, further includes:
Receive the triggering command that the first terminal equipment or the second terminal equipment are sent；The triggering command is for triggering Adjust current redundant transmission strategy.
8. a kind of data transmission method characterized by comprising
In the transport quality parameters value in current time between test and opposite equip.；
In the case where the transport quality parameters value is greater than transport quality parameters threshold value, triggering is sent to transmission control unit and is referred to It enables；
Receive the redundant transmission strategy sent from the transmission control unit；
According to the redundant transmission strategy transmission data packet.
9. according to the method described in claim 8, it is characterized in that, the transport quality parameters value include packet loss, time delay and One of network flow is a variety of, and the transport quality parameters threshold value isDescribed in expression Current time measures obtained multiple history before and passes quality parameter value average value, sLostjIt is measured before the current time The standard deviation of the multiple historic transmission quality parameter values arrived, μ andGreater than 0.
10. a kind of transmission control unit characterized by comprising
Acquiring unit, for obtaining the current transmission for carrying out short time test between first terminal equipment and second terminal equipment and obtaining Quality parameter value；
Query unit, the transmission quality model inquired between the first terminal equipment and the second terminal equipment are corresponding more A historic transmission quality parameter value；
Amending unit, for correcting the multiple historic transmission quality parameter value according to the current transmission quality parameter value；
Determination unit, for determining redundant transmission strategy according to revised multiple historic transmission quality parameter values；
Transmission unit, for the redundant transmission strategy to be sent to the first terminal equipment and the second terminal equipment.
11. device according to claim 10, which is characterized in that the acquiring unit is specifically used for:
Short time test instruction is sent to the first terminal equipment and the second terminal equipment；
Receive the current transmission matter that the first terminal equipment and/or second terminal equipment are tested in specified duration Measure parameter value.
12. device described in 0 or 11 according to claim 1, which is characterized in that the amending unit is specifically used for:
It determines the average value of multiple historic transmission quality parameter values, and determines the standard of multiple historic transmission quality parameter values Difference；
The average and standard deviation of multiple historic transmission quality parameter values is corrected according to the following formula:
Wherein, mLost' is the average value of revised multiple historic transmission quality parameter values, and sLost' is multiple after correcting goes through The standard deviation of history transport quality parameters value, mLost are the average value of the multiple historic transmission quality parameter value, LostnewFor institute Current transmission quality parameter value is stated, N is the quantity of the multiple historic transmission quality parameter value, and j is historic transmission mass parameter The serial number of value, N are the integer greater than 1.
13. device according to claim 12, which is characterized in that
Determination unit, test instruction when being also used to send long to the first terminal equipment and the second terminal equipment；It receives The multiple transmission matter tested when within a specified time carrying out long from the first terminal equipment and/or second terminal equipment Measure parameter value；The biography between the first terminal equipment and the second terminal equipment is determined according to multiple transport quality parameters values Transmission quality model.
14. device according to claim 13, which is characterized in that transport quality parameters value includes packet loss, time delay and net One of network flow is a variety of；
The transmission quality model includes that internet sufficient competition type, shared bandwidth threshold type, period deterioration type and equipment are included Any one in buffer-type；
Wherein, the internet sufficient competition type meets: time delay is floated in specified range on the basis of the first time delay, packet loss It floats in specified range on the basis of the first packet loss；Or
The shared bandwidth threshold type meets: when network flow is less than first flow threshold value, time delay is on the basis of the first time delay Specified range in float, packet loss floats in specified range on the basis of the first packet loss；When network flow is not less than institute When stating first flow threshold value and being less than second flow threshold value, time delay and packet loss increase with the increase of network flow；Work as net When network flow is not less than second flow threshold value, time delay is floated in specified range on the basis of the second time delay, and packet loss is second It floats in specified range on the basis of packet loss, the second time delay is greater than the first time delay, and the second packet loss is greater than the first packet loss and includes；Or
The period deterioration type meets: time delay and packet loss are alternately changed with stable period and deterioration period；Or
The equipment carries buffer-type and meets: when network flow is not less than flow threshold, packet loss is base in the first packet loss It floats in quasi- specified range, time delay increases with the increase of network flow；When network flow is greater than the flow threshold, Time delay is floated in specified range on the basis of the first time delay, and packet loss increases with the increase of network flow.
15. device according to claim 14, which is characterized in that it is characterized in that,
In the case where the transmission quality model is the internet sufficient competition type, the redundant transmission strategy includes: road The redundancy coefficient that diameter number is greater than or equal to 2,1 paths is 1, and the redundancy coefficient in remaining path is 1+mLost'+i × sLost', i ≥2；Or
In the case where the transmission quality model is the shared bandwidth threshold type, the redundant transmission strategy includes: path Number is greater than or equal to 1, and when current network flow utilization rate is greater than preset threshold, the redundancy coefficient of each path is 1+mLost' + i × sLost', i >=2；When current network flow utilization rate is not more than preset threshold, the redundancy coefficient of each path is 1+ mLost'；Or
In the case where the transmission quality model is the period deterioration type, the redundant transmission strategy includes: that number of path is big In or to be equal to the redundancy coefficient of 1,1 paths be 1, when current network be in stable period, the redundancy coefficient in remaining path is 1 + mLost'+0.25 × i × sLost', i >=2；When current network is in the deterioration period, the redundancy coefficient in remaining path is 1+ MLost'+i × sLost', i >=2；Or
In the case where the transmission quality model is that the equipment carries buffer-type, the redundant transmission strategy includes: path Number is greater than or equal to 1；It is less than delay threshold in current time delay, is less than the included buffer delay upper limit and present packet loss is less than packet loss When rate threshold value, the redundancy coefficient of each path is 1+mLost '+i × sLost ', i >=2；Otherwise the redundancy coefficient of each path is 1。
16. device described in 0-15 any one according to claim 1, which is characterized in that further include:
Receiving unit, the triggering command sent for receiving the first terminal equipment or the second terminal equipment；The touching Send instructions and adjusts current redundant transmission strategy for triggering.
17. a kind of data transmission device characterized by comprising
Test cell, in the transport quality parameters value in current time between test and opposite equip.；
Transmission unit, for being filled to transmission control in the case where the biography quality parameter value is greater than transport quality parameters threshold value Set transmission triggering command；
Receiving unit, for receiving the redundant transmission strategy sent from transmission control unit；
Execution unit, for according to the redundant transmission strategy transmission data packet.
18. device according to claim 17, which is characterized in that the transport quality parameters value includes packet loss, time delay With one of network flow or a variety of, the transport quality parameters threshold value ismLostjIndicate institute It states current time and measures obtained multiple history biography quality parameter value average value, sLost beforejIt is measured before the current time The standard deviation of obtained multiple historic transmission quality parameter values, μ andGreater than 0.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111669340A (en) * 2020-07-03 2020-09-15 全时云商务服务股份有限公司 Transmission bandwidth control method, device, network equipment and readable storage medium
CN112702276A (en) * 2021-03-24 2021-04-23 腾讯科技（深圳）有限公司 Transmission control method and device, electronic equipment and computer storage medium
CN113114520A (en) * 2020-01-10 2021-07-13 华为技术有限公司 Data transmission method and terminal
WO2022000942A1 (en) * 2020-06-28 2022-01-06 中国科学院深圳先进技术研究院 Data sharing network control method, network system and related apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103491645A (en) * 2013-09-11 2014-01-01 大唐移动通信设备有限公司 Method and device for managing communication links

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103491645A (en) * 2013-09-11 2014-01-01 大唐移动通信设备有限公司 Method and device for managing communication links

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114520A (en) * 2020-01-10 2021-07-13 华为技术有限公司 Data transmission method and terminal
WO2022000942A1 (en) * 2020-06-28 2022-01-06 中国科学院深圳先进技术研究院 Data sharing network control method, network system and related apparatus
CN111669340A (en) * 2020-07-03 2020-09-15 全时云商务服务股份有限公司 Transmission bandwidth control method, device, network equipment and readable storage medium
CN112702276A (en) * 2021-03-24 2021-04-23 腾讯科技（深圳）有限公司 Transmission control method and device, electronic equipment and computer storage medium
CN112702276B (en) * 2021-03-24 2021-06-18 腾讯科技（深圳）有限公司 Transmission control method and device, electronic equipment and computer storage medium

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