CN110198259A - A kind of data transmission method, device and equipment - Google Patents
A kind of data transmission method, device and equipment Download PDFInfo
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- CN110198259A CN110198259A CN201910184813.3A CN201910184813A CN110198259A CN 110198259 A CN110198259 A CN 110198259A CN 201910184813 A CN201910184813 A CN 201910184813A CN 110198259 A CN110198259 A CN 110198259A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
- H04L41/5054—Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/0864—Round trip delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/121—Shortest path evaluation by minimising delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/123—Evaluation of link metrics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/70—Routing based on monitoring results
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- Signal Processing (AREA)
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Abstract
The invention discloses a kind of data transmission method, device and equipment, which comprises obtains service type storage file；Obtain data request information；Locally-supported transmission service type is extracted according to the data request information；The destination virtual transmission line to match with the transmission service type is determined by the service type storage file；Wherein, the destination virtual transmission line is the transmission line that local corresponding first gateway and the second gateway connecting with first net virtual are constituted；The data request information is transmitted along the destination virtual transmission line.The data request information that the present invention can be such that terminal device issues meets the transmission demand for services of user according to matched transmission service type.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of data transmission methods, device and equipment.
Background technique
With the raising of IT application of large enterprise degree, the enterprise for possessing certain fund and technical strength needs investment construction
And the enterprise backbone network that independent maintenance is proprietary, ensure enterprise business data between each department, branch under different geographical mutually
Transmission；And according to different business safety, reliability, in terms of actual demand corresponding service is provided.
Belong to the scene of parallel line transmission in existing enterprise backbone network transmission process mostly；The parallel line passes
Defeated scene ratio is if so, in the lease and process of construction of cross-domain toll transmission line, it will usually use a plurality of bottom physical light
The different route of cable path direction, and generally ECMP is routed to realize transmitting data in parallel using equal cost multipath；But it should
The network transmission of terminal and terminal delay and uncontrollable under kind of data transmitting scene, is not able to satisfy the transmission duration demand of user；
There is the transmission path of passage path Metric control network flow in the prior art；But the adjustment of Metric value is relatively difficult,
Often the change of a link will affect a plurality of routing, it is difficult to hold and weigh.
Accordingly, it is desirable to provide a kind of technical solution that can optimize data transmission, realizes network transmission delay and path energy
It reaches controllable and meets user demand.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of data transmission method, device and equipment, specifically
Ground:
On the one hand a kind of data transmission method is provided, which comprises
Service type storage file is obtained, includes all void within the scope of predeterminable area in the service type storage file
Quasi- transmission line；
Obtain data request information；
Locally-supported transmission service type is extracted according to the data request information；
The destination virtual transmission line to match with the transmission service type is determined by the service type storage file
Road；Wherein, the destination virtual transmission line is local corresponding first gateway and connect with first net virtual
The transmission line that second gateway is constituted；
The data request information is transmitted along the destination virtual transmission line.
On the other hand a kind of data transmission device is provided, described device includes:
Storage file obtains module for obtaining service type storage file
All virtual transmission routes within the scope of predeterminable area；
Solicited message obtains module, for obtaining data request information；
Transmission service type obtains module, for extracting locally-supported transmission service according to the data request information
Type；
Destination virtual route determining module, for being determined and the transmission service type according to service type storage file
The destination virtual transmission line to match；Wherein, the destination virtual transmission line be local corresponding first gateway and with
The transmission line that second gateway of the first net virtual connection is constituted；
Data information transfer module, for passing the data request information along the destination virtual transmission line
It is defeated.
On the other hand a kind of equipment is provided, the equipment includes processor and memory, is stored in the memory
At least one instruction, at least a Duan Chengxu, code set or instruction set, at least one instruction, an at least Duan Chengxu, institute
Code set or instruction set are stated as the processor loads and executes to realize such as the data transmission method as described in terms of above-mentioned.
A kind of data transmission method, device and equipment provided by the invention, have the beneficial effect that
The present invention can extract locally-supported when getting data request information according to the data request information
Transmit service type；And the mesh to match with the transmission service type is further determined by the service type storage file
Mark virtual transmission route；Wherein, all dummy transmission lines within the scope of predeterminable area are included in the service type storage file
Road；The destination virtual transmission line is local corresponding first gateway and the second net connecting with first net virtual
Close the transmission line constituted；So that the data request information is transmitted along the destination virtual transmission line.The present invention
The data request information that terminal device can be made to issue is according to matched transmission service type, along corresponding virtual transmission route
Reasonable transmission is carried out, the transmission demand for services of user is met.
Detailed description of the invention
It, below will be to reality in order to illustrate more clearly of this specification embodiment or technical solution in the prior art and advantage
It applies example or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description
Only some embodiments of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 (a) is a kind of implementation environment logical network topology figure that this specification embodiment provides；
Fig. 1 (b) is the path schematic diagram end to end in a kind of implementation environment that this specification embodiment provides；
A kind of flow chart for data transmission method that Fig. 2 this specification embodiment provides；
Fig. 3 is a kind of flow chart for establishing first service type storage table that this specification embodiment provides；
Fig. 4 is the corresponding first transmission duration of detection the first virtual transmission route that this specification embodiment provides
Flow chart of steps；
Fig. 5 is a kind of system environments schematic diagram that specification embodiment provides；
Fig. 6 be this specification embodiment provide be calculated described first according to the 4th moment and the first moment
The step flow chart for including before transmission duration step；
Fig. 7 is the detection simulation flow chart for the first analog gateway pair that this specification embodiment provides；
Fig. 8 is the detection simulation flow chart for the second analog gateway pair that this specification embodiment provides；
Fig. 9 is a kind of data transmission device comprising modules figure that this specification embodiment provides；
Figure 10 is a kind of data transmission system schematic diagram that this specification embodiment provides；
Figure 11 is a kind of data transmission set schematic diagram that this specification embodiment provides.
Specific embodiment
Below in conjunction with the attached drawing in this specification embodiment, the technical solution in this specification embodiment is carried out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art institute obtained without making creative work
There are other embodiments, shall fall within the protection scope of the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, product or server need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Present description provides a kind of technical solutions of optimization data transmission, belong to the fine routing side of the cross-domain delay of SDN
Case is able to solve the parallel transmission latency issue of link aggregation scene.Particular by different geographical gateway and gateway it
Between deployment delay detecting module mode, the probe messages progress delay end to end constantly of building is utilized on parallel line
Detection carries out data transmission to realize data request information being sent to specified gateway, and network delay can both realize stabilization
Controllably, meet the delay requirement that user transmits data.
Specifically, shown in the corresponding logical architecture of the technical program such as Fig. 1 (a) and 1 (b)；Wherein, Fig. 1 (a) is this implementation
A kind of logical network topology figure that example provides；Fig. 1 (b) is a kind of path schematic diagram end to end provided in this embodiment.
In detail, this specification embodiment provides a kind of data transmission method based on above-mentioned logical architecture, such as Fig. 2
It is shown, which comprises
S202. service type storage file is obtained, includes within the scope of predeterminable area in the service type storage file
All virtual transmission routes；
Wherein, the virtual transmission route can regard the data line of two end gateways under cross-domain scene as
Road；It can have parallel a plurality of virtual transmission route between two gateways.Wherein, the gateway may belong to backbone network net
It closes.
S204. data request information is obtained；
S206. locally-supported transmission service type is extracted according to the data request information；
Specifically, when first terminal gets the data request information based on user's operation generation, the first terminal energy
Enough from the transmission service type that itself support is locally extracted out.
Wherein, the transmission of the data request information belongs to the transmission of cross-region；Specifically, the data request information
Transmitting terminal can be first terminal of the enterprise A at region location L1, and the receiving end of the data request information can be enterprise A
Second terminal at region location L2；The first terminal is connected to second terminal by cloud the Internet services product；In detail
It carefully, is that the transmission service type determined by cloud the Internet services product is connected to；The transmission service type can be seen
Do be enterprise A Yu cloud the Internet services product partner services information, it is similar with common carrier and set meal service that terminal is signed
Type.
Wherein, if several cities that the predeterminable area range is selected, region here can be understood as city
City, such as Beijing to Shanghai；If the city that the predeterminable area range is selected, region here can be understood as city
Region inside city, such as Pekinese Chaoyang District to Pekinese Changping District.
S208. determine that the destination virtual to match with the transmission service type passes by the service type storage file
Defeated route；Wherein, the destination virtual transmission line is local corresponding first gateway and connects with first net virtual
The transmission line that the second gateway connect is constituted；
Wherein, before the transmission service type for not determining first terminal support, first gateway and the second net
Pass is can to support multiple feasible transmission service types.After the transmission service type for determining the first terminal support,
It is that unique transmission that the first gateway and the second gateway are supported services that the first terminal was supported it is corresponding, which to transmit service type,
Type.
Specifically, first gateway is the gateway that the first terminal is communicatively coupled, and is the clothes based on user
The data request information is carried out the transmission interface of cross-domain transmission by business demand；Second gateway is serviced based on the transmission
The gateway being communicatively coupled with first gateway that type is determined, and belong to the cross-domain data request and carry out cross-domain biography
Defeated receiving interface；It can have multiple transparent gateways between first gateway and second gateway.
S210. the data request information is transmitted along the destination virtual transmission line.
Further, after determining the destination virtual transmission line, the request of data that the first terminal issues is believed
Breath is transmitted along first gateway to second gateway.
In the present embodiment, the terminal for issuing the data request information has locally-supported transmission service type；The end
End can determine destination virtual transmission line corresponding with the data request information according to the service type storage file；
To effectively be transmitted the data request information according to the demand of user, the product promoted under the cross-domain scene of user is used
Experience.
In a kind of embodiment, the method also includes establishing the service type storage file；
It is wherein, described to establish the service type storage file, comprising:
Sa. first service type storage table is established；The first service type storage table includes the first analog gateway to branch
The mapping relations for the first the transmission service type and the first virtual transmission route held；Wherein, the first analog gateway centering
Two gateways are belonging respectively to the big cluster of different gateways within the scope of the predeterminable area；
Sb. second service type storage table is established；The second service type storage table includes the second analog gateway to branch
The mapping relations for the second the transmission service type and the second virtual transmission route held；Wherein, the second analog gateway centering
Two gateways belong to the small cluster of different gateways in the big cluster of identical gateway within the scope of the predeterminable area.
The big cluster of gateway in the present embodiment can be the gateway cluster in a city, and the small cluster of gateway can be a city
Region inside city.Wherein, the present embodiment establishes different storage tables according to the difference of scene, is determining destination virtual transmission
The belonging relation of two gateways can be first determined when route, and then is arrived different storage tables again and matched.Wherein, described
In one service type storage table, it is based on that there are multiple parallel virtual transmission routes between each gateway pair；Accordingly, described first
Analog gateway is multiple to the first transmission service type of support；And each corresponding one first of first transmission service type is virtually
Transmission route.Likewise, second analog gateway services the second transmission of support in the second service type storage table
Type is multiple；Correspondingly, second analog gateway is multiple to the second transmission service type of support；And each second passes
The corresponding second virtual transmission route of defeated service type.
It should be noted that first service type storage table and second service type in the service type storage file
Storage table is can be carried out after the gateway being related to is to virtual circuit analog detection function is opened according to real-time analog detection
It is continuous to update, with the storage table information after capable of being obtained timely updates when guaranteeing that bottom-layer network variation or gateway change.Wherein, institute
Stating virtual circuit analog detection function can be controlled by the control switch being arranged in operational system, by opening or closing
The control switch with regulate and control corresponding gateway pair delay detecting module working condition.
It further illustrates, establishes service type storage file and belong to the void after opening virtual circuit analog detection function
The detection process of quasi- route；The process of the foundation can be to be established in server end, and corresponding terminal is from server later
Service type storage file is got, and then matches required virtual transmission route.
In a kind of feasible embodiment, step Sa establishes first service type storage table, as shown in figure 3, may include:
S402. the first all analog gateways pair within the scope of the predeterminable area are obtained；
S404. the first virtual transmission route between two gateways of each first analog gateway centering is obtained；
S406. the corresponding first transmission duration of the first virtual transmission route is detected, to obtain the first simulation net
It closes and transmits service type to the first of support；
S408. according to the first virtual transmission route of the first analog gateway pair each within the scope of the predeterminable area and institute
The first transmission service type is stated, the first service type storage table is obtained.
It in practical applications, is usually that there are multiple first analog gateways pair within the scope of the predeterminable area；Establishing
When one service type storage table, there are multiple first virtual transmission routes between each first analog gateway pair.The present embodiment
In, the corresponding first transmission duration of this first all virtual transmission route can be obtained by the detection simulation of probe messages；
Further, each first transmission duration corresponding first is determined with the mapping relations for transmitting service type according to transmission duration
Transmit service type；To obtain the first service according to the first virtual transmission route and the first transmission service type
Type storage table.
Wherein, the transmission duration can set different marks in different regions from the mapping relations for transmitting service type
It is quasi-；Difference specifically based on the physical transmission lines between each region, so that data transmission has different transmission durations.
For example, for example, Beijing to Shanghai cross-domain transmission when a length of 20ms to 25ms when, it is believed that the transmission service type is
First transmission service type of low latency requirements；Beijing to Shanghai cross-domain transmission when a length of 25ms to 30ms when, it is believed that
The transmission service type is the second transmission service type of medium latency requirement；However, in Shanghai to the cross-domain biography in U.S. Silicon Valley
When defeated when a length of 115ms-125ms, so that it may think the first transmission service class that the transmission service type is low latency requirements
Type, in Shanghai when transmission cross-domain to the U.S. Silicon Valley when a length of 180ms-200ms, it may be considered that during the transmission service type is
Second transmission service type of equal latency requirements；Etc..
In a kind of specifically embodiment, when step S406 detects the first virtual transmission route corresponding first transmission
It is long, as shown in figure 4, may include:
S602. the first starting point gateway and of the first analog gateway centering is determined according to the first virtual transmission route
One terminating gateway；
S604. obtained for the first moment；First moment is that the first starting point gateway is visited to First terminal point gateway transmission first
At the time of observing and predicting text；The identification information of first probe messages is obtained according to the first starting point gateway and First terminal point gateway
It arrives；
S606. obtained for the 4th moment；4th moment receives the First terminal point gateway for the first starting point gateway will
At the time of first probe messages return；
S608. the first transmission duration is calculated according to the 4th moment and the first moment.
In the present embodiment, using one of them first virtual transmission route as representative, according to acquisition first probe messages
Along the transmission duration of the first virtual transmission route, so that it is determined that the transmission duration of the first virtual transmission route out；
Wherein, which includes that duration and the first probe messages that the first probe messages are sent from local terminal are returned from destination
The sum of duration.Wherein, what the first virtual transmission route described in the present embodiment represented is the first probe messages from the first starting point net
The route to First terminal point gateway is closed, then corresponding transmission duration are as follows: (the 4th-the first moment of moment)/2.If in the present embodiment
What the first virtual transmission route represented is that the first probe messages are issued from the first starting point gateway, to returning again to described first
The total line of starting point gateway, then corresponding transmission duration are as follows: the 4th-the first moment of moment.
Wherein, the identification information of first probe messages is obtained according to the first starting point gateway and First terminal point gateway
It arrives；Different virtual transmission routes has corresponding first probe messages.Specifically, first probe messages can be
IP five-tuple (source IP address, source port, purpose IP address, destination port and protocol number) or IP triple (source IP address, purpose
IP address, protocol number).By taking IP five-tuple as an example, if the first starting point gateway is A, First terminal point gateway is B；Then according to five yuan of IP
Group (IP address of A, the port of A, the IP address of B, the port and protocol number of B) obtains the mark letter of first probe messages
It ceases (outer packing for being analogous to cargo)；Different gateways is known according to the matching that the identification information is able to carry out the first probe messages
Not.
General first probe messages select IP triple (source IP+destination IP+protocol number) in practical applications；Its
In, the system environments schematic diagram in conjunction with described in Fig. 5, the oip or vip of source IP value local terminal；The oip of destination IP value distal end or
Vip, oip and vip here belong to an address pool；Accordingly, it is assumed that there are 32 values in this pond, then can be combined into 32
(local terminal) * 32 (distal end)=1024 different triples, i.e. 1024 the first probe messages, be corresponding with 1024 it is to be detected
Virtual transmission route；The value of protocol number therein is currently fixed value 254.If first probe messages select IP five-tuple,
Then increasing source port and destination port on the basis of now, source port/destination port value can map from dip,
Or from each gateway stochastic production；Protocol number also may be adjusted to other values simultaneously, such as: 6 (tcp) or 17 (udp).
Wherein, the dip in Fig. 5 indicates Device IP address, and for identifying gateway, each gateway has unique
Mark；Vip in Fig. 5 indicates Virtual IP address, is used for one big cluster of gateway of overall identification；Oip table in Fig. 5
Show Outer IP address, for constructing virtual transmission route；Svip in Fig. 5 indicates SmallVirtual IP
Address is used for the small cluster of one gateway of overall identification
In a kind of feasible embodiment, step S608 is calculated described according to the 4th moment and the first moment
First transmission duration, as shown in fig. 6, can also include: before
S605a. obtained for the second moment；Second moment is the first probe messages that will be received from the first starting point gateway
At the time of transmission to intermediate transit gateway；The intermediate transit gateway is according to the identification code of the first virtual transmission route determining
It arrives, and the intermediate transit gateway and the First terminal point gateway belong to the identical big cluster of gateway；
S605b. the third moment is obtained, the third moment is that the intermediate transit gateway receives the first detection report
At the time of literary；
The first transmission duration is calculated according to the 4th moment and the first moment in step S608, comprising:
S608a. internal transmission duration is obtained；The internal transmission duration be according to the third moment and it is described second when
Carve the transmission duration between the intermediate transit gateway and the First terminal point gateway being calculated；
S608b. according to the 4th moment, the first moment and the internal transmission duration, it is calculated described first
The first transmission duration between starting point gateway and First terminal point gateway.
The small cluster of one of gateway (ratio in actual scene, based on the considerations of high availability, in the big cluster of gateway
Such as First terminal point gateway) when go wrong, the small cluster of other gateways can be selected to carry out the forwarding of service message；So
Accordingly, in this case first probe messages generally by the intermediate transit gateway forwards give first starting point
Gateway；The duration for transmitting first probe messages needs to consider the probe messages in First terminal point gateway and the centre
Transmission duration between transit gateway.
Wherein, the intermediate transit gateway is obtained according to identification code (mark id value) determination of the first virtual transmission route；
Specifically according to total dip gateway where the mark id value of the first virtual circuit and the intermediate transit gateway in gateway group
Number does modulo operation, and operation result is used to select to correspond in the gateway group class table dip of gateway.Wherein, described
The mark id value of one virtual circuit is after opening virtual circuit detecting function between two gateways to be tested, that is, to generate one
Mark id value of the random number as the virtual circuit is to maintain not in the life cycle for entirely opening virtual circuit detection
Become.
It is illustrated in figure 7 the detection simulation flow chart of one of them the first analog gateway pair；Ip in figure belongs to transmitting terminal
With the mark of receiving end, the data in figure carries out data probe transmission as the first probe messages.It is obtained under the scene described
A length of t4-t3 when internal transmission, when total transmission of first probe messages, a length of first probe messages were from the first starting point gateway
Issue the transmission duration for returning to the first starting point gateway again, i.e. t6-t1- (t4-t3)；Then accordingly, first starting point
The first transmission duration between gateway and First terminal point gateway can be regarded as [t6-t1- (t4-t3)]/2.
Specifically, the flow chart in Fig. 7 is described:
1) probe messages that carry id are transmitted to opposite end using selected virtual transmission route by A1 equipment.
2) after the Bx2 equipment of opposite end receives probe messages, the equipment B1 for needing to be transmitted to is calculated by id, detection is reported
Text passes to B1, while carrying upper sending time t3.
3) it after B1 receives the message, is calculated by the time difference between the SVip of cluster small where B1 and Bx2 actual
Transmission delay (t4-t3)；Opposite end A1 is sent by id and propagation delay time (t4-t3).
4) A1 equipment, which receives, records time t6 after probe messages, by t6-t1-Delay, A1 equipment send probe messages to
Receive the transmission duration that opposite end returns to the probe messages.
In a kind of specifically embodiment, when step S406 detects the first virtual transmission route corresponding first transmission
It is long, can also include: later
S408. the first all transmission durations within the scope of the predeterminable area are ranked up；
S410. classified according to ranking results to the first transmission duration, to obtain one or more gateway groups；
Wherein, the difference between the corresponding first transmission duration of every two gateway in the same gateway group is respectively positioned on preset range
It is interior.
In the present embodiment, the first all transmission durations within the scope of predeterminable area are ranked up, further basis
The first transmission duration is classified as gateway group by the ranking results；Wherein, the foundation of classification is the same gateway group
In every two gateway transmission duration between difference.
The present embodiment sorts out gateway group out, the corresponding multiple virtual biographies out of each gateway group according to the difference of delay duration
Defeated route is all the path that some end-to-end transmission durations are equal or similar virtual transmission route is between gateway and gateway
Set.
It should be noted that different terminals may use different set when transmitting cross-domain data, for example require
It can choose the set for representing minimum transmission duration when minimum transmission duration；It is required that middle transmission duration, it is suitable to can choose representative
The set of middle transmission duration.Wherein, the sequence of the first transmission duration can also be sorted out according to the number set；For example it takes
Preceding 10 or preceding 20 are classified as a set；Secondary and without limitation.
Wherein, corresponding first transmission of gateway of each gateway group internal sort first can also be chosen in the present embodiment
Duration, the representative of the first transmission duration as the gateway group；Or to choose each gateway group internal sort last
The corresponding first transmission duration of gateway, the representative of the first transmission duration as the gateway group；To according to gateway group
First transmission duration and it is described first transmission duration it is corresponding first transmission service type, obtain the first service type
Storage table.
It further, can be with when the first gateway under the destination virtual transmission line or the second gateway break down
Sequence is jumped in the neighboring gateway where first gateway in gateway group, so that substituting first gateway carries out data
The transmission of solicited message；Wherein, while the first gateway is substituted, second gateway is also replaced by and the phase together
Adjacent gateway carries out the gateway that is mutually related.
In a kind of feasible embodiment, the establishment process of step Sb second service type storage table may include:
S802. the second all analog gateways pair in the preset range are obtained；
S804. the second virtual transmission route between two gateways of each second analog gateway centering is obtained；
S806. the corresponding second transmission duration of the second virtual transmission route is detected, to obtain the second simulation net
It closes and transmits service type to the second of support；
S808. according to the second virtual transmission route of the second analog gateway pair each within the scope of the predeterminable area and institute
The second transmission service type is stated, the second service type storage table is obtained.
Specifically, the establishment process of the second service type storage table, and according to the first virtual transmission route and
The process that one transmission service type establishes first service type storage table is similar.
In a kind of specific embodiment, when step S806 detects the second virtual transmission route corresponding second transmission
It is long, may include:
S1002. according to the second virtual transmission route determine the second analog gateway centering the second starting point gateway and
Second terminating gateway；
S1004. sending instant is obtained；The sending instant be by the second probe messages sent to the second terminating gateway when
It carves；The identification information of second probe messages is obtained according to the second starting point gateway and the second terminating gateway；
Specifically, the mark for sending second virtual circuit simultaneously when sending second probe messages, so that institute
The second probe messages are stated to be transmitted along second virtual circuit.
S1006. the time of reception is obtained；The time of reception is that the second starting point gateway receives the second terminal net
At the time of closing the second probe messages sent；
S1008. according to the time of reception and sending instant obtain the second starting point gateway and the second terminating gateway it
Between second transmission duration.
In the present embodiment, using one of them second virtual transmission route as representative, according to acquisition second probe messages
Along the transmission duration of the second virtual transmission route, so that it is determined that the transmission duration of the second virtual transmission route out.
Wherein, the identification information of second probe messages is obtained according to the second starting point gateway and the second terminating gateway
It arrives；Different virtual transmission routes has corresponding second probe messages.Second probe messages and above-mentioned first
Probe messages are similar, can be IP five-tuple (source IP address, source port, purpose IP address, destination port and protocol number) or IP
Triple (source IP address, purpose IP address, protocol number).By taking IP five-tuple as an example, if the second starting point gateway is C, the second terminal
Gateway is D；Institute is then obtained according to IP five-tuple (IP address of C, the port of C, two IP address, port and protocol No. two)
State the identification information (outer packing for being analogous to cargo) of the second probe messages；Different gateways is able to carry out according to the identification information
The match cognization of second probe messages.
If a length of second probe messages are issued from the second starting point gateway and are returned when total transmission of second probe messages again
To the transmission duration of the second starting point gateway；That is t4-t1；Then accordingly, the first starting point gateway and First terminal point gateway
Between first transmission duration can regard as [t4-t1]/2.Specifically, as shown in figure 8, the such as t1 moment is the second detection
At the time of message issues svip-2, at the time of the t2 moment is that svip-2 receives the second probe messages, the t3 moment is svip-2 by institute
At the time of stating the first probe messages and return to dip-1-1, at the time of the t4 moment is that dip-1-1 receives the first probe messages；Then
It can be to (t4-t1)/2=1500ms a length of when the second transmission by calculating.
It should be noted that this specification is made by obtaining probe messages in the transmission duration of corresponding virtual transmission route
For service message respective virtual transmission line transmission duration；It wherein, should be in conjunction with void on same dummy transmission line road
The hash Hash-key that each equipment is supported in quasi- route makes the service message transmitted on the dummy transmission line road and detection report
Stationery has consistent hashed result.Wherein, each gateway can voluntarily obtain the transmission of detection according to the detecting function of unlatching
Duration.
It further illustrates, the technical solution of this specification is to apply in the transmission network with backbone network gateway node
In, it can also apply in the transmission network of no backbone network gateway node, can be used for carrying out more industry by internet
Business transmitting scene.
The present embodiment obtains the clothes of gateway pair to progress analog detection within the scope of predeterminable area, to gateway therein
Service type is with the gateway to the mapping relations of the transmission duration of place virtual transmission route；And then getting request of data letter
When breath, the duration for transmitting the data request information can be matched from obtained mapping relations, meet enterprise customer to across
The duration demand of numeric field data transmission；For example enterprise customer has the business of low latency requirements, then according to the route choosing function of unlatching
Can, then the data request information in the terminal can be forwarded to the dummy transmission line road for being delayed minimum, to realize terminal
Cross-domain network transmission minimum latency requirement.
This specification embodiment provides a kind of data transmission device, as shown in figure 9, described device includes:
Storage file obtains module 202 and wraps in the service type storage file for obtaining service type storage file
Containing all virtual transmission routes within the scope of predeterminable area；
Solicited message obtains module 204, for obtaining data request information；
Transmission service type obtains module 206, for extracting locally-supported transmission according to the data request information
Service type；
Destination virtual route determining module 208, for determining to service with the transmission according to service type storage file
The destination virtual transmission line that type matches；Wherein, the destination virtual transmission line be local corresponding first gateway with
And the transmission line that the second gateway connecting with first net virtual is constituted；
Data information transfer module 210, for by the data request information along the destination virtual transmission line into
Row transmission.
In a kind of embodiment, described device further includes that storage file establishes module, is deposited for establishing the service type
Store up file；
Wherein, the storage file establishes module, comprising:
First storage table establishes module, for establishing first service type storage table；The first service type storage table
Comprising the first analog gateway to the mapping relations of the first transmission service type and the first virtual transmission route of support；Wherein, institute
Two gateways for stating the first analog gateway centering are belonging respectively to the big cluster of different gateways within the scope of the predeterminable area；
Second storage table establishes module, for establishing second service type storage table；The second service type storage table
Comprising the second analog gateway to the mapping relations of the second transmission service type and second transmission line road of support；Wherein, described
Two gateways of two analog gateway centerings belong to the different nets in the big cluster of identical gateway within the scope of the predeterminable area
Turn down cluster.
In a kind of feasible embodiment, first storage table establishes module, comprising:
First analog gateway is to acquiring unit, for obtaining the first all analog gateways within the scope of the predeterminable area
It is right；
First virtual transmission route acquiring unit, between two gateways for obtaining each first analog gateway centering
First virtual transmission route；
First transmission service type obtains unit, when transmitting for detecting the first virtual transmission route corresponding first
It is long, service type is transmitted to obtain first analog gateway to the first of support；
First service type storage table obtains unit, for according to the first analog gateway each within the scope of the predeterminable area
Pair the first virtual transmission route and it is described first transmission service type, obtain the first service type storage table.
In a kind of feasible embodiment, the first transmission service type obtains unit, comprising:
First gateway determines subelement, for determining the first analog gateway centering according to the first virtual transmission route
The first starting point gateway and First terminal point gateway；
First moment obtained subelement, for obtaining for the first moment；First moment is the first starting point gateway to first
At the time of terminating gateway sends the first probe messages；The identification information of first probe messages is according to the first starting point gateway
It is obtained with First terminal point gateway；
4th moment obtained subelement, for obtaining for the 4th moment；4th moment is that the first starting point gateway receives
At the time of the First terminal point gateway returns to first probe messages；
First transmission duration obtains subelement, for being calculated described the according to the 4th moment and the first moment
One transmission duration.
In a kind of specific embodiment, the first transmission service type obtains unit, further includes:
Second moment obtained subelement, for obtaining for the second moment；Second moment is that will connect from the first starting point gateway
At the time of the first probe messages received are sent to intermediate transit gateway；The intermediate transit gateway is according to the first dummy transmission line
The identification code determination on road obtains, and the intermediate transit gateway and the First terminal point gateway belong to the identical big collection of gateway
Group；
The third moment obtains subelement, and for obtaining the third moment, the third moment is that the intermediate transit gateway connects
At the time of receiving first probe messages；
The first transmission duration obtains subelement, comprising:
Internal transmission duration obtains subelement, for obtaining internal transmission duration；The internal transmission duration is according to institute
State the biography between the intermediate transit gateway and the First terminal point gateway that third moment and second moment are calculated
Defeated duration；
First transmission duration calculation subelement, for according to the 4th moment, the first moment and the internal transmission
The first transmission duration between the first starting point gateway and First terminal point gateway is calculated in duration.
In a kind of specific embodiment, first storage table establishes module, further includes:
Sequencing unit, for being ranked up the first all transmission durations within the scope of the predeterminable area；
Gateway group obtains unit, for being classified according to ranking results to the first transmission duration, to obtain one
A or multiple gateway groups；Wherein, the difference between the corresponding first transmission duration of every two gateway in the same gateway group
Value is respectively positioned in preset range.
In a kind of feasible embodiment, second storage table establishes module, comprising:
Second analog gateway is to acquiring unit, for obtaining the second all analog gateways pair in the preset range；
Second virtual transmission route acquiring unit, between two gateways for obtaining each second analog gateway centering
Second virtual transmission route；
Second transmission service type obtains unit, when transmitting for detecting the second virtual transmission route corresponding second
It is long, service type is transmitted to obtain second analog gateway to the second of support；
Second service type storage table obtains unit, for according to the second analog gateway each within the scope of the predeterminable area
Pair the second virtual transmission route and it is described second transmission service type, obtain the second service type storage table.
In a kind of specific embodiment, the second transmission service type obtains unit, comprising:
Second gateway determination unit, for determining the second analog gateway centering according to the second virtual transmission route
Second starting point gateway and the second terminating gateway；
Sending instant acquiring unit, for obtaining sending instant；The sending instant is by the second probe messages to second
At the time of terminating gateway is sent；The identification information of second probe messages is according to the second starting point gateway and the second terminal net
Pass obtains；
Time of reception acquiring unit, for obtaining the time of reception；The time of reception is the second starting point gateway reception
To second terminating gateway send the second probe messages at the time of；
Second transmission duration obtains unit, for obtaining the second starting point net according to the time of reception and sending instant
Close the second transmission duration between the second terminating gateway.
It should be noted that described device embodiment has inventive concept identical with above method embodiment, it is specific interior
Appearance please refers to corresponding embodiment of the method.
This specification embodiment provides a kind of data transmission system, and as shown in Figure 10, the system is for realizing above-mentioned
Data transmission method, specifically, the system may include:
Apollo: it for the configuration data of management terminal device, is communicated by api interface with VPC-OSS.
VPC-OSS: service operation and management platform, north orientation provide api interface, and south orientation is responsible for terminal equipment configuration data
It is synchronous.
VPC-Agent: the agent process on virtual backbone network gateway pulls the configuration data of terminal device from VPC-OSS.
Control strategy: it is switched on for controlling route selection function on gateway.
Common routing: the routing of the terminal device of route choosing function is not opened.
Fine routing routing: the routing of the terminal device of route choosing function is opened.
First detecting module: be responsible for virtual transmission tunnel between the big cluster of a gateway and the big cluster of another gateway when
Prolong detection, sequence, grouping.
Second detecting module: it is responsible for latency measurement between the small cluster of gateway in the big cluster of the same gateway.
It should be noted that first probe messages are the latency measurement of the big cluster of gateway and the big cluster of gateway, it is described
Second probe messages are the latency measurement of a big cluster internal of gateway；Then it is also possible to visit described second in practical applications
The inside that module belongs to first detecting module is surveyed, for illustrating that second probe messages are same for being responsible for
Latency measurement between the small cluster of gateway in the big cluster of gateway.
This specification embodiment provides a kind of equipment, and the equipment includes processor and memory, in the memory
It is stored at least one instruction, at least a Duan Chengxu, code set or instruction set, described at least one instructs, is at least one section described
Program, the code set or instruction set are loaded as the processor and are executed to realize the data transmission as described in above-described embodiment
Method.
Specifically, a kind of structural schematic diagram for equipment that this specification embodiment provides, please refers to Figure 11.The equipment is used for
The method of the data provided in above-described embodiment transmission, or the foundation side for implementing above-mentioned service type storage table are provided
Method.Specifically:
The equipment 2000 includes 2002 He of central processing unit (CPU) 2001 including random access memory (RAM)
The system storage 2004 of read-only memory (ROM) 2003, and connection system storage 2004 and central processing unit 2001
System bus 2005.The equipment 2000 further includes that the substantially defeated of information is transmitted between each device helped in computer
Enter/output system (I/O system) 2006, and is used for storage program area 2013, application program 2014 and other program modules
2015 mass-memory unit 2007.
The basic input/output 2006 includes display 2008 for showing information and inputs for user
The input equipment 2009 of such as mouse, keyboard etc of information.Wherein the display 2008 and input equipment 2009 all pass through
The input and output controller 2010 for being connected to system bus 2005 is connected to central processing unit 2001.The basic input/defeated
System 2006 can also include input and output controller 2010 to touch for receiving and handling from keyboard, mouse or electronics out
Control the input of multiple other equipment such as pen.Similarly, input and output controller 2010 also provide output to display screen, printer or
Other kinds of output equipment.
The mass-memory unit 2007 (is not shown by being connected to the bulk memory controller of system bus 2005
It is connected to central processing unit 2001 out).The mass-memory unit 2007 and its associated computer-readable medium are
Equipment 2000 provides non-volatile memories.That is, the mass-memory unit 2007 may include such as hard disk or
The computer-readable medium (not shown) of CD-ROM drive etc.
Without loss of generality, the computer-readable medium may include computer storage media and communication media.Computer
Storage medium includes information such as computer readable instructions, data structure, program module or other data for storage
The volatile and non-volatile of any method or technique realization, removable and irremovable medium.Computer storage medium includes
RAM, ROM, EPROM, EEPROM, flash memory or other solid-state storages its technologies, CD-ROM, DVD or other optical storages, tape
Box, tape, disk storage or other magnetic storage devices.Certainly, skilled person will appreciate that the computer storage medium
It is not limited to above-mentioned several.Above-mentioned system storage 2004 and mass-memory unit 2007 may be collectively referred to as memory.
According to various embodiments of the present invention, the equipment 2000 can also pass through the network connections such as internet to net
Remote computer operation on network.Namely equipment 2000 can be by the network interface that is connected on the system bus 2005
Unit 2011 is connected to network 2012, in other words, Network Interface Unit 2011 can be used also to be connected to other kinds of net
Network or remote computer system (not shown).
The embodiments of the present invention also provide a kind of computer storage medium, the storage medium may be disposed at client it
In with save for realizing relevant at least one instruction of data transmission method a kind of in embodiment of the method, an at least Duan Chengxu,
Code set or instruction set, at least one instruction, an at least Duan Chengxu, the code set or the instruction set are loaded simultaneously by the processor
Execute the data transmission method to realize above method embodiment offer.
Optionally, in the present embodiment, above-mentioned storage medium can be located in multiple network equipments of computer network
At least one network equipment.Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk read-only is deposited
Reservoir (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), mobile hard disk, magnetic
The various media that can store program code such as dish or CD.
It should be understood that above-mentioned this specification embodiment sequencing is for illustration only, the excellent of embodiment is not represented
It is bad.And above-mentioned this specification specific embodiment is described.Other embodiments are within the scope of the appended claims.?
The movement loaded in detail in the claims under some cases or step can execute simultaneously according to the sequence being different from embodiment
And desired result still may be implemented.In addition, process depicted in the drawing not necessarily require the particular order shown or
Consecutive order is just able to achieve desired result.In some embodiments, multitasking and parallel processing it is also possible or
Person may be advantageous.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device and
For apparatus embodiments, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to method
The part of embodiment illustrates.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of data transmission method, which is characterized in that the described method includes:
Service type storage file is obtained, includes all virtual biographies within the scope of predeterminable area in the service type storage file
Defeated route；
Obtain data request information；
Locally-supported transmission service type is extracted according to the data request information；
The destination virtual transmission line to match with the transmission service type is determined by the service type storage file；Its
In, the destination virtual transmission line is local corresponding first gateway and the second net connecting with first net virtual
Close the transmission line constituted；
The data request information is transmitted along the destination virtual transmission line.
2. data transmission method according to claim 1, which is characterized in that the method also includes establishing the service
Type storage file；
It is wherein, described to establish the service type storage file, comprising:
Establish first service type storage table；The first service type storage table includes the first analog gateway to the first of support
Transmit the mapping relations of service type and the first virtual transmission route；Wherein, two gateways of the first analog gateway centering
The big cluster of different gateways being belonging respectively within the scope of the predeterminable area；
Establish second service type storage table；The second service type storage table includes the second analog gateway to the second of support
Transmit the mapping relations of service type and the second virtual transmission route；Wherein, two gateways of the second analog gateway centering
Belong to the small cluster of different gateways in the big cluster of identical gateway within the scope of the predeterminable area.
3. data transmission method according to claim 2, which is characterized in that it is described to establish first service type storage table,
Include:
Obtain the first all analog gateways pair within the scope of the predeterminable area；
Obtain the first virtual transmission route between two gateways of each first analog gateway centering；
The corresponding first transmission duration of the first virtual transmission route is detected, to obtain first analog gateway to support
First transmission service type；
It is passed according to the first virtual transmission route of the first analog gateway pair each within the scope of the predeterminable area and described first
Defeated service type obtains the first service type storage table.
4. data transmission method according to claim 3, which is characterized in that detection the first virtual transmission route
Corresponding first transmission duration, comprising:
The the first starting point gateway and First terminal point net of the first analog gateway centering are determined according to the first virtual transmission route
It closes；
Obtained for the first moment；First moment be the first starting point gateway to First terminal point gateway send the first probe messages when
It carves；The identification information of first probe messages is obtained according to the first starting point gateway and First terminal point gateway；
Obtained for the 4th moment；4th moment receives the First terminal point gateway for the first starting point gateway and visits described first
At the time of observing and predicting text return；
The first transmission duration is calculated according to the 4th moment and the first moment.
5. data transmission method according to claim 4, which is characterized in that described according to the 4th moment and first
The first transmission duration is calculated in moment, before further include:
Obtained for the second moment；Second moment is will be from the first probe messages that the first starting point gateway receives to intermediate transit
At the time of gateway is sent；The intermediate transit gateway is obtained according to the determination of the identification code of the first virtual transmission route, and described
Intermediate transit gateway and the First terminal point gateway belong to the identical big cluster of gateway；
The third moment is obtained, at the time of the third moment is that the intermediate transit gateway receives first probe messages；
It is described that the first transmission duration is calculated according to the 4th moment and the first moment, comprising:
Obtain internal transmission duration；The internal transmission duration is to be calculated according to the third moment and second moment
The intermediate transit gateway and the First terminal point gateway between transmission duration；
According to the 4th moment, the first moment and the internal transmission duration, be calculated the first starting point gateway with
The first transmission duration between First terminal point gateway.
6. data transmission method according to claim 3, which is characterized in that detection the first virtual transmission route
Corresponding first transmission duration, later further include:
The first all transmission durations within the scope of the predeterminable area are ranked up；
Classified according to ranking results to the first transmission duration, to obtain one or more gateway groups；Wherein, same
The difference between the corresponding first transmission duration of every two gateway in a gateway group is respectively positioned in preset range.
7. data transmission method according to claim 2, which is characterized in that the foundation of the second service type storage table
Process, comprising:
Obtain the second all analog gateways pair in the preset range；
Obtain the second virtual transmission route between two gateways of each second analog gateway centering；
The corresponding second transmission duration of the second virtual transmission route is detected, to obtain second analog gateway to support
Second transmission service type；
It is passed according to the second virtual transmission route of the second analog gateway pair each within the scope of the predeterminable area and described second
Defeated service type obtains the second service type storage table.
8. data transmission method according to claim 5, which is characterized in that detection the second virtual transmission route
Corresponding second transmission duration, comprising:
The the second starting point gateway and the second terminal net of the second analog gateway centering are determined according to the second virtual transmission route
It closes；
Obtain sending instant；The sending instant is at the time of sending the second probe messages to the second terminating gateway；Described
The identification information of two probe messages is obtained according to the second starting point gateway and the second terminating gateway；
Obtain the time of reception；The time of reception is that the second starting point gateway receives that second terminating gateway sends
At the time of two probe messages；
Second between the second starting point gateway and the second terminating gateway is obtained according to the time of reception and sending instant to pass
Defeated duration.
9. a kind of data transmission device, which is characterized in that described device includes:
Storage file obtains module, includes default in the service type storage file for obtaining service type storage file
All virtual transmission routes in regional scope；
Solicited message obtains module, for obtaining data request information；
Transmission service type obtains module, services class for extracting locally-supported transmission according to the data request information
Type；
Destination virtual route determining module, for being determined and the transmission service type phase according to service type storage file
The destination virtual transmission line matched；Wherein, the destination virtual transmission line be local corresponding first gateway and with it is described
The transmission line that second gateway of the first net virtual connection is constituted；
Data information transfer module, for transmitting the data request information along the destination virtual transmission line.
10. a kind of equipment, which is characterized in that the equipment includes processor and memory, is stored at least in the memory
One instruction, at least a Duan Chengxu, code set or instruction set, at least one instruction, an at least Duan Chengxu, the generation
Code collection or instruction set are loaded by the processor and are executed to realize data transmission method as described in any one of claim 1 to 9.
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