CN109802997A - A kind of selection method and its relevant device of node device - Google Patents
A kind of selection method and its relevant device of node device Download PDFInfo
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- H—ELECTRICITY
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Abstract
The embodiment of the present application discloses the selection method and its relevant device of a kind of node device, for determining the scheduled node device of processing terminal service request according to the parameter that node device reports that is scheduled.The embodiment of the present application method includes: that scheduling node equipment is instructed to the scheduled node device transmission reporting parameters of each of scheduled node device set, wherein the scheduled node device set includes at least one scheduled node device；The scheduling node equipment receives the parameter that each scheduled node device reports, wherein the parameter includes physical distance, network distance and the usable stock number of the scheduled node device；The scheduling node equipment determines the scheduled node device of processing terminal service request according to the parameter from scheduled node device set.
Description
Technical field
This application involves the communications field more particularly to the selection methods and its relevant device of a kind of node device.
Background technique
Content distributing network (content delivery network, CDN) be by existing Internet basic it
On one layer of intelligent virtual network, user is requested to be oriented in the CDN node nearest from user, which is referred to as to be adjusted
Node device is spent, manage scheduled node device is known as central dispatching node device or scheduling node equipment.CDN includes distribution
4 formula storage, load balancing, the redirection of network request and Content Management main technologies.In order to which preferably user is requested
Be oriented to nearest CDN node, generally use C/U separation architecture, core net (evolved packet core, EPC) gateway into
The separation of row control plane and user face.
Mobile content distribution network (mobile content delivery network, mCDN) is CDN technology in movement
Application in network is illustrated in fig. 1 shown below in the node scheduling scheme of mobile content distribution network, using C/U separation architecture,
Gateway is deployed in each CDN node, forms the network equipment GW1 and mCDN combination and the network equipment GW2 and mCDN
Combination is used as two scheduled node devices, and base station is after the service request for receiving a certain user equipment (UE), the center of mCDN
Scheduling node equipment (not marking in figure) can select the service request of the scheduled node device processing UE nearest apart from the UE, figure
The physical distance of GW1 and mCDN combined distance UE is 10 kilometers in 1, and the physical distance of GW2 and mCDN combined distance UE is 50
Kilometer, therefore central dispatching node device can select GW1 and mCDN to combine.
But if selecting the service request of GW1 and mCDN combined treatment UE according to physical distance, GW1 and mCDN combination
Processing user experience be not necessarily it is best, such as when GW1 and the mCDN resource utilization combined are 99%, GW2 and mCDN group
When the resource utilization of conjunction is 20%, GW1 and mCDN combined treatment user request is selected, it is likely that will appear Caton phenomenon, drop
Low user experience.
Summary of the invention
In view of this, this application provides a kind of selection method of node device, for according to the node device that is scheduled
The parameter of report determines the scheduled node device of processing terminal service request.
The first aspect of the application provides a kind of selection method of node device, and this method is based on CDN framework, comprising:
Scheduling node equipment all sends a ginseng to the scheduled node device of each of scheduled node device set
Number reports instruction, and reporting parameters instruction reports the instruction of parameter for the scheduled node device of request.Here scheduling node is set
The central dispatching node of standby corresponding mCDN, scheduled node device correspond to the edge scheduling node or subdispatch node of mCDN,
Scheduling node equipment can be scheduled scheduled node device.It is scheduled including at least one in scheduled node device set
Node device.
Scheduling node equipment receives the parameter that each scheduled node device reports, what each scheduled node device reported
It include physical distance, network distance and the usable stock number of scheduled node device in parameter.
Scheduling node equipment is selected from scheduled node device set according to the parameter that each scheduled node device reports
The scheduled node device of a processing terminal service request is selected, a selected scheduled node device is that business experience is excellent
The first highest scheduled node device of grade, still, when there are the business experience highest priority of multiple scheduled node devices,
Select the smallest scheduled node device of physical distance.
The embodiment of the present application has the advantage that scheduling node equipment to each of scheduled node device set quilt
Scheduling node equipment all sends reporting parameters instruction, so that each scheduled node device reports parameter, which includes quilt
Physical distance, network distance and the usable stock number of scheduling node equipment, after scheduling node equipment receives parameter, from tune
The scheduled node device of a processing terminal service request is selected in degree node device set.It can be seen that in the present embodiment,
Select physical distance, network that scheduled node device has been comprehensively considered when the scheduled node device of processing terminal service request
Distance and usable stock number, select to be adjusted relative to the existing physical distance according only to scheduled node device away from terminal
The scheme of node device is spent, the selected scheduled node device user experience out of the application is more preferable.
Based in a first aspect, the first in first aspect can be in realization mode, scheduling node equipment is according to parameter from quilt
The scheduled node device of determining processing terminal service request includes: in scheduling node cluster tool
Scheduling node equipment is first according to pre- rule respectively to the physical distance of scheduled node device, network distance and can
It is given a mark, the physical distance of scheduled node device, network distance are preset in presetting rule and can made using stock number
With the marking rule of this three of stock number, the marking rule of this three can be similar, can also be entirely different, does not limit herein
It is fixed.
Scheduling node equipment scores according to the business experience priority that the marking result of three obtains scheduled node device,
It repeats until obtaining the business experience priority scoring of each scheduled node device in scheduled node device set.
Scheduling node equipment determines in scheduled node device at the maximum scheduled node device of priority scoring
Manage the service request of terminal.
In the present embodiment, the selection mode of scheduled node device is described in detail, there is Utilization plan implementation.
The first based on first aspect can realize mode, can be achieved at second of first aspect, and scheduling node is set
The standby user experience priority for obtaining each scheduled node device according to marking result, which scores, includes:
A kind of possible situation is: using physical distance score as Reference factor, network distance score and usable resource
It measures and is allocated as confactor, user experience priority scoring=physical distance score * [the N1- α * for the node device that is scheduled
(N2-network distance score)-β * (stock number score can be used in N3 -)], in the present embodiment, the value range of α is [0,1], β's
Value range is [0,1], and N1 is the score upper limit of physical distance, and N2 is the score upper limit of network distance, and N3 is that resource can be used
The score upper limit of amount, such as the score value range of N1 is 0 point to 10 points, then the score upper limit of physical distance is 10.
Alternatively possible situation is: using network distance score as Reference factor, physical distance score and usable money
Source, which measures, to be allocated as confactor, user experience priority scoring=network distance score * [the N1- α * for the node device that is scheduled
(N2-physical distance score)-β * (stock number score can be used in N3 -)], in the present embodiment, the value range of α is [0,1], β's
Value range is [0,1], and N1 is the score upper limit of network distance, and N2 is the score upper limit of physical distance, and N3 is that resource can be used
The score upper limit of amount, such as the score value range of N1 is 0 point to 10 points, then the score upper limit of network distance is 10.
In above-mentioned two situations, α and β are as weight factor, and value is different when concrete scene difference, such as network
The higher scene of required distance, larger, more demanding for the physical distance scene of the value of α in the case where the first is possible,
The value of α is larger in the case where second of possibility.
Alternatively possible situation is: physical distance score, network distance score and usable stock number score are as same
Etc. the factors, be scheduled node device user experience priority scoring=network distance score * physical distance score * can be used money
Source measures point.
Alternatively possible situation is: physical distance score, network distance score and usable stock number score are as same
Etc. the factors, be scheduled node device user experience priority scoring=network distance score+physical distance score+can be used money
Source measures point.
More possible situations are not listed one by one herein, it is only necessary to which synthesis is examined when assessing the priority of scheduled node device
Network distance, physical distance and usable stock number are considered.
Based on the formula of above-mentioned several possible scheduled node device priority scorings, repeating, which can be obtained, is adjusted
The priority for the node device that is each scheduled is spent in node device set.
In the embodiment of the present application, the calculation formula of priority scoring is specifically illustrated, there is Utilization plan implementation.
It is any into second of achievable mode based on the first of first aspect and its first aspect, in first aspect
The third can be in realization mode, physical distance is specially that the distance or physical distance of scheduled node device to terminal are specific
Distance or physical distance for the base station that node device is accessed to terminal of being scheduled are specially to be scheduled node device to terminal
The distance of accessed cell, the accessed cell of terminal are obtained by the TAC of the cell.
In the present embodiment, several achievable situations of physical distance are described in detail, increase the flexible of scheme implementation
Property.
It is any into second of achievable mode based on the first of first aspect and its first aspect, in first aspect
The 4th kind of achievable mode in, network distance is specially the service request of terminal from terminal transmission to scheduled node device
Time delay/terminal the business of time delay or network distance=terminal service request from terminal transmission to scheduled node device is asked
Seek the intermediate equipment number passed through by terminal transmission to scheduled node device.Here intermediate equipment can be terminal to quilt
Interchanger, router or base station between scheduling node equipment etc..
In the present embodiment, being specifically defined for network distance is described in detail, there is Utilization plan implementation.
It is any into second of achievable mode based on the first of first aspect and its first aspect, in first aspect
The 5th kind of achievable mode in, be scheduled node device usable stock number include: that scheduled node device itself can make
Communications bandwidth resources amount workable for CPU amount of computational resources, scheduled node device itself, scheduled node device itself
Workable for CPU amount of computational resources workable for workable storage resource amount, transmission link node and transmission link node
At least one of communications bandwidth resources amount.
In the present embodiment, transmission link is terminal institute's access base station to the link between scheduled node device, transmission
Link nodes are terminal institute's access base station to the node in the link between scheduled node device, such as base station is saved to scheduled
Switch or router etc. between point device.
In the present embodiment, being specifically defined for usable stock number is described in detail, there is Utilization plan implementation.
It is any into the 5th kind of achievable mode based on the first of first aspect and its first aspect, in first aspect
The 6th kind of achievable mode in, when the application is applied under 4G scene, using C/U separation architecture, scheduling node equipment is CGW
Equipment, the node device that is scheduled are DGW equipment or RGW equipment；When the application is applied under 5G scene, 5G scene itself uses C/
U separation architecture, the node device that is scheduled are SMF entity, and the node device that is scheduled is UPF entity.
In the present embodiment, scheduled node device and mCDN have corresponding relationship, can be a scheduled node and set
A standby corresponding mCDN, is also possible to the corresponding mCDN of at least two scheduled node devices, and mCDN is scheduled for storing
The content source that node device needs.
The second aspect of the application provides a kind of selection method of node device, and this method is based on CDN framework, comprising:
Scheduled node device receives the reporting parameters instruction that scheduling node equipment is sent, and reporting parameters instruction is request
Scheduled node device reports the instruction of parameter, includes that at least one scheduled node is set in scheduled node device set
It is standby.
In the present embodiment, scheduling node equipment and the definition of scheduled node device are similar with first aspect, herein not
It repeats again.
Scheduled node device reports parameter to scheduling node equipment, which can be used for scheduling node equipment from being adjusted
Determine that the maximum scheduled node device processing terminal business of business experience priority scoring is asked in degree node device set
It asks.The parameter includes physical distance, network distance and the usable stock number of scheduled node device.
When there are multiple business experience priority scoring maximum scheduled node device, select physical distance the smallest
Scheduled node device processing terminal service request.
In the embodiment of the present application, a certain scheduled node device being scheduled in node device set sends parameter to tune
Node device is spent, so that scheduling node equipment can determine a processing terminal service request from scheduled node device set
Scheduled node device, the application select to have comprehensively considered scheduled section when the scheduled node device of processing terminal service request
Physical distance, network distance and the usable stock number of point device, relative to it is existing according only to scheduled node device away from end
The physical distance at end selects the scheme of scheduled node device, the application it is selected go out scheduled node device user experience
More preferably.
Based on second aspect, the first in the application second aspect can be in realization mode, the possibility situation of physical distance
Similar with first aspect, details are not described herein again.
Mode can be realized based on the first of second aspect or second aspect, and second in the application second aspect can be real
In existing mode, the possibility situation of network distance is similar with first aspect, and details are not described herein again.
Mode can be realized based on the first of second aspect or second aspect, the third in the application second aspect can be real
In existing mode, it can be used the possibility situation of stock number similar with first aspect, details are not described herein again.
Mode can be realized based on the first of second aspect or second aspect, and the 4th kind in the application second aspect can be real
In existing mode, this application can be applied to 4G scenes, also can be applied under 5G scene, are applied to scheduling node when different scenes
Equipment is different with the entity structure of scheduled node device, and concrete condition is similar with first aspect, and details are not described herein again.
The application third aspect provides a kind of scheduling node equipment, has and realizes above-mentioned first aspect or first aspect
Any one implementation in function performed by terminal.The function can pass through corresponding software realization.The software includes
One or more units corresponding with above-mentioned function.
The application fourth aspect provides a kind of scheduled node device, has and realizes above-mentioned second aspect or second party
Function performed by the network equipment in any one implementation in face.The function can pass through corresponding software realization.This is soft
Part includes one or more units corresponding with above-mentioned function.
The 5th aspect of the application provides a kind of scheduling node equipment characterized by comprising memory, transceiver, place
Manage device and bus system；
Wherein, the memory is for storing program and instruction；
The transceiver is for receiving or sending information under the control of the processor；
The processor is used to execute the program in the memory；
The bus system is for connecting the memory, the transceiver and the processor, so that the storage
Device, the transceiver and the processor are communicated；
Wherein, the processor is used to call the program instruction in the memory, executes described in above-mentioned first aspect
The step of whole or method.
The aspect of the application the 6th provides a kind of scheduled node device characterized by comprising memory, transceiver,
Processor and bus system；
Wherein, the memory is for storing program and instruction；
The transceiver is for receiving or sending information under the control of the processor；
The processor is used to execute the program in the memory；
The bus system is for connecting the memory, the transceiver and the processor, so that the storage
Device, the transceiver and the processor are communicated；
Wherein, the processor is used to call the program instruction in the memory, executes described in above-mentioned second aspect
The step of whole or method.
The 7th aspect of the embodiment of the present application provides a kind of computer storage medium, includes behaviour in the computer storage medium
It instructs, when the operational order is run on computers, so that computer executes any one of above-mentioned first aspect or second
The method of any one of aspect.
The embodiment of the present application eighth aspect provides a kind of computer program product, when the computer program product is calculating
When being run on machine, so that the method that computer executes any one of any one of above-mentioned first aspect or second aspect.
Detailed description of the invention
Fig. 1 is the schematic diagram of the application prior art；
Fig. 2 is the system framework figure of the application；
Fig. 3 is a kind of possible structure of the application gateway；
Fig. 4 (a) is a kind of possible structure of the application SMF entity；
Fig. 4 (b) is a kind of possible structure of the application UPF entity；
Fig. 5 is a kind of embodiment schematic diagram of the selection method of the application node device；
Fig. 6 is another embodiment schematic diagram of the selection method of the application node device；
Fig. 7 is another embodiment schematic diagram of the selection method of the application node device；
Fig. 8 is a kind of possible structure of the application scheduling node equipment；
Fig. 9 is a kind of possible structure of the scheduled node of the application.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Term "comprising" in description and claims of this specification and above-mentioned attached drawing and " having " and they
Any deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, being
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or
For the intrinsic other step or units of these process, method, system, product or equipment.
In the embodiment of the present application, scheduling node corresponding to scheduling node equipment is the central dispatching node of mCDN, quilt
Scheduled node corresponding to scheduling node equipment is the edge scheduling node or subdispatch node of mCDN.Scheduling node equipment
Scheduled node device can be scheduled, terminal traffic is requested assignment to by specific scheduling node equipment.
When existing scheduling node equipment selects the service request of scheduled node device processing terminal, it can generally select in object
Nearest from terminal scheduled node device on is managed, but relies solely on physical distance and selects scheduled node device obvious
It is not most suitable, in this regard, present applicant proposes a kind of selection method of node device, the purpose is to from multiple scheduled sections
Most suitable one scheduled node device processing terminal service request is selected in point device.
As shown in Fig. 2, terminal originating service request, the service request is sent out by base station for the system framework figure of the application
Scheduling node equipment is given, selects a scheduled node device from N number of scheduled node device by scheduling node equipment
The service request of terminal is managed, N is the positive integer greater than 1.Wherein, a kind of possible situation is when the application is applied under 4G scene
When, using C/U separation architecture, scheduling node equipment can close (centralized gateway, CGW) equipment for centralized network,
Scheduled node device can be distributed network gate (distributed gateway, DGW) equipment or remote gateways (remote
Gateway, RGW) equipment, when the application is applied under 5G scene, 5G inherently C/U separation architecture, scheduling node equipment
It can be conversation management functional (session management function, SMF) entity, scheduled node device can be
User plane functions (user plane function, UPF) entity.It should be noted that no matter the application be applied to 4G scene and
5G scene, the node device that is scheduled have corresponding relationship with mCDN, can be the corresponding mCDN of a scheduled node device,
It is also possible to the corresponding mCDN of at least two scheduled node devices, the mCDN of be scheduled node device and respective corresponding node
The method that cooperative cooperating realizes the embodiment of the present application, it is to be understood that scheduled node device and respective corresponding node
MCDN adjacent or close setting on geographical location.Alternatively possible situation is, when the application is applied under 4G scene, to adjust
Spending node device can be CGW equipment, scheduled node device can for DGW equipment and mCDN combination or RGW equipment with
The combination of mCDN, when the application is applied under 5G scene, scheduling node equipment can set for meeting SMF entity, scheduled node
It is standby in multiple scheduled node devices, scheduled section to be combined into this case for the combination of UPF entity and mCDN
The mCDN of point device can be same, be also possible to different.
It should be noted that the scheduled corresponding mCDN of node device is for storing quilt in the case where above two possibility
The content source that scheduling node equipment needs.
In the embodiment of the present application, the corresponding mCDN of node device that is scheduled can be server, which can be
Virtual equipment, or the server with entity morphology.
In the embodiment of the present application, a kind of possible structure of gateway is as shown in figure 3, gateway here can be with
It is any in above-mentioned CGW equipment, DGW equipment and RGW equipment.Gateway 300 includes:
Receiver 301, transmitter 302, processor 303 and (the wherein processor 303 in the network equipment 300 of memory 304
Quantity can be one or more, taken a processor as an example in Fig. 3).In some embodiments of the present application, receiver 301,
Transmitter 302, processor 303 and memory 304 can be connected by bus or other means, wherein to be connected by bus in Fig. 3
It is connected in example.
Memory 304 may include read-only memory and random access memory, and provide instruction sum number to processor 303
According to.The a part of of memory 304 can also include nonvolatile RAM (full name in English: Non-Volatile
Random Access Memory, english abbreviation: NVRAM).Memory 304 is stored with operating system and operational order, can be performed
Module perhaps data structure perhaps their subset or their superset, wherein operational order may include various operations
Instruction, for realizing various operations.Operating system may include various system programs, for realizing various basic businesses and processing
Hardware based task.
Processor 303 control the network equipment operation, processor 303 can also be known as central processing unit (full name in English:
Central Processing Unit, English abbreviation: CPU).In specific application, the various components of the network equipment pass through bus
System is coupled, and wherein bus system can also include power bus, control bus and shape in addition to including data/address bus
State signal bus etc..But for the sake of clear explanation, various buses are referred to as bus system in figure.
The method that following the embodiment of the present application disclose can be applied in processor 303, or be realized by processor 303.
Processor 303 can be a kind of IC chip, the processing capacity with signal.During realization, following methods it is each
Step can be completed by the integrated logic circuit of the hardware in processor 303 or the instruction of software form.Above-mentioned processing
Device 303 can be general processor, digital signal processor (full name in English: digital signal processing, English
Abbreviation: DSP), specific integrated circuit (full name in English: Application Specific Integrated Circuit, English
Abbreviation: ASIC), field programmable gate array (full name in English: Field-Programmable Gate Array, english abbreviation:
FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or
Person executes disclosed each method, step and logic diagram in the embodiment of the present application.General processor can be microprocessor or
Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present application, can be straight
Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed
At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can
In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 304, and processor 303 is read
Information in access to memory 304, in conjunction with the step of its hardware completion following methods.
Receiver 301 can be used for receiving the number or character information of input, and generate setting related to the network equipment
And the related signal input of function control, transmitter 302 may include that display screen etc. shows equipment, transmitter 302 can be used for leading to
Cross external interface output number or character information.
In the embodiment of the present application, processor 303, for executing all or part of step of following node device selection method
Suddenly.
Fig. 4 (a) and Fig. 4 (b) respectively illustrate conversation management functional SMF entity involved in the application and user face function
A kind of possible structural schematic diagram of energy UPF entity.Be illustrated by taking SMF entity in Fig. 4 (a) as an example: SMF entity includes transmitting-receiving
Device 402 and processor 404, as shown in Fig. 4 (a).For example, processor 404, which is configured as processing SMF entity, executes the application scheduling
Equipment determines the corresponding function of SMF entity in method.Transceiver 402 is for realizing SMF entity and mobile management function to ps domain entity
Or the communication between user plane functions entity or other conversation management functional entities.SMF entity can also include memory 406,
Memory saves the necessary program instruction of SMF entity and data for coupling with processor.
It is designed it is understood that Fig. 4 (a) and Fig. 4 (b) illustrate only simplifying for above equipment.In practical applications,
Above-mentioned each equipment may include any number of transmitter, receiver, processor, controller, memory, communication unit etc.,
And all equipment that the application may be implemented are all within the scope of protection of this application.For executing the above-mentioned session management of the application
The controller or processor of functional entity can be central processing unit (CPU), general processor, digital signal processor (DSP)
And specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, transistor are patrolled
Collect device, hardware component or any combination thereof.It may be implemented or execute various in conjunction with described in present disclosure
Illustrative logic block, module and circuit.Processor is also possible to realize the combination of computing function, such as includes one or more
A micro processor combination or the combination of DSP and microprocessor etc..
The step of method in conjunction with described in present disclosure or algorithm can realize in a manner of hardware, can also
It is realized in a manner of being to execute software instruction by processor.Software instruction can be by corresponding software module group
At software mould.
Block can be stored on RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, deposit
Device, hard disk, mobile hard disk, CD-ROM or any other form well known in the art storage medium in.It is a kind of illustrative
Storage medium is coupled to processor, to enable a processor to from the read information, and can write to the storage medium
Enter information.Certainly, storage medium is also possible to the component part of processor.Pocessor and storage media can be located in ASIC.
In addition, the ASIC can be located in SMF entity.Certainly, pocessor and storage media can also be used as discrete assembly and be present in SMF
In entity.
The function of all parts is similar with SMF entity in UPF entity, and specific details are not described herein again.
It is described based on the above-mentioned structure for each equipment, referring to Fig. 5, below to the node device selection method of the application
It is described in detail:
501, scheduling node equipment is scheduled in node device transmission parameter to each of scheduled node device set
Report instruction.
Terminal originating service request is transmitted to scheduling node equipment by base station, and scheduling node equipment is to scheduled node
The scheduled node device of each of cluster tool all sends a transmission reporting parameters instruction, and reporting parameters instruction is to ask
Scheduled node device is asked to report the instruction of parameter.
In the present embodiment, the node device set that is scheduled can be all scheduled node device groups that can be scheduled
At set, be also possible to a part of quilt selected from all scheduled node devices that can be scheduled according to physical distance
The set of scheduling node equipment composition, such as select physical distance smaller from all scheduled node devices that can be scheduled
Preceding 10% scheduled node device.
In the present embodiment, the number of scheduled node device in node device set that is scheduled is at least one, is dispatched
Node device needs select most suitable one scheduled node device processing terminal industry from scheduled node device set
Business request.
502, scheduling node equipment receives the parameter that each scheduled node device reports.
The parameter that scheduled node device reports includes the physical distance of scheduled node device, scheduled node device
The usable stock number of network distance and scheduled node device.
Wherein the usable resource of scheduled node device refers to scheduled node device in addition to occupied resource also
Remaining resource.
503, scheduling node equipment determines processing terminal service request according to parameter from scheduled node device set
Scheduled node device.
User of the parameter that scheduling node equipment is reported according to each scheduled node device to each scheduling node equipment
The priority of experience scores, and specific: scheduling node equipment respectively sets scheduled node according to preset marking rule
Standby physical distance, network distance and usable stock number is given a mark, preset in presetting rule here physical distance,
The marking rule of network distance and usable stock number, after obtaining the marking result of this three, by scheduled node device
Physical distance marking result, network distance marking result and usable stock number marking result are obtained by preset formula is brought into
The priority scoring of scheduled node device, scheduling node equipment determine the highest scheduled node device processing of priority scoring
Terminal traffic request.
In the present embodiment, when the highest scheduled node device of priority scoring has multiple, physical distance is selected most
Small scheduled node device processing terminal service request.
In the present embodiment, the object of scheduled node device is considered when determining the priority of each scheduled node device
Reason distance, network distance and usable stock number, and the priority for the node device that is each scheduled alternatively handles use
The foundation of the scheduled node device of family service request, relative to it is existing according only to scheduled node device away from terminals physical distance
Select the scheme of scheduled node device, the application it is selected go out scheduled node device user experience it is more preferable.
In the following, referring to Fig. 6, the angle that is interacted from scheduling node equipment with scheduled node device to the embodiment of the present application into
Row explanation.
601, scheduling node equipment is scheduled in node device transmission parameter to each of scheduled node device set
Report instruction.
602, the parameter that the node device that is scheduled is reported to scheduling node equipment.
The embodiment of the present application step 601 to 602 with above-described embodiment step 501 to 502 similar, details are not described herein again.
603, scheduling node equipment is according to presetting rule to the physical distance of scheduled node device, network distance and can
It is given a mark respectively using stock number.
Firstly, being illustrated to the meaning of physical distance, network distance and usable stock number in the present embodiment:
1, there are several types of possible situations for the physical distance of the scheduled node device of the application:
A, physical distance is distance of the scheduled node device to terminal.
Computing terminal position is obtained after terminal positional information to the distance between scheduled node device as physical distance,
Wherein, the location information of terminal can be obtained by GPS positioning, can also be obtained by other positioning methods, specifically herein not
It limits.
B, physical distance for be scheduled node device to terminal institute access base station distance；
General terminal all can be in the X rice range of institute's access base station, such as terminal is located at the 500m range of institute's access base station,
Can using the distance approximation of scheduled node device to terminal institute access base station as the distance of scheduled node device to terminal,
The physical distance of so scheduled node device is the distance for the base station that scheduled node device is accessed to terminal.
C, physical distance is obtained according to the tracking area code TAC of the accessed cell of terminal.
In the present embodiment, for terminal generally in the Y rice range of accessed cell, Y is greater than X, can be by scheduled node
Equipment to the accessed cell of terminal distance of the distance approximation as scheduled node device to terminal, then physical distance can
Cell that terminal is accessed is thought the distance between to scheduled node device, and the cell that wherein terminal is accessed is by the cell
It tracks indicated by area code TAC, cell coverage area is obtained according to the TAC of cell, the position of cell can cover cell
Range takes central value to obtain, and can also obtain otherwise, this is not limited here.
In the present embodiment, physical distance has above-mentioned three kinds of possible definition, increases the flexibility of scheme implementation, simultaneously
Determine that the scheme of terminal location, implementation are higher according to cell TAC code.
After scheduling node equipment obtains the physical distance of each scheduled node device, to each scheduled node device
Physical distance is given a mark, and the score of physical distance is given a mark according to the preset marking rule of physical distance, such as physics
The preset marking rule of distance be in 10 kilometers 10 points, be then 0 kilometer≤increased physical distance < 10 per increased distance
Subtract 1 point when kilometer, until 0 point is reduced to, then marking is 8 points when physical distance is 2.5 kilometers.The preset marking of physical distance
Rule can also be that the physical distance by scheduled node device obtains relative score after being ranked up, such as 10 scheduled set
10 physical distances are had, 1 to 10 point of score from high to low is distinguished.
2, the network distance of the scheduled node device of the application can be transmitted to scheduled node for the service request of terminal
The network distance of the time delay of equipment, scheduled node device can also be obtained according to following algorithm: the service request transmission of terminal
Time delay/terminal service request to scheduled node device is transmitted to the intermediate equipment that scheduled node device is passed through
Number.
In the present embodiment, intermediate equipment can be transmitted to what scheduled node device passed through by the service request of terminal
One or more equipment in base station, interchanger, router etc..
In the present embodiment, time delay and intermediate equipment number can be arranged in scheduled equipment manually with user, and centre is set
Standby number can also actively initiate the network instructions such as traceroute or ping by scheduled node device, obtain terminal traffic and ask
Ask by intermediate equipment number, time delay can also actively initiate two-way active measurement agreement by scheduled node device
(two-way active measurement protocol, TWAMP) etc. is obtained in real time.
In the present embodiment, scheduling node equipment carries out after receiving network distance according to the preset marking rule of network distance
The preset marking rule of marking, network distance then can be 0ms≤increase per increased time delay to obtain 10 points in time delay 10ms
Delay < 5ms when subtract 1 point, until 0 point is reduced to, then marking is 7 points when time delay is 3.7ms.The preset marking of network distance
Rule can also be that the network distance by scheduled node device obtains relative score after being ranked up, such as 10 scheduled set
10 network distances are had, 1 to 10 point of score from high to low is distinguished.
3, the usable stock number of scheduled node device can be in being used for workable for scheduled node device itself
Central processor (CPU) carry out communications bandwidth resources amount workable for the stock number of data calculating, scheduled node device itself with
And it is one or more in the workable stock number for data storage of scheduled node device itself, be scheduled node device
Usable stock number can also be the workable stock number and chain that data calculating is carried out for CPU of transmission link node
It is one or more in communications bandwidth resources amount workable for circuit node.
In the present embodiment, transmission link refer to terminal institute's access base station to the link between scheduled node device,
Transmission link node refers to that the node device in the link, such as data are transferred to scheduled node device from base station and are passed through
Router and interchanger etc..
In the present embodiment, the usable stock number of scheduled node device can actively be obtained by scheduling node equipment,
Scheduling node equipment can also be reported to by scheduled node device automatically, in the transmission process that stock number can be used, no matter
It is any reporting schemes, needs to increase the port of data transmission between scheduling node equipment and the intermediate equipment of transmission link,
It is also required to increase the port of data transmission between scheduled node device and the intermediate equipment of transmission link simultaneously, to make
Scheduling node equipment is reported to from scheduled node device with stock number.Intermediate equipment can be interchanger and router etc..
In the present embodiment, the marking that stock number scheduled node device can be used, can be by scheduling node equipment pair
Usable stock number is given a mark after being assessed according to the preset marking rule of usable stock number, when usable stock number packet
When containing multiple parameters in above-mentioned parameter, carried out after multiple parameters comprehensive assessment according to the preset marking rule of usable stock number
Marking.Can be used stock number preset marking rule can be usable stock number is assessed after obtain relative score,
Such as 10 scheduled equipment have 10 usable stock numbers, distinguish 1 to 10 point of score from high to low.
604, scheduling node equipment determines the scheduled node device of processing terminal service request according to marking result.
Scheduling node equipment brings marking result into following formula and obtains the excellent of each scheduled node device user experience
First grade scoring, after obtaining priority scoring, scheduling node equipment determines the maximum scheduled node device processing of priority scoring
The service request of terminal.
A kind of possible situation is: using physical distance score as Reference factor, network distance score and usable resource
It measures and is allocated as confactor, the priority scoring formula of user experience are as follows:
[(N2-network distance obtains N1- α * priority scoring=physical distance score * of scheduled node device user experience
Point)-β * (stock number score can be used in N3 -)].
Wherein, the value range of α is [0,1], and the value range of β is [0,1].
In the present embodiment, N1 be physical distance the score upper limit, such as physical distance score value range be [0,
N1], N2 is the score upper limit of network distance, such as the value range of network distance score is [0, N2], and N3 is that resource can be used
The score upper limit of amount, such as it is [0, N3] that the value range of stock number score, which can be used,.N1, N2 and N3 are the nature greater than 0
Number.
Alternatively possible situation is: using network distance score as Reference factor, physical distance score and usable money
Source, which measures, to be allocated as confactor, user experience priority scoring=network distance score * [the N1- α * for the node device that is scheduled
(N2-physical distance score)-β * (stock number score can be used in N3 -)], in the present embodiment, the value range of α is [0,1], β's
Value range is [0,1], and N1 is the score upper limit of network distance, such as the value range of network distance score is [0, N1], N2
Value range for the score upper limit of physical distance, such as physical distance score is [0, N2], and N3 is that obtaining for stock number can be used
Divide the upper limit, such as it is [0, N3] that the value range of stock number score, which can be used, N1, N2 and N3 are the natural number greater than 0.
It is understood that can also be using usable stock number score as Reference factor, physical distance score and network
Apart from score as confactor, specific details are not described herein again.
In the present embodiment, the priority of user experience is different based on different application scenarios evaluation criterions, such as swims
Play scene, time delay is more demanding, then the priority of user experience determines that network distance gets over short time-delay by the priority of time delay
Smaller, User Priority is higher, otherwise network distance more long delay is bigger, and User Priority is lower, therefore network distance weight
It is higher；And video scene is for communication bandwidth, the more sensitivity such as data buffering speed, then the priority of user experience is by that can make
It is codetermined with stock number and physical distance, network distance weight is lower.
In the case where above two possibility, the specific standards based on above-mentioned priority are different, and the value of α and β are to become therewith
Change, in the case where more demanding for network distance in the case where the first is possible, α value increases, for communication bandwidth
In the case where more demanding, β value increases, and α and β can take 0 value, and in the case where the first is possible, α takes 0 value to be equivalent to can
Not consider network distance, β, which takes 0 value to be equivalent to, can not consider that stock number can be used.
Alternatively possible situation is: physical distance score, network distance score and usable stock number score are as same
Etc. the factors, be scheduled node device user experience priority scoring=network distance score * physical distance score * can be used money
Source measures point.
Alternatively possible situation is: physical distance score, network distance score and usable stock number score are as same
Etc. the factors, be scheduled node device user experience priority scoring=network distance score+physical distance score+can be used money
Source measures point.
More possible situations are not listed one by one herein, it is only necessary to assess comprehensive when the priority scoring of scheduled node device
Conjunction considers network distance, physical distance and usable stock number.
Node device selection method described in the application Fig. 5 and Fig. 6 can be applied to 4G scene, also can be applied to 5G scene
Under, based on the difference of institute's application scenarios, there are difference for the specific form of scheduled node device and scheduling node equipment, but just
Method embodiment step is consistent.
In the embodiment of the present application, it under 4G and 5G scene, in face of complicated network organizing environment, can be adjusted from multiple
It spends in node device and selects the scheduling node equipment of a highest priority for terminal user, terminal user is made to obtain best industry
Business experience can promote network viscosity.
In the following, being said from the angle of scheduled node device to the selection method of the application node device referring to Fig. 7
It is bright:
701, the node device that is scheduled receives the reporting parameters instruction that scheduling node equipment is sent；
The present embodiment step is similar with above-described embodiment step 501, and specific details are not described herein again.
It should be noted that the scheduled node device is that a scheduled node being scheduled in node device set is set
Standby, scheduled node device set includes at least one scheduled node device.
702, scheduled node device reports parameter to the scheduling node equipment.
The present embodiment step is similar with above-described embodiment step 502, and specific details are not described herein again.
It should be noted that the parameter determines processing terminal for scheduling node equipment from scheduled node device set
The scheduled node device of service request determines the mode and above-mentioned implementation of the scheduled node device of processing terminal service request
Example step 503 is similar, and specific details are not described herein again.
In the present embodiment, the priority scoring of the scheduled node device for reporting parameter in embodiment step 701
In highest situation, which is the scheduled node device for determining obtained processing terminal service request.
In the present embodiment, scheduled node device receives the physics that scheduled node device is reported after reporting parameters instruct
Distance, network distance and usable stock number give scheduling node equipment, so that scheduling node equipment determines processing terminal business
The scheduled node device of request, selects to be scheduled away from terminals physical distance relative to existing according only to scheduled node device
The scheme of node device, the selected scheduled node device processing customer service request user experience out of the application are more preferable.
Referring to Fig. 8, to the application scheduling node equipment, another possible structure is illustrated, which sets
The standby scheduling node equipment under CDN framework, corresponding with the central dispatching node in CDN framework, scheduling node equipment includes:
Transmission unit 801, for sending parameter to the scheduled node device of each of scheduled node device set
Report instruction, wherein scheduled node device set includes at least one scheduled node device；
Receiving unit 802, the parameter reported for receiving each scheduled node device, wherein parameter includes scheduled
Physical distance, network distance and the usable stock number of node device；
Determination unit 803, for determining processing terminal service request from scheduled node device set according to parameter
Scheduled node device.
Optionally, determination unit 803, specifically for the physical distance according to presetting rule to scheduled node device, net
Network distance and usable stock number are given a mark respectively；
The priority scoring of each scheduled node device is obtained according to marking result；
Determine that priority scores the service request of maximum scheduled node device processing terminal.
Optionally, determination unit 803 are specifically used for:
The mode of being calculated as follows obtains the preferential of the scheduled node device of any one in scheduled node device set
Grade scoring:
Priority scoring=physical distance score * [N1- α * (N2-network distance score)-β * of scheduled node device
(stock number score can be used in N3 -)], wherein the value range of α is that the value range of 0 to 1, β is 0 to 1, and the N1 is described
The score upper limit of physical distance, the N2 are the score upper limit of the network distance, and the N3 is the usable stock number
The score upper limit；
Above-mentioned steps are repeated, obtain the node device that is each scheduled in scheduled node device set until determining
Priority scoring.
Optionally, physical distance is distance of the scheduled node device to terminal；
Or physical distance is the distance of scheduled node device to terminal institute access base station；
Or physical distance is obtained according to the tracking area code TAC of the accessed cell of terminal.
Optionally, network distance is that the service request of terminal is transmitted to the time delay of scheduled node device；
It is obtained or, formula is calculated as follows in network distance:
Time delay/terminal service request that the service request of terminal is transmitted to scheduled node device is transmitted to scheduled section
The intermediate equipment number that point device is passed through.
Optionally, the usable stock number of scheduled node device includes: centre workable for scheduled node device
Manage communications bandwidth resources amount workable for device CPU amount of computational resources, scheduled node device, workable for scheduled node device
Communication bandwidth workable for CPU amount of computational resources workable for storage resource amount, transmission link node and transmission link node
At least one of stock number, transmission link are terminal institute's access base station to the link between scheduled node device.
Referring to Fig. 9, disclosed herein as well is a kind of scheduled node device, the node device that is scheduled is under CDN framework
Scheduled node device, under CDN framework edge scheduling node or subdispatch node it is corresponding, scheduled node device packet
It includes:
Receiving unit 901, for receiving the reporting parameters instruction of scheduling node equipment transmission, be scheduled node device set
Including scheduled node device described at least one；
Transmission unit 902, for reporting parameter to scheduling node equipment, parameter is adjusted for scheduling node equipment from described
It spends in node device set and determines the scheduled node device of processing terminal service request, wherein the parameter includes scheduled
Physical distance, network distance and the usable stock number of node device.
Optionally, physical distance is distance of the scheduled node device to terminal；
Or physical distance is the distance of scheduled node device to terminal institute access base station；
Or physical distance is obtained according to the tracking area code TAC of the accessed cell of terminal.
Optionally, network distance is that the service request of terminal is transmitted to the time delay of scheduled node device；
It is obtained or, formula is calculated as follows in network distance:
Time delay/terminal service request that the service request of terminal is transmitted to scheduled node device is transmitted to scheduled section
The intermediate equipment number that point device is passed through.
Optionally, the usable stock number of scheduled node device includes: centre workable for scheduled node device
Manage communications bandwidth resources amount workable for device CPU amount of computational resources, scheduled node device, workable for scheduled node device
Communication bandwidth workable for CPU amount of computational resources workable for storage resource amount, transmission link node and transmission link node
At least one of stock number, transmission link are terminal institute's access base station to the link between scheduled node device.
It should be noted that the contents such as information exchange, implementation procedure between each module/unit of above-mentioned apparatus, due to
The application embodiment of the method is based on same design, and bring technical effect is identical as the application embodiment of the method, particular content
Reference can be made to the narration in embodiment of the method shown in the application is aforementioned, details are not described herein again.
In addition it should be noted that, the apparatus embodiments described above are merely exemplary, wherein described as separation
The unit of part description may or may not be physically separated, component shown as a unit can be or
It can not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Border needs to select some or all of the modules therein to achieve the purpose of the solution of this embodiment.In addition, provided by the present application
In Installation practice attached drawing, the connection relationship between module indicates there is communication connection between them, specifically can be implemented as one
Item or a plurality of communication bus or signal wire.
Through the above description of the embodiments, it is apparent to those skilled in the art that the application can borrow
Help software that the mode of required common hardware is added to realize, naturally it is also possible to by specialized hardware include specific integrated circuit, specially
It is realized with CPU, private memory, special components and parts etc..Under normal circumstances, all functions of being completed by computer program are ok
It is easily realized with corresponding hardware, moreover, being used to realize that the specific hardware structure of same function is also possible to a variety of more
Sample, such as analog circuit, digital circuit or special circuit etc..But software program is real in more situations for purposes of this application
It is now more preferably embodiment.Based on this understanding, the technical solution of the application substantially in other words makes the prior art
The part of contribution can be embodied in the form of software products, which is stored in the storage medium that can be read
In, such as the floppy disk of computer, USB flash disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory
Device (random access memory, RAM), magnetic or disk etc., including some instructions are with so that a computer is set
Standby (can be personal computer or server etc.) executes method described in each embodiment of the application.
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.Load and execute on computers the meter
When calculation machine program instruction, entirely or partly generate according to process or function described in the embodiment of the present application.The computer can
To be general purpose computer, special purpose computer, computer network or other programmable devices.The computer instruction can be deposited
Storage in a computer-readable storage medium, or from a computer readable storage medium to another computer readable storage medium
Transmission, for example, the computer instruction can pass through wired (example from a web-site, computer, server or data center
Such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave) mode to another website
Website, computer, server or data center are transmitted.The computer readable storage medium can be computer and can deposit
Any usable medium of storage either includes that the data storages such as one or more usable mediums integrated server, data center are set
It is standby.The usable medium can be magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or partly lead
Body medium (such as solid state hard disk Solid State Disk (SSD)) etc..
Claims (26)
1. a kind of selection method of node device, which is characterized in that the method is based on content distributing network CDN framework, described
Method includes:
Scheduling node equipment sends reporting parameters instruction to the scheduled node device of each of scheduled node device set,
In, the scheduled node device set includes at least one scheduled node device；
The scheduling node equipment receives the parameter that each scheduled node device reports, wherein the parameter includes institute
State physical distance, network distance and the usable stock number of scheduled node device；
The scheduling node equipment determines processing terminal service request according to the parameter from scheduled node device set
Scheduled node device.
2. the method according to claim 1, wherein the scheduling node equipment is according to the parameter from scheduled
The scheduled node device of determining processing terminal service request includes: in node device set
The scheduling node equipment is according to presetting rule to the physical distance of the scheduled node device, network distance and can
It is given a mark respectively using stock number；
The scheduling node equipment scores according to the priority that marking result obtains each scheduled node device；
The scheduling node equipment determines that the priority maximum scheduled node device that scores handles the business of the terminal
Request.
3. the method according to requiring 2, which is characterized in that the scheduling node equipment obtains described each according to marking result
The priority of scheduled node device, which scores, includes:
The scheduling node equipment is calculated as follows mode and obtains the scheduled section of any one in scheduled node device set
The priority of point device scores:
The priority scoring of the scheduled node device=[(N2-network distance obtains N1- α * the physical distance score *
Point)-β * (N3-usable stock number score)], wherein the value range of the α is 0 to 1, and the value range of the β is
0 to 1, the N1 are the score upper limit of the physical distance, and the N2 is the score upper limit of the network distance, and the N3 is institute
State the score upper limit of usable stock number；
Above-mentioned steps are repeated, until scheduling node equipment determination obtains described in the scheduled node device set
The priority scoring of each scheduled node device.
4. according to the method in any one of claims 1 to 3, which is characterized in that the physical distance is described scheduled
Distance of the node device to the terminal；
Or the physical distance is the scheduled node device to the distance of terminal institute access base station；
Or the physical distance is obtained according to the tracking area code TAC of the accessed cell of the terminal.
5. according to the method in any one of claims 1 to 3, which is characterized in that the network distance is the terminal
Service request is transmitted to the time delay of the scheduled node device；
It is obtained or, formula is calculated as follows in the network distance:
Time delay/terminal service request that the service request of the terminal is transmitted to the scheduled node device is transmitted to
The intermediate equipment number that the scheduled node device is passed through.
6. according to the method in any one of claims 1 to 3, which is characterized in that the scheduled node device makes
It include: central processor CPU amount of computational resources workable for the scheduled node device, the scheduled node with stock number
Communications bandwidth resources amount workable for equipment, storage resource amount, transmission link node workable for the scheduled node device
At least one of communications bandwidth resources amount workable for workable CPU amount of computational resources and transmission link node, it is described
Transmission link is terminal institute's access base station to the link between the scheduled node device.
7. method according to any one of claim 1 to 6, which is characterized in that the scheduling node equipment is centralization
Gateway CGW equipment or conversation management functional SMF entity；
When the scheduling node equipment be the CGW equipment when, the scheduled node device be distributed network gate DGW equipment or
Remote gateways RGW equipment；
When the scheduling node equipment is the SMF entity, the scheduled node device is user plane functions UPF entity.
8. a kind of selection method of node device, which is characterized in that the method is based on content distributing network CDN framework, described
Method includes:
Scheduled node device receives the reporting parameters instruction that scheduling node equipment is sent, and the node device set that is scheduled includes extremely
A few scheduled node device；
The scheduled node device reports parameter to the scheduling node equipment, and the parameter is used for the scheduling node equipment
The scheduled node device of processing terminal service request is determined from the scheduled node device set, wherein the parameter
Physical distance, network distance and usable stock number including the scheduled node device.
9. according to the method described in claim 8, it is characterized in that, the physical distance is the scheduled node device to institute
State the distance of terminal；
Or the physical distance is the scheduled node device to the distance of terminal institute access base station；
Or the physical distance is obtained according to the tracking area code TAC of the accessed cell of the terminal.
10. method according to claim 8 or claim 9, which is characterized in that the network distance is the service request of the terminal
It is transmitted to the time delay of the scheduled node device；
It is obtained or, formula is calculated as follows in the network distance:
Time delay/terminal service request that the service request of the terminal is transmitted to the scheduled node device is transmitted to
The intermediate equipment number that the scheduled node device is passed through.
11. method according to claim 8 or claim 9, which is characterized in that the usable stock number of the scheduled node device
It include: that central processor CPU amount of computational resources workable for the scheduled node device, the scheduled node device can make
Workable for storage resource amount, transmission link node workable for communications bandwidth resources amount, the scheduled node device
At least one of communications bandwidth resources amount workable for CPU amount of computational resources and transmission link node, the transmission link
For terminal institute's access base station to the link between the scheduled node device.
12. method according to claim 8 or claim 9, which is characterized in that the scheduling node equipment is centralized gateway CGW
Equipment or conversation management functional SMF entity；
When the scheduling node equipment be the CGW equipment when, the scheduled node device be distributed network gate DGW equipment or
Remote gateways RGW equipment；
When the scheduling node equipment is the SMF entity, the scheduled node device is user plane functions UPF entity.
13. a kind of scheduling node equipment, which is characterized in that the scheduling node equipment is under content distributing network CDN framework
Scheduling node equipment, the scheduling node equipment include:
Transmission unit, for sending reporting parameters instruction to the scheduled node device of each of scheduled node device set,
Wherein, the scheduled node device set includes at least one scheduled node device；
Receiving unit, the parameter reported for receiving each scheduled node device, wherein the parameter includes the quilt
Physical distance, network distance and the usable stock number of scheduling node equipment；
Determination unit, for determining being adjusted for processing terminal service request from scheduled node device set according to the parameter
Spend node device.
14. scheduling node equipment according to claim 13, which is characterized in that the determination unit, be specifically used for according to
Presetting rule gives a mark respectively to the physical distance of the scheduled node device, network distance and usable stock number；
The priority scoring of each scheduled node device is obtained according to marking result；
Determine that the priority maximum scheduled node device that scores handles the service request of the terminal.
15. scheduling node equipment according to claim 14, which is characterized in that the determination unit is specifically used for
The priority that the mode of being calculated as follows obtains the scheduled node device of any one in scheduled node device set is commented
Point:
The priority scoring of the scheduled node device=[(N2-network distance obtains N1- α * the physical distance score *
Point)-β * (N3-usable stock number score)], wherein the value range of the α is [0,1], the value range of the β
For [0,1], the N1 is the score upper limit of the physical distance, and the N2 is the score upper limit of the network distance, the N3
For the score upper limit of the usable stock number；
Above-mentioned steps are repeated, until determining that the node that obtains each being scheduled described in the scheduled node device set is set
Standby priority scoring.
16. scheduling node equipment described in any one of 3 to 16 according to claim 1, which is characterized in that the physical distance is
Distance of the scheduled node device to the terminal；
Or the physical distance is the scheduled node device to the distance of terminal institute access base station；
Or the physical distance is obtained according to the tracking area code TAC of the accessed cell of the terminal.
17. scheduling node equipment described in any one of 3 to 16 according to claim 1, which is characterized in that the network distance is
The service request of the terminal is transmitted to the time delay of the scheduled node device；
It is obtained or, formula is calculated as follows in the network distance:
Time delay/terminal service request that the service request of the terminal is transmitted to the scheduled node device is transmitted to
The intermediate equipment number that the scheduled node device is passed through.
18. scheduling node equipment described in any one of 3 to 16 according to claim 1, which is characterized in that the scheduled node
The usable stock number of equipment includes: central processor CPU amount of computational resources workable for the scheduled node device, described
Storage resource amount workable for communications bandwidth resources amount, the scheduled node device workable for scheduled node device passes
In communications bandwidth resources amount workable for CPU amount of computational resources and transmission link node workable for transmission link node at least
One, the transmission link is terminal institute's access base station to the link between the scheduled node device.
19. a kind of scheduled node device, which is characterized in that the scheduled node device is content distributing network CDN framework
Under scheduled node device, the scheduled node device includes:
Receiving unit, for receiving the reporting parameters instruction of scheduling node equipment transmission, the node device set that is scheduled includes extremely
A few scheduled node device；
Transmission unit, for reporting parameter to the scheduling node equipment, the parameter is used for the scheduling node equipment from institute
State the scheduled node device that processing terminal service request is determined in scheduled node device set, wherein the parameter includes
Physical distance, network distance and the usable stock number of the scheduled node device.
20. scheduled node device according to claim 19, which is characterized in that the physical distance is described scheduled
Distance of the node device to the terminal；
Or the physical distance is the scheduled node device to the distance of terminal institute access base station；
Or the physical distance is obtained according to the tracking area code TAC of the accessed cell of the terminal.
21. scheduled node device described in 9 or 20 according to claim 1, which is characterized in that the network distance is the end
The service request at end is transmitted to the time delay of the scheduled node device；
It is obtained or, formula is calculated as follows in the network distance:
Time delay/terminal service request that the service request of the terminal is transmitted to the scheduled node device is transmitted to
The intermediate equipment number that the scheduled node device is passed through.
22. the scheduled node device according to claim 20 or 21, which is characterized in that the scheduled node device
Usable stock number includes: central processor CPU amount of computational resources workable for the scheduled node device, described scheduled
Communications bandwidth resources amount workable for node device, storage resource amount, transmission link workable for the scheduled node device
At least one of communications bandwidth resources amount workable for CPU amount of computational resources and transmission link node workable for node,
The transmission link is terminal institute's access base station to the link between the scheduled node device.
23. a kind of scheduling node equipment, which is characterized in that the scheduling node equipment is under content distributing network CDN framework
Scheduling node equipment, the scheduling node equipment include:
Memory, transceiver, processor and bus system；
Wherein, the memory is for storing program and instruction；
The transceiver is for receiving or sending information under the control of the processor；
The processor is used to execute the program in the memory；
The bus system is for connecting the memory, the transceiver and the processor, so that the memory, institute
It states transceiver and the processor is communicated；
Wherein, the processor is used to call the program instruction in the memory, executes such as any one of claims 1 to 7
The method.
24. a kind of scheduled node device, which is characterized in that the scheduled node device is content distributing network CDN framework
Under scheduled node device, the scheduled node device includes:
Memory, transceiver, processor and bus system；
Wherein, the memory is for storing program and instruction；
The transceiver is for receiving or sending information under the control of the processor；
The processor is used to execute the program in the memory；
The bus system is for connecting the memory, the transceiver and the processor, so that the memory, institute
It states transceiver and the processor is communicated；
Wherein, the processor is used to call the program instruction in the memory, executes such as any one of claim 8 to 12
The method.
25. a kind of computer installation, which is characterized in that the computer installation includes processor, and the processor is for executing
It is realized when the computer program stored in memory such as the step of any one of claim 1-12 the method.
26. a kind of computer readable storage medium, is stored thereon with computer program, it is characterised in that: the computer program
It is realized when being executed by processor such as the step of any one of claim 1-12 the method.
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Also Published As
| Publication number | Publication date |
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| CN109802997B (en) | 2021-02-09 |
| WO2020125539A1 (en) | 2020-06-25 |
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