CN106815259A - Mobile caching service control method, device and system - Google Patents
Mobile caching service control method, device and system Download PDFInfo
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- CN106815259A CN106815259A CN201510867961.7A CN201510867961A CN106815259A CN 106815259 A CN106815259 A CN 106815259A CN 201510867961 A CN201510867961 A CN 201510867961A CN 106815259 A CN106815259 A CN 106815259A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24552—Database cache management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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Abstract
The present invention discloses a kind of mobile caching service control method, device and system, is related to moving communicating field, wherein, the method includes：Strategy execution network elements are receiving the DNS request of user terminal, judge whether user authorizes and open mobile caching business；If user authorizes and opened mobile caching business, according to the DSCP values in mobile caching business rule modification user's DNS request that PCRF is issued, and the DNS request changed after DSCP values is sent to dns server；Strategy execution network elements obtain mobile caching address of service server from dns server, and mobile caching address of service server is sent into user terminal so that user terminal accesses Web server by mobile caching service server.Method disclosed by the invention, device and system, do not influence existing network and change it is less on the basis of, fully excavate existing field ability, closing cache business is opened in real time, flexibly realize mobile caching dispatch.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of mobile caching service control method, device
And system.
Background technology
Current International website and apple APP shop applications download effect are poor, are added by disposing caching
Speed system can strengthen Consumer's Experience；With the development of mobile Internet, Mobile Online's video traffic will
Fast development, the experience influence of the interim card of video traffic on user is very big, the effect that buffered video accelerates
Fruit will highlight significantly.
The buffering scheme major deployments of current comparative maturity mainly have PBR (tactful roads in broadband networks
By Policy Based Routing) route guiding, HTTP (HTTP,
HyperText Transfer Protocol) redirect, DNS forwarding scheme, but in mobile network
Each producer in field is currently slow in order to be realized in mobile network without deployment scheme that is more ripe, can runing
Deposit system is disposed, general to route boot scheme and DNS forwarding schemes using PBR.PBR routes are drawn
Leading scheme needs to export external separate system in PGW (PDN Gateway, PDN GateWay),
For realizing route forwarding function, by the url that parses 3 layers or 7 layers by corresponding access request
Cache platform is forwarded directly to, backward operation is realized；If to operation before realizing, because shunting
Gateway clear data face can only identifying user IP address, want cache user and non-caching to distinguish
User carries out that IP is counter to look into user profile, it is necessary to increase privately owned interface newly with PCRF.Program Business Stream
Journey is complicated, and 4G customer flows are huge, and then shunting gateway is inquired about user's message extraction source IP
Mechanism will have a strong impact on the forwarding of packet, PCRF Real-Time Improvements increase newly interface, policy control and
Scheduling combine in completely shunting net pass, this close coupled system to fault location and service security compared with
Difference.
DNS forwardings scheme needs to redeploy a PGW and distributes special public network address,
After user orders cache business, from the PGW that network side redirects the user to special, the party
Case needs to increase equipment investment, and user needs go up again and offline just comes into force, it is impossible to real-time open-minded；
The scheduling feature of many cache platforms is weak, autgmentability is poor, need to increase PGW newly again.
Therefore, it is necessary to propose a kind of mobile caching service control method to solve to deposit in the prior art
Above-mentioned technical problem.
The content of the invention
How real on the basis of the network equipment is not increased the disclosure technical problem to be solved is
The mobile caching business control that show a kind of strong scheduling feature, favorable expandability, can be in real time opened or closed
Method processed.
The disclosure provides a kind of mobile caching service control method, including：Strategy execution network elements are connecing
The domain name system DNS request of user terminal is received, is judged whether user authorizes and is opened mobile caching
Business；If user authorizes and opened mobile caching business, according to strategy and charging regulation network element
DSCP values in mobile caching business rule modification user's DNS request that PCRF is issued, and
The DNS request changed after DSCP values is sent to dns server, so as to dns server
Mobile caching address of service server is returned to terminal according to DSCP values so that the terminal passes through
The mobile caching service server that the mobile caching address of service server is pointed to accesses interconnection
Net..
Further, strategy execution network elements are asked in the domain name system DNS for receiving user terminal
Include before：According to the video frequency data quality information that user terminal feeds back, whether user terminal is judged
Generation video cardton；If user terminal occurs video cardton, shifting is sent in the way of paging frame
Dynamic cache business set meal is reminded to user terminal；If user orders mobile caching business, client
The mobile caching service order message of user is sent to PCRF by relation management CRM network elements.
Further, manageming contacts CRM network element disappears the mobile caching service order of user
Breath includes after being sent to PCRF：PCRF is ordered according to user in mobile caching service order message
The mobile caching traffic type information of purchase, determines the mobile caching business rule of user and mobile will delay
Deposit business rule and be sent to strategy execution network elements；Strategy execution network elements receive the user that PCRF sends
Mobile caching business rule；If receiving the DNS request of user, according to mobile caching industry
DSCP values in business rules modification user's DNS request.
Further, if the mobile caching business for receiving the transmission of CRM network elements cancels message
Afterwards, the mobile caching business rule of PCRF generations user deletes information and sending and gives strategy execution net
Unit, strategy execution network elements delete the mobile caching business rule of user.
Further, dns server is previously according to file type or area configuration mobile caching business
The corresponding relation of server address and DSCP values, wherein, mobile caching service server includes slow
Deposit web, app small documents caching system and buffered video, download content big file cache
System.
Further, if PCRF receive outside CRM network elements send customer service it is open-minded
Instruction, carries out business identification；If service fulfillment instruction is mobile caching service order message,
PCRF records the mobile caching business rule of user；And send user's movement to strategy execution network elements
Cache business rule.
The present invention also provides a kind of mobile caching business control device, including：Judge module, is used for
After the domain name system DNS for receiving user terminal is asked, judge whether user authorizes and open shifting
Dynamic cache business；Mobile caching business execution module, if authorize having opened mobile delaying for user
Business is deposited, according to the mobile caching business rule modification that strategy is issued with charging regulation network element PCRF
DSCP values in user's DNS request, and the DNS request changed after DSCP values is sent to
Dns server, so that dns server returns to mobile caching service server according to DSCP values
Address is to terminal so that the shifting that the terminal is pointed to by the mobile caching address of service server
Dynamic cache business server access internet.
Further, the device also includes receiver module, for receiving the user's that PCRF sends
Mobile caching business rule, wherein, if user orders mobile caching business, PCRF receives visitor
The mobile caching service order message that family relation management CRM network elements send, according to mobile caching industry
The traffic type information that user orders in business order message determines the mobile caching business rule of user simultaneously
Mobile caching business rule is sent to mobile caching business control device.
Further, the device also includes removing module, if received for receiver module
The mobile caching business rule that PCRF sends deletes message, deletes the mobile caching business rule of user
Then.
The present invention also provides a kind of mobile caching service control system, including：Strategy execution network elements,
Strategy and charging regulation network element PCRF, dns server, mobile caching service server；Its
In, strategy execution network elements include mobile caching business control device described above.
Further, Network Quality Analysis system is used for the video data matter fed back according to user terminal
Amount information, judges whether user terminal occurs video cardton.
Further, the system also includes manageming contacts CRM network element, if for user
There is video cardton in terminal, send mobile caching service package and remind to user terminal；If user
Mobile caching business is ordered, then the mobile caching service order message of user is sent to PCRF.
Further, PCRF is used to send mobile caching according to manageming contacts CRM network element
The mobile caching traffic type information that user orders in service order message, determines that the movement of user is delayed
Deposit business rule and mobile caching business rule is sent to strategy execution network elements；Strategy execution network elements
Mobile caching business rule for receiving the user of PCRF transmissions；If receiving user's
DNS request, the DSCP values in user's DNS request are changed according to mobile caching business rule.
Further, if the business that PCRF is used to receive the transmission of CRM network elements cancels message
Afterwards, the mobile caching business rule for sending user deletes message to strategy execution network elements；Strategy execution
Network element is used to delete the mobile caching business rule of user.
Further, dns server is used for previously according to file type or area configuration mobile caching
The corresponding relation of address of service server and DSCP values, wherein, mobile caching service server bag
Include small documents caching system and buffered video, the big file of download content for caching web, app
Caching system.
Further, if PCRF is used to receive the customer service that the CRM network elements of outside send
Provisioning instruction, carries out business and judges identification；If service fulfillment instruction is mobile caching service order
Message, records the mobile caching business rule of user；And send user's movement to strategy execution network elements
Cache business rule.
Mobile caching service control method, device and system that the disclosure is provided, are receiving
After DNS request, entered to the mobile caching control strategy that strategy execution network elements send by PCRF
Row mobile caching Service control, do not influence existing network and change it is less on the basis of, fully excavate existing
Some field abilities, the DSCP values changed in the up DNS request message of user are changeable
To different cache platforms, realize that the mode of buffer scheduling is flexible, it is not necessary to which newly added equipment is also not required to
Increase public network address pond newly, can in real time open closing business.
Brief description of the drawings
Fig. 1 shows the flow chart of the mobile caching service control method of one embodiment of the invention.
Fig. 2 shows the schematic diagram of the DSCP values of one embodiment of the invention.
Fig. 3 shows the flow chart of the mobile caching service control method of another embodiment of the present invention.
Fig. 4 shows the flow chart of the mobile caching service control method of another embodiment of the invention.
Fig. 5 show another embodiment of the present invention based on mobile caching service control system framework
The schematic diagram of control method.
Fig. 6 is shown in the mobile caching service control method of another embodiment of the present invention according to DNS
According to the schematic diagram that DSCP values are scheduled.
Fig. 7 shows the structured flowchart of the mobile caching business control device of one embodiment of the invention.
Fig. 8 shows the structured flowchart of the mobile caching service control system of one embodiment of the invention.
Specific embodiment
The present invention is described more fully with reference to the accompanying drawings, wherein illustrating example of the invention
Property embodiment.
Fig. 1 shows the flow chart of the mobile caching service control method of one embodiment of the invention.Such as
Shown in Fig. 1, the method mainly includes：
Step 100, strategy execution network elements receive the DNS of user terminal (domain name system,
Domain Name System) request, judge whether user authorizes and open mobile caching business.
Step 102, if user authorizes has opened mobile caching business, according to PCRF (strategies
With charging rule functions unit, Policy and Charging Rules Function) issue it is pre-
Definition strategy modification user's DNS request in DSCP (differentiated services code points,
Differentiated Services Code Point) value, and the DNS after DSCP values will be changed
Request is sent to dns server, so that dns server returns to mobile caching according to DSCP values
Address of service server.
Specifically, PCRF is realized and IT system such as web site, and user terminal intercommunication,
User is sent to PCRF in time after ordering all types of cache business, and PCRF exploitations are corresponding slow
Deposit policy management capability, the type of service that record user orders and the mobile caching business to be issued rule
Then；And mobile caching business rule is sent to PGW (PDN Gateway, PDN
GateWay), PGW receive it is corresponding strategy after, to the up DNS request message of user
Modification DSCP values, dns server checks dscp field, according to specific DSCP values,
Different cache platforms are forwarded to realize flexible dispatching.
Fig. 2 shows the schematic diagram of the DSCP values of one embodiment of the invention, as shown in Fig. 2
The embodiment of the present invention make use of the TOS words of the 8bits in the IP data packet heads of IRFC2474
Section, is DSCP values and compatible with TOS fields defined in RFC specifications thereafter；LTE cores
There is no requirement to use dscp field in heart wet end administration specification, all values are defaulted as 0；In we
Caching server address can be identified using the unused bit of 0-8 in case, not influence existing network
And on the basis of change is less, fully excavate existing field ability to realize the mobile caching of user
The change of business.
Step 104, terminal obtains mobile caching address of service server from dns server, passes through
The mobile caching service server that the mobile caching address of service server is pointed to accesses Web service
Device.
Table 1 shows that the DSCP values of one embodiment of the invention are corresponding with mobile caching platform and closes
System.Dns server is (slow previously according to file type or area configuration mobile caching service server
Deposit platform) corresponding relation of address and DSCP values, wherein, mobile caching service server includes
The small documents caching system and buffered video that cache web, app, the big file for downloading content delay
Deposit system, so, can greatly save the flow of backbone network.
Table 1
The mobile caching service control method that the above embodiment of the present invention is provided, if receiving user
DNS request, strategy execution network elements such as PGW is according to the caching plan received from PCRF
Slightly, it is to switch to different delaying to change the DSCP values in the up DNS request message of user
Deposit platform and realize flexible dispatching；Do not need newly added equipment, it is not necessary to newly-increased public network address pond, can be with
Open closing business in real time.
In one embodiment, network side accesses row by Network Quality Analysis network analysis user
To judge whether user terminal occurs video cardton；If there is video cardton, hair in user terminal
Mobile caching service package is sent to remind to user terminal；If user orders mobile caching business,
CRM (customer relation management, Client Relationship Management) network elements are by user
Mobile caching service order message be sent to PCRF.
In one embodiment, PCRF is ordered according to user in mobile caching service order message
Mobile caching traffic type information, determines the mobile caching business rule of user and by mobile caching industry
Business rule is sent to strategy execution network elements；Strategy execution network elements receive the shifting of the user that PCRF sends
Dynamic cache business rule；If receiving the DNS request of user, advised according to mobile caching business
Then change the DSCP values in user's DNS request.
In one embodiment, user quit the subscription of and close user mobile caching business rule process
Can be：If the mobile caching business that PCRF receives the transmission of CRM network elements cancels message
Afterwards, the mobile caching business rule of PCRF generations user deletes information and sending and gives strategy execution net
Unit, strategy execution network elements delete the mobile caching business rule of user.
In one embodiment, if PCRF receives user's industry that the CRM network elements of outside send
Business provisioning instruction, carries out business identification；If service fulfillment instruction is that mobile caching service order disappears
Breath, PCRF records the mobile caching business rule of user；And send user to strategy execution network elements
Mobile caching business rule.
In the prior art, it is necessary to dispose special address on broadband BRAS, core net PGW
Behind pond, and user's order business the special IP ground of new cache business is obtained, it is necessary to reach the standard grade again
Location, user perceives bad.PCC frameworks by transforming EPC of the invention, are preserved by PCRF
The data such as the service contracting of user, issue predefined rule for mobile caching business to
PGW, the modification of the DSCP values of User DN S request messages is performed by PGW, is realized not
Need to change the function that mobile caching business was opened and closed to IP address in real time, real-time is high, section
IP address and equipment in the capacity expansion resource are saved, the scheduling of mobile caching platform is more flexible, mobile caching industry
Business can in real time open closing, and networking is simple, is conducive to fault location and service security, separately
Outward, this programme can be used or is applied under IPv6 environment under IPv4 environment, can be applicable
In LTE network, UMTS network and future 5G networks.
Fig. 3 shows the flow chart of the mobile caching service control method of one embodiment of the invention, such as
Shown in Fig. 3, the method includes：
Step 301, user normally accesses website, is now carried out between UE31 and Web server
Normal HTTP access requests.
There is interim card in step 302, user, network side finds that video quality declines as watched video,
Ejection mobile caching service package is reminded, and after the real-time order business of user, CRM is by mobile caching
Service fulfillment instruction is delivered to PCRF34.
Step 303, PCRF34 records the signing attribute of user, and triggering authentication attribute updates and disappears
Breath.
Step 304, PCRF34 real-time updates record user's signing state, and according to the industry ordered
Service type, finds the DSCP values to be changed of the PGW of corresponding definition, and disappear by RAR
Breath issues corresponding predefined strategy to strategy execution network elements at once.
Specifically, strategy execution network elements can be including the network element such as PGW and PCEF.Wherein,
PGW is the title of physical NE, is in the lte networks the egress gateways of mobile core network；
PCEF is that strategy execution body is that 3GPP organizes the logical name and PCRF policy development persons for defining
Correspondence, PCEF is exactly in the lte networks PGW.
Step 305, it is true that strategy execution network elements PGW/PCEF 33 returns to RAA to PCRF 34
Recognize message.
Step 306, strategy execution network elements PGW/PCEF 33 receives the DNS request of UE.
Step 307, strategy execution network elements DNS request is user's according to predefined policing rule
Up DNS messages change DSCP values.
Step 308, dns server is sent to by the DNS request for changing DSCP values.
After step 309,310, DNS receive the request of mobile network users, check that DSCP values are right
Specific value performs corresponding strategy, different cache platform addresses is forwarded requests to, by caching
System analysis return to the DNS responses of its own address.
Step 311, if the mobile caching service server that DSCP values are pointed to is caching system
2, and caching system 2 returns to confirmation response, then perform step 312.
Step 312, dns server sends DNS RESPONSE message, carries buffer service
Device address, guides customer flow.
Step 313, user accesses http network resource by caching system 37.
Step 314, caching system 37 obtains Internet resources from Web server 38.
Fig. 4 shows the flow chart of the mobile caching service control method of another embodiment of the invention,
As shown in figure 4, the method includes：
Step 401, user orders mobile caching business, and PCRF 42 receives outside CRM's 43
Service fulfillment is instructed.
Specifically, outside CRM 43 can be the service system of telecommunications, and user needs open-minded
Business will be accepted in business hall by BSS, and IT system needs support to accept cache business, open-minded
The instruction of service handling is converted into the interface instruction of PCRF afterwards, such PCRF could send
User's signing cache policy.
Step 402, PCRF 42 judges signing service type attribute, preserves newly-increased signing service
Attribute.
Step 403, judges whether user is online, online to determine to issue mobile caching strategy.
Step 404, predefined mobile caching is issued by the RAR message of Diameter
Business rule.
Step 405, PCEF PGW 41 perform the corresponding mobile caching business rule of user, it is right
The DNS messages of user perform DSCP modifications.
Step 406, PCEF PGW 41 return business confirmation message.
In one embodiment, user can in real time close mobile caching business, reference picture 4, tool
The step of body, includes：
Step 407, receives the request for quitting the subscription of business of the user of the transmissions of CRM 43.
Step 408, deletes user contracting data, and online lower transmission RAR message cancels industry in real time
Business.
Step 409, the information that will cancel business by the RAR message of Diameter sends
To PCEF PGW 41.
Step 410, PCEF PGW 41 cancel the modification operation of User DN S messages.
Step 411, PCEF PGW 41 by RAA to PCRF 42 return cancel user
The confirmation of DNS messages modification operation.
It is relative with broadband networks in the prior art and mobile network environment under, the scheme forwarded using DNS
Realize the mobile caching service operation of user class, it is necessary to obtain in user's order business and reaching the standard grade again
After taking new special buffer address pond, the shortcoming of cache business could be used；The above-mentioned reality of the present invention
The mobile caching control strategy of example is applied, under LTE network environment, mobile caching business can be real
Shi Kaitong is closed；Mobile caching service is ordered to user before can realizing, user is improved and is accessed net
Stand, download APP applications, Online Video result of broadcast etc.；DNS systems are made to support according to source ground
Location and DSCP values make requests on treatment, realize the flexible dispatching of cache business flow.
Fig. 5 show another embodiment of the present invention based on mobile caching service control system framework
The flow chart of control method, as shown in figure 5, the method includes：
Step 501, user opens mobile caching service by IT system, and will open information hair
Give PCRF 54.
Step 502, PCRF 54 issues the authorization message of user at once, and the authorization message is user
Can be by predetermined mobile caching server access Web server 57.
Step 503, after PGW 53 receives the instruction of the UE 51 of the forwardings of eNB 52, according to
Predetermined mobile caching strategy, the DNS request message to user changes DSCP values.
Step 504, dns server 55 returns to different movements and delays according to different DSCP values
Deposit server address
Step 505, user accesses Web by the mobile caching server 56 that DSCP values are specified
Server 57.
The mobile caching service control method of the above embodiment of the present invention, by existing Business Stream
Journey is modified, and when user orders mobile caching business, the IT system instruction that will open an account first is sent to
PCRF；PCRF needs to carry out transformation this kind of type of service of support, and for user preserves this business
CAMEL-Subscription-Information and corresponding predefined rule group；PGW is defined in predefined rule group to user
Up DNS messages are modified treatment.
Fig. 6 is shown in the mobile caching service control method of another embodiment of the present invention according to DNS
According to the schematic diagram that DSCP values are scheduled, as shown in fig. 6, the method includes：By transformation
Dns server forwards DNS request to difference to support to recognize DSCP values according to DSCP values
Platform, can open mobile caching business in real time without user's change IP address.Separately
Outward, can be according to the file type caching server different with caching regional classification, due to size text
Requirement of the caching of part to hardware and software is all different, in order to preferably realize buffer service, it is necessary to
Web cachings and video are downloaded into this big file cache to separate；Can be accomplished by DSCP values
The cache business control of user class；Accelerate business as user only have subscribed video cache, under PCRF
Require that this is PGW by the DNS request message DSCP values of user in the predefined strategy of hair
000001, so that DNS request is forwarded to big file cache system, the WEB of user is accessed
Url not in big file cache system white list, caching system transparent forwarding；Or user is such as
Fruit is Nanjing user, then it is 000011 to change DSCP values, is the user by Nanjing cache node
Service.
Can only be full dose caching or based on being closed with CP/SP relative to existing caching deployment scheme
The backward operation mode made, the scheme of the above embodiment of the present invention can be realized based on preceding to operation
Mobile caching business, realizes the differentiated service of user class；And the present invention utilizes existing network system
PCRF, PGW, DNS system are realized by Software adapting, it is not necessary to newly-increased network element, business
Deployment scheme flexible expansion is good, and does not interfere with existing network operation flow；4G can not only be solved
Mobile caching business in LTE network is open-minded in real time, and the program is equally applicable to deploy PCRF
The 3G network such as CDMA, WCDMA, TD-SCDMA.
Fig. 7 shows the structured flowchart of the mobile caching business control device of one embodiment of the invention,
As shown in fig. 7, the device 700 includes：Judge module 701, for receiving user terminal
Domain name system DNS request after, judge whether user authorizes and open mobile caching business；It is mobile
Cache business performing module 702, if authorize having opened mobile caching business for user, according to
In the predefined strategy modification user DNS request that strategy is issued with charging regulation network element PCRF
DSCP values, and the DNS request changed after DSCP values is sent to dns server, so as to
Dns server returns to mobile caching address of service server to terminal according to DSCP values so that
The mobile caching service server that the terminal is pointed to by the mobile caching address of service server
Access internet.
In one embodiment, the device also includes receiver module 704, for receiving PCRF hairs
The mobile caching business rule of the user for sending, wherein, if user orders mobile caching business,
PCRF receives the mobile caching service order message that CRM network elements send, according to mobile caching industry
The traffic type information that user orders in business order message determines the mobile caching business rule of user simultaneously
Mobile caching business rule is sent to mobile caching business control device.
In one embodiment, the device also includes removing module 705, if for receiver module
The mobile caching business rule for receiving PCRF transmissions deletes message, deletes the mobile caching of user
Business rule.
Fig. 8 shows the structured flowchart of the mobile caching service control system of one embodiment of the invention,
As shown in figure 8, the system 800 includes：Strategy execution network elements 801, strategy and charging regulation net
First PCRF802, dns server 803, mobile caching service server 804, Web service
Device 805；Wherein, strategy execution network elements mobile caching business control device described above.
In one embodiment, Network Quality Analysis network element 807 is used for what is fed back according to user terminal
Video frequency data quality information, judges whether user terminal occurs video cardton.
Network Quality Analysis network element 807 is under the jurisdiction of communication network quality analysis system, can pass through
DPI (deep message parsing) has found whether user side occurs interim card.As found, user accesses website
Time delay is very big, and speed is waited, it is necessary to by the Network Quality Analysis system of telecommunications slowly very much.
In one embodiment, CRM network elements 806, if there is video card for user terminal
, mobile caching service package is sent in the way of paging frame and is reminded to user terminal；If with
Mobile caching business is ordered at family, then the mobile caching service order message of the user is sent into institute
State PCRF.
In one embodiment, PCRF 802 is used to send mobile slow according to CRM network elements 806
The mobile caching traffic type information of user's order in service order message is deposited, the movement of user is determined
Mobile caching business rule is simultaneously sent to strategy execution network elements 801 by cache business rule.
In one embodiment, strategy execution network elements 801 are used to receive the use of the transmissions of PCRF 802
The mobile caching business rule at family；If the DNS request of user is received, according to mobile caching
DSCP values in business rule modification user's DNS request.
In one embodiment, if PCRF 802 sends for receiving CRM network elements 806
Business cancel message after, send user mobile caching business rule delete message to strategy execution
Network element；Strategy execution network elements 801 are used to delete the mobile caching business rule of user.
In one embodiment, dns server 803 is used to match somebody with somebody previously according to file type or area
The corresponding relation of mobile caching address of service server and DSCP values is put, wherein, mobile caching industry
Business server 804 include caching web, app small documents caching system and buffered video, under
Carry the big file cache system of content.
In one embodiment, if PCRF 802 is used to receive the customer relation management of outside
The customer service provisioning instruction that CRM network elements send, carries out business and judges identification；If business is opened
Logical instruction is mobile caching service order message, records the mobile caching business rule of user；And to
Strategy execution network elements send user's mobile caching business rule.
Description of the invention is given for the sake of example and description, and is not exhaustively
Or limit the invention to disclosed form.Common skill of many modifications and variations for this area
It is obvious for art personnel.Selection and description embodiment are to more preferably illustrate principle of the invention
And practical application, and make one of ordinary skill in the art it will be appreciated that the present invention is suitable so as to design
In the various embodiments with various modifications of special-purpose.
Claims (15)
1. a kind of mobile caching service control method, it is characterised in that including：
Strategy execution network elements are asked in the domain name system DNS for receiving user terminal, judge described
Whether user authorizes is opened mobile caching business；
If user authorizes and opened mobile caching business, according to strategy and charging regulation network element
The mobile caching business rule that PCRF is issued changes the differential service in user's DNS request
Code point DSCP values, and the DNS request changed after DSCP values is sent to DNS service
Device, so that dns server returns to mobile caching address of service server to eventually according to DSCP values
End so that the mobile caching industry that the terminal is pointed to by the mobile caching address of service server
Business server access internet.
2. method according to claim 1, it is characterised in that the strategy execution network elements
Included before the domain name system DNS for receiving user terminal is asked：
According to the video frequency data quality information that user terminal feeds back, judge whether user terminal regards
Frequency interim card；
If user terminal occurs video cardton, mobile caching business is sent in the way of paging frame
Set meal is reminded to user terminal；
If user orders mobile caching business, manageming contacts CRM network element is by the use
The mobile caching service order message at family is sent to the PCRF.
3. method according to claim 2, it is characterised in that the customer relation management
Be sent to the mobile caching service order message of the user after the PCRF by CRM network elements
Including：
The mobile caching that the PCRF is ordered according to user in the mobile caching service order message
Traffic type information, determines the mobile caching business rule of the user and by the mobile caching industry
Business rule is sent to strategy execution network elements；
Strategy execution network elements receive the mobile caching business rule of the user that the PCRF sends
Then；If receiving the DNS request of the user, repaiied according to the mobile caching business rule
Use the DSCP values in the DNS request of family instead.
4. method according to claim 2, it is characterised in that also include：
If described after receiving the mobile caching business cancellation message that the CRM network elements send
The mobile caching business rule deletion information and sending that PCRF generates the user gives strategy execution net
Unit, the strategy execution network elements delete the mobile caching business rule of the user.
5. method according to claim 1, it is characterised in that also include：
The dns server is previously according to file type or area configuration mobile caching business service
Device address and the corresponding relation of DSCP values, wherein, the mobile caching service server includes slow
Deposit web, app small documents caching system and buffered video, download content big file cache
System.
6. according to any described method in claim 1-5, it is characterised in that also include：
If the customer service that the CRM network elements that the PCRF receives outside send opens finger
Order, carries out business identification；
If the service fulfillment instruction is mobile caching service order message, PCRF records are described
The mobile caching business rule of user；And it is slow to strategy execution network elements transmission user's movement
Deposit business rule.
7. a kind of mobile caching business control device, it is characterised in that including：
Judge module, after being asked in the domain name system DNS for receiving user terminal, judges
Whether the user authorizes is opened mobile caching business；
Mobile caching business execution module, if authorize having opened mobile caching business for user,
The user is changed with the mobile caching business rule that charging regulation network element PCRF is issued according to strategy
Differentiated services code points DSCP values in DNS request, and the DNS after DSCP values will be changed
Request is sent to dns server, so that dns server returns to mobile caching according to DSCP values
Address of service server is to terminal so that the terminal is by mobile caching service server ground
The mobile caching service server that location is pointed to accesses internet.
8. device according to claim 7, it is characterised in that also include：
Receiver module, the mobile caching business rule for receiving the user that the PCRF sends
Then, wherein, if user orders mobile caching business, the PCRF receives customer relation management
The mobile caching service order message that CRM network elements send, according to the mobile caching service order
The traffic type information that user orders in message determines the mobile caching business rule of the user and incites somebody to action
The mobile caching business rule is sent to the mobile caching business control device.
9. device according to claim 7, it is characterised in that also include：
Removing module, if receiving the mobile caching business rule of PCRF transmissions for receiver module
Message is then deleted, the mobile caching business rule of the user is deleted.
10. a kind of mobile caching service control system, it is characterised in that including：Strategy execution net
Unit, strategy with charging regulation network element PCRF, dns server, mobile caching service server,
Web server；Wherein, the strategy execution network elements include any described in claim 7-9
Mobile caching business control device.
11. systems according to claim 10, it is characterised in that also include；
Network Quality Analysis network element, for the video frequency data quality information fed back according to user terminal,
Judge whether user terminal occurs video cardton；
Manageming contacts CRM network element, if there is video cardton for user terminal, with page
The mode of face bullet frame sends mobile caching service package and reminds to user terminal；If user orders moved
, then be sent to for the mobile caching service order message of the user described by dynamic cache business
PCRF。
12. systems according to claim 11, it is characterised in that
The PCRF is used for according in CRM network elements transmission mobile caching service order message
The mobile caching traffic type information that user orders, determines the mobile caching business rule of the user
And the mobile caching business rule is sent to strategy execution network elements；
Strategy execution network elements are used to receive the mobile caching business of the user that the PCRF sends
Rule；If receiving the DNS request of the user, according to the mobile caching business rule
Differentiated services code points DSCP values in modification user's DNS request.
13. systems according to claim 11, it is characterised in that
If the PCRF is used to receive the business cancellation message that the CRM network elements send
Afterwards, the mobile caching business rule for sending the user deletes message to strategy execution network elements；
The strategy execution network elements are used to delete the mobile caching business rule of the user.
14. systems according to claim 10, it is characterised in that the dns server
For previously according to file type or area configuration mobile caching address of service server and DSCP values
Corresponding relation, wherein, the mobile caching service server include caching web, app it is small
File cache system and buffered video, the big file cache system for downloading content.
15. according to any described system in claim 10-14, it is characterised in that described
If PCRF is used to receive the customer service provisioning instruction that the CRM network elements of outside send,
The business of carrying out judges identification；If the service fulfillment instruction is mobile caching service order message,
Record the mobile caching business rule of the user；And send the use to the strategy execution network elements
Family mobile caching business rule.
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