CN106161158A - The methods, devices and systems of value-added service are provided - Google Patents
The methods, devices and systems of value-added service are provided Download PDFInfo
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- CN106161158A CN106161158A CN201610579496.1A CN201610579496A CN106161158A CN 106161158 A CN106161158 A CN 106161158A CN 201610579496 A CN201610579496 A CN 201610579496A CN 106161158 A CN106161158 A CN 106161158A
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- 238000000034 method Methods 0.000 title claims abstract description 63
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- 230000000977 initiatory effect Effects 0.000 claims abstract description 18
- 238000012216 screening Methods 0.000 claims description 21
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- 238000013144 data compression Methods 0.000 claims description 18
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- 238000004458 analytical method Methods 0.000 description 7
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
- H04L12/2859—Point-to-point connection between the data network and the subscribers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of methods, devices and systems that value-added service is provided.Wherein, the method includes: DNS Redirect Server screens from DNS request and is met pre-conditioned DNS request, wherein, meet pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS request；DNS Redirect Server meets the IP address of the user terminal return value-added service platform of pre-conditioned DNS request to initiation；The user terminal IP Address requests value-added service by value-added service platform.
Description
Technical field
The present invention relates to internet arena, in particular to a kind of methods, devices and systems providing value-added service.
Background technology
Fig. 1 is a kind of conventional broadband access network topological diagram according to prior art, as it is shown in figure 1, wherein, this conventional broadband
The topological structure of access network is exported by conventional broadband user terminal 10, Layer 2 switch 20, BAS Broadband Access Server 30 and broadband
40 compositions, wherein, above-mentioned conventional broadband user terminal 10 can be IPoE user terminal or PPPoE user terminal, operator one
As use such as the broadband access method of Fig. 1, BAS Broadband Access Server is authenticated charging and bandwidth control to user.This framework
Under prior art cannot break through BAS Broadband Access Server bandwidth limit, it is impossible to provide the user with more good service.
Summary of the invention
Embodiments provide a kind of methods, devices and systems that value-added service is provided.
An aspect according to embodiments of the present invention, it is provided that a kind of method that value-added service is provided, including: DNS resets
Screening from DNS request to server and be met pre-conditioned DNS request, wherein, meeting pre-conditioned DNS request is
Purpose network address in DNS request is to preset the DNS request of network address；DNS Redirect Server meets pre-conditioned DNS to initiation
The user terminal of request returns to the IP address of value-added service platform；User terminal is increased by the IP Address requests of value-added service platform
Value service.
Another aspect according to embodiments of the present invention, additionally provides a kind of device providing value-added service, including: screening mould
Block, screens from DNS request for DNS Redirect Server and is met pre-conditioned DNS request, wherein, meets and presets
The DNS request of condition be the purpose network address in DNS request be preset network address DNS request；Return module, redirect for DNS
Server meets the IP address of the user terminal return value-added service platform of pre-conditioned DNS request to initiation；Access modules,
For the user terminal IP Address requests value-added service by value-added service platform.
Another aspect according to embodiments of the present invention, additionally provides a kind of system providing value-added service, including: DNS weight
Orientation server, is met pre-conditioned DNS request for screening from DNS request, wherein, meets pre-conditioned
DNS request be the purpose network address in DNS request be preset network address DNS request；And meet pre-conditioned DNS request to initiation
User terminal return value-added service platform IP address；User terminal, for by the IP Address requests of value-added service platform
Value-added service.
In embodiments of the present invention, the application such scheme is screened from DNS request by DNS Redirect Server and obtains
Meet pre-conditioned DNS request, and meet the user terminal return value-added service platform of pre-conditioned DNS request to initiation
IP address, user terminal is by the IP Address requests value-added service of value-added service platform.Such scheme redirects clothes by DNS
Business device screening can provide the request of value-added service, and to the IP of the terminal return value-added service platform that can provide request, makes
Must provide value-added service in broadband access network, the bandwidth that can break through broadband entrance limits, and carries in closer to the network of user
For finer and quality services.There is also the need to explanation, the way ratio of value-added service is provided after broadband access network
Relatively universal, but provide value-added service the most immature within broadband access network, and the present invention is main with existing broadband access network
The difference providing the method for value-added service afterwards can provide the DNS of value-added service being screened by DNS Redirect Server
Request, so that have the flow of the terminal of value-added service authority without flowing through BAS Broadband Access Server, obtains increment clothes nearby
The service of business platform, had both shortened the response time of customer acquisition service, had breached again BAS Broadband Access Server to user bandwidth
Limit.Filter out value-added service flow after the authority of user terminal being verified due to the present invention just to guide to increment clothes
Business platform, has ensured the rights and interests of paying customer.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of conventional broadband access network topological diagram according to prior art；
Fig. 2 is the flow chart of a kind of method providing value-added service of according to embodiments of the present invention 1；
Fig. 3 is the topological diagram of a kind of optional offer value-added service according to the embodiment of the present application 1；
Fig. 4 is another the optional topological diagram providing value-added service according to the embodiment of the present application 1；
Fig. 5 is the structural representation of a kind of device providing value-added service of according to embodiments of the present invention 2；And
Fig. 6 is the structural representation of a kind of system providing value-added service of according to embodiments of the present invention 3.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or
Order beyond those described is implemented.Additionally, term " includes " and " having " and their any deformation, it is intended that cover
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment are not necessarily limited to
Those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Or intrinsic other step of equipment or unit.
Below, the professional term with regard to the embodiment of the present application application explains:
PPPoE:Point to Point Protocol over Ethernet, carries ppp protocol (point over ethernet
To a connection protocol), utilize Ethernet by a large amount of main frame network consistings, be connected into the Internet by a remote access device, and
Each main frame accessed is realized control, billing function.
User is entered by IPoE: certification physical location based on Internet user (being indicated by unique VLAN ID/PVC ID)
Row certification and charging, without inputting username and password when user surfs the Net.DHCP (RFC-1541) itself is a kind of DynamicHost
Configuration protocol, initially applies mainly in LAN.
VLAN:Virtual Local Area Network, i.e. VLAN, VLAN be one group in logic
Equipment and user, these equipment and user are not limited by physical location, can incite somebody to action according to factors such as function, department and application
They are organized, communication each other just look like they in the same network segment as.
DNS redirects: DNS redirects and can be used to forbid that Intranet accesses some outer net network address or domain name, if manager
Need to forbid that client computer accesses some websites, then can use DNS redirection function.
According to embodiments of the present invention, it is provided that a kind of embodiment of the method providing value-added service, it should be noted that attached
Step shown in the flow chart of figure can perform in the computer system of such as one group of computer executable instructions, and, though
So show logical order in flow charts, but in some cases, can perform with the order being different from herein shown
Or the step described.
Fig. 2 is the flow chart of a kind of method providing value-added service of according to embodiments of the present invention 1, as in figure 2 it is shown, the party
Method comprises the steps:
Step S201, DNS Redirect Server screens from DNS request and is met pre-conditioned DNS request, its
In, meet pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS request.
Concrete, in above-mentioned steps, DNS request can be that user terminal sends, and request translates domain names into as IP ground
Location, in order to find the request of corresponding server.
Wherein, screening meet pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS please
The step asked can also include:
A. DNS request is analyzed, obtains the purpose network address in DNS request.
B. purpose network address is mated with the network address set prestored.
If the network address set c. prestored exists purpose network address, then confirm that DNS request is to meet pre-conditioned DNS to ask
Ask.
In above-mentioned steps, the network address set prestored is value-added service platform can provide the network address of value-added service, example
As certain value-added service platform is for providing acceleration service for video website, with the video website bag of this value-added service platform cooperation
Include: excellent cruel, Tengxun, the strange skill of love, then excellent cruel, Rhizoma Solani tuber osi and like that the network address of strange skill then belongs to the above-mentioned network address set prestored, by
Can not provide value-added service for Fructus Mangifera Indicae TV in above-mentioned value-added service platform, therefore, the network address of Fructus Mangifera Indicae TV is deployed in above-mentioned prestoring
Network address set.
Step S203, the user terminal that DNS Redirect Server meets pre-conditioned DNS request to initiation returns increment
The IP address of service platform.
Step S205, the user terminal IP Address requests value-added service by value-added service platform.
Concrete, in above-mentioned steps, value-added service refers to the service beyond regular service scope that client provides, or adopts
With the service beyond regular service method offer.Such as, the ordinary video of excellent cruel video all can be watched by domestic consumer, but right
In some videos needing paying, user must become excellent cruel member by modes such as payments, can watch, and above-mentioned needs prop up
Pay extra can provide the Video service of service then for the excellent value-added service extremely provided the user.
Herein it should be noted that concept the application of value-added service is not especially limited, any carried by above-mentioned steps
For the method for service, it is construed as value-added service.
Fig. 3 is the structural topology figure of a kind of optional offer value-added service according to the application, optionally implements in one
In example, in conjunction with the example shown in Fig. 3, it is assumed that BAS Broadband Access Server is 192.168.1.0/ to the IP network section that IPoe user distributes
24, to PPPoe user distribution IP network section be 192.168.2.0/24, DNS Redirect Server IP be 192.168.9.4, increase
Value server ip is 192.168.9.5, and any user accesses certain video website, and after input network address, user terminal first sends DNS
Request, obtains the IP address that this network address is corresponding, and DNS Redirect Server receives user's this network address of DNS request post analysis, if
Network address in DNS request belongs to the set of the network address prestored in DNS Redirect Server, then judge that this video website can be by increasing
Value service platform is accelerated, and DNS Redirect Server replys DNS response to user side, by IP ground corresponding for network address in response
Location is set to value-added server IP:192.168.9.5.
In an alternative embodiment, still combining the example shown in Fig. 3, this user accesses certain online game ground
Location, user side first sends DNS request, obtains the IP address that this network address is corresponding, and DNS Redirect Server receives user's DNS request
This network address of post analysis, it is determined that cannot be accelerated by value-added server, replys DNS response to user terminal, by network address pair in response
The IP address answered is source station IP, after client receives DNS response, obtains web IP address, initiates to this address to access.
From the foregoing, it will be observed that the application above-mentioned steps by DNS Redirect Server screen from DNS request be met default
The DNS request of condition, and the IP ground of the user terminal return value-added service platform of pre-conditioned DNS request is met to initiation
Location, the user terminal IP Address requests value-added service by value-added service platform.Such scheme is sieved by DNS Redirect Server
Choosing can provide the DNS request of value-added service, and returns value-added service platform to the terminal of the DNS request that can provide service
IP so that provide value-added service in broadband access network, the bandwidth that can break through broadband entrance limits, at the network closer to user
Middle offer is finer and quality services.There is also the need to explanation, doing of value-added service is provided after broadband access network
Method is commonplace, but provides value-added service the most immature within broadband access network, and the present invention mainly connects with existing broadband
The difference providing the method for value-added service after networking can provide value-added service being screened by DNS Redirect Server
DNS request, so that have the flow of the terminal of value-added service authority without flowing through BAS Broadband Access Server, obtains increment nearby
The service of service platform, had both shortened the response time of customer acquisition service, had breached again BAS Broadband Access Server to user bandwidth
Restriction.
According to the above embodiments of the present application, screen from the DNS request of user terminal at DNS Redirect Server and expired
Before the DNS request that foot is pre-conditioned, said method also includes:
Step S307, shunting device screens from whole uplink traffics and obtains DNS Protocol data, wherein, DNS Protocol data
Initiated DNS request by user terminal to produce.
DNS Protocol data are sent to DNS Redirect Server by step S309.
In a kind of optional embodiment, in conjunction with the example shown in Fig. 3, after user terminal input network address, shunting device
The flow that DNS request produces is uploaded to DNS Redirect Server.
Optionally, in the case of using IPoe technology access band, DNS Protocol data are sent to DNS redirection clothes
Business device, including:
Step S3091, removes the ectonexine VLAN ID of DNS Protocol data.
Concrete, in above-mentioned steps, above-mentioned ectonexine VLAN (Virtual Local Area Network,
It is abbreviated as VLAN) it is operated in the layers 2 and 3 of OSI Reference Model, a VLAN is exactly a broadcast domain, between VLAN
Communication is to be completed by the router of the 3rd layer.Compared with traditional local area network technology, vlan technology is more flexible, it
The movement having the advantage that the network equipment, the administration overhead minimizing added and revise；Broadcast activity can be controlled；Can improve
The safety of network.
The DNS Protocol data removing ectonexine VLAN ID are sent to value-added service platform by step S3093.
From the foregoing, it will be observed that the application above-mentioned steps uses shunting device to remove the ectonexine VLAN of DNS Protocol data
Mark, and the DNS Protocol data removing ectonexine VLAN ID are sent to value-added service platform, it is achieved that using
In the case of IPoe technology access band, DNS Protocol data are sent the technical purpose to DNS Redirect Server.
Optionally, in the case of using IPoe technology access band, DNS Redirect Server is to initiating satisfied default bar
The user terminal of the DNS request of part returns to the IP address of value-added service platform, the user terminal IP ground by value-added service platform
Location request value-added service, including:
Step S3095, DNS respond packet is sent to shunting device by DNS Redirect Server, and wherein, DNS respond packet includes
The IP address of value-added service platform.
In a kind of optional embodiment, the IP address comprised can be replaced with value-added service platform in DNS respond packet
Address be back to user terminal.Such as, it is excellent cruel as example using the website that user accesses, at value-added service platform can be
In the case of excellent cruel offer service, the network address that excellent cruel network address replaces with value-added service platform is returned to user.
In an alternative embodiment, the net of value-added service platform can be added in the data return to user
Location.Such as, it is excellent extremely as example using the website that user accesses, can be the excellent cruel situation that service is provided at value-added service platform
Under, excellent cruel network address is not dealt with, in downlink data, only adds the network address of value-added service platform.
Step S3097, shunting device is that first downstream data adds ectonexine VLAN ID, and interpolation is inside and outside
The first downstream data of layer VLAN ID is back to user terminal, and wherein, first downstream data includes that value-added service is put down
The IP address of platform.
Concrete, in above-mentioned steps, above-mentioned first downstream data is to meet pre-conditioned user terminal transmission DNS to ask
After asking, the data that DNS Redirect Server returns to user terminal, wherein, DNS Redirect Server returns to user terminal
Comprising DNS respond packet in data, DNS respond packet includes value-added service platform IP.In a kind of optional embodiment, above-mentioned first
Downlink data can be DNS respond packet.
From the foregoing, it will be observed that DNS respond packet is sent to shunting device, shunting by the application above-mentioned steps DNS Redirect Server
Equipment adds the ectonexine VLAN ID of first downstream data, and shunting device is by interpolation ectonexine VLAN ID
First downstream data be back to user terminal.Such scheme achieves DNS response data and incites somebody to action through shunting device, shunting device
Recover corresponding ectonexine Vlan, data are issued the technique effect of user terminal.
Step S3099, shunting device screens from uplink traffic and obtains network address that purpose network address is value-added service platform
Target flow, removes the ectonexine VLAN ID of target flow and is forwarded to value-added service platform, and by value-added service
The second downstream data that platform returns sends to user terminal after adding ectonexine VLAN ID.
Concrete, in above-mentioned steps, above-mentioned target flow is that the flow of request value-added service, i.e. purpose network address are for rising in value
The flow of the network address of service platform.
Herein it should be noted that above-mentioned second downstream data be user terminal requests value-added service success after, increment clothes
Business platform is the downlink data returned to user terminal offer value-added service.
In a kind of optional embodiment, user terminal receives DNS response, and (after user terminal initiates DNS request, DNS is heavy
The orientation server response to above-mentioned DNS request) after, obtain the network address of value-added service platform, and initiate to access to this network address, visit
Ask data through shunting device, shunting device matches the data on flows that network address is value-added service platform, by these data remove in
Outer layer Vlan, is forwarded to specify value-added service platform.Value-added service platform is issued the service data of this user and is still gone through shunting and set
Standby, shunting device will recover corresponding ectonexine Vlan, and data are issued user terminal.
From the foregoing, it will be observed that in the application above-mentioned steps, DNS respond packet is sent to shunting device by DNS Redirect Server,
Shunting device adds the ectonexine VLAN ID of first downstream data, and will add ectonexine VLAN ID
First downstream data is back to user terminal, and screening obtains the network address that purpose network address is value-added service platform from uplink traffic
Target flow, remove the ectonexine VLAN ID of target flow and be forwarded to value-added service platform, by value-added service
The second downstream data that platform returns adds ectonexine VLAN ID and sends to user terminal.Such scheme achieves
DNS corresponding data recovers corresponding ectonexine Vlan through shunting device, shunting device, data is issued the technology of user terminal
Effect, has reached user terminal and has asked the technique effect of value-added service after getting the network address of value-added service platform.
Optionally, in the case of using PPPoe technology access band, DNS Protocol data are sent to DNS redirection clothes
Business device, including:
Step S3111, removes the PPPoe head of DNS Protocol data, ectonexine VLAN ID, IP data compression
Attribute and multilink attribute.
Concrete, in above-mentioned steps, above-mentioned ectonexine VLAN (Virtual Local Area Network,
It is abbreviated as VLAN) it is operated in the layers 2 and 3 of OSI Reference Model, a VLAN is exactly a broadcast domain, between VLAN
Communication is to be completed by the router of the 3rd layer.Compared with traditional local area network technology, vlan technology is more flexible, it
The movement having the advantage that the network equipment, the administration overhead minimizing added and revise；Broadcast activity can be controlled；Can improve
The safety of network.
Step S3113, will remove PPPoe head, ectonexine VLAN ID, IP data compression attribute and multilink
The DNS Protocol data of attribute send to value-added service platform.
From the foregoing, it will be observed that the application above-mentioned steps uses removes the PPPoe head of DNS Protocol data, ectonexine virtual local area
Network mark knowledge, IP data compression attribute and multilink attribute, and PPPoe head, ectonexine VLAN ID, IP number will be removed
Value-added service platform is sent to, it is achieved that access using PPPoe technology according to the DNS Protocol data of packed attribute and multilink attribute
In the case of broadband, DNS Protocol data are sent the technical purpose to DNS Redirect Server.
Optionally, in the case of using PPPoe technology access band, DNS Redirect Server is to initiating satisfied presetting
The user terminal of the DNS request of condition returns the IP address of value-added service platform, the user terminal IP by value-added service platform
Address requests value-added service, including:
Step S3115, DNS respond packet is sent to shunting device by DNS Redirect Server, and wherein, DNS respond packet includes
Value-added service platform IP.
In a kind of optional embodiment, the IP address comprised in DNS request can be replaced with the ground of value-added service platform
Location is back to user terminal.Such as, be excellent extremely as example using the website that user accesses, value-added service platform can be excellent extremely
In the case of service is provided, the network address that excellent cruel network address replaces with value-added service platform is returned to user.
In an alternative embodiment, the net of value-added service platform can be added in the data return to user
Location.Such as, it is excellent extremely as example using the website that user accesses, can be the excellent cruel situation that service is provided at value-added service platform
Under, excellent cruel network address is not dealt with, in downlink data, only adds the network address of value-added service platform.
Step S3117, shunting device adds the PPPoe head of the 3rd downlink data, ectonexine VLAN ID, IP
Data compression attribute and multilink attribute, and interpolation PPPoe head, ectonexine VLAN ID, IP data compression are belonged to
3rd downlink data of property and multilink attribute feeds back to user terminal, and wherein, the 3rd downlink data includes value-added service platform
IP address.
Concrete, in above-mentioned steps, above-mentioned 3rd downlink data is to meet pre-conditioned user terminal transmission DNS to ask
After asking, the data that DNS Redirect Server returns to user terminal, wherein, DNS Redirect Server returns to user terminal
Comprising DNS respond packet in data, DNS respond packet comprises value-added service platform IP.In a kind of optional embodiment, the above-mentioned 3rd
Downlink data can be DNS respond packet.
Step S3119, from uplink traffic, screening obtains the target flow of the network address that purpose network address is value-added service platform,
Remove the PPPoe head of target flow, ectonexine VLAN ID, IP data compression attribute and multilink attribute and send
To value-added service platform, and the 4th downlink data returned by value-added service platform adds PPPoe head, ectonexine virtual local area
Send to user terminal after network mark knowledge, IP data compression attribute and multilink attribute.
Concrete, in above-mentioned steps, above-mentioned target flow is that the flow of request value-added service, i.e. purpose network address are for rising in value
The flow of the network address of service platform.
Herein it should be noted that above-mentioned 3rd downlink data be user terminal requests value-added service success after, increment clothes
Business platform is the downlink data returned to user terminal offer value-added service.
In a kind of optional embodiment, DNS response data is through shunting device, and shunting device will recover corresponding
PPPoe head, ectonexine Vlan, and according to consulting attribute, IP message is done and after compressing, issues user terminal, user terminal receives
After DNS response, obtain web IP address, initiate to this address to access, access data through shunting device, shunting device Match IP
For value-added service platform IP, these data are removed PPPoe head and ectonexine VLAN ID, IP message is done and compresses
After, it is forwarded to specify value-added service platform.
From the foregoing, it will be observed that DNS respond packet is sent to shunting device, shunting by the application above-mentioned steps DNS Redirect Server
Equipment adds the PPPoe head of the 3rd downlink data, ectonexine VLAN ID, IP data compression attribute and multilink and belongs to
Property, and PPPoe head, ectonexine VLAN ID, IP data compression attribute and the 3rd time of multilink attribute will be added
Row data feed back to user terminal, and from uplink traffic, screening obtains the target stream of the network address that purpose network address is value-added service platform
Amount, removes the PPPoe head of target flow, ectonexine VLAN ID, IP data compression attribute and multilink attribute also
Send to value-added service platform, and the 4th downlink data interpolation PPPoe head, the ectonexine that are returned by value-added service platform are virtual
Sending to user terminal after LAN ID, IP data compression attribute and multilink attribute, such scheme achieves DNS respond packet
Through shunting device, shunting device will recover corresponding PPPoe head, ectonexine VLAN ID, IP data compression genus
Property and multilink attribute, data are issued the technique effect of user terminal, reached user terminal get value-added service put down
The technical purpose of value-added service is asked after the network address of platform.
Optionally, from uplink traffic screening obtain the network address that purpose network address is value-added service platform target flow it
After, method also includes:
Step S311, purpose network address is not that the target flow of the network address of value-added service platform is according to target stream by shunting device
Link in amount sends to BAS Broadband Access Server, and the 5th downlink data returned by BAS Broadband Access Server sends to user
Terminal.
Concrete, above-mentioned purpose network address target flow for the network address of value-added service platform can be value-added service platform
Value-added service can not be provided for the network address in upper DNS request.Above-mentioned 5th downlink data is source station and passes through broadband server
The downlink data returned, wherein, source station is the website of original correspondence in DNS request.
Optionally, after DNS Redirect Server screens from DNS request and is met pre-conditioned DNS request,
Method also includes:
Step S313, shunting device sends being unsatisfactory for pre-conditioned DNS request to wide according to the link in DNS request
Leased line service device, and the 5th downlink data transmission returned by BAS Broadband Access Server is to user terminal.
In a kind of optional embodiment, access certain online game address with user, using PPPoe access band as showing
Example, user terminal first sends DNS request, obtains the IP address that this network address is corresponding, and these data are through shunting device, shunting device
Join for DNS Protocol, these data are removed PPPoe head and ectonexine VLAN ID, after IP message is compressed, turn
Being dealt into appointment DNS Redirect Server, DNS Redirect Server receives user's this network address of DNS request post analysis, it is determined that Wu Fatong
Cross value-added server accelerate, therefore to user terminal reply DNS response, response comprises IP address be source station IP, the most former
The IP that DNS request is corresponding.User terminal, after receiving DNS response, obtains IP address, source station, and initiates to this address to access,
Access data, through shunting device, shunting device Match IP non-value-added service platform IP, are not revised and are sent to BAS Broadband Access Server,
The response data that source station is returned by BAS Broadband Access Server, does not make an amendment through shunting server and issues user.
Optionally, before DNS Redirect Server screens from DNS request and is met pre-conditioned DNS request,
Method also includes: the authority of checking user terminal, and wherein, the step of the authority of checking user terminal includes:
Step S315, the username and password of checking user terminal, and/or
Step S317, IP address, physical address and the VLAN ID of checking user terminal.
The method of the value-added service that the present embodiment is provided, in broadband access network, uses user terminal to be authenticated
Net, the i.e. safety to user terminal are verified.Specifically, this verification step includes: checking user terminal user name and
Password, and/or IP address, physical address and the VLAN ID of checking user terminal.Need exist for explanation, existing
Technology does not judge the operation of user validation before flow guides, and there is severe compromise, thus, by the present embodiment
The step that the safety of user terminal is verified, it is ensured that the safety of user terminal.
In the application above-mentioned steps, in the case of IPoE broadband access, user terminal is consulted to obtain online IP by DHCP, point
User terminal is verified by flow device by monitoring negotiations process, and in the case of PPPoe broadband access, user is by dialing
Certification access band, shunting device monitoring dialing procedure, verify, the user terminal of dial-up success is the use being proved to be successful
Family terminal.
From the foregoing, it will be observed that the application above-mentioned steps is passed through at DNS Redirect Server from the DNS of the user terminal by checking
Before in request, screening is met pre-conditioned DNS request, the authority of checking user terminal, reach to have ensured that paying is used
The technique effect of the rights and interests at family.
Optionally, after the authority of checking user terminal, method also includes:
Step S319, the IP address of user terminal, physical address and the ectonexine VLAN ID that will be proved to be successful
It is stored in shunting device.
From the foregoing, it will be observed that the application above-mentioned steps is by by the IP address of user terminal being proved to be successful, physical address and interior
Outer layer VLAN ID is stored in shunting device so that when again asking value-added service by the user terminal of checking, nothing
Authority Verification need to be repeated.
Optionally, described shunting device pre-set user terminal limit current value, when the data traffic of any user terminal exceedes
During restriction, the data traffic of described user terminal is carried out policing and shaping.
Alternatively, in the present embodiment, the flow information that described shunting device periodically reports according to user terminal is given each
User terminal arranges upstream and downstream bandwidth, when the data traffic of any user terminal exceedes restriction, and the number to described user terminal
Policing and shaping is carried out according to flow.Concrete, in the present embodiment, above-mentioned user terminal periodically reports bandwidth to believe to shunting device
Breath, the information that shunting device periodically reports according to user terminal arranges upstream and downstream bandwidth, when user data flow process to each object
When exceeding restriction, will be to user data traffic policing and shaping, it is to avoid the competition of each customer flow in data peak period causes distributing not
All, it is ensured that server can provide stable service for a certain amount of user.
Optionally, the scope of the ectonexine VLAN bound in each port of shunting device is set.
Concrete, in the present embodiment, it is also possible to the ectonexine virtual office bound in each port of shunting device is set
The scope of territory net, such as, shunting server can configure multiple port in user side, and each port can arrange binding ectonexine
Vlan scope, so can plan each port user and limit.
Optionally, from uplink traffic, screening obtains the step of the target flow of the network address that purpose network address is value-added service platform
Suddenly also include: shunting device is according to ectonexine VLAN ID, physical address, TCP/UDP agreement and TCP/UDP port
Coupling screens the target flow obtaining the network address that purpose network address is value-added service platform.
In the application above-mentioned steps, shunting device, in addition to mainly guiding customer flow according to IP coupling, also props up
Hold the coupling according to ectonexine VLAN ID, physical address, TCP/UDP agreement and TCP/UDP port and screen second
Flow.
Optionally, the server of value-added service platform has multiple entrance, entrance port phases multiple with shunting device respectively
Even.
Concrete, in the present embodiment, value-added service platform can expand to multiple entrance, and entrance is respectively and shunting device
Multiple ports are connected and utilize above-mentioned matched rule, and the user data after coupling is forwarded to the different entrances of value increasing platform.
Fig. 4 is another the optional topological diagram providing value-added service according to the embodiment of the present application 1, below in conjunction with Fig. 4
The method of value-added service provided by the present invention is further detailed in the optional scene of one:
It should be noted that Fig. 4 is that user does the exemplary topology diagram more finely divided.Assume broadband server to
The IP network section of IPoE user's distribution of Vlan100 and Vlan200 is 192.168.1.0/24, to Vlan100's and Vlan200
The IP network section of PPPoE user's distribution is 192.168.2.0/24, and value-added server IP is 192.168.9.5, has A, B two end
Mouthful.
IPoE and the PPPoE user of Vlan100 can be received shunting server A 1 port, the user under Vlan100
Access increment takes platform data and imports value-added service platform from link A, and the user under Vlan200 asks Value added service data from B
Link imports value-added service platform.
As shown in the above, present applicant proposes a kind of method that value-added service is provided, need exist for explanation, logical
Cross the method for value-added service provided herein, it is also possible to obtain following beneficial effect:
1, the bandwidth breaking through BAS Broadband Access Server limits；
2, monitoring users negotiations process, determines user validation, promotes safety and practicality；
3, record user consults option, gives complete support in drainage process；
4, only very value-added service flow is guided, the business beyond increment is not affected；
5, this method can use under 802.1ad and 802.1Q network environment；
6, more rich flow boot policy is provided；
7, bandwidth control strategy, lifting scheme stability and availability are increased.
There is also the need to explanation, by the method for the value-added service that the application is protected, it is proposed that a kind of in broadband
The method providing value-added service in access network, the bandwidth breaking through broadband access limits, and overcomes mention in background technology existing
The defect of technology, has provided the user the broadband service of more high-quality.
Embodiment 2
Fig. 5 is the structural representation of a kind of device providing value-added service of according to embodiments of the present invention 2, and this device is permissible
For performing the method providing value-added service in embodiment 1, shown in Fig. 5, this device includes:
Screening module 50, screen from DNS request for DNS Redirect Server be met pre-conditioned DNS ask
Ask, wherein, meet pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS request.
Concrete, in said apparatus, DNS request can be that user terminal sends, and request translates domain names into as IP ground
Location, in order to find the request of corresponding server.
Wherein, screening meet pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS please
The step asked can also include:
A. DNS request is analyzed, obtains the purpose network address in DNS request.
B. purpose network address is mated with the network address set prestored.
If the network address set c. prestored exists purpose network address, then confirm that DNS request is to meet pre-conditioned DNS to ask
Ask.
In said apparatus, the network address set prestored is value-added service platform can provide the network address of value-added service, example
As certain value-added service platform is for providing acceleration service for video website, with the video website bag of this value-added service platform cooperation
Include: excellent cruel, Tengxun, the strange skill of love, then excellent cruel, Rhizoma Solani tuber osi and like that the network address of strange skill then belongs to the above-mentioned network address set prestored, by
Can not provide value-added service for Fructus Mangifera Indicae TV in above-mentioned value-added service platform, therefore, the network address of Fructus Mangifera Indicae TV is deployed in above-mentioned prestoring
Network address set.
Returning module 52, the user terminal meeting pre-conditioned DNS request to initiation for DNS Redirect Server returns
Return the IP Address requests value-added service of value-added service platform.
Concrete, in said apparatus, value-added service refers to the service beyond regular service scope that client provides, or adopts
With the service beyond regular service method offer.Such as, the ordinary video of excellent cruel video all can be watched by domestic consumer, but right
In some videos needing paying, user must become excellent cruel member by modes such as payments, can watch, and above-mentioned needs prop up
Pay extra can provide the Video service of service then for the excellent value-added service extremely provided the user.
Herein it should be noted that concept the application of value-added service is not especially limited, any carried by above-mentioned steps
For the method for service, it is construed as value-added service.
Access modules 54, for the user terminal IP Address requests value-added service by value-added service platform.
Fig. 3 is the topological diagram of a kind of optional offer value-added service according to the embodiment of the present application 1, optionally real in one
Execute in example, in conjunction with the example shown in Fig. 3, it is assumed that the IP network section that BAS Broadband Access Server distributes to IPoe user is
192.168.1.0/24, the IP network section to PPPoe user's distribution is that 192.168.2.0/24, DNS Redirect Server IP is
192.168.9.4, value-added server IP is 192.168.9.5, and any user accesses certain video website, after input network address, uses
Family terminal first sends DNS request, obtains the IP address that this network address is corresponding, and DNS Redirect Server divides after receiving user's DNS request
Analyse this network address, if the network address in DNS request belongs to the set of the network address prestored in DNS Redirect Server, then judge that this regards
Frequently website can be accelerated by value-added service platform, and DNS Redirect Server replys DNS response to user side, will in response
IP address corresponding to network address is set to value-added server IP:192.168.9.5.
In an alternative embodiment, still combining the example shown in Fig. 3, this user accesses certain online game ground
Location, user side first sends DNS request, obtains the IP address that this network address is corresponding, and DNS Redirect Server receives user's DNS request
This network address of post analysis, it is determined that cannot be accelerated by value-added server, replys DNS response to user side, in response, network address is corresponding
IP address be source station IP, client receive DNS response after, obtain web IP address, to this address initiate access.
From the foregoing, it will be observed that the application said apparatus by DNS Redirect Server screen from DNS request be met default
The DNS request of condition, and the IP ground of the user terminal return value-added service platform of pre-conditioned DNS request is met to initiation
Location, the user terminal IP Address requests value-added service by value-added service platform.Such scheme is sieved by DNS Redirect Server
Choosing can provide the request of value-added service, and return the IP of value-added service platform to the terminal that can provide request so that at width
Thering is provided value-added service in band access network, the bandwidth that can break through broadband entrance limits, and provides more smart in closer to the network of user
Thin and quality services.There is also the need to explanation, the way providing value-added service after broadband access network is commonplace,
But providing value-added service the most immature within broadband access network, the present invention is main to be provided after existing broadband access network
The difference of the method for value-added service can provide the DNS request of value-added service being screened by DNS Redirect Server, thus
Make the flow of terminal of value-added service authority without flowing through BAS Broadband Access Server, obtain the clothes of value-added service platform nearby
Business, had both shortened the response time of customer acquisition service, had breached again the BAS Broadband Access Server restriction to user bandwidth.
Embodiment 3
Fig. 6 is the structural representation of a kind of system providing value-added service of according to embodiments of the present invention 3, in conjunction with Fig. 6 institute
Showing, this system includes:
DNS Redirect Server 60, is met pre-conditioned DNS request for screening from DNS request, wherein,
Meet pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS request；And it is satisfied pre-to initiating
If the user terminal of the DNS request of condition returns to the IP address of value-added service platform；
User terminal 62, for by the IP Address requests value-added service of value-added service platform.
Concrete, in said system, value-added service refers to the service beyond regular service scope that client provides, or adopts
With the service beyond regular service method offer.Such as, the ordinary video of excellent cruel video all can be watched by domestic consumer, but right
In some videos needing paying, user must become excellent cruel member by modes such as payments, can watch, and above-mentioned needs prop up
Pay extra can provide the Video service of service then for the excellent value-added service extremely provided the user.
Herein it should be noted that concept the application of value-added service is not especially limited, any carried by above-mentioned steps
For the method for service, it is construed as value-added service.
Fig. 3 is the structural topology figure of a kind of optional offer value-added service according to the application, optionally implements in one
In example, in conjunction with the example shown in Fig. 3, it is assumed that BAS Broadband Access Server is 192.168.1.0/ to the IP network section that IPoe user distributes
24, to PPPoe user distribution IP network section be 192.168.2.0/24, DNS Redirect Server IP be 192.168.9.4, increase
Value server ip is 192.168.9.5, and any user accesses certain video website, and after input network address, user terminal first sends DNS
Request, obtains the IP address that this network address is corresponding, and DNS Redirect Server receives user's this network address of DNS request post analysis, if
Network address in DNS request belongs to the set of the network address prestored in DNS Redirect Server, then judge that this video website can be by increasing
Value service platform is accelerated, and DNS Redirect Server replys DNS response to user side, by IP ground corresponding for network address in response
Location is set to value-added server IP:192.168.9.5.
In an alternative embodiment, still combining the example shown in Fig. 3, this user accesses certain online game ground
Location, user side first sends DNS request, obtains the IP address that this network address is corresponding, and DNS Redirect Server receives user's DNS request
This network address of post analysis, it is determined that cannot be accelerated by value-added server, replys DNS response to user side, in response, network address is corresponding
IP address be source station IP, client receive DNS response after, obtain web IP address, to this address initiate access.
From the foregoing, it will be observed that the application said system by DNS Redirect Server screen from DNS request be met default
The DNS request of condition, and the IP ground of the user terminal return value-added service platform of pre-conditioned DNS request is met to initiation
Location, the user terminal IP Address requests value-added service by value-added service platform.Such scheme is sieved by DNS Redirect Server
Choosing can provide the request of value-added service, and return the IP of value-added service platform to the terminal that can provide request so that at width
Thering is provided value-added service in band access network, the bandwidth that can break through broadband entrance limits, and provides more smart in closer to the network of user
Thin and quality services.There is also the need to explanation, the way providing value-added service after broadband access network is commonplace,
But providing value-added service the most immature within broadband access network, the present invention is main to be provided after existing broadband access network
The difference of the method for value-added service can provide the DNS request of value-added service being screened by DNS Redirect Server, thus
Make the flow of terminal of value-added service authority without flowing through BAS Broadband Access Server, obtain the clothes of value-added service platform nearby
Business, had both shortened the response time of customer acquisition service, had breached again the BAS Broadband Access Server restriction to user bandwidth.
Optionally, said system also includes:
DNS Protocol data, for dividing screening from whole uplink traffics to obtain DNS Protocol data, are sent by shunting device
To DNS Redirect Server, and the IP address of the value-added service platform returned by DNS Redirect Server sends to user eventually
End；Wherein, DNS Protocol data are initiated DNS request generation by user terminal.
In said system, before user terminal initiates DNS request, shunting device screens from whole uplink traffics
Initiate protocol data produced by DNS request to user terminal, determine can provide to user terminal at DNS Redirect Server
In the case of value-added service, the IP address of the value-added service platform returned by DNS Redirect Server returns to user terminal,
In the case of DNS Redirect Server judges to provide value-added service as user terminal, the request of user terminal is forwarded to
BAS Broadband Access Server, and return to, to user terminal, the IP address, source station that BAS Broadband Access Server returns.
After user terminal gets the response of DNS, in screening uplink traffic, destination address is value-added service platform
The flow of address, and it is forwarded to value-added service platform, it is not that the flow of the address of value-added service platform is forwarded to by destination address
BAS Broadband Access Server.
Optionally, said system also includes:
Value-added server, for providing value-added service for user terminal.
Herein it should be noted that above-mentioned value-added server is the clothes corresponding to the value-added service platform in above-described embodiment
Business device, value-added service platform is built-up by above-mentioned value-added server, and value-added service platform is not limited to contain only an increment
Server.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part described in detail, may refer to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be passed through other
Mode realizes.Wherein, device embodiment described above is only schematically, the division of the most described unit, Ke Yiwei
A kind of logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or
Person is desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed is mutual
Between coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, unit or module or communication link
Connect, can be being electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be for personal computer, server or the network equipment etc.) perform the whole of method described in each embodiment of the present invention or
Part steps.And aforesaid storage medium includes: USB flash disk, read only memory (ROM, Read-Only Memory), random access memory are deposited
Reservoir (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (14)
1. the method that value-added service is provided, it is characterised in that including:
DNS Redirect Server screens from DNS request and is met pre-conditioned DNS request, wherein, meets described presetting
The DNS request of condition be the purpose network address in DNS request be preset network address DNS request；
Described DNS Redirect Server returns value-added service to initiating the described user terminal meeting pre-conditioned DNS request
The IP address of platform；
The IP Address requests value-added service by described value-added service platform of the described user terminal.
Method the most according to claim 1, it is characterised in that in the case of using IPoe technology access band, described
DNS Redirect Server returns the IP of value-added service platform to initiating the described user terminal meeting pre-conditioned DNS request
Address, the IP Address requests value-added service by described value-added service platform of the described user terminal, including:
DNS respond packet is sent to shunting device by described DNS Redirect Server, and wherein, described DNS respond packet includes described increasing
The IP address of value service platform；
Described shunting device is that first downstream data adds ectonexine VLAN ID, and by virtual for described for interpolation ectonexine
The described first downstream data of LAN ID is back to described user terminal, and wherein, described first downstream data includes described
DNS respond packet；
Described shunting device screens the target stream obtaining the network address that purpose network address is described value-added service platform from uplink traffic
Amount, removes the ectonexine VLAN ID of described target flow and is forwarded to described value-added service platform, and by described increasing
The second downstream data that value service platform returns sends to described user terminal after adding described ectonexine VLAN ID.
Method the most according to claim 1, it is characterised in that in the case of using PPPoe technology access band, described
DNS Redirect Server returns the IP of value-added service platform to initiating the described user terminal meeting pre-conditioned DNS request
Address, the IP Address requests value-added service by described value-added service platform of the described user terminal, including:
DNS respond packet is sent to shunting device by described DNS Redirect Server, and wherein, described DNS respond packet includes described increasing
The IP address of value service platform；
Described shunting device adds the PPPoe head of the 3rd downlink data, ectonexine VLAN ID, IP data compression genus
Property and multilink attribute, and by interpolation PPPoe head, ectonexine VLAN ID, IP data compression attribute and multilink
Described 3rd downlink data of attribute feeds back to described user terminal, and wherein, described 3rd downlink data includes described increment clothes
The IP address of business platform；
Described shunting device screens the target stream obtaining the network address that purpose network address is described value-added service platform from uplink traffic
Amount, removes the PPPoe head of described target flow, ectonexine VLAN ID, IP data compression attribute and multilink and belongs to
Property and send to described value-added service platform, and the 4th downlink data returned by described value-added service platform adds PPPoe head
Send to described user terminal after portion, ectonexine VLAN ID, IP data compression attribute and multilink attribute.
Method the most as claimed in any of claims 1 to 3, it is characterised in that at DNS Redirect Server from DNS
Before in request, screening is met pre-conditioned DNS request, described method also includes:
Shunting device screens from whole uplink traffics and obtains DNS Protocol data, and wherein, described DNS Protocol data are by described use
Family terminal is initiated DNS request and is produced；
Described DNS Protocol data are sent to described DNS Redirect Server.
Method the most according to claim 4, it is characterised in that in the case of using IPoe technology access band, by institute
State DNS Protocol data and send extremely described DNS Redirect Server, including:
Remove the ectonexine VLAN ID of described DNS Protocol data；
The DNS Protocol data removing ectonexine VLAN ID are sent to described value-added service platform.
Method the most according to claim 4, it is characterised in that in the case of using PPPoe technology access band, by institute
State DNS Protocol data and send extremely described DNS Redirect Server, including:
Remove the PPPoe head of described DNS Protocol data, ectonexine VLAN ID, IP data compression attribute and multichain
Road attribute；
PPPoe head, ectonexine VLAN ID, IP data compression attribute and the described DNS of multilink attribute will be removed
Protocol data sends to described value-added service platform.
Method the most according to claim 1, it is characterised in that screen from DNS request at DNS Redirect Server and obtain
After meeting pre-conditioned DNS request, described method also includes:
Shunting device connects being unsatisfactory for described pre-conditioned DNS request to broadband according to the link transmission in described DNS request
Enter server, and the 5th downlink data returned by described BAS Broadband Access Server sends to described user terminal.
Method the most according to claim 1, it is characterised in that shunting device pre-set user terminal limit current value, when arbitrarily
When the data traffic of user terminal exceedes restriction, the data traffic of described user terminal is carried out policing and shaping.
Method the most according to claim 1, it is characterised in that the ectonexine bound in each port of shunting device is set
The scope of VLAN.
The most according to the method in claim 2 or 3, it is characterised in that from described uplink traffic, screening obtains purpose network address
Step for the target flow of the network address of described value-added service platform includes: described shunting device is according to described ectonexine virtual office
The coupling of territory network mark knowledge, physical address, TCP/UDP agreement and TCP/UDP port screens that to obtain purpose network address be described increment
The target flow of the network address of service platform.
11. methods according to claim 4, it is characterised in that the server of described value-added service platform have multiple enter
Mouthful, described entrance ports multiple with described shunting device respectively are connected.
12. 1 kinds of devices that value-added service is provided, it is characterised in that including:
Screening module, screens from DNS request for DNS Redirect Server and is met pre-conditioned DNS request, its
In, meet described pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS request；
Return module, for described DNS Redirect Server to initiating the described user terminal meeting pre-conditioned DNS request
Return to the IP address of value-added service platform；
Access modules, for the IP Address requests value-added service by described value-added service platform of the described user terminal.
13. 1 kinds of systems that value-added service is provided, it is characterised in that including:
DNS Redirect Server, is met pre-conditioned DNS request for screening from DNS request, wherein, meets institute
State pre-conditioned DNS request be the purpose network address in DNS request be preset network address DNS request；And it is described satisfied to initiating
The user terminal of pre-conditioned DNS request returns to the IP address of value-added service platform；
User terminal, for by the IP Address requests value-added service of described value-added service platform.
14. systems according to claim 13, it is characterised in that described system also includes:
Shunting device, obtains DNS Protocol data for screening from whole uplink traffics, described DNS Protocol data is sent extremely
Described DNS Redirect Server, and the IP address transmission of the described value-added service platform that described DNS Redirect Server is returned
To described user terminal；
Wherein, described DNS Protocol data are initiated DNS request generation by described user terminal.
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| CN107948682A (en) * | 2017-11-22 | 2018-04-20 | 聚好看科技股份有限公司 | Collocation method, service server and the terminal device of business domain name |
| CN111225070A (en) * | 2018-11-23 | 2020-06-02 | 中国电信股份有限公司 | Flow control method, device and system and SDN controller |
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| CN102891807A (en) * | 2012-07-16 | 2013-01-23 | 北京东方网信科技股份有限公司 | Network flow cache method and system based on active guidance |
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| CN107948682B (en) * | 2017-11-22 | 2020-02-14 | 聚好看科技股份有限公司 | Configuration method of service domain name, service server and terminal equipment |
| CN111225070A (en) * | 2018-11-23 | 2020-06-02 | 中国电信股份有限公司 | Flow control method, device and system and SDN controller |
| CN111225070B (en) * | 2018-11-23 | 2022-05-03 | 中国电信股份有限公司 | Flow control method, device and system and SDN controller |
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