CN106161158B - 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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- CN106161158B CN106161158B CN201610579496.1A CN201610579496A CN106161158B CN 106161158 B CN106161158 B CN 106161158B CN 201610579496 A CN201610579496 A CN 201610579496A CN 106161158 B CN106161158 B CN 106161158B
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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
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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
- H04L12/2858—Access network architectures
- H04L12/2859—Point-to-point connection between the data network and the subscribers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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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- Computer Networks & Wireless Communication (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The methods, devices and systems of value-added service are provided the invention discloses a kind of.Wherein, this method comprises: DNS Redirect Server screens the DNS request for obtaining meeting preset condition from DNS request, wherein the DNS request for meeting preset condition is DNS request that purpose network address in DNS request is default network address；The user terminal for the DNS request that DNS Redirect Server meets preset condition to initiation returns to the IP address of value-added service platform；User terminal requests value-added service by the IP address of value-added service platform.
Description
Technical field
The present invention relates to internet areas, provide the methods, devices and systems of value-added service in particular to a kind of.
Background technique
Fig. 1 is that a kind of conventional broadband accesses net topology figure according to prior art, as shown in Figure 1, wherein the conventional broadband
The topological structure for accessing net 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 using the broadband access method such as Fig. 1, BAS Broadband Access Server carries out authentication and accounting and bandwidth to user and controls.This framework
Under the prior art can not break through BAS Broadband Access Server bandwidth limitation, more good service can not be provided the user with.
Summary of the invention
The methods, devices and systems of value-added service are provided the embodiment of the invention provides a kind of.
According to an aspect of an embodiment of the present invention, a kind of method of offer value-added service is provided, comprising: DNS is reset
The DNS request for obtaining meeting preset condition is screened from DNS request to server, wherein the DNS request for meeting preset condition is
Purpose network address in DNS request is the DNS request of default network address；DNS Redirect Server meets the DNS of preset condition to initiation
The user terminal of request returns to the IP address of value-added service platform；User terminal requests to increase by the IP address of value-added service platform
Value service.
According to another aspect of an embodiment of the present invention, a kind of device of offer value-added service is additionally provided, comprising: screening mould
Block screens the DNS request for obtaining meeting preset condition for DNS Redirect Server from DNS request, wherein meets default
The DNS request of condition is the DNS request that the purpose network address in DNS request is default network address；Return module is redirected for DNS
The user terminal for the DNS request that server meets preset condition to initiation returns to the IP address of value-added service platform；Access modules,
Value-added service is requested by the IP address of value-added service platform for user terminal.
According to another aspect of an embodiment of the present invention, a kind of system of offer value-added service is additionally provided, comprising: DNS weight
Orient server, for from DNS request screening obtain meeting the DNS request of preset condition, wherein meet preset condition
DNS request is the DNS request that the purpose network address in DNS request is default network address；And meet the DNS request of preset condition to initiation
User terminal return value-added service platform IP address；User terminal, for being requested by the IP address of value-added service platform
Value-added service.
In embodiments of the present invention, the application above scheme is screened from DNS request by DNS Redirect Server and is obtained
Meet the DNS request of preset condition, and returns to value-added service platform to the user terminal that initiation meets the DNS request of preset condition
IP address, user terminal requests value-added service by the IP address of value-added service platform.Above scheme is redirected by DNS and is taken
Business device screening is capable of providing the request of value-added service, and the IP of value-added service platform is returned to the terminal for being capable of providing request, makes
It obtains and value-added service is provided in broadband access network, the bandwidth limitation of broadband entrance can be broken through, mentioned in the network closer to user
For finer and quality services.There is also the need to explanations, and the way ratio of value-added service is provided after broadband access network
It is relatively universal, but it is also immature to provide value-added service within broadband access network, the present invention mainly with existing broadband access network
The difference for providing the method for value-added service later is screening the DNS for being capable of providing value-added service by DNS Redirect Server
Request obtains increment clothes so that there is the flow of the terminal of value-added service permission without flowing through BAS Broadband Access Server nearby
The service of business platform, had not only shortened the response time of customer acquisition service, but also breach BAS Broadband Access Server to user bandwidth
Limitation.Value-added service flow is filtered out after verifying due to permission of the present invention to user terminal just to guide to increment clothes
Business platform, has ensured the equity of paying customer.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that a kind of conventional broadband accesses net topology figure according to prior art；
Fig. 2 is a kind of flow chart of the method for according to embodiments of the present invention 1 offer value-added service；
Fig. 3 is the topological diagram according to the optional offer value-added service of one kind of the embodiment of the present application 1；
Fig. 4 is the topological diagram according to another optional offer value-added service of the embodiment of the present application 1；
Fig. 5 is a kind of structural schematic diagram of the device of according to embodiments of the present invention 2 offer value-added service；And
Fig. 6 is a kind of structural schematic diagram of the system of according to embodiments of the present invention 3 offer value-added service.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
In the following, being explained with regard to the professional term of the embodiment of the present application application:
PPPoE:Point to Point Protocol over Ethernet carries ppp protocol (point over ethernet
To a connection protocol), using Ethernet by a large amount of host network consistings, internet is connected by a remote access device, and
Control, billing function are realized to each host of access.
IPoE: physical location (pass through unique VLAN ID/PVC ID indicate) of the certification based on Internet user to user into
Row certification and charging, without inputting username and password when user surfs the Internet.DHCP (RFC-1541) is a kind of DynamicHost in itself
Configuration protocol is initially applied mainly in LAN.
VLAN:Virtual Local Area Network, i.e. virtual LAN, virtual LAN be one group in logic
Equipment and user, these equipment and user are not limited by physical location, can be incited somebody to action according to factors such as function, department and applications
They are organized, and mutual communication just looks like that they are the same in the same network segment.
DNS is redirected: DNS, which is redirected, can be used to that Intranet is forbidden to access certain outer net network address or domain name, if administrator
It needs that client computer is forbidden to access some websites, then DNS redirection function can be used.
According to embodiments of the present invention, a kind of embodiment of the method for offer value-added service is provided, it should be noted that attached
The step of process of figure illustrates can execute in a computer system such as a set of computer executable instructions, though also,
So logical order is shown in flow charts, but in some cases, it can be to be different from shown by sequence execution herein
Or the step of description.
Fig. 2 is a kind of flow chart of the method for according to embodiments of the present invention 1 offer value-added service, as shown in Fig. 2, the party
Method includes the following steps:
Step S201, DNS Redirect Server screens the DNS request for obtaining meeting preset condition from DNS request,
In, the DNS request for meeting preset condition is DNS request that purpose network address in DNS request is default network address.
Specifically, DNS request can be user terminal sending, and request translates domain names into for IP in above-mentioned steps
Location, to find the request of corresponding server.
Wherein, it is that the DNS that the purpose network address in DNS request is default network address is asked that screening, which meets the DNS request of preset condition,
The step of asking can also include:
A. DNS request is analyzed, obtains the purpose network address in DNS request.
B. purpose network address is matched with the network address set prestored.
C. if there are purpose network address in the network address set prestored, confirm that DNS request is to meet the DNS of preset condition to ask
It asks.
In above-mentioned steps, the network address set prestored is that value-added service platform can provide the network address of value-added service, example
If some value-added service platform is used to provide acceleration service for video website, the video website packet with the value-added service platform cooperation
It includes: youku.com, Tencent, iqiyi.com, then the network address of youku.com, potato and iqiyi.com then belongs to the above-mentioned network address set prestored, by
In above-mentioned value-added service platform value-added service cannot be provided for mango TV, therefore, the network address of mango TV is deployed in above-mentioned prestore
Network address set.
Step S203, DNS Redirect Server returns to increment to the user terminal for the DNS request that initiation meets preset condition
The IP address of service platform.
Step S205, user terminal request value-added service by the IP address of value-added service platform.
Specifically, value-added service refers to the service beyond regular service range that client provides, or adopts in above-mentioned steps
With the service for exceeding the offer of regular service method.For example, ordinary user can watch the ordinary video of youku.com's video, but right
In some videos for needing to pay, user must become youku.com member by modes such as payments, can watch, above-mentioned to need to prop up
It is then youku.com is the value-added service that user provides that pay extra, which can provide the Video service of service,.
It is any to mention through the above steps herein it should be noted that concept the application of value-added service is not especially limited
For the method for service, it is construed as value-added service.
Fig. 3 is optionally to be implemented according to the structural topology figure of the optional offer value-added service of one kind of the application a kind of
In example, example as shown in connection with 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, it is 192.168.2.0/24 to the IP network section that PPPoe user distributes, DNS Redirect Server IP is 192.168.9.4, is increased
Value server ip is 192.168.9.5, and any user accesses some video website, and after inputting network address, user terminal first issues DNS
Request, obtains the corresponding IP address of the network address, and DNS Redirect Server receives user's DNS request post analysis network address, if
Network address in DNS request belongs to the set of the network address prestored in DNS Redirect Server, then determines that the video website can pass through increasing
Value service platform is accelerated, and DNS Redirect Server is replied DNS to user terminal and responded, in response by the corresponding IP of network address
Location is set as value-added server IP:192.168.9.5.
In an alternative embodiment, example still as shown in connection with fig. 3, the user is with accessing certain online game
Location, user terminal first issue DNS request, obtain the corresponding IP address of the network address, and DNS Redirect Server receives user's DNS request
The post analysis network address, judgement can not be accelerated by value-added server, replied DNS to user terminal and responded, by network address pair in response
The IP address answered is that source station IP obtains web IP address after client receives DNS response, initiates to access to the address.
It is preset from the foregoing, it will be observed that the application above-mentioned steps screen to obtain meeting from DNS request by DNS Redirect Server
The DNS request of condition, and with returning to the IP of value-added service platform to the user terminal that initiation meets the DNS request of preset condition
Location, user terminal request value-added service by the IP address of value-added service platform.Above scheme is sieved by DNS Redirect Server
Choosing is capable of providing the DNS request of value-added service, and returns to value-added service platform to the terminal of the DNS request for the service that is capable of providing
IP can break through the bandwidth limitation of broadband entrance, in the network closer to user so that providing value-added service in broadband access network
It is middle that finer and quality services are provided.There is also the need to explanations, and doing for value-added service is provided after broadband access network
Method is commonplace, but offer value-added service is also immature within broadband access network, and the present invention mainly connects with existing broadband
The difference that the method for value-added service is provided after networking is being capable of providing value-added service by DNS Redirect Server to screen
DNS request is rised in value nearby so that there is the flow of the terminal of value-added service permission without flowing through BAS Broadband Access Server
The service of service platform, had not only shortened the response time of customer acquisition service, but also breached BAS Broadband Access Server to user bandwidth
Limitation.
According to the above embodiments of the present application, screening from the DNS request of user terminal in DNS Redirect Server is expired
Before the DNS request of sufficient preset condition, the above method further include:
Step S307, shunting device screen from whole uplink traffics and obtain DNS Protocol data, wherein DNS Protocol data
DNS request is initiated by user terminal to generate.
DNS Protocol data are sent to DNS Redirect Server by step S309.
In an alternative embodiment, example as shown in connection with fig. 3, after user terminal inputs network address, shunting device
The flow that DNS request generates is uploaded to DNS Redirect Server.
Optionally, using IPoe technology access band, DNS Protocol data is sent to DNS and redirect clothes
Business device, comprising:
Step S3091 removes the ectonexine VLAN ID of DNS Protocol data.
Specifically, in above-mentioned steps, above-mentioned ectonexine virtual LAN (Virtual Local Area Network,
It is abbreviated as VLAN) in the layers 2 and 3 of OSI Reference Model, a VLAN is exactly a broadcast domain for work, between VLAN
Communication is completed by the 3rd layer of router.Compared with traditional local area network technology, vlan technology is more flexible, it
Have the advantage that the administration overhead of movement, addition and the modification of the network equipment is reduced；It can control broadcast activity；It can be improved
The safety of network.
The DNS Protocol data for removing ectonexine VLAN ID are sent to value-added service platform by step S3093.
From the foregoing, it will be observed that ectonexine virtual LAN of the application above-mentioned steps using shunting device removal DNS Protocol data
Mark, and the DNS Protocol data for removing ectonexine VLAN ID are sent to value-added service platform, it realizes and is using
In the case where IPoe technology access band, DNS Protocol data are sent to the technical purpose of DNS Redirect Server.
Optionally, using IPoe technology access band, DNS Redirect Server presets item to satisfaction is initiated
The user terminal of the DNS request of part returns to the IP address of value-added service platform, and user terminal is with passing through the IP of value-added service platform
Request value-added service in location, comprising:
DNS response bag is sent to shunting device by step S3095, DNS Redirect Server, wherein DNS response bag includes
The IP address of value-added service platform.
In an alternative embodiment, the IP address for including in DNS response bag can be replaced with into value-added service platform
Address be back to user terminal.For example, using the website of user's access as youku.com as an example, can be in value-added service platform
In the case that youku.com provides service, the network address that the network address of youku.com replaces with value-added service platform is returned into user.
In an alternative embodiment, the net of value-added service platform can be added in the data for returning to user
Location.For example, using the website of user's access as youku.com as an example, the case where value-added service platform can provide service for youku.com
Under, the network address of youku.com is not dealt with, the network address of value-added service platform is only added in downlink data.
Step S3097, shunting device are first downstream data addition ectonexine VLAN ID, and will be inside and outside addition
The first downstream data of layer VLAN ID is back to user terminal, wherein first downstream data includes that value-added service is flat
The IP address of platform.
Specifically, in above-mentioned steps, above-mentioned first downstream data is to meet the user terminal of preset condition to send DNS and ask
After asking, data that DNS Redirect Server is returned to user terminal, wherein DNS Redirect Server is returned to user terminal
It include DNS response bag in data, DNS response bag includes value-added service platform IP.In an alternative embodiment, above-mentioned first
Downlink data can be DNS response bag.
From the foregoing, it will be observed that DNS response bag is sent to shunting device by the application above-mentioned steps DNS Redirect Server, shunt
Equipment adds the ectonexine VLAN ID of first downstream data, and shunting device will add ectonexine VLAN ID
First downstream data be back to user terminal.Above scheme realizes DNS response data and passes through shunting device, and shunting device will
Restore corresponding ectonexine Vlan, data are issued to the technical effect of user terminal.
Step S3099, shunting device screen the network address for obtaining that purpose network address is value-added service platform from uplink traffic
Target flow removes the ectonexine VLAN ID of target flow and is forwarded to value-added service platform, and by value-added service
It is sent to the user terminal after the second downstream data addition ectonexine VLAN ID that platform returns.
Specifically, above-mentioned target flow is the flow for requesting value-added service in above-mentioned steps, i.e., purpose network address is increment
The flow of the network address of service platform.
Herein it should be noted that above-mentioned second downstream data is increment clothes after user terminal requests value-added service success
Platform be engaged in provide the downlink data that value-added service is returned to user terminal.
In an alternative embodiment, user terminal receive DNS response (user terminal initiate DNS request after, DNS weight
Orient response of the server to above-mentioned DNS request) after, the network address of value-added service platform is obtained, and initiate to access to the network address, visited
Data are asked by shunting device, shunting device is matched to the data on flows that network address is value-added service platform, will be in data removal
Outer layer Vlan is forwarded to specified value-added service platform.The service data that value-added service platform issues the user is still set by shunting
Standby, shunting device will restore corresponding ectonexine Vlan, and data are issued user terminal.
From the foregoing, it will be observed that DNS response bag is sent to shunting device by DNS Redirect Server in the application above-mentioned steps,
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 is sent to the user terminal.Above scheme realizes
DNS corresponding data passes through shunting device, and shunting device restores corresponding ectonexine Vlan, data are issued to the technology of user terminal
Effect has reached the technical effect that user terminal requests value-added service after the network address for getting value-added service platform.
Optionally, using PPPoe technology access band, DNS Protocol data is sent to DNS and redirect clothes
Business device, comprising:
Step S3111 removes the head PPPoe, the ectonexine VLAN ID, IP data compression of DNS Protocol data
Attribute and multilink attribute.
Specifically, in above-mentioned steps, above-mentioned ectonexine virtual LAN (Virtual Local Area Network,
It is abbreviated as VLAN) in the layers 2 and 3 of OSI Reference Model, a VLAN is exactly a broadcast domain for work, between VLAN
Communication is completed by the 3rd layer of router.Compared with traditional local area network technology, vlan technology is more flexible, it
Have the advantage that the administration overhead of movement, addition and the modification of the network equipment is reduced；It can control broadcast activity；It can be improved
The safety of network.
Step S3113, by the removal head PPPoe, ectonexine VLAN ID, IP data compression attribute and multilink
The DNS Protocol data of attribute are sent to value-added service platform.
From the foregoing, it will be observed that the application above-mentioned steps are using the head PPPoe, the ectonexine virtual local area for removing DNS Protocol data
Network mark knowledge, IP data compression attribute and multilink attribute, and the head PPPoe, ectonexine VLAN ID, IP number will be removed
It is sent to value-added service platform according to the DNS Protocol data of packed attribute and multilink attribute, realizes and is accessed using PPPoe technology
In the case where broadband, DNS Protocol data are sent to the technical purpose of DNS Redirect Server.
Optionally, using PPPoe technology access band, DNS Redirect Server is default to initiating to meet
The user terminal of the DNS request of condition returns to the IP address of value-added service platform, the IP that user terminal passes through value-added service platform
Address requests value-added service, comprising:
DNS response bag is sent to shunting device by step S3115, DNS Redirect Server, wherein DNS response bag includes
Value-added service platform IP.
In a kind of optional embodiment, the IP address for including in DNS request can be replaced with to the ground of value-added service platform
Location is back to user terminal.For example, using the website of user's access as youku.com as an example, can be youku.com in value-added service platform
In the case that service is provided, the network address that the network address of youku.com replaces with value-added service platform is returned into user.
In an alternative embodiment, the net of value-added service platform can be added in the data for returning to user
Location.For example, using the website of user's access as youku.com as an example, the case where value-added service platform can provide service for youku.com
Under, the network address of youku.com is not dealt with, the network address of value-added service platform is only added in downlink data.
Step S3117, shunting device add the head PPPoe of third downlink data, ectonexine VLAN ID, IP
Data compression attribute and multilink attribute, and the head PPPoe, ectonexine VLAN ID, IP data compression category will be added
The third downlink data of property and multilink attribute feeds back to user terminal, wherein third downlink data includes value-added service platform
IP address.
Specifically, in above-mentioned steps, above-mentioned third downlink data is to meet the user terminal of preset condition to send DNS and ask
After asking, data that DNS Redirect Server is returned to user terminal, wherein DNS Redirect Server is returned to user terminal
It include DNS response bag in data, DNS response bag includes value-added service platform IP.In an alternative embodiment, above-mentioned third
Downlink data can be DNS response bag.
Step S3119, screening obtains the target flow for the network address that purpose network address is value-added service platform from uplink traffic,
It removes the head PPPoe, ectonexine VLAN ID, IP data compression attribute and the multilink attribute of target flow and sends
To value-added service platform, and the 4th downlink data that value-added service platform is returned adds the head PPPoe, ectonexine virtual local area
Network mark is known, is sent to the user terminal after IP data compression attribute and multilink attribute.
Specifically, above-mentioned target flow is the flow for requesting value-added service in above-mentioned steps, i.e., purpose network address is increment
The flow of the network address of service platform.
Herein it should be noted that above-mentioned third downlink data is increment clothes after user terminal requests value-added service success
Platform be engaged in provide the downlink data that value-added service is returned to user terminal.
In an alternative embodiment, DNS response data passes through shunting device, and shunting device will restore corresponding
The head PPPoe, ectonexine Vlan, and according to attribute is negotiated, IP packet is done and issues user terminal after compressing, user terminal receives
After DNS response, web IP address is obtained, initiates to access to the address, access data pass through shunting device, shunting device Match IP
For value-added service platform IP, which is removed into the head PPPoe and ectonexine VLAN ID, IP packet is done and is compressed
Afterwards, it is forwarded to specified value-added service platform.
From the foregoing, it will be observed that DNS response bag is sent to shunting device by the application above-mentioned steps DNS Redirect Server, shunt
The head PPPoe, ectonexine VLAN ID, IP data compression attribute and the multilink category of equipment addition third downlink data
Property, and will be under the third that the head PPPoe, ectonexine VLAN ID, IP data compression attribute and multilink attribute be added
Row data feed back to user terminal, and screening obtains the target stream for the network address that purpose network address is value-added service platform from uplink traffic
Amount, removes the head PPPoe, ectonexine VLAN ID, IP data compression attribute and the multilink attribute of target flow simultaneously
It is sent to value-added service platform, and the 4th downlink data addition head PPPoe of value-added service platform return, ectonexine is virtual
It is sent to the user terminal after LAN ID, IP data compression attribute and multilink attribute, above scheme realizes DNS response bag
By shunting device, shunting device will restore the corresponding head PPPoe, ectonexine VLAN ID, IP data compression category
Property and multilink attribute, data are issued to the technical effect of user terminal, have reached user terminal to get value-added service flat
The technical purpose of value-added service is requested after the network address of platform.
Optionally, from uplink traffic screening obtain purpose network address be value-added service platform network address target flow it
Afterwards, method further include:
Step S311, shunting device by purpose network address be not value-added service platform network address target flow according to target stream
Link in amount is sent to BAS Broadband Access Server, and the 5th downlink data that BAS Broadband Access Server returns is sent to user
Terminal.
Specifically, the target flow that above-mentioned purpose network address is not the network address of value-added service platform can be value-added service platform
Value-added service cannot be provided for the network address in upper DNS request.Above-mentioned 5th downlink data is that source station passes through broadband server
The downlink data returned, wherein source station is original corresponding website in DNS request.
Optionally, in DNS Redirect Server after screening obtains meeting the DNS request of preset condition in DNS request,
Method further include:
The DNS request for being unsatisfactory for preset condition is sent to width according to the link in DNS request by step S313, shunting device
Leased line service device, and the 5th downlink data that BAS Broadband Access Server returns is sent to the user terminal.
In an alternative embodiment, certain online game address is accessed with user, using PPPoe access band as showing
Example, user terminal first issue DNS request, obtain the corresponding IP address of the network address, which passes through shunting device, shunting device
With for DNS Protocol, which is removed into the head PPPoe and ectonexine VLAN ID, after IP packet is compressed, is turned
It is dealt into specified DNS Redirect Server, DNS Redirect Server receives user's DNS request post analysis network address, and judgement can not lead to
Value-added server acceleration is crossed, therefore replys DNS response to user terminal, the IP address for including in response is source station IP, i.e., former
The corresponding IP of DNS request.User terminal obtains source station IP address after receiving DNS response, and initiates to access to the address,
It accessing data and passes through shunting device, the non-value-added service platform IP of shunting device Match IP is not modified and is sent to BAS Broadband Access Server,
The response data that source station is returned by BAS Broadband Access Server does not make an amendment by shunting server and issues user.
Optionally, in DNS Redirect Server before screening obtains meeting the DNS request of preset condition in DNS request,
Method further include: verify the permission of user terminal, wherein the step of verifying the permission of user terminal include:
Step S315 verifies the username and password of user terminal, and/or
Step S317 verifies IP address, physical address and the VLAN ID of user terminal.
The method of value-added service provided by the present embodiment is authenticated in broadband access network using user terminal
Net is verified the safety of user terminal.Specifically, the verification step include: verify user terminal user name and
Password, and/or IP address, physical address and the VLAN ID of verifying user terminal.What needs to be explained here is that existing
Technology is without judging the operation of user validation before flow guidance, and there are severe compromises, as a result, through this embodiment in
The step of 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 negotiated to obtain online IP by DHCP, point
Flow device verifies user terminal by monitoring negotiations process, and in the case where PPPoe broadband access, user passes through dialing
Access band is authenticated, shunting device is monitored dialing procedure, verified, and 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 pass through the DNS in DNS Redirect Server from the user terminal for passing through verifying
Before screening obtains meeting the DNS request of preset condition in request, the permission of user terminal is verified, has reached and has ensured that payment is used
The technical effect of the equity at family.
Optionally, after the permission of verifying user terminal, method further include:
Step S319, by the IP address for the user terminal being proved to be successful, physical address and ectonexine VLAN ID
It is stored in shunting device.
From the foregoing, it will be observed that the application above-mentioned steps pass through the IP address of user terminal that will be proved to be successful, physical address and interior
Outer layer VLAN ID is stored in shunting device, when so that requesting value-added service again by the user terminal of verifying, nothing
It need to repeat Authority Verification.
Optionally, the shunting device pre-set user terminal limit current value, when the data traffic of any user terminal is more than
When limitation, policing and shaping is carried out to the data traffic of the user terminal.
Optionally, in the present embodiment, the flow information that the shunting device is periodically reported according to user terminal is to each
Upstream and downstream bandwidth is arranged in user terminal, when the data traffic of any user terminal is more than limitation, to the number of the user terminal
Policing and shaping is carried out according to flow.Specifically, in the present embodiment, above-mentioned user terminal periodically reports bandwidth to believe to shunting device
Breath, upstream and downstream bandwidth is arranged to each object according to the information that user terminal periodically reports in shunting device, when user data process
When more than limitation, each customer flow competition in data peak period will be avoided to lead to distribution not user data traffic policing and shaping
, guarantee that server can provide stable service for a certain amount of user.
Optionally, the range of ectonexine virtual LAN bound in each port of shunting device is set.
Specifically, in the present embodiment, ectonexine virtual office bound in each port of shunting device can also be arranged
The range of domain net, for example, multiple ports can be configured in user side by shunting server, binding ectonexine is can be set in each port
Vlan range can be planned and be limited to each port user in this way.
Optionally, screening obtains purpose network address as the step of the target flow of the network address of value-added service platform from uplink traffic
Suddenly further include: shunting device is according to ectonexine VLAN ID, physical address, TCP/UDP agreement and the port TCP/UDP
It matches to screen to obtain the target flow for the network address that purpose network address is value-added service platform.
In the application above-mentioned steps, shunting device also props up other than mainly being guided according to IP matching to customer flow
It holds according to ectonexine VLAN ID, physical address, TCP/UDP agreement and the matching of the port TCP/UDP and screens second
Flow.
Optionally, the server of value-added service platform have multiple entrances, entrance respectively with the multiple port phases of shunting device
Even.
Specifically, in the present embodiment, value-added service platform can be extended to multiple entrances, and entrance is respectively and shunting device
Multiple ports, which are connected, utilizes above-mentioned matching rule, and the user data after matching is forwarded to the different entrances of value increasing platform.
Fig. 4 is according to the topological diagram of another optional offer value-added service of the embodiment of the present application 1, below with reference to Fig. 4
The method of value-added service provided by the present invention is further detailed in a kind of optional scene:
It should be noted that Fig. 4 is to do the exemplary topology diagram more finely divided to user.Assuming that broadband server is given
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, there is A, B two ends
Mouthful.
IPoE the and PPPoE user of Vlan100 can be connected to and shunt 1 port of server A, the user under Vlan100
Access increment takes platform data and imports value-added service platform from link A, and the user under Vlan200 requests Value added service data from B
Link imports value-added service platform.
As shown in the above, the method for value-added service is provided present applicant proposes a kind of, what needs to be explained here is that, lead to
Cross the method provided herein for value-added service, can also obtain it is following the utility model has the advantages that
1, the bandwidth limitation of BAS Broadband Access Server is broken through；
2, monitoring users negotiations process determines user validation, promotes safety and practicability；
3, record user negotiates option, and complete support is given in drainage process；
4, only very value-added service flow is guided, the business other than increment is not influenced；
5, this method can use under 802.1ad and 802.1Q network environment；
6, richer flow boot policy is provided；
7, increase bandwidth control strategy, lifting scheme stability and availability.
There is also the need to explanations to propose one kind in broadband by the method for the value-added service that the application is protected
Access net in provide value-added service method, break through broadband access bandwidth limitation, overcome mentioned in background technique it is existing
The defect of technology provides more good broadband service for user.
Embodiment 2
Fig. 5 is a kind of structural schematic diagram of the device of according to embodiments of the present invention 2 offer value-added service, which can be with
Method for executing the offer value-added service in embodiment 1, as shown in connection with fig. 5, which includes:
Screening module 50 screens from DNS request for DNS Redirect Server and obtains meeting the DNS of preset condition and ask
It asks, wherein the DNS request for meeting preset condition is DNS request that purpose network address in DNS request is default network address.
Specifically, DNS request can be user terminal sending, and request translates domain names into for IP in above-mentioned apparatus
Location, to find the request of corresponding server.
Wherein, it is that the DNS that the purpose network address in DNS request is default network address is asked that screening, which meets the DNS request of preset condition,
The step of asking can also include:
A. DNS request is analyzed, obtains the purpose network address in DNS request.
B. purpose network address is matched with the network address set prestored.
C. if there are purpose network address in the network address set prestored, confirm that DNS request is to meet the DNS of preset condition to ask
It asks.
In above-mentioned apparatus, the network address set prestored is that value-added service platform can provide the network address of value-added service, example
If some value-added service platform is used to provide acceleration service for video website, the video website packet with the value-added service platform cooperation
It includes: youku.com, Tencent, iqiyi.com, then the network address of youku.com, potato and iqiyi.com then belongs to the above-mentioned network address set prestored, by
In above-mentioned value-added service platform value-added service cannot be provided for mango TV, therefore, the network address of mango TV is deployed in above-mentioned prestore
Network address set.
The user terminal of return module 52, the DNS request for meeting preset condition to initiation for DNS Redirect Server returns
The IP address for returning value-added service platform requests value-added service.
Specifically, value-added service refers to the service beyond regular service range that client provides, or adopts in above-mentioned apparatus
With the service for exceeding the offer of regular service method.For example, ordinary user can watch the ordinary video of youku.com's video, but right
In some videos for needing to pay, user must become youku.com member by modes such as payments, can watch, above-mentioned to need to prop up
It is then youku.com is the value-added service that user provides that pay extra, which can provide the Video service of service,.
It is any to mention through the above steps herein it should be noted that concept the application of value-added service is not especially limited
For the method for service, it is construed as value-added service.
Access modules 54 request value-added service by the IP address of value-added service platform for user terminal.
Fig. 3 is according to the topological diagram of the optional offer value-added service of one kind of the embodiment of the present application 1, in a kind of optional reality
It applies in example, example as shown in connection with fig. 3, it is assumed that the IP network section that BAS Broadband Access Server is distributed to IPoe user is
192.168.1.0/24, the IP network section distributed to PPPoe user is 192.168.2.0/24, and DNS Redirect Server IP is
192.168.9.4 value-added server IP is 192.168.9.5, any user accesses some video website, after inputting network address, uses
Family terminal first issues DNS request, obtains the corresponding IP address of the network address, and DNS Redirect Server divides after receiving user's DNS request
The network address is analysed, if the network address in DNS request belongs to the set of the network address prestored in DNS Redirect Server, determines the view
Frequency website can be accelerated by value-added service platform, and DNS Redirect Server replys DNS response to user terminal, will in response
The corresponding IP address of network address is set as value-added server IP:192.168.9.5.
In an alternative embodiment, example still as shown in connection with fig. 3, the user is with accessing certain online game
Location, user terminal first issue DNS request, obtain the corresponding IP address of the network address, and DNS Redirect Server receives user's DNS request
The post analysis network address, judgement can not be accelerated by value-added server, replied DNS response to user terminal, corresponded to network address in response
IP address be source station IP, client receive DNS response after, obtain web IP address, to the address initiate access.
It is preset from the foregoing, it will be observed that the application above-mentioned apparatus screens to obtain meeting from DNS request by DNS Redirect Server
The DNS request of condition, and with returning to the IP of value-added service platform to the user terminal that initiation meets the DNS request of preset condition
Location, user terminal request value-added service by the IP address of value-added service platform.Above scheme is sieved by DNS Redirect Server
Choosing is capable of providing the request of value-added service, and the IP of value-added service platform is returned to the terminal for being capable of providing request, so that in width
Value-added service is provided in band access net, the bandwidth limitation of broadband entrance can be broken through, provided in the network closer to user more smart
Thin and quality services.There is also the need to explanations, and the way that value-added service is provided after broadband access network is commonplace,
But offer value-added service is also immature within broadband access network, the present invention is mainly provided with after existing broadband access network
The difference of the method for value-added service is capable of providing the DNS request of value-added service screening by DNS Redirect Server, thus
So that there is the flow of the terminal of value-added service permission without flowing through BAS Broadband Access Server, the clothes of value-added service platform are obtained nearby
Business, had not only shortened the response time of customer acquisition service, but also breach limitation of the BAS Broadband Access Server to user bandwidth.
Embodiment 3
Fig. 6 is a kind of structural schematic diagram of the system of according to embodiments of the present invention 3 offer value-added service, in conjunction with Fig. 6 institute
Show, which includes:
DNS Redirect Server 60, for from DNS request screening obtain meeting the DNS request of preset condition, wherein
The DNS request for meeting preset condition is DNS request that purpose network address in DNS request is default network address；And it is pre- to initiating to meet
If the user terminal of the DNS request of condition returns to the IP address of value-added service platform；
User terminal 62, for requesting value-added service by the IP address of value-added service platform.
Specifically, value-added service refers to the service beyond regular service range that client provides, or adopts in above system
With the service for exceeding the offer of regular service method.For example, ordinary user can watch the ordinary video of youku.com's video, but right
In some videos for needing to pay, user must become youku.com member by modes such as payments, can watch, above-mentioned to need to prop up
It is then youku.com is the value-added service that user provides that pay extra, which can provide the Video service of service,.
It is any to mention through the above steps herein it should be noted that concept the application of value-added service is not especially limited
For the method for service, it is construed as value-added service.
Fig. 3 is optionally to be implemented according to the structural topology figure of the optional offer value-added service of one kind of the application a kind of
In example, example as shown in connection with 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, it is 192.168.2.0/24 to the IP network section that PPPoe user distributes, DNS Redirect Server IP is 192.168.9.4, is increased
Value server ip is 192.168.9.5, and any user accesses some video website, and after inputting network address, user terminal first issues DNS
Request, obtains the corresponding IP address of the network address, and DNS Redirect Server receives user's DNS request post analysis network address, if
Network address in DNS request belongs to the set of the network address prestored in DNS Redirect Server, then determines that the video website can pass through increasing
Value service platform is accelerated, and DNS Redirect Server is replied DNS to user terminal and responded, in response by the corresponding IP of network address
Location is set as value-added server IP:192.168.9.5.
In an alternative embodiment, example still as shown in connection with fig. 3, the user is with accessing certain online game
Location, user terminal first issue DNS request, obtain the corresponding IP address of the network address, and DNS Redirect Server receives user's DNS request
The post analysis network address, judgement can not be accelerated by value-added server, replied DNS response to user terminal, corresponded to network address in response
IP address be source station IP, client receive DNS response after, obtain web IP address, to the address initiate access.
It is preset from the foregoing, it will be observed that the application above system screens to obtain meeting from DNS request by DNS Redirect Server
The DNS request of condition, and with returning to the IP of value-added service platform to the user terminal that initiation meets the DNS request of preset condition
Location, user terminal request value-added service by the IP address of value-added service platform.Above scheme is sieved by DNS Redirect Server
Choosing is capable of providing the request of value-added service, and the IP of value-added service platform is returned to the terminal for being capable of providing request, so that in width
Value-added service is provided in band access net, the bandwidth limitation of broadband entrance can be broken through, provided in the network closer to user more smart
Thin and quality services.There is also the need to explanations, and the way that value-added service is provided after broadband access network is commonplace,
But offer value-added service is also immature within broadband access network, the present invention is mainly provided with after existing broadband access network
The difference of the method for value-added service is capable of providing the DNS request of value-added service screening by DNS Redirect Server, thus
So that there is the flow of the terminal of value-added service permission without flowing through BAS Broadband Access Server, the clothes of value-added service platform are obtained nearby
Business, had not only shortened the response time of customer acquisition service, but also breach limitation of the BAS Broadband Access Server to user bandwidth.
Optionally, above system further include:
Shunting device screens from whole uplink traffics for point and obtains DNS Protocol data, DNS Protocol data are sent
User's end is sent to DNS Redirect Server, and by the IP address for the value-added service platform that DNS Redirect Server returns
End；Wherein, DNS Protocol data initiate DNS request generation by user terminal.
In above system, before user terminal initiates DNS request, shunting device is screened from whole uplink traffics
Protocol data caused by DNS request is initiated to user terminal, can be provided to user terminal in the determination of DNS Redirect Server
In the case where value-added service, the IP address for the value-added service platform that DNS Redirect Server returns is returned into user terminal,
In the case that the judgement of DNS Redirect Server cannot provide value-added service for user terminal, the request of user terminal is forwarded to
BAS Broadband Access Server, and the source station IP address that BAS Broadband Access Server returns is returned to user terminal.
After user terminal gets the response of DNS, screening destination address in uplink traffic 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, above system further include:
Value-added server, for providing value-added service for user terminal.
Herein it should be noted that above-mentioned value-added server is 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 only containing an increment
Server.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (14)
1. a kind of provide the method for value-added service characterized by comprising
DNS Redirect Server screens the DNS request for obtaining meeting preset condition from DNS request, wherein meets described default
The DNS request of condition is the DNS request that the purpose network address in DNS request is default network address；
The DNS Redirect Server returns to value-added service to the user terminal for initiating the DNS request for meeting preset condition
The IP address of platform；
The user terminal requests value-added service by the IP address of the value-added service platform；
In DNS Redirect Server after screening obtains meeting the DNS request of preset condition in DNS request, the method is also
Include:
The DNS request for being unsatisfactory for the preset condition is sent to broadband according to the link in the DNS request and connect by shunting device
Enter server.
2. described the method according to claim 1, wherein using IPoe technology access band
DNS Redirect Server returns to the IP of value-added service platform to the user terminal for initiating the DNS request for meeting preset condition
Address, the user terminal request value-added service by the IP address of the value-added service platform, comprising:
DNS response bag is sent to shunting device by the DNS Redirect Server, wherein the DNS response bag includes the increasing
It is worth the IP address of service platform；
The shunting device is that first downstream data adds ectonexine VLAN ID, and it is virtual to add the ectonexine
The first downstream data of LAN ID is back to the user terminal, wherein the first downstream data includes described
DNS response bag；
The shunting device is screened from uplink traffic obtains the target stream for the network address that purpose network address is the value-added service platform
Amount, removes the ectonexine VLAN ID of the target flow and is forwarded to the value-added service platform, and by the increasing
The second downstream data that value service platform returns is sent to the user terminal after adding the ectonexine VLAN ID.
3. described the method according to claim 1, wherein using PPPoe technology access band
DNS Redirect Server returns to the IP of value-added service platform to the user terminal for initiating the DNS request for meeting preset condition
Address, the user terminal request value-added service by the IP address of the value-added service platform, comprising:
DNS response bag is sent to shunting device by the DNS Redirect Server, wherein the DNS response bag includes the increasing
It is worth the IP address of service platform；
The head PPPoe of the shunting device addition third downlink data, ectonexine VLAN ID, IP data compression category
Property and multilink attribute, and will the addition head PPPoe, ectonexine VLAN ID, IP data compression attribute and multilink
The third downlink data of attribute feeds back to the user terminal, wherein the third downlink data includes the increment clothes
The IP address of business platform；
The shunting device is screened from uplink traffic obtains the target stream for the network address that purpose network address is the value-added service platform
Amount, removes the head PPPoe, ectonexine VLAN ID, IP data compression attribute and the multilink category of the target flow
Property and the 4th downlink data that is sent to the value-added service platform, and the value-added service platform is returned add PPPoe head
The user terminal is sent to after portion, ectonexine VLAN ID, IP data compression attribute and multilink attribute.
4. the method according to claim 1, which is characterized in that in DNS Redirect Server from DNS
Before screening obtains meeting the DNS request of preset condition in request, the method also includes:
Shunting device screens from whole uplink traffics and obtains DNS Protocol data, wherein the DNS Protocol data are by the use
Family terminal is initiated DNS request and is generated；
The DNS Protocol data are sent to the DNS Redirect Server.
5. according to the method described in claim 4, it is characterized in that, using IPoe technology access band, by institute
It states DNS Protocol data and is sent to the DNS Redirect Server, comprising:
Remove the ectonexine VLAN ID of the DNS Protocol data；
The DNS Protocol data for removing ectonexine VLAN ID are sent to the value-added service platform.
6. according to the method described in claim 4, it is characterized in that, using PPPoe technology access band, by institute
It states DNS Protocol data and is sent to the DNS Redirect Server, comprising:
Remove the head PPPoe, ectonexine VLAN ID, IP data compression attribute and the multichain of the DNS Protocol data
Road attribute；
By remove the head PPPoe, ectonexine VLAN ID, IP data compression attribute and multilink attribute the DNS
Protocol data is sent to the value-added service platform.
7. being obtained the method according to claim 1, wherein being screened from DNS request in DNS Redirect Server
After meeting the DNS request of preset condition, the method also includes:
The 5th downlink data that the shunting device returns to the BAS Broadband Access Server is sent to the user terminal.
8. the method according to claim 1, wherein shunting device pre-set user terminal limit current value, when any
When the data traffic of user terminal is more than limitation, policing and shaping is carried out to the data traffic of the user terminal.
9. the method according to claim 1, wherein ectonexine bound in each port of setting shunting device
The range of virtual LAN.
10. according to the method in claim 2 or 3, which is characterized in that screening obtains purpose network address from the uplink traffic
For the network address of the value-added service platform target flow the step of include: the shunting device according to the ectonexine virtual office
Domain network mark knowledge, the matching of physical address, TCP/UDP agreement and the port TCP/UDP are come to screen to obtain purpose network address be the increment
The target flow of the network address of service platform.
11. according to the method described in claim 4, it is characterized in that, the server of the value-added service platform have it is multiple enter
Mouthful, the entrance is connected with the multiple ports of the shunting device respectively.
12. a kind of provide the device of value-added service characterized by comprising
Screening module screens the DNS request for obtaining meeting preset condition for DNS Redirect Server from DNS request,
In, the DNS request for meeting the preset condition is DNS request that purpose network address in DNS request is default network address；
Return module, for the DNS Redirect Server to the user terminal for initiating the DNS request for meeting preset condition
Return to the IP address of value-added service platform；
Access modules request value-added service by the IP address of the value-added service platform for the user terminal；
Described device further include: sending module is preset for screening to obtain meeting from DNS request in DNS Redirect Server
After the DNS request of condition, shunting device will be unsatisfactory for the DNS request of the preset condition according to the chain in the DNS request
Road is sent to BAS Broadband Access Server.
13. a kind of provide the system of value-added service characterized by comprising
DNS Redirect Server, for from DNS request screening obtain meeting the DNS request of preset condition, wherein meet institute
The DNS request for stating preset condition is DNS request that purpose network address in DNS request is default network address；And to initiating the satisfaction
The user terminal of the DNS request of preset condition returns to the IP address of value-added service platform；
User terminal, for requesting value-added service by the IP address of the value-added service platform；
Shunting device, for DNS Redirect Server screened from DNS request obtain meeting preset condition DNS request it
Afterwards, the DNS request for being unsatisfactory for the preset condition is sent to BAS Broadband Access Server according to the link in the DNS request.
14. system according to claim 13, which is characterized in that the shunting device is also used to from whole uplink traffics
Screening obtains DNS Protocol data, the DNS Protocol data is sent to the DNS Redirect Server, and the DNS is heavy
The IP address for the value-added service platform that orientation server returns is sent to the user terminal；
Wherein, the DNS Protocol data initiate DNS request generation by the user terminal.
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| CN107124423A (en) * | 2017-05-12 | 2017-09-01 | 深信服科技股份有限公司 | A kind of operation system access method and system based on cloud computing |
| 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 |
| 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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| 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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