CN102724303A - Advertisement propelling movement method, device and system - Google Patents

Abstract

The present invention provides an advertisement push method, device and system, wherein the method includes: a broadband remote access server BRAS receives a service access request sent by a terminal to a service server, and forwards the service access request to the service server; The BRAS receives the service access response returned by the service server to the terminal, and returns the service access response to the to the terminal, so that the terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server to obtain the advertisement page pushed by the advertisement server during service access. The invention realizes the advertisement pushing in the service process of using the terminal.

Description

Advertisement pushing method, device and system

technical field

The present invention relates to communication technology, in particular to an advertisement pushing method, device and system.

Background technique

At present, all operators provide broadband access services to their users by deploying Wireless Local Area Networks (WLAN for short) in hotspot areas; , referred to as: AP) after establishing an association and obtaining an IP address, the terminal opens a web page and requests to access the Internet through HTTP. The HTTP request is intercepted by an access gateway device such as an Access Controller (AC for short), and the AC intercepts the HTTP request , and send the address of the Portal server to the terminal, so that the terminal is redirected to the Portal server, and sends an HTTP request to the Portal server. The Portal server will push the Portal page to the terminal for the user to fill in the user name and password, and then submit it to an authentication server such as Radius for authentication; after the authentication is successful, the terminal can start surfing the Internet.

In the above-mentioned broadband access process, WLAN advertisement push is mostly based on the Portal method, that is, the advertisement page to be pushed is embedded on the Portal page for display, and different advertisements are pushed through different Portal pages; and, this method Since the advertisement is pushed using the Portal page during login authentication, it can only be displayed during the user login authentication process. Later, when the user is using the business, it is difficult to send advertisements to the user because the Portal server is no longer involved. Push advertisements.

Contents of the invention

The present invention provides an advertisement push method, device and system to realize advertisement push during service use.

The first aspect of the present invention is to provide an advertisement push method, including:

The broadband remote access server BRAS receives the service access request sent by the terminal to the service server, and forwards the service access request to the service server;

The BRAS receives the service access response returned by the service server to the terminal, and sends the service access The response is returned to the terminal, so that the terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server to obtain the advertisement page pushed by the advertisement server during service access.

Another aspect of the present invention is to provide an advertisement push method, including:

The advertisement server receives the advertisement request sent by the terminal during service access, the advertisement request is sent by the terminal according to the address information of the advertisement server carried in the service access response and the instruction information instructing the terminal to start the advertisement request, the address information and the indication information are set by the BRAS for forwarding the service access response sent by the service server to the terminal;

The advertisement server pushes an advertisement page to the terminal according to the advertisement request.

Another aspect of the present invention provides a broadband remote access server BRAS, including:

An information receiving unit, configured to receive a service access request sent by the terminal to the service server, and forward the service access request to the service server;

The advertisement pushing unit is configured to receive the service access response returned by the service server to the terminal, and after the service access response carries the address information of the advertisement server and the instruction information instructing the terminal to initiate an advertisement request, send the The service access response is returned to the terminal, so that the terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server to obtain the advertisement page pushed by the advertisement server during service access.

Yet another aspect of the present invention provides an advertisement server, comprising:

An information receiving unit, configured to receive an advertisement request sent by the terminal during service access, the advertisement request is sent by the terminal according to the address information of the advertisement server carried in the service access response and the instruction information instructing the terminal to start the advertisement request, The address information and indication information are set by the BRAS for forwarding the service access response sent by the service server to the terminal;

an advertisement display unit, configured to push an advertisement page to the terminal according to the advertisement request.

Another aspect of the present invention is to provide an advertisement push system, including: the broadband remote access server BRAS described in the present invention, and the advertisement server described in the present invention.

The technical effect of the advertisement push method, device and system of the present invention is that: since the advertisement page is pushed by the advertisement server, it no longer depends on the Portal page during login authentication; The address information of the advertising server, etc., enables the terminal to obtain an advertising page from the advertising server according to the address information of the advertising server when performing a business access or use service, thereby realizing the advertisement push in the process of using the terminal.

Description of drawings

Fig. 1 is a signaling schematic diagram of an embodiment of the advertisement pushing method of the present invention;

Fig. 2 is a signaling schematic diagram of another embodiment of the advertisement pushing method of the present invention;

Fig. 3 is the structural representation of broadband remote access server BRAS of the present invention;

Fig. 4 is a schematic structural diagram of the advertisement server of the present invention;

Fig. 5 is a schematic structural diagram of an embodiment of the advertisement pushing system of the present invention.

Detailed ways

Embodiment one

Fig. 1 is a signaling schematic diagram of an embodiment of the advertisement pushing method of the present invention. As shown in Fig. 1, the advertisement pushing method includes:

101. The BRAS receives the service access request sent by the terminal;

Among them, after the terminal passes the authentication and logs in to the network, it starts to access the service, and sends an HTTP service access request to the service server, and the service access request will pass through the Broadband Remote Access Server (BRAS for short).

102. The BRAS forwards the service access request to the service server;

Wherein, when the BRAS receives a service access request to be sent from the terminal to the service server, it forwards the service access request to the service server, which means that the service access request passes through the BRAS when sent from the terminal to the service server.

103. The BRAS receives the service access response returned by the service server;

Wherein, the service access response is returned by the service server to the terminal, passes through the BRAS, and is received by the BRAS.

104. The BRAS carries the address information of the advertisement server and the instruction information instructing the terminal to start the advertisement request in the service access response;

In this embodiment, the BRAS carries the address information of the advertisement server in the service access response, and the advertisement server is a device for storing advertisement pages and pushing advertisement pages to the terminal; information, the terminal can initiate an advertisement request to the advertisement server. For example, the indication information may be an HTTP request for accessing the advertisement server or other request instructions for accessing the advertisement server.

105. The BRAS returns the service access response to the terminal;

106. The terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server;

Among them, when the terminal receives the service access response from the service server, it can initiate services to the service server, that is, usually before initiating services to the service server, the terminal will perform the above-mentioned service access request and receive the service returned by the service server After the access answer, start to use the business formally.

In this embodiment, when performing service access according to the service access response, the terminal also sends an advertisement request to the advertisement server according to the address information of the advertisement server carried in the service access response.

107. The advertisement server pushes an advertisement page to the terminal according to the advertisement request;

In the advertisement push method of this embodiment, the advertisement page is pushed by the advertisement server, and the address information of the advertisement server is carried in the service response returned by the service server to the terminal by the BRAS, so that the terminal can use the service according to the The address information of the advertisement server obtains the advertisement page from the advertisement server, thereby realizing the advertisement pushing in the service process of terminal use.

Embodiment two

Fig. 2 is a signaling schematic diagram of another embodiment of the advertisement pushing method of the present invention. As shown in Fig. 2, the advertisement pushing method includes:

201. The authentication server sends user ownership information to the BRAS;

Wherein, the authentication server can obtain the user's ownership information when the user signs up, and the user's ownership information can be, for example, user authority (high-level user, low-level user, etc.), user age, user gender, date of birth, etc. The authentication server such as Radius sends the user ownership information to the BRAS before the BRAS receives the service access response returned by the service server.

Optionally, the ownership information may be sent to the BRAS after the authentication server authenticates the user, or the authentication server may periodically send the authentication-completed user ownership information to the BRAS according to a preset time interval.

202. The BRAS stores user ownership information;

Wherein, the BRAS may store the above user ownership information, for example, in the user ownership information table in the BRAS, and the user ownership information table may include information such as the IP address of the user terminal, user rights and the like.

203. The BRAS receives the service access request sent by the terminal to the service server;

Wherein, after the terminal passes the authentication and logs in to the network, it starts to access the service, and sends an HTTP service access request to the service server, and the service access request will pass through the BRAS.

204. The BRAS parses the service access request, and obtains behavior preference information of the user corresponding to the terminal;

For example, a Deep Packet Inspection (DPI) device can be deployed on the BRAS. When a service access request of a terminal passes through the BRAS, the BRAS parses the service access request and analyzes the service access behavior of the terminal user. Obtain user behavior preference information. For example, if a terminal user requests to log in to the entertainment page of Sina (sina), it can be known that the user is an entertainment lover.

205. The BRAS forwards the service access request to the service server;

Wherein, when the BRAS receives a service access request to be sent from the terminal to the service server, it forwards the service access request to the service server, which means that the service access request passes through the BRAS when sent from the terminal to the service server.

It should be noted that 204 and 205 do not have strict execution sequence restrictions. For example, when the BRAS receives the service access request sent by the terminal, it can immediately forward it to the service server without waiting for the service access request to be parsed; in addition, The parsing process of 204 only needs to be completed before the BRAS receives the service access response returned by the service server.

206. The BRAS receives the service access response returned by the service server to the terminal;

207. The BRAS carries the address information of the advertisement server and the instruction information instructing the terminal to start the advertisement request in the service access response, and may also carry user ownership information and behavior preference information;

In this embodiment, the BRAS carries the address information of the advertisement server in the service access response, and the advertisement server is a device for storing advertisement pages and pushing advertisement pages to the terminal; information, the terminal can initiate an advertisement request to the advertisement server.

Optionally, the BRAS also carries the behavior preference information obtained in 204 in the service access response; or, may also carry the user ownership information stored in 202 in the service access response. Of course, the BRAS can choose relevant information to be set in the service access response, for example, it can carry only behavior preference information, or both behavior preference information and user ownership information, in addition to the address information and indication information of the advertisement server.

Optionally, before receiving the service access response returned by the service server to the terminal, the BRAS may also receive the advertisement push policy sent by the advertisement server. The above relevant information is carried in the response.

An example is as follows: In order to meet the dynamic advertising push needs, it is necessary to push advertisements at a certain time period (such as 3 o'clock to 5 o'clock), then the "advertisement push at 3 o'clock to 5 o'clock" is equivalent to an advertisement push strategy, the advertising server Send the advertisement push strategy to BRAS, and BRAS can implement the advertisement push strategy, and then carry the address information of the advertisement server, instruction information, user ownership information, and behavior preferences in the service access response within the time period of 3 o'clock to 5 o'clock information, etc., but the above-mentioned processing of adding information to the service access response may not be performed during the period other than 3:00-5:00, and the BRAS simply forwards the received service access response to the terminal.

Those skilled in the art can understand that the advertisement push time described here is only an example, and the advertisement push strategy can be set according to actual needs.

208. The BRAS returns the service access response to the terminal;

209. The terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server, which may carry user ownership information and behavior preference information;

Among them, when the terminal receives the service access response from the service server, it can initiate services to the service server, that is, usually before initiating services to the service server, the terminal will perform the above-mentioned service access request and receive the service returned by the service server After the access answer, start to use the business formally.

In this embodiment, when performing service access according to the service access response, the terminal also sends an advertisement request to the advertisement server according to the address information of the advertisement server carried in the service access response.

Optionally, the advertisement request may also include: user behavior preference information, and/or user ownership information; the "and/or" mentioned here means that only behavior preference information, or only User ownership information, or both behavior preference information and user ownership information. After receiving the advertisement request, the advertisement server analyzes the request to obtain the corresponding IP address of the terminal, user ownership information and behavior preference information of the terminal user.

210. The advertisement server sends a location query request to the location server;

In this embodiment, assuming that the advertisement server needs to push advertisements based on the user's behavior preference information, user ownership information, and terminal location information, the advertisement server can obtain the behavior preference information, user Ownership information, this step also needs to be performed at this time, that is, start to obtain the location information of the terminal, and send a location query request for querying the location of the terminal to the location server. The location query request carries the IP address of the terminal.

Optionally, the advertisement server may not push the advertisement according to the location information of the terminal, and then there is no need to execute steps 210-212 at this time.

211. The location server acquires the location information of the terminal;

In this embodiment, the method for the location server to obtain the location information of the terminal is as follows:

The AP scans periodically to obtain the coverage information of the terminal STAs within its coverage. The coverage information includes information such as the signal strength of the terminal, and reports such information to the AC through the CAPWAP tunnel between the AP and the AC. The content of the reporting message is as follows:

Table 1 STA coverage information reporting message

After receiving the message, the AC updates the stored coverage information of each STA. The coverage information of the STA includes the AP identifier of each AP that can cover the STA, and the coverage information of the STA reported by the AP. For example, STA_1, (AP1, SNR1; AP2, SNR2, ...); after the AC updates the coverage information of the STA, it can send a coverage update message to the location server, and the coverage update message includes the IP address of the STA (the IP address It can be obtained by querying the relevant information of the STA stored by the AC, which stores the correspondence between the IP address and the MAC address of the STA), and the coverage information of each AP on the STA (such as the identity of each AP and the corresponding STA signal strength SNR).

In this embodiment, the location server stores the location information of each AP corresponding to the AP identifier, and can obtain the location information of the STA according to the location information of each AP and the signal strength information of the STA covered by each AP. The specific calculation method can adopt a method commonly used in the art, for example, calculate the relative distance between the terminal and the AP according to the signal strength, and determine the current location of the user in combination with the deployment location of the AP; the specific method will not be repeated. The position information of the terminal mentioned here may be, for example, that the terminal is located near a store on the second floor of a plaza of a certain station.

212. The location server returns a location query response to the advertisement server, and the location query response includes the location information of the terminal;

213. The advertisement server can comprehensively push the advertisement page to the terminal based on user ownership information, behavior preference information and terminal location information;

Wherein, the advertisement server may push a corresponding advertisement page to the terminal according to the behavior preference information carried in the advertisement request, the user ownership information and the location information of the terminal.

In the advertisement push method of this embodiment, the advertisement page is pushed by the advertisement server, and the address information of the advertisement server is carried in the service response returned by the service server to the terminal by the BRAS, so that the terminal can use the service according to the The address information of the advertising server obtains the advertising page from the advertising server, thus realizing the advertisement push in the terminal use business process

Embodiment three

Fig. 3 is the structure schematic diagram of the broadband remote access server BRAS of the present invention, and this BRAS can carry out the advertisement push method of any embodiment of the present invention, only the structure of this BRAS is briefly explained here, its detailed structure and principle can be combined see method described in the examples.

As shown in Figure 3, the BRAS may include an information receiving unit 31 and an advertisement pushing unit 32; wherein, the information receiving unit 31 is configured to receive a service access request sent by the terminal to the service server, and forward the service access request to the the business server;

The advertisement push unit 32 is configured to receive the service access response returned by the service server to the terminal, and after carrying the address information of the advertisement server and the indication information instructing the terminal to initiate an advertisement request in the service access response, send The service access response is returned to the terminal, so that the terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server during service access to obtain the advertisement page pushed by the advertisement server.

Further, the BRAS may also include a service analysis unit 33, configured to analyze the service access request after receiving the service access request sent by the terminal to the service server, and obtain behavior preference information of the user corresponding to the terminal; Yes, the advertisement pushing unit 32 is further configured to carry the behavior preference information in the service access response and return it to the terminal.

Further, the information receiving unit 31 is also used to receive the user ownership information sent by the authentication server; correspondingly, the advertisement pushing unit 32 is also used to carry the user ownership information in the service access response and return it to the terminal .

Further, the advertisement push unit 32 is also configured to receive the advertisement push strategy sent by the advertisement server, the advertisement push strategy includes the time of advertisement push, so as to execute the carrying advertisement in the service access response according to the advertisement push strategy. The address information of the server and the indication information instructing the terminal to initiate an advertisement request.

Embodiment Four

Fig. 4 is a schematic structural diagram of the advertisement server of the present invention, the advertisement server can execute the advertisement push method of any embodiment of the present invention, here only a brief description of the structure of the advertisement server, its detailed structure and principle can be combined with reference method implementation example described.

As shown in Figure 4, the advertisement server may include: an information receiving unit 41 and an advertisement display unit 42; wherein, the information receiving unit 41 is used to receive an advertisement request sent by a terminal when a service is accessed, and the advertisement request is an advertisement request of the terminal According to the address information of the advertisement server carried in the service access response and the instruction information instructing the terminal to start the advertisement request, the address information and instruction information are used to forward the service access response sent by the service server to the terminal The advertisement display unit 42 set by the BRAS is configured to push an advertisement page to the terminal according to the advertisement request.

Further, the advertisement request received by the information receiving unit also includes: user behavior preference information, and/or user ownership information; correspondingly, the advertisement display unit 42 is also used to Behavior preference information and/or user ownership information to push advertising pages to the terminal.

Further, the advertisement server may further include: a location obtaining unit 43, configured to send a location query request to the location server after receiving the advertisement request sent by the terminal during service access, and receive the location information of the terminal returned by the location server. location information. Correspondingly, the advertisement display unit 42 is further configured to push an advertisement page to the terminal according to the location information of the terminal in the advertisement request.

Further, the advertisement server may also include: a policy delivery unit 44, configured to send an advertisement push policy to the BRAS before receiving the advertisement request sent by the terminal during service access, and the advertisement push policy includes the time when the advertisement is pushed , so that the BRAS sets address information and indication information in the service access response according to the advertisement push policy.

Embodiment five

Fig. 5 is a schematic structural diagram of an embodiment of the advertisement pushing system of the present invention. As shown in Fig. 5, the advertisement pushing system may include a BRAS 51 and an advertisement server 52; The corresponding device embodiments are described in the corresponding device embodiments, and details are not repeated here.

When the advertisement server includes a location acquisition unit, the advertisement push system also includes: a location server 53, configured to receive the location query request sent by the advertisement server, and obtain the location information of the terminal according to the location query request and return to the ad server.

Further, the advertisement push system further includes: a wireless access point AP54 and an access controller AC55; the AP54 is configured to obtain coverage information of the terminal, the coverage information includes terminal signal strength, and the The signal strength is reported to the AC; the AC55 is configured to store the AP identity of the AP and the coverage information of the terminal reported by the AP, and report the AP identity and coverage information to the location server; the location The server 53 stores the location information of the AP corresponding to the AP identifier, and is used to obtain the location information of the terminal according to the location information of the AP and the coverage information of the terminal.

Further, when the service analysis unit of the BRAS is also used to receive user ownership information, the advertisement push system further includes: an authentication server 56, configured to send the user ownership information to the BRAS.

In the advertisement push system of this embodiment, the advertisement page is pushed by the advertisement server, and the address information of the advertisement server is carried in the service response returned by the service server to the terminal by the BRAS, so that the terminal can use the service according to the The address information of the advertisement server obtains the advertisement page from the advertisement server, thereby realizing the advertisement pushing in the service process of terminal use.

Those of ordinary skill in the art can understand that all or part of the steps for implementing the above method embodiments can be completed by program instructions and related hardware. The aforementioned program can be stored in a computer-readable storage medium. When the program is executed, it executes the steps including the above-mentioned method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (20)

1. An advertisement push method, characterized in that, comprising: The broadband remote access server BRAS receives the service access request sent by the terminal to the service server, and forwards the service access request to the service server; The BRAS receives the service access response returned by the service server to the terminal, and sends the service access The response is returned to the terminal, so that the terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server to obtain the advertisement page pushed by the advertisement server during service access. 2. The advertisement pushing method according to claim 1, wherein, after the BRAS receives the service access request sent by the terminal to the service server, it further includes: The BRAS parses the service access request, and obtains behavior preference information of the user corresponding to the terminal; Correspondingly, after the BRAS receives the service access response returned by the service server to the terminal, the BRAS further includes: the BRAS also includes the behavior preference information in the service access response and returns it to the terminal. 3. The advertisement pushing method according to claim 1, wherein after the BRAS receives the service access response returned by the service server to the terminal, it further includes: The BRAS also carries user ownership information in the service access response and returns it to the terminal, and the user ownership information is sent to the BRAS by the authentication server. 4. The advertisement pushing method according to claim 1, wherein before the BRAS receives the service access response returned by the service server to the terminal, it further includes: The BRAS receives the advertisement push strategy sent by the advertisement server, and the advertisement push strategy includes the time of advertisement push, so as to carry out the carrying of the address information of the advertisement server in the service access response and instruct the terminal to start according to the advertisement push strategy. Instructions for the ad request. 5. An advertisement pushing method, characterized in that, comprising: The advertisement server receives the advertisement request sent by the terminal during service access, the advertisement request is sent by the terminal according to the address information of the advertisement server carried in the service access response and the instruction information instructing the terminal to start the advertisement request, the address information and the indication information are set by the BRAS for forwarding the service access response sent by the service server to the terminal; The advertisement server pushes an advertisement page to the terminal according to the advertisement request. 6. The advertisement pushing method according to claim 5, wherein the advertisement request further includes: user behavior preference information, and/or user ownership information; Correspondingly, the advertisement server pushes an advertisement page to the terminal according to the advertisement request, specifically: the advertisement server pushes an advertisement page to the terminal according to the behavior preference information and/or user ownership information in the advertisement request. advertising page. 7. The advertisement pushing method according to claim 5, characterized in that, after the advertisement server receives the advertisement request sent by the terminal during service access, further comprising: The advertisement server sends a location query request to the location server, and receives the location information of the terminal returned by the location server; Correspondingly, the advertisement server pushes an advertisement page to the terminal according to the advertisement request, specifically: the advertisement server pushes an advertisement page to the terminal according to the location information of the terminal in the advertisement request. 8. The advertisement pushing method according to claim 5, further comprising: before the advertisement server receives the advertisement request sent by the terminal during service access, The advertisement server sends an advertisement push policy to the BRAS, the advertisement push policy includes the time of advertisement push, so that the BRAS sets the address information and indication information in the service access response according to the advertisement push policy . 9. A broadband remote access server BRAS, characterized in that it comprises: An information receiving unit, configured to receive a service access request sent by the terminal to the service server, and forward the service access request to the service server; The advertisement pushing unit is configured to receive the service access response returned by the service server to the terminal, and after the service access response carries the address information of the advertisement server and the instruction information instructing the terminal to initiate an advertisement request, send the The service access response is returned to the terminal, so that the terminal sends an advertisement request to the advertisement server according to the address information of the advertisement server to obtain the advertisement page pushed by the advertisement server during service access. 10. The BRAS according to claim 9, further comprising: The service analysis unit is configured to analyze the service access request after receiving the service access request sent by the terminal to the service server, and obtain behavior preference information of the user corresponding to the terminal; Correspondingly, the advertisement pushing unit is further configured to carry the behavior preference information in the service access response and return it to the terminal. 11. BRAS according to claim 9, is characterized in that, The information receiving unit is further configured to receive user ownership information sent by the authentication server; Correspondingly, the advertisement pushing unit is further configured to carry the user ownership information in the service access response and return it to the terminal. 12. BRAS according to claim 9, is characterized in that, The advertisement push unit is further configured to receive the advertisement push strategy sent by the advertisement server, the advertisement push strategy includes the time of advertisement push, so as to carry out the advertisement server carrying in the service access response according to the advertisement push strategy Address information and indication information instructing the terminal to initiate an advertisement request. 13. An advertising server, comprising: An information receiving unit, configured to receive an advertisement request sent by the terminal during service access, the advertisement request is sent by the terminal according to the address information of the advertisement server carried in the service access response and the instruction information instructing the terminal to start the advertisement request, The address information and indication information are set by the BRAS for forwarding the service access response sent by the service server to the terminal; an advertisement display unit, configured to push an advertisement page to the terminal according to the advertisement request. 14. The advertisement server according to claim 13, wherein the advertisement request received by the information receiving unit further includes: user behavior preference information, and/or user ownership information; Correspondingly, the advertisement display unit is further configured to push an advertisement page to the terminal according to the behavior preference information and/or user ownership information in the advertisement request. 15. The advertisement server according to claim 13, further comprising: The location acquisition unit is configured to send a location query request to a location server after receiving the advertisement request sent by the terminal during service access, and receive the location information of the terminal returned by the location server; Correspondingly, the advertisement display unit is further configured to push an advertisement page to the terminal according to the location information of the terminal in the advertisement request. 16. The advertisement server according to claim 13, further comprising: A strategy delivery unit, configured to send an advertisement push strategy to the BRAS before receiving the advertisement request sent by the terminal during service access, the advertisement push strategy includes the time of advertisement push, so that the BRAS can use the advertisement push strategy according to the advertisement push strategy during the service visit Address information and instruction information are set in the response. 17. An advertisement pushing system, comprising: the broadband remote access server BRAS according to any one of claims 9-12, and the advertisement server according to any one of claims 13-16. 18. The advertisement pushing system according to claim 17, wherein when the advertisement server includes a location acquisition unit, the advertisement pushing system further comprises: The location server is configured to receive the location query request sent by the advertisement server, obtain the location information of the terminal according to the location query request, and return it to the advertisement server. 19. The advertisement push system according to claim 18, wherein the advertisement push system further comprises: a wireless access point AP and an access controller AC; The AP is configured to acquire coverage information of the terminal, where the coverage information includes terminal signal strength, and report the signal strength to the AC; The AC is configured to store the AP identity of the AP and the coverage information of the terminal reported by the AP, and report the AP identity and coverage information to a location server; The location server stores the location information of the AP corresponding to the AP identifier, and is used to obtain the location information of the terminal according to the location information of the AP and the coverage information of the terminal. 20. The advertisement pushing system according to claim 17, wherein when the business analysis unit of the BRAS is also used for receiving user ownership information, the advertisement pushing system further comprises: An authentication server, configured to send the user ownership information to the BRAS.

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