WO2013155922A1 - 移动广告分发方法及系统 - Google Patents

移动广告分发方法及系统 Download PDF

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Publication number
WO2013155922A1
WO2013155922A1 PCT/CN2013/073157 CN2013073157W WO2013155922A1 WO 2013155922 A1 WO2013155922 A1 WO 2013155922A1 CN 2013073157 W CN2013073157 W CN 2013073157W WO 2013155922 A1 WO2013155922 A1 WO 2013155922A1
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WIPO (PCT)
Prior art keywords
multicast
domain name
information
request
dns
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PCT/CN2013/073157
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English (en)
French (fr)
Inventor
黄翔
潘云波
王彪
Original Assignee
中兴通讯股份有限公司
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Publication of WO2013155922A1 publication Critical patent/WO2013155922A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H04W4/23—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel for mobile advertising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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]

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a mobile advertisement distribution method and system.
  • BACKGROUND With the rapid increase in the number of mobile terminals, the content of mobile advertisements is developing toward multimedia, and the unicast technology causes the competition of air resources to become more and more fierce, which not only brings pressure to the operator network, but also reduces the user experience.
  • the purpose of the new mobile advertising system is to solve the problem of air resource shortage caused by unicast technology when pushing advertisements in the case of a surge in the number of mobile terminals, and to use multicast technology instead of unicast technology to achieve efficient use of air resources. Reduce the pressure on the operator network and protect the user experience. Referring to FIG. 1, FIG.
  • FIG. 1 is a schematic diagram of a network architecture of a new mobile advertising system in the prior art.
  • the mobile advertisement push adopts a multicast technology; the user joins the multicast group by subscribing to the advertisement channel, and when pushing the mobile advertisement, the push group can make the multicast group.
  • the advertiser server is responsible for managing the advertiser and receiving its advertising and advertising strategies, while providing advertising analysis;
  • the advertising server is responsible for advertising to users through the network according to various advertising strategies;
  • the analysis server is responsible for receiving the user's advertisement feedback and performing statistical analysis on the advertisement feedback;
  • the user data server stores the user data and various behavior records of the user, and provides a reference for personalized and contextual advertisement push;
  • the advertisement client software runs on The mobile terminal is responsible for the user's advertising channel subscription, advertisement receiving and display, and feedback user behavior to the advertisement analysis server.
  • FIG. 2 is the same multicast group in the new mobile advertising system in the prior art. Different users access the architecture diagram from different locations. As shown in Figure 2, user A and user B are different users of the same multicast group, and are accessed by APs (Access Points) located in different locations. Both user A and user B want to obtain their location.
  • APs Access Points
  • the multicast group advertisement information; and the multicast group advertisement information at the location A and the location B are significantly different, so when the multicast source of the multicast group distributes the multicast to the user A and the user B When grouping ads, it is impossible to determine the correct ad receiving users because they cannot distinguish between ads belonging to different locations.
  • a mobile advertisement distribution method including: sending a DNS (Domain Name Server) query request to an external network;
  • the location information is carried in the DNS query request; if yes, receiving and parsing the domain name query result returned by the external network to obtain the multicast address; if not, receiving the domain name query result returned by the external network, according to the location information in the query result Matching the multicast address; adding the corresponding multicast group according to the multicast address, and sending an advertisement service request to the multicast source; receiving an advertisement sent by the multicast source to the multicast component.
  • Receiving and parsing the domain name query result returned by the external network, and obtaining the multicast address includes: parsing the domain name query result, and obtaining the multicast information; and extracting, according to the multicast information, matching the multicast information from the domain name parsing result Attribute information; According to the attribute information, a multicast address is obtained.
  • the multicast information includes current location information and network information.
  • the sending the DNS query request to the external network includes: selecting a domain name that matches the network information according to the network information, and sending the domain name resolution request to the DNS client of the terminal; the DNS client receiving the Parsing the request, querying the parsing mapping item in the local cache of the DNS client; determining whether the parsing mapping item of the domain name exists in the local cache; if not, sending a DNS query request to the external network.
  • the multicast group has a uniquely identified primary domain name, and each multicast address under the multicast group has a one-to-one correspondence with the sub-domains constructed by the primary domain name.
  • a mobile advertisement distribution system including: a terminal configured to send a DNS query request to an external network; the terminal further configured to: when carrying the location information in the DNS query request Receiving a domain name query result returned by the external network, obtaining a multicast address; when the location information is not carried in the DNS query request, matching the multicast address according to the location information in the query result; adding according to the multicast address Corresponding to the multicast group, sending an advertisement service request to the multicast source; the location information determining module is configured to determine whether the location information is carried in the DNS query request; the advertisement receiving module is configured to receive the multicast source to the multicast Group of distributed ads.
  • the terminal includes: a query request sending module, configured to send a DNS query request to the external network; the multicast address obtaining module is configured to receive and parse the domain name query result returned by the external network when the location information is carried in the DNS query request And obtaining a multicast address; the multicast address matching module is configured to receive a domain name query result returned by the external network when the location information is not carried in the DNS query request, and match the multicast address according to the location information in the query result.
  • the advertisement service request module is configured to join the corresponding multicast group according to the multicast address, and send an advertisement service request to the multicast source.
  • the advertisement service requesting module includes: a domain name parsing unit, configured to parse the domain name query result, and obtain the multicast information; and the information extracting unit is configured to extract, according to the multicast information, the multicast information from the domain name parsing result Matching attribute information; an address obtaining unit, configured to acquire a multicast address according to the attribute information.
  • the multicast information includes current location information and network side information.
  • the query request sending module of the terminal includes: a network domain name matching unit, configured to select a domain name matching the network information according to the network information, and send the domain name resolution request to the terminal DNS client
  • the DNS client is configured to receive the parsing request, query the parsing mapping entry in the local cache of the DNS client, determine whether the parsing mapping entry of the domain name exists in the local cache, and do not exist in the local cache.
  • the DNS query request is sent to the external network.
  • the multicast group has a uniquely identified primary domain name, and each multicast address under the multicast group has a one-to-one correspondence with the sub-domains constructed by the primary domain name.
  • the invention obtains a multicast address by sending a DNS query request to the external network, receiving and parsing the domain name query result returned by the external network, adding the corresponding multicast group according to the multicast address, and sending an advertisement service request to the multicast source, and receiving
  • the method for advertising the multicast source to the multicast component realizes that the multicast source of the multicast group in the novel mobile advertisement system can distinguish the mobile advertisements belonging to different locations and can determine the benefit of the correct advertisement receiving users. The effect is to improve the user experience, effectively utilize the air resources, and reduce the network pressure of the operators.
  • FIG. 1 is a schematic diagram of a network architecture of a new type of mobile advertising system
  • 2 is a schematic diagram of an access architecture of different users belonging to the same multicast group from different locations in the existing mobile advertising system
  • FIG. 3 is a schematic diagram of relationship between an existing user program, a DNS client, and a DNS server
  • FIG. 4 is a communication diagram of the present invention
  • FIG. 5 is a schematic flowchart of an embodiment of a mobile advertisement distribution method according to the present invention
  • FIG. 6 is a schematic diagram of an embodiment of a mobile advertisement distribution method according to the present invention, which receives and parses a domain name query result returned by an external network, and obtains a multicast address.
  • 7 is a schematic flow chart of an embodiment of transmitting a DNS query request to an external network in the mobile advertisement distribution method of the present invention
  • FIG. 8 is a schematic structural diagram of an embodiment of the mobile advertisement distribution system of the present invention
  • FIG. 10 is a schematic structural diagram of an embodiment of an advertisement service requesting module in a mobile advertisement distribution system according to the present invention
  • FIG. 11 is a schematic diagram of a query request sending module of a terminal in the mobile advertisement distribution system of the present invention; Schematic diagram of the structure of the embodiment.
  • the implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical solutions of the present invention will be further described below in conjunction with the drawings and specific embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. Referring to FIG. 3, FIG.
  • FIG. 3 is a schematic diagram of a relationship between an existing user program, a DNS client, and a DNS server.
  • the DNS Domain Name Server
  • the DNS Domain Name Server running process is as follows: The terminal checks the local cache information. If the required multicast address exists in the local cache information, the multicast address is directly used. If the required multicast address does not exist, a multicast address request is sent to the local DNS client; the local DNS client checks the cache information, and if the required multicast address exists in the local DNS client, the multicast address is returned. To the terminal, if the required multicast address does not exist in the local DNS client, the local DNS client sends a DNS query request to the DNS server; after receiving the query request, the DNS server returns the corresponding multicast address to the DNS.
  • FIG. 4 is a schematic diagram of the communication network connection of the present invention.
  • the communication network connection diagram shown in FIG. 4 is a basic scenario of each embodiment of the mobile advertisement distribution method and system of the present invention.
  • the multicast address refers to a multicast IP (Internet Protocol) address; in a preferred embodiment, the location-related multicast IP address refers to the expansion of the multicast IP address, A portion of the multicast IP address is used to represent location information.
  • IP Internet Protocol
  • the multicast IP address of the supermarket chain X is 224.0.2.1-224.0.2.4, wherein the supermarket IP address of the supermarket is 224.0.2.1, and the city west store publishes the advertisement.
  • the multicast IP address is 224.0.2.2
  • the multicast IP address of the North City store advertising is 224.0.2.3
  • the multicast IP address of the South City store advertising is 224.0.2.4.
  • the above multicast IP addresses are all regarded as several multicast IP addresses under the supermarket multicast group. Referring to FIG. 5, FIG. 5 is a schematic flowchart of an embodiment of a mobile advertisement distribution method according to the present invention. As shown in FIG.
  • the mobile advertisement distribution method of the present invention includes the following steps: Step S01: Send a DNS query request to an external network; The terminal checks local cache information, and if there is no domain name currently required by the system in the local cache information, the terminal is externally The network sends a DNS query request to obtain the required domain name.
  • the current location information and the current network information may be carried in the DNS query request.
  • Step S03 Receive and parse the external network to return The domain name query result obtains the multicast address; the external network DNS server receives the domain name query request from the incoming DNS client, queries the domain name, and returns the domain name query result. If the location information is carried in the DNS query request sent by the terminal to the external network, the terminal receives the domain name query result returned by the external network, and parses the domain name query result, and caches the query result locally, and directly obtains the query result according to the analysis result.
  • step S04 receiving the domain name query result returned by the external network, matching the multicast address according to the location information in the query result; If the terminal does not carry the location information in the DNS query request sent by the terminal to the external network, the terminal matches the network side according to the information indicating the terminal access location included in the domain name query result after receiving the domain name query result returned by the external network.
  • Multicast address In a preferred embodiment, the information that can identify the terminal access location includes a BSSID (Basic Service Set Identifier), an SSID (Service Set Identifier), and the like.
  • Step S05 Add a corresponding multicast group according to the multicast address, and send an advertisement service request to the multicast source.
  • Step S06 Receive an advertisement sent by the multicast source to the multicast component.
  • the multicast source receives and responds to the advertisement service request sent by the system, and distributes the corresponding advertisement to the system that has joined the corresponding multicast group according to the content of the advertisement service request; the system receives the advertisement sent by the multicast source to the multicast component.
  • the mobile advertisement distribution method of the embodiment sends a DNS query request to the external network, obtains a multicast address in different manners according to whether the query request carries the location information, adds the corresponding multicast group according to the multicast address, and sends the advertisement to the multicast source.
  • the method for receiving the advertisement sent by the multicast source to the multicast component realizes that the multicast source of the multicast group in the new mobile advertisement system can distinguish the mobile advertisements belonging to different locations and can determine the correct advertisement reception.
  • the user's beneficial effects enhance the user experience.
  • FIG. 6 is a schematic flowchart of an embodiment of receiving a domain name query result obtained by an external network and acquiring a multicast address in the mobile advertisement distribution method of the present invention.
  • step S03 receiving and parsing the domain name query result returned by the external network, and obtaining the multicast address includes: Step S11: parsing the domain name query result, and acquiring the multicast information; The domain name query result returned by the external network, and the domain name query result is parsed;
  • the external network returns the domain name query result SRV (Service position) record style: $ORIGIN xmarket.mobad.com.
  • the multicast information includes terminal current location information and network information.
  • the location information of the current terminal is west.
  • Step S12 Extract, according to the multicast information, the attribute information that matches the multicast information from the domain name analysis result; and extract the attribute information that matches the location information from the parsing result according to the location information of the current terminal acquired in step S11. .
  • the current location information is obtained as west according to step S11, and the attribute information matching the location information is extracted from the domain name resolution result, that is, the SRV record, and the corresponding entry west.xmarket.mobad.com is found.
  • Step S13 Obtain a multicast address according to the attribute information. According to the attribute information extracted in step S12, the analysis result is queried, and the multicast address is obtained according to the attribute information. In a preferred embodiment, the parsed corresponding multicast address is obtained from the SRV record according to the discovered attribute information west.xmarket.mobad.com as 224.0.2.1.
  • the mobile advertisement distribution method of the embodiment obtains the multicast information by parsing the domain name query result, extracts the attribute information matching the multicast information from the domain name analysis result according to the multicast information, and acquires the multicast address according to the attribute information, thereby implementing
  • the multicast source of the multicast group in the new mobile advertising system can distinguish the mobile advertisements belonging to different locations and can determine the beneficial effects of the correct advertisement receiving users, and further improve the user experience.
  • FIG. 7 is a schematic flowchart of an embodiment of transmitting a DNS query request to an external network in the mobile advertisement distribution method of the present invention.
  • the step S01 the step of sending a DNS query request to the external network includes: Step S21: selecting a domain name matching the network information according to the network information, and sending the domain name resolution request To the terminal's DNS client; the terminal obtains the network information of the current access network, and the network information includes location information carrying the AP (Accessing Point) information, such as the BSSID of the AP; the external network responds to the request of the terminal, and returns to the location information.
  • AP Accessing Point
  • the terminal is authenticated from AAA (Authentication Authorization) Account, authentication and authorization accounting)
  • AAA Authentication Authorization
  • the server downloads a configuration entry that includes the correspondence between the BSSID of the AP and the location information; or responds to the request by the application server that provides the location service in the external network, according to the AP information carried in the request, such as the BSSID of the AP. , returns the corresponding location information.
  • the SSID of the current access network is ssid_l; the terminal selects a domain name matching the network information box according to the network information, and sends the domain name to the DNS client, requesting the DNS client to parse the domain name.
  • the terminal wishes to accept a mobile advertisement of Supermarket X, the domain name of which is xmarket.mobad.com.
  • the network information obtained by the terminal is ssid_l, and the terminal selects ssid_l.xmarket.mobad.com as the domain name matching the network information, sends the domain name to the DNS client, and requests the DNS client to parse.
  • Step S22 The DNS client receives the parsing request, and queries the parsing mapping entry in the local cache of the DNS client. After receiving the domain name resolution request from the terminal, the DNS client queries the parsing mapping entry in the local cache of the DNS client. Step S23.
  • step S24 Determining whether there is a parsing mapping entry of the domain name in the local cache; if yes, executing step S24; if not, executing step S25; step S24, using a domain name existing in the local cache; step S25, sending a DNS query request to the external network .
  • the DNS client determines whether the domain name resolution mapping entry exists in the local cache. If there is no domain name resolution mapping entry requested by the terminal in the local cache, the DNS client sends the domain name to the external network to request a DNS query. In a preferred embodiment, after the DNS client queries the local cache, and does not find the resolution mapping entry of the domain name ssid_l.xmarket.mobad.com requested in step S21, the DNS client sends the domain name to the external network for DNS. Inquire. If the domain name resolution mapping entry requested by the terminal exists in the local cache, the domain name existing in the local cache is used.
  • the method of sending a DNS query request to the external network is implemented, and a new mobile is implemented.
  • the multicast source of the multicast group in the advertisement system can distinguish the mobile advertisements belonging to different locations and can determine the beneficial effects of the correct advertisement receiving users, further improve the user experience, effectively utilize the air resources, and reduce the operation. Business network pressure.
  • FIG. 8 is a block diagram showing an embodiment of a mobile advertisement distribution system of the present invention.
  • the mobile advertisement distribution system of the present invention includes: The terminal 01 is configured to send a DNS query request to the external network.
  • the terminal 01 is further configured to: when carrying the location information in the DNS query request, receive the domain name query result returned by the external network, and obtain the multicast address; in the DNS query request When the location information is not carried, the multicast address is matched according to the location information in the query result; the corresponding multicast group is added according to the multicast address, and the advertisement service request is sent to the multicast source; the location information determining module 02 is set to determine the DNS query request.
  • the terminal 01 checks the local cache information. If the local cache information does not have the domain name currently required by the system, the terminal 01 sends a DNS query request to the external network to obtain the required domain name.
  • the current location information and the current network information may be carried in the DNS query request.
  • the network side resolves the domain name that needs to be resolved according to the DNS query request.
  • the location information determining module 02 of the terminal 01 determines whether the location information is carried in the DNS query request.
  • the DNS query request carries the location information, and adopts a different manner to obtain the multicast address.
  • the external network DNS server receives the domain name query request from the terminal 01, queries the domain name, and returns the domain name query result to the terminal 01. If the location query information is carried in the DNS query request sent by the terminal 01 to the external network, the terminal 01 receives the domain name query result returned by the external network, and parses the domain name query result, and caches the query result locally, according to the analysis result, directly Obtaining a multicast address; if the location query information is not carried in the DNS query request sent by the terminal 01 to the external network, the terminal 01 receives the domain name query result returned by the external network, and according to the domain name query result, can identify the terminal access location Information, matching the multicast address; In a preferred embodiment, the information capable of identifying the terminal access location is BSSID, SSID, and the like.
  • the terminal 01 initiates an advertisement service request to the multicast source.
  • the advertisement receiving module 03 is configured to receive an advertisement sent by the multicast source to the multicast component. After the terminal 01 joins the corresponding multicast group according to the obtained multicast address, the terminal sends an advertisement service request to the multicast source of the external network, and the multicast source receives and responds to the advertisement service request sent by the terminal 01 to the corresponding multicast group.
  • the advertisement receiving module 03 distributes the advertisement; the advertisement receiving module 03 receives the advertisement of the multicast source to the multicast component.
  • the mobile advertising distribution system of the present embodiment acquires a multicast address in a different manner according to whether the location information is carried in the query request, joins the corresponding multicast group according to the multicast address, and receives the advertisement sent by the multicast source to the multicast component.
  • the multicast source of the multicast group in the novel mobile advertisement system can distinguish the mobile advertisements belonging to different locations and can determine the beneficial effects of the correct advertisement receiving users, thereby improving the user experience.
  • FIG. 9 is a block diagram showing an embodiment of a service request module in a mobile advertisement distribution system according to the present invention.
  • the terminal 01 includes:
  • the query request sending module 011 is configured to send a DNS query request to the external network.
  • the multicast address obtaining module 012 is configured to receive and parse the domain name query result returned by the external network to obtain the multicast address when carrying the location information in the DNS query request.
  • the multicast address matching module 013 is configured to receive the domain name query result returned by the external network when the location information is not carried in the DNS query request, and match the multicast address according to the location information in the query result; the advertisement service request module 014, set In order to join the corresponding multicast group according to the multicast address, the advertisement service request is sent to the multicast source; the external network DNS server receives the domain name query request from the incoming DNS client, queries the domain name, and returns the domain name query result.
  • the multicast address obtaining module 021 when carrying the location information in the DNS query request, receives the domain name query result returned by the external network, and after the query result is locally cached, parses the domain name query result, and obtains the multicast address according to the parsing result;
  • the multicast address matching module 013 when the location information is not carried in the DNS query request, receives the domain name query result returned by the external network, and matches the multicast address according to the location information in the query result;
  • the advertisement service request module 014 is based on the obtained multicast After the address is added to the corresponding multicast group by using the multicast address, the advertisement service request is sent to the external network.
  • the mobile advertising distribution system of the present embodiment acquires a multicast address in a different manner according to whether the location information is carried in the query request, and joins the corresponding multicast group according to the multicast address and receives the advertisement of the multicast source to the multicast component.
  • the multicast source of the multicast group in the novel mobile advertisement system can distinguish the mobile advertisements belonging to different locations and can determine the beneficial effects of the correct advertisement receiving users, thereby improving the user experience.
  • FIG. 10 is a schematic structural diagram of an embodiment of an advertisement service requesting module in a mobile advertisement distribution system according to the present invention.
  • the advertisement service requesting module 014 in the advertisement distribution system of the present invention includes: a domain name resolution unit 141,
  • the domain name retrieving unit 141 receives the domain name query result returned by the external network, and parses the domain name query result; in a preferred embodiment, the external network returns the domain name query result SRV ( Ser V ice position, service location)
  • SRV Ser V ice position, service location
  • the information matching the location information is extracted from the analysis result to obtain the multicast information.
  • the multicast information includes the current location information of the terminal and the network information.
  • the location information of the current terminal is west.
  • the information extracting unit 142 is configured to extract attribute information matching the multicast information from the domain name parsing result according to the multicast information.
  • the information extracting unit 142 extracts the parsing result. Attribute information that matches the location information.
  • the domain location parsing unit 141 obtains the current location information as west, and the information extracting unit 142 extracts the attribute information matching the location information from the domain name resolution result, that is, the SRV record, and finds the corresponding entry west.xmarket. .mobad.com.
  • the address obtaining unit 143 is configured to acquire a multicast address according to the attribute information. Based on the attribute information extracted by the information extracting unit 142, the address obtaining unit 143 queries the parsing result, and acquires the multicast address based on the attribute information.
  • the address obtaining unit 143 obtains the parsed corresponding multicast address from the SRV record according to the discovered attribute information west.xmarket.mobad.com, which is 224.0.2.1. ⁇ .
  • the multicast information is obtained by parsing the domain name query result, extracting the attribute information matching the multicast information from the domain name analysis result according to the multicast information, and obtaining the multicast address according to the attribute information, thereby realizing multicast in the new mobile advertisement system.
  • the group's multicast source can distinguish between mobile advertisements belonging to different locations and can determine the beneficial effects of the correct advertisement receiving users, further improving the user experience.
  • FIG. 11 is a schematic structural diagram of an embodiment of a query request sending module of a terminal in a mobile advertisement distribution system according to the present invention.
  • the query request sending module 011 of the terminal 01 includes: a network domain name matching unit 111, configured to select a domain name matching the network information according to the network information, and send the domain name resolution request To the terminal's DNS client.
  • the network domain name matching unit 111 of the terminal acquires the network information of the current access network, and the network information includes location information of the AP (Access Point) information, such as the BSSID of the AP (Basic Service Set)
  • the external network responds to the request of the terminal, returning location information.
  • the terminal downloads, from the AAA (Authentication Authorization Account) server, a configuration entry that includes the BSSID of the AP and the location information in the authentication process; or provides the location in the external network.
  • the application server of the service responds to the request, and returns the corresponding location information according to the AP information carried in the request, such as the BSSID of the AP.
  • the SSID (Service Set Identifier) of the current access network is ssid_1; the network domain name matching unit 111 of the terminal selects a domain name matching the network information box according to the network information, and the domain name is The DNS client 112 is sent to the DNS client 112 to request the domain name to be resolved.
  • the network domain name matching unit 111 wishes to accept the mobile advertisement of the supermarket X, and the domain name of the supermarket X is xmarket.mobad.com.
  • the network information obtained by the network domain name matching unit 111 is ssid_l, and the network domain name matching unit 111 selects ssid_l.xmarket.mobad.com as the domain name matching the network information, and sends the domain name to the DNS client 112 to request the DNS client. 112 for analysis.
  • the DNS client 112 is configured to receive the parsing request, and query the parsing mapping entry in the local cache; determine whether the domain name has a resolving mapping entry in the local cache; and when there is no domain name resolving mapping entry in the local cache, send the DNS to the external network. Query request.
  • the DNS client 112 After receiving the domain name resolution request from the network domain name matching unit 111, the DNS client 112 queries the resolution mapping entry in the local cache of the DNS client 112. The DNS client 112 determines whether there is a resolution mapping entry of the domain name in the local cache, if local If there is no domain name resolution mapping item requested by the network domain name matching unit 111 in the cache, the DNS client 112 sends the domain name to the external network to request a DNS query.
  • the network domain name matching unit 111 does not find the parsing mapping entry of the domain name ssid_l.xmarket.mobad.com requested by the network domain name matching unit 111, and the U-U DNS client 112 sends the domain name to The external network performs DNS queries. If the domain name resolution mapping item requested by the network domain name matching unit 111 exists in the local cache, the domain name existing in the local cache is used. In the mobile advertising distribution system of the present embodiment, when the DNS client determines whether there is a domain name resolution mapping item in the local cache and there is no domain name resolution mapping item in the local cache, the method of sending a DNS query request to the external network is implemented, and a new mobile is implemented.
  • the multicast source of the multicast group in the advertisement system can distinguish the mobile advertisements belonging to different locations and can determine the beneficial effects of the correct advertisement receiving users, further improve the user experience, effectively utilize the air resources, and reduce the operation.
  • Business network pressure The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patents.
  • the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

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  • Mobile Radio Communication Systems (AREA)

Abstract

本发明提供了一种移动广告分发方法及系统，上述方法包括：外部网络发送DNS查询请求；判断DNS查询请求中是否携带位置信息；若是，则接收并解析外部网络返回的域名查询结果，获取多播地址；若否，则接收外部网络返回的域名查询结果，根据所述查询结果中的位置信息，匹配多播地址；根据多播地址加入对应多播组，并向多播源发送广告业务请求；接收多播源向多播组分发的广告。通过本发明提供的方案，实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广告进行区分且能够确定正确的广告接收用户的有益效果，提高了用户体验，有效地利用了空中资源，减轻了运营商的网络压力。

Description

移动广告分发方法及系统 技术领域 本发明涉及移动通信技术领域， 尤其涉及一种移动广告分发方法及系统。 背景技术 随着移动终端数量的激增， 移动广告的内容向着多媒体发展， 单播技术导致空中 资源竞争愈发激烈， 不仅给运营商网络带来压力， 也使用户的体验有所下降。 新型移 动广告系统提出的目的是为了解决在移动终端数量激增的情况下， 单播技术在推送广 告时造成的空中资源紧张问题， 并采用多播技术代替单播技术， 实现空中资源的有效 利用， 减轻运营商网络压力， 保障用户的体验。 参照图 1， 图 1是现有技术中新型移动广告系统网络架构示意图。 如图 1所示， 在此新型移动广告系统网络架构中， 移动广告推送采用多播技术； 用户以订阅广告频 道的方式加入多播组， 当推送移动广告时， 一次推送就可以使多播组内所有的用户均 收到移动广告； 广告商服务器负责管理广告商并接收其广告及广告发布策略， 同时提 供广告分析； 广告发布服务器负责按照各种广告发布策略，通过网络向用户发布广告； 广告分析服务器负责接收用户的广告反馈， 并对广告反馈进行统计分析； 用户资料服 务器存放用户资料及用户的各种行为记录， 为个性化、 情景化的广告推送提供参考依 据； 广告客户端软件运行于移动终端， 负责用户的广告频道订阅、 广告接收与显示， 并向广告分析服务器反馈用户行为。 在无差别移动广告推送场景下， 由于不要求情景化和个性化， 因此现有技术中新 型移动广告系统的多播技术可顺利完成广告推送； 但情景化、 个性化已经成为移动广 告的重要元素， 基于位置是一种最为常见的情景化， 在推送基于位置的移动广告时， 现有技术存在以下问题： 参照图 2， 图 2是现有技术中新型移动广告系统中属于同一 多播组的不同用户从不同位置接入架构示意图。如图 2所示， 用户 A和用户 B为同属 某一多播组的不同用户， 由位于不同位置的 AP (Access Point, 接入点）接入， 用户 A 和用户 B都希望获取其所在位置的所述多播组广告信息；而位置 A和位置 B处的所述 多播组广告信息存在明显差异，因此当所述多播组的多播源向用户 A和用户 B分发所 述多播组广告时， 由于无法对分属不同位置的广告进行区分， 导致无法确定正确的广 告接收用户。 发明内容 本发明提供了一种移动广告分发方法及系统， 解决了新型移动广告系统中获取基 于位置的移动广告的多播分发问题， 提高了用户体验。 根据本发明的一个方面， 提供了一种移动广告分发方法， 包括： 向外部网络发送 DNS (Domain Name Server, 域名服务器） 查询请求； 判断所述
DNS查询请求中是否携带位置信息； 若是， 则接收并解析外部网络返回的域名查询结 果， 获取多播地址； 若否， 则接收外部网络返回的域名查询结果， 根据所述查询结果 中的位置信息， 匹配多播地址； 根据所述多播地址加入对应多播组， 并向多播源发送 广告业务请求； 接收所述多播源向所述多播组分发的广告。 所述接收并解析外部网络返回的域名查询结果， 获取多播地址包括： 解析域名查 询结果， 获取多播信息； 根据所述多播信息， 从域名解析结果中提取与所述多播信息 相匹配的属性信息； 根据所述属性信息， 获取多播地址。 所述多播信息包括当前位置信息和网络信息。 所述向外部网络发送 DNS查询请求包括：根据网络信息选择与所述网络信息相匹 配的域名， 将所述域名的解析请求发送至所述终端的 DNS客户端； 所述 DNS客户端 接收所述解析请求， 查询所述 DNS客户端本地缓存中的解析映射项； 判断所述本地缓 存中是否存在所述域名的解析映射项； 若否， 则向外部网络发送 DNS查询请求。 所述多播组拥有唯一标识的主域名， 且多播组下的各多播地址与所述主域名构建 的子域名一一对应。 根据本发明的另一个方面， 还提供了一种移动广告分发系统， 包括： 终端， 设置为向外部网络发送 DNS查询请求； 所述终端还设置为， 在所述 DNS 查询请求中携带位置信息时， 接收外部网络返回的域名查询结果， 获取多播地址； 在 所述 DNS查询请求中没有携带位置信息时，根据所述查询结果中的位置信息， 匹配多 播地址； 根据所述多播地址加入对应多播组， 向多播源发送广告业务请求； 位置信息判断模块， 设置为判断所述 DNS查询请求中是否携带位置信息； 广告接收模块， 设置为接收所述多播源向所述多播组分发的广告。 所述终端包括： 查询请求发送模块， 设置为向外部网络发送 DNS查询请求； 多播 地址获取模块， 设置为在所述 DNS查询请求中携带位置信息时，接收并解析外部网络 返回的域名查询结果， 获取多播地址； 多播地址匹配模块， 设置为在所述 DNS查询请 求中没有携带位置信息时， 接收外部网络返回的域名查询结果， 根据所述查询结果中 的位置信息， 匹配多播地址； 广告业务请求模块， 设置为根据所述多播地址加入对应 多播组， 向多播源发送广告业务请求。 所述广告业务请求模块包括： 域名解析单元， 设置为解析域名查询结果， 获取多 播信息； 信息提取单元， 设置为根据所述多播信息， 从域名解析结果中提取与所述多 播信息相匹配的属性信息； 地址获取单元， 设置为根据所述属性信息， 获取多播地址。 所述多播信息包括当前位置信息和网络侧信息。 所述终端的查询请求发送模块包括： 网络域名匹配单元， 设置为根据网络信息选 择与所述网络信息相匹配的域名，将所述域名的解析请求发送至所述终端的 DNS客户
DNS客户端， 设置为接收所述解析请求， 查询所述 DNS客户端本地缓存中的解 析映射项； 判断所述本地缓存中是否存在所述域名的解析映射项； 在所述本地缓存中 不存在所述域名的解析映射项时， 向外部网络发送 DNS查询请求。 所述多播组拥有唯一标识的主域名， 且多播组下的各多播地址与所述主域名构建 的子域名一一对应。 本发明通过向外部网络发送 DNS查询请求、接收并解析外部网络返回的域名查询 结果获取多播地址、 根据所述多播地址加入对应多播组， 并向多播源发送广告业务请 求后， 接收多播源向所述多播组分发的广告的方法， 实现了新型移动广告系统中多播 组的多播源能够对分属不同位置的移动广告进行区分且能够确定正确的广告接收用户 的有益效果， 提高了用户体验， 有效地利用了空中资源， 减轻了运营商的网络压力。 附图说明 此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部分， 本发 明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的不当限定。 在附图 中： 图 1是现有新型移动广告系统网络架构示意图; 图 2是现有新型移动广告系统中属于同一多播组的不同用户从不同位置接入架构 示意图； 图 3是现有用户程序、 DNS客户端和 DNS服务器关系示意图； 图 4是本发明通信网络连接示意图； 图 5是本发明移动广告分发方法一实施例的流程示意图； 图 6是本发明移动广告分发方法中， 接收并解析外部网络返回的域名查询结果， 获取多播地址一实施例的流程示意图； 图 7是本发明移动广告分发方法中，向外部网络发送 DNS查询请求一实施例的流 程示意图； 图 8是本发明移动广告分发系统一实施例的结构示意图； 图 9是本发明移动广告分发系统中终端一实施例的结构示意图； 图 10是本发明移动广告分发系统中广告业务请求模块一实施例的结构示意图； 图 11 是本发明移动广告分发系统中终端的查询请求发送模块一实施例的结构示 意图。 本发明目的的实现、 功能特点及优点将结合实施例， 参照附图做进一步说明。 具体实施方式 以下结合说明书附图及具体实施例进一步说明本发明的技术方案。 应当理解， 此 处所描述的具体实施例仅仅用以解释本发明， 并不用于限定本发明。 需要说明的是， 在不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互组合。 参照图 3， 图 3是现有用户程序、 DNS客户端和 DNS服务器关系示意图。 如图 3 所示， DNS (Domain Name Server, 域名服务器） 运行流程如下： 终端检查本地缓存 信息， 若本地缓存信息中存在所需的多播地址， 则直接使用该多播地址； 若本地缓存 信息中不存在所需的多播地址， 则向本地 DNS客户端发出多播地址请求； 本地 DNS 客户端检查缓存信息，若本地 DNS客户端中存在所需的多播地址，将该多播地址返回 给终端， 若本地 DNS客户端中不存在所需的多播地址， 则本地 DNS客户端向 DNS 服务器发送 DNS查询请求; DNS服务器收到查询请求后，将对应多播地址返回给 DNS 客户端， DNS客户端再将该多播地址发送给终端； 终端由 DNS客户端获得需要的多 播地址。 参照图 4， 图 4是本发明通信网络连接示意图。 如图 4所示的通信网络连接示意 图是本发明移动广告分发方法及系统各实施例的基础场景。 在本发明中， 多播地址指 的是多播 IP (Internet Protocol, 互联网协议） 地址； 在一优选的实施例中， 与位置相 关的多播 IP地址是指将多播 IP地址进行拓展， 将多播 IP地址中的一部分用于表示位 置信息。 在一优选的实施例中， 连锁超市 X 发布广告的多播 IP 地址为 224.0.2.1-224.0.2.4, 其中超市的城东卖场发布广告的多播 IP地址为 224.0.2.1， 城西卖 场发布广告的多播 IP地址为 224.0.2.2，城北卖场发布广告的多播 IP地址为 224.0.2.3， 城南卖场发布广告的多播 IP地址为 224.0.2.4。 上述多播 IP地址均看作超市多播组下 的若干个多播 IP地址。 参照图 5， 图 5是本发明移动广告分发方法一实施例的流程示意图。 如图 5所示， 本发明移动广告分发方法包括以下步骤： 步骤 S01、 向外部网络发送 DNS查询请求； 终端检查本地缓存信息， 若本地缓存信息中没有系统当前所需的域名， 则终端向 外部网络发送 DNS 查询请求， 以便获取所需要的域名。 在一优选的实施例中， DNS 查询请求中可以携带当前位置信息和当前网络信息。 步骤 S02、 判断 DNS查询请求中是否携带位置信息； 若是， 则执行步骤 S03 ; 若 否， 则执行步骤 S04; 终端向外部网络发送 DNS请求后， 网络侧根据 DNS查询请求中携带的需要解析 的域名进行解析； 同时， 终端判断 DNS查询请求中是否携带有位置信息； 因为终端需 要根据 DNS查询请求中是否携带位置信息， 而采取不同的方式来获取多播地址； 步骤 S03、 接收并解析外部网络返回的域名查询结果， 获取多播地址； 外部网络 DNS服务器接收到来 DNS客户端的域名查询请求， 对域名进行查询， 并将域名的查询结果返回。 若终端向外部网络发送的 DNS 查询请求中携带了位置信 息， 则终端接收外部网络返回的域名查询结果， 并对域名查询结果进行解析， 将查询 结果在本地缓存后， 根据解析结果， 直接获取多播地址， 步骤 S04、 接收外部网络返回的域名查询结果， 根据查询结果中的位置信息， 匹 配多播地址； 若终端向外部网络发送的 DNS查询请求中没有携带位置信息，则终端在接收了外 部网络返回的域名查询结果后， 根据域名查询结果中包含的能够标识终端接入位置的 信息， 与网络侧匹配多播地址； 在一优选的实施例中， 能够标识终端接入位置的信息 有 BSSID (Basic Service Set Identifier,基本服务区标识符）、 SSID ( Service Set Identifier, 服务集标识符） 等。 步骤 S05、 根据多播地址加入对应的多播组， 并向多播源发送广告业务请求； 根据获取的多播地址， 终端采用该多播地址加入对应的多播组后， 向外部网络发 送广告业务请求。 步骤 S06、 接收多播源向多播组分发的广告。 组播源接收并响应系统发送的广告业务请求， 根据该广告业务请求内容， 向已加 入对应多播组的系统分发对应的广告； 系统接收多播源向多播组分发的广告。 本实施例移动广告分发方法通过向外部网络发送 DNS查询请求，根据查询请求中 是否携带位置信息而采用不同的方式获取多播地址， 根据多播地址加入对应多播组并 向多播源发送广告业务请求后， 接收多播源向多播组分发的广告的方法， 实现了新型 移动广告系统中多播组的多播源能够对分属不同位置的移动广告进行区分且能够确定 正确的广告接收用户的有益效果， 提高了用户体验。
参照图 6， 图 6是本发明移动广告分发方法中， 接收并解析外部网络返回的域名 查询结果， 获取多播地址一实施例的流程示意图。 如图 6所示， 本发明移动广告分发 方法中， 步骤 S03、 接收并解析外部网络返回的域名查询结果， 获取多播地址的步骤 包括： 步骤 Sll、 解析域名查询结果， 获取多播信息； 接收外部网络返回的域名查询结果， 并解析域名查询结果； 在一优选的实施例中， 外部网络返回域名查询结果 SRV ( Service position, 服务位置） 记录的样式为： $ORIGIN xmarket.mobad.com.
west.xmarket.mobad.com A 224.0.2.1 east.xmarket.mobad.com A 224.0.2.2 north.xmarket.mobad.com A 224.0.2.3 south.xmarket.mobad.com A 224.0.2.4 从域名解析结果中提取出与位置信息相匹配的信息， 获取多播信息； 在一优选的 实施例中， 多播信息包括终端当前位置信息和网络信息。 在一优选的实施例中， 当前 终端的位置信息为 west。 步骤 S12、 根据多播信息， 从域名解析结果中提取与多播信息相匹配的属性信息; 根据步骤 S11中获取的当前终端的位置信息， 从解析结果中提取出与位置信息相 匹配的属性信息。 在一优选的实施例中， 根据步骤 S11获取当前位置信息为 west, 从 域名解析结果中即上述 SRV记录中提取与位置信息匹配的属性信息即找到相应的条 目 west.xmarket.mobad.com。 步骤 S13、 根据属性信息， 获取多播地址。 根据步骤 S12提取到的属性信息， 查询解析结果， 根据属性信息， 获取多播地址。 在一优选的实施例中， 根据发现的属性信息 west.xmarket.mobad.com， 从 SRV记录中 获取解析后的对应的多播地址为 224.0.2.1。 本实施例的移动广告分发方法通过解析域名查询结果获取多播信息， 根据多播信 息， 从域名解析结果中提取与多播信息相匹配的属性信息并根据属性信息获取多播地 址的方法， 实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广 告进行区分且能够确定正确的广告接收用户的有益效果，更进一步地提高了用户体验。
参照图 7， 图 7是本发明移动广告分发方法中， 向外部网络发送 DNS查询请求一 实施例的流程示意图。 如图 7所示， 本发明移动广告分发方法中， 步骤 S01、 向外部 网络发送 DNS查询请求的步骤包括： 步骤 S21、 根据网络信息选择与网络信息相匹配的域名， 将该域名的解析请求发 送至终端的 DNS客户端； 终端获取当前接入网络的网络信息， 网络信息中包含携带 AP (Accessing Point, 接入点） 信息的位置信息， 如 AP的 BSSID; 外部网络响应终端的请求， 返回位置信 息。 在一优选的实施例中， 终端在认证过程中， 从 AAA ( Authentication Authorization Account, 认证授权记账）服务器下载包含 AP的 BSSID与位置信息对应关系的配置表 项； 或由外部网络中的提供位置服务的应用服务器响应请求， 根据请求中携带的 AP 信息， 如 AP的 BSSID, 返回对应的位置信息。 在一优选的实施例中， 当前接入网络 的 SSID为 ssid_l ; 终端根据网络信息， 选择与网络信息箱匹配的域名， 并将该域名发 往 DNS客户端， 请求 DNS客户端对该域名进行解析； 在一优选的实施例中， 终端希 望接受超市 X的移动广告， 超市 X的域名为 xmarket.mobad.com。 同时， 终端获得的 网络信息为 ssid_l，终端选择 ssid_l.xmarket.mobad.com作为与网络信息相匹配的域名， 将该域名发往 DNS 客户端， 请求 DNS 客户端进行解析。 步骤 S22、DNS客户端接收解析请求，查询 DNS客户端本地缓存中的解析映射项； DNS客户端收到来自终端的域名解析请求后， 查询 DNS客户端本地缓存中的解 析映射项； 步骤 S23、判断本地缓存中是否存在该域名的解析映射项；若是，则执行步骤 S24; 若否， 则执行步骤 S25; 步骤 S24、 使用本地缓存中所存在的域名； 步骤 S25、 向外部网络发送 DNS查询请求。
DNS客户端判断本地缓存中是否存在上述域名的解析映射项， 若本地缓存中没有 终端请求的域名解析映射项， 则 DNS客户端发送该域名至外部网络，请求 DNS查询。 在一优选的实施例中， DNS客户端查询本地缓存后， 没有发现步骤 S21中请求解析的 域名 ssid_l.xmarket.mobad.com的解析映射项， 则 DNS客户端将该域名发往外部网络 进行 DNS查询。若本地缓存中存在终端请求的域名解析映射项， 则使用本地缓存中所 存在的域名。 本实施例移动广告分发方法通过 DNS 客户端判断本地缓存中是否存在域名的解 析映射项且在本地缓存中不存在域名的解析映射项时，向外部网络发送 DNS查询请求 的方法， 实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广告 进行区分且能够确定正确的广告接收用户的有益效果， 进一步地提高了用户体验， 有 效地利用了空中资源， 减轻了运营商的网络压力。
参照图 8， 图 8是本发明移动广告分发系统一实施例的结构示意图。 如图 8所示， 本发明移动广告分发系统包括： 终端 01， 设置为向外部网络发送 DNS查询请求； 所述终端 01还设置为， 在 DNS 查询请求中携带位置信息时， 接收外部网络返回的域名查询结果， 获取多播地址； 在 DNS查询请求中没有携带位置信息时， 根据查询结果中的位置信息， 匹配多播地址； 根据多播地址加入对应多播组， 向多播源发送广告业务请求； 位置信息判断模块 02， 设置为判断 DNS查询请求中是否携带位置信息； 终端 01检查本地缓存信息，若本地缓存信息中没有系统当前所需的域名， 则终端 01 向外部网络发送 DNS查询请求， 以便获取所需要的域名。 在一优选的实施例中， DNS查询请求中可以携带当前位置信息和当前网络信息。终端 01向外部网络发送 DNS 请求后， 网络侧根据 DNS查询请求中携带的需要解析的域名进行解析； 同时终端 01 的位置信息判断模块 02判断 DNS查询请求中是否携带位置信息；因为终端 01需要根 据 DNS查询请求中是否携带位置信息， 而采取不同的方式来获取多播地址； 外部网络 DNS服务器接收到来自终端 01 的域名查询请求， 对域名进行查询， 并将域名的查询 结果返回终端 01。 若终端 01向外部网络发送的 DNS查询请求中携带了位置信息， 则 终端 01接收外部网络返回的域名查询结果， 并对域名查询结果进行解析，将查询结果 在本地缓存后，根据解析结果，直接获取多播地址；若终端 01向外部网络发送的 DNS 查询请求中没有携带位置信息， 则终端 01在接收了外部网络返回的域名查询结果后， 根据域名查询结果中包含的能够标识终端接入位置的信息， 匹配多播地址； 在一优选 的实施例中， 能够标识终端接入位置的信息有 BSSID、 SSID等。 同时， 根据获取的多 播地址， 终端 01采用多播地址加入对应的多播组后， 向多播源发起广告业务请求。 广告接收模块 03， 设置为接收多播源向多播组分发的广告。 终端 01根据获取的多播地址加入对应的多播组后，向外部网络的多播源发送广告 业务请求， 组播源接收并响应终端 01发送的广告业务请求， 向已加入对应多播组的广 告接收模块 03分发广告； 广告接收模块 03接收多播源向多播组分发的广告。 本实施例移动广告分发系统通过根据查询请求中是否携带位置信息而采用不同的 方式获取多播地址、 根据多播地址加入对应多播组并接收多播源向多播组分发的广告 的方法， 实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广告 进行区分且能够确定正确的广告接收用户的有益效果， 提高了用户体验。
参照图 9， 图 9是本发明移动广告分发系统中业务请求模块一实施例结的构示意 图。 如图 9所示， 本发明移动广告分发系统中， 终端 01包括： 查询请求发送模块 011， 设置为向外部网络发送 DNS查询请求; 多播地址获取模块 012， 设置为在 DNS查询请求中携带位置信息时， 接收并解析 外部网络返回的域名查询结果， 获取多播地址； 多播地址匹配模块 013， 设置为在 DNS查询请求中没有携带位置信息时， 接收外 部网络返回的域名查询结果， 根据查询结果中的位置信息， 匹配多播地址； 广告业务请求模块 014， 设置为根据多播地址加入对应多播组， 向多播源发送广 告业务请求； 外部网络 DNS服务器接收到来 DNS客户端的域名查询请求， 对域名进行查询， 并将域名的查询结果返回。多播地址获取模块 021在 DNS查询请求中携带位置信息时， 接收外部网络返回的域名查询结果， 将查询结果在本地缓存后， 对域名查询结果进行 解析， 并根据解析结果， 获取多播地址； 多播地址匹配模块 013， 在 DNS查询请求中 没有携带位置信息时， 接收外部网络返回的域名查询结果， 根据查询结果中的位置信 息， 匹配多播地址； 广告业务请求模块 014根据获取的多播地址， 采用多播地址加入 对应的多播组后， 向外部网络发送广告业务请求。 本实施例移动广告分发系统通过根据查询请求中是否携带位置信息而采用不同的 方式获取多播地址， 根据多播地址加入对应多播组并接收多播源向多播组分发的广告 的方法， 实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广告 进行区分且能够确定正确的广告接收用户的有益效果， 提高了用户体验。
参照图 10， 图 10是本发明移动广告分发系统中广告业务请求模块一实施例的结 构示意图； 如图 10所示， 本发明广告分发系统中的广告业务请求模块 014包括： 域名解析单元 141， 设置为解析域名查询结果， 获取多播信息； 域名解析单元 141接收外部网络返回的域名查询结果， 并解析域名查询结果； 在 一优选的实施例中，外部网络返回所述域名查询结果 SRV ( SerVice position,服务位置） 记录的样式为：
$ORIGIN xmarket.mobad.com. west.xmarket.mobad.com A 224.0.2.1 east.xmarket.mobad.com A 224.0.2.2 north.xmarket.mobad.com A 224.0.2.3 south.xmarket.mobad.com A 224.0.2.4 域名解析单元 141从域名解析结果中提取出与位置信息相匹配的信息， 获取多播 信息； 在一优选的实施例中， 多播信息包括终端当前位置信息和网络信息。 在一优选 的实施例中， 当前终端的位置信息为 west。 信息提取单元 142， 设置为根据多播信息， 从域名解析结果中提取与多播信息相 匹配的属性信息； 根据域名解析单元 141获取的当前终端的位置信息， 信息提取单元 142从解析结 果中提取出与位置信息相匹配的属性信息。 在一优选的实施例中， 根据域名解析单元 141获取当前位置信息为 west, 信息提取单元 142从域名解析结果中即上述 SRV记录 中提取与位置信息匹配的属性信息即找到相应的条目 west.xmarket.mobad.com。 地址获取单元 143， 设置为根据属性信息， 获取多播地址。 根据信息提取单元 142提取到的属性信息， 地址获取单元 143查询解析结果， 根 据属性信息， 获取多播地址。 在一优选的实施例中， 地址获取单元 143根据发现的属 性信息 west.xmarket.mobad.com， 从 SRV 记录中获取解析后的对应的多播地址为 224.0.2.1 ο 本实施例移动广告分发系统通过解析域名查询结果获取多播信息，根据多播信息， 从域名解析结果中提取与多播信息相匹配的属性信息并根据属性信息获取多播地址的 方法， 实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广告进 行区分且能够确定正确的广告接收用户的有益效果， 更进一步地提高了用户体验。
参照图 11， 图 11是本发明移动广告分发系统中终端的查询请求发送模块一实施 例的结构示意图。 如图 11所示， 本发明移动广告分发系统中， 终端 01的查询请求发 送模块 011包括： 网络域名匹配单元 111， 设置为根据网络信息选择与网络信息相匹配的域名， 将 域名的解析请求发送至终端的 DNS客户端。 终端的网络域名匹配单元 111获取当前接入网络的网络信息， 网络信息中包含携 带 AP ( Accessing Point, 接入点）信息的位置信息， 如 AP的 BSSID (Basic Service Set
Identifier, 基本服务区标识符）； 外部网络响应终端的请求， 返回位置信息。 在一优选 的实施例中， 终端在认证过程中， 从 AAA ( Authentication Authorization Account, 认 证授权记账） 服务器下载包含 AP的 BSSID与位置信息对应关系的配置表项； 或由外 部网络中的提供位置服务的应用服务器响应请求， 根据请求中携带的 AP信息， 如 AP 的 BSSID,返回对应的位置信息。在一优选的实施例中，当前接入网络的 SSID ( Service Set Identifier, 服务集标识符）为 ssid_l ; 终端的网络域名匹配单元 111根据网络信息， 选择与网络信息箱匹配的域名， 并将域名发往 DNS客户端 112， 请求 DNS客户端 112 对域名进行解析； 在一优选的实施例中， 网络域名匹配单元 111希望接受超市 X的移 动广告， 超市 X的域名为 xmarket.mobad.com。 同时， 网络域名匹配单元 111获得的 网络信息为 ssid_l， 网络域名匹配单元 111选择 ssid_l .xmarket.mobad.com作为与网络 信息相匹配的域名，将该域名发往 DNS 客户端 112，请求 DNS 客户端 112进行解析。
DNS客户端 112， 设置为接收解析请求， 查询本地缓存中的解析映射项； 判断本 地缓存中是否存在域名的解析映射项； 在本地缓存中不存在域名的解析映射项时， 向 外部网络发送 DNS查询请求。
DNS客户端 112收到来自网络域名匹配单元 111 的域名解析请求后， 查询 DNS 客户端 112本地缓存中的解析映射项； DNS客户端 112判断本地缓存中是否存在该域 名的解析映射项， 若本地缓存中没有网络域名匹配单元 111请求的域名解析映射项， 则 DNS客户端 112发送该域名至外部网络， 请求 DNS查询。 在一优选的实施例中， DNS客户端 112查询本地缓存后， 没有发现网络域名匹配单元 111 请求解析的域名 ssid_l .xmarket.mobad.com的解析映射项， 贝 U DNS客户端 112将域名发往外部网络进 行 DNS查询。若本地缓存中存在网络域名匹配单元 111请求的域名解析映射项， 则使 用本地缓存中所存在的域名。 本实施例移动广告分发系统通过 DNS 客户端判断本地缓存中是否存在域名的解 析映射项且在本地缓存中不存在域名的解析映射项时，向外部网络发送 DNS查询请求 的方法， 实现了新型移动广告系统中多播组的多播源能够对分属不同位置的移动广告 进行区分且能够确定正确的广告接收用户的有益效果， 进一步地提高了用户体验， 有 效地利用了空中资源， 减轻了运营商的网络压力。 以上所述仅为本发明的优选实施例， 并非因此限制其专利范围， 凡是利用本发明 说明书及附图内容所作的等效结构或等效流程变换， 直接或间接运用在其他相关的技 术领域， 均同理包括在本发明的专利保护范围内。

Claims

权 利 要 求 书 、 一种移动广告分发方法， 包括：
向外部网络发送域名服务器 DNS查询请求；
判断所述 DNS查询请求中是否携带位置信息；若是，则接收并解析外部网 络返回的域名查询结果， 获取多播地址； 若否， 则接收外部网络返回的域名查 询结果， 根据所述查询结果中的位置信息， 匹配多播地址；
根据所述多播地址加入对应多播组， 并向多播源发送广告业务请求； 接收所述多播源向所述多播组分发的广告。 、 根据权利要求 1所述的移动广告分发方法， 其中， 所述接收并解析外部网络返 回的域名查询结果， 获取多播地址包括：
解析域名查询结果， 获取多播信息；
根据所述多播信息， 从域名解析结果中提取与所述多播信息相匹配的属性 信息；
根据所述属性信息， 获取多播地址。 、 根据权利要求 2所述的移动广告分发方法， 其中， 所述多播信息包括当前位置 信息和网络信息。 、 根据权利要求 1 所述的移动广告分发方法， 其中， 所述向外部网络发送 DNS 查询请求包括：
根据网络信息选择与所述网络信息相匹配的域名， 将所述域名的解析请求 发送至所述终端的 DNS客户端；
所述 DNS客户端接收所述解析请求， 查询所述 DNS客户端本地缓存中的 解析映射项；
判断所述本地缓存中是否存在所述域名的解析映射项；
若否， 则向外部网络发送 DNS查询请求。 、 根据权利要求 1至 4任一项所述的移动广告分发方法， 其中， 所述多播组拥有 唯一标识的主域名， 且多播组下的各多播地址与所述主域名构建的子域名一一 对应。 、 一种移动广告分发系统， 包括：
终端， 设置为向外部网络发送域名服务器 DNS查询请求；
所述终端还设置为，在所述 DNS查询请求中携带位置信息时，接收外部网 络返回的域名查询结果，获取多播地址；在所述 DNS查询请求中没有携带位置 信息时， 根据所述查询结果中的位置信息， 匹配多播地址； 根据所述多播地址 加入对应多播组， 向多播源发送广告业务请求；
位置信息判断模块， 设置为判断所述 DNS查询请求中是否携带位置信息； 广告接收模块， 设置为接收所述多播源向所述多播组分发的广告。 、 根据权利要求 6所述的移动广告分发系统， 其中， 所述终端包括：
查询请求发送模块， 设置为向外部网络发送 DNS查询请求；
多播地址获取模块，设置为在所述 DNS查询请求中携带位置信息时，接收 并解析外部网络返回的域名查询结果， 获取多播地址；
多播地址匹配模块， 设置为在所述 DNS查询请求中没有携带位置信息时， 接收外部网络返回的域名查询结果， 根据所述查询结果中的位置信息， 匹配多 播地址；
广告业务请求模块， 设置为根据所述多播地址加入对应多播组， 向多播源 发送广告业务请求；
所述广告业务请求模块包括：
域名解析单元， 设置为解析域名查询结果， 获取多播信息；
信息提取单元， 设置为根据所述多播信息， 从域名解析结果中提取与所述 多播信息相匹配的属性信息；
地址获取单元， 设置为根据所述属性信息， 获取多播地址。 、 根据权利要求 7所述的移动广告分发系统， 其中， 所述多播信息包括当前位置 信息和网络信息。 、 根据权利要求 7所述的移动广告分发系统， 其中， 所述终端的查询请求发送模 块包括： 网络域名匹配单元， 设置为根据网络信息选择与所述网络信息相匹配 的域名， 将所述域名的解析请求发送至所述终端的 DNS客户端；
所述 DNS客户端， 设置为接收所述解析请求， 查询所述 DNS客户端本地 缓存中的解析映射项； 判断所述本地缓存中是否存在所述域名的解析映射 ¾ 在所述本地缓存中不存在所述域名的解析映射项时，向外部网络发送 DNS查询 请求。 根据权利要求 6至 9任一项所述的移动广告分发系统， 其中， 所述多播组拥有 唯一标识的主域名， 且多播组下的各多播地址与所述主域名构建的子域名一一 对应。
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