CN101383855A - Method for obtaining computer accurate geological position information based on IP address information - Google Patents
Method for obtaining computer accurate geological position information based on IP address information Download PDFInfo
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- CN101383855A CN101383855A CNA200710070601XA CN200710070601A CN101383855A CN 101383855 A CN101383855 A CN 101383855A CN A200710070601X A CNA200710070601X A CN A200710070601XA CN 200710070601 A CN200710070601 A CN 200710070601A CN 101383855 A CN101383855 A CN 101383855A
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Abstract
The invention relates to a method for obtaining an accurate geographical position based on IP address information. The invention has the key points that a computer terminal is preserved in a location information database by an IP address (IPv6) dynamically distributed by a DHCP server, an IP address and a port number (IPv4) translated by an NAT gateway/a router as well as the accurate geographical position information of the computer terminal obtained by that a wideband accesses a server, and is published to be location information WEB service supplied for website visiting; a website visits the location information WEB service according to the IP address information of the computer terminal which is interacted with the website to obtain the accurate location information of the computer terminal, thereby personalized service based on the accurate location information is provided for a computer user.
Description
Technical field
The present invention relates to metropolitan area network (MAN:Metropolitan Area Network) and the Internet, relate in particular to the method that a kind of IP address information based on terminal is obtained the accurate geographic position information of this terminal.
Background technology
Terminal visits the Internet by inserting metropolitan area network, and domestic general access way has ADSL (Asymmetric Digital Subscriber Line: Asymmetrical Digital Subscriber Line) insert and the Ethernet access at present.The common-mode of terminal access internet is as follows: terminal is connected to the access node (AN:Access Node) of metropolitan area network Access Layer by client access device (CPE:Customer Premises Equipment), be connected to the BAS Broadband Access Server (BRAS:Broadband Remote Access Server) of metropolitan area network convergence-level then by the transmission network of metropolitan area network, undertaken inserting the Internet after the authentication by BAS Broadband Access Server.
Computer terminal for inserting metropolitan area network according to the classification of access way, has following several method can determine the geographical position of terminal:
(1) for based on ATM (Asynchronous Transfer Mode: asynchronous transfer mode) DSLAM (Digital Subscriber Line Access Multiplexers: ADSL access way digital subscriber line access multiplex), client access device is ADSL Modem, and access node is DSLAM.ADSL Modem modulates after the ethernet frame of terminal is converted to ATM cell (ATMCell), DSLAM recovers ATM cell and is sent to BAS Broadband Access Server by the ATM metropolitan area network after demodulation, BAS Broadband Access Server is converted to ethernet frame with ATM cell.Between ADSL Modem and broadband server, set up the permanent virtual circuit (PVC:Permanent Virtual Circuit) of ATM.The user carries out subscriber authentication by PPPoE (Point-to-Point Protocol over Ethernet) agreement by BAS Broadband Access Server when access internet, the user profile of verifying has comprised user's geographical location information.BAS Broadband Access Server according to and ADSL Modem between PVC information and the user profile verified, can obtain the geographical location information of terminal.
(2) for the ADSL access way based on IP DSLAM, client access device is ADSL Modem, and access node is IP DSLAM.ADSL Modem modulates after the ethernet frame of terminal is converted to ATM cell, the IP DSLAM ATM signal that after demodulation, terminates, ATM cell is converted to ethernet frame, and the ATM PVC between ADSL Modem and the IP DSLAM is mapped as VLAN (the Virtual Local Area Network: ID VLAN) of Ethernet.IP DSLAM is sent to BAS Broadband Access Server by the light metropolitan area network with ethernet frame.The user carries out subscriber authentication by the PPPoE agreement by BAS Broadband Access Server when access internet.BAS Broadband Access Server can obtain the geographical location information of terminal according to PVC information between VLAN ID, IP DSLAM and the ADSL Modem and the user profile of verifying.
(3) for the Ethernet access way, client access device is the Ethernet switch of user side, generally places in corridor or the floor; Access node is the local side Ethernet switch, generally places in sub-district or the building.Connect by category-5 cable or optical fiber between client access device and the access node, and be connected to BAS Broadband Access Server by the light metropolitan area network.Connect by the PPPoE agreement between terminal and the BAS Broadband Access Server.Insert the port of local side Ethernet switch by the sign client access device, i.e. user port, the user profile of verifying according to PPPoE can be determined the geographical position of terminal.For the Ethernet access way, have following several method can determine the user port of client access device:
A) QinQ technology, promptly VLAN Stacking carries out double labeling (Double Tag) to VLAN.Outside VLAN ID is PVID (Provider VLANID), is used for conventional VLAN and divides, and inner VLAN ID is CVID (Customer VLANID), the identifying user port information.The user carries out subscriber authentication by the PPPoE agreement by BAS Broadband Access Server when access internet.BAS Broadband Access Server can obtain the geographical location information of terminal according to CVID and user port information and the user profile verified.
B) PPPoE+ agreement expands the PPPoE agreement.Access node is intercepted and captured the protocol massages that PPPoE finds the stage (PPPoEDiscovery Stage) as the middle-agent (PPPoE Intermediate Agent) of PPPoE, to the up protocol massages insertion user port information of client access device.BAS Broadband Access Server can be determined the geographical position of client access device by user port information and the user profile of verifying.
C) VBAS (Virtual Broadband Access Server) agreement is revised the PPPoE agreement.Access node is as the middle-agent (PPPoE IntermediateAgent) of PPPoE, and after the VBAS agreement was gone into the PPPoE discovery request of equipment in BAS Broadband Access Server customer in response termination, the inquiry access node obtained user port information.BAS Broadband Access Server can be determined the geographical position of client access device by user port information and the user profile of verifying.
D) DHCP Option 82 agreements expand DHCP agreement flow process.Access node is as dhcp relay agent (DHCP Relay Agent), intercepts and captures client access device and by the DHCP protocol massages between the Dynamic Host Configuration Protocol server of BAS Broadband Access Server appointment.Access node is at up direction, user port information is inserted in the option82 field of DHCP message of intercepting and capturing, and is transmitted to Dynamic Host Configuration Protocol server.BAS Broadband Access Server can be determined the geographical position of client access device by user port information and the user profile of verifying.
In the Internet, terminal and website all be based on the IP packet alternately.If the website can obtain the accurate geographic position information of this terminal based on the IP address information of mutual with it terminal, then can carry out the business model of multiple accurate geographic position information based on terminal.
For the terminal that inserts metropolitan area network, operator generally adopts dynamic assignment IP address.Because internet ip v4 address is rare, operator generally all distributes implicit IP address to terminal, by adopting NAT technology (NAT:Network Address Translation), terminal is connected on the Internet.Network address port switch technology (NAPT:Network Address PortTranslation) is widely used in the metropolitan area network of IPv4, and it can be with middle-size and small-size network concealed internet-ip address back in a combined method.NAPT is on the IP map addresses of the inside legal internet-ip address in the external network, adds that one is distinguished this implicit IP address by the selected port numbers of NAPT equipment simultaneously on this address.
Because what terminal calcaneus rete station was mutual all is the IP address (IPv6) of dynamic assignment or the IP address of shining upon through NAT (IPv4), the website can't obtain the accurate geographic position information of terminal according to this IP address, can only navigate to the city at the metropolitan area network place of this terminal access.Cause thus based on the service of terminal accurate geographic position information and can't carry out smoothly.
Geographical position working group (Geographic Location/Privacy) has defined a series of RFC (Request For Comments) agreement for obtaining on the internet and transmitting geographical location information, agreement wherein " RFC3693-Geopriv Requirements " has defined the individual privacy of how transmitting geographical location information on the internet safely and protecting the user, agreement " GEOPRIV Layer 7 LocationConfiguration Protocol; Problem Statement and Requirements " defined terminal and how obtained the geographical location information of oneself by location configuration protocol (LCP:Location Configuration Protocol), agreement " HTTP Enabled Location Delivery " has defined terminal and how to have obtained the geographical location information of oneself by LCP agreement and HELD (HTTP Enabled Location Delivery) agreement.But these agreements all do not solve following key issue:
(1) how to obtain the precise location information of the terminal that is positioned at NAT gateway/router back, rather than with the geographical location information of NAT gateway/router instead.
(2) provide accurate geographic position information how to obtain mutual with it terminal based on the website of locating information service.
(3) how obtain the accurate geographic position information of this terminal according to the IP address of the dynamic assignment of terminal.
(4) these agreements of supporting geographical position working group to define need the device upgrade device software on the network, and the not support equipment upgrading of the network equipment of a lot of operations is arranged.
(5) when the accurate geographic position information of terminal is provided, protection user's individual privacy.
WEB service (WEB Services) is based on network, distributed modular assembly, and specific service is provided.The standard techniques standard is followed in the WEB service, and these standards make the WEB service to carry out interoperability with other compatible assemblies.The WEB service can be used the Internet protocol of standard, as HTML (Hypertext Markup Language) (HTTP:HyperText Transfer Protocol) and XML (EXtensible Markup Language), will serve issue on the internet.By these services of internet access, thereby form a distributed counting system.
Summary of the invention
The problem to be solved in the present invention is to obtain the method for this terminal accurate geographic position information for the website provides a kind of IP address information by mutual with it terminal, thereby provides personalized service based on precise location information for the terminal user.
Another problem that the present invention will solve is the terminal to the NAT gateway/router back that is positioned at operator, obtains the accurate geographic position information of this terminal according to the mutual IP address information in itself and website.
Another problem that the present invention will solve is to obtain the method for this terminal accurate geographic position information for the website provides a kind of IPv6 address information of the dynamic assignment by mutual with it terminal.
Another problem that the present invention will solve is when the accurate geographic position information of terminal is provided, and does not reveal the user's of this terminal real information, thus protection terminal user's individual privacy.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
The present invention includes transmission network, BAS Broadband Access Server, NAT gateway/router, Dynamic Host Configuration Protocol server, locating information database, locating information WEB service and the website of terminal, client access device, access node, metropolitan area network.
Described client access device, access node are formed the Access Layer of metropolitan area network, and terminal inserts metropolitan area network and passes through NAT gateway/router access internet by the metropolitan area network Access Layer.
Described BAS Broadband Access Server, Dynamic Host Configuration Protocol server, NAT gateway/router, locating information database and locating information WEB service are functional entity, both can be positioned within the physical entity, also can be positioned at different physical entities.
BAS Broadband Access Server is after by subscriber authentication, and specifying Dynamic Host Configuration Protocol server is terminal dynamic assignment IP address.Terminal is when the access internet website, use the IP address visit NAT gateway/router of dynamic assignment, be mapped to legal internet-ip address (to the then direct route of IPv6) also with this legal internet-ip address access websites by address translation by the NAT gateway/router.The NAT gateway/router is passed in the response of website, is mapped to the IP address (to the then direct route of IPv6) of the dynamic assignment of terminal by address translation and the response of website is transmitted to this terminal by the NAT gateway/router.
According to the method in the geographical position of aforesaid definite terminal, BAS Broadband Access Server can obtain the accurate geographic position information of terminal according to the access way of terminal.Described geographical position can be represented with longitude and latitude, also can use civilian form, represents as street/sub-district.In order to protect user's privacy, need carry out Fuzzy processing to the precise location information that obtains, making positioning accuracy is sub-district or street.
In terminal request Dynamic Host Configuration Protocol server dynamic assignment IP address, BAS Broadband Access Server obtains the accurate geographic position information of this terminal.During terminal maiden visit the Internet, be translated as legal internet-ip address and port numbers (IPv4) by the NAT gateway/router by the IP address of Dynamic Host Configuration Protocol server dynamic assignment.Dynamic Host Configuration Protocol server is saved to the locating information database and is issued as locating information WEB service, other website visitings of confession for the data such as accurate geographic position information of this terminal that the IP address (IPv6) of this terminal dynamic assignment, NAT gateway/router obtain for the legal internet-ip address of this terminal translation and port numbers (IPv4), by BAS Broadband Access Server.
When the terminal user asked the service of internet site, terminal used the IP address (IPv6) of dynamic assignment or communicates by letter with the website with port (IPv4) by the legal internet-ip address of NAT gateway/router mapping.The website basis is the IP address information visit locating information WEB service of mutual terminal with it, thereby obtains the precise location information of this terminal.Based on the precise location information of terminal, the website just can provide personalized service based on locating information for the terminal user.
When terminal inserts metropolitan area network at every turn again, by Dynamic Host Configuration Protocol server dynamic assignment IP address.The geographical location information of this terminal that obtains by BAS Broadband Access Server, by the legal internet-ip address of NAT gateway/router mapping and port numbers (IPv4), be updated in the locating information database by the IP address information data such as (IPv6) of Dynamic Host Configuration Protocol server dynamic assignment.
Technique effect of the present invention is:
(1) the present invention can allow the website obtain the geographical location information of this terminal according to the IP address information of mutual terminal with it, thereby provides personalized service based on precise location information for the user.Its principle is as follows: terminal is after verifying by BAS Broadband Access Server, by the Dynamic Host Configuration Protocol server dynamic assignment IP address of BAS Broadband Access Server appointment.When the access internet website, be legal internet-ip address (for IPv6 direct route then) with the IP map addresses of dynamic assignment by the NAT gateway/router.The geographical location information of the terminal that obtains by BAS Broadband Access Server, the legal internet-ip address after the mapping of NAT gateway/router and port numbers (IPv4), be recorded to the locating information database, and be issued as the WEB service by the IP address data such as (IPv6) of Dynamic Host Configuration Protocol server dynamic assignment.The website obtains the accurate geographic position information of this terminal according to the IP address information visit locating information WEB service of mutual terminal with it.When terminal inserts metropolitan area network at every turn again, by Dynamic Host Configuration Protocol server dynamic assignment IP address.The geographical location information of this terminal that obtains by BAS Broadband Access Server, by the legal internet-ip address of NAT gateway/router mapping and port numbers (IPv4), be updated in the locating information database and be issued as the WEB service by the IP address information data such as (IPv6) of Dynamic Host Configuration Protocol server dynamic assignment, guarantee that the website can obtain accurate geographic position information.
(2) the present invention can allow the website obtain to be positioned at the accurate geographic position information of the terminal after the NAT gateway/router.Its principle is as follows: the accurate geographic position information of the terminal that is provided by BAS Broadband Access Server, legal internet-ip address and port numbers data such as (IPv4) after the mapping of NAT gateway/router are recorded to the locating information database, and are issued as the WEB service.The website is according to the IP address information visit locating information WEB service of mutual terminal with it, obtains the accurate geographic position information that is positioned at terminal after the NAT gateway/router.
(3) the present invention can allow the website obtain this terminal accurate geographic position information according to the IPv6 address information of the dynamic assignment of mutual terminal with it.Its principle is as follows: the accurate geographic position information of the terminal that is provided by BAS Broadband Access Server, be recorded to the locating information database by the data such as IPv6 address of Dynamic Host Configuration Protocol server dynamic assignment, and be issued as the WEB service.The website obtains the accurate geographic position information of this terminal according to the IP address information visit locating information WEB service of mutual terminal with it.
(3) the present invention can allow the website obtain the accurate geographic position information of mutual with it terminal and need not the software of upgrade of network apparatus.Its principle is as follows: it is by the WEB method of service that the website obtains the geographical location information of terminal.The accurate geographic position information of the terminal that provides by BAS Broadband Access Server, the internet-ip address after the mapping of NAT gateway/router and port numbers (IPv4), be recorded to the locating information database, and be issued as the WEB service by the IP address information data such as (IPv6) of Dynamic Host Configuration Protocol server dynamic assignment.The website obtains the accurate geographic position information of this terminal according to the IP address information visit locating information WEB service of mutual terminal with it.The network equipment need not upgrade software.
When (4) the present invention can allow the website obtain the accurate geographic position information of mutual with it terminal, protection user's individual privacy.Its principle is as follows: the precise location information that obtains is carried out Fuzzy processing, and the granularity that makes positioning accuracy is sub-district or street.Because the mapping of IP address information to accurate geographic position information only issued by Dynamic Host Configuration Protocol server dynamic assignment and locating information WEB service in the IP address of terminal, visit locating information WEB and serve the geographical location information that obtains this terminal and the website is an IP address information according to terminal, whole process does not relate to user's real information.And the IP address of the dynamic assignment of obtaining from Dynamic Host Configuration Protocol server promptly cancels after terminal obtains the IP address again, can not traceback to user's true identity.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is based on the schematic diagram that the IP address information is obtained the method for terminal accurate geographic position
Fig. 2 is based on the schematic flow sheet that the IP address information is obtained the method for terminal accurate geographic position
Embodiment
The following description of this invention provides multiple implementation or example, describes the feature of various realizations.Described example is in order to simplify embodiment of the present invention, but is not limited only to these examples.
To be that the present invention is a kind of obtain the schematic diagram of the method for terminal accurate geographic position based on the IP address information to Fig. 1, and this invention comprises transmission network 4, BAS Broadband Access Server 5, NAT gateway/router 6, Dynamic Host Configuration Protocol server 7, metropolitan area network 11, locating information database 8, locating information WEB service 9 and the website 10 of terminal 1, client access device 2, access node 3, metropolitan area network.Wherein client access device 2, access node 3 are formed the Access Layer of metropolitan area network.Terminal 1 is connected to the BAS Broadband Access Server 5 of metropolitan area network convergence-level by the transmission network 4 of metropolitan area network Access Layer and metropolitan area network., specify to be connected to Dynamic Host Configuration Protocol server 7 and NAT gateway/router 6 by after the subscriber authentication by BAS Broadband Access Server 5.Carry out map addresses and route, the website 10 of access internet by Dynamic Host Configuration Protocol server 7 for terminal 1 distributing IP address and by NAT gateway/router 6.BAS Broadband Access Server 5 adopts certain algorithm to obtain the accurate geographic position information of terminal 1 according to the access way of terminal 1.IP address information with terminal 1 after the accurate geographic position information via Fuzzy processing of terminal 1 is saved in locating information database 8 together, and is issued as locating information WEB service 9, for website 10 visits.During the service of terminal 1 access websites 10, website 10 is according to the IP address information visit locating information WEB service 9 of mutual terminal 1 with it, obtain the accurate geographic position information of terminal 1, thereby provide personalized service for the user based on precise location information.
Fig. 2 is a kind of schematic flow sheet that obtains the method for terminal accurate geographic position based on the IP address information of the present invention.Terminal 1 at first connects with BAS Broadband Access Server 5 when inserting metropolitan area network 11, the request subscriber authentication.BAS Broadband Access Server 5 carries out authentication according to user port information and user's registration information to the user.Terminal 1 is after by subscriber authentication, Dynamic Host Configuration Protocol server 7 request distributing IP addresses to BAS Broadband Access Server 5 appointments, BAS Broadband Access Server 5 is when Dynamic Host Configuration Protocol server 7 is given in this IP address assignment request of forwarding, according to the access way of terminal 1, adopt certain algorithm to obtain the accurate geographic position information of this terminal 1.Dynamic Host Configuration Protocol server 7 is that terminal 1 distributes a dynamic IP addressing.During terminal 1 maiden visit the Internet, be translated as legal internet-ip address and port numbers (IPv4) by network address port switch technology (NAPT) by NAT gateway/router 6 by the IP address of Dynamic Host Configuration Protocol server 7 dynamic assignment.The data such as accurate geographic position information of the terminal 1 that provides by the legal internet-ip address of NAT gateway/router 6 translation and port numbers (IPv4), by the IP address information (IPv6) and the BAS Broadband Access Server 5 of Dynamic Host Configuration Protocol server 7 dynamic assignment of this terminal 1 are recorded to locating information database 8, and be issued as locating information WEB service 9, for website 10 visits.For guaranteeing after terminal 1 reconnects metropolitan area network 11, locating information WEB service 9 can provide accurate geographical location information, BAS Broadband Access Server 5 when terminal 1 is applied for the distributing IP address again with Data Update such as the geographical location information of terminal 1 and IP address informations to locating information database 8.Terminal 1 access websites 10 based on the service of locating information the time, terminal uses the IP address (IPv6) of dynamic assignment or communicates by letter with the website with port (IPv4) by the legal internet-ip address that the NAT gateway/router is shone upon.Website 10 visits locating information WEB service 9 according to the IP address information of mutual with it terminal 1 after receiving service request, obtain the accurate geographic position information of terminal 1.Website 10 provides the personalized service based on locating information according to the accurate geographic position information of terminal 1.Service response sends to NAT gateway/router 6, be mapped as implicit IP address by NAT gateway/router 6 after (to IPv6 direct route then) service response of website 10 is transmitted to terminal 1 by metropolitan area network 11.
In a most preferred embodiment of the present invention, comprise transmission network 4, BAS Broadband Access Server 5, NAT gateway/router 6, Dynamic Host Configuration Protocol server 7, metropolitan area network 11, locating information database 8, locating information WEB service 9 and the website 10 of terminal 1, client access device 2, access node 3, metropolitan area network.All devices all adopts IPv4 to communicate.Wherein client access device 2, access node 3 are formed the Access Layer of metropolitan area network.Terminal 1 is connected to the BAS Broadband Access Server 5 of metropolitan area network convergence-level by the transmission network 4 of metropolitan area network Access Layer and metropolitan area network., specify to be connected to Dynamic Host Configuration Protocol server 7 and NAT gateway/router 6 by after the subscriber authentication by BAS Broadband Access Server 5.Carry out map addresses and route, the website 10 of access internet by Dynamic Host Configuration Protocol server 7 distributing IP addresses and by NAT gateway/router 6.
The method of operation of this most preferred embodiment is as follows: terminal 1 needs IPv4 address of dynamic assignment to be used for communication when the maiden visit network.Terminal 1 at first connects with BAS Broadband Access Server 5 when inserting metropolitan area network 11, the request subscriber authentication.BAS Broadband Access Server 5 carries out authentication according to user port information and user's registration information to the user.Terminal 1 is after by subscriber authentication, Dynamic Host Configuration Protocol server 7 request distributing IP v4 addresses to BAS Broadband Access Server 5 appointments, BAS Broadband Access Server 5 is when Dynamic Host Configuration Protocol server 7 is given in this IP address assignment request of forwarding, according to the access way of terminal 1, adopt certain algorithm to obtain the accurate geographic position information of this terminal 1.Dynamic Host Configuration Protocol server 7 is that terminal 1 distributes a dynamic inner IPv4 address.NAT gateway/router 6 is translated as legal internet ip v4 address and port numbers with the IPv4 address, inside of terminal 1 by network address port switch technology (NAPT).Be recorded to locating information database 8 and be issued as locating information WEB service 9 by the legal internet ip v4 address of the terminal 1 of NAT gateway/router 6 translation and the data such as accurate geographic position information of the terminal 1 that port numbers, BAS Broadband Access Server 5 provide, for website 10 visits.For guaranteeing after terminal 1 reconnects metropolitan area network 11, locating information WEB service 9 can provide accurate geographical location information, when terminal 1 was applied for distributing IP v4 address again, Data Update such as the geographical location information of the terminal 1 that will be obtained by BAS Broadband Access Server 5 and IPv4 address information was to locating information database 8.Terminal 1 access websites 10 based on the service of locating information the time, metropolitan area network 11 is forwarded to NAT gateway/router 6 with the service request of terminal 1, NAT gateway/router 6 is legal internet ip v4 address and port numbers with the inside IPv4 map addresses of terminal 1, encapsulates the service request of terminal 1 again and service request is issued website 10 with this legal internet ip v4 address then.Website 10 visits locating information WEB service 9 according to the IP address information of mutual with it terminal 1 after receiving service request, obtain the accurate geographic position information of terminal 1.Website 10 provides the personalized service based on locating information according to the accurate geographic position information of terminal 1.Service response sends to NAT gateway/router 6, and the service response that is mapped as behind the implicit IP address website 10 by NAT gateway/router 6 is transmitted to terminal 1 by metropolitan area network 11.
In another most preferred embodiment of the present invention, comprise transmission network 4, BAS Broadband Access Server 5, NAT gateway/router 6, Dynamic Host Configuration Protocol server 7, metropolitan area network 11, locating information database 8, locating information WEB service 9 and the website 10 of terminal 1, client access device 2, access node 3, metropolitan area network.All devices is all supported IPv6.Wherein client access device 2, access node 3 are formed the Access Layer of metropolitan area network.Terminal 1 is connected to the BAS Broadband Access Server 5 of metropolitan area network convergence-level by the transmission network 4 of metropolitan area network Access Layer and metropolitan area network., specify to be connected to Dynamic Host Configuration Protocol server 7 and NAT gateway/router 6 by after the subscriber authentication by BAS Broadband Access Server 5.Carry out route, the website 10 of access internet by Dynamic Host Configuration Protocol server 7 distributing IP addresses and by NAT gateway/router 6.
The method of operation of this most preferred embodiment is as follows: terminal 1 needs IP address of dynamic assignment to be used for communication when the maiden visit network.Terminal 1 at first connects with BAS Broadband Access Server 5 when inserting metropolitan area network 11, the request subscriber authentication.BAS Broadband Access Server 5 carries out authentication according to user port information and user's registration information to the user.Terminal 1 is after by subscriber authentication, Dynamic Host Configuration Protocol server 7 request distributing IP v6 addresses to BAS Broadband Access Server 5 appointments, BAS Broadband Access Server 5 is transmitted this IP address assignment request and is given the Dynamic Host Configuration Protocol server 7 of supporting IPv6, and Dynamic Host Configuration Protocol server 7 is IPv6 address of terminal 1 dynamic assignment.BAS Broadband Access Server 5 adopts certain algorithm to obtain the accurate geographic position information of this terminal 1 according to the access way of terminal 1.Data such as the IPv6 address information of this terminal 1 and accurate geographic position information are recorded to locating information database 8, and are issued as locating information WEB service 9, for website 10 visits.For guaranteeing after terminal 1 reconnects metropolitan area network 11, locating information WEB service 9 can provide accurate geographical location information, the geographical location information of update calculation machine terminal 1 when BAS Broadband Access Server 5 is applied for distributing IP v6 address again at terminal 1, data such as the accurate geographic position information of terminal 1 and IPv6 address information are updated to locating information database 8.Terminal 1 access websites 10 based on the service of locating information the time, metropolitan area network 11 is issued website 10 with the service request of terminal 1 by NAT gateway/router 6.Website 10 visits locating information WEB service 9 according to the IPv6 address information of mutual with it terminal 1 after receiving service request, obtain the accurate geographic position information of terminal 1.Website 10 provides the personalized service based on locating information according to the accurate geographic position information of terminal 1.Service response is transmitted to terminal 1 by NAT gateway/router 6 by metropolitan area network 11.
Claims (5)
1, a kind of method of obtaining the computer accurate geological positional information based on the IP address information, comprise terminal (1), client access device (2), access node (3), the transmission network of metropolitan area network (4), BAS Broadband Access Server (5), NAT gateway/router (6), Dynamic Host Configuration Protocol server (7), metropolitan area network (11), locating information database (8), locating information WEB serves (9) and website (10), it is characterized in that: with the IP address of terminal (1) by Dynamic Host Configuration Protocol server (7) dynamic assignment, legal internet-ip address and port numbers by NAT gateway/router (6) translation, the data such as accurate geographic position information of the terminal (1) that obtains by BAS Broadband Access Server (5) are saved in locating information database (8) and are issued as locating information WEB service (9), for website (10) visit; Website (10) is according to the IP address information visit locating information WEB service (9) of mutual terminal (1) with it, obtain the precise location information of terminal (1), thereby provide personalized service for the terminal user based on precise location information.
2, the method for obtaining the computer accurate geological positional information based on the IP address information according to claim 1, it is characterized in that: data such as IP address information by preserving terminal (1) and accurate geographic position information also are issued as the WEB service, obtain the method for the accurate geographic position information of this terminal (1) for website (10) provide a kind of IP address information by mutual with it terminal (1), thereby provide personalized service for the terminal user based on precise location information.
3, the method of obtaining the computer accurate geological positional information based on the IP address information according to claim 1, it is characterized in that: by preserving the legal internet-ip address and the port numbers by NAT gateway/router (6) translation of terminal (1), the data such as accurate geographic position information of this computing terminal (1) that is obtained by BAS Broadband Access Server (5) are to locating information database (8) and be issued as locating information WEB service (9), for website (10) provide a kind of method of obtaining the accurate geographic position information of the mutual with it terminal (1) that is positioned at NAT gateway/router (6) back.
4, the method of obtaining the computer accurate geological positional information based on the IP address information according to claim 1, it is characterized in that: by preserving the IPv6 address by Dynamic Host Configuration Protocol server (7) dynamic assignment of terminal (1), the data such as accurate geographic position information of this computing terminal (1) that is obtained by BAS Broadband Access Server (5) are to locating information database (8) and be issued as locating information WEB service (9), obtain the method for the accurate geographic position information of this terminal (1) for website (10) provide the IPv6 address of the mutual with it terminal of a kind of basis (1).
5, the method for obtaining the computer accurate geological positional information based on the IP address information according to claim 1; it is characterized in that: website (10) obtain the accurate geographic position information of this terminal (1) based on the IP address information of mutual with it terminal (1); because it is street/sub-district that this geographical location information makes positioning accuracy through Fuzzy processing; and the IP address of terminal (1) is by Dynamic Host Configuration Protocol server (7) dynamic assignment; the real information that does not relate to the terminal user has been protected terminal user's individual privacy.
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| CN1202688C (en) * | 2001-10-18 | 2005-05-18 | 华为技术有限公司 | Method for estimating position of mobile station by utilizing time for receiving signal and time difference and its equipment |
| EP1575242A1 (en) * | 2004-03-12 | 2005-09-14 | Siemens Aktiengesellschaft | Exact geographical information for an internet web server through internet dialing over a telecommunications network |
| CN1845555A (en) * | 2005-04-07 | 2006-10-11 | 深圳市沃通通信服务有限公司 | Realization method and application for Internet website caller positioning technique |
| CN1964270A (en) * | 2005-11-07 | 2007-05-16 | 中兴通讯股份有限公司 | A GIS-based network equipment management system and method for organization and positioning |
| DE102005058434A1 (en) * | 2005-12-07 | 2007-06-14 | Cycos Ag | Method for accessing a mobile terminal and mobile terminal for use in a multi-cell radio network |
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