CN1567871A - A method for sending information to user terminal by network - Google Patents
A method for sending information to user terminal by network Download PDFInfo
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- CN1567871A CN1567871A CN03146217.0A CN03146217A CN1567871A CN 1567871 A CN1567871 A CN 1567871A CN 03146217 A CN03146217 A CN 03146217A CN 1567871 A CN1567871 A CN 1567871A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The invention discloses a method that network transmits information to user terminal, including: as each wireless local area network (WLAN) user terminal accesses to the WLAN, the WLAN allocates a private IP address of private network to the current access user, and the user terminal registers the allocated private IP address and identification of a private network where it is; as the network transmits information to WLAN user terminal which does not build a direct connection with it, it sends information to the user terminal according to the address information registered by the user terminal. It transmits information to user terminal on the condition that the user terminal does not build a direct connection with the current network data-transmitting unit.
Description
Technical field
The present invention relates to the information transmission technology in wireless lan (wlan) and the mobile radio communication intercommunication network, be meant that especially a kind of mobile radio communication sends the method for information to user terminal according to the private IP address of distributing for the WLAN user terminal.
Background technology
Because the user is more and more higher to the requirement of wireless access rate, WLAN (wireless local area network) (WLAN, WirelessLocal Area Network) is arisen at the historic moment, and it can provide wireless data access at a high speed in more among a small circle.WLAN (wireless local area network) comprises multiple different technologies, a widely used technical standard is IEEE802.11b at present, it adopts the 2.4GHz frequency range, the maximum data transmission rate can reach 11Mbps, use the IEEE 802.11g and bluetooth (Bluetooth) technology in addition of this frequency range, wherein, 802.11g the maximum data transmission rate can reach 54Mbps.Other new technology such as IEEE 802.11a and ETSI BRAN Hiperlan2 use the 5GHz frequency range, and maximum transmission rate also can reach 54Mbps.
Although multiple different wireless access technology is arranged, most of WLAN is used for transmitting internet agreement (IP) packet data package.For a Wireless IP network, its concrete WLAN access technology that adopts generally is transparent for the IP on upper strata.Its basic structure all is to utilize access point (AP) to finish the wireless access of user terminal, connects to form the IP transmission network by network control and connection device.
Rise and development along with the WLAN technology, WLAN and various wireless mobile communication network, such as: the intercommunication of GSM, code division multiple access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, time division duplex-S-CDMA (TD-SCDMA) system, CDMA2000 system is just becoming the emphasis of current research.In third generation partner program (3GPP) standardization body, user terminal can link to each other with internet (Internet), Intranet (Intranet) by the access network of WLAN, can also be connected with the home network of 3GPP system or the accesses network of 3GPP system via the WLAN access network, specifically be exactly, when the WLAN user terminal inserts in this locality, link to each other with the home network of 3GPP via the WLAN access network, as shown in Figure 2; When roaming, link to each other with the accesses network of 3GPP via the WLAN access network, part entity in the 3GPP accesses network respectively with the 3GPP home network in corresponding entity interconnection, such as 3GPP authentication and authorization charging (AAA) agency in the 3GPP accesses network and 3GPP authentication and authorization charging (AAA) server in the 3GPP home network; WLAN (wireless local area network) in the 3GPP accesses network inserts packet data gateway (PDG, Packet DataGateway) in critical point (WAG) and the 3GPP home network or the like, as shown in Figure 1.Wherein, Fig. 1, Fig. 2 are respectively under the roaming condition and the networking structure schematic diagram of wlan system and the intercommunication of 3GPP system under the non-roaming situation.
Referring to Fig. 1, shown in Figure 2, in the 3GPP system, mainly comprise home signature user server (HSS)/attaching position register (HLR), 3GPP aaa server, 3GPP AAA agency, WAG, packet data gateway, charging critical point (CGw)/charging information collecting system (CCF) and Online Charging System (OCS).All entities of user terminal, WLAN access network and 3GPP system have constituted the 3GPP-WLAN Internet jointly, and this 3GPP-WLAN Internet can be used as a kind of LAN service system.Wherein, the 3GPP aaa server is responsible for authentication, mandate and the charging to the user, and the charging information collecting that the WLAN access network is sent here also sends charge system to; Packet data gateway is responsible for the transfer of data from the WLAN access network to 3GPP network or other packet networks with user data; Charge system mainly receives and writes down the customer charging information that network transmits, and comprises that also OCS transmits online cost information according to online charging user's expense situation indication network is periodic, and adds up and control.
Under non-roaming situation, when the WLAN user terminal wishes directly to insert Internet/Intranet, after user terminal was finished the access authentication mandate by WLAN Access Network and aaa server (AS), user terminal can be linked into Internet/Intranet by the WLAN Access Network.If the WLAN user terminal also wishes to insert 3GPP packet switching (PS) territory business, then can be further to the business of 3GPP home network application intercommunication scene 3 (Scenario3), that is: the WLAN user terminal is initiated the service authorization request of intercommunication scene 3 to the AS of 3GPP home network, the AS of 3GPP home network carries out service authentication and mandate to this service authorization request, if success, then AS sends access grant message to user terminal, and AS distributes corresponding PDG to user terminal, after setting up the tunnel between user terminal and the PDG that distributed, can insert 3GPPPS territory business.Simultaneously, CGw/CCF and OCS are according to the network operating position recording gauge charge information of user terminal.Under roaming condition, when the WLAN user terminal wished directly to insert Internet/Intranet, user terminal can be linked into Internet/Intranet to the application of 3GPP home network by the 3GPP accesses network.If user terminal also wishes to apply for intercommunication scene 3 business, be linked into 3GPP PS territory business, then user terminal need be initiated the service authorization process to the 3GPP home network by the 3GPP accesses network, this process is carried out between the AS of user terminal and 3GPP home network equally, after authorizing successfully, AS distributes corresponding ownership PDG to user terminal, after setting up the tunnel between the PDG of user terminal by WAG in the 3GPP accesses network and distribution, user terminal gets final product the 3GPP PS territory business of access belonging network.
From said process as can be seen, user terminal is at after one or one group of service authorization success and setting up passage, and user terminal has just had corresponding IP address, just can initiate the visit to business.At this moment, user terminal can be to the related service equipment sending data of business; And because the IP address of user terminal has been carried out the route registration when inserting, therefore, this user terminal also can be accepted business service equipment in the network or other user terminal relevant with business to this user terminal to transmit data.
But, if this moment, though user terminal inserted wlan network, but also not by PDG set up with Network between passage be connected, or also the passage of not setting up the business of organizing certain or certain, and have service needed to this user terminal to transmit data this moment, comprise two kinds of situations: user terminal has inserted wlan network, but has only connected such as WLAN local services such as local internet/intranet; User terminal access WLAN also connects some business that has activated based on 3GPP PS, but inserts the business that need send data to it, does not then also have the scheme informing user terminal to connect at present and goes forward side by side the industry affair alternately.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method for a kind of network to user terminal transmission information, and between current network data transmitting element does not set up under the direct-connected situation at user terminal, and network can will transmission information send user terminal to.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of network is to the method for user terminal transmission information, and this method comprises:
When each wireless lan (wlan) user terminal inserts wlan network, the private IP address that wlan network distributes a private network for the user terminal of current access network, this user terminal is registered the private IP address of being distributed and the private network sign of self place private network; Will be when network to not when self setting up direct-connected WLAN user terminal and send information, the address information that network based this user terminal is registered is photos and sending messages under this user terminal.
Wherein, described private network is the private network in local public land mobile net (PLMN) coverage, or is the private network in the WLAN Access Network coverage.Described private network data critical point is that WLAN (wireless local area network) inserts critical point (WAG) or for local packet data gateway or be access control equipment (AC).
Described private IP address and private network sign with user terminal is registered as: the user terminal of current access network is registered in predefined station address registration and inquiry unit together with the private IP address that network distributed and the private network sign of self place private network; Or the user terminal of current access network is registered in predefined private user address registration query unit with the private IP address that network distributed, and the private network sign with this user terminal place private network is registered in the predefined station address registration and inquiry unit again.
Described private IP address and private network sign with user terminal is registered as: the network equipment is registered in predefined station address registration and inquiry unit for the private IP address of WLAN user terminal and the private network sign of this WLAN user terminal place private network network allocation together; Or the network equipment is registered in predefined private user address registration query unit for the private IP address of WLAN user terminal network allocation, and the private network sign with this user terminal place private network is registered in the predefined station address registration and inquiry unit again.Wherein, the described network equipment is DHCP (DHCP) equipment or WAG equipment or access control equipment (AC) or the equipment of being responsible for distributing private network IP address.
In the such scheme, described station address registration and inquiry unit is authentication and authorization charging server or name server (DNS); Described private user address registration query unit is private network DNS or private network data critical point.
The private network of described registered user's terminal sign and private IP address are: store current access network user terminal by the private IP address of network allocation and the private network sign of himself place private network, and set up this private IP address and private network identify with this user terminal user ID between related.
The described network based address information of registering photos and sending messages under user terminal further comprises:
The private IP address of purpose user terminal and the private network sign of place private network are inquired about and obtained to the network element that a11. will send data in the user terminal register information according to user ID;
The network element that a12. will send data is packed the private IP address of the purpose user terminal that obtains among the step a11 with the data message that will send, obtain the private network data pass port address of this purpose user terminal simultaneously according to the private network identification (RNC-ID) analytic of the purpose user terminal that obtains among the step a11, close port address according to the private network data that parse then, the data after the packing are sent to corresponding private network data critical point;
A13. described private network data critical point unpacks receiving packet, directly obtains the private IP address of purpose user terminal, will send data forwarding to the purpose user terminal according to the private IP address that is obtained again.
Perhaps, the described network based address information of registering photos and sending messages under user terminal further comprises:
The private network sign of purpose user terminal place private network is inquired about and obtained to the network element that a21. will send data in the user terminal register information according to user ID;
A22. to send the data message packing that the network element of data will send, private network according to the purpose user terminal place private network that obtains among the step a21 identifies simultaneously, parsing obtains the private network data pass port address of this purpose user terminal, close port address according to the private network data that parse then, the data after the packing are sent to corresponding private network data critical point;
A23. described private network data critical point unpacks receiving packet, contained user ID in the further resolution data bag, and the private IP address of acquisition purpose user terminal will send data forwarding to the purpose user terminal according to the private IP address that is obtained again.
This method further comprises: set in advance the mapping table between private network sign and the private network data pass port address, the network element that then will send data among step a12 and the step a22 obtains the private network data according to the mapping table parsing that sets in advance and closes port address.
This method further comprises: dynamically update the mapping table between described private network sign and the private network data pass port address, the network element that then will send data among step a12 and the step a22 obtains the private network data according to the mapping table parsing that dynamically updates and closes port address.
The described parsing by network element that will send data and name server (DNS) according to the private network sign finished alternately.Wherein, described DNS is public network DNS or is the privately owned DNS of network settings.Described parsing obtains the private network data, and to close port address be IP address or for the address of network access Identifier (NAI) form or be the address of Signaling System Number 7 (SS7) form.The network element that sends data transmits IP-based agreement or based on DIAMETER or based on the agreement of SS7 to the data at private network data critical point.
This method further comprises: before search purposes user terminal address information or in the process, finish the relevant licensing process that issues data between the network element that send data and the authentication and authorization charging unit.
Network provided by the present invention sends the method for information to user terminal, in the 3GPP-WLAN Internet, each WLAN user terminal is after inserting wlan network, wlan network distributes the private IP address of a private network will for this user terminal, and the private IP address of being distributed registered with the private network sign of self, so, mobile radio communication just can be according to the private network sign of this user terminal and the private IP address of being distributed, the data that needs are issued send to relevant user terminals, thereby have solved the data distributing problem of setting up between the network element that will send data in user terminal and the network when directly being connected.
Description of drawings
Fig. 1 is the schematic network structure of wlan system and the intercommunication of 3GPP system under the roaming condition;
Fig. 2 is the schematic network structure of wlan system and the intercommunication of 3GPP system under the non-roaming situation;
The 3GPP-WLAN service network structure one embodiment schematic diagram that Fig. 3 adopts for the present invention;
Fig. 4 realizes the schematic flow sheet that route registration and information send for the present invention;
Fig. 5 sends the schematic flow sheet of embodiment one for realization information of the present invention;
Fig. 6 sends the schematic flow sheet of embodiment two for realization information of the present invention.
Embodiment
Core concept of the present invention is: after each WLAN user terminal inserts wlan network, wlan network distributes the private IP address of a private network for this user terminal, this user terminal is registered in station address registration and inquiry unit together with the private network sign of the private IP address of being distributed and self place private network, so that with in the 3GPP-WLAN Internet will not set up under the direct-connected situation to the network data transmitting element that self sends information at self, this network data transmitting element can be according to the address information of being registered photos and sending messages under this user terminal.
Referring to shown in Figure 3, Fig. 3 is an application example schematic diagram of 3GPP-WLAN service network structure of the present invention, in this 3GPP-WLAN service network, private network data critical point links to each other with WLAN Access Network, station address allocation units, authentification of user authenticating and charging unit, network data transmitting element simultaneously, the network data transmitting element links to each other with a plurality of Packet Service service unit/service network again, and the station address allocation units link to each other with station address registration and inquiry unit again.Wherein, the station address allocation units are used to the private IP address that each WLAN user terminal distributes; Station address registration and inquiry unit is used to store the private network sign and the private IP address of each WLAN user terminal, and the network data transmitting element is will be to not connecting the network entity that user terminal sends information.Here, authentification of user authenticating and charging unit and station address registration and inquiry unit can be same network entities, and authentification of user authenticating and charging unit can adopt 3GPP AS; Station address registration and inquiry unit also can adopt 3GPP AS; The function of station address allocation units can be finished by the WLAN Access Network, also can finish by independent IP address assignment unit, such as: finish by the WAG that has DHCP (DHCP) function or be connected with DHCP equipment; The network data transmitting element can be packet data gateway (PDG); Private network data critical point can be WAG or local packet data gateway, also can be the access control equipment (AC) in the WLAN Access Network.
Based on network configuration shown in Figure 3, as shown in Figure 4, the network in the present embodiment comprises to the process that the WLAN user terminal sends information:
When step 401～403:WLAN user terminal inserts the 3GPP-WLAN Internet, finish the access authentication of WLAN net between elder generation and the authentification of user authenticating and charging unit; Be the private IP address of a private network of user terminal distribution of current access network then by the station address allocation units in the network; After the private IP address that the user terminal of current access network obtains being distributed, the private network sign of the private IP address that obtained and self place private network is registered in the station address registration and inquiry unit.Registration described here specifically is meant: with the private IP address of current access network user terminal by network allocation, and the private network of himself place private network sign stores in the station address registration and inquiry unit, and sets up related between this private IP address and private network sign and this user terminal user ID.
Registration described in this step can be that the private network sign and the private IP address of active user's terminal are registered together, also can register respectively.That is to say, the private network sign and the private IP address of active user's terminal can be registered in the station address registration and inquiry unit together, also can be that station address registration and inquiry unit is divided into two parts, wherein a part is placed in the private network, elder generation is registered in private user address registration query unit with the private IP address of active user's terminal during registration, and the private network sign with active user's terminal place private network is registered in the predefined station address registration and inquiry unit again.Described enrollment process can be finished by user terminal oneself, also can finish by certain network equipment, such as: by DHCP equipment or WAG equipment or AC or the responsible equipment that distributes private network IP address.
Wherein, authentification of user authenticating and charging unit and station address registration and inquiry unit can be same network entities, also can be independently network entities of difference, adopt the form of same network entity usually.Station address registration and inquiry unit can adopt authentication and authorization charging server or name server (DNS); Private user address registration query unit can adopt private network DNS or private network data critical point.
Step 404～405: when certain network data transmitting element need or be transmitted data message to the user terminal transmission, this network data transmitting element is earlier according to the address of user ID to station address registration and inquiry unit search purposes user terminal, according to the address registration information of purpose user terminal in station address registration and inquiry unit, obtain the private IP address and the private network sign of this purpose user terminal, or only obtain the private network sign of this purpose user terminal place private network.
Step 406～407: user data that the network data transmitting element will send and the private IP address that is obtained or user ID packing, and obtain the address of the private network data gateway device of described private network correspondence according to the private network identification (RNC-ID) analytic that is obtained, close port address according to the private network data that parse then, the data after the packing are sent to corresponding private network data critical point.
Step 408～409: after the packet that the network data transmitting element sends is received at this private network data critical point, the packet of being received is unpacked, if what comprise in the packet is the private IP address of purpose user terminal, then this private network data critical point directly obtains the private IP address of purpose user terminal; If what comprise in the packet is the user ID of purpose user terminal, then this private network data critical point is by further resolving the private IP address that this user ID obtains the purpose user terminal, obtain the data message sent simultaneously then, private network data critical point utilizes the IP route technology to give the purpose user terminal data forwarding according to the user's private IP address that obtains in private network.
In the said process, described private network can be the private network in local public land mobile net (PLMN) coverage, also can be the private network in the WLAN Access Network coverage.If the private network in the local plmn coverage, then private network data critical point can be WAG or PDG; If the private network in the WLAN Access Network coverage, then private network data critical point can be AC.
Embodiment one:
Present embodiment is that packet data gateway is used the flow example of private network sign+IP address mode to purpose user terminal transmission information, distributes private IP address by visit public land mobile net (VPLMN) in the present embodiment.In the present embodiment, the network data transmitting element is a packet data gateway, and authentification of user authenticating and charging unit and station address registration and inquiry unit are 3GPP AS, and the station address allocation units are WAG1, and private network data critical point is WAG2.As shown in Figure 5, network comprises to the process that the purpose user terminal sends information in the present embodiment:
When step 501～503:WLAN user terminal inserts the 3GPP-WLAN Internet, finish the access authentication of WLAN net between elder generation and the 3GPPAS; Be the private IP address of a private network of user terminal distribution of current access network then by the WAG1 in the local plmn network; After the private IP address that the user terminal of current access network obtains being distributed, the private IP address that the obtained private network sign with self place private network is registered among the 3GPP AS.Wherein, for roaming condition, local plmn is VPLMN; For non-roaming situation, local plmn is HPLMN.The WAG1 here can be WAG equipment that is connected with DHCP equipment or the WAG equipment with DHCP function.The enrollment process of user terminal address information also can be finished by the network equipment in this step, such as: by DHCP equipment or WAG equipment.
Step 504～505: when certain packet data gateway need send network data to user terminal, finish relevant issue data grant after, the arrive address of search purposes user terminal among the 3GPP AS of this packet data gateway, according to the address registration information of purpose user terminal in 3GPP AS, obtain private network sign (NETID) and the private IP address of this purpose user terminal place private network.
Step 506～507: user data that described packet data gateway will send and the private IP address that is obtained packing, and obtain the address of the WAG2 of described private network correspondence according to the private network identification (RNC-ID) analytic that is obtained, according to the WAG2 address that obtains, the packet after the packing is sent to corresponding WAG2 then.The described parsing by network element that will send data and name server (DNS) according to the private network sign finished alternately, and this DNS is public network DNS or is the privately owned DNS of network settings.
Here, obtain the address of WAG2 for parsing, can be pre-configured the mapping table of private network sign and private network data pass port address, and can dynamically update the mapping table of set private network sign and private network data pass port address, packet data gateway can be resolved according to the mapping table that sets in advance or dynamically update.The maintenance function of this mapping table can be finished by a separate equipment, also can finish by a functional unit in the existing network equipment, such as: network data transmitting element or station address registration and inquiry unit.
The address of described WAG can be the address of Signaling System Number 7 (SS7) form, the address or the IP address of network access Identifier (NAI) form.Can be between packet data gateway and the WAG2 by carrying out the data transmission based on the agreement of SS7 or based on DIAMETER or IP-based agreement.
Step 508～509: after this WAG2 receives the packet that packet data gateway sends, the packet of being received is unpacked, obtain the private IP address of purpose user terminal and the data message that is sent, then, WAG2 utilizes the IP route technology to give the purpose user terminal data forwarding according to the user's private IP address that obtains in private network.
Embodiment two:
Present embodiment is that packet data gateway is used the flow example of private network sign+IP address mode to purpose user terminal transmission information, distributes private IP address by the WLAN Access Network in the present embodiment.In the present embodiment, the network data transmitting element is a packet data gateway, and authentification of user authenticating and charging unit and station address registration and inquiry unit are 3GPP AS, and the station address allocation units are the WLAN Access Network, and private network data critical point is WLAN private network data critical points.As shown in Figure 6, network comprises to the process that the purpose user terminal sends information in the present embodiment:
When step 601～603:WLAN user terminal inserts the 3GPP-WLAN Internet, finish the access authentication of WLAN net between elder generation and the 3GPPAS; Be the private IP address of a private network of user terminal distribution of current access network then by the WLAN Access Network; After the private IP address that the user terminal of current access network obtains being distributed, the private IP address that the obtained private network sign with self place private network is registered among the 3GPP AS.Here the network entity that distributes the address can be DHCP equipment or the AC equipment with DHCP function.For the situation of roaming, to be the private IP address that will be obtained register in 3GPP AAA agency (Proxy) equipment with the private network sign of self place private network user terminal.The enrollment process of user terminal address information also can be finished by the network equipment in this step, such as: by DHCP equipment or WAG equipment.
Step 604～605: when certain packet data gateway need send network data to user terminal, finish relevant issue data grant after, this packet data gateway is arrived among the 3GPP AS or the address of search purposes user terminal among the 3GPP AAAProxy, that is to say, if the register information of this user terminal not among the current 3GPP AS, then further inquire about among AS under the WLAN or the AAA proxy, according to the address information that the purpose user terminal is registered therein, finally obtain the private network sign (NETID) of this purpose user terminal place private network.
Step 606～607: the user data packing that described packet data gateway will send, the user ID that also comprises the purpose user terminal in this packet, and according to acquisition purpose user terminal place private network the private network identification (RNC-ID) analytic obtain the address at WLAN private network data critical point, close port address according to the WLAN private network data that obtain then, the packet after the packing is sent to WLAN private network data critical point.The described parsing by network element that will send data and DNS according to the private network sign finished alternately, and this DNS is public network DNS or is the privately owned DNS of network settings.
Here, obtain the address at WLAN private network data critical point for parsing, can be pre-configured the mapping table of private network sign and private network data pass port address, and can dynamically update the mapping table of set private network sign and private network data pass port address, packet data gateway can be resolved according to the mapping table that sets in advance or dynamically update.The maintenance function of this mapping table can be finished by a separate equipment, also can finish by a functional unit in the existing network equipment, such as: network data transmitting element or station address registration and inquiry unit.Described WLAN private network data critical point can be AC or critical point independently, and it can be the IP address that described private network data are closed port address, then carries out the data transmission by IP-based agreement between packet data gateway and the private network data critical point.
Step 608～609: after the packet that packet data gateway sends is received at this WLAN private network data critical point, the packet of being received is unpacked, further resolve the private IP address that obtains this purpose user terminal according to the user ID of the purpose user terminal that comprises in the packet, the data message that acquisition is simultaneously sent, then, in private network, utilize the IP route technology to give the purpose user terminal data forwarding according to the user's private IP address that obtains.
The above is preferred embodiment of the present invention only, is not to be used for limiting protection scope of the present invention.
Claims (17)
1, a kind of network is characterized in that to the method for user terminal transmission information this method comprises:
When each wireless lan (wlan) user terminal inserts wlan network, the private IP address that wlan network distributes a private network for the user terminal of current access network, this user terminal is registered the private IP address of being distributed and the private network sign of self place private network; Will be when network to not when self setting up direct-connected WLAN user terminal and send information, the address information that network based this user terminal is registered is photos and sending messages under this user terminal.
2, method according to claim 1 is characterized in that, described private network is the private network in local public land mobile net (PLMN) coverage, or is the private network in the WLAN Access Network coverage.
3, method according to claim 2 is characterized in that, described private network data critical point is that WLAN (wireless local area network) inserts critical point (WAG) or for local packet data gateway or be access control equipment (AC).
4, method according to claim 1, it is characterized in that described private IP address and private network sign with user terminal is registered as: the user terminal of current access network is registered in predefined station address registration and inquiry unit together with the private IP address that network distributed and the private network sign of self place private network; Or the user terminal of current access network is registered in predefined private user address registration query unit with the private IP address that network distributed, and the private network sign with this user terminal place private network is registered in the predefined station address registration and inquiry unit again.
5, method according to claim 1, it is characterized in that described private IP address and private network sign with user terminal is registered as: the network equipment is registered in predefined station address registration and inquiry unit for the private IP address of WLAN user terminal and the private network sign of this WLAN user terminal place private network network allocation together; Or the network equipment is registered in predefined private user address registration query unit for the private IP address of WLAN user terminal network allocation, and the private network sign with this user terminal place private network is registered in the predefined station address registration and inquiry unit again.
6, method according to claim 5 is characterized in that, the described network equipment is DHCP (DHCP) equipment or WAG equipment or access control equipment (AC) or the equipment of being responsible for distributing private network IP address.
According to claim 4 or 5 described methods, it is characterized in that 7, described station address registration and inquiry unit is authentication and authorization charging server or name server (DNS); Described private user address registration query unit is private network DNS or private network data critical point.
8, according to claim 1,4 or 5 described methods, it is characterized in that, the private network of described registered user's terminal sign and private IP address are: store current access network user terminal by the private IP address of network allocation and the private network sign of himself place private network, and set up this private IP address and private network identify with this user terminal user ID between related.
9, method according to claim 1 is characterized in that, the described network based address information of registering photos and sending messages under user terminal further comprises:
The private IP address of purpose user terminal and the private network sign of place private network are inquired about and obtained to the network element that a11. will send data in the user terminal register information according to user ID;
The network element that a12. will send data is packed the private IP address of the purpose user terminal that obtains among the step a11 with the data message that will send, obtain the private network data pass port address of this purpose user terminal simultaneously according to the private network identification (RNC-ID) analytic of the purpose user terminal that obtains among the step a11, close port address according to the private network data that parse then, the data after the packing are sent to corresponding private network data critical point;
A13. described private network data critical point unpacks receiving packet, directly obtains the private IP address of purpose user terminal, will send data forwarding to the purpose user terminal according to the private IP address that is obtained again.
10, method according to claim 1 is characterized in that, the described network based address information of registering photos and sending messages under user terminal further comprises:
The private network sign of purpose user terminal place private network is inquired about and obtained to the network element that a21. will send data in the user terminal register information according to user ID;
A22. to send the data message packing that the network element of data will send, private network according to the purpose user terminal place private network that obtains among the step a21 identifies simultaneously, parsing obtains the private network data pass port address of this purpose user terminal, close port address according to the private network data that parse then, the data after the packing are sent to corresponding private network data critical point;
A23. described private network data critical point unpacks receiving packet, contained user ID in the further resolution data bag, and the private IP address of acquisition purpose user terminal will send data forwarding to the purpose user terminal according to the private IP address that is obtained again.
11, according to claim 9 or 10 described methods, it is characterized in that, this method further comprises: set in advance the mapping table between private network sign and the private network data pass port address, the network element that then will send data among step a12 and the step a22 obtains the private network data according to the mapping table parsing that sets in advance and closes port address.
12, method according to claim 11, it is characterized in that, this method further comprises: dynamically update the mapping table between described private network sign and the private network data pass port address, the network element that then will send data among step a12 and the step a22 obtains the private network data according to the mapping table parsing that dynamically updates and closes port address.
According to claim 9 or 10 described methods, it is characterized in that 13, the described parsing by network element that will send data and name server (DNS) according to the private network sign finished alternately.
14, method according to claim 13 is characterized in that, described DNS is public network DNS or is the privately owned DNS of network settings.
According to claim 9 or 10 described methods, it is characterized in that 15, described parsing obtains the private network data, and to close port address be IP address or for the address of network access Identifier (NAI) form or be the address of Signaling System Number 7 (SS7) form.
16, method according to claim 15 is characterized in that, the network element that send data transmits IP-based agreement or based on DIAMETER or based on the agreement of SS7 to the data at private network data critical point.
17, method according to claim 1, it is characterized in that, this method further comprises: before search purposes user terminal address information or in the process, finish the relevant licensing process that issues data between the network element that send data and the authentication and authorization charging unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031462170A CN100493008C (en) | 2003-07-04 | 2003-07-04 | A method for sending information to user terminal by network |
| PCT/CN2004/000740 WO2005004504A1 (en) | 2003-07-04 | 2004-07-02 | A method about network transmit information to user terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031462170A CN100493008C (en) | 2003-07-04 | 2003-07-04 | A method for sending information to user terminal by network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1567871A true CN1567871A (en) | 2005-01-19 |
| CN100493008C CN100493008C (en) | 2009-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031462170A Expired - Fee Related CN100493008C (en) | 2003-07-04 | 2003-07-04 | A method for sending information to user terminal by network |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100493008C (en) |
| WO (1) | WO2005004504A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148878A (en) * | 2010-02-05 | 2011-08-10 | 中国移动通信集团公司 | IP (internet protocol) address allocation method, system and device |
| CN106101300A (en) * | 2016-06-22 | 2016-11-09 | 东方有线网络有限公司 | The method controlling to access self-built server by private domain name system |
| CN106210103A (en) * | 2016-07-21 | 2016-12-07 | 成都火云网安科技有限公司 | A kind of privately owned cloud docking calculation crossing over public network |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269400B1 (en) * | 1998-07-22 | 2001-07-31 | International Business Machines Corporation | Method for discovering and registering agents in a distributed network |
| US6614774B1 (en) * | 1998-12-04 | 2003-09-02 | Lucent Technologies Inc. | Method and system for providing wireless mobile server and peer-to-peer services with dynamic DNS update |
| FI112770B (en) * | 2001-03-30 | 2003-12-31 | Nokia Corp | A mechanism for mobility management in telecommunications networks |
| JP2002305531A (en) * | 2001-04-09 | 2002-10-18 | Shiyougan Ko | Information processing unit, dns server system, information processing system and method, and information processing program |
-
2003
- 2003-07-04 CN CNB031462170A patent/CN100493008C/en not_active Expired - Fee Related
-
2004
- 2004-07-02 WO PCT/CN2004/000740 patent/WO2005004504A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148878A (en) * | 2010-02-05 | 2011-08-10 | 中国移动通信集团公司 | IP (internet protocol) address allocation method, system and device |
| CN102148878B (en) * | 2010-02-05 | 2013-08-14 | 中国移动通信集团公司 | IP (internet protocol) address allocation method, system and device |
| CN106101300A (en) * | 2016-06-22 | 2016-11-09 | 东方有线网络有限公司 | The method controlling to access self-built server by private domain name system |
| CN106101300B (en) * | 2016-06-22 | 2020-08-18 | 东方有线网络有限公司 | Method for controlling access to self-built server through private domain name system |
| CN106210103A (en) * | 2016-07-21 | 2016-12-07 | 成都火云网安科技有限公司 | A kind of privately owned cloud docking calculation crossing over public network |
| CN106210103B (en) * | 2016-07-21 | 2020-03-20 | 成都火云网安科技有限公司 | Private cloud docking method spanning public network |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005004504A1 (en) | 2005-01-13 |
| CN100493008C (en) | 2009-05-27 |
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