CN101374160B - Method, apparatus and system for distributing user address of packet network - Google Patents
Method, apparatus and system for distributing user address of packet network Download PDFInfo
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- CN101374160B CN101374160B CN2007101205742A CN200710120574A CN101374160B CN 101374160 B CN101374160 B CN 101374160B CN 2007101205742 A CN2007101205742 A CN 2007101205742A CN 200710120574 A CN200710120574 A CN 200710120574A CN 101374160 B CN101374160 B CN 101374160B
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Abstract
The invention discloses a method, a device and a system for allocating a user address in a packet network. The system mainly comprises an information transmitting device which is arranged in a non-packet network, and used for obtaining the user address allocation reference information signed by users and/or the user address allocation reference information transmitted by the users, and transmitting the user address allocation reference information; and a device for allocating the user address in the packet network, which is used for obtaining the user address allocation reference information of the non-packet network users in the packet network from the information transmitting device, and allocating address for the users in the non-packet network accessed to the packet network according to the user address allocation reference information. When the non-packet network is switched to a PS network by the users, the user address allocation reference information can be transmitted from the non-packet network to the PS network so that the packet network can allocate appropriate addresses for the users according to the obtained user address allocation reference information, thereby ensuring the continuity of the service in a switching process.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the scheme of distributing user address in a kind of packet network.
Background technology
At present, the concrete implementation structure of wireless network evolution architecture is as shown in Figure 1, in this framework, mainly comprises following entity:
MME, i.e. mobile management entity is responsible for functions such as NAS (Non-Access Stratum system) signaling and the encryption of NAS signaling and roaming, tracking, and distributing user temporary identity sign, safety function etc., and it is corresponding to the control plane part of current UMTS internal system SGSN;
Gateway is responsible for the local mobility anchor point and the mobility anchor point and the Lawful Interception relevant information of 3GPP internal system;
PDN Gateway, promptly PDN (packet network) gateway is called for short PGW, is responsible for strategy execution and charging and Lawful Interception correlation function.
When the user attached to above-mentioned evolution architecture, promptly during EPS (grouping system of evolution) network, need distribute available IP address for the user.At present, PGW need decide according to the IP version of user's IP version ability, carrier policy or user's request into user's distributing IP v4 address still be the IPv6 address.
In the EPS network; When switching to the EPS network by the CS network as if the user who is carrying out speech business; Then for reducing service outage duration; Need carry out the resource preparation of EPS network in handoff preparation phase, comprise obtaining of signaling bear foundation and voice bearer foundation and IP address or the like.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
When the user switched to the EPS network by the CS network, the IP version that PGW need ask according to user's IP version ability, carrier policy or user distributed an available IP address for the user.At present, the EPS network also can't obtain user's IP version ability or the IP version information that the user needs, and promptly can't distribute corresponding IP address for the non-PS network user.In a word, in packet network, can't distribute suitable IP address for the non-grouping network user who switches in the present networks.
Summary of the invention
Embodiments of the invention provide method, the Apparatus and system of distributing user address in a kind of packet network, thereby make and to switch to from non-grouping network that the user can obtain to be its addresses distributed in the packet network, and insert in the packet network reliably.
The embodiment of the invention provides the method for distributing user address in a kind of packet network, comprising:
Packet network obtains the station address assigned references information of the non-grouping network user packet network pre-configured or that obtain from non-grouping network;
Distribute the address according to the said station address assigned references information of obtaining for the user in the non-grouping network that inserts packet network.
The embodiment of the invention provides the method for distributing user address in a kind of packet network, comprising:
Packet network obtains pre-configured station address allocation strategy, and wherein, described station address allocation strategy has been indicated and has been the version of user's addresses distributed;
The address of distributing corresponding version according to the said station address allocation strategy that obtains for the user.
The embodiment of the invention provides the device of distributing user address in a kind of packet network, comprising:
First information acquiring unit in packet network, is used for obtaining the station address assigned references information of the non-grouping network user pre-configured or that obtain from non-grouping network at packet network;
Allocation unit, the station address assigned references information that is used for obtaining according to said information acquisition unit are that the user who inserts the non-grouping network of packet network distributes the address.
The embodiment of the invention provides a kind of information transfer device, comprising:
Second information acquisition unit in non-grouping network, is used to obtain the station address assigned references information that station address assigned references information that the user contracts and/or user send;
Information transmitting unit, the station address assigned references information that is used for described second information acquisition unit is obtained sends packet network to.
The embodiment of the invention provides the system of a kind of distributing user address, comprising:
Information transfer device is arranged in the non-grouping network, is used to obtain the station address assigned references information that station address assigned references information that the user contracts and/or user send, and sends described station address assigned references information;
The device of distributing user address in the packet network; Be used for receiving the station address assigned references information of the non-grouping network user, and distribute the address for the user in the non-grouping network that inserts packet network according to said station address assigned references information at packet network from said information transfer device.
Technical scheme by the embodiment of the invention described above provides can be found out; Its user when non-grouping network switches to the PS network; Can with station address assigned references information from non-grouping network delivery to the PS network; Thereby make that packet network can be according to the station address assigned references information address suitable for the user distributes that gets access to, to guarantee continuity professional in the handoff procedure.
Description of drawings
Fig. 1 is an evolution architecture sketch map of the prior art;
Fig. 2 is the concrete implementation procedure sketch map one of the embodiment of the invention;
Fig. 3 is the concrete implementation procedure sketch map two of the embodiment of the invention;
Fig. 4 A and Fig. 4 B are the concrete implementation procedure sketch map three of the embodiment of the invention;
Fig. 5 is the application scenarios sketch map of the embodiment of the invention;
The Apparatus and system structural representation that Fig. 6 provides for the embodiment of the invention.
Embodiment
At the PS network is in the process of user's distributing IP address, at least one item in the PS network capabilities station address assigned references information such as (like the IP versions of user's request) that need ask with reference to user's PS network capabilities (like the IP version ability of user's support), carrier policy and user.The embodiment of the invention provides the PS network to obtain the implementation of each station address assigned references information; So that in handoff preparation phase; The target side network can distribute suitable IP address for the user, and is based upon the resource such as signaling bear and voice dedicated bearing of PS network for the user.
To the implementation that obtain each station address assigned references information in the PS network be described below.
(1) in the PS network, the mode of obtaining said carrier policy is following:
(1) said carrier policy can be contracted in HSS (attribution server), and the carrier policy that gets access to is carried to the PS network when switching generation by the MSC in the CS network; Perhaps, also can in HSS, obtain said carrier policy, and this carrier policy is passed to said PGW by the MME in the PS network;
(2) directly said carrier policy is configured on the PGW in the PS network.
(2) in the PS network, the mode of obtaining the IP version ability of user's support and the IP version that the user asks is following:
Corresponding PS network obtains user's PS network capabilities and the process of the PS network capabilities of user's request comprises: the CS network obtains user's PS network capabilities, the process of PS network capabilities that the user asks; And the PS network capabilities of user's PS network capabilities and user's request is carried to the process of target P S network by the CS network, wherein,
(1) the CS network process of PS network capabilities of obtaining user's PS network capabilities and/or user request specifically can be following arbitrary mode:
The user is delivered to MSC through the location registers flow process with at least one item in the PS network capabilities of user's PS network capabilities and user's request in the CS network;
The user in the CS network through the call setup flow process with at least one transmission MSC in the PS network capabilities of user's PS network capabilities and user's request;
Through the ICCC passage at least one item in the PS network capabilities of user's PS network capabilities and user's request is delivered to MSC.
(2) user's the PS network capabilities and/or the PS network capabilities of user's request specifically can be following arbitrary mode by the process that the CS network is carried to target P S network:
Under the IMS control mode, MSC through the ICCC passage with at least one item in the PS network capabilities of user's PS network capabilities and user's request by the CS network delivery to the PS network;
When the user voice take place was switched by the CS network to the PS network, at least one in the PS network capabilities that MSC asks user's PS network capabilities and user was delivered to target P S network;
The functional entity (be user capability perception entity) of MSC through perception user capability in the IMS network passes to the PGW in the PS network with at least one item in the PS network capabilities of user's PS network capabilities and user's request.
(3) the IP address of setting version for configuring fixed in the PS network for the user distributes
For the user who switches to the PS network; No longer need transmit user's the PS network capabilities and the PS network capabilities of user's request; And be fixed as the IP address of VCC user's distributing IP v4 or IPv6 version by target P S network; As carrying out address assignment according to pre-configured station address allocation strategy, at this moment, the fixing IP address of supporting IPv4 or IPv6 version of VCC user;
(4) VCC user had both supported IPv4 also to support IPv6
When switch taking place, need be to PS network delivery user's PS network capabilities, and be user's distributing IP address by network side according to carrier policy (like pre-configured station address allocation strategy) only; Perhaps, only distribute an available IP address according to carrier policy (like pre-configured station address allocation strategy) for the user by PGW.
In the embodiment of the invention, corresponding PS network capabilities can also can be other cells that need use at the PS network for corresponding IP version information, for example, and encryption or integrity protection information etc.
For ease of understanding to the embodiment of the invention, will combine accompanying drawing below, be example with corresponding IP version information as the PS network capabilities, the concrete implementation procedure of the embodiment of the invention is carried out detailed explanation.
Embodiment one
Under the IMS control mode, the IP version of the user being supported through ICCC (control channel between IMS and CS) passage and/or the IP version of user's request by the CS network delivery to the PS network.
At least one item in the IP version of the IP version that the PGW in the PS network supports according to the user, carrier policy and user's request distributes suitable IP address for the user.
For example; As shown in Figure 2; The user initiates audio call in the CS territory; When decision switched to the PS territory by the CS territory, the user passed to PGW with the IP version of the IP version of self supporting and/or user's request through the ICCC passage, and in the IP version of IP version ability, carrier policy and the user's request supported according to the user by PGW at least one is user's distributing IP v4 address or IPv6 address.
Embodiment two
The IP version of the IP version of when VCC user does location registers in the CS territory user being supported and/or user's request sends MSC to; When taking place the CS network to the switching of PS network; MSC is sent to target P S network through intermediate NE with the IP version of this user's support and/or the IP version of user's request, and IP version, the IP version of user's request and at least one item in the carrier policy that the network based user of target P S supports are user's distributing IP address.
Because the IP version of the IP version that the user supports and user's request is generally the ability of confirming relatively; So can be only when the user starts shooting access network for the first time, carry the IP version that this user supports and/or the IP version of user's request, for upgrading or then can carry the IP version that the user supports and/or the IP version of user's request in subsequent cycle property position because the user moves the location update operations process of initiation.
Like Fig. 3, and shown in Fig. 4 A and Fig. 4 B, specifically can comprise for the processing procedure that switches to the user's distributing IP address in the PS network by the CS network accordingly:
At first, as shown in Figure 3, the processing procedure that the IP version of the user being supported through location registration accordingly and/or the IP version of user's request are sent to MSC is following:
Carry the IP version of user's support and/or the IP version of user's request in said position register request message; Wherein, The IP version ability that the IP version that said user supports can indicate the user to support through Spare (reserved place) indicating bit of Mobile Station classmark1 (mobile station capability information) cell; Perhaps, also can in this message, increase an IP version that cell indicates the user to support newly; The IP version of said user's request can bring MSC through newly-increased cell Prefered PS capability (the PS ability of request).
The subscription data of user in HLR is inserted among the new VLR of network side.
Afterwards, carry out the audio call user in the CS territory and switch to the switching in PS territory, at this moment, then need distribute an IP address for the user in the PS territory by the CS territory.Promptly in switching generating process; The IP version of the IP version that the user that MSC obtains during with location registers supports and/or user's request is sent on the PGW of PS network, so that the IP version of being supported according to this user by PGW and/or the IP version of user's request are user's distributing IP address.Shown in Fig. 4 A and Fig. 4 B, after the user switched to the PS network by the CS network, corresponding processing procedure specifically can may further comprise the steps:
For example; Send MAP-Prep-Handover req (MAP handoff request) message to eMSC; Carrying the IP version IP Version ability of user's support and/or the IP version Prefered PS capability of user's request in the message, doing the target side switchable resource with notice eMSC and prepare; Wherein, the IP Version ability cell that is used for the IP version of identifying user support can also can pass through independent cell indication through revising the Spare indicating bit sign of existing cell Mobile Station classmark1.
Step 5,6; MME passes to SAE GW (evolution gateway) with IP Version ability and/or Prefered PS capability again; Finally pass to PGW; So that PGW etc. can combine the carrier policy IP address suitable for the user distributes according to this IPVersion ability and/or Prefered PS capability information, and PGW also passes to MME after distributing corresponding IP address for the user.
Step 7, PGW will send to eMSC by MME with said IP address for after user's IP address allocated sends MME to;
Specifically can send corresponding IP address to eMSC through Forward Relocation Rsp (forwarding relocation response) message of sending to eMSC.
Step 8 is communicated by letter between eMSC and the MGW (WMG), and MGW is with its IP address and port numbers notice eMSC;
Step 9 to step 13, to PCRF (policy and charging control function) request PCC Rule (PCC rule), indication PDN GW sets up voice dedicated bearing between eNB (enhancing base station) and SAE GW to eMSC as AF (application function) entity.
Step 14, eMSC sends Mod Request (revising request) message IP address and port numbers is informed MGW.
Step 15 to step 19, eMSC sends MAP-Prep-Handover rsp (MAP handoff response) message and gives source MSC, to bring source MSC with IP address and carrying relevant parameter, further passes to the user by source MSC.
Step 20 to step 30, the user inserts target side after obtaining information such as corresponding IP address, and removes the resource information of source.
Embodiment three
VCC user is in the call establishment of CS territory, and the IP version IPVersion ability that self is supported by mobile phone and/or the IP version Prefered PS capability of user's request bring MSC.When the user is taken place the CS network to the switching of PS network; MSC takes this IP Version ability and/or Prefered PS capability to target P S network through intermediate NE; Target P S network combines the IP version of user's support and/or the IP version of user's request, can also combine carrier policy to think that the user distributes corresponding IP address alternatively further.
The user is originating call in the CS territory; And the IP Version ability that self is supported and/or PreferedPS capability can bring MSC through CM service req (CM service request) or Setup (call setup) or Paging response (page response) or Call confirm (calling out affirmation) message; For example; When switching; Bring intermediate NE by MSC with IP Version ability and/or the Prefered PS capability that the user supports; And this IP Version ability and/or Prefered PS capability information are delivered to the PS network by intermediate NE, afterwards, be user's distributing IP address by at least one information in network based this IPVersion ability of PS, Prefered PS capability and the carrier policy.
Embodiment four
In this embodiment; As shown in Figure 5; In the PS network, comprise IMS territory user capability perception entity (being user capability perception entity), be used for perception CS and PS network user capability and data, therefore; By the CS territory in the handoff procedure of PS territory, can for the PS network the PS network capabilities that the user supports and the PS network capabilities of user's request be provided through IMS territory user capability perception entity.For example; Under the IMS control mode; The user switches to the PS network by the CS network in communication process; The PS network capabilities (like the IP version of user's request) of the PS network capabilities that then can the user be supported through IMS territory user capability perception entity (IP version of supporting like the user), user's request brings the PGW in the PS network, is user's distributing IP address by PGW according to this information.
Embodiment five
In this embodiment, the fixing IP address of PGW to VCC user's distributing IP v4 or IPv6; At this moment, can arrange the IP version that VCC user supports IPv4 or IPv6.Based on this agreement; When VCC user switches to the PS network by the CS network; Need not transmit the IP version of user's support and the IP version of user's request, be VCC user but notify this user of PGW in the PS network by MME, is the IP address of this user's distributing IP v4 or IPv6 regularly.
Embodiment six
In this embodiment, VCC user can support IPv4 and IPv6 simultaneously, like this; When user's generation switches to the PS network by the CS network; Then need not transmit the IP version that the user supports, but be that the user distributes an IP address to get final product according to carrier policy, for VCC user by the objective network lateral root; No matter this address is IPv4 version or IPv6 version, and it all can recognition application.
The embodiment of the invention also provides the system of a kind of distributing user address, and its concrete implementation structure is as shown in Figure 6, mainly comprises:
(1) information transfer device is arranged in the non-grouping network, is used to obtain the station address assigned references information that station address assigned references information that the user contracts and/or user send, and sends described station address assigned references information;
The concrete implementation structure of this information transfer device is still as shown in Figure 7, mainly can comprise:
(1) second information acquisition unit in non-grouping network, is used to obtain the station address assigned references information that station address assigned references information that the user contracts and/or user send;
(2) information transmitting unit, the station address assigned references information that is used for described second information acquisition unit is obtained sends packet network to.
If this device is arranged in the mobile switching control center as the circuit-domain network of non-grouping network, is that said second information acquisition unit can comprise following arbitrary unit:
First acquiring unit; Be used to obtain the station address assigned references information that the user sends through location registration; Be that the user sends to this device through location registration with station address assigned references information, thereby make it can obtain said station address assigned references information;
Second acquisition unit; Be used to obtain the station address assigned references information that the user sends through call establishment; Be that the user sends to this device through call establishment with station address assigned references information, thereby make it can obtain said station address assigned references information;
The 3rd acquiring unit is used to obtain the station address assigned references information that the user comes through the channel transfer between IMS territory and the circuit domain.
(2) device of distributing user address in the packet network; Be used for obtaining the station address assigned references information of the non-grouping network user, and distribute the address for the user in the non-grouping network that inserts packet network according to said station address assigned references information at packet network from said information transfer device.
The concrete implementation structure of the device of distributing user address is still as shown in Figure 7 in this packet network, mainly comprises following processing unit:
(1) first information acquiring unit in packet network, is used for obtaining the station address assigned references information of the non-grouping network user pre-configured or that obtain from non-grouping network at packet network;
Station address assigned references information wherein can but be not limited to comprise: in the packet network ability of the packet network ability that the user supports, user's request and the carrier policy at least one.
(2) allocation unit, the station address assigned references information that is used for obtaining according to said information acquisition unit are that the user who inserts the non-grouping network of packet network distributes the address.
This device that the embodiment of the invention provides specifically can but be not limited to be arranged among the packet network gateway PGW of packet network.
In sum; In the embodiment of the invention; SR VCC user when the CS network switches to the PS network, with the IP version ability of user's IP version ability and user's request from the CS network delivery to the PS network, PGW distributes suitable IP address according to the IP version ability of the User IP version ability that gets access to, carrier policy and/or user's request to the user; So that switch to the continuity of the business of still can guaranteeing the PS network development process from the CS network, thereby can realize that corresponding VCC is professional the user.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. the method for distributing user address in the packet network is characterized in that, comprising:
Packet network obtains the station address assigned references information of the non-grouping network user packet network pre-configured or that obtain from non-grouping network, and described station address assigned references information comprises at least one in packet network ability and the carrier policy of packet network ability that the user supports, user's request;
Distribute the address according to the said station address assigned references information of obtaining for the user in the non-grouping network that inserts packet network.
2. method according to claim 1 is characterized in that, the step of obtaining said station address assigned references information from non-grouping network comprises:
Obtain the said station address assigned references information that said station address assigned references information that the user contracts and/or user send as the circuit-domain network of non-grouping network, and send packet network to;
Perhaps,
Obtain said station address assigned references information as the user capability perception entity in the IMS territory network of non-grouping network, and pass to packet network.
3. method according to claim 2 is characterized in that, the step of the station address assigned references information that the said user of obtaining sends comprises:
Sending said station address assigned references information in the said circuit-domain network mobile switching control center as the user in the circuit-domain network of non-grouping network through location registration;
Perhaps,
Sending said station address assigned references information in the said circuit-domain network mobile switching control center as the user in the circuit-domain network of non-grouping network through call establishment;
Perhaps,
Sending said station address assigned references information in the said circuit-domain network mobile switching control center as the user in the circuit-domain network of non-grouping network through the passage between IMS territory and the circuit domain.
4. method according to claim 1 is characterized in that, described is packet network gateway for the user in the non-grouping network that inserts packet network distributes the entity of address.
5. the device of distributing user address in the packet network is characterized in that, comprising:
First information acquiring unit; In packet network; Be used for obtaining the station address assigned references information of the non-grouping network user pre-configured or that obtain from non-grouping network at packet network, described station address assigned references information comprises at least one in packet network ability and the carrier policy of packet network ability that the user supports, user's request;
Allocation unit, the station address assigned references information that is used for obtaining according to said first information acquiring unit are that the user who inserts the non-grouping network of packet network distributes the address.
6. an information transfer device is characterized in that, comprising:
Second information acquisition unit; In non-grouping network; Be used to obtain the station address assigned references information that station address assigned references information that the user contracts and/or user send, described station address assigned references information comprises at least one in packet network ability and the carrier policy of packet network ability that the user supports, user's request;
Information transmitting unit, the station address assigned references information that is used for described second information acquisition unit is obtained sends packet network to.
7. device according to claim 6 is characterized in that, this device is arranged at the mobile switching control center as the circuit-domain network of non-grouping network, and said second information acquisition unit comprises:
First acquiring unit is used to obtain the station address assigned references information that the user sends through location registration;
Perhaps,
Second acquisition unit is used to obtain the station address assigned references information that the user sends through call establishment;
Perhaps,
The 3rd acquiring unit is used to obtain the station address assigned references information that the user comes through the channel transfer between IMS territory and the circuit domain.
8. the system of a distributing user address is characterized in that, comprising:
Information transfer device; Be arranged in the non-grouping network; Comprise second information acquisition unit and information transmitting unit; Said second information acquisition unit is used to obtain the station address assigned references information that station address assigned references information that the user contracts and/or user send; Described station address assigned references information comprises packet network ability, the packet network ability of user's request and at least one item in the carrier policy that the user supports, the station address assigned references information that said information transmitting unit is used for said second information acquisition unit is obtained sends to packet network;
The device of distributing user address in the packet network; Comprise first information acquiring unit and allocation unit; Said first information acquiring unit is in packet network; Be used for receiving the station address assigned references information of the non-grouping network user at packet network from said information transfer device, the station address assigned references information that said allocation unit is used for obtaining according to said first information acquiring unit is that the user who inserts the non-grouping network of packet network distributes the address.
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| CN101370261B (en) * | 2007-08-15 | 2011-12-07 | 华为技术有限公司 | Resource preparation method and communication equipment for switching from CS field to PS field |
| CN102457835B (en) * | 2010-10-18 | 2015-04-22 | 中国移动通信集团公司 | Network switching method and system thereof, and equipment |
| CN103297254B (en) | 2012-02-23 | 2017-06-20 | 华为技术有限公司 | The method and gateway device of management address resource |
| CN104980982A (en) * | 2014-04-01 | 2015-10-14 | 中兴通讯股份有限公司 | Method and device switching voice service between CS domain and PS domain and mobile terminals |
| CN105516377A (en) * | 2014-09-24 | 2016-04-20 | 中兴通讯股份有限公司 | IPv6 address management method and apparatus, and terminal |
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| WO2006052093A1 (en) * | 2004-11-12 | 2006-05-18 | Nhn Corporation | Method for inserting contents provided by external web server in commumity homepage |
| CN101019383A (en) * | 2004-07-30 | 2007-08-15 | 奥林奇股份有限公司 | Tunneling internet protocol packets between a gateway support node and a mobile terminal |
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| CN101019383A (en) * | 2004-07-30 | 2007-08-15 | 奥林奇股份有限公司 | Tunneling internet protocol packets between a gateway support node and a mobile terminal |
| WO2006052093A1 (en) * | 2004-11-12 | 2006-05-18 | Nhn Corporation | Method for inserting contents provided by external web server in commumity homepage |
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