CN103781047A - Data routing method in roaming, intercommunication service router and access service router - Google Patents
Data routing method in roaming, intercommunication service router and access service router Download PDFInfo
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- CN103781047A CN103781047A CN201210407499.9A CN201210407499A CN103781047A CN 103781047 A CN103781047 A CN 103781047A CN 201210407499 A CN201210407499 A CN 201210407499A CN 103781047 A CN103781047 A CN 103781047A
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Abstract
The invention provides a data routing method in a roaming scene. The method comprises the following steps that a home intercommunication service router (ISR) or an ASR receives data sent to a roaming terminal and obtains the position information of the roaming terminal, the position information comprises a roaming terminal visit place ISR information or roaming terminal visit place access service router (ASR) information, and the home ISR or the ASR sends the data to the visit place ISR of the roaming terminal or sends the data to the visit place ASR or the roaming terminal. The invention also provides the ISR, the ASR and an ILR. According to the method, the ISR, the ASR and the ILR, the routing of downlink data in the roaming scene is realized.
Description
Technical field
The present invention relates to the grouping system of the evolution in moving communicating field, relate in particular to method, interoperability services router and the access service router of data route under a kind of roaming scence.
Background technology
Third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) grouping system (the Evolved Packet System of evolution, referred to as EPS) by universal mobile telecommunications system land radio access web (the Evolved Universal Terrestrial Radio Access Network of evolution, referred to as E-UTRAN), Mobility Management Entity (Mobility Management Entity, referred to as MME), gateway (Serving Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, referred to as P-GW or PDN GW), home subscriber server (Home Subscriber Server, referred to as HSS), authentication and authorization charging (the Authentication of 3GPP, Authorization and Accounting, referred to as AAA) server, "Policy and Charging Rules Function (Policy and Charging Rules Function, referred to as PCRF) entity and other support nodes composition.
Fig. 1 is the schematic diagram of the EPS system architecture of prior art, and as shown in Figure 1, MME is responsible for the related work of the chains of command such as the processing of mobile management and Non-Access Stratum signaling; S-GW is the accessing gateway equipment being connected with E-UTRAN, forwarding data between E-UTRAN and P-GW, and be responsible for the pending datas such as paging to carry out buffer memory; P-GW is the borde gateway of EPS and packet data network (Packet Data Network, referred to as PDN) network, is responsible for the access of PDN and the function such as forwarding data between EPS and PDN.In 3GPP, can find corresponding PDN network by APN (Access Point Name, referred to as APN).Conventionally terminal (User Equipment, UE) is called to an IP to a connection of PDN network and connects Access Network (IP Connectivity Access Network, referred to as IP-CAN) session.
Mobile network's a key property is the continuity that continues to keep in mobile process business at UE.In EPS system, the mobile management function that continuity is switched by system guarantees, mainly comprises switching (Handover) and tracing section updating (Tracking Area Update) etc.Mobile management is all for guaranteeing that the continuity of terminal traffic serves, while guaranteeing that terminal moves in network, always can reaching in the external world, and variation has occurred in the position that does not allow the Correspondent Node of terminal and terminal perceive terminal in IP aspect.Briefly that the IP address that allows terminal remain valid in mobile process does not change.In the process of mobile management, terminal may be changed the S-GW of current connection, below content all this scene is narrated.
In prior art, the technology that has a kind of identity to separate with position, needs in this technology for identify label of terminal distribution, and a station location marker.The effect of the identify label of terminal is to demarcate the identity of a terminal, is changeless, and no matter how terminal moves and no matter which P-GW is current terminal be attached in network, and its identify label remains constant, and in territory, is unique; The station location marker of terminal is used for representing the current topology location (also characterizing routing iinformation) in network of terminal, can navigate in other words the P-GW at terminal place according to this station location marker.
In the application for this identity and locator separation network referred to as marked net, main network element in marked net is described below: in real network deployment, early stage, marked net can be disposed in the mode of isolated island, be that network internal adopts unified identify label, for example, in the time that data need to be routed to network-external (: traditional Internet network), need to dispose special router in the position of data outlet, this router is referred to as ISR (Interconnect Service Router, interoperability services router), be responsible for data message to send in external network, with the data message receiving from external network.When business outside user needs access identities net, need to pass through ISR; And due to ISR can outside broadcasting user identify label, when the user outside marked net is known after User Identity, need to access this user time, send data to ISR, receive message and be transmitted to the user in marked net by ISR.As the edge router of being responsible for user access referred to as ASR (Access Service Router, access service router), the P-GW in can corresponding EPS network.Because position separates with identity, carrier network also needs the mapping relations of maintenance customer's identity and position, therefore ILR (Identity Location Register, identity location register) network element major function is the mapping of maintenance customer's identity and station location marker, when after user access network, ILR records and preserves the mapping relations of user identity and position, in the time that data message need to be routed to this user, if only know user's identify label, and do not know the position (referring to edge router ASR here) at user place, obtain the couple in router at user place to ILR inquiry, data are sent on this router, follow-uply forward the data to user by this router, as shown in Figure 2.
When user roams into visited place, if visited place operator has also disposed marked net, for externally identify label is unified, the identify label accesses network that user still uses belonging area network to distribute.Can normally commence business in visited place in order to ensure user, ILR intercommunication between visited place and ownership place operator (roaming agreement assurance), for functions such as visited place access authentications simultaneously.When user-selected number is according to (going out from visited place from local routing, rather than route travels back across ownership place) go out, just need to be by the ISR of visited place (here referred to as Visited-ISR), as shown in Figure 3, simultaneously, in the time that external data need to find user, now only know user's identify label, and the identify label that this user uses is ownership place distribution, and the Shi visited place, position at user place now, identify label can not be converged at visited place carrier network, therefore how downlink data (sending to the data of roaming terminal) routes to roaming terminal and need solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide method, interoperability services router and the access service router of data route under a kind of roaming scence, realizes the route of downlink data under roaming scence.
In order to address the above problem, the invention provides the method for data route under a kind of roaming scence, comprising:
Ownership place interoperability services router ISR receives after the data that send to roaming terminal, obtain the positional information of described roaming terminal, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information, described ownership place ISR sends to described data the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
Said method also can have following characteristics, and the positional information that described ownership place ISR obtains described roaming terminal comprises:
Described ownership place ISR obtains the positional information of described roaming terminal from this locality; Or the positional information that described ownership place ISR inquires about described roaming terminal to described ownership place identity location register ILR, receives the positional information of the described roaming terminal that described ownership place ILR returns.
Said method also can have following characteristics, and described method also comprises:
Described ownership place ILR receives after the inquiry request of described ownership place ISR:
The positional information of the described roaming terminal that this locality is preserved sends to described ownership place ISR; Or,
Inquire about the positional information of described roaming terminal to visited place ILR, the positional information of the described roaming terminal that described visited place ILR is returned sends to described ownership place ISR.
The present invention also provides the method for data route under a kind of roaming scence, comprising:
Ownership place ASR receives after the data that send to roaming terminal, inquire about the positional information of described roaming terminal to ownership place ILR, and receive the positional information of the described roaming terminal that described ownership place ILR returns, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Described ownership place ASR sends to described data the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
Said method also can have following characteristics, described ownership place ILR receives after the request of positional information of the described roaming terminal of inquiry of described ownership place ASR, inquire about the positional information of described roaming terminal to visited place ILR, the positional information that receives the described roaming terminal that described visited place ILR returns, returns to described ownership place ASR by the positional information of described roaming terminal.
The present invention also provides a kind of interoperability services router, and described interoperability services router ISR comprises:
Position information acquisition module, for at described ISR during as the ownership place ISR of roaming terminal, receive after the data that send to described roaming terminal, obtain the positional information of described roaming terminal, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Routing module, for described data being sent to the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
Above-mentioned interoperability services router also can have following characteristics, and the positional information that described position information acquisition module is obtained described roaming terminal comprises:
Described position information acquisition module is obtained the positional information of described roaming terminal from this locality; Or the positional information that described position information acquisition module is inquired about described roaming terminal to described ownership place identity location register ILR, receives the positional information of the described roaming terminal that described ownership place ILR returns.
The present invention also provides a kind of identity location register, described identity location register ILR is used for, when described ILR is during as the ownership place ILR of roaming terminal, receive after the request of positional information of the described roaming terminal of inquiry of ownership place ISR, the positional information of the described roaming terminal that this locality is preserved sends to described ownership place ISR; Or, the positional information of inquiring about described roaming terminal to visited place ILR, the positional information of the described roaming terminal that described visited place ILR is returned sends to described ownership place ISR.
The present invention also provides a kind of access service router, and described access service router-A SR comprises:
Position information acquisition module, for receiving after the data that send to roaming terminal, inquire about the positional information of described roaming terminal to ownership place ILR, and receive the positional information of the described roaming terminal that described ownership place ILR returns, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Routing module, for described data being sent to the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
The present invention also provides a kind of identity location register, described identity location register ILR is used for, when described ILR is during as the ownership place ILR of roaming terminal, receive after the request of positional information of the described roaming terminal of inquiry of ownership place ASR, inquire about the positional information of described roaming terminal to visited place ILR, the positional information that receives the described roaming terminal that described visited place ILR returns, returns to described ownership place ASR by the positional information of described roaming terminal.
Data routing method under the roaming scence that the embodiment of the present invention provides, the data of external network or marked net can route to visited place ISR or ASR by ownership place ISR, data in marked net can route to ownership place ISR by ownership place ASR, route to visited place ISR or ASR by ownership place ISR again, or, be routed directly to visited place ISR or ASR by ownership place ASR.
Accompanying drawing explanation
Fig. 1 is the Organization Chart of EPS in prior art;
Fig. 2 is the route schematic diagram of marked net built-in message;
Fig. 3 is in prior art, the schematic diagram of downlink data message route;
Fig. 4 a is the data flow schematic diagram of the embodiment of the present invention one;
Fig. 4 b is the flow chart of the embodiment of the present invention one;
Fig. 5 a is the data flow schematic diagram of the embodiment of the present invention two;
Fig. 5 b is the flow chart of the embodiment of the present invention two;
Fig. 6 a is the data flow schematic diagram of the embodiment of the present invention three;
Fig. 6 b is the flow chart of the embodiment of the present invention three;
Fig. 7 a is the data flow schematic diagram of the embodiment of the present invention four;
Fig. 7 b is the flow chart of the embodiment of the present invention four;
Fig. 8 is embodiment of the present invention interoperability services router block diagram;
Fig. 9 is embodiment of the present invention access service router block diagram.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the combination in any mutually of the feature in embodiment and embodiment in the application.
When marked net external data is first routed to ownership place ISR, if the positional information that has user to roam on ownership place ISR, this information can comprise: visited place, user place ISR information, or visited place, user place ASR information, ownership place ISR sends data to visited place ISR or ASR.
If the positional information that does not have user to roam on ownership place ISR, ownership place ISR need to be after the roaming position information of ownership place ILR inquiring user, then send data to visited place ISR or ASR.
The embodiment of the present invention provides the method for data route under a kind of roaming scence, comprising:
Ownership place interoperability services router ISR receives after the data that send to roaming terminal, obtain the positional information of described roaming terminal, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information, described ownership place ISR sends to described data the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
Wherein, the described data that described ownership place ISR receives are the data of marked net outside, or, be the data of marked net interior business server or user's transmission.
Wherein, the positional information that described ownership place ISR obtains described roaming terminal comprises:
Described ownership place ISR obtains the positional information of described roaming terminal from this locality; Or the positional information that described ownership place ISR inquires about described roaming terminal to described ownership place identity location register ILR, receives the positional information of the described roaming terminal that described ownership ILR returns.
Wherein, described ownership place ILR receives after the inquiry request of described ownership place ISR:
The positional information of the described roaming terminal that this locality is preserved sends to described ownership place ISR; Or,
Inquire about the positional information of described roaming terminal to visited place ILR, the positional information of the described roaming terminal that described visited place ILR is returned sends to described ownership place ISR.
The embodiment of the present invention also provides the method for data route under a kind of roaming scence, comprising:
Ownership place ASR receives after the data that send to roaming terminal, inquire about the positional information of described roaming terminal to ownership place ILR, and receive the positional information of the described roaming terminal that described ownership place ILR returns, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Described ownership place ASR sends to described data the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
Wherein, described ownership place ILR receives after the request of positional information of the described roaming terminal of inquiry of described ownership place ASR, inquire about the positional information of described roaming terminal to visited place ILR, the positional information that receives the described roaming terminal that described visited place ILR returns, returns to described ownership place ASR by the positional information of described roaming terminal.
Further illustrate the present invention below by instantiation.
Embodiment mono-and embodiment bis-for scene be that visited place operator only open ISR (for example: roaming agreement, for security consideration, does not want to expose the ASR accessing) to ownership place operator; Therefore data route can only be passed through visited place ISR, enters access zone network.
Embodiment tri-and embodiment tetra-for scene be, visited place operator opens ASR (for example: roaming agreement allow) to ownership place operator, data route can be routed directly to visited place ASR.
It should be noted that, in the application, the ASR of ownership place is called Home-ASR, and the ISR of ownership place is called Home-ISR, and the ILR of ownership place is called Home-ILR.The ASR of visited place is called Visited-ASR, and the ISR of visited place is called Visited-ISR, and the ILR of visited place is called Visited-ILR.
Embodiment mono-:
Fig. 4 a and Fig. 4 b are depicted as the first embodiment accompanying drawing, for the scheme of downlink data route in handoff scenario.Under this scene, visited place operator only opens ISR (comparative example three and embodiment tetra-) to ownership place operator.
The concrete steps of the present embodiment are as follows:
Step 401:UE roams, and user accesses from visited place, complete after authentication, and the identify label of Visited-ILR recording user and the map information of station location marker, wherein positional information comprises: the ASR of access and subscriber's outlet ISR information;
Step 402:Home-ILR knows that user roams, and in authentication process when this step may occur in user and accesses, or Visited-ILR completes after access authentication, proactive notification Home-ILR, the information that can carry visited place ISR.
Step 403:Home-ILR is after knowing user place visited place ISR, the information of the ISR of visited place, user place can be sent to Home-ISR, Home-ISR receives after message, preserves and upgrades local User Identity and the map information of station location marker.
Step 404: due to the identify label of the outside broadcasting user of ownership place ISR, therefore for example, in the time that external network (: traditional Internet) has downlink data to be sent to roaming terminal, data are first sent to ownership place ISR, Radix Angelicae Sinensis possession ISR receives after data message, if local positional information (not carrying out above-mentioned 403 steps) of not preserving this user, carries out 405-406 step.Preserve this user's identify label and the map information of station location marker (referring to step 403) if local, carry out 407 steps.
Step 405:Home-ISR obtains the positional information at user place to Home-ILR inquiry.
Step 406:Home-ILR returns to user's positional information to Home-ISR, if user roams, return to the Visited-ISR information of visited place, user place, can be the address information of Visited-ISR.
Step 407:Home-ISR, according to the Visited-ISR information of visited place, user place, sends to Visited-ISR by data message.
Visited-ISR receives after data message, if local positional information of not preserving this user is carried out 408-409 step, if local positional information of preserving user is carried out 410 steps;
Step 408:Visited-ISR obtains user's positional information, the i.e. information of Visited-ASR to Visited-ILR inquiry.
Step 409:Visited-ILR returns to the ASR information at user place to Visited-ISR, can be the address information of ASR.
Step 410: if data message is sent to Visited-ASR by Visited-ISR.
Step 411:Visited-ASR receives after data message, sends to roaming terminal.
Embodiment bis-:
Fig. 5 a and Fig. 5 b are depicted as the second embodiment accompanying drawing, for the scheme of downlink data route in handoff scenario.Now Home-ASR is the router of the interior service server of marked net or user's access, and this scene is applicable to user or service server access roaming terminal in marked net.
The concrete steps of the present embodiment are as follows:
Step 501:UE roams, and user accesses from visited place, complete after authentication, and the identify label of Visited-ILR recording user and the map information of station location marker, wherein positional information comprises: the ASR of access and subscriber's outlet ISR information;
Step 502:Home-ILR knows that user roams, and in authentication process when this step may occur in user and accesses, or Visited-ILR completes after access authentication, proactive notification Home-ILR, the information that can carry visited place ISR.
Step 503:Home-ILR is after knowing user place visited place ISR, the information of the ISR of visited place, user place can be sent to Home-ISR, Home-ISR receives after the renewal location information message of Home-ILR, upgrades the local User Identity of preserving and the map information of station location marker.
Step 504: service server or user in marked net, send datagram to roaming terminal, with the identify label of terminal, arrive couple in router Home-ASR.
Step 505:Home-ASR receives after data message, to the positional information of Home-ILR inquiry terminal.
Step 506:Home-ILR returns to user's positional information to Home-ASR, now user roams, if Home-ILR returns to the Visited-ISR information of visited place, user place, can be the address information of Visited-ISR, carries out 511 steps; If what Home-ILR returned is Home-ISR information, can be the address information of Home-ISR, carry out 507-510 step.
What specifically return here is Home-ISR address or Visited-ISR address, determined by roaming agreement between operator, if the Visited-ISR of visited place operator allows the ASR of ownership place operator access, can directly send data by Home-ASR to Visited-ISR; If the Visited-ISR of visited place operator does not allow the ASR access of ownership place operator, only open to Home-ISR, allow its access transmission data, now data need to first be routed to Home-ISR.
Data message is sent to Home-ISR by step 507:Home-ASR.
Step 508:Home-ISR receives after data message, if local positional information (not carrying out above-mentioned 503 steps) of not preserving this user, to the positional information of Home-ILR inquiry terminal, is carried out 509-510 step; If local positional information of preserving user, carries out 510 steps.
Step 509:Home-ILR returns to user's positional information to Home-ISR, now user roams, and Home-ILR returns to the Visited-ISR information of visited place, user place, can be the address information of Visited-ISR.
Step 510:Home-ISR, according to the Visited-ISR information of visited place, user place, sends to Visited-ISR by data message.
Step 511:Home-ASR receives after Visited-ISR information, data message is sent to Visited-ISR.
Subsequent step 512-515 is identical with the step 408-411 in embodiment mono-.
Embodiment tri-:
Fig. 6 a and Fig. 6 b are depicted as the 3rd embodiment accompanying drawing, for the scheme of downlink data route in handoff scenario, as shown in Figure 6 a.
As shown in Figure 6 b, step is as follows for the particular flow sheet of the present embodiment:
Step 601:UE roams, and user accesses from visited place, complete after authentication, and the identify label of Visited-ILR recording user and the map information of station location marker, wherein positional information comprises: the map information of the ASR of access and subscriber's outlet ISR;
Step 602:Home-ILR knows that user roams, and in authentication process when this step may occur in user and accesses, or Visited-ILR completes after access authentication, proactive notification Home-ILR, the information that can carry the access ASR of visited place.
Step 603:Home-ILR is after knowing user place visited place ASR, the information of the ASR of visited place, user place can be sent to Home-ISR, Home-ISR receives after the renewal location information message of Home-ILR, upgrades the local User Identity of preserving and the map information of station location marker.
Step 604: due to the identify label of the outside broadcasting user of Home-ISR, therefore for example, in the time that external network (: traditional Internet) has downlink data to be sent to roaming terminal, data are first sent to Home-ISR, when Home-ISR receives after data message, if local positional information (not carrying out 603 steps) of not preserving this user, carries out 605-608 step; Preserve this user's identity and the map information of position (referring to step 603) if local, carry out 609 steps.
Step 605:Home-ISR obtains the positional information at user place to Home-ILR inquiry.
Step 606: if not this user's positional information of Home-ILR this locality, and user roams, and Home-ILR need to be to the positional information of Visited-ILR inquiring user.
Step 607:Visited-ILR returns to user's positional information to Home-ILR, comprise the information of visited place, user place access ASR, for example address information of visited place ASR.
Step 608:Home-ILR returns to user's positional information to Home-ISR, comprise the Visited-ASR information of visited place, user place.
Step 609:Home-ISR, according to the Visited-ASR information of visited place, user place, sends to Visited-ASR by data message.
Step 610:Visited-ASR receives after data message, sends to roaming terminal.
Embodiment tetra-:
Fig. 7 a and Fig. 7 b are depicted as the 4th embodiment accompanying drawing, for the scheme of downlink data route in handoff scenario, as shown in Figure 7a.It should be noted that, now Home-ASR is the router of the interior service server of marked net or user's access, and this scene is applicable to user or service server access roaming terminal in marked net.
As shown in Figure 7b, step is as follows for the particular flow sheet of the present embodiment:
Step 701:UE roams, and user accesses from visited place, complete after authentication, and the identify label of Visited-ILR recording user and the map information of station location marker, wherein positional information comprises: the map information of the ASR of access and subscriber's outlet ISR;
Step 702:Home-ILR knows that user roams, and in authentication process when this step may occur in user and accesses, or Visited-ILR completes after access authentication, proactive notification Home-ILR, the information that can carry access ASR.
Step 703: service server or user in marked net, send datagram to roaming terminal, with the identify label of terminal, arrive couple in router Home-ASR.
Step 704:Home-ASR receives after data message, to the positional information of Home-ILR inquiry terminal.
Step 705: if Home-ILR this locality does not have the positional information of roaming terminal, obtain positional information to visited place ILR inquiry.
Step 706: if visited place operator exposes ASR to ownership place operator, visited place ILR returns to the ASR of the visited place of user's access to Home-ILR.
Step 707:Home-ILR returns to user's positional information to Home-ASR, comprise the Visited-ASR information of visited place, user place.
Step 708:Home-ASR, according to the Visited-ASR information of visited place, user place, sends to Visited-ASR by data message.
Step 709:Visited-ASR receives after data message, sends to roaming terminal.
In another embodiment of the present invention, similar embodiment two, also can route to Home-ISR by Home-ASR, and Home-ISR routes to the method similar embodiment three of Visited-ASR, repeats no more herein.
The embodiment of the present invention also provides a kind of interoperability services router, and as shown in Figure 8, described interoperability services router ISR comprises:
Position information acquisition module, for at described ISR during as the ownership place ISR of roaming terminal, receive after the data that send to described roaming terminal, obtain the positional information of described roaming terminal, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Routing module, for described data being sent to the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
Wherein, the positional information that described position information acquisition module is obtained described roaming terminal comprises:
Described position information acquisition module is obtained the positional information of described roaming terminal from this locality; Or the positional information that described position information acquisition module is inquired about described roaming terminal to described ownership place identity location register ILR, receives the positional information of the described roaming terminal that described ownership place ILR returns.
The embodiment of the present invention also provides a kind of identity location register, described identity location register ILR is used for, when described ILR is during as the ownership place ILR of roaming terminal, receive after the request of positional information of the described roaming terminal of inquiry of ownership place ISR, the positional information of the described roaming terminal that this locality is preserved sends to described ownership place ISR; Or, the positional information of inquiring about described roaming terminal to visited place ILR, the positional information of the described roaming terminal that described visited place ILR is returned sends to described ownership place ISR.
The embodiment of the present invention also provides the system that comprises above-mentioned ownership place ISR and ownership place ILR.
The embodiment of the present invention also provides a kind of access service router, and as shown in Figure 9, described access service router-A SR comprises:
Position information acquisition module, for receiving after the data that send to roaming terminal, inquire about the positional information of described roaming terminal to ownership place ILR, and receive the positional information of the described roaming terminal that described ownership place ILR returns, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Routing module, for described data being sent to the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
The embodiment of the present invention also provides a kind of identity location register, described identity location register ILR is used for, when described ILR is during as the ownership place ILR of roaming terminal, receive after the request of positional information of the described roaming terminal of inquiry of ownership place ASR, inquire about the positional information of described roaming terminal to visited place ILR, the positional information that receives the described roaming terminal that described visited place ILR returns, returns to described ownership place ASR by the positional information of described roaming terminal.
The embodiment of the present invention also provides the system that comprises above-mentioned ownership place ASR and ownership place ILR.
One of ordinary skill in the art will appreciate that all or part of step in said method can carry out instruction related hardware by program and complete, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, the each module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (10)
1. a method for data route under roaming scence, is characterized in that, comprising:
Ownership place interoperability services router ISR receives after the data that send to roaming terminal, obtain the positional information of described roaming terminal, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information, described ownership place ISR sends to described data the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
2. the method for claim 1, is characterized in that, the positional information that described ownership place ISR obtains described roaming terminal comprises:
Described ownership place ISR obtains the positional information of described roaming terminal from this locality; Or the positional information that described ownership place ISR inquires about described roaming terminal to described ownership place identity location register ILR, receives the positional information of the described roaming terminal that described ownership place ILR returns.
3. method as claimed in claim 2, is characterized in that, described method also comprises:
Described ownership place ILR receives after the inquiry request of described ownership place ISR:
The positional information of the described roaming terminal that this locality is preserved sends to described ownership place ISR; Or,
Inquire about the positional information of described roaming terminal to visited place ILR, the positional information of the described roaming terminal that described visited place ILR is returned sends to described ownership place ISR.
4. a method for data route under roaming scence, is characterized in that, comprising:
Ownership place ASR receives after the data that send to roaming terminal, inquire about the positional information of described roaming terminal to ownership place ILR, and receive the positional information of the described roaming terminal that described ownership place ILR returns, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Described ownership place ASR sends to described data the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
5. method as claimed in claim 4, is characterized in that, described method also comprises:
Described ownership place ILR receives after the request of positional information of the described roaming terminal of inquiry of described ownership place ASR, inquire about the positional information of described roaming terminal to visited place ILR, the positional information that receives the described roaming terminal that described visited place ILR returns, returns to described ownership place ASR by the positional information of described roaming terminal.
6. an interoperability services router, is characterized in that, described interoperability services router ISR comprises:
Position information acquisition module, for at described ISR during as the ownership place ISR of roaming terminal, receive after the data that send to described roaming terminal, obtain the positional information of described roaming terminal, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Routing module, for described data being sent to the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
7. interoperability services router as claimed in claim 6, is characterized in that, the positional information that described position information acquisition module is obtained described roaming terminal comprises:
Described position information acquisition module is obtained the positional information of described roaming terminal from this locality; Or the positional information that described position information acquisition module is inquired about described roaming terminal to described ownership place identity location register ILR, receives the positional information of the described roaming terminal that described ownership place ILR returns.
8. an identity location register, it is characterized in that, described identity location register ILR is used for, when described ILR is during as the ownership place ILR of roaming terminal, receive after the request of positional information of the described roaming terminal of inquiry of ownership place ISR, the positional information of the described roaming terminal that this locality is preserved sends to described ownership place ISR; Or, the positional information of inquiring about described roaming terminal to visited place ILR, the positional information of the described roaming terminal that described visited place ILR is returned sends to described ownership place ISR.
9. an access service router, is characterized in that, described access service router-A SR comprises:
Position information acquisition module, for receiving after the data that send to roaming terminal, inquire about the positional information of described roaming terminal to ownership place ILR, and receive the positional information of the described roaming terminal that described ownership place ILR returns, described positional information comprises: visited place, described roaming terminal place ISR information, or, described roaming terminal place visited place access service router-A SR information;
Routing module, for described data being sent to the visited place ISR of described roaming terminal, or, described data are sent to the visited place ASR of described roaming terminal.
10. an identity location register, it is characterized in that, described identity location register ILR is used for, when described ILR is during as the ownership place ILR of roaming terminal, receive after the request of positional information of the described roaming terminal of inquiry of ownership place ASR, inquire about the positional information of described roaming terminal to visited place ILR, receive the positional information of the described roaming terminal that described visited place ILR returns, the positional information of described roaming terminal is returned to described ownership place ASR.
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| CN201210407499.9A CN103781047A (en) | 2012-10-23 | 2012-10-23 | Data routing method in roaming, intercommunication service router and access service router |
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