CN102752779B - System and method for achieving directional connection in mobile communication network - Google Patents
System and method for achieving directional connection in mobile communication network Download PDFInfo
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Abstract
The invention discloses a system for achieving directional connection in a mobile communication network. The system comprises a mobile station (MS), a service general packet radio service supporting node (SGSN), a directional connected node (DCN) and a gateway general packet radio service support node (GGSN), wherein the MS, the SGSN, the DCN and the GGSN are connected sequentially, and the SGSN is also connected with a domain name server (DNS). The invention also discloses a method which achieves directional connection based on the system. By the aid of the system and the method, the communication connection between the SGSN and the intended target GGSN is achieved, on the condition that a normal business process is not affected, communication connection or the GGSN in a pool network structure can be individually tested, network connection traversal detection of a redundant network can be finished without a lot of tests, and fault location tests are implemented in fault processing, so that requirements for network operating maintenance and test are met.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the system and method for realizing directed connection in a kind of mobile communications network.
Background technology
3GPP(third generation partner program) mobile communications network is linked into outer data network after can providing mobile terminal to activate, the ability of data service is provided, and existing network communication systems such as GPRS, TDS-CDMA, WCDMA all can be mobile terminal provides data service.
Now take activation and the connection procedure of GPRS as example explanation mobile terminal.As shown in Figure 1, the network side nucleus equipment of gprs system has comprised serving GPRS support node SGSN and gateway support node GGSN.According to 3GPP standard, mobile terminal, before activating online, as shown in Figure 2, generally need complete in advance access point APN(Access Point Name in terminal) parameter setting, then just initiate PDP(packet data protocol) context activation signaling process.In APN field in PDP context activation demand signalling message, just comprised the APN parameter that terminal sets in advance, but this field may be also sky.The PDP context activation demand signalling that mobile terminal is initiated, sends to serving GPRS support node SGSN(by wireless access network and Gb Interface and sees Fig. 1).Serving GPRS support node SGSN is receiving PDP context activation demand signalling, through inner APN, is selecting, after flow processing success, to domain name server (DNS), to initiate the domain name mapping request for this APN parameter; In success situation, domain name server (DNS) will respond the IP address that a group (one or more) represents intended gateway support node GGSN to serving GPRS support node SGSN.The gateway support node GGSN initiation PDP Context request to create signaling that serving GPRS support node SGSN selects one of them IP address, then represents to this IP address by GPRS Tunnel Protocol signaling plane (GTP-C), proceeds whole activation process (see figure 2) to complete the foundation of GPRS Tunnel Protocol user face (GTP-U).Therefore,, in an activation, in communication connection, the selection of gateway support node GGSN is to resolve and realize by take domain name addresses that APN be to indicate, so the communication connection of serving GPRS support node SGSN and gateway support node GGSN is dynamic.
Generally, take an APN to resolve the IP address mode of corresponding a plurality of gateway support node GGSN, to form the networking mode of GGSN pond group, therefore the serving GPRS support node SGSN that initiates PDP Context request to create signaling is and GGSN pond group forms corresponding relation, and the communication connection of serving GPRS support node SGSN and concrete gateway support node GGSN is determined by each activation temporarily.The dynamic annexation of serving GPRS support node SGSN and gateway support node GGSN has increased the flexibility of network configuration, can realize GGSN load sharing and redundancy feature.
Yet pond group networking and dynamically connected mode are safeguarded and have been increased difficulty the network operation, particularly network service test have been caused to obstacle.In the network operation is safeguarded, operator generally takes various means of testing (for example terminal testing, emulation testing) to initiate quality of service detection and troubleshooting, but due to concrete connection that lacks effective means and determine or specify serving GPRS support node SGSN and particular gateway support node GGSN in each activation, therefore there is no at present method finished surface to independent individual in the group of GGSN pond and specify the traversal detection demand being connected, also cannot realize the necessary directed connecting test requirement of fault location.Therefore, existing network communication system power of test is low at present, can only be to complete the detection of network connecting part traversal and fault location discovery test by a large amount of test jobs.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the system that realizes directed connection in a kind of mobile communications network is provided, to realize the communication connection of serving GPRS support node SGSN and intended target gateway support node GGSN, thereby meet network operation maintenance and testing requirement.Another object of the present invention is to provide based on said system and realize the directed method connecting.
Object of the present invention is achieved by the following technical programs:
In a kind of mobile communications network provided by the invention, realize the directed system connecting, comprise
Mobile terminal MS, for initiating online request, initiates with the PDP activation process headed by PDP context activation demand signalling;
Serving GPRS support node SGSN, the PDP context activation demand signalling of initiating for mobile terminal receive MS, carry out the inter-process of 3GPP regulation and stipulation, for the backward directed connected node DCN continuation of address resolution of specific APN, initiate with the PDP activation process headed by PDP Context request to create signaling;
Directed connected node DCN, for obtaining the IP address of intended gateway support node GGSN and communicating to connect APN title used, renewal PDP Context request to create signaling, then to gateway support node GGSN, forward the PDP Context request to create signaling after upgrading; And the PDP Context that receives gateway support node GGSN response creates response signaling and directly to serving GPRS support node SGSN, forwards;
Gateway support node GGSN, for carrying out the processing of 3GPP regulation and stipulation, response PDP Context request to create signaling and subsequent treatment thereof;
Domain name server (DNS), for providing the domain name mapping service for APN to serving GPRS support node SGSN;
Described mobile terminal MS, serving GPRS support node SGSN, directed connected node DCN, gateway support node GGSN connect successively, and domain name server DNS is connected with serving GPRS support node SGSN.
System of the present invention arranges directed connected node DCN between serving GPRS support node SGSN and gateway support node GGSN.Mobile terminal MS sends after PDP context activation demand signalling, first by directed connected node DCN, receive and process PDP Context request to create signaling, and carry out according to this directed connection and process and the information of acquisition intended gateway support node GGSN and communication connection APN used, then the PDP Context request to create signaling after processing is sent to intended gateway support node GGSN; And then forward the PDP Context establishment response signaling from intended gateway support node GGSN to serving GPRS support node SGSN, by serving GPRS support node SGSN, to mobile terminal MS, send PDP context activation response signaling afterwards, thereby complete activation process.Follow-up flow process is directly carried out between serving GPRS support node SGSN and intended gateway support node GGSN.
Further, directed connected node DCN of the present invention comprises following functions module:
Signaling receives/sends and resolution unit, for receiving the PDP Context request to create signaling of serving GPRS support node SGSN transmission and resolving, then related signaling information is sent to the directed processing unit that connects; Receive the result of directed connection processing unit and carry out PDP Context request to create signalling coding, then sending to intended gateway support node GGSN; The PDP Context of receiving target gateway support node GGSN creates response signaling and is directly transmitted to serving GPRS support node SGSN;
The directed processing unit that connects, for point-to-point to PPP() agreement connects parameter and decodes, and obtain communication connection intended gateway support node GGSN numbering and communicate to connect the title of APN used; Intended gateway support node GGSN numbering is carried out to map locating to obtain communication connection IP address corresponding to intended gateway support node GGSN; The PDP Context request to create signaling receiving is upgraded, revised, and send to signaling to receive/send and resolution unit;
Mapping relations table and administrative unit, for preserving the corresponding relation of gateway support node GGSN numbering and its IP address; Described corresponding relation is increased/deleted/maintenance management revised;
Described serving GPRS support node SGSN receives/sends with signaling respectively with gateway support node GGSN and is connected with resolution unit.
Another object of the present invention is achieved by the following technical programs:
In a kind of mobile communications network provided by the invention, realize the directed method connecting, based on said system, comprise the following steps:
(1) orientation of pointing to directed connected node DCN in mobile terminal MS connects APN parameter used setting, and connects the parameter setting that includes communication connection intended gateway support node GGSN information and communication connection APN information used for ppp protocol;
(2) mobile terminal MS is initiated PDP context activation demand signalling;
(3) serving GPRS support node SGSN receives after the PDP context activation demand signalling of mobile terminal MS, initiates to connect for orientation the domain name mapping request of APN used to domain name server (DNS), and address resolution result is pointed to directed connected node DCN;
(4) serving GPRS support node SGSN and then initiate PDP Context request to create signaling to directed connected node DCN;
(5) directed connected node DCN receives after PDP Context request to create signaling, carries out orientation and connects processing, to obtain the IP address of intended gateway support node GGSN and to communicate to connect APN used and upgrade PDP Context request to create signaling; If directed, connect and process successfully, carry out step (6); If directed, connect processing unsuccessful, go to step (10);
(6) directed connected node DCN, to the IP address of intended gateway support node GGSN, initiates the PDP Context request to create signaling after upgrading;
(7) intended gateway support node GGSN responds the PDP Context request to create of directed connected node DCN, and sends PDP Context establishment response signaling to directed connected node DCN;
(8) directed connected node DCN directly forwards PDP Context to serving GPRS support node SGSN and creates response signaling;
(9) serving GPRS support node SGSN sends PDP context activation response signaling to mobile terminal MS, completes activation;
(10) directed connected node DCN sends PDP Context to serving GPRS support node SGSN and creates rejection signaling;
(11) serving GPRS support node SGSN sends PDP context activation rejection signaling to mobile terminal MS, and activation finishes.
The processing of the activation of the inventive method by mobile terminal MS pre-configured (or in emulation testing corresponding setting) and directed connected node DCN, the intended gateway support node GGSN that realizes serving GPRS support node SGSN and appointment establishes a communications link, to meet towards the individual traversal detection being connected with appointment of gateway support node GGSN pond group and the directed connecting test requirement of fault location.
Further, in step described in the inventive method (1), ppp protocol connects parameter, be on the basis of original subscriber name/original subscriber password setting, in conjunction with communication connection intended gateway support node GGSN numbering and communicate to connect the coding of APN used, with the form of user name/user cipher, arrange.For example, can take following mode to arrange:
Mode one: described user is called xxx yyy original subscriber name, wherein xxx represents intended target gateway support node GGSN numbering, yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
Mode two: described user cipher is xxx@yyy@original subscriber password, wherein xxx represents intended target gateway support node GGSN numbering, yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
Mode three: described user is called xxx original subscriber name, wherein xxx represents intended target gateway support node GGSN numbering; Described user cipher is yyy@original subscriber password, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
Mode four: described user cipher is xxx@original subscriber password, wherein xxx represents intended target gateway support node GGSN numbering; Described user is called yyy original subscriber name, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
In described step (5), directed connection processes, and comprises that the ppp protocol in described step (1) is connected to the parameter arranging decodes, and obtains the numbering of communication connection intended gateway support node GGSN and communicates to connect APN title used; According to predefined mapping relations, thereby intended gateway support node GGSN numbering is shone upon to the IP address that obtains intended gateway support node GGSN; Upgrading APN field parameter in PDP Context request to create signaling is the setting of original subscriber name/original subscriber password for communicating to connect APN used, recovering ppp protocol user name/user cipher.
The present invention has following beneficial effect:
1, adopt the directed independent APN mode that connects unified APN, point to directed connected node DCN and by it, carry out orientation connection and process, to existing network, other APN operations do not impact.And, in the situation that does not affect regular traffic flow process, can test separately each communication connection in the group network configuration of pond or particular gateway support node GGSN, the network that can complete in redundant network without a large amount of tests connects traversal detection, thereby realizes the integrality of test.
2,, when troubleshooting, test and comparison by different gateway support node GGSN communication connections, realize fault location, thereby power of test risen to fault location from the fault discovery of prior art.
3,, by the transfer of directed connected node DCN, realize the profound quality analyses such as the decomposable time delay of wireless side and network side, packet loss.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail:
Fig. 1 is prior art GPRS network activation system schematic;
Fig. 2 is prior art GPRS network activation signaling process schematic diagram;
Fig. 3 is the structural principle block diagram of embodiment of the present invention system;
Fig. 4 is embodiment of the present invention network activation process signaling process schematic diagram;
Fig. 5 is embodiment of the present invention network activation procedures system schematic diagram.
In figure: mobile terminal MS 101, serving GPRS support node SGSN 102, directed connected node DCN 103, gateway support node GGSN 104, domain name server (DNS) 105
Embodiment
Fig. 3～Figure 5 shows that realizes the embodiment of the directed system and method connecting in mobile communications network of the present invention.
As shown in Figure 3, in the present embodiment mobile communications network, realize the directed system connecting, comprising:
Mobile terminal MS 101, for initiating online request, initiates with the PDP activation process headed by PDP context activation demand signalling;
Serving GPRS support node SGSN 102, the PDP context activation demand signalling of initiating for mobile terminal receive MS 101, carry out after the inter-process and the address resolution for specific APN of the 3GPP regulation and stipulations such as authentication, by GTP protocol signaling face GTP_C, to directed connected node DCN 103, continue to initiate with the PDP activation process headed by PDP Context request to create signaling;
Directed connected node DCN 103, for obtaining the IP address of intended gateway support node GGSN 104 and communicating to connect APN title used, renewal PDP Context request to create signaling, the PDP Context request to create signaling then forwarding after upgrading to gateway support node GGSN 104 by GTP protocol signaling face GTP_C; And the PDP Context that receives gateway support node GGSN 104 responses creates response signaling and directly to serving GPRS support node SGSN 102, forwards;
Gateway support node GGSN 104, for carrying out the processing of 3GPP regulation and stipulation, response PDP Context request to create signaling and relevant subsequent are processed;
Domain name server (DNS) 105, for providing the domain name mapping service for APN to serving GPRS support node SGSN 102;
Mobile terminal MS 101, serving GPRS support node SGSN 102, directed connected node DCN 103, gateway support node GGSN 104 connect successively, and domain name server (DNS) 105 is connected with serving GPRS support node SGSN 102.
Directed connected node DCN 103 comprises following functions module:
1, signaling receives/sends and resolution unit 1031, for receiving the PDP Context request to create signaling of serving GPRS support node SGSN 102 transmissions and resolving, then related signaling information is sent to the directed processing unit 1032 that connects; Receive the result of directed connection processing unit 1032 and carry out PDP Context request to create signalling coding, then sending to intended gateway support node GGSN 104; The PDP Context of receiving target gateway support node GGSN 104 creates response signaling and is directly transmitted to serving GPRS support node SGSN 102.
2, the directed processing unit 1032 that connects, decodes for ppp protocol is connected to parameter, obtains communication connection intended gateway support node GGSN numbering and communicates to connect APN used; Intended gateway support node GGSN numbering is carried out to map locating to obtain communication connection IP address corresponding to intended gateway support node GGSN; The PDP Context request to create signaling receiving is upgraded, revised, and send to signaling to receive/send and resolution unit 1031;
3, mapping relations table and administrative unit 1033, for preserving the corresponding relation of gateway support node GGSN numbering and its IP address; These corresponding relations are increased/deleted/revise and wait maintenance management.
Serving GPRS support node SGSN 102 receives/sends with signaling respectively with gateway support node GGSN 104 and is connected with resolution unit 1031.
In the present embodiment mobile communications network, realize the directed method connecting, based on said system, as shown in Figure 4 and Figure 5, its step is as follows:
(1) orientation of pointing to directed connected node DCN 103 in mobile terminal MS 101 connects APN parameter used setting, at this, can adopt the mode of unified APN domain name; And for ppp protocol be connected on the basis of original subscriber name/original subscriber password setting, in conjunction with communication connection intended gateway support node GGSN numbering with communicate to connect the coding of APN used, with the form of user name/user cipher, carry out parameter setting; Ppp protocol connects parameter and can arrange in the following ways:
Mode one: user is called xxx yyy original subscriber name, wherein xxx represents intended target gateway support node GGSN numbering, yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
Mode two: user cipher is xxx@yyy@original subscriber password, wherein xxx represents intended target gateway support node GGSN numbering, yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
Mode three: user is called xxx original subscriber name, wherein xxx represents intended target gateway support node GGSN numbering; User cipher is yyy@original subscriber password, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
Mode four: user cipher is xxx@original subscriber password, wherein xxx represents intended target gateway support node GGSN numbering; User is called yyy original subscriber name, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
For example, as shown in Figure 4, when orientation connects APN parameter used and arranges, the unification of APN domain name is decided to be to " test ", represents to point to directed connected node DCN 103.When ppp protocol connection parameter arranges, adopt aforesaid way one, user is called " ggsn5 cmwap " (original subscriber is by name empty), represents that intended target gateway support node GGSN is numbered " GGSN5 ", and communicating to connect APN used is " cmwap ".
(2) mobile terminal MS 101 is initiated PDP context activation demand signalling.
(3) serving GPRS support node SGSN 102 receives after the PDP context activation demand signalling of mobile terminal MS 101, the analysis request of initiating for APN domain name " test " to domain name server (DNS) 105, address resolution result is pointed to directed connected node DCN 103.
(4) serving GPRS support node SGSN 102 and then initiate PDP Context request to create signalings to directed connected node DCN 103.
(5) directed connected node DCN 103 receives after PDP Context request to create signaling, carries out orientation and connects processing; If directed, connect and process successfully, carry out step (6); If directed, connect processing unsuccessful, go to step (10).In directed connected node DCN 103, the detailed process that its directed connection is processed is as follows:
(5-1) by signaling, receive/send and resolution unit 1031, receive the PDP Context request to create signaling that serving GPRS support node SGSN 102 sends, and related signaling information is sent to the directed processing unit 1032 that connects;
(5-2) the directed processing unit 1032 that connects, the parameter " ggsn5@cmwap " that ppp protocol connect is arranged is decoded, obtain original subscriber name/original subscriber password, communication connection intended gateway support node GGSN numbering " GGSN5 ", communicate to connect APN used i.e. " cmwap "; Then according to numbering " GGSN5 ", carry out map locating to obtain corresponding IP address, and the PDP Context request to create signaling receiving is upgraded, revised, be about to the IP address of numbering " GGSN5 " as the transmission destination address of PDP Context request to create signaling, it is that " cmwap ", ppp protocol parametric user name revert to sky (being original subscriber's name) that APN parameter is updated to the communication connection APN used obtaining that decodes; Then by upgrading the result of processing, send to signaling to receive/send and resolution unit 1031.
(6) signaling in directed connected node DCN 103 receives/sends with resolution unit 1031 receptions are directed and is connected the result of processing unit 1032 and encodes, and then to the intended gateway support node GGSN that is numbered " GGSN5 ", initiates to upgrade the PDP Context request to create signaling after processing.
(7) intended gateway support node GGSN 104(is numbered " GGSN5 ") respond the PDP Context request to create of directed connected node DCN103, and send PDP Context establishment response signaling to directed connected node DCN 103.
(8) signaling in directed connected node DCN 103 receives/sends and resolution unit 1031 reception PDP Contexts establishment response signalings, and is directly transmitted to serving GPRS support node SGSN 102.
(9) serving GPRS support node SGSN 102 sends PDP context activation response signaling to mobile terminal MS 101, completes activation;
(10) receive/transmission of the signaling in directed connected node DCN 103 and resolution unit 1031 are sent PDP Context to serving GPRS support node SGSN 102 and are created rejection signaling;
(11) serving GPRS support node SGSN 102 sends PDP context activation rejection signaling to mobile terminal MS 101, and activation finishes.
Claims (7)
1. in mobile communications network, realize the directed system connecting, it is characterized in that comprising:
Mobile terminal MS (101), for initiating online request, initiates with the PDP activation process headed by PDP context activation demand signalling;
Serving GPRS support node SGSN (102), the PDP context activation demand signalling of initiating for mobile terminal receive MS (101), carry out the inter-process of 3GPP regulation and stipulation, for the backward directed connected node DCN of address resolution (103) continuation of specific APN, initiate with the PDP activation process headed by PDP Context request to create signaling;
Directed connected node DCN (103), be used for obtaining the IP address of intended gateway support node GGSN (104) and communicate to connect APN title used, renewal PDP Context request to create signaling, then to gateway support node GGSN (104), forward the PDP Context request to create signaling after upgrading; And the PDP Context that receives gateway support node GGSN (104) response creates response signaling and directly to serving GPRS support node SGSN (102), forwards;
Gateway support node GGSN (104), for carrying out the processing of 3GPP regulation and stipulation, response PDP Context request to create signaling and subsequent treatment thereof;
Domain name server (DNS) (105), for providing the domain name mapping service for APN to serving GPRS support node SGSN (102);
Described mobile terminal MS (101), serving GPRS support node SGSN (102), directed connected node DCN (103), gateway support node GGSN (104) connect successively, and domain name server DNS (105) is connected with serving GPRS support node SGSN (102);
Wherein, described directed connected node DCN (103) comprises following functions module:
Signaling receives/sends and resolution unit (1031), be used for receiving the PDP Context request to create signaling of serving GPRS support node SGSN (102) transmission and resolving, then related signaling information sent to the directed processing unit (1032) that connects; Receive the result of directed connection processing unit (1032) and carry out PDP Context request to create signalling coding, then sending to intended gateway support node GGSN (104); The PDP Context of receiving target gateway support node GGSN (104) creates response signaling and is directly transmitted to serving GPRS support node SGSN (102);
The directed processing unit (1032) that connects, decodes for ppp protocol is connected to parameter, obtains the title that communicates to connect intended gateway support node GGSN numbering and communicate to connect APN used; Intended gateway support node GGSN numbering is carried out to map locating to obtain communication connection IP address corresponding to intended gateway support node GGSN; The PDP Context request to create signaling receiving is upgraded, revised, and send to signaling to receive/send and resolution unit (1031);
Mapping relations table and administrative unit (1033), for preserving the corresponding relation of gateway support node GGSN numbering and its IP address; Described corresponding relation is increased/deleted/maintenance management revised;
Described serving GPRS support node SGSN (102) receives/sends with signaling respectively with gateway support node GGSN (104) and is connected with resolution unit (1031).
2. in mobile communications network, realize the directed method connecting, it is characterized in that: based on system described in claim 1, comprise the following steps:
(1) orientation of pointing to directed connected node DCN (103) in mobile terminal MS (101) connects APN parameter used setting, and connects the parameter setting that includes communication connection intended gateway support node GGSN information and communication connection APN information used for ppp protocol;
(2) mobile terminal MS (101) is initiated PDP context activation demand signalling;
(3) serving GPRS support node SGSN (102) receives after the PDP context activation demand signalling of mobile terminal MS (101), to domain name server (DNS) (105), initiate to connect for orientation the domain name mapping request of APN used, address resolution result is pointed to directed connected node DCN (103);
(4) serving GPRS support node SGSN (102) and then initiate PDP Context request to create signaling to directed connected node DCN (103);
(5) directed connected node DCN (103) receives after PDP Context request to create signaling, carries out orientation and connects processing, to obtain the IP address of intended gateway support node GGSN and to communicate to connect APN used, and upgrades PDP Context request to create signaling; If directed, connect and process successfully, carry out step (6); If directed, connect processing unsuccessful, go to step (10);
(6) directed connected node DCN (103), to the IP address of intended gateway support node GGSN, initiates the PDP Context request to create signaling after upgrading;
(7) intended gateway support node GGSN (104) responds the PDP Context request to create of directed connected node DCN (103), and sends PDP Context establishment response signaling to directed connected node DCN (103);
(8) directed connected node DCN (103) directly forwards PDP Context to serving GPRS support node SGSN (102) and creates response signaling;
(9) serving GPRS support node SGSN (102) sends PDP context activation response signaling to mobile terminal MS (101), completes activation;
(10) directed connected node DCN (103) sends PDP Context to serving GPRS support node SGSN (102) and creates rejection signaling;
(11) serving GPRS support node SGSN (102) sends PDP context activation rejection signaling to mobile terminal MS (101), and activation finishes.
3. in mobile communications network according to claim 2, realize the directed method connecting, it is characterized in that:
In described step (1), ppp protocol connects parameter, be on the basis of original subscriber name/original subscriber password setting, in conjunction with communication connection intended gateway support node GGSN numbering and communicate to connect the coding of APN used, with the form of user name/user cipher, arrange;
In described step (5), directed connection processes, and comprises that the ppp protocol in described step (1) is connected to the parameter arranging decodes, and obtains the numbering of communication connection intended gateway support node GGSN and communicates to connect APN title used; According to predefined mapping relations, thereby intended gateway support node GGSN numbering is shone upon to the IP address that obtains intended gateway support node GGSN; Upgrading APN field parameter in PDP Context request to create signaling is the setting of original subscriber name/original subscriber password for communicating to connect APN used, recovering ppp protocol user name/user cipher.
4. in mobile communications network according to claim 3, realize the directed method connecting, it is characterized in that: during described step (1) ppp protocol connection parameter arranges, user is called xxx yyy original subscriber name, wherein xxx represents intended target gateway support node GGSN numbering, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
5. in mobile communications network according to claim 3, realize the directed method connecting, it is characterized in that: during described step (1) ppp protocol connection parameter arranges, user cipher is xxx@yyy@original subscriber password, wherein xxx represents intended target gateway support node GGSN numbering, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
6. in mobile communications network according to claim 3, realize the directed method connecting, it is characterized in that: during described step (1) ppp protocol connection parameter arranges, user is called xxx original subscriber name, and wherein xxx represents intended target gateway support node GGSN numbering; Described user cipher is yyy@original subscriber password, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
7. in mobile communications network according to claim 3, realize the directed method connecting, it is characterized in that: during described step (1) ppp protocol connection parameter arranges, user cipher is xxx@original subscriber password, and wherein xxx represents intended target gateway support node GGSN numbering; Described user is called yyy original subscriber name, and yyy is the upper communication connection APN title used that activates of intended gateway support node GGSN.
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| CN102083173A (en) * | 2009-11-26 | 2011-06-01 | 中国移动通信集团广东有限公司 | Network access control method, equipment and gateway GPRS support node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101426227A (en) * | 2008-11-21 | 2009-05-06 | 中国移动通信集团广东有限公司 | PDP context activation method using GGSN resource pool having priority in packet domain |
| CN101516123A (en) * | 2008-12-05 | 2009-08-26 | 中国移动通信集团广东有限公司 | Data service packet access roaming control method and system |
| CN102065407A (en) * | 2009-11-16 | 2011-05-18 | 中国移动通信集团广东有限公司 | Accessing method of gateway general packet radio service (GPRS) supporting node and serving GPRS supporting node |
| CN102083173A (en) * | 2009-11-26 | 2011-06-01 | 中国移动通信集团广东有限公司 | Network access control method, equipment and gateway GPRS support node |
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