CN101516123A - Data service packet access roaming control method and system - Google Patents
Data service packet access roaming control method and system Download PDFInfo
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- CN101516123A CN101516123A CNA200810219724XA CN200810219724A CN101516123A CN 101516123 A CN101516123 A CN 101516123A CN A200810219724X A CNA200810219724X A CN A200810219724XA CN 200810219724 A CN200810219724 A CN 200810219724A CN 101516123 A CN101516123 A CN 101516123A
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Abstract
The invention discloses a data service packet access roaming control method, which controls an IP address of SGSN initiating an access request through GGSN to realize flexibly limiting service access requests which take access point names APN as service identifiers and are initiated in different areas by users so as to achieve area control permitted by service access. The invention also discloses a data service packet access roaming control system. The invention realizes the effective data service packet access roaming control method through further improvement of a GGSN internal signal processing process, and has the data service packet access roaming limit capacity by taking APN as identifiers under two signal conditions of establishing PDP context requests and updating PDP context requests.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of method and system of data service packet access roaming control.
Background technology
In 3G packet domain and the GPRS network, system can realize with the zone being the terminal roaming control of target; The user distinguishes with APN by the different external packet data network of GGSN visit; Each user is when carrying out the data traffic packets access, and at first should initiate earlier with APN is PDP (Packet Data Protocol) the activation request of key parameter.
Terminal is finished by SGSN control in attachment stage in the roaming control of zones of different generally speaking.Adhere to as long as finish success, terminal just can be initiated APN in this zone and activate request, realizes that the grouping of data service inserts., just can initiate to comprise the PDP activation request of APN parameter to network side promptly as long as but terminal is positioned at random zone; After GGSN receives " the Create PDP Context Request " that SGSN sends, create the inter-process of PDP Context request, pass through if handle, GGSN just responds " Create PDP Context Response (Cause value is Request Accepted) ", and whether to allow to roam the business of use with terminal be to have nothing to do and GGSN creates the internal processes of PDP Context request.
In addition, after terminal realizes successfully that in the zone that old SGSN covers data traffic packets inserts, along with terminal moves and when entering regional that new SGSN covers, can continue to keep data traffic packets to insert by " Inter SGSNRouteing Area Update " flow process.In 3G packet domain and the GPRS network, system can realize with the zone being the terminal roaming control of target; And user can to register with APN be the multinomial data access service of sign, along with the development of data service and abundant, the roaming access control of various data services need further be provided on the basis of zone roaming, realize the roaming restriction of difference different pieces of information business.
GGSN can't realize that the direct grouping of APN level inserts limitation capability at present, and the also uncontrollable indirect grouping that takes place by Routing Area Update inserts restriction.
Current also have scheme to pass through the APN resolution response that the different SGSN of DNS (Domain Name Service) server controls initiate, and realizes that the different pieces of information service roaming in the S GSN overlay area inserts restriction.
The shortcoming of this method is dumb, and exists roaming to insert the restriction leak.After terminal realizes successfully that in the zone that old SGSN covers data traffic packets inserts, along with terminal moves and when entering regional that new SGSN covers, can continue to keep data service to insert by " Inter SGSN Routeing AreaUpdate " flow process, the method that inserts by dns server restriction roaming grouping loses efficacy at this moment.
Summary of the invention
Based on the deficiencies in the prior art, the technical problem that the embodiment of the invention will solve is to provide a kind of method and system of data service packet access roaming control, and realizing creating the PDP Context request and upgrading under two kinds of signaling situations of PDP Context request is the data service packet access roaming restriction of sign with APN.
Purpose of the present invention is achieved through the following technical solutions: a kind of data service packet access roaming control method may further comprise the steps:
A, establishment tabulation in GGSN comprise the IP address that it allows the SGSN of access in this tabulation;
B, portable terminal are initiated data traffic packets to a SGSN of the first area at its place and are inserted request, and a SGSN sends the PDP Context request of creating to GGSN;
C, GGSN judge according to described tabulation whether to its IP address that sends a SGSN who creates the PDP Context request be to allow to insert, if then GGSN makes the response that accepts request; If not, then GGSN makes the refusal request responding;
D, portable terminal roam into second area from the first area, send the Routing Area Update request to the SGSN of second area, and described the 2nd SGSN sends the PDP Context request of upgrading to GGSN;
E, GGSN judge according to described tabulation whether to its IP address that sends the 2nd SGSN that upgrades the PDP Context request be to allow to insert; If then GGSN makes the response that accepts request; If not, then GGSN makes the refusal request responding.
Particularly, the described list storage of creating in GGSN is in the database that is attached thereto; Described GGSN is connected with the ISP of Internet service provider.
Described step B specifically may further comprise the steps:
Portable terminal is initiated data traffic packets to a SGSN of the first area at its place and is adhered to request;
The one SGSN sends data traffic packets to portable terminal and adheres to response, accepts the described request of adhering to;
Portable terminal sends the PDP Context request that activates to a SGSN;
The one SGSN sends the PDP Context request of creating to GGSN.
More specifically, comprise the APN parameter in the activation PDP Context request that a described SGSN sends, in SGSN, can obtain the GGSN address of APN correspondence therewith by DNS name resolution according to APN; Comprise NSAPI and TEID in the Routing Area Update request that the 2nd SGSN sends, be used to indicate the different PDP Contexts of same mobile terminal activating.
Described step D specifically comprises:
Portable terminal roams into second area from the first area, sends the Routing Area Update request to the SGSN of second area;
It is contextual mutual to finish SGSN between the 2nd SGSN and the SGSN;
The 2nd SGSN sends the PDP Context request of upgrading to GGSN.
After the described step C, GGSN carries out corresponding inter-process; SGSN receives after the response that GGSN sends that SGSN sends to portable terminal and activates the PDP Context response;
After the described step e, GGSN carries out corresponding inter-process; SGSN receives after the response that GGSN sends that SGSN sends the Routing Area Update response to portable terminal.
The present invention also provides a kind of data service packet access roaming control system, comprising:
Portable terminal is used for initiating data traffic packets to a SGSN and inserts request, when its when the first area is manoeuvred into second area, send the Routing Area Update request to the SGSN of second area;
SGSN is meant Serving GPRS Support Node, is used to preserve user's route zone position information, is responsible for safety and access control, is responsible for sending establishment PDP Context request and upgrading the PDP Context request to GGSN;
GGSN, be meant Gateway GPRS Support Node, the gateway function that is used for being responsible for the IP address of distributing terminals and arrives external network, store the tabulation of the IP address of the SGSN that allows access, it judges according to described tabulation whether to its IP address that sends the SGSN that creates the PDP Context request and upgrade the PDP Context request be to allow to insert.
Particularly, this system also comprises a database that is connected with described GGSN, is used to store the IP address of the SGSN that allows access.Described portable terminal links to each other with SGSN by base station system.Described GGSN is connected with the ISP of Internet service provider.Be connected with core net between described GGSN and the described SGSN.
The invention has the beneficial effects as follows: the IP address of initiating the SGSN (Service GPRS Support Node) of the request that inserts by GGSN (Gateway GPRS Support Node) control, realize limited subscriber with APN (Access Point Name:APN) be service identification, the service access request in zones of different, initiated, reach the Region control that service access is permitted; The present invention has more flexibility than prior art.
Description of drawings
Fig. 1 is the structural representation of a kind of data service packet access roaming control system of the embodiment of the invention.
Fig. 2 is the flow chart of a kind of data service packet access roaming control method of the embodiment of the invention.
Fig. 3 is the control and treatment flow chart of the pdp context activation of the embodiment of the invention.
Fig. 4 is the detail flowchart of 301 and 203 steps among Fig. 3.
Fig. 5 is the control and treatment flow chart of the routing update process of the embodiment of the invention.
Fig. 6 is the detail flowchart of 501 and 403 steps among Fig. 5.
Embodiment
For making the present invention easier to understand, the present invention is further elaborated in conjunction with the accompanying drawings, but the embodiment in the accompanying drawing does not constitute any limitation of the invention.
The invention belongs to the second generation, the packet domain of 3G (Third Generation) Moblie network system, relate to a kind of GGSN and limit the method that grouping inserts request flexibly, this invention is initiated the IP address that GTP (GPRS Tunneling Protocol) protocol packet inserts the SGSN (Service GPRS Support Node) of request by GGSN (GatewayGPRS Support Node) control, realize that flexible limited subscriber is a service identification with APN (Access Point Name:APN), the service access request of initiating in zones of different reaches the Region control that service access is permitted.
Fig. 1 shows the structural representation of a kind of data service packet access roaming control system of the embodiment of the invention, and this system comprises:
Portable terminal (MS) 1 is used for initiating data traffic packets to a SGSN and inserts request, when its when the first area is manoeuvred into second area, send the Routing Area Update request to the SGSN of second area;
Serving GPRS Support Node 3, i.e. SGSN (Serving GPRS Support Node) is used to preserve user's route zone position information, is responsible for safety and access control, is responsible for sending to GGSN and creates the PDP Context request and upgrade the PDP Context request;
Gateway GPRS Support Node 5, be GGSN (Gateway GPRS Support Node), the gateway function that is used for being responsible for the IP address of distributing terminals and arrives external network, a database 51 is connected with GGSN, it is used to store the tabulation of the IP address that allows the SGSN that inserts, it is tabulated according to this, judges whether to its IP address that sends the SGSN that creates the PDP Context request and upgrade the PDP Context request be to allow to insert.
Also comprise: base station system 2, i.e. be connected by the Um mouth between the BSS (Base Station System), mobile terminal MS and base station system BSS, terminal inserts the GPRS core net by BSS;
RNS 2 (Radio Network System, Radio Network System), terminal inserts the packet domain core network of UMTS system by RNS;
ISP 6 (Internet Services Provider) is an Internet service provider, is used to the user that packet-based data service is provided, and links to each other with GGSN by the GI mouth.
Fig. 2 shows the flow chart of a kind of data service packet access roaming control method of the embodiment of the invention.This method may further comprise the steps:
Step S01 creates tabulation in GGSN, comprise the IP address that it allows the SGSN of access in this tabulation;
Step S02, portable terminal is initiated data traffic packets to a SGSN of the first area at its place and is inserted request;
Step S03, a SGSN sends the PDP Context request of creating to GGSN;
Step S04, GGSN judges according to described tabulation whether to its IP address that sends a SGSN who creates the PDP Context request be to allow to insert, if execution in step S041, GGSN make the response that accepts request; If not, execution in step S042, GGSN make the refusal request responding;
Step S05, portable terminal roams into second area from the first area, sends the Routing Area Update request to the SGSN of second area;
Step S06, described the 2nd SGSN sends the PDP Context request of upgrading to GGSN;
Step S07, GGSN judges according to described tabulation whether to its IP address that sends the 2nd S GSN that upgrades the PDP Context request be to allow to insert; If execution in step S071, GGSN make the response that accepts request; If not, execution in step S072, GGSN make the refusal request responding.
Fig. 3 shows the control and treatment flow chart of the pdp context activation of the embodiment of the invention.
Customer mobile terminal 1 roaming enters new region, initiate to adhere to request (101) to SGSN 31, SGSN 31 sends to portable terminal 1 and adheres to acceptance response (102), and portable terminal 1 sends to adhere to SGSN 31 finishes (103), accepts the described request access request of adhering to; Portable terminal 1 sends the activation PDP Context request (201) of specific APN to SGSN 31; SGSN 31 sends the establishment PDP Context request (202) of specific APN to GGSN 5.GGSN 5 is preceding in existing establishment PDP Context request inter-process (203), and the IP address of carrying out SGSN earlier allows to insert processing (301); When this specific APN allows terminal to insert in this SGSN area, carry out the request acceptance response of " Create PDP Context Response (Cause value is RequestAccepted) " (204); When this specific APN in this SGSN area does not allow terminal to insert, carry out the request refusal response of " Create PDP Context Response (Cause value is not RequestAccepted) " (204), thereby realize that the different pieces of information traffic packets inserts the restriction of asking in this zone, Cause value suggestion in such cases is Roaming restriction.Wherein APN is used to identify the external network of an appointment and a kind of ISP of service in GGSN, can obtain the GGSN address of APN correspondence therewith by DNS name resolution according to APN in SGSN.APN can be divided into APN and wild card APN, and wild card APN is meant that operator allows the user to use the context of given PDP type to insert any network, with " * " expression; Conventional APN comprises two parts: network identity (NI, Network Identifier) and operator's sign (OI, Operator Identifier).
Fig. 4 is the detail flowchart of 301 and 203 steps among Fig. 3, also is the inter-process flow process of GGSN.
Step 3011, GGSN receives the establishment PDP Context request of specific APN;
Step 3012 judges whether the IP address of SGSN allows to insert;
Step 2031 if allow the IP address of the SGSN of access, is then carried out existing establishment PDP Context request inter-process;
Step 2032 if not the IP address of the SGSN that allows to insert, then refuses to create PDP Context request inter-process;
Step 2033 is created the follow-up flow process that the PDP Context request responds.
Fig. 5 shows the control and treatment flow chart of the routing update process of the embodiment of the invention.
After the user realizes successfully that in the zone that old SGSN 31 covers the data traffic packets of specific APN inserts, along with terminal moves and when entering regional that new SGSN 32 covers, portable terminal 1 sends Routing Area Update request (401) to SGSN 32, comprise NSAPI and TEID (GTP v1) in this Routing Area Update request or comprise NSAPI and TID (GTP v0), be used to indicate the different contexts of same user activated, finish SGSN contextual mutual (402-404) between SGSN 32 (newly) and the SGSN 31 (old), the 402-404 signaling procedure specifically comprises: SGSN Context Request, SGSN Context Response, three signalings of SGSN ContextAcknowledge.SGSN 32 sends the PDP Context request (405) of upgrading to GGSN 5 then; Above-mentioned TEID (Tunnel Endpoint Identifier), the notion of GTP v1 is used to represent a tunnel (PDP), is divided into data surface TEID (TEID (U)) and chain of command TEID (TEID (C)), is distributed by SGSN and GGSN oneself.NSAPI (Network Service Access Point Identifier) is used from the different contexts of the same user activated of sign with TEID (C) or IMSI one, scope [0,15], wherein 0～4 system keeps, therefore for a user (UE), can set up 11 tunnels at most.TID, the notion of GTP v0 is made of IMSI+NSAPI, and is identical with the TEID effect.
Fig. 6 is the detail flowchart of 501 and 406 steps among Fig. 5.It also is the inter-process flow process of GGSN.
The present invention's further perfect by to GGSN interior signaling processing procedure, realize active data service roaming grouping accessing method, possess that to create the PDP Context request and upgrade under two kinds of signaling situations of PDP Context request be the data service packet access roaming limitation capability of sign with APN.
The above is a preferred implementation of the present invention; certainly can not limit the present invention's interest field with this; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvement and change, these improvement and change also are considered as protection scope of the present invention.
Claims (11)
1, a kind of data service packet access roaming control method may further comprise the steps:
A, establishment tabulation in GGSN comprise the IP address that it allows the SGSN of access in this tabulation;
B, portable terminal are initiated data traffic packets to a SGSN of the first area at its place and are inserted request, and a SGSN sends the PDP Context request of creating to GGSN;
C, GGSN judge according to described tabulation whether to its IP address that sends a SGSN who creates the PDP Context request be to allow to insert, if then GGSN makes the response that accepts request; If not, then GGSN makes the refusal request responding;
D, portable terminal roam into second area from the first area, send the Routing Area Update request to the S of second area GSN, and described the 2nd S GSN sends the PDP Context request of upgrading to GGSN;
E, GGSN judge according to described tabulation whether to its IP address that sends the 2nd S GSN that upgrades the PDP Context request be to allow to insert; If then GGSN makes the response that accepts request; If not, then GGSN makes the refusal request responding.
2, a kind of data service packet access roaming control method according to claim 1 is characterized in that, the described list storage of creating in GGSN is in the database that is attached thereto; Described GGSN is connected with the ISP of Internet service provider.
3, a kind of data service packet access roaming control method according to claim 1 is characterized in that described step B specifically may further comprise the steps:
Portable terminal is initiated data traffic packets to a SGSN of the first area at its place and is adhered to request;
The one SGSN sends data traffic packets to portable terminal and adheres to response, accepts the described request of adhering to;
Portable terminal sends the PDP Context request that activates to a SGSN;
The one S GSN sends the PDP Context request of creating to GGSN.
4, a kind of data service packet access roaming control method according to claim 3, it is characterized in that, comprise the APN parameter in the activation PDP Context request that a described SGSN sends, in SGSN, can obtain the GGSN address of APN correspondence therewith by DNS name resolution according to APN; Comprise NSAPI and TEID in the Routing Area Update request that the 2nd S GSN sends, or comprise NSAPI and TID, be used to indicate the different PDP Contexts of same mobile terminal activating.
5, a kind of data service packet access roaming control method according to claim 4 is characterized in that described step D specifically comprises:
Portable terminal roams into second area from the first area, sends the Routing Area Update request to the S of second area GSN;
It is contextual mutual to finish SGSN between the 2nd SGSN and the SGSN;
The 2nd SGSN sends the PDP Context request of upgrading to GGSN.
6, a kind of data service packet access roaming control method according to claim 5 is characterized in that,
After the described step C, GGSN carries out corresponding inter-process; SGSN receives after the response that GGSN sends that SGSN sends to portable terminal and activates the PDP Context response;
After the described step e, GGSN carries out corresponding inter-process; SGSN receives after the response that GGSN sends that SGSN sends the Routing Area Update response to portable terminal.
7, a kind of data service packet access roaming control system, it comprises:
Portable terminal is used for initiating data traffic packets to a SGSN and inserts request, when its when the first area is manoeuvred into second area, send the Routing Area Update request to the SGSN of second area;
SGSN is meant Serving GPRS Support Node, is used to preserve user's route zone position information, is responsible for safety and access control, is responsible for sending establishment PDP Context request and upgrading the PDP Context request to GGSN;
GGSN, be meant Gateway GPRS Support Node, the gateway function that is used for being responsible for the IP address of distributing terminals and arrives external network, store the tabulation of the IP address of the SGSN that allows access, it judges according to described tabulation whether to its IP address that sends the SGSN that creates the PDP Context request and upgrade the PDP Context request be to allow to insert.
8, a kind of data service packet access roaming control system according to claim 6 is characterized in that, this system also comprises a database that is connected with described GGSN, is used to store the IP address of the SGSN that allows access.
9, a kind of data service packet access roaming control system according to claim 6 is characterized in that described portable terminal links to each other with SGSN by base station system.
10, a kind of data service packet access roaming control system according to claim 6 is characterized in that, described GGSN is connected with the ISP of Internet service provider.
11, a kind of data service packet access roaming control system according to claim 6 is characterized in that, is connected with core net between described GGSN and the described SGSN.
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| CNA200810219724XA CN101516123A (en) | 2008-12-05 | 2008-12-05 | Data service packet access roaming control method and system |
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| CNA200810219724XA CN101516123A (en) | 2008-12-05 | 2008-12-05 | Data service packet access roaming control method and system |
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| CN101990187A (en) * | 2010-08-17 | 2011-03-23 | 工业和信息化部通信计量中心 | Detection method for charging accuracy of data service flow of GPRS (General Packet Radio Service)/UMTS (Universal Mobile Telecommunications System) network |
| CN102076051A (en) * | 2009-11-20 | 2011-05-25 | 中国移动通信集团广东有限公司 | Method for updating routing areas and SGSN (Serving GPRS (General Packet Radio Service) Support Node) |
| CN102118830A (en) * | 2010-01-05 | 2011-07-06 | 华为技术有限公司 | Access control method, device and system. |
| WO2011085611A1 (en) * | 2010-11-16 | 2011-07-21 | 华为技术有限公司 | Method and apparatus for accessing network |
| CN102752779A (en) * | 2012-05-23 | 2012-10-24 | 邬学农 | System and method for achieving directional connection in mobile communication network |
| CN103124439A (en) * | 2011-11-18 | 2013-05-29 | 中国移动通信集团福建有限公司 | GGSN (gateway GPRS support node) protection method and GGSN |
| CN103813295A (en) * | 2012-11-13 | 2014-05-21 | 中兴通讯股份有限公司 | Method and device for automatically configuring and updating access point name parameters |
| CN102118829B (en) * | 2010-01-05 | 2014-06-04 | 华为技术有限公司 | Access control method, device and system |
| CN104883683A (en) * | 2014-02-28 | 2015-09-02 | 中国移动通信集团河南有限公司 | APN accessing restricting method and GGSN |
| CN105848254A (en) * | 2016-05-03 | 2016-08-10 | 深圳市万普拉斯科技有限公司 | Roaming data control method and system |
| CN108495298A (en) * | 2018-03-12 | 2018-09-04 | 北京佰才邦技术有限公司 | IP address update method and device, computer readable storage medium when mobile terminal moves between neutral mainframe network |
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| CN102076051A (en) * | 2009-11-20 | 2011-05-25 | 中国移动通信集团广东有限公司 | Method for updating routing areas and SGSN (Serving GPRS (General Packet Radio Service) Support Node) |
| CN102118829B (en) * | 2010-01-05 | 2014-06-04 | 华为技术有限公司 | Access control method, device and system |
| CN102118830A (en) * | 2010-01-05 | 2011-07-06 | 华为技术有限公司 | Access control method, device and system. |
| CN102118830B (en) * | 2010-01-05 | 2014-08-06 | 华为技术有限公司 | Access control method, device and system. |
| CN101990187B (en) * | 2010-08-17 | 2015-11-25 | 工业和信息化部通信计量中心 | Data service flowmeter for GPRS/UMTS network takes accuracy detection method |
| CN101990187A (en) * | 2010-08-17 | 2011-03-23 | 工业和信息化部通信计量中心 | Detection method for charging accuracy of data service flow of GPRS (General Packet Radio Service)/UMTS (Universal Mobile Telecommunications System) network |
| CN102282876A (en) * | 2010-11-16 | 2011-12-14 | 华为技术有限公司 | Method and apparatus for accessing network |
| WO2011085611A1 (en) * | 2010-11-16 | 2011-07-21 | 华为技术有限公司 | Method and apparatus for accessing network |
| CN103124439A (en) * | 2011-11-18 | 2013-05-29 | 中国移动通信集团福建有限公司 | GGSN (gateway GPRS support node) protection method and GGSN |
| CN103124439B (en) * | 2011-11-18 | 2016-03-30 | 中国移动通信集团福建有限公司 | A kind of GGSN guard method and GGSN |
| CN102752779B (en) * | 2012-05-23 | 2014-12-10 | 邬学农 | System and method for achieving directional connection in mobile communication network |
| CN102752779A (en) * | 2012-05-23 | 2012-10-24 | 邬学农 | System and method for achieving directional connection in mobile communication network |
| CN103813295B (en) * | 2012-11-13 | 2017-06-13 | 中兴通讯股份有限公司 | A kind of method and device for automatically configuring and updating APN parameter |
| CN103813295A (en) * | 2012-11-13 | 2014-05-21 | 中兴通讯股份有限公司 | Method and device for automatically configuring and updating access point name parameters |
| CN104883683A (en) * | 2014-02-28 | 2015-09-02 | 中国移动通信集团河南有限公司 | APN accessing restricting method and GGSN |
| CN104883683B (en) * | 2014-02-28 | 2018-10-16 | 中国移动通信集团河南有限公司 | A kind of APN access restriction methods and GGSN |
| CN105848254A (en) * | 2016-05-03 | 2016-08-10 | 深圳市万普拉斯科技有限公司 | Roaming data control method and system |
| CN108495298A (en) * | 2018-03-12 | 2018-09-04 | 北京佰才邦技术有限公司 | IP address update method and device, computer readable storage medium when mobile terminal moves between neutral mainframe network |
| CN108495298B (en) * | 2018-03-12 | 2021-03-30 | 北京佰才邦技术有限公司 | Method and device for updating IP address when mobile terminal moves between neutral host networks and computer readable storage medium |
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