CN1260983C - A method of disaster recovery for home location register (HLR) with zero-time service take-over - Google Patents
A method of disaster recovery for home location register (HLR) with zero-time service take-over Download PDFInfo
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- CN1260983C CN1260983C CN 03132107 CN03132107A CN1260983C CN 1260983 C CN1260983 C CN 1260983C CN 03132107 CN03132107 CN 03132107 CN 03132107 A CN03132107 A CN 03132107A CN 1260983 C CN1260983 C CN 1260983C
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Abstract
The present invention discloses a method of disaster recovery for a home location register (HLR) with zero-time business take-over, which relates to the backup of an HLR device in a mobile communication system. User data is divided into static data and dynamic data in a network including a BOSS system, an active HLR, a standby HLR and a signaling network; after the organizing operation of the network is finished, a signaling link connected to the active HLR is connected to the standby HLR by double lines. The user data in the active HLR is led into the standby HLR, and thus, the static data in the active HLR and in the standby static data is updated by the BOSS system, and the consistency is guaranteed. The standby HLR is initiated and kept in an online state, the dynamic data of users is obtained from signaling; when the active HLR is in trouble, the operating state of a spare number segment in the standby HLR is set with an active state. By using the present invention, the HLR can copy the HLR with different manufacturers, and can be used as an active HLR and a standby HLR; thus, the zero time business take-over can be realized.
Description
Technical field
The present invention relates to the disaster tolerance of mobile communication system HLR (Home Location Register attaching position register) equipment.
Background technology
Develop rapidly along with the communication technology, mobile communication becomes in daily life and becomes more and more important, people also propose higher requirement to communication system simultaneously, wish can both enjoy reliable and stable service at any time, disaster tolerance technology has obtained utilization widely as the important means that improves equipment dependability in mobile communication system.
Redundancy HLR is main stand-by equipment with HLR, takes over its business when the master is broken down with HLR, and in order in time to take over main business with HLR, redundancy HLR must adopt effective means to obtain mobile subscriber's latest tendency information.Redundancy HLR generally adopts following several method at present:
(1) system's storage level data disaster tolerance
The remote disaster tolerance product that system storage level data disaster tolerance relies on memory device producer to provide realizes, guarantees the data consistent of active and standby HLR by the data sync function of disaster tolerance product, realizes the zero-time service take-over.But it has several important disadvantages: at first, it is very high to the requirement of grid; Secondly, it requires active and standby HLR equipment is same producer product, can occur the service disconnection of certain hour in addition during product up-gradation; The 3rd, the cost height.
(2) database level data disaster tolerance
The database level data disaster tolerance relies on the Data Replication Technology in Mobile of distributed data base to realize active and standby HLR data sync, and this technology has several shortcomings: the first, and the expense of system and network is bigger, the main performance with HLR of influence; The second, the data sync real-time is poor, and the master can cause the partial dynamic loss of data when breaking down with HLR, and certain user's business can be influenced; The 3rd, the master also may be synchronized among the standby HLR with ruined data among the HLR, causes system exception; The 4th, requiring active and standby HLR is same producer equipment, has the service disconnection of certain hour when edition upgrading.
(3) application-level data disaster tolerance
The application-level data disaster tolerance is divided into static data and dynamic data to Backup Data, and static data is synchronously by BOSS (Business ﹠amp; Operation Support System business operation support system) system guarantees, but dynamic data relies on the data simultaneous module in the application program to realize in the application-level data disaster tolerance at present, this mode is to the network requirement height, and the partial dynamic loss of data may occur during the host apparatus fault.
Summary of the invention
The present invention proposes a kind of new application-level data disaster tolerance method, can overcome the deficiencies in the prior art, the active and standby product that can use different manufacturers with HLR equipment; Can realize the zero-time service take-over; Standby HLR can decide simultaneously and use with HLR.
Technical scheme of the present invention is, in comprising BOSS system, active and standby network with HLR and signaling network, user data is divided into static data and dynamic data, static data is the user profile that can only make amendment by business operation support system or Operation ﹠ Maintenance System, the dynamic data user can make amendment or changes the data that change with the mobile phone SOT state of termination by mobile phone terminal operation, after networking is finished:
1) all being connected to the master all uses corresponding doubling to be connected to standby HLR with the signaling link of HLR;
2) import among the standby HLR with the user data among the HLR main, after this active and standbyly upgrade by the BOSS system and guarantee its consistency with the static data among the HLR;
3) start standby HLR, accomplish real-time online, from signaling, obtain user's dynamic data;
4) when the master is broken down with HLR, the operating state of standby number segment among the standby HLR is arranged to the main state of using.
Wherein, described step 2) imports mode among the standby HLR main with the user data among the HLR in, can adopt the instrument of importing and exporting of database self to finish, also can develop the instrument of importing and exporting specially and finish.
Described BOSS system update also keeps active and standby step with the static data unanimity among the HLR to be: the BOSS system is opening an account, when cancellation, modification user signing contract information, is sending out message and give active and standby HLR, the user data among the information updating HLR that HLR sends according to BOSS; If the user main use the number segment user, and this number segment is to lead to use state, and HLR is to VLR (Visitor Location Register) or SGSN (Serving GPRSSupport Node serving GPRS support node) synchrodata so; If the user main use the number segment user, and this number segment is by the adapter state, and HLR is to VLR or SGSN synchrodata so, the processing end; If the user is standby number segment user, and this number segment is in stand-by state, and HLR is not to VLR or SGSN synchrodata so, and processing finishes; If the user is standby number segment user, and this number segment is in and main uses state, and HLR is to VLR or SGSN synchrodata so.
The described step that obtains dynamic data from signaling is: if signaling is initiated by the network entity that carries out Signalling exchange with HLR, when then receiving signaling: if the master uses the number segment user, and this number segment is in the master and uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If the master uses the number segment user, and this number segment is in by the adapter state, influence user's multidate information as this signaling, HLR is according to signaling content modification user multidate information so, the gsm protocol regulation is followed in the modification of multidate information, this moment, HLR did not return any response, if signaling does not influence user's multidate information, HLR abandons this signaling so; If standby number segment user, and number segment is in and mainly uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If standby number segment user, and number segment is in stand-by state, influence user's multidate information as this signaling, HLR is according to signaling content modification user multidate information so, the gsm protocol regulation is followed in the modification of multidate information, this moment, HLR did not return any response, did not influence user's multidate information as signaling, and HLR abandons this signaling so;
If signaling is initiatively initiated by this HLR, then: if main use the number segment user, and this number segment is in to lead and uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If main use the number segment user, and this number segment is in by the adapter state, and HLR does not handle this signaling so; If standby number segment user, and number segment is in and mainly uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If standby number segment user, and number segment is in stand-by state, influences user's multidate information as this signaling, and HLR does not handle this signaling so.
Implement the present invention, dynamic data is realized synchronously by the standard signaling, and static data relies on the BOSS system to guarantee, the BOSS interface can pass through each producer's consult to decide.As long as active and standby HLR reaches unification on the BOSS interface, the realization details of so active and standby HLR inside can be different fully, and therefore the HLR that realizes according to this method can back up the HLR of different manufacturers.The user that HLR can distinguish when pre-treatment according to number is main with number segment or standby number segment user, thereby carries out the processing of different modes.The master can and deposit with number segment and standby number segment in same HLR, so the HLR that realizes according to this method can do primary and backup simultaneously.Because standby HLR can obtain user's multidate information in real time, therefore information and the user's virtual condition among the standby HLR is consistent.As long as the state of standby number segment is made as the main state of using, so standby HLR with the master mode operation, realizes the zero-time service take-over at once.
Description of drawings
Fig. 1 is the networking schematic diagram;
Fig. 2 is the static data management flow chart;
Fig. 3 is that the other side initiates dynamic data management flow chart under the signaling situation;
Fig. 4 is the HLR workflow diagram among the present invention.
Embodiment
Below in conjunction with schematic diagram the concrete implementation step of this method is once introduced:
Fig. 1 is active and standby networking mode with HLR, and requiring all to link main signaling link with HLR all has corresponding doubling to receive standby HLR.By the multidate information to the standby HLR real-time update of the processing of signaling user, and the static data among the standby HLR is upgraded by the BOSS system.
The management of user's dynamic data and static data is different among the standby HLR, below introduces the management method of these two classes data respectively.
1. static data management
When standby HLR added system, the master may distribute telephone numbers with HLR, and may move considerable time, and standby HLR is in order to take over main business with HLR, and it must duplicate main CAMEL-Subscription-Information with user among the HLR.The user data copy mode can adopt the instrument of importing and exporting of database self to finish, and also can develop the instrument of importing and exporting specially and finish.After data were duplicated and finished, it is consistent that the user signing contract information among the active and standby HLR reaches, and static data backward is all by the BOSS system synchronization, and Fig. 1 sees in the BOSS system.
The BOSS system is opening an account, when cancellation, modification user signing contract information, active and standbyly all will have notice with HLR, thereby makes the active and standby CAMEL-Subscription-Information that can both upgrade the user with HLR.After receiving the notification message of BOSS, HLR handles according to the following steps, and flow process is seen Fig. 2.
User data among the information updating HLR that sends according to BOSS;
If the user main use the number segment user, and this number segment is to lead to use state, and HLR is to VLR or SGSN synchrodata so;
If the user main use the number segment user, and this number segment is by the adapter state, and HLR is to VLR or SGSN synchrodata so, the processing end;
If the user is standby number segment user, and this number segment is in stand-by state, and HLR is not to VLR or SGSN synchrodata so, and processing finishes;
If the user is standby number segment user, and this number segment is in and main uses state, and HLR is to VLR or SGSN synchrodata so;
Annotate: data sync comprises inserts user data and deletion user data, with describe in GSM (the Global System ForMobile Communication global system for mobile communications) agreement identical;
2. dynamic data management
Multidate information comes real-time update according to signaling among the standby HLR, uses HLR because standby HLR may decide again simultaneously, and in order to alleviate the load of equipment, standby HLR only handles the signaling that influences user's multidate information.Concrete steps are as follows, and flow process is seen Fig. 2:
When receiving signaling, if main use the number segment user, and this number segment is in the state of using of leading, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so, and is identical with common HLR;
When receiving signaling, if the master uses the number segment user, and this number segment is in by the adapter state, influence user's multidate information as this signaling, HLR is according to signaling content modification user multidate information so, and the gsm protocol regulation is followed in the modification of multidate information, and this moment, HLR did not return any response, if signaling does not influence user's multidate information, HLR abandons this signaling so;
If standby number segment user, and number segment is in and mainly uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so;
If standby number segment user, and number segment is in stand-by state, influence user's multidate information as this signaling, HLR is according to signaling content modification user multidate information so, the gsm protocol regulation is followed in the modification of multidate information, this moment, HLR did not return any response, did not influence user's multidate information as signaling, and HLR abandons this signaling so.
This shows that dynamic data is realized synchronously by the standard signaling, and static data relies on the BOSS system to guarantee, the BOSS interface can pass through each producer's consult to decide.As long as active and standby HLR reaches unification on the BOSS interface, the realization details of so active and standby HLR inside can be different fully, and therefore the HLR that realizes according to this method can back up the HLR of different manufacturers.
In the present invention, because HLR can decide standbyly with also doing, its working method is compared different with common HLR.For standby number segment part, if this number segment moves with master mode this moment, what use when HLR and other network elements are talked with so is main number and signaling point code with HLR, so other network elements think that still the master uses HLR in work.The HLR job step is as follows, and flow process is seen Fig. 4.
Initiate if signaling procedure is the other side, then processing mode is identical with the dynamic data management part, sees Fig. 3;
Initiatively initiate if signaling is this HLR, HLR needs according to the actual conditions processing of classifying so, and is specific as follows:
If main use the number segment user, and this number segment is in the state of using of leading, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so, and is identical with common HLR;
If main use the number segment user, and this number segment is in by the adapter state, and HLR does not handle this signaling so;
If standby number segment user, and number segment is in and mainly uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so;
If standby number segment user, and number segment is in stand-by state, influences user's multidate information as this signaling, and HLR does not handle this signaling so;
From this working method, the user that HLR can distinguish when pre-treatment according to number is main with number segment or standby number segment user, thereby carries out the processing of different modes.The master can and deposit with number segment and standby number segment in same HLR, so the HLR that realizes according to this method can do primary and backup simultaneously.
Because standby HLR can obtain user's multidate information in real time, therefore information and the user's virtual condition among the standby HLR is consistent.As long as the state of standby number segment is made as the main state of using, so standby HLR with the master mode operation, realizes the zero-time service take-over at once.
When the master is broken down with HLR, by HLR Operation and Maintenance interface, by hand the operating state of standby number segment among the standby HLR is arranged to the main state of using, this moment, HLR can move with master mode, has realized professional adapter for the user of standby number segment.
If the master is broken down with HLR, but owing to do not find in time that system also service disconnection can occur at this moment.But standby HLR during this period of time still can normally obtain state of user information, so use state as long as standby number segment user is made as the master, so standby HLR just can take over business immediately, takes over the back business and recovers at once normally to need not transient process.But for the disaster recovery method of present use, Nei multidate information will be lost during this period of time, and after the standby HLR adapter business, certain user's business has unusually.
After the master recovered normally with HLR, by the Operation and Maintenance interface, the standby number segment among the standby HLR reverted to stand-by state, main business with the HLR process user.If the master does not realize according to this method that with HLR this moment, main multidate information with certain user among the HLR may change so, main business with these users of the professional back of adapter just may occur unusually.If the master realizes according to this method also that with HLR it is unusual not occur industry so when the master takes over business again with HLR.Method is after the master recovers normally with HLR, by the Operation and Maintenance interface, to be arranged to by the adapter state with number segment main, and this moment, the master moved in standby mode with HLR, and standby HLR still moves with master mode.After operation a period of time, active and standbyly will reach consistent with the multidate information among the HLR, standby then HLR reverts to stand-by state, switches to the main state of use main with HLR, thus the smooth transition of realization business.
Claims (3)
1, a kind of disaster recovery method of attaching position register of zero-time service take-over, in comprising business operation support system, active and standby network with HLR and signaling network, user data is divided into static data and dynamic data, static data is the user profile that can only make amendment by business operation support system or Operation ﹠ Maintenance System, the dynamic data user can make amendment or changes the data that change with the mobile phone SOT state of termination by mobile phone terminal operation, after networking is finished:
1) all being connected to the master all uses corresponding doubling to be connected to standby HLR with the signaling link of HLR;
2) import among the standby HLR with the user data among the HLR main, after this active and standbyly upgrade by business operation support system and guarantee its consistency with the static data among the HLR;
3) start standby HLR, accomplish real-time online, from signaling, obtain user's dynamic data;
4) when the master is broken down with HLR, the operating state of standby number segment among the standby HLR is arranged to the main state of using.
2, the disaster recovery method of the attaching position register of the described zero-time service take-over of claim 1, it is characterized in that, described business operation support system is upgraded also and is kept active and standby step with the static data unanimity among the HLR to be: business operation support system open an account, when cancellation, modification user signing contract information, send out message and give the active and standby HLR that uses, the user data among the information updating HLR that HLR sends according to business operation support system; If the user main use the number segment user, and this number segment is to lead to use state, and HLR is to VLR or SGSN synchrodata so; If the user main use the number segment user, and this number segment is by the adapter state, and HLR is to VLR or SGSN synchrodata so, the processing end; If the user is standby number segment user, and this number segment is in stand-by state, and HLR is not to VLR or SGSN synchrodata so, and processing finishes; If the user is standby number segment user, and this number segment is in and main uses state, and HLR is to VLR or SGSN synchrodata so.
3, the disaster recovery method of the attaching position register of the described zero-time service take-over of claim 1 is characterized in that, the described step that obtains dynamic data from signaling is:
If 3.1 signaling is initiated by the network entity that carries out Signalling exchange with HLR, when then receiving signaling: if mainly use the number segment user, and this number segment is in to lead and uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If the master uses the number segment user, and this number segment is in by the adapter state, influence user's multidate information as this signaling, HLR is according to signaling content modification user multidate information so, the gsm protocol regulation is followed in the modification of multidate information, this moment, HLR did not return any response, if signaling does not influence user's multidate information, HLR abandons this signaling so; If standby number segment user, and number segment is in and mainly uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If standby number segment user, and number segment is in stand-by state, influence user's multidate information as this signaling, HLR is according to signaling content modification user multidate information so, the gsm protocol regulation is followed in the modification of multidate information, this moment, HLR did not return any response, did not influence user's multidate information as signaling, and HLR abandons this signaling so;
If 3.2 signaling is initiatively initiated by this HLR, then: if main use the number segment user, and this number segment is in to lead and uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If main use the number segment user, and this number segment is in by the adapter state, and HLR does not handle this signaling so; If standby number segment user, and number segment is in and mainly uses state, and HLR is according to this signaling of the flow processing of stipulating in the gsm protocol so; If standby number segment user, and number segment is in stand-by state, influences user's multidate information as this signaling, and HLR does not handle this signaling so.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264278B (en) * | 2008-04-24 | 2011-07-13 | 廖玉春 | Chinese medicinal composition for treating leukemia and producing method thereof |
| CN102397398B (en) * | 2011-11-23 | 2014-07-02 | 暨南大学 | Chinese medicinal composition for reversing multi-drug resistance of tumor and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100463547C (en) * | 2005-03-24 | 2009-02-18 | 中兴通讯股份有限公司 | HLR calamity manipulation method |
| CN100431371C (en) * | 2005-04-04 | 2008-11-05 | 中兴通讯股份有限公司 | System for automatic switching database in imputation position register and method thereof |
| CN1941769B (en) | 2005-10-01 | 2010-07-07 | 华为技术有限公司 | Method for agenting or duplicating mobile resident point in mobile IPv6 network |
| CN100466835C (en) * | 2006-09-22 | 2009-03-04 | 华为技术有限公司 | Recognition method and identification method for identification apparatus, communication system and equipment |
| CN101192971B (en) * | 2006-11-23 | 2011-05-11 | 中兴通讯股份有限公司 | Detection method for master/slave data consistency |
| CN101360314A (en) * | 2007-08-02 | 2009-02-04 | 华为技术有限公司 | Method and apparatus implementing disaster accommodation |
| CN110602685B (en) * | 2019-08-27 | 2022-05-10 | 中国—东盟信息港股份有限公司 | Safe privacy number disaster recovery backup method for number position non-sensing switching |
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2003
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264278B (en) * | 2008-04-24 | 2011-07-13 | 廖玉春 | Chinese medicinal composition for treating leukemia and producing method thereof |
| CN102397398B (en) * | 2011-11-23 | 2014-07-02 | 暨南大学 | Chinese medicinal composition for reversing multi-drug resistance of tumor and preparation method and application thereof |
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