CN101577840B - Double-tandem communication network user data synchronization method and device - Google Patents
Double-tandem communication network user data synchronization method and device Download PDFInfo
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- CN101577840B CN101577840B CN2009101469504A CN200910146950A CN101577840B CN 101577840 B CN101577840 B CN 101577840B CN 2009101469504 A CN2009101469504 A CN 2009101469504A CN 200910146950 A CN200910146950 A CN 200910146950A CN 101577840 B CN101577840 B CN 101577840B
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- tandem
- map signaling
- signaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/10—Mobility data transfer between location register and external networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Abstract
The invention discloses a simple and effective double-tandem communication network user data synchronization method and a device. The method comprises the following steps: step 1. an HLR sends out MAPsignaling of requiring updating local user data to a tandem exchange; step 2. the tandem exchange updates the local user data after receiving the MAP signaling sent by the HLR and adopts No.7 signaling to send the MAP signaling to another tandem exchange; a method for selecting MAP signaling links here is as below: adopting private system identification value, namely PSID value of a user to obtain a link selecting code of the user by an HASH function; determining MAP signaling links aiming at different users through the link selecting code; ensuring the order of data updating operations between double tandem exchanges by adopting the signaling link selecting method; step 3. updating the local user data after another tandem exchange receives the MAP signaling.
Description
Technical field
The invention belongs to communication technique field, relate in particular to a kind of double-tandem communication network user data synchronization method and device.
Background technology
The exchanger user data are to be stored in the local data base of switch on the fixed network at present, the user data of switch oneself management local office.The closure of fixed network and the immobilization of terminal have determined to be difficult to new business demand is made fast reaction, therefore the user property with fixed switch is put in local user's integrated data store, as online HLR (Home Location Register, attaching position register) management in, switch adopts MAP (the Mobile Application Part of standard, MAP meets SS 7 consensus standards) signaling interface reads or new data more to HLR.Switch is similar to MSC (MobileSwitching Center the mobile switching centre)/VLR (Visitor Location Register VLR Visitor Location Register) of mobile network, the a part of user data of own management itself, user data among this part user data and the HLR is on all four, and way to manage adopts user property way to manage ripe in the mobile network technology.
Two remittance networkings of adopting for the robustness of network, all there is direct-connected repeat circuit in a tandem exchange of each end office (EO) to two, and the calling that end office (EO) initiates is delivered to tandem exchange according to principle polling between two tandem exchanges of load sharing.When HLR notifies the user data of tandem exchange's renewal local data base by the MAP signaling interface of standard, only upgrade the data of a tandem exchange, it is consistent with the user data of first tandem exchange that the user data of another one tandem exchange will keep, like this, between double tandem office, just need carry out data sync, only carried out data sync, share principle when any one tandem exchange carries out call treatment when calling out according to meeting, can be according to the processing that continues of right user attribute, if do not carry out data sync, then can not realize the load sharing function of calling out.In order to realize the data sync between the double tandem office, mostly existing method is the agreement by tcp/ip, uses the method for timing or instant data passes to carry out data sync.This method need increase extra tcp/ip link and realize data sync between the double tandem office, has increased the complexity that realizes.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of easy, effective double-tandem communication network user data synchronization method and device.
Double-tandem communication network user data synchronization method of the present invention is applied to comprise that an attaching position register is the double-tandem communication network of HLR and two tandem exchanges, for solving the problems of the technologies described above, double-tandem communication network user data synchronization method of the present invention comprises the steps:
Step 1, HLR send the MAP signaling that requires to upgrade local user data to one of them tandem exchange;
Step 2, described tandem exchange upgrade its local user data after receiving the described MAP signaling that described HLR sends, and adopt the No.7 signaling that described MAP signaling is sent to another tandem exchange, and are to adopt following method to select the MAP signaling link:
By HASH (Hash hashing algorithm) function, utilize user PSID (Private SystemIdentifier, the private system sign) value obtains this user's sls (link selection code), then by this sls, can determine the link at the MAP signaling of different user;
When described MAP signaling is sent to another tandem exchange, should adopt different links to send at the MAP signaling of different user, should adopt same link to send at same user's MAP signaling, to guarantee the order of Data Update operation between the double tandem office;
After described MAP signaling is received by step 3, described another tandem exchange, upgrade its local user data.
In step 2, when described MAP signaling is sent to another tandem exchange, can be that the described MAP signaling that HLR sends directly is forwarded to another tandem exchange, also can be to re-construct a consistent MAP signaling of described MAP signaling of sending, and send to another tandem exchange with HLR.
In step 2, described by the HASH function, utilize user PSID obtain sls method can for: back 6 of certain the user PSID value that will be represented by binary-coded decimal are converted to decimal number, again by this decimal number to 16 deliverys, obtain this user's sls.
For solving the problems of the technologies described above, double-tandem communication network user data synchronizer of the present invention comprises HLR and double tandem office;
Wherein, HLR is used to adopt the MAP signaling to send the request of upgrading local user data to one of them tandem exchange;
The tandem exchange of the MAP signaling that the described HLR of receiving sends is used for, and according to described its local user data of MAP signaling update, and adopts the No.7 signaling that described MAP signaling is sent to another tandem exchange, and is to select the MAP signaling link in the following way:
By the HASH function, utilize user PSID value to obtain this user's sls, then, can determine link at the MAP signaling of different user by this sls;
When described MAP signaling is sent to another tandem exchange, adopt different links to send at the MAP signaling of different user, adopt same link to send at same user's MAP signaling;
Described another tandem exchange is used for, receive described MAP signaling after, upgrade its local user data.
Described by the HASH function, utilize user PSID obtain sls concrete grammar can for: back 6 of certain the user PSID value that will be represented by binary-coded decimal are converted to decimal number, again by this decimal number to 16 deliverys, obtain this user's sls.
Beneficial effect of the present invention is:
The present invention uses standard MAP signaling to carry out user data synchronization between double tandem office, can guarantee to carry out between double tandem office timely and accurately synchronously from the data that HLR inserts down, and need not to increase extra tcp/ip link.And, among the present invention, the tandem exchange of receiving the MAP signaling that HLR sends is when sending to another tandem exchange with this MAP signaling, adopt different signaling links at different users, same user is then adopted same signaling link, can guarantee the order of Data Update operation between the double tandem office like this.
Description of drawings
Fig. 1 is that double-tandem communication network is formed schematic diagram;
Fig. 2 is the No.7 signaling level schematic diagram that the embodiment of the invention adopts;
Fig. 3 is a double-tandem communication network user data synchronization method schematic flow sheet of the present invention;
Fig. 4 is a double-tandem communication network user data synchronizer structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 implements double-tandem communication network of the present invention to form schematic diagram, wherein dotted line is represented signaling link, solid line is represented repeated link, as shown in the figure, double-tandem communication network comprises a HLR and two tandem exchanges, i.e. first tandem exchange and second tandem exchange, two tandem exchanges be band edge office or link other network elements separately.
When in two tandem exchanges any one after for example the following slotting data-message of HLR is received by first tandem exchange, first tandem exchange at first transmits this slotting data-message down, the user data of renewal simultaneously itself to second tandem exchange.After slotting data-message was received down by second tandem exchange, judgement was the synchronous updating user data message that two remittance links send, the then user data of renewal immediately itself.
When double-tandem communication network is carried out user data synchronization, should guarantee that the order of each user's data being upgraded simultaneous operation is unlikely to chaotic, promptly after a tandem exchange being carried out Data Update operation, when another tandem exchange being carried out the Data Update operation, should the assurance order constant.For example worker's list has three operations to certain user: insert, deletion is inserted, and the Data Update operation between then two remittances still should be by this order.
For this reason, when the MAP signaling between two remittances adopted the No.7 signaling bear, the embodiment of the invention provided HASH function, utilized user's PSID value to obtain user's sls, and with this definite MAP signaling link at this user.The HASH algorithm that the present invention adopts is, back 6 of the PSID value that will be represented by binary-coded decimal are converted to decimal number, again by this decimal number to 16 deliverys, obtain this user's sls.The present invention also can adopt other HASH algorithms, allly can guarantee all can of the corresponding sls of PSID value.
As shown in Figure 2, the No.7 signaling system comprises following level: for MAP provides the TCAP layer (Transaction Capability Application Part, transaction applying portion) of service, be used to support the application based on transaction; The next level SCCP layer of TCAP (Signalling Connectioncontrol Part,, SCCP) is used to realize the various signalings beyond the common call control signals and the transmission of conventional data; The next level MTP layer (Message Transport Part, signaling network part) of SCCP is divided into MTP2 layer and MTP3 layer, and wherein the MTP3 layer is responsible for concrete routing work.
MAP signaling between the two remittances of the present invention can also adopt sigtran (Signaling Transport, the signaling transmission) signaling bear, then similarly, Data Update operation at different user should be chosen different MAP signaling links, then should on same link, finish same user's sequence of operations, to guarantee the order of user data synchronization operation.
Fig. 3 is a double-tandem communication network user data synchronization method schematic flow sheet of the present invention, as shown in the figure, double-tandem communication network user data synchronization method of the present invention specifically comprises the steps, below the data sync operation signaling of HLR is received by supposition first tandem exchange, and the data sync operation signaling of first tandem exchange has been received by second tandem exchange, and supposition MAP signaling is to adopt the No.7 signaling bear:
1, after the MAP message of HLR is received by first tandem exchange, judge that this MAP message is to call out query manipulation (to obtain user's physical number, trigger new business etc.), still the user data update operation (increases the user, revise user data, deletion user etc.), if the user data update operation then continues following flow process;
2, queries configuration database refers to the No.7 signaling data in the office data configuration information, comprise information such as office direction signalling point, analyze the source of MAP message, Original Signaling Point by No. 7 message is judged, if this Original Signaling Point is HLR, then think MAP information from HLR, be slotting data manipulation under the HLR, suppose that first tandem exchange received such MAP message, forwarded for the 3rd step to handle; If this former signalling point is another tandem exchange, then think synchronous data operation, suppose that second tandem exchange received such MAP message, changeed for the 7th step and handle;
3, judge whether need between the double tandem office synchronously, whether the No.7 signalling route that at first inquires second tandem exchange can reach,, illustrate that the path of second tandem exchange breaks, then can not carry out the data sync operation, changeed for the 7th step and handle if route is unreachable; If route can reach, illustrate that the path of second tandem exchange leads to, can carry out the data sync operation, changeed for the 4th step and handle;
4, according to the MAP standard, decoding MAP message, the PSID value of taking out this message bearing, and utilization HASH function utilize this PSID value to produce unique sls, then this sls are delivered to the MTP3 layer of No.7 signaling, select No. 7 concrete links by the MTP3 floor;
5, queries configuration database, i.e. No. 7 data configurations of office in the information are inquired about the destination signaling point point coding of second tandem exchange, i.e. the destination address of No.7 signaling;
6, sls and the destination signalling point point coding that generates mail to the TCAP layer, by inside story sls and destination signaling point point coding are passed through the SCCP layer then, pass to the MTP3 layer, at the MTP3 layer, select a link by sls and destination signaling point point coding, and the link of MAP message and selection mail to the MTP2 layer, by the MTP2 layer message is mail to second tandem exchange;
7, analyze MAP message, obtain content of operation, as increasing deletion, operations such as modification at user data;
8, according to the 7th step obtain the result, local user data is operated, reach the purpose of upgrading local user data.
The above-mentioned the 7th, the 8th step, first tandem exchange and second tandem exchange all can carry out, promptly first tandem exchange receives and inserts operation under the data of HLR, carry out these 2 steps and upgrade its local data, send the MAP message of Data Update simultaneously to second tandem exchange, this MAP message is the same with the MAP message content that HLR inserts down, first tandem exchange can directly transmit the MAP message that HLR sends and give second tandem exchange, the MAP message that also can re-construct a content unanimity sends to second tandem exchange, and second tandem exchange carries out these two steps to upgrade local user data after receiving the MAP message that first tandem exchange sends.
Fig. 4 is a double-tandem communication network user data synchronizer structural representation of the present invention, and as shown in the figure, double-tandem communication network user data synchronizer of the present invention comprises HLR and two tandem exchanges, and two tandem exchanges are first tandem exchange and second tandem exchange.Wherein, HLR adopt the MAP signaling to one of them tandem exchange for example first tandem exchange send the request of upgrading local user data, first tandem exchange is according to this MAP signaling update local user data, and this MAP signaling sent to second tandem exchange, second tandem exchange upgrades its local user data after receiving the MAP signaling that first tandem exchange sends.Wherein, first tandem exchange adopts different links to send at the MAP signaling of different user when the MAP signaling is sent to second tandem exchange, then adopts same link to send at same user's MAP signaling.
As shown in Figure 4, first tandem exchange comprises MAP module, HASH module and upgrades the local data operational module that second tandem exchange then comprises the MAP module and upgrades the local data operational module.Wherein, the MAP module is used for the MAP signaling is handled, and for example operations such as PSID are taken out in decoding; The HASH module then makes the PSID value of user's correspondence produce unique sls by the HASH algorithm; Upgrade the local data module and then be data manipulation indication, the customer data base of this locality is upgraded operation according to MAP message.
In sum, the present invention is to the increase of user data, revise and operation such as deletion is that map signaling process by standard upgrades, when change has taken place for the user data of a tandem exchange, the map signaling that then sends standard immediately is to another tandem exchange, and another tandem exchange carries out the Data Update operation according to this map message to specific user.And the present invention has guaranteed the order of the operation of Data Update between the double tandem office, has guaranteed promptly that employing SCCP one class does not have to connect operation in order, avoids because MAP message sequence mistake causes two data of converging asynchronous.
Above-described specific embodiment, purpose of the present invention, technical scheme and beneficial effect are further described, institute it should be noted, the above only is specific embodiments of the invention, and those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of the technical scheme of claim record of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (6)
1. double-tandem communication network user data synchronization method, described double-tandem communication network comprises that an attaching position register is HLR and two tandem exchanges, is characterized in that comprising the steps:
Step 1, HLR send the MAP signaling that requires to upgrade local user data to one of them tandem exchange;
Step 2, described tandem exchange upgrade its local user data after receiving the described MAP signaling that described HLR sends, and adopt the No.7 signaling that described MAP signaling is sent to another tandem exchange, and are to adopt following method to select the MAP signaling link:
By the HASH function, utilizing user's private system ident value is the link selection code that the PSID value obtains this user, then by this link selection code, determines the link at the MAP signaling of different user;
When described MAP signaling is sent to another tandem exchange, should adopt different links to send at the MAP signaling of different user, should adopt same link to send at same user's MAP signaling;
After described MAP signaling is received by step 3, described another tandem exchange, upgrade its local user data.
2. double-tandem communication network user data synchronization method according to claim 1 is characterized in that:
In step 2, when described MAP signaling is sent to another tandem exchange, be that the described MAP signaling that HLR sends directly is forwarded to another tandem exchange.
3. double-tandem communication network user data synchronization method according to claim 1 is characterized in that:
In step 2, when described MAP signaling is sent to another tandem exchange, be to re-construct a consistent MAP signaling of described MAP signaling of sending, and send to another tandem exchange with HLR.
4. double-tandem communication network user data synchronization method according to claim 1 is characterized in that:
Described by the HASH function, the method for utilizing user PSID to obtain link selection code is:
Back 6 of certain the user PSID value that will be represented by binary-coded decimal are converted to decimal number, again by this decimal number to 16 deliverys, obtain this user's link selection code.
5. double-tandem communication network user data synchronizer is characterized in that:
This device comprises HLR and double tandem office;
Wherein, described HLR is used to adopt the MAP signaling to send the request of upgrading local user data to one of them tandem exchange;
The tandem exchange of the MAP signaling that the described HLR of receiving sends is used for, and according to described its local user data of MAP signaling update, and adopts the No.7 signaling that described MAP signaling is sent to another tandem exchange, and is to select the MAP signaling link in the following way:
By the HASH function, utilize user PSID value to obtain this user's link selection code, then by this link selection code, determine link at the MAP signaling of different user;
When described MAP signaling is sent to another tandem exchange, adopt different links to send at the MAP signaling of different user, adopt same link to send at same user's MAP signaling;
Described another tandem exchange is used for, receive described MAP signaling after, upgrade its local user data.
6. double-tandem communication network user data synchronizer according to claim 5 is characterized in that:
Described by the HASH function, the concrete grammar that utilizes user PSID to obtain link selection code is:
Back 6 of certain the user PSID value that will be represented by binary-coded decimal are converted to decimal number, again by this decimal number to 16 deliverys, obtain this user's link selection code.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101469504A CN101577840B (en) | 2009-06-08 | 2009-06-08 | Double-tandem communication network user data synchronization method and device |
| PCT/CN2010/072722 WO2010142184A1 (en) | 2009-06-08 | 2010-05-13 | Method and apparatus for user data synchronization in communication network with two tandem offices |
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| CN2009101469504A CN101577840B (en) | 2009-06-08 | 2009-06-08 | Double-tandem communication network user data synchronization method and device |
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| CN101577840A CN101577840A (en) | 2009-11-11 |
| CN101577840B true CN101577840B (en) | 2011-03-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787651A (en) * | 2004-12-10 | 2006-06-14 | 中兴通讯股份有限公司 | Method for data synchronizing of double juncting exchange user of program control exchanger |
| CN1984474A (en) * | 2006-05-30 | 2007-06-20 | 华为技术有限公司 | Method and system for realizing mobile user data safety backup |
| CN101083782A (en) * | 2007-07-27 | 2007-12-05 | 中兴通讯股份有限公司 | Realization of junction centre exchange switchboard and dual junction centre exchange switchboard calling method |
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| US6493444B2 (en) * | 1999-03-16 | 2002-12-10 | Bell Canada | Enhanced application telephone network |
| CN101282496B (en) * | 2008-05-23 | 2010-07-07 | 中兴通讯股份有限公司 | Method, system and apparatus for implementing call service based on double junction centers |
| CN101577840B (en) * | 2009-06-08 | 2011-03-16 | 中兴通讯股份有限公司 | Double-tandem communication network user data synchronization method and device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787651A (en) * | 2004-12-10 | 2006-06-14 | 中兴通讯股份有限公司 | Method for data synchronizing of double juncting exchange user of program control exchanger |
| CN1984474A (en) * | 2006-05-30 | 2007-06-20 | 华为技术有限公司 | Method and system for realizing mobile user data safety backup |
| CN101083782A (en) * | 2007-07-27 | 2007-12-05 | 中兴通讯股份有限公司 | Realization of junction centre exchange switchboard and dual junction centre exchange switchboard calling method |
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| CN101577840A (en) | 2009-11-11 |
| WO2010142184A1 (en) | 2010-12-16 |
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