WO2011127717A1 - Procédé et système de synchronisation de données pour demande de portabilité d'un numéro mobile de travail sur internet - Google Patents

Procédé et système de synchronisation de données pour demande de portabilité d'un numéro mobile de travail sur internet Download PDF

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Publication number
WO2011127717A1
WO2011127717A1 PCT/CN2010/077009 CN2010077009W WO2011127717A1 WO 2011127717 A1 WO2011127717 A1 WO 2011127717A1 CN 2010077009 W CN2010077009 W CN 2010077009W WO 2011127717 A1 WO2011127717 A1 WO 2011127717A1
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WIPO (PCT)
Prior art keywords
dns
file information
primary
enum system
serial number
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PCT/CN2010/077009
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English (en)
Chinese (zh)
Inventor
孙望
许可喜
吴丽梅
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中兴通讯股份有限公司
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Publication of WO2011127717A1 publication Critical patent/WO2011127717A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4552—Lookup mechanisms between a plurality of directories; Synchronisation of directories, e.g. metadirectories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4557—Directories for hybrid networks, e.g. including telephone numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H04W8/28—Number portability ; Network address portability

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method and system for synchronizing data in an inter-network mobile number carrying application of an E.164 number (ENUM, E.164 Number) System/Domain Name System (DNS). Background technique
  • E.164 number ENUM, E.164 Number
  • DNS System/Domain Name System
  • NP Number Portability
  • MSISDN Mobile Subscriber International ISDN
  • RN Routing Number
  • NPDB Number Portability Database
  • Sybase database which stores NP data of all mobile numbers of the telecommunications, among which Including the MSISDN and the incoming network id (identity), the obtained RN information can be known by the incoming network id.
  • the ENUM system/DNS client MMS center needs the ENUM system/DNS to include the RN information in the result of each query, to determine where to forward.
  • the structure of China Telecom's ENUM system/DNS is the active and standby ENUM system/DNS. Each system has its own multiple business machines.
  • the NPDB and the main ENUM system/DNS are deployed together. If multiple business machines check the RN information and forward the MMS center to the NPDB, a query process will be added to affect the system performance, and once the NPDB fails, the entire service will be affected. Therefore it is necessary to put the NPDB
  • the data is synchronized to the ENUM system/DNS, but there is a problem of how to synchronize the two in real time, because the carrier number is carried out at any time, and the data in the NPDB is also updated in real time. Summary of the invention
  • the embodiment of the present invention provides a data synchronization method and system in an inter-network mobile number portability application, and the technical solution is as follows:
  • a method for data synchronization in an inter-network mobile number application comprising: a primary E.164 number ENUM system/domain name system DNS receiving number carrying a number carried by a database carrying incremental file information, and loading, wherein the number carries
  • the quantity file information includes: the association information of the user mobile number and the carried network identifier; after the primary ENUM system/DNS successfully loads the number carrying the incremental file information, the primary ENUM system/DNS sends the number carrying incremental file information to the standby ENUM system/DNS; The standby ENUM system/DNS receives the number and carries the incremental file information and loads it.
  • the step of the primary ENUM system/DNS receiving number carrying database carrying the incremental file information includes: the primary ENUM system/DNS receiving the serial number query message sent by the number carrying database, and sending the first serial number to The number portability database; the number portability database determines whether the first difference between the current serial number and the first sequence number that is queried is a preset value, and when the first difference is a preset value, The primary ENUM system/DNS sends the number carrying delta file information.
  • the method further includes: when the number portability database determines that the first difference value is not the preset value, then an alarm is generated.
  • the step of the primary ENUM system/DNS sending the number carrying incremental file information to the standby ENUM system/DNS includes: the primary ENUM system/DNS, after loading the number carrying the incremental file information, the first sequence Change the preset value, and send a serial number query message to the standby ENUM system/DNS; the standby ENUM system/DNS queries according to the serial number a message, the second serial number is sent to the primary ENUM system/DNS; the primary ENUM system/DNS determines whether the second difference between the second serial number and the current serial number is the preset value; When the second difference is a preset value, the primary ENUM system/DNS sends the number carrying incremental file information to the standby ENUM system/DNS.
  • the step of notifying the primary ENUM system/DNS after the backup ENUM system/DNS receives the number carrying the incremental file information, and after successfully loading the number carrying the incremental file information includes: the standby ENUM system/DNS is After the loading succeeds that the number carries the incremental file information, the primary ENUM system/DNS is notified, and the second serial number is changed by a preset value.
  • notifying the primary ENUM system/DNS, and changing the second serial number to a preset value includes: preparing the ENUM system
  • the backup device of the /DNS notifies the primary notify device of the primary ENUM system/DNS after loading the number carrying the incremental file information, and changes the second serial number to the preset value;
  • the notify device obtains the third serial number from the second plurality of service machines of the standby ENUM system/DNS by using the serial number query message, and determines whether the third difference between the current serial number and the third serial number is the a preset value, when the third preset difference is a preset value, sending the number carrying incremental file information to the second plurality of service machines; and the second plurality of service machines loading the number carrying The file information is incremented, and after the loading is successful, the third serial number is changed by the preset value.
  • the method further includes: the multimedia message service center MMSC to which the calling user belongs receives the multimedia message sent by the calling user, the multimedia message includes the called user identifier; and the MMSC to which the calling user belongs sends the query to the primary/secondary ENUM system/DNS. Requesting, querying the MMSC to which the called user belongs, the query request including the called user identifier; and the primary/backup ENUM system/DNS querying the local database for the routing number corresponding to the called user identifier according to the query request After determining that the called user is another operator according to the routing number, sending the multimedia message to the called user according to the routing number.
  • a system for data synchronization in an internet mobile number application comprising:
  • the primary ENUM system/DNS is configured to receive and upload the incremental file information sent by the number portability database, where the number carrying the incremental file information includes: the associated information of the user mobile number and the carried network identifier; After successfully loading the number carrying incremental file information, sending the number carrying incremental file information to the standby ENUM system/DNS;
  • the ENUM system/DNS is configured to receive the incremental file information of the number, and notify the primary ENUM system/DNS after successfully loading the number carrying the incremental file information.
  • the primary ENUM system/DNS includes a primary notify device and a first plurality of service machines, and the primary notify device and the first plurality of service machines are configured to receive a serial number query message sent by the number portability database, and the first serial number is Sended to the number portability database;
  • the number carrying database is specifically configured to determine whether the first difference between the current serial number and the first serial number that is queried is a preset value, and when the first difference is a preset value, The primary notify device and the first plurality of service machines send the number carrying delta file information, and change the first serial number to the preset value.
  • the primary ENUM system/DNS is further configured to: after loading the number carrying the incremental file information, change the first serial number to a preset value, and send the identifier to the standby notify device of the standby ENUM system/DNS. Serial number query message;
  • the standby notify device is configured to send a second serial number to the ENUM system/DNS according to the serial number query message;
  • the primary ENUM system/DNS is further configured to determine whether the second difference between the second serial number and the current serial number is a preset value; when the second difference is a preset value, the primary ENUM The system/DNS sends the number carrying delta file information to the standby notify device.
  • the ENUM system/DNS includes a standby notify device and a second number of business machines.
  • the standby notify device is configured to notify the primary notify device after loading the number carrying the incremental file information, and change the second serial number to the preset value;
  • the serial number query message obtains a third serial number from the second plurality of service machines, and determines whether the third difference between the current serial number and the third serial number is the preset value, when the third When the preset difference is a preset value, the number carrying incremental file information is sent to the second plurality of service machines;
  • the second plurality of service machines are configured to load the number carrying incremental file information, and after the loading is successful, change the third serial number to the preset value.
  • the embodiment of the present invention carries the incremental file information and the loading of the number carried by the primary ENUM system/DNS receiving number carrying database, wherein the number carrying the incremental file information includes: the associated information of the user mobile number and the carried network identifier; After the ENUM system/DNS successfully loads the number and carries the incremental file information, it sends the number to the standby ENUM system/DNS to carry the incremental file information. The standby ENUM system/DNS receives the number and carries the incremental file information, and successfully loads the number. After the number carries the incremental file information, the primary ENUM system/DNS is notified, and the ENUM system/DNS is used to query the routing number.
  • the number portability database is not required for each ENUM system/DNS, which reduces the deployment cost.
  • the number portability database is only responsible for accepting the real-time data update of the upper-level network element, and synchronizing to the ENUM system/DNS, improving the response speed and processing efficiency of the system; avoiding the failure of the number portability database After affecting other businesses, improving system stability .
  • FIG. 1 is a schematic flowchart of a method for data synchronization in an inter-network mobile number portability application according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a data synchronization message interaction process of a primary ENUM system/DNS according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a data synchronization message interaction process between an active and standby ENUM system/DNS according to an embodiment of the present invention
  • FIG. 4 is a data synchronization message interaction of a standby ENUM system/DNS according to an embodiment of the present invention. Schematic diagram of the process
  • FIG. 5 is a schematic diagram of an ENUM/DNS service machine supporting a multimedia message sending service in a number portability network according to an embodiment of the present invention
  • FIG. 6 is a system structural diagram of data synchronization in an internet mobile number application according to an embodiment of the present invention. detailed description
  • the core idea of the present invention is: The number sent by the primary ENUM system/DNS receiving number carrying database carries the incremental file information and is loaded, wherein the number carrying the incremental file information includes: the associated information of the user mobile number and the carried network identifier After the primary ENUM system/DNS successfully loads the number and carries the incremental file information, the primary ENUM system/DNS sends the number to carry the incremental file information; the standby ENUM system/DNS receives the number and carries the incremental file information, and After successfully loading the number and carrying the incremental file information, the main ENUM system/DNS is notified, which reduces the deployment cost and improves the stability and response speed of the ENUM system/DNS.
  • the embodiment of the invention provides a method for data synchronization in an internet mobile number application, as shown in FIG. 1 , which includes:
  • Step 101 The primary ENUM system/DNS receives the number-carrying file information sent by the number-carrying database, and loads the information, where the number carrying the incremental file information includes: the associated information of the user mobile number and the carried network identifier;
  • Step 102 After successfully loading the number and carrying the incremental file information, the primary ENUM system/DNS sends the number to the standby ENUM system/DNS to carry the incremental file information;
  • Step 103 The ENUM system/DNS receives the number and carries the incremental file information, and notifies the main ENUM system/DNS after successfully loading the number and carrying the incremental file information.
  • step of the primary ENUM system/DNS receiving the number carried by the number carrying database carrying the incremental file information includes:
  • the main notification (notify) device in the primary ENUM system/DNS and the first number of business machines receive The serial number query message sent by the number portability database, and the first serial number is sent to the number portability database;
  • the number portability database determines whether the first difference between the current serial number and the first sequence number that is queried is a preset value. When the first difference is a preset value, the primary notify device and the first number of service machines are The sending number carries the incremental file information.
  • the steps of the primary ENUM system/DNS sending the number carrying incremental file information to the standby ENUM system/DNS include:
  • the primary notify device in the primary ENUM system/DNS changes the first serial number by a preset value, and sends a serial number query message to the standby notify device of the ENUM system/DNS;
  • the notify device sends a second serial number to the primary notify device according to the serial number query message; the primary notify device determines whether the second difference between the queried second serial number and the current serial number is a preset value; When the value is a preset value, the primary notify device sends the number carrying delta file information to the standby notify device.
  • the ENUM system/DNS receiving number carries the incremental file information
  • the step of notifying the primary ENUM system/DNS after successfully loading the number carrying the incremental file information includes: preparing the ENUM system/DNS backup notify device to be successfully loaded After the number carries the incremental file information, the main notify device is notified, and the second serial number is changed by a preset value;
  • the notify device obtains the third serial number from the second plurality of service machines of the standby ENUM system/DNS through the serial number query message, and determines whether the third difference between the current serial number and the third serial number of the query is a preset.
  • the value when the third preset difference is a preset value, sending the number carrying incremental file information to the second plurality of business machines;
  • the second plurality of service machines load the number to carry the incremental file information, and after the loading is successful, change the third serial number to a preset value. Further, the method further includes:
  • the multimedia message service center (MMSC) to which the calling user belongs receives the multimedia message sent by the calling user, and the multimedia message includes the called user identifier; the MMSC to which the calling user belongs sends a query to the primary/secondary ENUM system/DNS. Requesting, querying the MMSC to which the called user belongs, and the query request includes the called user identifier;
  • the primary/backup ENUM system/DNS queries the local database for the routing number corresponding to the called user identifier according to the query request;
  • the MMS After determining that the called user is another operator according to the routing number, the MMS is sent to the called user according to the routing number.
  • Figure 2 shows the data synchronization message interaction flow chart of the main ENUM system/DNS.
  • the main ENUM system/DNS has 4 main network elements, the main notify device and 3 business machines.
  • the number of network elements is only required for the sake of example, and is not limited thereto.
  • this embodiment introduces the concept of a serial number. If there is a change in the data on the NPDB, a number carrying incremental file will be generated (step 201). Taking the 21st update as an example, the serial number of the updated NPDB is changed from 20 to 21, and NP0000000020-0000000021.ixf is generated, and the file indicates the 20th. The number from the next to the 21st update carries the delta file, and the contents of the file are the execution sql statements of those mobile numbers that are changed in this update, such as insert into tbl_NP2 values ('13813829772', O0330220').
  • the tbl_NP2 is the sql table name created on the ENUM system/DNS, and is used to store the last digit of the mobile number and its corresponding network id. There are 10 such tables, which store the mobile number information with the last digits of 0 to 9 respectively.
  • the following 00330220 is the network id, which means that the incoming network is the China Telecom CDMA network, according to the correspondence between the network id and the RN information.
  • the RN information corresponding to the carried network id is 1241, that is, China Telecom.
  • the interaction between the NPDB and the primary ENUM system/DNS is as follows:
  • the NPDB sends a sequence number query message to the primary notify device and the three service machines, respectively, and queries the sequence numbers on the four network elements (step 202).
  • the NPDB determines whether the sequence number in the received response is different from the current sequence number of the NPDB by 1 (step 204), if not equal to 1, an alarm is required, waiting for the manual operation to resume, and the synchronization process is terminated (step 205).
  • the value 1 is only for the sake of example, and the scope of protection of the present invention is not limited thereto.
  • the NPDB sends the updated number carrying incremental file to the four network elements according to the File Transfer Protocol (FTP). 206). If the sending of the updated number to any of the NEs fails to carry the delta file, the alarm is generated and waits for manual recovery. If the updated number carrying delta file is successfully sent to the four network elements, they are notified to load the number carrying delta file and recorded in the database (step 207). Each network element loads the number carrying delta file into the database (step 208), and after the loading is successful, changes its serial number from 20 to 1 to 21, and returns a response to the NPDB to indicate whether the loading is successful ( Step 209). If the NPDB does not receive a response that the four NEs are successfully loaded, the alarm is generated and waits for manual recovery.
  • FTP File Transfer Protocol
  • FIG. 3 is a flow chart of data synchronization message exchange between the active and standby ENUM systems/DNS in the embodiment, and the detailed process is as follows:
  • the primary notify device After the primary notify device successfully updates the number carrying incremental file, it sends a serial number query message to the standby notify device, and queries the serial number on the standby device (step 301).
  • the primary notify device does not receive the response of the sequence number query message returned by the standby notify device, an alarm is required, and the manual operation is resumed, and the synchronization process is terminated.
  • the primary notify device receives the response of the sequence number query message returned by the standby notify device (step 302), and determines the response. Whether the serial number in the current sequence number and the current serial number of the primary notify device are not equal to 1 (step 303), if not equal to 1, the alarm is waited for manual recovery, and the synchronization process is stopped (step 304).
  • the updated number carrying incremental file is sent to the standby notify device according to the FTP (step 305), and the message is sent to notify notify after the transmission is successful.
  • the device is loaded (step 306).
  • the serial number changes from 20 to 21 (step 307), and the main notify device is notified whether the loading is successful (step 308).
  • the primary notify device does not receive a response that the standby notify is successfully loaded, it will alarm and wait for the manual recovery.
  • the ENUM system/DNS has four main network elements, a notify device, and three service machines.
  • the detailed process is as follows:
  • the notify device After receiving the serial number query message sent by the primary notify device, the notify device first sends a serial number query message to the three service machines, and queries the serial numbers on the three service machines (step 401).
  • the standby device receives the response of the serial number query message returned by the three business machines (step 402), and determines whether the serial number in the response and the current serial number of the standby notify device are not equal to one (step 403), if If any difference is not equal to 1, then an alarm is issued, waiting for manual recovery, and the synchronization process is stopped (step 404).
  • the number carrying incremental file is sent to the three service machines according to the FTP (step 405), and the message is sent after the successful transmission.
  • the three business machines load the number carrying the delta file (step 406).
  • the serial number changes from 20 to 21 (step 408), and notifies the standby device whether the loading is successful (step 409). If the notify device does not receive the response that the three service machines are successfully loaded, it will alarm and wait for manual recovery.
  • FIG. 5 is a schematic diagram of the inter-network MMS sending service after the ENUM/DNS service machine supports the number carrying in the embodiment.
  • the MMSC of Beijing Telecom will query, that is, the MMSC A to which the calling user belongs is queried when querying the ENUM system/DNS to obtain the MMSC address of the called user. It can be known whether the user is still moving or has moved out to Unicom or Telecom, and routes are selected accordingly. Since the user attribution is dynamic, each route needs to go to the ENUM system/DNS for query. specifically ,
  • the mobile subscriber A is connected to a Packet Data Serving Node (PDSN) network and sends a multimedia short message to the MMSC A through a Wireless Application Protocol (WLAN) gateway (the WAP GW).
  • the called subscriber number is MSISDN B. .
  • MMSC A queries the ENUM system/DNS according to the called subscriber number to find the MMSC to which the called subscriber belongs.
  • the ENUM system/DNS queries the local database according to the called number and finds that the called user is the user of the carrier network. Therefore, the response is sent to the MMSC A, where the called number and its corresponding RN information are sent.
  • MMSC A sends the multimedia message to the multimedia interworking gateway (MMSIG, according to the RN of the called number.
  • MMSIG multimedia interworking gateway
  • MMSIG A sends the MMS to the MMSIG B of the called subscriber's home network according to the RN number.
  • the embodiment of the invention provides a system for data synchronization in an internet mobile number application, as shown in FIG. 6, which includes:
  • the primary ENUM system/DNS is configured to receive the incremental file information and the loading of the number carried by the number portability database, where the number carrying the incremental file information includes: the associated information of the user mobile number and the carried network identifier;
  • the primary ENUM system/DNS is further configured to send the number carrying incremental file information to the standby ENUM system/DNS after successfully loading the number carrying incremental file information;
  • the standby ENUM system/DNS is configured to receive the number carrying incremental file information, and notify the primary ENUM system/DNS after successfully loading the number carrying incremental file information.
  • the primary ENUM system/DNS includes a primary notify device and a first plurality of service machines, and the primary notify device and the first plurality of service machines are configured to receive a serial number query message sent by the number portability database, and the first sequence is The number is sent to the number portability database; the number portability database is configured to determine whether the first difference between the current serial number and the first sequence number that is queried is a preset value, and when the first difference is a pre- When the value is set, the number carrying incremental file information is sent to the primary notify device and the first plurality of service machines, and the first serial number is changed by the preset value.
  • the primary notify device is further configured to: after the loading of the number carrying the incremental file information, change the first serial number to the preset value, and send the preset device to the standby ENUM system/DNS Sending the serial number query message; the standby notify device, configured to send, according to the serial number query message, a second serial number to the primary notify device; the primary notify device, configured to determine the second Whether the second difference between the serial number and the current serial number is the preset value; when the second difference is a preset value, the primary notify device sends the number carrying increment to the standby notify device File information.
  • the standby notify device is configured to notify the primary notify device after loading the number carrying the incremental file information, and change the second serial number to the preset value;
  • the device is further configured to obtain, by using a serial number query message, a third serial number from the second plurality of service machines of the standby ENUM system/DNS, and determine whether the third difference between the current serial number of the self and the third serial number is For the preset value, when the third preset difference is a preset value, the number carrying incremental file information is sent to the second plurality of service machines; the second plurality of service machines, Used to load the number to carry the incremental file information, and load it into After the work, the third serial number is changed by the preset value.
  • the embodiment of the present invention carries the incremental file information and the loading of the number carried by the primary ENUM system/DNS receiving number carrying database, wherein the number carrying the incremental file information includes: the associated information of the user mobile number and the carried network identifier; After the primary ENUM system/DNS successfully loads the number and carries the incremental file information, it sends the number to the standby ENUM system/DNS to carry the incremental file information; the standby ENUM system/DNS receives the number and carries the incremental file information, and succeeds. After loading the number to carry the incremental file information and notifying the main ENUM system/DNS, the following beneficial effects can be achieved:
  • ENUM system/DNS is used to query the routing number of the called party's called party without increasing the MMS service flow, so as to avoid adding new functions to affect the processing efficiency of ENUM system/DNS and reduce the deployment cost.
  • the number portability database such as the NPDB, is not required to be queried, thereby avoiding the failure of the number portability database, thereby affecting the national service. Improve the stability of the system.
  • the performance requirements of the number portability database are reduced.
  • the number portability database is only responsible for accepting the real-time data update of the upper-level network element and synchronizing to the main ENUM system/DNS, which improves the response speed and processing efficiency of the system.

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Abstract

L'invention concerne un procédé et un système de synchronisation de données pour demande de portabilité d'un numéro de mobile de travail sur Internet. Le procédé comporte les étapes suivantes : un système de numéros E.164 (ENUM) / système de noms de domaines (DNS) principal reçoit et charge des informations de fichier d'incrément de portabilité des numéros envoyées par une base de données de portabilité des numéros, les informations de fichier d'incrément de portabilité des numéros comportant : les informations d'association du numéro de mobile d'un utilisateur et un identifiant de réseau d'accès (101); les informations de fichier d'incrément de portabilité des numéros sont envoyées à un système ENUM / DNS de substitution par le système ENUM / système de noms de domaines (DNS) principal après le chargement réussi des informations de fichier d'incrément de portabilité des numéros (102); le système ENUM / DNS de substitution reçoit les informations de fichier d'incrément de portabilité des numéros et notifie le système ENUM / DNS principal après le chargement réussi des informations de fichier d'incrément de portabilité des numéros (103).
PCT/CN2010/077009 2010-04-12 2010-09-16 Procédé et système de synchronisation de données pour demande de portabilité d'un numéro mobile de travail sur internet WO2011127717A1 (fr)

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