CN101998300B - Method, system and equipment for updating caching information by multimedia message processing equipment - Google Patents
Method, system and equipment for updating caching information by multimedia message processing equipment Download PDFInfo
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Abstract
The invention provides a method, system and equipment for updating caching information by multimedia message processing equipment. The method comprises the following steps: a telephone number mapping (ENUM)-domain name server (DNS) saves a query list, wherein, the query list comprises an identification of the multimedia message processing equipment for querying user routing information before being updated; the ENUM-DNS acquires the updated user routing information, acquires the identification of the multimedia message processing equipment for querying the user the routing information before being updated by a user according to the query list, and sends an updating notification containing the updated user routing information to the multimedia message processing equipment; and the multimedia message processing equipment updates the catching information according to the updating notification. By means of the invention, the catching information which contains the user routing information and is saved by a multimedia message service center (MMSC)/a multimedia message service gateway (MMSG) can be effectively updated at real time.
Description
Technical field
The present invention relates to the MMS technical field, particularly upgrade method, system and the equipment of Multimedia Message treatment facility cache information.
Background technology
In present multimedia messaging service, MMS (MMS) system, the transmit leg user may further comprise the steps to the process that recipient user sends Multimedia Message: the transmit leg user at first is sent to Multimedia Message the multimedia news service center (MMSC) of transmit leg user attaching/multimedia messaging service, MMS gateway (MMSG), when recipient's user attaching during in another MMSC, transmit leg user attaching MMSC/MMSG need to resolve to recipient user's number the address of recipient's user attaching MMSC, afterwards, Multimedia Message is sent to recipient's user attaching MMSC, by recipient's user attaching MMSC Multimedia Message is sent to recipient user again.
In order to realize the address above mentioned parsing, in telephone number mapping (ENUM)-name server (DNS), preserved the corresponding relation of each Subscriber Number and its ownership MMSC address, this corresponding relation is called routing iinformation.When transmit leg user attaching MMSC/MMSG receives the Multimedia Message that mails to a certain recipient user, search the routing iinformation that ENUM-DNS preserves, the address that obtains this recipient user's ownership MMSC; Simultaneously, in order to improve the routing inquiry performance, can in transmit leg user attaching MMSC/MMSG, set up tables of data, the routing iinformation that inquires is carried out buffer memory, be called cache information; After this, when transmit leg user attaching MMSC/MMSG receives another Multimedia Message that mails to this recipient user, direct query caching information just, the address that obtains this recipient's user attaching MMSC.
Along with development and the progress of mobile communication technology, mobile operator can satisfy user's various demands to a greater extent.For example, allow the user to carry its original number, forward another network to, even transfer the provider customer of another family to, and enjoy the various services that it provides, this is that the number of taking turns net.
But so new service has also brought new problem simultaneously.Under original situation, because user's ownership place is constant, its ownership MMSC also is constant, therefore the corresponding relation (namely user's routing iinformation) of Subscriber Number and its ownership MMSC address is more fixing, routing iinformation in MMSC and the MMSG buffer memory does not need to upgrade too frequently, accuracy and the reliability can guarantee information transmitted yet.After the run user number of taking turned net, the attaching relation of Subscriber Number was no longer so fixing, even might change the user of an other operator into.In this case, user's routing iinformation among the ENUM-DNS may have larger variation, in order to ensure accuracy and the reliability of MMSC and MMSG buffering route information, guarantee the normal transmission of message, the user's routing iinformation in MMSC and the MMSG buffer memory also should obtain upgrading immediately.
In order to guarantee the upgrading in time of user's routing iinformation in MMSC and the MMSG buffer memory, the mode that adopts at present is: when the change of user's routing iinformation is arranged among the ENUM-DNS at every turn, all can trigger all MMSC and MMSG and carry out update all.
Owing to have the larger MMSC of quantity and MMSG in the network, and the amount of information of each MMSC or MMSG buffer memory is larger, therefore, even only have a user's routing iinformation change also can trigger all MMSC and MMSG the information in the buffer memory is carried out update all, this obviously can cause the waste of inefficiency and various resources.
Summary of the invention
The present invention proposes a kind of method of upgrading Multimedia Message treatment facility cache information, can upgrade in real time, efficiently the cache information that comprises user's routing iinformation that MMSC/MMSG preserves.
The present invention also proposes a kind of system, ENUM-DNS and Multimedia Message treatment facility, can upgrade in real time, efficiently the cache information that comprises user's routing iinformation that MMSC/MMSG preserves.
Technical scheme of the present invention is achieved in that
A kind of method of upgrading Multimedia Message treatment facility cache information comprises:
ENUM-DNS preserves Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the user's routing iinformation before inquiry is upgraded;
ENUM-DNS obtains the user's routing iinformation after the renewal, according to described Query List, obtain the sign of the Multimedia Message treatment facility of the user routing iinformation of the described user of inquiry before upgrading, send the update notification that comprises the user's routing iinformation after the described renewal to described Multimedia Message treatment facility;
Described Multimedia Message treatment facility upgrades cache information according to update notification.
A kind of system that upgrades Multimedia Message treatment facility cache information comprises ENUM-DNS and Multimedia Message treatment facility; Wherein,
ENUM-DNS is used for preserving Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the user's routing iinformation before inquiry is upgraded; Also be used for obtaining the user's routing iinformation after the renewal, according to described Query List, obtain the sign of the Multimedia Message treatment facility of the user routing iinformation of the described user of inquiry before upgrading, send the update notification that comprises the user's routing iinformation after the described renewal to described Multimedia Message treatment facility;
The Multimedia Message treatment facility is used for according to described update notification, and cache information is upgraded.
A kind of ENUM-DNS that upgrades Multimedia Message treatment facility cache information comprises: Query List is preserved module, acquisition module, enquiry module and update notification module; Wherein,
Query List is preserved module, is used for preserving Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the user's routing iinformation before inquiry is upgraded;
Acquisition module is used for obtaining the user's routing iinformation after the renewal;
Enquiry module is used for according to described Query List, obtains the Multimedia Message treatment facility sign of the user's routing iinformation before the described user of inquiry upgrades;
The update notification module is used for sending the update notification that comprises the user's routing iinformation after the described renewal to described Multimedia Message treatment facility.
A kind of Multimedia Message treatment facility comprises: receiver module and real-time update module; Wherein,
Receiver module, the update notification that comprises the user's routing iinformation after the renewal that be used for to receive that ENUM-DNS sends;
Real-time update module for the update notification that receives according to receiver module, is upgraded cache information.
As fully visible, method, system and equipment that the present invention proposes, in ENUM-DNS, preserve the MMSC/MMSG sign of once inquiring about user's routing iinformation, after getting access to a certain user and having upgraded routing iinformation, search the MMSC/MMSG that once inquired about this user's routing iinformation, routing iinformation after upgrading is sent to the MMSC/MMSG that finds by update notification message, and MMSC/MMSG upgrades the cache information of self.In this way, realized upgrading in real time, efficiently the cache information that comprises user's routing iinformation that MMSC/MMSG preserves.
Description of drawings
Fig. 1 is the application scenarios schematic diagram that embodiment of the present invention is upgraded MMSC/MMSG cache information method;
Fig. 2 is the user C cache information renewal process schematic diagram that triggers of new routing information more in the embodiment of the present invention;
Fig. 3 is the system configuration schematic diagram that embodiment of the present invention is upgraded Multimedia Message treatment facility cache information.
Embodiment
The present invention proposes the method for a kind of renewal Multimedia Message treatment facility (the Multimedia Message treatment facility comprises MMSC and MMSG) cache information.Because the cache information of MMSC/MMSG all obtains from the ENUM-DNS inquiry, the present invention utilizes this characteristics, increases a Query List in ENUM-DNS, preserves the record of each MMSC/MMSG inquiring user routing iinformation; When the ENUM-DNS Real-time Obtaining changes to certain user's routing iinformation, ENUM-DNS obtains the MMSC/MMSG that inquired about this user's routing iinformation according to Query List, routing iinformation after upgrading is updated on these MMSC/MMSG synchronously, makes the cache information among these MMSC/MMSG keep correct.
Below lifting concrete execution mode introduces in detail.
Referring to Fig. 1, Fig. 1 is the application scenarios schematic diagram that embodiment of the present invention is upgraded MMSC/MMSG cache information method.
Step 1: initial set-up procedure
In Fig. 1,4 MMSC and 1 MMSG share 1 ENUM-DNS inquiring user routing iinformation, and user's routing iinformation of ENUM-DNS all is in real time, accurately here.The real-time update of user's routing iinformation realizes by other the whole network platforms among the ENUM-DNS, not within the discussion scope of this patent.For convenience of description, 4 MMSC difference called after MMSC1, MMSC2, MMSC3, MMSC4.
Under the initial condition, user A belongs to MMSC1, and user B belongs to MMSC2, and user C belongs to MMSC3, and user D is external user, belongs to root MMSC (ROOT MMSC).Such as the user routing iinformation of table 1 for the ENUM-DNS record, identical with the mode of recording user routing iinformation in the prior art.
| Subscriber Number | Ownership MMSC/MMCG |
| A | MMSC1 |
| B | MMSC2 |
| C | MMSC3 |
| D | ROOT MMSC |
Table 1
MMSC2, MMSC3 and MMSC4 inquired about the routing iinformation of user A to ENUM-DNS; MMSC1, MMSC3 and MMSG inquired about the routing iinformation of user B to ENUM-DNS; MMSC1 and MMSC2 and MMSG inquired about the routing iinformation of user C to ENUM-DNS; MMSC2 and MMSC3 inquired about the routing iinformation of user D to ENUM-DNS.
Query List is set among the ENUM-DNS, preserves the record of each MMSC/MMSG inquiring user routing iinformation; Table 2 is the Query List that ENUM-DNS arranges, and is to realize crucial setting the of the present invention.
| Subscriber Number | Query facility |
| A | MMSC2、MMSC3、MMSC4 |
| B | MMSC1、MMSC3、MMSG |
| C | MMSC1、MMSC2、MMSG |
| D | MMSC2、MMSC3 |
Table 2
Each MMSC/MMSG preserves cache information, comprises user's routing iinformation of self inquiring about, take MMSC1 as example, and the cache information that table 3 is preserved for MMSC1.
| Subscriber Number | Ownership MMSC/MMCG |
| B | MMSC2 |
| C | MMSC3 |
Table 3
Step 2: routing inquiry process
When user A sends multimedia messages to user B, multimedia messages at first is sent to the MMSC1 of user A ownership, the cache information of MMSC1 question blank 3, obtain the address of the ownership MMSC2 of user B, multimedia messages is sent to MMSC2, and MMSC2 is sent to user B with the multimedia messages that receives again.
When user A sent multimedia messages to user D, multimedia messages at first was sent to the MMSC1 of user A ownership.Do not preserve the ownership MMSC/MMCG of user D in the cache information of MMSC1, at this moment, MMSC1 sends the inquiry application to ENUM-DNS, and ENUM-DNS returns the routing iinformation (being the ownership ROOT MMSC of user D) of user D to MMSC1, and MMSC1 is according to this routing iinformation repeating multimedia information.And ENUM-DNS adds the record of MMSC1 inquiring user D in the Query List shown in the table 2, table 2 is updated to table 4:
| Subscriber Number | Query facility |
| A | MMSC2、MMSC3、MMSC4 |
| B | MMSC1、MMSC3、MMSG |
| C | MMSC1、MMSC2、MMSG |
| D | MMSC2、MMSC3、MMSC1 |
Table 4
MMSC1 adds the routing iinformation of user D according to the routing iinformation of the user D that receives in the cache information of table 3, table 3 is updated to table 5:
| Subscriber Number | Ownership MMSC/MMCG |
| B | MMSC2 |
| C | MMSC3 |
| D | ROOT MMSC |
Table 5
Step 3: trigger renewal process
MMSC/MMCG changes when user attaching, namely during user's updating route information, triggers the MMSC/MMCG that once inquired about this user's routing iinformation and upgrades the cache information of self preserving.
Take Fig. 2 as example, Fig. 2 is the user C cache information renewal process schematic diagram that triggers of new routing information more in the embodiment of the present invention.Comprise:
Step 201: user C is altered to MMSC2 place network by MMSC3, and ENUM-DNS obtains user C routing iinformation after changing in real time, and the user's routing iinformation under the initial condition shown in the table 1 is changed to table 6:
| Subscriber Number | Ownership MMSC/MMCG |
| A | MMSC1 |
| B | MMSC2 |
| C | MMSC2 |
| D | ROOT MMSC |
Table 6
Query List shown in the step 202:ENUM-DNS look-up table 4, the MMSC/MMCG that user C routing iinformation was once inquired about in discovery is MMSC1, MMSC2 and MMSG.
Step 203:ENUM-DNS sends update notification to MMSC1, MMSC2 and MMSG respectively, and this update notification has been carried the address information of the ownership MMSC/MMCG (being MMSC2) after the user C renewal.
Step 204:MMSC1, MMSC2 and MMSG upgrade respectively the cache information of self preserving according to the update notification that receives, and for example, MMSC1 is updated to table 7 with the cache information shown in the table 5:
| Subscriber Number | Ownership MMSC/MMCG |
| B | MMSC2 |
| C | MMSC2 |
| D | ROOT MMSC |
Table 7
The present invention also supports user's inter-network to turn the situation of net, for example, when user D turns net to MMSC4 place network by external user, the routing iinformation of user D upgrades, can trigger equally the MMSC/MMCG that once inquired about user D routing iinformation and upgrade the cache information of self preserving, detailed process and flow process shown in Figure 2 are similar.Still take MMSC1 as example, user D turns after the net, triggers MMSC1 and upgrades the cache information of self preserving, and the cache information shown in the table 7 is updated to table 8:
| Subscriber Number | Ownership MMSC/MMCG |
| B | MMSC2 |
| C | MMSC2 |
| D | MMSC4 |
Table 8
In addition, except above-mentioned triggering was upgraded, MMSC/MMCG can also regularly carry out full dose to cache information and upgrade with the suitable cycle, guaranteed that cache information all is up-to-date effective information.So-called full dose is upgraded, and refers to that MMSC/MMCG regularly empties buffer memory, then removes to inquire about ENUM-DNS by MMSC/MMCG at every turn, rebulids cache information.
Embodiment of the present invention also proposes a kind of system that upgrades Multimedia Message treatment facility cache information, and referring to Fig. 3, Fig. 3 is the system configuration schematic diagram that embodiment of the present invention is upgraded Multimedia Message treatment facility cache information.This system comprises ENUM-DNS 310 and Multimedia Message treatment facility 320; Wherein,
ENUM-DNS 310, are used for preserving Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the user's routing iinformation before inquiry is upgraded; Also be used for obtaining the user's routing iinformation after the renewal, according to described Query List, obtain the sign of the Multimedia Message treatment facility of the user routing iinformation of inquiry before the described renewal, send the update notification that comprises the user's routing iinformation after the described renewal to described Multimedia Message treatment facility;
Multimedia Message treatment facility 320 is used for according to described update notification, and cache information is upgraded.
Above-mentioned Multimedia Message treatment facility 320 can also be used for, and according to the predefined cycle cache information of self preserving is carried out full dose and upgrades.
Above-mentioned Multimedia Message treatment facility 320 can be MMSC or MMSG.
Embodiment of the present invention also proposes a kind of ENUM-DNS that upgrades Multimedia Message treatment facility cache information, and referring to Fig. 3, this ENUM-DNS comprises: Query List is preserved module 311, acquisition module 312, enquiry module 313 and update notification module 314; Wherein,
Query List is preserved module 311, is used for preserving Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the user's routing iinformation before inquiry is upgraded;
Embodiment of the present invention also proposes a kind of Multimedia Message treatment facility, and referring to Fig. 3, this Multimedia Message treatment facility comprises: receiver module 321 and real-time update module 322; Wherein,
Real-time update module 322 for the update notification that receives according to receiver module, is upgraded cache information.
The said equipment can also comprise:
Full dose update module 323 is used for according to the predefined cycle cache information of self preserving being carried out full dose and upgrades.
The said equipment can be MMSC or MMSG.
As fully visible, method, system and equipment that embodiment of the present invention proposes, when user's routing iinformation occurs to upgrade, ENUM-DNS is according to the Query Information of pre-save, find the MMSC/MMCG that preserves this user's routing iinformation, this user's routing iinformation after upgrading is sent to the MMSC/MMCG that finds, and MMSC/MMCG only upgrades the routing iinformation of this user in the cache information, and other user's routing iinformation is not done change; And the MMSC/MMCG that does not preserve this user's routing iinformation can not be triggered yet and carry out the cache information renewal.As seen, this update mode that the present invention proposes had both reduced the quantity of the MMSC/MMCG that carries out the cache information renewal, had also reduced the content that single MMSC/MMCG need to upgrade; Simultaneously, because user's routing iinformation has guaranteed the accuracy of MMSC/MMCG cache information once the generation change is real-time update.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (7)
1. a method of upgrading Multimedia Message treatment facility cache information is characterized in that, described method comprises:
Telephone number mapping ENUM-domain name server (DNS) is preserved Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the routing iinformation before inquiring user upgrades;
ENUM-DNS obtains the routing iinformation after the user upgrades, according to described Query List, obtain the sign of the Multimedia Message treatment facility of the user's routing iinformation before the described user of inquiry upgrades, send the update notification that comprises the routing iinformation after described user upgrades to described Multimedia Message treatment facility;
Described Multimedia Message treatment facility upgrades cache information according to update notification.
2. method according to claim 1 is characterized in that, described method also comprises: described Multimedia Message treatment facility carries out full dose according to the predefined cycle to the cache information of self preserving to be upgraded.
3. method according to claim 1 and 2 is characterized in that, described Multimedia Message treatment facility is multimedia news service center MMSC or multimedia messaging service, MMS gateway MMSG.
4. a system that upgrades Multimedia Message treatment facility cache information is characterized in that, described system comprises ENUM-DNS and Multimedia Message treatment facility; Wherein,
Described ENUM-DNS is used for preserving Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the routing iinformation before inquiring user upgrades; Also be used for obtaining the routing iinformation after the user upgrades, according to described Query List, obtain the sign of the Multimedia Message treatment facility of the user's routing iinformation before the described user of inquiry upgrades, send the update notification that comprises the routing iinformation after described user upgrades to described Multimedia Message treatment facility;
Described Multimedia Message treatment facility is used for according to described update notification, and cache information is upgraded.
5. system according to claim 4 is characterized in that, described Multimedia Message treatment facility also is used for, and according to the predefined cycle cache information of self preserving is carried out full dose and upgrades.
6. according to claim 4 or 5 described systems, it is characterized in that described Multimedia Message treatment facility is MMSC or MMSG.
7. a telephone number mapping-name server is characterized in that, described telephone number mapping-name server comprises: Query List is preserved module, acquisition module, enquiry module and update notification module; Wherein,
Described Query List is preserved module, is used for preserving Query List, and described Query List comprises: the Multimedia Message treatment facility sign of the routing iinformation before inquiring user upgrades;
Described acquisition module is used for obtaining the routing iinformation after the user upgrades;
Described enquiry module is used for according to described Query List, obtains the Multimedia Message treatment facility sign of the user's routing iinformation before the described user of inquiry upgrades;
Described update notification module is used for sending the update notification that comprises the routing iinformation after described user upgrades to described Multimedia Message treatment facility.
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| WO2007016351A2 (en) * | 2005-07-28 | 2007-02-08 | Grape Technology Group, Inc. | Enhanced directory assistance system with enum based features |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756387A (en) * | 2004-09-29 | 2006-04-05 | 华为技术有限公司 | Method for realizing mobile data service unification route in communication system |
| CN1805450A (en) * | 2005-01-10 | 2006-07-19 | 华为技术有限公司 | Method of implementing data synchronization between server and client in DNS mechanism |
| WO2007016351A2 (en) * | 2005-07-28 | 2007-02-08 | Grape Technology Group, Inc. | Enhanced directory assistance system with enum based features |
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