CN103561441A - Dynamic strategy updating method and device based on timestamp - Google Patents
Dynamic strategy updating method and device based on timestamp Download PDFInfo
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- CN103561441A CN103561441A CN201310499333.9A CN201310499333A CN103561441A CN 103561441 A CN103561441 A CN 103561441A CN 201310499333 A CN201310499333 A CN 201310499333A CN 103561441 A CN103561441 A CN 103561441A
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Abstract
The invention discloses a dynamic strategy updating method and device based on a timestamp. The method is achieved based on a user data base, timestamp information of user states is added in user data, a user registration state and a user registration time point are indicated, and when a user registers among a circuit domain, a packet domain and an IMS domain, a user route strategy is selected according to the timestamp information of user registration update. The timestamp information of user states is added, the route selection strategy of the user is varied, and the problem that a route can not be selected normally according to the user states in the process of user calling route inquiry is solved.
Description
Technical field
The invention belongs to communication technical field, relate to the routing mechanism of network, relate in particular to a kind of dynamic strategy update method and equipment based on timestamp.
Background technology
Altogether number is operator while there are multiple mobile core networks (CS, PS or IMS), shares same set of coding resource, and the user under heterogeneous networks can use identical code number at the same time or separately in multiple mobile core networks logins resident.Consider and the compatibility of existing coding resource, shared coding resource adopts the code form of the E.164 form of traditional mobile number conventionally.Number can either solve the problem of operator's coding resource anxiety altogether, can retain again user's number, gives user with good experience.
SCC AS, full name is Service Centralization and Continuity Application Server, be service set and application server for continuity, it is the IMS application server in home network, in caller or called flow, by iFC triggering rule, this service server is inserted in session path, when generally SCC AS triggers, be arranged in first AS in caller path or last AS in called path, it mainly completes the functions such as traffic transfer and territory selection.
Aspect traffic transfer, can provide Session Hand-off (Session Transfer) function for SRVCC user, guarantee the continuity of LTE speech business, complete the normal switching of VoLTE business from IMS territory to circuit domain call process; Aspect service set control, can assist ICS function, SCC-AS can be used as sip user agent and replaces CS user to access IMS, completes foundation and the control of IMS session, realizes ICS user agent's function; This function is mainly terminal use, in moving process, to guarantee from LTE network to 3G network that speech business different covering is not interrupted and the function set.
Exhaling eventually aspect the selection of territory, SCC-AS possesses the ability of access domain selection simultaneously, be T-ADS(Terminating Access Domain Selection, exhale eventually access domain selection), be that it can coordinate with HSS, dereference SGSN/MME, thereby the network of the current login of judgement user, thus work is selected in the territory of finishing service and access.
In addition,, in GSMA standard, in order to trigger SCC-AS, carry out Business Processing and judgement, user's special intelligent network business of will be signed, it is upper that this SCP function is built in SCC-AS, and SCC-AS supports CAP interface to MSC, the grappling process by this function completing circuit territory to IMS territory.
Development from network, the relation that IMS and mobile network soft switch will keep intercommunication and deposit within the longer time, soft switch evolution is to ICS(IMS Centralized Services, IMS centralized traffic), by unified control of IMS, also need certain hour, therefore, before Pre-ICS(IMS centralized traffic) stage, user speech business is responsible for by IMS on LTE network, on 2G/3G network, by circuit domain flexible exchanging network, is responsible for.
VoL TE user adopts the scene demand concrete analysis under common number mode as follows:
■ is for called subscriber, wherein speech business can be attached to circuit domain, by circuit domain, provided, also can be registered in IMS network, by packet domain, access by IMS network business is provided, therefore exist voice to answer the situation of many passages, need to have network element to have eventually and exhale territory selection function, select to set up session from which territory route and called subscriber.
Therefore, for VoLTE user, adopting under the scene of same subscriber coding resource, need to guarantee that user can be without the current network adhering to of perception (2G, 3G or LTE), as long as can receive calls in mobile cellular signal cover.
And in order to solve the problem of called territory selection, in standard, having introduced the concept of SCC-AS, Fig. 1 is the scene graph of the IR.64 standard criterion of GSMA issue, is the scene in Pre-ICS stage under this scene, has disposed MSC, the support ICS function but this MSC does not upgrade.
In standard, in order to trigger SCC-AS, carry out Business Processing and judgement, when Calling Side user is from circuit domain time, in standard, require the user special SCP that contracts, as shown in Figure 1, user's special intelligent network business of will be signed, it is upper that this SCP function is built in SCC-AS, and SCC-AS supports CAP interface to MSC.Caller MSC is connected to SCC-AS upper (the double SCP of being function) by CAP interface, when Calling Side is initiated business, signaling is carried out business triggering from Calling Side, the speech business that caller is initiated all anchors to IMS territory, after entering IMS territory and then trigger the business judgement that SCC-AS server carries out callee side, complete the access domain selection process of callee side.
In caller from circuit domain, called is, under a user's who opens VoLTE function scene, when calling subscriber's reality is when circuit domain logs in, to call out after callee side, user still needs first to anchor to IMS territory, by SCC-AS, judge processing, SCCAS is by access HLR/HSS, and the user profile of SGSN/MME, obtain active user after the state in CS territory, by MGCF, call routing is gone out to IMS territory again, to circuit domain side, process, thereby complete whole call flow.Can cause like this calling and called user all from circuit domain, to log in, but owing to calling out callee for number user altogether, due to signing special common code service, be forced to anchor to behind IMS territory, then route returns the process in CS territory, so just cause the roundabout problem of route.
From operation angle, tradition mobile network's user code number is its extremely valuable customer resources, and for IMS network, although comparing traditional mobile network, its Subscriber Number can adopt User Identity collocation form more flexibly, but consider from the conforming angle of business experience, particularly for traditional basic business of the operators such as voice/classes of messages, still need to consider to inherit existing mobile network's code form, be that IMS user can realize IMS business with 2G/3G network number, the common number of IMS and 2G/3G network is possessed existing customer group resource to user and is extremely important, therefore after the LTE of telecom operators disposes, in order to be user-friendly to, VoLTE user conventionally with the shared same number of existing network 2G/3G user, this number is done when called like this, network need to be selected called circuit domain or the IMS territory of being routed to according to called current login state.
The problem that currently available technology exists is that VoLTE terminal is still registered under normal circumstances in 2G/3G network, when entering the LTE network coverage, can initiate registration to IMS network, but now can not send out logout message to CS territory; Same but can not send out logout message to IMS while diffusing out LTE network, causing like this log-on message of terminal in CS territory and IMS territory is not real time information yet, and network cannot carry out the selection of called territory according to user's time of day.
Existing standard has proposed the concept of SCC-AS, this network element possesses the ability of access domain selection, be T-ADS(Terminating Access Domain Selection, exhale eventually access domain selection), be that it can coordinate with HLR/HSS, dereference SGSN/MME, thereby the network of the current login of judgement user, thus work is selected in the territory of finishing service and access.But under which, require terminal in the business of initiation, all must anchor to IMS territory and trigger the selection that SCC-AS server carrys out finishing service.Particularly, for the calling from circuit domain, also need to anchor to IMS territory and process, cause route roundabout on the one hand, be also unfavorable on the other hand business development.
In a word, the basic reason of above problem is can not carry out the mutual of user state information owing to providing between the circuit domain of speech business and two territories, IMS territory, and customer data base HLR/HSS equipment does not have the timestamp information of user registration state.That is,, when entering the LTE network coverage, can initiate registration to IMS network, but now can not send out logout message to CS territory; Same but can not send out logout message to IMS while diffusing out LTE network, causing like this log-on message of terminal in CS territory and IMS territory is not real time information, therefore causes above problem yet.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of dynamic strategy update method and equipment based on timestamp, based on customer data base HLR/HSS fusion device, realize, by user in circuit domain, packet domain and IMS territory not between same area in registration process, timestamp for user according to register update, routing strategy to this user changes, and in the process of solution user call routing inquiry, can not carry out according to User Status the problem of normal Route Selection.
Realize above-mentioned purpose, the invention provides a kind of dynamic strategy update method based on timestamp, comprise the steps:
Step 1), calling subscriber A initiate a speech business to called subscriber B, send the caller MSC that IAM message is served to calling subscriber;
Step 2), described caller MSC receives after call request, according to the number of described called subscriber B, obtain GT routing iinformation, to the HLR/HSS query routing information at described called subscriber B place, described HLR/HSS receives after described query routing information, carries out judgement handling process:
● if judgement user implementation strategy is to affect unsuccessfully (being that user is not in the registration of any territory), feeds back corresponding message to described caller MSC/VLR;
● if judgement user implementation strategy is to be routed to circuit domain, performs step 3 '-5 ';
● if judgement user implementation strategy is to be routed to IMS territory, performs step 3-5;
Step 3 '), described called HLR/HSS initiates to get roaming number (MSRN) message to VLR under called, sends PRN, go called under MSC obtain called roaming number.Described called MS C returns to described caller MSC by roaming number by HLR;
Step 4 '), main described cry MSC according to roaming number transmission IAM message to described called MS C;
Step 5 '), described called MS C sends paging message to described called subscriber B, thereby completes normal call.
Step 3), described called HLR/HSS send IMS territory roaming number to described caller MSC/VLR;
Step 4), described caller MSC send IAM message and route to described IMS territory to GMSC/MGCF;
Step 5), described IMS territory are addressed to described called subscriber's B location information, and give described called subscriber B by invite message, thereby complete normal call.
In better embodiment of the present invention, described step 2) described in, the query routing information concrete steps of HLR/HSS are as follows:
2-1), upgrade login state and the corresponding timestamp of user in customer data base;
2-2), the inquiry and the adjustment that by state machine, change,, from last state, adjust to this next state;
2-3), by state machine is inquired about, call and select selection strategy corresponding under certain state of application.
In another better embodiment of the present invention, described step 2-1) described in, user registration state and described timestamp form in HLR database are as follows:
| User registration state | The timestamp of current registration |
| Registered/unregistered | YYYY/MM/DD,hh/mm/ss |
Wherein, YY represents year, 4 of length; MM represents month, 2 of length; DD represents the date, 2 of length; Hh representative hour, 2 of length; Mm representative minute, 2 of length; Ss represents second, 2 of length.
In another better embodiment of the present invention, described step 2-2) described in, the four-tuple of state machine is:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS | |
| 1 | Registration | Time 1 | | Time | 2 |
| 2 | Registration | Time 1 | | Time | 2 |
| 3 | Registration | Time 1 | Unregistered | |
|
| 4 | Unregistered | Time 1 | | Time | 2 |
| 5 | Unregistered | Time 1 | Unregistered | |
User state machine has 5 kinds of state models, under different state models, to there being corresponding selection strategy, each user is in 5 kinds of state models under certain pattern, when user is after heterogeneous networks logs in, also can there is corresponding variation and adjust in this user's state model.
In better embodiment of the present invention, described step 2-1) upgrade login state and the corresponding timestamp of user in customer data base, if terminal in circuit domain, registration step is as follows:
1), UE sends location update message to MSC/VLR;
2), MSC/VLR sends location update message to HLR, initiation register flow path;
3), HLR upgrades hour of log-on stamp, and transfers tactful judgment mechanism, renewal user selection strategy.
In another better embodiment of the present invention, described step 2-1) upgrade login state and the corresponding timestamp of user in customer data base, if terminal in IMS territory, registration step is as follows:
1), UE sends location update message to P/I/S-CSCF;
2), P/I/S-CSCF sends location update message to HSS, initiation register flow path;
3), HSS upgrades hour of log-on stamp, and transfers tactful judgment mechanism, renewal user selection strategy.
The invention provides a kind of dynamic strategy based on timestamp updates the equipment, comprise memory module, administration module and processing module, described memory module is for storing the content four-tuple user profile of login state and time, described administration module is for the state machine of managing users registration state variation, described processing module is used for carrying out strategy judgement, according to the current state machine situation of user, upgrade to adjust, and relative users request is chosen as its service network for user.
The present invention is on customer data base basis, carry out function increase, carry out field extension--increase the timestamp information of User Status, a set of dynamic strategy mechanism of simultaneously formulating for timestamp, mainly based on customer data base HLR/HSS fusion device, realize, by user in circuit domain, packet domain and IMS territory not between same area in registration process, timestamp for user according to register update, routing strategy to this user changes, and in the process of solution user call routing inquiry, can not carry out according to User Status the problem of normal Route Selection.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is the Calling Side scene that the IR.64 standard criterion of GSMA issue anchors to IMS territory;
Fig. 2 is that the caller of a preferred embodiment of the present invention is from the call flow schematic diagram in CS territory;
Fig. 3 is the user registration state variable condition machine schematic diagram of a preferred embodiment of the present invention;
Fig. 4 is that execution flow process is upgraded in the user registration/position of a preferred embodiment of the present invention;
Fig. 5 is that flow process is carried out in user's routing iinformation request of a preferred embodiment of the present invention;
Fig. 6 is that the user of a preferred embodiment of the present invention registers schematic diagram from circuit domain;
Fig. 7 is that the user of a preferred embodiment of the present invention registers schematic diagram from IMS territory;
Fig. 8 is the composition schematic diagram that the dynamic strategy of preferred embodiment one by one of the present invention based on timestamp updated the equipment.
Embodiment
The present invention provides a kind of dynamic strategy update method and equipment based on timestamp, this equipment is mainly realized based on customer data base, by user in circuit domain, packet domain and IMS territory not between same area in registration process, timestamp for user according to register update, routing strategy to this user changes, and in the process of solution user call routing inquiry, can not carry out according to User Status the problem of normal Route Selection.
One, functions of the equipments requirement
It is fused data library facilities that the present invention requires customer data base, in these functions of the equipments, strengthens to some extent, mainly as follows:
● dynamic data increased functionality, the timestamp information of increase User Status, when user registers from circuit domain, HLR database, except indicating that user is registered, is indicated the time point that user registers in addition; When user registers from IMS territory, HSS database, except indicating that user is registered, is also indicated the time point that user registers in addition.
| User registration state | The timestamp of current registration |
| Registered/unregistered | YYYY/MM/DD,hh/mm/ss |
Wherein, YY represents year, 4 of length; MM represents month, 2 of length; DD represents the date, 2 of length; Hh representative hour, 2 of length; Mm representative minute, 2 of length; Ss represents second, 2 of length.
● store a set of content four-tuple (state 1: time 1; State 2: timestamp 2), and increase dynamic strategy judgment mechanism, machine-processed to there being a set of dynamic strategy for timestamp.Be exemplified below: user's registration state different with timestamp of Main Basis HLR and HSS, dynamically adjust policy mechanism, as selected circuit domain, select IMS territory.
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS | |
| 1 | Registration | Time 1 | | Time | 2 |
| 2 | Registration | Time 1 | | Time | 2 |
| 3 | Registration | Time 1 | | Time | 2 |
| 4 | Unregistered | Time 1 | | Time | 2 |
| 5 | Unregistered | Time 1 | | Time | 2 |
● dynamic change mechanism
Fig. 3 is user's state machine, shares at present state model in 5.Under different state models, to there being corresponding selection strategy.Each user is in 5 in state model under certain pattern, and when user is after heterogeneous networks logs in, this user's state model corresponding variation also can occur and adjusts.
● HLR/HSS carries out flow process
Fig. 4 and Fig. 5 upgrade and carry out flow process and user's routing iinformation request execution flow process for user registration/position, according to the different login state of user, have various states machine.Under different state machines, can have multiple strategic process, concrete strategic process is in rear embodiment.
Two, registration/position updating process
1, by circuit domain (CS territory) registration/position updating process
Terminal is when CS registers, and HLR completing user is registered, and HLR receives after the registration message of MSC initiation, and in update notifications HLR, the hour of log-on for circuit domain stabs, if register for the first time, fills in the time of this registration, and flow chart as shown in Figure 6.
Process description:
1) UE sends location update message to MSC/VLR;
2) MSC/VLR sends location update message to HLR, initiates register flow path;
3) HLR upgrades hour of log-on stamp, and transfers tactful judgment mechanism, upgrades user's selection strategy.
Here divide several situations to call Dynamic Selection mechanism.
1) situation one: if active user is not in other territory registrations, register for the first time in circuit domain.
User data state storage condition is as follows:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS |
| 1 | Registration | Time 1 | Unregistered | Time 2(default value) |
2) situation two: if active user is in the registration of IMS territory, in circuit domain, do not register.
Data mode storage condition before user is as follows:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS | |
| 1 | Unregistered | Time 1(acquiescence) | | Time | 2 |
User data state storage condition after change is as follows:
3) situation three: if active user is registered in CS territory and IMS territory.
Data mode storage condition before user is as follows:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS | |
| 1 | Registration | Time 1 | | Time | 2 |
User data state storage condition after change is as follows:
Finally, after the change of HLR/HSS judgement state, can call dynamic strategy mechanism (first judge user's login state, then judge the precedence relationship of HLR and HSS timestamp) and finally generate corresponding selection strategy, when supplying to carry out Route Selection, judge processing.
2, by IMS territory register flow path
VoL TE terminal, when IMS registers, by Access Network, is connected to after CSCF, by HSS completing user, register, HSS receives after registration message, and in update notifications HSS, the hour of log-on for IMS territory stabs, if register for the first time, fill in the time of this registration, flow chart 7.
Here divide several situations to transfer Dynamic Selection mechanism.
1) situation one: if active user is not in other territory registrations, register for the first time in IMS territory.
User data state storage condition is as follows:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS | |
| 1 | Registration | Time 1(default value) | | Time | 2 |
2) situation two: if active user is in the registration of CS territory, in IMS territory, do not register.
Data mode storage condition before user is as follows:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS |
| 1 | Registration | Time 1 | Unregistered | Time 2(acquiescence) |
User data state storage condition after change is as follows:
3) situation three: if active user is registered in CS territory and IMS territory.
Data mode storage condition before user is as follows:
| Sequence number | HLR User Status | The timestamp of HLR | HSS User Status | The timestamp of HSS | |
| 1 | Registration | Time 1 | | Time | 2 |
User data state storage condition after change is as follows:
Finally, after the change of HLR/HSS judgement state, can call dynamic strategy mechanism (first judge user's login state, then judge the precedence relationship of HLR and HSS timestamp) and finally generate corresponding selection strategy, when supplying to carry out Route Selection, judge processing.
As shown in Figure 2, concrete steps comprise a specific embodiment flow chart of the present invention:
Step 1, calling subscriber A initiates a speech business to called subscriber B, sends the caller MSC that IAM message is served to calling subscriber.
Now, HLR/HSS receives after query routing information, carries out judgement handling process:
If judgement user implementation strategy is to affect unsuccessfully (being that user is not in the registration of any territory), feed back corresponding message to caller MSC/VLR;
If judgement user implementation strategy is to be routed to circuit domain, perform step 3 ';
If judgement user implementation strategy is to be routed to IMS territory, perform step 3;
Step 3 ', called HLR/HSS initiates to get roaming number (MSRN) message to called affiliated VLR, sends PRN(Provide_Roaming_Number), go called affiliated MSC to obtain called roaming number.Called MS C returns to caller MSC by roaming number by HLR;
Step 4 ', caller MSC sends IAM message to called MS C according to roaming number;
Step 5 ', called MS C sends paging message to called subscriber B, thereby completes normal call.
Step 4, caller MSC send IAM message to, GMSC/MGCF routes to IMS territory;
As shown in Figure 8, a kind of dynamic strategy based on timestamp is updated the equipment, and comprises memory module, administration module and processing module, and memory module is for storing the user profile such as content four-tuple of login state and time.Administration module, for the state machine of managing users registration state variation, when user registration state changes, is adjusted corresponding state machine.According to the different login state of user, there is various states machine.Processing module is used for carrying out strategy judgement, according to the current state machine situation of user, upgrade and adjust, and relative users request is chosen as its service network for user.
Memory module function: mainly store the user profile such as four-tuple, when user opens an account, according to default conditions, preserve User Status quaternary group information, when the states such as user's registration and position renewal change, can call this module, carry out information update operation, upgrade after operation, need notice administration module in time.More new technological process as shown in Figure 4.
Administrative template function: the main maintenance customer's of administration module login state machine, can from user's memory module, obtain user profile, acquisition process can be initiatively access, also can adopt the mode of subscription, be that user storage information numbering will ask memory module immediately corresponding, thus the accuracy of maintenance state machine.State machine is safeguarded as shown in Figure 3.
Processing module function: mainly carry out strategy judgement and process, when receive from miscellaneous equipment (as VLR etc.) obtain route requests time (as SRI message, send routing info), according to the current state machine situation of user, carry out strategy and process, response user asks to be chosen as its service network for user.Handling process as shown in Figure 5.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in the determined protection range by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. the dynamic strategy update method based on timestamp, comprises the steps:
Step 1), calling subscriber A initiate a speech business to called subscriber B, send the caller MSC that IAM message is served to calling subscriber;
Step 2), described caller MSC receives after call request, according to the number of described called subscriber B, obtain GT routing iinformation, to the HLR/HSS query routing information at described called subscriber B place, described HLR/HSS receives after described query routing information, carries out judgement handling process:
If judgement user implementation strategy is to affect unsuccessfully, feed back corresponding message to described caller MSC/VLR;
If judgement user implementation strategy is to be routed to circuit domain, perform step 3 '), 4 ') and 5 ');
If judgement user implementation strategy is to be routed to IMS territory, perform step 3), 4) and 5);
Step 3 '), described called HLR/HSS initiates to get roaming number (MSRN) message to VLR under called, sends PRN, go called under MSC obtain called roaming number.Described called MS C returns to described caller MSC by roaming number by HLR;
Step 4 '), main described cry MSC according to roaming number transmission IAM message to described called MS C;
Step 5 '), described called MS C sends paging message to described called subscriber B, thereby completes normal call;
Step 3), described called HLR/HSS send IMS territory roaming number to described caller MSC/VLR;
Step 4), described caller MSC send IAM message and route to described IMS territory to GMSC/MGCF;
Step 5), described IMS territory are addressed to described called subscriber's B location information, and give described called subscriber B by invite message, thereby complete normal call.
2. the dynamic strategy update method based on timestamp as claimed in claim 1, wherein said step 2), the query routing information concrete steps of HLR/HSS are as follows:
2-1), upgrade login state and the corresponding timestamp of user in customer data base;
2-2), the inquiry and the adjustment that by state machine, change,, from last state, adjust to this next state;
2-3), by state machine is inquired about, call and select selection strategy corresponding under certain state of application.
3. the dynamic strategy update method based on timestamp as claimed in claim 2, wherein said step 2-1), user registration state and described timestamp form in HLR database are as follows:
Wherein, YY represents year, 4 of length; MM represents month, 2 of length; DD represents the date, 2 of length; Hh representative hour, 2 of length; Mm representative minute, 2 of length; Ss represents second, 2 of length.
4. the dynamic strategy update method based on timestamp as claimed in claim 2, wherein, described step 2-2), the four-tuple of state machine is:
User state machine has 5 kinds of state models, under different state models, to there being corresponding selection strategy, each user is in 5 kinds of state models under certain pattern, when user is after heterogeneous networks logs in, also can there is corresponding variation and adjust in this user's state model.
5. the dynamic strategy update method based on timestamp as claimed in claim 2, wherein, described step 2-1) upgrade login state and the corresponding timestamp of user in customer data base, if terminal in circuit domain, registration step is as follows:
1), UE sends location update message to MSC/VLR;
2), MSC/VLR sends location update message to HLR, initiation register flow path;
3), HLR upgrades hour of log-on stamp, and transfers tactful judgment mechanism, renewal user selection strategy.
6. the dynamic strategy update method based on timestamp as claimed in claim 2, wherein, described step 2-1) upgrade login state and the corresponding timestamp of user in customer data base, if terminal in IMS territory, registration step is as follows:
1), UE sends location update message to P/I/S-CSCF;
2), P/I/S-CSCF sends location update message to HSS, initiation register flow path;
3), HSS upgrades hour of log-on stamp, and transfers tactful judgment mechanism, renewal user selection strategy.
7. the dynamic strategy based on timestamp is updated the equipment, comprise memory module, administration module and processing module, described memory module is for storing the content four-tuple user profile of login state and time, described administration module is for the state machine of managing users registration state variation, described processing module is used for carrying out strategy judgement, described processing module is according to the described state machine situation of user profile described in the described memory module of speed and described administration module, upgrade adjustment, and for described user, be chosen as its service network according to described user's request.
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| CN105681158A (en) * | 2014-11-20 | 2016-06-15 | 中国移动通信集团公司 | Method, device and system for improving IP short message delivery accuracy |
| CN105681158B (en) * | 2014-11-20 | 2019-05-14 | 中国移动通信集团公司 | A kind of method, apparatus and system for improving IP short message and delivering accuracy |
| CN105704768A (en) * | 2016-03-11 | 2016-06-22 | 中国联合网络通信集团有限公司 | Processing method and apparatus for failed establishment of voice service |
| CN105704768B (en) * | 2016-03-11 | 2019-02-15 | 中国联合网络通信集团有限公司 | The processing method and processing device of failure is established in voice service |
| CN105847256A (en) * | 2016-03-25 | 2016-08-10 | 宇龙计算机通信科技(深圳)有限公司 | Calling access domain selection method, apparatus, IMS terminal and server for ownership contract signing |
| CN111107607A (en) * | 2018-10-29 | 2020-05-05 | 中国移动通信集团安徽有限公司 | Method for determining access domain and auxiliary method for determining access domain |
| CN112925844A (en) * | 2019-12-06 | 2021-06-08 | 华为技术有限公司 | Method and device for processing database |
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