CN101820674A - Method and system for logging off users - Google Patents
Method and system for logging off users Download PDFInfo
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- CN101820674A CN101820674A CN201010172764A CN201010172764A CN101820674A CN 101820674 A CN101820674 A CN 101820674A CN 201010172764 A CN201010172764 A CN 201010172764A CN 201010172764 A CN201010172764 A CN 201010172764A CN 101820674 A CN101820674 A CN 101820674A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
Abstract
The invention discloses a method and a system for logging off users, which are applied to IP multimedia subsystems. In the method, a service call session control function (S-CSCF) entity receives a notification message which comes from an application server (AS) for indicating a user to log off, wherein the notification message carries public user identifier; and the S-CSCF solves the notification message and logs off the users who correspond to the public user identification. According to the technical scheme provided by the invention, the problems that in the related technology, if the S-CSCF actively logs off the users, a plan of a third generation of cooperative partners cannot be fulfilled and the requirements of the cable operators based on operation, maintenance, and strategy cannot be met are solved, so the method and the system for logging off the users can meet the requirements of the operation, the maintenance, and the strategy of the cable operators, and improve the user experience.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and system of logging off users.
Background technology
IP Multimedia System (IP Multimedia subsystem, abbreviate IMS as) be third generation affiliate tissue (3rd Generation Partnership Project, abbreviate 3GPP as) standard of next generation network of definition, its distinguishing feature is to have adopted session initiation protocol (Session Initiation Protocol, abbreviate SIP as) system, communication is irrelevant with access, can possess multiple media business controlled function separates with bearing capacity, calling separates with session, application separates with service, business and network detach, and multiple abilities such as mobile network and internet service fusion.
The trend of communication network fusion development has been complied with in the proposition of IMS.Major function entity in the IMS system comprises: subscriber equipment (User Equipment, abbreviate UE as), proxy call conversation control function entity (Proxy call session control Function, abbreviate P-CSCF as), query call conversation control function entity (Interrogating call sessioncontrol Function, abbreviate I-CSCF as), service call session control function entity (Serving call session control Function, abbreviate S-CSCF as), home subscriber server (Home subscriber Server, abbreviate HSS as), and application server (Application Server, abbreviate AS as), the network architecture is as shown in Figure 1.
Public subscriber identification (Public User Identity, abbreviate PUI as) be the user ID that the user communicates by letter in the IMS network, an IMS public subscriber identification is if carry out session, need at first register, the process of registration is exactly that the position of oneself is registered on network, after success was registered, P-CSCF, S-CSCF, AS, HSS were last can preserve relevant user data, so that the session use.Subscribe to (Subscribe)/notice (Notify) mechanism, make network entity can subscribe to certain resource information, when resource information changes, be responsible for the network entity of resource and can notify the subscriber.After succeeding in registration, the subscription that UE, P-CSCF, AS can set up user registration state to S-CSCF, after user registration state changed like this, S-CSCF can guarantee the consistency of whole network data by the Notify message informing to P-CSCF, UE, AS.
In correlation technique, the subscribing relation of setting up between UE, P-CSCF, AS and the S-CSCF, when user's login state changed, S-CSCF can initiatively send the Notify notification message, notice UE, P-CSCF, AS.Thereby guarantee the unanimity of the whole network data of UE, P-CSCF, S-CSCF, HSS, AS.
In IMS network prior art, need (as situations such as blacklist, arrearage, free call on somebody else's expense through illegal means, user managements) for operator's O﹠M, S-CSCF is logging off users initiatively.S-CSCF active logging off users process may further comprise the steps as shown in Figure 2 in the IMS system at present:
Step S202, S-CSCF are according to local policy or O﹠M needs, and certain IMS user is initiatively nullified in decision;
Step S204, based on the subscribing mechanism of having set up, S-CSCF sends the notify request to P-CSCF, and this request is used for S-CSCF notice UE deregistration user, in the request message, carries user's public subscriber identification;
Step S206, P-CSCF transmits notify and asks UE;
After step S208, UE finish and nullify logic, send notify request responding message to P-CSCF, as 200OK;
Step S210, P-CSCF transmit the response message of notify to S-CSCF;
Step S212, based on the subscribing mechanism of having set up, S-CSCF sends the notify request to P-CSCF, and this request is used for S-CSCF notice P-CSCF logging off users, in the request message, carries user's public subscriber identification;
Step S214 after P-CSCF finishes processing logic, sends notify request responding message to S-CSCF, as 200OK;
Step S216, S-CSCF send to HSS and upgrade user's request (ServerAssignment Request abbreviates SAR as), carry user's public subscriber identification in the request message, notice HSS logging off users;
Step S218, HSS send renewal user's response (Server Assignment Answer abbreviates SAA as) to S-CSCF after finishing and nullifying logic;
Step S220, based on the subscribing mechanism of having set up, S-CSCF sends the notify request to AS, and this request is used for S-CSCF notice AS logging off users, in the request message, carries user's public subscriber identification;
Step S222 after AS finishes processing logic, sends notify request responding message to S-CSCF, as 200OK;
In the above-mentioned flow process, when S-CSCF active logging off users, can guarantee the unanimity of the whole network data of UE, P-CSCF, S-CSCF, HSS, AS.Yet the inventor finds, S-CSCF initiatively logging off users can not satisfy third generation partner program (3rd GenerationPartnership Project, abbreviate 3GPP as) and operator based on O﹠M and the strategy needs, for example, user management, service management etc.
Summary of the invention
At S-CSCF in the correlation technique initiatively logging off users can not satisfy third generation partner program and operator problem based on the needs of O﹠M and strategy, main purpose of the present invention is to provide a kind of method of logging off users, one of to address the above problem at least.
A kind of method of logging off users is provided according to an aspect of the present invention.
Method according to logging off users of the present invention comprises: service call S-CSCF receives the notification message of the indication logging off users that comes from AS, and wherein, notification message carries public subscriber identification; S-CSCF resolves notification message and nullifies the user of public subscriber identification correspondence.
A kind of system of logging off users is provided according to an aspect of the present invention.
System according to logging off users of the present invention comprises: AS, be used for sending the notification message of indicating logging off users to service call S-CSCF, and wherein, notification message carries public subscriber identification; S-CSCF is used to the user who resolves notification message and nullify the public subscriber identification correspondence.
By the present invention, AS initiatively constructs and sends a notification message to S-CSCF, finish the operation of logging off users by S-CSCF, solved S-CSCF in the correlation technique initiatively logging off users can not satisfy third generation partner program and operator problem based on the needs of O﹠M and strategy, and then can satisfy operator's O﹠M and tactful needs, improve user experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the IMS network architecture schematic diagram according to correlation technique;
Fig. 2 is the flow chart according to the IP Multimedia System S-CSCF active logging off users of correlation technique;
Fig. 3 is the flow chart according to the method for the logging off users of the embodiment of the invention;
Fig. 4 is the flow chart according to the method for the logging off users of the preferred embodiment of the present invention one;
Fig. 5 is the flow chart according to the method for the logging off users of the preferred embodiment of the present invention two;
Fig. 6 is the structured flowchart according to the system of the logging off users of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
In the IMS network, S-CSCF is logging off users initiatively, but is based on the demand of the O﹠M and the strategy of operator, wishes initiatively logging off users of AS, below in conjunction with Fig. 3 the technical scheme of AS active logging off users is described.
Fig. 3 is the flow chart according to the method for the logging off users of the embodiment of the invention.As shown in Figure 3, the method according to the logging off users of the embodiment of the invention comprises following processing:
Step S302:S-CSCF receives the notification message of the indication logging off users that comes from AS, and wherein, this notification message carries public subscriber identification;
Step S304:S-CSCF resolves notification message and nullifies the user of public subscriber identification correspondence.
Adopt said method, the notification message of AS structure indication logging off users, S-CSCF receives and resolves this notification message, carries out the operation of logging off users.Flow process that can compatible existing S-CSCF logging off users realizes the initiatively purpose of logging off users of AS, improves user experience.
Preferably, before S-CSCF receives above-mentioned notification message, can also comprise that following processing: AS determines initiatively logging off users of needs, structure notification message according to local policy and/or operation demand.
Adopt above-mentioned processing, can satisfy the demand (AS is the demand of logging off users initiatively) of operator's O﹠M and strategy, improve user experience.
In preferred implementation process, above-mentioned local policy can be according to different operator's needs, and static state or dynamic-configuration, O﹠M demand can be following at least a business demands: blacklist, arrearage, basic service failure etc.
Preferably, among the step S302, AS structure notification message can comprise that following processing: AS carries the initiatively indication information of logging off users of AS by spreading parameter in a SIP field or the existing field in notification message.
Preferably, in step S304, S-CSCF resolves notification message can comprise that following processing: S-CSCF obtains public subscriber identification and above-mentioned indication information from notification message.
Construct the processing of above-mentioned notification message by AS, and S-CSCF resolves the processing of above-mentioned notification message, can effectively realize the initiatively purpose of logging off users of AS, improve user experience.And method is simple, easily realizes.
Preferably, before execution in step S302, can also comprise following processing:
(1) S-CSCF judges the legitimacy of notification message;
(2) if notification message is legal, S-CSCF determines to nullify the user of above-mentioned public subscriber identification correspondence.
In preferred implementation process, S-CSCF can pass through technology such as Security Association, trust domain, according to AS sign of carrying in the notification message or IP address information etc., judges the legitimacy of above-mentioned notification message, and legal notification message is carried out the logging off users operation.
By above-mentioned processing, can strengthen the fail safe of network, prevent that the cancellation of malice from attacking.Guarantee legal notice of cancellation is carried out the corresponding operation of nullifying.
Preferably, it is one of following that notification message includes but not limited to: login request message, and subscription request message, this notification message can also be based on other message of Session Initiation Protocol.Below in conjunction with Fig. 4 (notification message is a login request message) and Fig. 5 (notification message is a subscription request message) above-mentioned preferred implementation process is described respectively.
Fig. 4 is the flow chart according to the method for the logging off users of the preferred embodiment of the present invention one.As shown in Figure 4, AS structure registration (Register) request message, wherein, carry public subscriber identification (promptly showing the user that needs are nullified) in this message, and AS logging off users indication, S-CSCF carries out the logging off users operation after judging indication and obtaining relevant information, and this method mainly comprises following processing:
Step S402:AS is according to the operation management needs, and IMS user is initiatively nullified in decision;
Public subscriber identification information is carried in step S404:AS structure Register request in the notification message, Expires equals 0 simultaneously, adopts Session Initiation Protocol extended field or spreading parameter to carry AS in addition and initiatively nullifies indication, as Event:asdereg.After the AS structure notice of cancellation message, send to S-CSCF;
Step S406:S-CSCF receives the AS request message, judges the legitimacy of notification message by prior art, and by extended field or spreading parameter in the message, parses initiatively logging off users indication of AS, prepares to carry out the logging off users operation;
Step S408:S-CSCF sends the success response of notice of cancellation request message to AS;
Step S410: based on the subscribing mechanism of having set up, S-CSCF sends the notify request to P-CSCF, and this request is used for S-CSCF notice UE deregistration user, in the request message, carries user's public subscriber identification;
Step S412:P-CSCF transmits notify and asks UE;
After step S414:UE finishes and nullifies logic, send notify request responding message to P-CSCF, as 200OK;
Step S416:P-CSCF transmits the response message of notify to S-CSCF;
Step S418: based on the subscribing mechanism of having set up, S-CSCF sends the notify request to P-CSCF, and this request is used for S-CSCF notice P-CSCF logging off users, in the request message, carries user's public subscriber identification;
After step S420:P-CSCF finishes processing logic, send notify request responding message to S-CSCF, as 200OK;
Step S422:S-CSCF sends to HSS and upgrades user's request (ServerAssignment Request abbreviates SAR as), carries user's public subscriber identification in the request message, notice HSS logging off users;
Step S424:HSS sends renewal user's response (Server Assignment Answer abbreviates SAA as) to S-CSCF after finishing and nullifying logic.
Fig. 5 is the flow chart according to the method for the logging off users of the preferred embodiment of the present invention two.As shown in Figure 5, the AS structure is subscribed to (subscribe) request message, carries public subscriber identification in this message, and the indication of AS logging off users, and S-CSCF carries out the logging off users operation after judging indication and obtaining relevant information.This method mainly comprises following processing:
Step S502:AS is according to the operation management needs, and IMS user is initiatively nullified in decision;
Public subscriber identification information is carried in step S504:AS structure subscribe request in the notification message, Expires equals 0 simultaneously, adopts Session Initiation Protocol extended field or spreading parameter to carry AS in addition and initiatively nullifies indication, as Event:asdereg.After the AS structure notice of cancellation message, send to S-CSCF;
Step S506:S-CSCF receives the AS request message, judges the legitimacy of notification message by prior art, and by extended field or spreading parameter in the message, parses initiatively logging off users indication of AS, prepares to carry out the logging off users operation;
Step S508:S-CSCF sends the success response of notice of cancellation request message to AS;
Step S510: based on the subscribing mechanism of having set up, S-CSCF sends the notify request to P-CSCF, and this request is used for S-CSCF notice UE deregistration user, in the request message, carries user's public subscriber identification;
Step S512:P-CSCF transmits notify and asks UE;
After step S514:UE finishes and nullifies logic, send notify request responding message to P-CSCF, as 200OK;
Step S516:P-CSCF transmits the response message of notify to S-CSCF;
Step S518: based on the subscribing mechanism of having set up, S-CSCF sends the notify request to P-CSCF, and this request is used for S-CSCF notice P-CSCF logging off users, in the request message, carries user's public subscriber identification;
After step S520:P-CSCF finishes processing logic, send notify request responding message to S-CSCF, as 200OK;
Step S522:S-CSCF sends to HSS and upgrades user's request (ServerAssignment Request abbreviates SAR as), carries user's public subscriber identification in the request message, notice HSS logging off users;
Step S524:HSS sends renewal user's response (Server Assignment Answer abbreviates SAA as) to S-CSCF after finishing and nullifying logic.
Fig. 6 is the structured flowchart according to the system of the logging off users of the embodiment of the invention.Said system is applied to IP Multimedia System, and as shown in Figure 6, said system comprises: application server (AS) 10, be used for sending the notification message of indicating logging off users to S-CSCF, and wherein, notification message carries public subscriber identification; S-CSCF 12, the user who is used to resolve this notification message and nullifies above-mentioned public subscriber identification correspondence.
In said system, the notification message of AS 10 structure indication logging off users, S-CSCF12 receives and resolves this notification message, carries out the operation of logging off users.Flow process that can compatible existing S-CSCF logging off users realizes the initiatively purpose of logging off users of AS, improves user experience.
Preferably, AS 10, also are used for determining initiatively logging off users of needs according to local policy and/or operation demand, construct described notification message.Adopt above-mentioned processing, can satisfy the demand (AS is the demand of logging off users initiatively) of operator's O﹠M and strategy, improve user experience.
Preferably, AS 10, also be used for notification message by a SIP field or a field in spreading parameter carry the initiatively indication information of logging off users of AS.
Preferably, S-CSCF 12, also are used for obtaining public subscriber identification and above-mentioned indication information from notification message.
Preferably, S-CSCF 12, also are used to judge the legitimacy of notification message, determine to nullify the user of above-mentioned public subscriber identification correspondence under the legal situation of notification message.
In the system of above-mentioned logging off users, the preferred working method that AS 10 and S-CSCF 12 mutually combine can repeat no more referring to the description among Fig. 3 to Fig. 5 herein.
In sum, the technique scheme that provides by the embodiment of the invention, the notice of cancellation message of AS structure logging off users, carry the indication information of public subscriber identification and AS logging off users in this message, S-CSCF resolves this message, the operation of execution logging off users guarantees between UE, P-CSCF, S-CSCF, the AS consistency of whole network data.Can satisfy the demand (AS is the demand of logging off users initiatively) of operator's O﹠M and strategy, improve user experience.And this method is simple, effective, can the compatible flow process that has the S-CSCF logging off users now.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the method for a logging off users is applied to IP Multimedia System, it is characterized in that, comprising:
Service call session control function entity S-CSCF receives the notification message of the indication logging off users that comes from application server AS, and wherein, described notification message carries public subscriber identification;
Described S-CSCF resolves described notification message and nullifies the user of described public subscriber identification correspondence.
2. method according to claim 1 is characterized in that, before described S-CSCF receives described notification message, also comprises:
Described AS determines that according to local policy and/or operation demand needs initiatively nullify described user;
Described AS constructs described notification message.
3. method according to claim 2 is characterized in that, described AS constructs described notification message and comprises:
Described AS carries the initiatively indication information of logging off users of described AS by spreading parameter in a session initiation protocol SIP field or the field in described notification message.
4. method according to claim 3 is characterized in that, described S-CSCF resolves described notification message and comprises:
Described S-CSCF obtains described public subscriber identification and described indication information from described notification message.
5. method according to claim 1 is characterized in that, described S-CSCF nullifies before the user of described public subscriber identification correspondence, also comprises:
Described S-CSCF judges the legitimacy of described notification message;
If described notification message is legal, then described S-CSCF determines to nullify the user of described public subscriber identification correspondence.
6. according to each described method in the claim 1 to 5, it is characterized in that it is one of following that described notification message comprises: login request message, subscription request message.
7. the system of a logging off users is applied to IP Multimedia System, it is characterized in that, comprising:
Application server AS is used for sending the notification message of indicating logging off users to service call session control function entity S-CSCF, and wherein, described notification message carries public subscriber identification;
Described S-CSCF, the user who is used to resolve described notification message and nullifies described public subscriber identification correspondence.
8. system according to claim 7 is characterized in that,
Described AS also is used for determining that according to local policy and/or operation demand needs initiatively nullify described user, constructs described notification message.
9. system according to claim 8 is characterized in that,
Described AS, also be used for described notification message by a session initiation protocol SIP field or a field in spreading parameter carry the initiatively indication information of logging off users of described AS.
10. system according to claim 9 is characterized in that,
Described S-CSCF also is used for obtaining described public subscriber identification and described indication information from described notification message.
11., it is characterized in that described S-CSCF also is used to judge the legitimacy of described notification message according to each described system in the claim 7 to 10, under the legal situation of described notification message, determine to nullify the user of described public subscriber identification correspondence.
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| CN201010172764A CN101820674A (en) | 2010-05-10 | 2010-05-10 | Method and system for logging off users |
| PCT/CN2011/072880 WO2011140883A1 (en) | 2010-05-10 | 2011-04-15 | Method and system for logging off users |
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| CN201010172764A CN101820674A (en) | 2010-05-10 | 2010-05-10 | Method and system for logging off users |
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| CN105307144A (en) * | 2014-07-21 | 2016-02-03 | 中国移动通信集团公司 | Registration method, method of calling, application server and network domain devices |
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| WO2011140883A1 (en) | 2011-11-17 |
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Application publication date: 20100901 |