CN102752273B - The method and system of the shared Sh interface service identification of many application servers, HSS - Google Patents
The method and system of the shared Sh interface service identification of many application servers, HSS Download PDFInfo
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Abstract
The invention discloses a kind of method of the shared Sh interface service identification of many application servers, methods described includes：After user attaching server HSS receives the business instruction Service Indication subscription requests of application server AS, store the Service Indication and subscribe to request, and when there is the Service Indication information ordered by the AS, the Service Indication information ordered by which is sent to the AS.The present invention discloses the system and user attaching server of a kind of shared Sh interface service identification of many application servers for realizing said method.To the consistent of ordered Service Indication information in multiple AS that shared Sh interface can be kept of the invention, the concordance of business in AS is realized well, the service quality of system is improved.
Description
Technical field
The present invention relates to a kind of skill of multiple application servers (AS, Application Server) shared service mark
Many application services in art, more particularly to a kind of internet protocol multimedia subsystem (IMS, IP Multimedia Subsystem)
The method and system of the shared Sh interface service identification of device, and home subscriber server (HSS, Home Subscriber
Server)。
Background technology
Internet protocol multimedia subsystem (IMS, IP Multimedia Subsystem) is sending out for Future Multimedia communication
The Main way of exhibition, and the of paramount importance ingredient of next generation network.IMS be third generation partner program (3GPP,
The Third Generation Partnership Project) subsystem of support IP multimedia service that proposes, which shows
Work is characterized in that session initiation protocol (SIP, the Session Initial Protocol) system that employs, communication and access way without
Close, can possess various multimedia service control functions and separate with bearing capacity, call to separate with session, apply and service and divide
Separate with network from, business, and the multi abilities such as mobile network and internet service fusion.
IMS mainly includes following functions network element and interface：
CSCF (CSCF, Call Session Control Function), mainly to session process
Control, which is divided into three different entities：P-CSCF(Proxy-CSCF)、I-CSCF(Interrogating-CSCF)、S-CSCF
(Serving-CSCF).P-CSCF is first contact point of user in IMS network, is mainly responsible for checking request, processes and turns
Make sound and should wait.P-CSCF serves safety management and the effect of hiding access network difference.In R5 (Release5), P-CSCF
Also entity (PDF, Policy Decision is supported including a functional entity-strategy for being used for resource authorization and management
Function).I-CSCF is the interface in multiple IMS network domains, is responsible for the inquiry of user profile and the lookup of user S-CSCF.
I-CSCF is used to hide network internal topological structure, while also acting as the effect of load balancing and flow-control.S-CSCF is in IMS
In be in core the driver's seat, be the key point of IMS multiple process controls.Which is responsible for recording and controlling consumer process state, holds
Routing function is talked about by guild, and constantly interacts with application service and billing function, carries out value-added service route according to rule and touches
Send out and Service control.
Multimedia Resource Function (MRF, Multimedia Resource Function) including control section (MRFC) and
The process part (MRFP) of user plane, is that support is provided to the business service related to carrying, such as video conference, user's bulletin
Deng the mixing of data medium stream, the distribution of Media Stream, the conversion for carrying code, transmission of charge information etc. can be completed.
IMS WMGs (IMS-MGW, IMS-Media Gateway) and MGCF (MGCF, Media
Gateway Control Function) it is between IMS and legacy circuit-switched (CS, Circuit Switching) network
Between gateway, such as IMS and PSTN (PSTN, Public Switched Telephone Network) so that
The user of two networks can be communicated.The signaling of CS networks mutually can be changed by it with SIP signalings, and can report
Charge information.
Egress gateways control work((BGCF, Breakout Gateway Control Function) and and traditional C/S net
The related functional entity of network, is to control gateway to complete Signalling conversion, is responsible for selecting calling by which MGCF arrival CS network.
But if selecting another network as the path of calling, then session is forwarded to the BGCF of that network.
Home subscriber server (HSS, Home Subscriber Server), IMS introduce HSS functional entitys, and will
Which is positioned at centralized stores user service data in following 3G network.HSS is responsible for fixed, mobile wide and narrow strip all kinds and accesses use
The management service of the subscription data at family, supports IMS service access authentications, roam registration, Mobile terminating call routing addressing function, in addition
HSS can also be the information needed for I-CSCF offer selection S-CSCF, and offer subscription data support is interacted with AS.It is stored in HSS
In data mainly include user identity, log-on message, access parameter and service triggering information.
Application server (AS, Application Server) is functional entity of the framework on IMS, can be made full use of
The miscellaneous service function that IMS is provided, such as Call- Control1, account management, charging etc..Which mainly externally provides value added multimedia clothes
Business.AS based on IMS can provide the function of many uniquenesses, such as presence, message and conference service etc..It is open due to having
Interface, therefore AS can be provided by operator, it is also possible to provided by third party.
Sh interface, is defined by 3GPP 29.328, is the interface of exchange data information between AS and HSS, the signaling association for using
Discuss as DIAMETER agreements.The associative operation of Sh interface, comprising：Data read (Sh-Pull), Data Update (Sh-
Update), Subscription to notifications (Sh-Subs-Notif), Notifications (Sh-Notif)
Deng.
Repository Data are stored on HSS by AS as transparent data.Repository Data include business mark
Knowledge information (Service-Indication), and allow to share between multiple AS.
But, 3GPP is not comprehensive for the definition that many AS shared services are identified, under concrete scene, it will there is operation
Problem in terms of maintenance.
Fig. 1 is the structural representation of the IMS systems in the case of many AS shared services configured informations, as shown in figure 1, three in figure
The information indicated using a specified services is shared on individual AS, when AS1 uploads what shared service was specified by Sh-Update
After information, user's registration, then to three AS transmission third-party registration requests, three AS pass through Sh-Pull to HSS to CSCF respectively
User data being downloaded, the information that shared business is specified being included in the data of three AS downloads, then three AS lead to respectively
Cross Sh-Subs-Notif the change that the shared service indicates specify information is subscribed to HSS；When AS1 is have modified by Sh-Update
During the information that the shared service is specified (or in third-party registration, three AS directly by Sh-Subs-Notif to
HSS downloads and subscribes to the information that shared service is specified), HSS can send Notification of Changes to AS2 and AS3 by Sh-Notif；
When AS1 deletes the information that shared service is specified by Sh-Update, HSS is deleting the information that shared service is specified
Afterwards, HSS can send Notification of Changes to AS2 and AS3 by Sh-Notif, indicate that AS2 and AS3 deletes what shared service was specified
Information, then HSS can delete the subscription information of AS1, AS2, AS3 to shared service knowledge on HSS；When AS1 is again by Sh-
Update uploads the information specified of shared service to after HSS, due to not having the subscription of AS2 and AS3 on HSS to believe on HSS
Breath, AS2 and AS3 would not receive the Sh-Notif of HSS, and AS2 and AS3 do not receive Notification of Changes, it is impossible to perceive shared service
The change of the information specified, actually AS2 and AS3 remain a need for perceiving the information that shared service is specified, and now this is common
Enjoy the Service-Indication that business instruction is exactly " potential ".
Fig. 2 is the structural representation of the IMS systems in the case of AS Pool networkings, as shown in Fig. 2 in AS Pool networkings
In the case of, and docked by multiple AS and HSS, all of user data by the AS of a pair disaster tolerances each other come open-minded, its
His AS is only responsible for realizing specific business, does not open user data, for the user data that HSS cannot be stored, be stored in for
On the AS for activating the service, under this networking model, BOSS activates the service after the information specified, and user is noted on AS3 and AS4
Volume, AS3 and AS4 have downloaded the information that business is specified respectively, and have subscribed the change of correlation；When BOSS deletes business again
Afterwards, HSS notifies that AS deletes business, then deletes the subscription that each AS is specified for business on HSS；With many AS situations classes
Seemingly, after BOSS increases the information that business is specified again, as on HSS, no AS3 and AS4 is ordered to the business instruction
Read, HSS is not notified that the change of AS3 and AS4 business, then AS3 or AS4 cannot just realize that the business indicates corresponding business
.
The situation of AS Pool networkings, the situation that a business shared with many AS is indicated are similar, and a shared business refers to
Show, the information that shared service is specified can be changed by multiple AS with many AS in difference, but in AS Pool networking situations
Under, only specific AS can change the information that shared service is specified.
The content of the invention
In view of this, present invention is primarily targeted at providing a kind of shared Sh interface service identification of many application servers
Method and system, and home subscriber server, can guarantee that multiple AS of shared Sh interface realize the shared of interface business mark.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of method of the shared Sh interface service identification of many application servers, including：
After HSS receives the Service-Indication subscription requests of AS, store the Service-Indication and order
Request is read, and when there is the Service-Indication information ordered by the AS, is sent ordered by which to the AS
Service-Indication information.
Preferably, when there is the Service-Indication information ordered by the AS, send ordered by which to the AS
The Service-Indication information read, be：
When the HSS has opened the business that the Service-Indication is indicated in other AS, by acquired institute
State Service-Indication information to notify to all AS that have sent the Service-Indication information subscribings request.
Preferably, methods described also includes：
During the business change that the Service-Indication of other AS is indicated, the HSS will be acquired
Service-Indication information after change is notified to have sent Service-Indication information subscribings request
All AS.
Preferably, methods described also includes：
After described other AS delete the business that the Service-Indication is indicated, the HSS notifies to have sent institute
The AS for stating the request of Service-Indication information subscribings deletes the Service-Indication information, and deletion have sent
Subscribing relationships of the AS of the Service-Indication information subscribings request to the Service-Indication.
Preferably, methods described also includes：
After described other AS delete the business that the Service-Indication is indicated, the HSS notifies to have sent institute
Service-Indication information change described in the AS of Service-Indication information subscribings request is stated, transmission is not deleted
Subscribing relationships of the AS of the Service-Indication information subscribings request to the Service-Indication.
Preferably, methods described also includes：
HSS receives AS and deleted Service-Indication is subscribed to after request, stores the Service-
Indication subscribes to request, and when there is the Service-Indication information ordered by the AS, sends to the AS
Service-Indication information ordered by which.
Preferably, methods described also includes：
The HSS is received described in the cancellation of the AS that have sent the Service-Indication information subscribings request
After the subscription request of Service-Indication information, deletion have sent the cancellation Service-Indication letters
Subscribing relationships of the AS of the subscription request of breath to the Service-Indication.
A kind of system of the shared Sh interface service identification of many application servers, including HSS and plural AS；Described two
Pass through Sh interface exchange data information between individual above AS and HSS；Wherein,
AS, subscribes to request for sending Service-Indication to HSS；
HSS, after subscribing to request in the Service-Indication for receiving AS, stores the Service-
Indication subscribes to request, and when there is the Service-Indication information ordered by the AS, sends to the AS
Service-Indication information ordered by which.
Preferably, HSS, is further used for, and has opened the business that the Service-Indication is indicated in other AS
When, the acquired Service-Indication information is notified to order to have sent the Service-Indication information
Read all AS of request.
Preferably, HSS, is further used for, in the business that the Service-Indication of other AS is indicated
During change, the Service-Indication information after acquired change is notified to have sent the Service-
All AS of Indication information subscribings request.
Preferably, HSS, is further used for, and deletes the industry that the Service-Indication is indicated in described other AS
After business, notice have sent the AS of the Service-Indication information subscribings request and delete the Service-Indication
Information, and the AS that have sent the Service-Indication information subscribings request is deleted to the Service-Indication
Subscribing relationship.
Preferably, HSS, is further used for, after the business that other AS delete that the Service-Indication is indicated,
Notice have sent Service-Indication information described in the AS that the Service-Indication information subscribings are asked and become
More, the AS that have sent the Service-Indication information subscribings request is not deleted to the Service-Indication's
Subscribing relationship.
Preferably, HSS, is further used for, receive have sent the Service-Indication information subscribings please
After the subscription request of the cancellation Service-Indication information of the AS for asking, deletion is have sent described in the cancellation
Subscribing relationships of the AS of the subscription request of Service-Indication information to the Service-Indication.
A kind of user attaching server, including receiving unit, memory element, acquiring unit and transmitting element, wherein：
Receiving unit, the Service-Indication for receiving AS subscribe to request；
Memory element, subscribes to request for storing the Service-Indication that the receiving unit is received；
Acquiring unit, for obtaining the Service-Indication information ordered by the AS；
Transmitting element, for the Service-Indication information ordered by which is sent to the AS.
Preferably, the acquiring unit is further used for, and has opened the Service-Indication in other AS and has referred to
During the business shown, the Service-Indication information is obtained.
Preferably, the acquiring unit is further used for, and refers in the Service-Indication of other AS
During the business change shown, the Service-Indication information after change is obtained；
Service-Indication information after the change is further sent to and have sent institute by the transmitting element
State all AS of Service-Indication information subscribings request.
Preferably, the user attaching server also includes notification unit and deletes unit；Wherein,
Notification unit, for, after described other AS delete the Service-Indication information, notifying have sent
The AS of the Service-Indication information subscribings request deletes the Service-Indication information；
Unit is deleted, for the AS that have sent the Service-Indication information subscribings request being deleted to this
The subscribing relationship of Service-Indication.
Preferably, the user attaching server also includes notification unit and deletes unit；Wherein,
Notification unit, for after the business that other AS delete that the Service-Indication is indicated, notifying to send
Service-Indication information change described in the AS of the Service-Indication information subscribings request；
Unit is deleted, for the AS that have sent the Service-Indication information subscribings request not being deleted to this
The subscribing relationship of Service-Indication.
In the present invention, HSS receives the business instruction (Service- that multiple AS of shared Sh interface send
Indication, after subscription request), whether no matter currently there is the Service-Indication information of the subscription, stores
The subscription request of the Service-Indication, and the business that the Service-Indication is indicated is opened in other AS
When, the Service-Indication information is obtained, and notifies all AS that have subscribed Service-Indication information.This
Invention realizes multiple AS of shared Sh interface and Service-Indication information is shared, and is not result in Service-
After the change of Indication information, it is impossible to calculate the AS for notifying to have subscribed the Service-Indication information.Energy of the present invention
To the consistent of ordered Service-Indication information in multiple AS of the shared Sh interface of holding, AS is realized well
The concordance of middle business, improves the service quality of system.
Description of the drawings
Fig. 1 is the structural representation of the IMS systems in the case of many AS shared services configured informations；
Fig. 2 is the structural representation of the IMS systems in the case of AS Pool networkings；
Fig. 3 is the flow chart of the method for the shared Sh interface service identification of many application servers of the invention；
Fig. 4 is the composition structural representation of home subscriber server of the present invention.
Specific embodiment
The present invention basic thought be：HSS receives the business instruction (Service- that multiple AS of shared Sh interface send
Indication, after subscription request), whether no matter currently there is the Service-Indication information of the subscription, stores
The subscription request of the Service-Indication, and the business that the Service-Indication is indicated is opened in other AS
When, the Service-Indication information is obtained, and notifies all AS that have subscribed Service-Indication information.
It is to make the object, technical solutions and advantages of the present invention become more apparent, by the following examples and referring to the drawings, right
The present invention is further described.
Fig. 3 is the flow chart of the method for the shared Sh interface service identification of many application servers of the invention, as shown in figure 3, this
The method of the shared Sh interface service identification of many application servers of example specifically includes following steps：
Step 301, AS1 receive the request that activates the service of BOSS, and AS1 opens the business that specified shared service is specified；
Business configured information is sent to HSS by Sh-Update by step 302, AS1；
Step 303, HSS are returned to AS1 by Sh-Update Resp and update service response；
Step 304, AS1 return the response for activating the service to BOSS；
Step 305, AS2 receive the third-party registration request that CSCF is transmitted across；
Step 306, AS2 are subscribed to HSS by Sh-Subs-Notif and download user data and (indicated comprising shared service
Information)；
Step 307, HSS return subscription response and user data to AS2 by Sh-Subs-Notif Resp；
Step 308, AS2 return third-party registration response to CSCF；
Step 309, AS1 receive the request of the deletion shared service configured information of BOSS；
Step 310, AS1 indicate to delete the information that shared service is indicated to HSS by Sh-Update；
Step 311, HSS return the response for deleting shared service configured information by Sh-Update Resp to AS1；
Step 312, AS1 return the response for deleting shared service configured information to BOSS；
Step 313, HSS send shared service configured information change to AS2 by Sh-Notif after execution of step 11
Notice；
Step 314, AS2 delete the information that shared service is indicated, and return response to HSS by Sh-Notif Resp；
Step 315, HSS delete the subscribing relationship that each AS of storage is indicated to deleted shared service；
Step 316, AS2 are initiated to subscribe to by Sh-Subs-Notif again, subscribe to deleted shared service to HSS and refer to
The subscription shown, and indicate be shared model subscription；
Step 317, HSS indicate for shared service, set up subscribing relationship, and pass through Sh-Subs-NotifResp to AS2
Return is subscribed to successfully；
Step 318, AS1 receive the request for increasing shared service instruction specify information of BOSS；
Step 319, AS2 update information that shared service specify to HSS by Sh-Update；
Step 320, the information Store that AS1 is updated by HSS, and renewal response is sent to AS1 by Sh-Update Resp；
Step 321, AS1 is returned to BOSS increases shared service instruction response；
Step 322, HSS after execution of step 320 send shared service to AS2 by Sh-Notif and indicate to specify letter
The notice of breath change；
Step 323, AS2 receive Notification of Changes, after making corresponding change, are returned to HSS by Sh-Notif Resp and are become
More respond.
The present invention has also stated that another kind of implementation of the method for the shared Sh interface service identification of many application servers, tool
Body, the method for the shared Sh interface service identification of many application servers of this example is substantially similar with the flow process shown in Fig. 3, its area
The step of being not comprising shown in Fig. 3 315, step 316 and step 317.Here repeat no more its concrete steps.
In addition, as a kind of implementation (still by taking the application scenarios shown in Fig. 3 as an example), deleting Service- in AS1
After Indication information, HSS notifies Service-Indication information change described in AS2, does not delete AS2 to this
The subscribing relationship of Service-Indication.That is, after AS1 deletes Service-Indication information, still
Retain subscription of the AS2 to the Service-Indication information to ask.It will be appreciated by those skilled in the art that combining aforementioned
The associated description of Fig. 3, the manner are easily to realize.
The system that the present invention has also stated that a kind of shared Sh interface service identification of many application servers, system include HSS and
Plural AS；Pass through Sh interface exchange data information between described two above AS and HSS；Those skilled in the art should
Understand, the system of the shared Sh interface service identification of many application servers of the present invention has no to the structure of existing communication system and changes
Enter, but only the function of related network elements therein is improved；For example, it is referred to IMS systems knot of the prior art
Structure and understand the structure of the system of the shared Sh interface service identification of many application servers of the present invention, as shown in reference to Fig. 1, Fig. 2
Structure.Specifically, by the present invention relates to the correlation function of related network elements be described in detail.Wherein,
AS, subscribes to request for sending Service-Indication to HSS；
HSS, after subscribing to request in the Service-Indication for receiving AS, stores the Service-
Indication subscribes to request, and when there is the Service-Indication information ordered by the AS, sends to the AS
Service-Indication information ordered by which.
HSS, is further used for, when other AS have opened the business that the Service-Indication is indicated, by institute
The Service-Indication information for obtaining notifies to ask to have sent the Service-Indication information subscribings
All AS.
HSS, is further used for, in the business change that the Service-Indication of other AS is indicated,
Service-Indication information after acquired change is notified to have sent Service-Indication letter
Breath subscribes to all AS of request.
HSS, is further used for, and after described other AS delete the business that the Service-Indication is indicated, leads to
Know that the AS that have sent the Service-Indication information subscribings request deletes the Service-Indication information, and
Deletion have sent subscription of the AS of the Service-Indication information subscribings request to the Service-Indication
Relation.
HSS, is further used for, and after the business that other AS delete that the Service-Indication is indicated, notifies to send out
Service-Indication information change described in having sent the AS of the Service-Indication information subscribings request, does not delete
Close except have sent subscription of the AS of the Service-Indication information subscribings request to the Service-Indication
System.
HSS, is further used for, and is receiving the AS's that have sent Service-Indication information subscribings request
After cancelling the subscription request of the Service-Indication information, deletion have sent the cancellation Service-
Subscribing relationships of the AS of the subscription request of Indication information to the Service-Indication.
Fig. 4 is the composition structural representation of home subscriber server of the present invention, as shown in figure 4, home subscriber of the present invention clothes
Business device includes receiving unit 40, memory element 41, acquiring unit 42 and transmitting element 43, wherein：
Receiving unit 40, the Service-Indication for receiving AS subscribe to request；
Memory element 41, subscribes to request for storing the Service-Indication that the receiving unit is received；
Acquiring unit 42, for obtaining the Service-Indication information ordered by the AS；
Transmitting element 43, for the Service-Indication information ordered by which is sent to the AS.
Above-mentioned acquiring unit 42 is further used for, and has opened the industry that the Service-Indication is indicated in other AS
During business, the Service-Indication information is obtained.
Above-mentioned acquiring unit 42 is further used for, in the industry that the Service-Indication of other AS is indicated
During business change, the Service-Indication information after change is obtained；
Service-Indication information after the change is further sent to and be have sent by above-mentioned transmitting element 43
All AS of the Service-Indication information subscribings request.
On the basis of the home subscriber server shown in Fig. 4, the home subscriber server of the present invention also includes advice note
First (not shown) and delete unit (not shown)；Wherein,
Notification unit, for, after described other AS delete the business that the Service-Indication is indicated, notifying
The AS that have sent the Service-Indication information subscribings request deletes the Service-Indication information；
Unit is deleted, for the AS that have sent the Service-Indication information subscribings request being deleted to this
The subscribing relationship of Service-Indication.
Or, on the basis of the home subscriber server shown in Fig. 4, the home subscriber server of the present invention also includes leading to
Know unit (not shown) and delete unit (not shown)；Wherein,
Notification unit, for after the business that other AS delete that the Service-Indication is indicated, notifying to send
Service-Indication information change described in the AS of the Service-Indication information subscribings request；
Unit is deleted, for the AS that have sent the Service-Indication information subscribings request not being deleted to this
The subscribing relationship of Service-Indication.
It will be appreciated by those skilled in the art that in the main application IMS of the home subscriber server of the present invention, above-mentioned process list
The function of unit can by corresponding hardware circuit, or processor and the corresponding mode for performing software and realize.Above-mentioned each process
The correlation function of unit, can be found in the shared Sh interface service identification method of aforementioned many application servers and system associated description and
Understand.
The above, only presently preferred embodiments of the present invention is not intended to limit protection scope of the present invention.
Claims (12)
1. a kind of method that many application servers share Sh interface service identification, it is characterised in that methods described includes：
User attaching server HSS receives the business of application server AS and indicates that Service-Indication subscribes to request
Afterwards, store the Service-Indication and subscribe to request, and have the Service-Indication ordered by the AS to believe
During breath, the Service-Indication information ordered by which is sent to the AS；
Wherein, when there is the Service-Indication information ordered by the AS, send ordered by which to the AS
Service-Indication information, be：
When the HSS has opened the business that the Service-Indication is indicated in other AS, described in acquired
Service-Indication information is notified to all AS that have sent the Service-Indication information subscribings request；
After described other AS delete the business that the Service-Indication is indicated, the HSS notices have sent described
Described in the AS of Service-Indication information subscribings request, the change of Service-Indication information, does not delete and have sent
Subscribing relationships of the AS of the Service-Indication information subscribings request to the Service-Indication.
2. method according to claim 1, it is characterised in that methods described also includes：
During the business change that the Service-Indication of other AS is indicated, the HSS is by acquired change
Service-Indication information afterwards is notified to the institute that have sent the Service-Indication information subscribings request
There is AS.
3. method according to claim 1, it is characterised in that methods described also includes：
After described other AS delete the business that the Service-Indication is indicated, the HSS notices have sent described
The AS of Service-Indication information subscribings request deletes the Service-Indication information, and deletion have sent institute
State subscribing relationships of the AS of Service-Indication information subscribings request to the Service-Indication.
4. method according to claim 1, it is characterised in that methods described also includes：
HSS receives AS and deleted Service-Indication is subscribed to after request, stores the Service-
Indication subscribes to request, and when there is the Service-Indication information ordered by the AS, sends to the AS
Service-Indication information ordered by which.
5. method according to claim 1, it is characterised in that methods described also includes：
The HSS is received described in the cancellation of the AS that have sent the Service-Indication information subscribings request
After the subscription request of Service-Indication information, deletion have sent the cancellation Service-Indication letters
Subscribing relationships of the AS of the subscription request of breath to the Service-Indication.
6. the system that a kind of many application servers share Sh interface service identification, the system include HSS and plural AS；
Pass through Sh interface exchange data information between described two above AS and HSS；Characterized in that,
AS, subscribes to request for sending Service-Indication to HSS；
HSS, after subscribing to request in the Service-Indication for receiving AS, stores the Service-Indication
Request is subscribed to, and when there is the Service-Indication information ordered by the AS, is sent ordered by which to the AS
Service-Indication information；
Wherein, HSS, is further used for, when other AS have opened the business that the Service-Indication is indicated, by institute
The Service-Indication information for obtaining notifies to ask to have sent the Service-Indication information subscribings
All AS；It is further used for, after the business that other AS delete that the Service-Indication is indicated, notifies have sent
Service-Indication information change described in the AS of the Service-Indication information subscribings request, does not delete and sends out
Subscribing relationships of the AS of the Service-Indication information subscribings request to the Service-Indication is sent.
7. system according to claim 6, it is characterised in that
HSS, is further used for, in the business change that the Service-Indication of other AS is indicated, by institute
Service-Indication information after the change of acquisition notifies to order to have sent the Service-Indication information
Read all AS of request.
8. system according to claim 6, it is characterised in that
HSS, is further used for, and after described other AS delete the business that the Service-Indication is indicated, notifies to send out
Send the AS of the Service-Indication information subscribings request to delete the Service-Indication information, and deleted
Have sent subscribing relationships of the AS of the Service-Indication information subscribings request to the Service-Indication.
9. system according to claim 6, it is characterised in that
HSS, is further used for, in the cancellation for receiving the AS that have sent the Service-Indication information subscribings request
After the subscription request of the Service-Indication information, deletion have sent the cancellation Service-
Subscribing relationships of the AS of the subscription request of Indication information to the Service-Indication.
10. a kind of user attaching server, it is characterised in that the user attaching server include receiving unit, memory element,
Acquiring unit and transmitting element, wherein：
Receiving unit, the Service-Indication for receiving AS subscribe to request；
Memory element, subscribes to request for storing the Service-Indication that the receiving unit is received；
Acquiring unit, for obtaining the Service-Indication information ordered by the AS；
Transmitting element, for the Service-Indication information ordered by which is sent to the AS；
Wherein, the acquiring unit is further used for, and has opened the industry that the Service-Indication is indicated in other AS
During business, the Service-Indication information is obtained；
The user attaching server also includes notification unit and deletes unit；Wherein,
Notification unit, for, after the business that other AS delete that the Service-Indication is indicated, notice have sent institute
State Service-Indication information change described in the AS of Service-Indication information subscribings request；
Unit is deleted, for the AS that have sent the Service-Indication information subscribings request not being deleted to this
The subscribing relationship of Service-Indication.
11. user attaching servers according to claim 10, it is characterised in that the acquiring unit is further used for,
In the business change that the Service-Indication of other AS is indicated, the Service- after change is obtained
Indication information；
The transmitting element further the Service-Indication information after the change is sent to have sent it is described
All AS of Service-Indication information subscribings request.
12. user attaching servers according to claim 10, it is characterised in that the user attaching server also includes
Notification unit and deletion unit；Wherein,
Notification unit, for, after described other AS delete the Service-Indication information, notice have sent described
The AS of Service-Indication information subscribings request deletes the Service-Indication information；
Unit is deleted, for the AS that have sent the Service-Indication information subscribings request being deleted to the Service-
The subscribing relationship of Indication.
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