CN101090568A - IP multimedium subsystem of automatic selecting attaching user server - Google Patents

IP multimedium subsystem of automatic selecting attaching user server Download PDF

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Publication number
CN101090568A
CN101090568A CN200610152802.XA CN200610152802A CN101090568A CN 101090568 A CN101090568 A CN 101090568A CN 200610152802 A CN200610152802 A CN 200610152802A CN 101090568 A CN101090568 A CN 101090568A
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China
Prior art keywords
home subscriber
hss
subscriber server
location function
available
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Withdrawn
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CN200610152802.XA
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Chinese (zh)
Inventor
昂卫武
李中科
王炜
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ZTE Corp
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ZTE Corp
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Publication date
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Priority to CN200610152802.XA priority Critical patent/CN101090568A/en
Priority to PCT/CN2006/003685 priority patent/WO2008046266A1/en
Publication of CN101090568A publication Critical patent/CN101090568A/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4588—Network directories; Name-to-address mapping containing mobile subscriber information, e.g. home subscriber server [HSS]
    • 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

This invention discloses an IP multimedia subsystem selecting HSS automatically including: multiple HSS, a call session control functional device used in enquiring HSS information to a user locating functional device, a state enquiry interface set between the user location functional device and multiple HSS, a user locating functiona device used in enquiring state of multiple HSS by a state enquiry interface according to preset time and updating recordings and selecting an available HSS and returning the information to the call session control function device when the call session function device enquires the HSS information to the user locating function device, when a HSS is faulty, SLF can identify timely and automatically switch access paths of the CSCF to a disaster recovery backup corresponding to faulty HSS by SLF side.

Description

Automatically select the IP Multimedia System of home subscriber server
Technical field
The present invention relates to IP Multimedia System, relate in particular to a kind of automatic selecting method and automatic IP Multimedia System of selecting home subscriber server of home subscriber server of IP Multimedia System.
Background technology
IP Multimedia System (the IP Multimedia Subsystem of 3GPP R5 institute standard, IMS) in, HSS (Home Subscriber Server, home subscriber server) is the central database of storage user related information, the HLR (HomeLocation Register, attaching position register) that is equivalent to traditional mobile network.HSS is except storage user's CAMEL-Subscription-Information and positional information, also preserve and user-dependent, as to be used for handling Multimedia session customization data, comprise: local information, security information (proof and authorization message), log-on message, Service Trigger Information, userspersonal information and distribute to user's S-CSCF (Serving Call Session Control Function, service call conversation control function) etc., the IMS network structure as shown in Figure 3.
If have only a HSS in the network, CSCF (Call Session ControlFunction then, CSCF) according to the HSS address of each self-configuring, service request is issued HSS, the user uses PVI (Public User Identity in the request, public user indicates) or PUI (Private User Identity, privately owned user indicates) sign.
If there are a plurality of HSS in the network, then CSCF can arrive the HSS address of SLF inquiring user ownership according to SLF (Subscriber Location Function, the subscriber location function) address of each self-configuring, and then service request is dealt on this HSS.
Belong to which HSS according to following three kinds of situation consumer positionings among the SLF:
1) if PVI/PUI is a telephone number, then according to the HSS information searching of the telephone number section ownership of configuration.
2) territory if the user has contracted, then the HSS according to the territory ownership searches.
3) if the HSS information of the PVI/PUI correspondence of configure user then search according to this.
Because HSS deposits user's CAMEL-Subscription-Information and positional information, therefore, if HSS breaks down, cause whole HSS to damage such as reasons such as earthquake or fire, then belonging to business such as user's the registration of this HSS and calling can't realize, therefore needs to consider the disaster tolerance problem of HSS.And the realization that does not provide the HSS disaster tolerance in the present protocol specification defines.When HSS breaks down, during actual can't managing business, SLF does not know the virtual condition of HSS, still returns the information of fault HSS to CSCF.
Therefore, need a kind of solution that the HSS disaster tolerance automaticallyes switch that in IP Multimedia System, realizes, in order to address the above problem.
Summary of the invention
Main purpose of the present invention is to provide a kind of automatic selecting method and system of home subscriber server, be used to provide a kind of implementation method of HSS disaster tolerance automatic switchover, during in order to realization HSS fault, automatically use the HSS of disaster-tolerant backup to replace it to provide professional, flow processs such as the inquiry of assurance CSCF and download can continue.
To achieve these goals, according to a first aspect of the invention, the invention provides a kind of automatic selecting method of home subscriber server of IP Multimedia System.The automatic selecting method of home subscriber server may further comprise the steps:
Step S102 is provided with the interface between subscriber location function equipment and a plurality of home subscriber server respectively;
Step S104, subscriber location function equipment be according to the predetermined state of regularly inquiring about a plurality of home subscriber servers by interface, and new record more;
Step S106, call session control functional equipment is when subscriber location function equipment query home subscriber server information, subscriber location function equipment is selected an available home subscriber server and is returned its information to call session control functional equipment according to the state of a plurality of home subscriber servers that write down.
Carrying out data by synchronous or asynchronous mode between a plurality of home subscriber servers duplicates.
In step S104, subscriber location function equipment is initiated status query requests to a plurality of home subscriber servers, and according to the response of a plurality of home subscriber servers or there is not the state that each home subscriber server is determined in response.In step S104, if the home subscriber server responsive state is normal, then subscriber location function equipment is defined as home subscriber server available, if the home subscriber server response is in fault or not response in the given time, then subscriber location function equipment is defined as home subscriber server unavailable.
In step S106, subscriber location function equipment can be to select available home subscriber server in the available home subscriber server at state according to preset priority.In step S106, subscriber location function equipment can alternately be selected available home subscriber server in state is available home subscriber server.In step S106, subscriber location function equipment can be randomly selected available home subscriber server in state is available home subscriber server.
To achieve these goals, according to a second aspect of the invention, the invention provides a kind of IP Multimedia System of automatic selection home subscriber server.IP Multimedia System comprises: a plurality of home subscriber servers; Call session control functional equipment is used for to subscriber location function equipment query home subscriber server information; The status poll interface is separately positioned between subscriber location function equipment and a plurality of home subscriber server; Subscriber location function equipment, be used for inquiring about by the status poll interface state of a plurality of home subscriber servers according to predetermined timing, and new record more, and be used for when call session control functional equipment during to subscriber location function equipment query home subscriber server information, according to the state of a plurality of home subscriber servers that write down, select an available home subscriber server and return its information to call session control functional equipment.
Carrying out data by synchronous or asynchronous mode between a plurality of home subscriber servers duplicates.
Subscriber location function equipment is used for initiating status query requests to a plurality of home subscriber servers, and according to the response of a plurality of home subscriber servers or there is not the state that each home subscriber server is determined in response.If the home subscriber server responsive state is normal, then subscriber location function equipment is defined as home subscriber server available, if the home subscriber server response is in fault or not response in the given time, then subscriber location function equipment is defined as home subscriber server unavailable.
Alternatively, to be used for according to preset priority be that available home subscriber server is selected available home subscriber server at state to subscriber location function equipment.Alternatively, to be used for alternately be that available home subscriber server is selected available home subscriber server at state to subscriber location function equipment.Alternatively, to be used for randomly at state be that available home subscriber server is selected available home subscriber server to subscriber location function equipment.
By technique scheme, the present invention has realized that SLF can in time discern when a HSS breaks down, and the access path that can pass through SLF side automatic switchover CSCF has guaranteed professional correctness to the disaster-tolerant backup HSS of fault HSS correspondence.
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 flow chart according to the automatic selecting method of home subscriber server of the present invention;
Fig. 2 is the block diagram according to the IP Multimedia System of automatic selection home subscriber server of the present invention;
Fig. 3 is the schematic diagram of the existing architecture of IMS;
Fig. 4 is the schematic diagram according to the improved architecture of the embodiment of the invention;
Fig. 5 is the flow chart of CSCF and SLF interaction flow in the prior art;
Fig. 6 is the flow chart according to the improved HSS state-detection flow process of the embodiment of the invention;
Fig. 7 is according to the improved CSCF of the embodiment of the invention and the flow chart of SLF interaction flow.
Embodiment
Describe the present invention below with reference to the accompanying drawings in detail.
With reference to Fig. 1, may further comprise the steps according to the automatic selecting method of the home subscriber server of IP Multimedia System of the present invention:
Step S102 is provided with the interface between subscriber location function equipment and a plurality of home subscriber server respectively.
Carrying out data by synchronous or asynchronous mode between a plurality of home subscriber servers duplicates.
Step S104, subscriber location function equipment be according to the predetermined state of regularly inquiring about a plurality of home subscriber servers by interface, and new record more.
Subscriber location function equipment is initiated status query requests to a plurality of home subscriber servers, and according to the response of a plurality of home subscriber servers or there is not the state that each home subscriber server is determined in response.
If the home subscriber server responsive state is normal, then subscriber location function equipment is defined as home subscriber server available, if the home subscriber server response is in fault or not response in the given time, then subscriber location function equipment is defined as home subscriber server unavailable.
Step S106, call session control functional equipment is when subscriber location function equipment query home subscriber server information, subscriber location function equipment is selected an available home subscriber server and is returned its information to call session control functional equipment according to the state of a plurality of home subscriber servers that write down.
Subscriber location function equipment can be to select available home subscriber server in the available home subscriber server at state according to preset priority.
Subscriber location function equipment can alternately be selected available home subscriber server in state is available home subscriber server.
Subscriber location function equipment can be randomly selected available home subscriber server in state is available home subscriber server.
With reference to Fig. 2, comprise according to the IP Multimedia System 10 of automatic selection home subscriber server of the present invention: a plurality of home subscriber servers 20; Call session control functional equipment 30 is used for to subscriber location function equipment 40 inquiry home subscriber servers 20 information; Status poll interface 50 is separately positioned between subscriber location function equipment 40 and a plurality of home subscriber server 20; Subscriber location function equipment 40, be used for according to the state of predetermined timing by a plurality of home subscriber servers 20 of status poll interface 50 inquiries, and new record more, and be used for when call session control functional equipment 30 during to subscriber location function equipment 40 inquiry home subscriber servers 20 information, according to the state of a plurality of home subscriber servers 20 that write down, select an available home subscriber server 20 and return its information to call session control functional equipment 30.
Carrying out data by synchronous or asynchronous mode between a plurality of home subscriber servers 20 duplicates.
Subscriber location function equipment 40 is used for initiating status query requests to a plurality of home subscriber servers 20, and according to the response of a plurality of home subscriber servers 20 or there is not the state that each home subscriber server 20 is determined in response.
If home subscriber server 20 responsive states are normal, then subscriber location function equipment 40 is defined as home subscriber server 20 available, if home subscriber server 20 responses are in fault or not response in the given time, then subscriber location function equipment 40 is defined as home subscriber server 20 unavailable.
Alternatively, to be used for according to preset priority be that available home subscriber server 20 is selected available home subscriber server 20 at state to subscriber location function equipment 40.Alternatively, to be used for alternately be that available home subscriber server 20 is selected available home subscriber server 20 at state to subscriber location function equipment 40.Alternatively, to be used for randomly at state be that available home subscriber server 20 is selected available home subscriber server 20 to subscriber location function equipment 40.
The present invention relates to the method that IP Multimedia System realizes that the automatic disaster tolerance of HSS switches.
Can see that from the description of front under the situation that has a plurality of HSS the network, SLF has born the selection function of HSS, therefore can increase the configuration information of HSS disaster tolerance, realize that a HSS breaks down, use its corresponding disaster tolerance HSS to continue to provide service at SLF.
The present invention mainly contains 2 improvement to existing system:
1) between SLF and HSS, increases interface, be used for the state that SLF regularly inquires about HSS.
2) at the inner HSS selection algorithm that increases of SLF, SLF can select a HSS to return its address information from one group of HSS and give CSCF.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Implementation method may further comprise the steps:
(1) realize that by synchronous or asynchronous mode data duplicate between a plurality of HSS, guarantee the consistent of user signing contract information and positional information, these HSS can be described as a HSS group.
(2) in SLF, be the HSS planning access privileges that belongs to same HSS group (only enumerated a kind of HSS system of selection herein, also can be polling or select at random etc.), according to telephone number section configuration ownership HSS information the time, just can followingly dispose such as SLF:
Initial number Stop number The first priority HSS The second priority HSS The 3rd priority HSS
8613958060000 8613958069999 The address of HSS1 The address of HSS2 The address of HSS3
(3) all HSS of regularly disposing in this SLF of SLF initiate state-detection flow processs, according to the result of state-detection, HSS is designated whether available, as shown in Figure 6.
(4) when CSCF arrives the HSS information of SLF inquiring user ownership, can provide user's number, such as 8613958057777.SLF judges that this user's number drops between the number segment 8613958060000～8613958069999.SLF judges whether HSS1 is current available again, if HSS1 can use, then returns the address information of HSS1 and gives CSCF.If HSS1 is unavailable, continue to judge the enabled node that has or not other, such as HSS2 and HSS3, if available node is arranged then select and return to CSCF.
Fig. 3 is the existing architecture of IMS, IMS comprises query call conversation control function (I-CSCF, Interrogating Call Session Control Function), Proxy Call Session Control Function (P-CSCF, Proxy Call Session Control Function), service call conversation control function, home subscriber server, subscriber location function.This framework provides the intercommunication with PSTN/PLMN (public switch telephone network/Public Land Mobile Nerwork, PublicSwitched Telephone Network/Public Land Mobile Network) and other IP multi-media networks simultaneously.
The present invention pays close attention to the relation between SLF and the HSS.
Fig. 4 is the expansion to existing architecture, has increased the state detection interfaces of SLF and HSS, can know by this interface SLF whether the HSS of current configuration is available, as the basis for estimation of follow-up initiation HSS disaster tolerance switching.This interface realization flow may further comprise the steps, as shown in Figure 6:
Step 401, all HSS that SLF regularly disposes in this SLF initiate status query request;
Step 402 after HSS receives the status query request of SLF, is returned the current running status of this HSS; SLF judges the status poll result that HSS returns, and is in fault if HSS feeds back this HSS, and then SLF is designated this HSS unavailable; If HSS does not return response in official hour, then SLF initiatively is designated this HSS unavailable.
Fig. 5 is that CSCF may further comprise the steps to the HSS flow process of SLF inquiring user ownership in the prior art:
Step 301, CSCF receives service request, may be that the user registers, and also may be call request;
Step 302, CSCF finishes professional control and judges;
Step 303, CSCF initiates request to SLF, the HSS information of inquiring user ownership;
Step 304, SLF searches the HSS information of configuration according to user profile in the request message such as subscriber directory number; And return to CSCF;
Step 305, CSCF sends out request to the HSS address that obtains from the SLF inquiry, continues Business Processing.
Fig. 7 be among the present invention to the improvement of CSCF to the HSS flow process of SLF inquiring user ownership, the inner flow process that increases of SLF has been described, select an available HSS, and return to CSCF.May further comprise the steps.
Step 501, CSCF receives service request, may be that the user registers, and also may be call request;
Step 502, CSCF finishes professional control and judges;
Step 503, CSCF initiates request to SLF, the HSS information of inquiring user ownership;
Step 504, SLF searches the HSS group information of configuration such as subscriber directory number, and therefrom selects an available HSS to return to CSCF according to user profile in the request message;
Step 505, CSCF sends out request to the HSS address that obtains from the SLF inquiry, continues Business Processing.
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 (7)

1. an IP Multimedia System of selecting home subscriber server automatically is characterized in that, comprising:
A plurality of home subscriber servers;
Call session control functional equipment is used for to described subscriber location function equipment query home subscriber server information;
The status poll interface is separately positioned between subscriber location function equipment and the described a plurality of home subscriber server;
Described subscriber location function equipment, be used for inquiring about by described status poll interface the state of described a plurality of home subscriber servers according to predetermined timing, and new record more, and be used for when call session control functional equipment during to described subscriber location function equipment query home subscriber server information, according to the state of the described a plurality of home subscriber servers that write down, select an available home subscriber server and return its information to described call session control functional equipment.
2. IP Multimedia System according to claim 1 is characterized in that, carries out data by synchronous or asynchronous mode and duplicate between described a plurality of home subscriber servers.
3. IP Multimedia System according to claim 1, it is characterized in that, described subscriber location function equipment is used for initiating status query requests to described a plurality of home subscriber servers, and according to the response of described a plurality of home subscriber servers or there is not the state that each home subscriber server is determined in response.
4. according to claim 1 or 3 described IP Multimedia System, it is characterized in that, if described home subscriber server responsive state is normal, then described subscriber location function equipment is defined as described home subscriber server available, if described home subscriber server response is in fault or not response in the given time, then described subscriber location function equipment is defined as described home subscriber server unavailable.
5. according to each described IP Multimedia System in the claim 1 to 3, it is characterized in that it is that available described home subscriber server is selected described available home subscriber server at state that described subscriber location function equipment is used for according to preset priority.
6. according to each described IP Multimedia System in the claim 1 to 3, it is characterized in that it is that available described home subscriber server is selected described available home subscriber server at state that described subscriber location function equipment is used for alternately.
7. according to each described IP Multimedia System in the claim 1 to 3, it is characterized in that it is that available described home subscriber server is selected described available home subscriber server at state randomly that described subscriber location function equipment is used for.
CN200610152802.XA 2006-10-18 2006-10-18 IP multimedium subsystem of automatic selecting attaching user server Withdrawn CN101090568A (en)

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PCT/CN2006/003685 WO2008046266A1 (en) 2006-10-18 2006-12-29 Ip multimedia subsystem for selecting home subscriber server automatically

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101459533B (en) * 2008-04-16 2011-10-26 中兴通讯股份有限公司 System and method for improved application server disaster tolerance in next generation network
CN102487495A (en) * 2010-12-02 2012-06-06 中兴通讯股份有限公司 Method and CSCF (Call Session Control Function) for realizing calling when HSS (Home Subscriber Server) is abnormal
CN102624731A (en) * 2012-03-13 2012-08-01 华为技术有限公司 Call processing method, system and server
CN103593369B (en) * 2012-08-16 2017-02-08 成都鼎桥通信技术有限公司 Inquiry and update method and processing system of HSS (home subscriber server) data

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9021300B2 (en) 2009-11-27 2015-04-28 Orange Method of changing over from a primary HSS to a backup HSS in an IP network
CN104918324A (en) * 2014-03-13 2015-09-16 电信科学技术研究院 Positioning method selection control method and device
CN105049230B (en) * 2015-06-15 2019-01-29 中兴国通通讯装备技术（北京）有限公司 A kind of the vehicle disaster recovery method and its vehicle disaster tolerance system of the distributed multimedia subsystem based on domain name system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790953A (en) * 1995-08-22 1998-08-04 Motorola, Inc. System and method for managing subscriber unit location information in an integrated communication network
US7453876B2 (en) * 2004-09-30 2008-11-18 Lucent Technologies Inc. Method and apparatus for providing distributed SLF routing capability in an internet multimedia subsystem (IMS) network
KR20060082123A (en) * 2005-01-11 2006-07-14 삼성전자주식회사 Method for getting subscriber information in ims(ip multimedia core network subsystem) network

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101459533B (en) * 2008-04-16 2011-10-26 中兴通讯股份有限公司 System and method for improved application server disaster tolerance in next generation network
CN102487495A (en) * 2010-12-02 2012-06-06 中兴通讯股份有限公司 Method and CSCF (Call Session Control Function) for realizing calling when HSS (Home Subscriber Server) is abnormal
CN102487495B (en) * 2010-12-02 2015-05-20 中兴通讯股份有限公司 Method and CSCF (Call Session Control Function) for realizing calling when HSS (Home Subscriber Server) is abnormal
CN102624731A (en) * 2012-03-13 2012-08-01 华为技术有限公司 Call processing method, system and server
CN103593369B (en) * 2012-08-16 2017-02-08 成都鼎桥通信技术有限公司 Inquiry and update method and processing system of HSS (home subscriber server) data

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