CN101330456B - Method for transmitting Sh interface transparent data - Google Patents
Method for transmitting Sh interface transparent data Download PDFInfo
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- CN101330456B CN101330456B CN2007101302935A CN200710130293A CN101330456B CN 101330456 B CN101330456 B CN 101330456B CN 2007101302935 A CN2007101302935 A CN 2007101302935A CN 200710130293 A CN200710130293 A CN 200710130293A CN 101330456 B CN101330456 B CN 101330456B
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Abstract
The invention discloses a method for transmitting Sh interface transparent data, which is used for transmitting subscriber data between a home subscriber server (HSS) and an application server (AS), so as to improve the transmission efficiency of the subscriber data. The method comprises the following steps: the AS sends a subscriber data operation request to the HSS, and indicates that the subscriber data is transmitted by using data segmentation transmission characteristic in a service indication region of the transparent data mentioned in the request using a service indication with a special mark; and the HSS searches the subscriber data according to the service indication with the special mark, and conducts corresponding operations on the subscriber data according to the subscriber data operation request. The method overcomes the shortcoming with the transmission of entire Sh interface subscriber data blocks in the prior art.
Description
Technical field
The present invention relates to the transmission method of transparent data, specifically, relate to a kind of transmission method of Sh interface transparent data.
Background technology
IP Multimedia System (IP Multimedia Core Network Subsystem is called for short IMS) is the core of communication network of new generation.Fig. 1 has been provided by storage and professional network element and the contact thereof that provides in the IMS architecture.Wherein: home subscriber server (Home Subscriber Server is called for short HSS) the 101st, the main storage server of all data relevant among the IMS with user and server; Service call conversation control function (Service CSCF is called for short S-CSCF) the 102nd, the core network element of control conversation procedure; Session initiation protocol (Session Initiation Protocol, be called for short SIP) application server (SIP Application Server, be called for short SIP AS) 103, open service inserts (Open ServiceAccess, be called for short OSA) service capability server (OSA Service Capability Server, be called for short OSA-SCS) 104 and OSA application server (OSA Application Server is called for short OSA-AS) 105 provide the network element of increment multimedia service.
Communicating by letter between home subscriber server 101 and the AS realizes by Sh interface.AS by this interface obtain, renewal, booking reader's data, home subscriber server 101 sends notice by this interface to AS.
The transmission of user data between home subscriber server 101 and AS (or service data) is to pack by the transparent data that is included in the message.Typically, in the data type of Sh interface, the example of two kinds of transparent datas is arranged: storage data (Repository) and another name storage data (AliasRepositoryData).
So-called transparent data is meant that home subscriber server 101 only can understand its grammer and can not understand the data that it is semantic.Transparent data comprises 3 members: service index (ServiceIndication), versions of data number (SequenceNumber), data volume (ServiceData).Wherein, the user data (or service data) that data volume part actual storage is transmitted in Sh interface, and in a transparent data example, at most only have a data volume example.
Fig. 2 has described the service subscription data that the user A of a supposition stores in home subscriber server 101, and the contact between AS and user data.In the drawings, the public subscriber identification of user A is PUI_A, and user A has 3 service subscription data, be associated with 3 different application servers respectively, be respectively AS1, AS2 and AS3, each application server AS respectively has a service index, is respectively SI1, SI2 and SI3.Each service subscription data and an AS of user are associated, and comprise 3 main attributes.With the service subscription data instance of user about AS1, these service subscription data comprise: service index SI1, versions of data SeqNum1, data volume ServiceData1, AS1 service index SI1 and the user A by public subscriber identification PUI_A, the AS1 of user A is associated about the subscription data of AS1.An AS only can operate the subscription data of user about this AS itself.
In the prior art, no matter be that AS obtains, updating user data, or home subscriber server 101 transmission user data updates are notified to AS, user data is all transmitted between network as an integral blocks, and no matter this user data has much.Particularly, user data is comprised in the data volume part in the interior transparent data of message, each storage data only can comprise the relevant user data of an AS, and it is the service that is associated with which AS that AS and home subscriber server 101 are partly discerned this user data by the service index in the transparent data.
Normally, a user data block may not wait to tens K at several K, and this data volume only is the part of AS and 101 message of home subscriber server.For IMS server network element home subscriber server 101, need serve very many users because of it, this data volume has influenced the efficient of home subscriber server 101 deal with data greatly, has weakened the service ability of home subscriber server 101 to a great extent.
This shows, the mode of existing AS and 101 monoblock transmitting user datas of home subscriber server although processing procedure is fairly simple, is transmitted the data of big data quantity continually, obviously bigger for the pressure ratio of the network bandwidth, also bigger to the processing pressure of core network element.In addition, the core network element home subscriber server 101 among the IMS needs thousands of users of service usually, and the monoblock of each user data is upgraded, and has also limited its service ability.
By above analysis as can be seen, there is defective in the mode of Sh interface transmission transparent data among the existing IMS, and efficient is lower, has also limited the service ability of home subscriber server 101.If can disassemble user data package effectively, only obtain, upgrade a fritter that wherein needs, can greatly improve the integrity service ability of home subscriber server 101, improve the utilization rate of the network bandwidth.
Summary of the invention
Technical problem to be solved by this invention is to be to provide a kind of method that is used for the transparent user data of Sh interface transmission between home subscriber server and application server, to improve the efficiency of transmission of user data.
In order to solve the problems of the technologies described above, the invention provides a kind of transmission method of Sh interface transparent data, be used for transmitting user data between home subscriber server and application server, comprising:
Described application server sends the user data operation requests to described home subscriber server, in this service index of asking to adopt in the service index territory of described transparent data the band special marking, represent that described user data adopts the data sementation transmission characteristic to carry out described transmission;
Described home subscriber server inquires described user data according to the service index of described band special marking, according to described user data operation requests, described user data is done corresponding operation.
In the transmission method of above-mentioned Sh interface transparent data, described application server can comprise session initiation protocol application server and open service access service capable server.
In the transmission method of above-mentioned Sh interface transparent data, the content of the data volume in the described transparent data of described Sh interface transmission can be organized with the extend markup language form.
In the transmission method of above-mentioned Sh interface transparent data, the service index of described band special marking can comprise that adding the special marking character by the head at the original service pointer represents.
In the transmission method of above-mentioned Sh interface transparent data, may further include unique data volume element selector that navigates to specified node in the service index territory of described transparent data, be used for the partial content of described user data is done corresponding operation.
Further, described data volume element selector can be used to refer to identifier that the node selector begins from here and follow-up being used for and be explained the node selector that converts certain node to from the data volume root node level to this node and form by leading.Further, each internodal level in the described node selector can adopt decollator to cut apart expression.
In the transmission method of above-mentioned Sh interface transparent data, described application server receives that described home subscriber server sends can not the described user data operation requests of normal process response the time, can obtain the request message of user data according to the prior art retransmission requesting.
In the transmission method of above-mentioned Sh interface transparent data, described home subscriber server inquires before the described user data, may further include the service index of described band special marking is verified.
Compared with prior art, the inventive method is by the service index of band special marking, the user data that needs are operated carries out segment transmissions, also can further specify needs the specific user of executable operations data division, overcome the defective of Sh interface user data monoblock transmission in the prior art, satisfied the demand that promotes the HSS service ability, reduces the network data visit capacity.
Description of drawings
Storage among the prior art IMS and professional network element that provides and contact schematic diagram thereof are provided Fig. 1;
What Fig. 2 was the prior art user at the service subscription data of HSS storage and data and AS concerns the embodiment schematic diagram;
Fig. 3 is the inventive method embodiment step schematic diagram;
Fig. 4 sends the flow process signal that user data obtains request for AS to HSS;
Fig. 5 sends the flow process signal that another user data obtains request for AS to HSS;
Fig. 6 is AS sends flow process signal from the Data Update request to HSS.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Basis agreement and principle among explanation the present invention earlier.
In the mutual idiographic flow of AS and home subscriber server 101, how to use this method below in conjunction with description of drawings, improve the service ability of core network element home subscriber server 101 to reduce volume of transmitted data.As shown in Figure 3, the inventive method embodiment comprises step:
S301, when AS wishes to subscribe to, obtains, during content in the updating user data, service data component identifier of structure in the service index territory of transparent data in issuing the user data operation requests message of home subscriber server 101, this service data component identifier comprises the service index of being with special marking, also comprise being used for unique data volume element selector that navigates to specified node the content that while AS also carries specific part in this user data according to circumstances; Typically, if AS wishes to operate is the full content of user data, then will not comprise data volume element selector in the service data component identifier;
S302 after home subscriber server 101 receives the request of AS, verifies at first whether the service data component identifier of service index part in the message body is correct, just the partial data of AS request is done the processing of response then;
S303, home subscriber server 101 is by resolving the content in service index territory in the transparent data, inquire user data, according to the data volume element selector that is included in the service index territory, navigate to the specified node of user data, this partial data is carried out corresponding the processing, then result is sent to AS.If data volume element selector does not provide, what then need to operate is the full content of user data.
Fig. 4 is that AS sends the flow process signal that user data obtains request to home subscriber server 101, and wherein AS and home subscriber server 101 possess the data sementation transmission characteristic simultaneously.AS sends user data to home subscriber server 101 and obtains the flow process of request, and step is as follows:
S401, AS is because service needed determines to use the data sementation transmission characteristic to require to obtain user data to home subscriber server 101;
S402, AS sends the user data that requires to obtain user data to home subscriber server 101 and obtains request message; In this request message, used data sementation treatment characteristic described in the invention, promptly in the service index territory of the transparent data of request message, used the service index of band special marking;
S403, support the home subscriber server 101 of data segment transmissions characteristic, after the service index of band special marking is verified, recognize in the service index territory of transparent data, store be the band special marking service index, home subscriber server 101 is resolved its content, obtain correct service index, inquire user data according to it;
S404, home subscriber server 101 has correctly been handled the data acquisition request of AS, sends response to AS, comprises the full content of user data in message.
Fig. 5 is that AS sends the flow process signal that another user data obtains request to home subscriber server 101, and wherein AS possesses the data sementation transmission characteristic, and home subscriber server 101 does not possess this characteristic.The step of flow process is as follows:
S501, the user data that AS obtains user data to requirement of home subscriber server 101 transmissions obtains request message, in this request message, used data sementation treatment characteristic described in the invention, promptly in the service index territory of the transparent data of request message, used the service index of band special marking;
S502, home subscriber server 101 receives after user data that AS sends obtains request message, because home subscriber server 101 does not have service data segment transmissions ability, can't normally discern the service index of band special marking, therefore return and normal process request responding message to give AS;
S503, AS judge home subscriber server 101 and do not have the data sementation transmittability according to the response message of home subscriber server among the S502 101, therefore resend the request message that obtains that requires to obtain user data according to processing method of the prior art;
S504, the user data of home subscriber server 101 correct response AS obtains request message, and returns the response message that has comprised correct user data; And in processing after this, the communication between AS and the home subscriber server 101 is not used the described data sementation transmission characteristic of this method based on prior art.
To be AS send the flow process signal of user data update requests to home subscriber server 101 to Fig. 6, and request is upgraded only is a certain concrete part in the user data.Wherein AS and home subscriber server 101 possess the data sementation treatment characteristic simultaneously.AS uses the data sementation transmission characteristic to send the user data update request to home subscriber server 101, and step is as follows:
S601, because service needed, AS has upgraded the partial content of user data, needs more new portion storage to return and belongs to client server 101, the AS decision uses the data sementation transmission characteristic to home subscriber server 101 request user data updates;
S602, AS send the user data update request message of request user data update to home subscriber server 101; In this request message, used data sementation treatment characteristic described in the invention, promptly in the service index territory of the transparent data of request message, comprised a service data component identifier (this service data component identifier is made up of two parts: the service index of band special marking reaches the data volume element selector in order to the segmentation of indication particular data); In the data volume part of transparent data, only comprised certain customers' data segment that will upgrade, rather than comprised the full content of user data;
S603, home subscriber server 101 is after verifying the service index of band special marking, the content that recognizes the service index territory from the user data update request message is the service index and the data volume element selector of band special marking, resolve its content, access user data, according to the indication of data volume element selector, this specific part that is instructed in the updating user data;
S604 after the Data Update request of home subscriber server 101 correct processing AS, sends response to AS, informs successful updating user data.
In the inventive method, AS in home subscriber server 101 request or booking reader's data (or service data) and home subscriber server 101 carry out the data sementation transmittability and consult.Machinery of consultation is: in the request that AS sends, fill with the service index of band special marking in the service index territory of its transparent data, the service index of this band special marking is different from normal service index, and the unlikely ambiguity that causes.AS judges by judging the service index that can home subscriber server 101 this band special marking of normal process whether home subscriber server 101 has the data sementation transmittability.
The inventive method is not changed existing Sh interface agreement, only reappoints the use usage of the service index in the transparent data, and analyzing and processing method, has favorable compatibility with existing version.
The data volume element selector that the inventive method is arranged has level clearly, can be downward layer by layer from the root node of user data, navigate to the element-specific in the user data of expressing uniquely with XML, and no ambiguity occurs.
In the inventive method, HSS can initiatively not use the data sementation transmission characteristic to send data to AS, only sends request with the data sementation transmission characteristic to HSS at AS and makes correct response.Therefore avoided HSS to send the possibility that segment data leads to errors to the AS that does not support data segment transmissions characteristic.
In the inventive method, if HSS does not support data segment transmissions characteristic, then HSS can not carry out operations such as insertion that AS uses this characteristic to ask, renewal, deletion, therefore can not destroy original user data.
Compared with prior art, because in the transmission course of the present invention's transparent data of Sh interface between home subscriber server 101 and AS, adopted user data has been carried out the grammer segmentation, construct unambiguous service data component identifier and describe data sementation to be processed, only this specific part at user data carries out operational processes, therefore effectively reduce the volume of transmitted data between HSS and AS, saved the network bandwidth, reduce network overhead, improved the service ability of core network element home subscriber server 101.
Claims (9)
1. the transmission method of a Sh interface transparent data is used for transmitting user data between home subscriber server and application server, it is characterized in that, comprising:
Described application server sends the user data operation requests to described home subscriber server, in this service index of asking to adopt in the service index territory of described transparent data the band special marking, represent that described user data adopts the data sementation transmission characteristic to carry out described transmission; Wherein, transparent data is meant that home subscriber server only can understand its grammer and can not understand the data that it is semantic;
Described home subscriber server inquires described user data according to the service index of described band special marking, according to described user data operation requests, described user data is done corresponding operation.
2. the method for claim 1 is characterized in that, described application server comprises session initiation protocol application server and open service access service capable server.
3. the method for claim 1 is characterized in that, the content of the data volume in the described transparent data of described Sh interface transmission is organized with the extend markup language form.
4. the method for claim 1 is characterized in that, the service index of described band special marking comprises that adding the special marking character by the head at the original service pointer represents.
5. the method for claim 1 is characterized in that, further comprises unique data volume element selector that navigates to specified node in the service index territory of described transparent data, is used for the partial content of described user data is done corresponding operation.
6. method as claimed in claim 5, it is characterized in that described data volume element selector is used to refer to identifier that the node selector begins from here and follow-up being used for and is explained the node selector that converts certain node to from the data volume root node level to this node and form by leading.
7. method as claimed in claim 6 is characterized in that, each internodal level in the described node selector adopts decollator to cut apart expression.
8. the method for claim 1, it is characterized in that, described application server receives that described home subscriber server sends can not the described user data operation requests of normal process response the time, obtain the request message of user data according to the prior art retransmission requesting.
9. the method for claim 1 is characterized in that, described home subscriber server inquires before the described user data, further comprises the service index of described band special marking is verified.
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| CN2007101302935A CN101330456B (en) | 2007-07-17 | 2007-07-17 | Method for transmitting Sh interface transparent data |
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| CN2007101302935A CN101330456B (en) | 2007-07-17 | 2007-07-17 | Method for transmitting Sh interface transparent data |
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| CN101330456B true CN101330456B (en) | 2011-05-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368721A (en) * | 2001-02-01 | 2002-09-11 | 英业达股份有限公司 | Method for using dynamic hypertext mark-up language to implement data forward |
| EP1648190A1 (en) * | 2004-10-14 | 2006-04-19 | Lucent Technologies, Inc. | A method and apparatus for facilitating interaction between a home subscriber server (HSS) and a home location register (HLR) in a legacy network |
| CN1984085A (en) * | 2006-04-14 | 2007-06-20 | 华为技术有限公司 | Method for carrying information as triggering non-REGISTER request service |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368721A (en) * | 2001-02-01 | 2002-09-11 | 英业达股份有限公司 | Method for using dynamic hypertext mark-up language to implement data forward |
| EP1648190A1 (en) * | 2004-10-14 | 2006-04-19 | Lucent Technologies, Inc. | A method and apparatus for facilitating interaction between a home subscriber server (HSS) and a home location register (HLR) in a legacy network |
| CN1984085A (en) * | 2006-04-14 | 2007-06-20 | 华为技术有限公司 | Method for carrying information as triggering non-REGISTER request service |
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Granted publication date: 20110511 Termination date: 20170717 |