CN101345919A - Service node selection method and device - Google Patents
Service node selection method and device Download PDFInfo
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- CN101345919A CN101345919A CNA2008101346463A CN200810134646A CN101345919A CN 101345919 A CN101345919 A CN 101345919A CN A2008101346463 A CNA2008101346463 A CN A2008101346463A CN 200810134646 A CN200810134646 A CN 200810134646A CN 101345919 A CN101345919 A CN 101345919A
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Abstract
The invention discloses a service node selecting method and apparatus; wherein, the method comprises: the Non Access Stratum selecting function node that is NNSF node receiving the service request from the user equipment; the NNSF node acquiring the service supporting list of each service node in the plurality of service nodes in the resource pool; the NNSF node selecting the service node supporting the service type corresponding to the service request in the acquired service supporting list and sending the service request to the selected service node. According to the invention, the function of each mobile exchange controller in the pool is optimized, thereby saving the network resource.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of service node selection method and device.
Background technology
MSCPool (Mobile Switch Controller Pool, mobile exchange control unit pond) is a kind of important networking mode, this technology can make a BSC (Based StationControl, base station controller)/RNC (Radio Network Control, radio network controller) is connected to a plurality of service MSC.
As shown in Figure 1, MSC comprises MSCe (moving exchange control emulation) or MSCServer (mobile exchange control unit service end), forms a Pool jointly by these a plurality of service MSCe/MSC Server, for the BSC/RNC that is connected provides access service.Subscriber equipment (User Equipment abbreviates UE as) is connected to MSCe/MSCServer by BSC/RNC.
The MSCPool technology has been broken in the legacy network restriction that a BSC/RNC can only be connected to MSCe/MSC Server, MSCPool uses NNSF (Non Access Stratum Network Node SelectFunction in the network of forming in the MSCPool mode, NAS Node Selection Function) algorithm, this algorithm can be realized on BSC or MGW network elements such as (Media Gateway, media gateway).
At present, the NNSF algorithm mainly according to user's number (for example, Temporary Mobile Station Identity (Temporary Mobile Subcriber Identity, abbreviate TMSI as), international mobile subscriber identity (International Mobile Subcriber Identity, abbreviate IMSI as), mobile directory number, MDN (Mobile Directory Number, abbreviate MDN as) etc.) MSC is selected, and MSC need support multiple customer service, therefore, the only selection of carrying out according to user's number, often can not select to provide for the user MSC of required business, this obviously is unfavorable for the carrying out of customer service, and if carry out the resource that gravity treatment will be wasted a large amount of networks.Yet, the technical scheme that can address this problem is not proposed at present as yet.
Summary of the invention
The present invention aims to provide a kind of service node selection method and device, to solve the problem of selecting the waste Internet resources that MSC was caused in the prior art according to Subscriber Number.
According to an aspect of the present invention, provide a kind of service node selection method.
Service node selection method according to the present invention comprises: Non-Access Stratum selection function node is that the NNSF node receives the service request from subscriber equipment; The NNSF node obtains the business support of each service node tabulation in a plurality of service nodes in the resource pool; NNSF node basis is selected the service node of the pairing type of service of supporting business request from the business support tabulation of obtaining, and service request is sent to the service node of selection.
Preferably, before the service request of NNSF node reception from subscriber equipment, this method also comprises: the NNSF node receives the register request message of subscriber equipment, and register request message sent to a plurality of service nodes in the resource pool, wherein, register request message carries the type information of the business that subscriber equipment can carry out and the identification information of subscriber equipment; Can carry out in a plurality of service nodes with register request message in the service node recording user equipment mark information of the pairing business of type information of carrying.
Preferably, this method also comprises: after the service node of selecting received service request, the service node of selection judged whether it has write down the identification information of subscriber equipment; Be judged as under the situation that is, the service node of selection is further judged itself whether pairing type of service of supporting business request, and judged result for situation about supporting under, for subscriber equipment provides professional; In the service node of selecting not recording user equipment mark information or the service node selected not under the situation of the pairing type of service of supporting business request, refusal service request.
Preferably, identification information comprise following one of at least: TMSI, IMSI, MDN.
Preferably, the business support of a plurality of service nodes of obtaining of NNSF node tabulation is for the business support tabulation of initiatively obtaining by attaching position register/service control point or be the business support tabulation of static configuration in advance.
Preferably, service node comprise following one of at least: mobile exchange control unit, VLR Visitor Location Register.
Preferably, the NNSF node be following one of at least: have the NNSF function base station controller, have the media gateway of NNSF function.
According to a further aspect in the invention, also provide a kind of service node choice device.
Service node choice device according to the present invention comprises: receiver module is used to receive the service request from subscriber equipment; Acquisition module, the business support tabulation that is used for obtaining each service node in a plurality of service nodes of resource pool; Select module, be used for according to the service node of selecting the pairing type of service of supporting business request from the business support tabulation of obtaining; Sending module is used for the service request of subscriber equipment is sent to the service node of selection.
Preferably, acquisition module initiatively obtains by attaching position register/service control point or static configuration business support tabulation.
Preferably, this device is arranged in mobile exchange control unit or the VLR Visitor Location Register.
By technique scheme of the present invention, the NNSF node is that UE selects to support this professional MSC according to the UE current business, can optimize the function of each MSC in the Pool, and then save Internet resources.
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 MSCPool group-network construction schematic diagram according to prior art;
Fig. 2 is the flow chart according to the service node selection method of the embodiment of the invention;
Fig. 3 is the signaling process figure according to subscriber equipment start registration in the service node selection method of the embodiment of the invention;
Fig. 4 is the signaling process figure that initiates the service node selection method of business 1 according to the UE of the embodiment of the invention;
Fig. 5 is the signaling process figure that initiates the service node selection method of business 2 according to the UE of the embodiment of the invention;
Fig. 6 is the block diagram according to the service node choice device of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Functional overview
In the present invention, all NNSF node can adopt and carry out the MSCe/MSCServer node according to the customer service type and select; The NNSF node has the business support tabulation of each MSCe/MSCServer, this support list can pass through HLR (Home Location Register, attaching position register)/SCP (Service ControlPoint, service control point) flow process is obtained, or the fixed configurations of NNSF own; Selected NNSF node can be supported the business that the current expectation of this user is implemented.
Method embodiment
According to the embodiment of the invention, provide a kind of service node selection method.
Fig. 2 shows the service node selection method according to the embodiment of the invention.The NNSF node receives the register request message of UE, and register request message is sent to a plurality of service nodes in the resource pool, and wherein, register request message carries the type information of the business that UE can carry out and the identification information of UE; Can carry out in a plurality of service nodes with register request message in the identification information of service node record UE of the pairing business of type information of carrying, wherein, the identification information of UE can be following one of at least: TMSI, IMSI, MDN.
As shown in Figure 2, the service node selection method according to the embodiment of the invention comprises following processing:
And this method also comprises: after the service node of selecting received service request, the service node of selection judged whether it has write down the identification information of UE; Be judged as under the situation that is, the service node of selection is further judged itself whether pairing type of service of supporting business request, and under the situation of the business that judged result is asked for this service node support, for UE provides this business; Do not write down the identification information of UE or the service node selected is not supported to refuse this service request under the situation of the pairing type of service of this service request at the service node of selecting.
Below in conjunction with Fig. 3 to Fig. 5 explanation according to the user's start-up logging in the method for present embodiment and the processing procedure of carrying out service request.
In the following description, suppose that UE (IMSI1) is that international long-distance is called out and the note ballot system in the service of handling desk registration, the NNSF node is BSC or the MGW with NNSF function, MSC1 is configured to international long-distance and calls out (professional 1, Service1) service bureau, MSC2 are configured to note ballot system (business 2, service bureau Service2), MSC3 be configured to support the IWF business (professional 3, Service3).
Fig. 3 shows the registering flow path according to the UE start (or position renewal) of the embodiment of the invention, and as shown in Figure 3, this flow process comprises following processing procedure:
Step 302, each professional corresponding service MSC of NNSF nodes records, MSC1 is configured to international long-distance and calls out (professional 1 in the present embodiment, Service1) service bureau, MSC2 is configured to note ballot system (professional 2, Service2) service bureau, MSC3 are configured to support IWF business (business 3, service bureau Service3).
Step 304, UE sends register request message (RegistrationMessage) to the NNSF node;
Step 306, the NNSF node receives the register request message of UE, obtains all services that can support among the current MSCPool, and corresponding MSC/VLR office direction (MSC1/VLR1, MSC2/VLR2, MSC3/VLR3);
Step 308～314, the NNSF node sends user's registration message (LocationUpd) to all MSC/VLR office directions (MSC1/VLR1, MSC2/VLR2, MSC3/VLR3), after receiving user's registration message, MSC1/VLR1, MSC2/VLR2, MSC3/VLR3 transmit this user request of registering (Regnot) to HLR;
International long-distance calling and note ballot service have been registered because UE only accepts in step 316～324, and then HLR has accepted the registration request of MSC1/VLR1 and MSC2/VLR2 initiation; Because UE does not does not accept registration IWF service, then HLR has refused the registration request that MSC3/VLR3 initiates.
After carrying out above-mentioned operation, just can allow UE to initiate the business of having registered.Fig. 4 is the flow chart of the service node selection method of the UE according to the embodiment of the invention when initiating international trunk call, and as shown in Figure 4, this method comprises following processing:
Step 402, UE initiates international long-distance (International call) and calls out, that is, professional 1 (Service1), UE sends call message (CMServiceReq) to the NNSF node;
When step 404, NNSF node receive from the call message of UE, obtain the corresponding service list (business support tabulation) of all MSC (or VLR), and judge that according to rising of the UE information of exhaling UE will carry out international long-distance and call out.The NNSF node judges that according to the service list of all MSC/VLR the MSC of Service1 correspondence is MSC1;
Step 406, the NNSF node is forwarded to MSC1 with call message;
Step 408～414, MSC1 judges that UE has record in this VLR, and the business of initiating is the international long-distance service that MSC1 supports, then allows to call out to begin to continue, and finishes the assignment of eating dishes without rice or wine normally (AssignReq) process;
Step 416～424, MSC1 carries out normal outbound call and continues.
By present embodiment, the NNSF node is selected to support this professional MSC for UE according to UE present type of service (international long-distance service), can be optimized the function of each MSC in the Pool, and then save Internet resources.
In addition, (as shown in Figure 3 at the log-on operation of UE start (or position renewal).Be not repeated in this description herein) finish after, UE initiates short message original calling (professional 2), as shown in Figure 5, this method comprises following processing:
When step 502, NNSF node are received short message original calling (ADD Transfer) message of UE, obtain the service list of all MSC/VLR correspondences, working the information of exhaling and to judge that UE is current and will carry out short message service according to UE;
Step 504～506, it is MSC2 that the NNSF node obtains service MSC according to short message service.The NNSF node is forwarded to MSC2 with call message;
Step 508, MSC2/VLR2 judges that UE has record in this VLR, and the business of initiating is the short message service function that this MSC/VLR supports, then allows note to transmit or carries out other characteristic services;
Step 510, MSC2/VLR2 carries out the note forwarding or carries out other characteristic services.
By present embodiment, the NNSF node is selected to support this professional MSC for UE according to UE present type of service (short message service), can be optimized the function of each MSC in the Pool, and then save Internet resources.
Device embodiment
The present invention also provides a kind of service node choice device, and this device can be arranged among MSC or the VLR.Fig. 6 is the flow chart according to the service node choice device of the embodiment of the invention, and as shown in Figure 6, this device comprises: receiver module 10 is used to receive the service request from UE; Acquisition module 20, the business support tabulation that is used for obtaining each service node in a plurality of service nodes of resource pool; Acquisition module 20 initiatively obtains by HLR or SCP flow process or static configuration business support tabulation; Select module 30, be connected to receiver module 10 and acquisition module 20 respectively, be used for according to the service node of selecting the pairing type of service of supporting business request from the business support tabulation of obtaining; Sending module 40 is connected to and selects module 30, is used for the service request of UE is sent to the service node of selection.
Carry out alternately describing before the process with the registration of carrying out UE and service request according to the service node choice device of present embodiment and MSC/VLR, HLR, UE, its processing procedure such as Fig. 3 no longer repeat here to shown in Figure 5.
In sum, by technique scheme of the present invention, making the NNSF node can be that UE selects to support this professional MSC/VLR according to the type of UE current business, thereby optimizes the function of each service node in the Pool, save Internet resources, improved efficient and accuracy that service node is selected.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a service node selection method is characterized in that, comprising:
Non-Access Stratum selection function node is that the NNSF node receives the service request from subscriber equipment;
Described NNSF node obtains the business support of each service node tabulation in a plurality of service nodes in the resource pool;
Described NNSF node is supported the service node of the pairing type of service of described service request according to selection from the described business support tabulation of obtaining, and described service request is sent to the described service node of selection.
2. method according to claim 1 is characterized in that, before the service request of described NNSF node reception from described subscriber equipment, described method also comprises:
Described NNSF node receives the register request message of described subscriber equipment, and described register request message sent to a plurality of service nodes in the resource pool, wherein, described register request message carries the type information of the business that described subscriber equipment can carry out and the identification information of described subscriber equipment;
Can carry out in described a plurality of service node with described register request message in the service node of the pairing business of described type information of carrying write down the identification information of described subscriber equipment.
3. method according to claim 2 is characterized in that, described method also comprises:
After the described service node of selecting received described service request, the described service node of selection judged whether it has write down the identification information of described subscriber equipment;
Be judged as under the situation that is, the described service node of selection further judges itself whether to support the pairing type of service of described service request, and under the situation of judged result for support, for described subscriber equipment provides professional;
Do not write down the identification information of described subscriber equipment or the described service node selected is not supported to refuse described service request under the situation of the pairing type of service of described service request at the described service node of selecting.
4. method according to claim 3 is characterized in that, described identification information comprise following one of at least: Temporary Mobile Station Identity, international mobile subscriber identity, mobile directory number, MDN.
5. according to each described method in the claim 1 to 4, it is characterized in that the business support tabulation of described a plurality of service nodes that described NNSF node obtains is tabulated for the business support of initiatively obtaining by attaching position register/service control point or is the business support tabulation of static configuration in advance.
6. according to each described method in the claim 1 to 4, it is characterized in that, described service node comprise following one of at least: mobile exchange control unit, VLR Visitor Location Register.
7. according to each described method in the claim 1 to 4, it is characterized in that, described NNSF node be following one of at least: have the NNSF function base station controller, have the media gateway of described NNSF function.
8. a service node choice device is characterized in that, comprising:
Receiver module is used to receive the service request from subscriber equipment;
Acquisition module, the business support tabulation that is used for obtaining each service node in a plurality of service nodes of resource pool;
Select module, be used for according to the service node of selecting to support the pairing type of service of described service request from the described business support tabulation of obtaining;
Sending module is used for the service request of described subscriber equipment is sent to the described service node of selection.
9. device according to claim 8 is characterized in that, described acquisition module initiatively obtains by attaching position register/service control point or static configuration business support tabulation.
10. according to Claim 8 or 9 described devices, it is characterized in that described device is arranged in mobile exchange control unit or the VLR Visitor Location Register.
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| CNA2008101346463A CN101345919A (en) | 2008-08-12 | 2008-08-12 | Service node selection method and device |
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| CNA2008101346463A CN101345919A (en) | 2008-08-12 | 2008-08-12 | Service node selection method and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014365A (en) * | 2010-11-04 | 2011-04-13 | 中兴通讯股份有限公司 | Method and system for selecting core network operator from radio network sharing |
| CN101640941B (en) * | 2009-08-06 | 2012-03-21 | 华为技术有限公司 | Connection resource release processing method and device |
| WO2016074211A1 (en) * | 2014-11-14 | 2016-05-19 | 华为技术有限公司 | Data forwarding method and controller |
| WO2016180018A1 (en) * | 2015-05-11 | 2016-11-17 | 中兴通讯股份有限公司 | Access method and corresponding access node, terminal and communication network |
| CN107977270A (en) * | 2017-11-22 | 2018-05-01 | 用友金融信息技术股份有限公司 | Peers distribution method, peers distribution system and computer installation |
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2008
- 2008-08-12 CN CNA2008101346463A patent/CN101345919A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640941B (en) * | 2009-08-06 | 2012-03-21 | 华为技术有限公司 | Connection resource release processing method and device |
| CN102014365A (en) * | 2010-11-04 | 2011-04-13 | 中兴通讯股份有限公司 | Method and system for selecting core network operator from radio network sharing |
| WO2012058944A1 (en) * | 2010-11-04 | 2012-05-10 | 中兴通讯股份有限公司 | Method and system for selecting core network operator in wireless network share |
| CN102014365B (en) * | 2010-11-04 | 2015-01-28 | 中兴通讯股份有限公司 | Method and system for selecting core network operator from radio network sharing |
| WO2016074211A1 (en) * | 2014-11-14 | 2016-05-19 | 华为技术有限公司 | Data forwarding method and controller |
| CN107079524A (en) * | 2014-11-14 | 2017-08-18 | 华为技术有限公司 | The method and controller of a kind of data forwarding |
| US10368254B2 (en) | 2014-11-14 | 2019-07-30 | Huawei Technologies Co., Ltd. | Data forwarding method and controller |
| WO2016180018A1 (en) * | 2015-05-11 | 2016-11-17 | 中兴通讯股份有限公司 | Access method and corresponding access node, terminal and communication network |
| CN106304246A (en) * | 2015-05-11 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of cut-in method and corresponding access node, terminal and communication network |
| CN107977270A (en) * | 2017-11-22 | 2018-05-01 | 用友金融信息技术股份有限公司 | Peers distribution method, peers distribution system and computer installation |
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