CN110324807A

CN110324807A - A kind of information processing method, function and computer readable storage medium

Info

Publication number: CN110324807A
Application number: CN201810260168.4A
Authority: CN
Inventors: 蒋栋栋
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2018-03-27
Filing date: 2018-03-27
Publication date: 2019-10-11
Anticipated expiration: 2038-03-27
Also published as: CN110324807B

Abstract

The embodiment of the invention discloses a kind of information processing methods, which comprises receives the first registration request that the first function is sent；According to first registration request, the first domain name corresponding with first function and the corresponding domain name record of first domain name are generated based on the fisrt feature parameter；Transmission is used to indicate the registration succeeded in registration and responds to first function；Wherein, the registration response is for when first function is source access and mobile management function to ps domain AMF, it indicates that the source AMF generates the second domain name corresponding with the first operation requests received, and obtains the corresponding domain name record of second domain name from the corresponding domain name record of first domain name.The embodiment of the present invention also discloses a kind of function and computer readable storage medium simultaneously.

Description

A kind of information processing method, function and computer readable storage medium

Technical field

The present invention relates to field of communication technology more particularly to a kind of information processing methods, function and computer-readable storage Medium.

Background technique

Existing mobile communication, which has begun to the 5th generation (5th-Generation, 5G) mobile communication technology, to be developed, in 5G In mobile communication technology, based on third generation partner program (3rd Generation Partnership Project, Network storage function (Network Repository Function, NRF) is introduced in standard TS 23.501 3GPP) with reality Existing network function (Network Function, NF), such as the automatic discovery technique of the functions such as AMF, SMF and MME.

But NRF is only proposed in existing 5G communication standard to be had the function of finding NF automatically, not can be realized The scheme of NRF discovery NF.

Summary of the invention

In order to solve the above technical problems, an embodiment of the present invention is intended to provide a kind of information processing method, function and computers Readable storage medium storing program for executing solves the problems, such as to can not achieve the scheme of NRF discovery NF in the prior art, realizes NRF according to NF's Automatic registration process generates domain name system (Domain Name System, DNS) record, and ensure that NRF has found NF's automatically Function.

The technical solution of the embodiment of the present invention is achieved in that

In a first aspect, providing a kind of information processing method, it is applied in network storage function NRF, which comprises

Receive the first registration request of the first function transmission；Wherein, first function is for realizing Network Management Function, The fisrt feature parameter of first function is carried in first registration request；

According to first registration request, generated and first function corresponding first based on the fisrt feature parameter Domain name and the corresponding domain name record of first domain name；

Transmission is used to indicate the registration succeeded in registration and responds to first function；Wherein, the registration response is for working as When first function is source access and mobile management function to ps domain AMF, the first operation that the source AMF is generated and received is indicated Corresponding second domain name is requested, and obtains the corresponding domain name of second domain name from the corresponding domain name record of first domain name Record.

Optionally, the fisrt feature parameter includes the identity of resource record title and the first function, the basis First registration request, fisrt feature parameter based on first function of being carried in first registration request generate with The corresponding domain name record of first function, comprising:

According to first registration request, the first domain name is generated for first function；

Identity based on the resource record title and first function obtains name authority pointer NAPTR note Record and service position SRV record；

Identity based on first function and the Protocol IP address interconnected between the network of the first function, are led Machine HOST record.

Optionally, the transmission is used to indicate the registration succeeded in registration and responds to first function, the method Further include:

Receive the inquiry request for being used to indicate inquiry of the domain name that the source AMF is sent；Wherein, it is carried in the inquiry request There is the second domain name；

According to the inquiry request, domain name record queries are carried out based on second domain name and are obtained and second domain name pair The domain name record answered；

The corresponding domain name of second domain name is sent to record to the source AMF.

Optionally, when first function is any AMF, the resource record title in the fisrt feature parameter includes The domain AMF and AMF set and AMF identification record title, tracing area TA record name and network slice mark NSI record name； Any AMF includes the source AMF；

Resource record title packet when first function is conversation management functional SMF, in the fisrt feature parameter Include data network DNN and conversation management functional SMF identification record title；

Resource record title packet when first function is mobile management entity MME, in the fisrt feature parameter Include MME group mark and MME identification record title and TA record name.

Second aspect provides a kind of information processing method, is applied in the AMF of source, which comprises

After what reception network storage function NRF was sent is used to indicate the registration response succeeded in registration, receives the first operation and ask It asks；Wherein, first operation requests carry identification information；

The second domain name is obtained based on the domain name that the identification information generates the second function, and sends and carries second domain The inquiry request of name is to the NRF；

The corresponding domain name record of second domain name that the NRF is sent is received, and corresponding based on second domain name Domain name record establishes communication linkage with second function；Wherein, the corresponding domain name record of second domain name is the NRF base What the second domain Name acquisition in the inquiry request arrived.

Optionally, the domain name for generating the second function based on the identification information obtains the second domain name, and sends carrying There is the inquiry request of second domain name to the NRF, comprising:

If the identification information is not the identification information of source AMF distribution, the second function is generated based on the identification information Domain name obtains the second domain name；

It sends and carries the inquiry request of second domain name to the NRF.

Optionally, the domain name for generating the second function based on the identification information obtains the second domain name, and sends carrying There is the inquiry request of second domain name to the NRF, further includes:

It sends and is sliced selection function NSSF for request instruction to the network of solicited message；Wherein, the request instruction is taken With the identification information；

Receive the network slice identification information NSI that the NSSF is sent；Wherein, the NSI is described in the NSSF is based on What the identification information carried in request instruction obtained；

Second domain name is generated based on first operation requests and the NSI, and sends and carries second domain The inquiry request of name is to the NRF.

It is optionally, described to send the request instruction for request message to NSSF, comprising:

Identification information based on terminal obtains first network slice selection auxiliary letter from uniform data management UDM Cease NSSAI；Wherein, the identification information includes the identification information of the terminal；

If the 2nd NSSAI carried in the first NSSAI and first operation requests is mismatched, the request is sent Instruction to network is sliced selection function NSSF.

It is optionally, described to generate second domain name based on first operation requests and the NSI, comprising:

If first operation requests are initial registration requests, obtained based on the NSI domain name for generating target AMF described Second domain name；Wherein, second function is the target AMF.

It is optionally, described to generate second domain name based on first operation requests and the NSI, further includes:

If first operation requests are the requests of protocol Data Unit PDU session establishment, obtain the PDU session establishment and ask Seek the data network title DNN of middle carrying；

Second domain name is obtained based on the NSI and DNN domain name for generating SMF；Wherein, second function is The SMF.

The third aspect, provides a kind of NRF, and the NRF includes: first processor, first memory and the first communication bus； Wherein:

First communication bus is for realizing the connection communication between the first processor and the first memory；

The first processor is for executing the message handling program stored in the first memory, to realize such as first The step of aspect described in any item information processing methods.

Fourth aspect, provides a kind of AMF, and the AMF includes: second processor, second memory and the second communication bus； Wherein:

First communication bus is for realizing the connection communication between the second processor and the second memory；

The second processor is for executing the message handling program stored in the second memory, to realize such as second The step of aspect described in any item information processing methods.

5th aspect, provides a kind of computer readable storage medium, is stored with letter on the computer readable storage medium Processing routine is ceased, is realized when the message handling program is executed by processor as first aspect or second aspect are described in any item The step of information processing method.

Information processing method, function provided by the embodiment of the present invention and computer readable storage medium receive first After the first registration request that function is sent, generated and the first function pair according to the first registration request, and based on fisrt feature parameter The corresponding domain name record of the first domain name and the first domain name answered, finally transmission is used to indicate the registration succeeded in registration and responds to first Function；In this way, NRF receives the first registration request that the first function is sent, and the first registration request sent according to the first function Corresponding first domain name of the first function and the corresponding domain name record of the first domain name are automatically generated, solving in the prior art cannot be real The problem of scheme of existing NRF discovery NF, NRF is realized according to the automatic registration process of NF and generates DNS record, and ensure that NRF The function of automatic discovery NF.

Detailed description of the invention

Fig. 1 is the structural schematic diagram between a kind of DNS and EPC network provided in an embodiment of the present invention；

Fig. 2 is a kind of system architecture schematic diagram of 5G network provided in an embodiment of the present invention；

Fig. 3 is a kind of flow diagram of information processing method provided in an embodiment of the present invention；

Fig. 4 is the flow diagram of another information processing method provided in an embodiment of the present invention；

Fig. 5 is the flow diagram of another information processing method provided in an embodiment of the present invention；

Fig. 6 be another embodiment of the present invention provides a kind of information processing method flow diagram；

Fig. 7 is a kind of application scenarios schematic diagram of information processing method provided in an embodiment of the present invention；

Fig. 8 is the application scenarios schematic diagram of another information processing method provided in an embodiment of the present invention；

Fig. 9 is the application scenarios schematic diagram of another information processing method provided in an embodiment of the present invention；

Figure 10 be another embodiment of the present invention provides a kind of information processing method application scenarios schematic diagram；

Figure 11 be another embodiment of the present invention provides another information processing method application scenarios schematic diagram；

Figure 12 be another embodiment of the present invention provides another information processing method application scenarios schematic diagram；

Figure 13 be another embodiment of the present invention provides another information processing method application scenarios schematic diagram；

Figure 14 is a kind of structural schematic diagram of NRF provided in an embodiment of the present invention；

Figure 15 is the structural schematic diagram of provenance AMF provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.

Firstly, under introducing in traditional mobile communications network, name server (Domain Name System, DNS) With the relationship between traditional evolution block core (Evolved Packet Core, EPC) network: as shown in Figure 1, for DNS with Structural schematic diagram between EPC network, wherein for example mobile management entity (Mobility Management Entity, When MME) adhering to, DNS is identified according to the unique interim UE in the whole world of the terminal (User Equipment, UE) received (Globally Unique Temporary UE Identity, GUTI) generates old MME domain name to inquire the address of the old MME, Realize the communication between new MME and old MME, or in public data network (Public Data Network, PDN) connection, DNS generates domain name according to tracking area (Tracking Area, TA) and access point (Access Point Name, APN) to realize The address of query service gateway (Serving GateWay, SGW) and public data gateway (PDN GateWay, SGW) is realized Communication between MME and SGW and SGW.In traditional general packet radio service (General Packet Radio Service, GPRS) or EPC network in, one side DNS is not a part of network, on the other hand in order to realize between network element Access, it usually needs a large amount of domain name data is configured on DNS to realize the parsing work of domain name, while certain net element informations Change such as increase interface support may also need on DNS change domain name configuration, thus be network O&M bring it is very big Workload.

As shown in Fig. 2, no longer there is DNS in 5G network, UE can be with access and mobile management function to ps domain (Access And Mobility Management Function, AMF) communication, (wireless) access net ((Radio) can also be passed through Access Network, (R) AN) communicated with AMF, can with (R) AN and user-plane function (User Plane Function, UPF it) communicates, then data network (Data Network, DN) is used by UPF, or pass through UPF and conversation management functional (Session Management Function, SMF) is communicated；Authentication server function (Authentication Server Function, AUSF), AMF, SMF, network opening function (Network Exposure Function, NEF), NRF, policy control functions (Packet Control Function, PCF), uniform data management (Unified Data Management, UDM) and application function (Application Function, AF) etc. and corresponding interface and application it is total Line connection, to realize information exchange.Wherein, NF includes the function of the realizations such as AUSF, AMF and SMF.The present invention proposes that NF is corresponding It is to carry out in NRF, and NRF generates corresponding domain name record when the corresponding function of NF is registered that function, which carries out registration, And it stores.

Based on the system architecture of 5G network shown in Fig. 2, the embodiment of the present invention provides a kind of information processing method, referring to figure Shown in 3, method includes the following steps:

Step 101 receives the first registration request that the first function is sent.

Wherein, the first function is mainly used for realizing Network Management Function, carries the first function in the first registration request Fisrt feature parameter.

In embodiments of the present invention, the first registration request that step 101 receives that the first function is sent can be by NRF Lai real It is existing.First function includes the functions such as AMF, SMF or MME.First registration request be the first function in order to be automatically registered in NRF when The registration request sent to NRF；It can be what the first function when the first function is registered to NRF for the first time was sent to NRF, can also be The first function just sends registration request to NRF after at regular intervals, to keep capable of being found by UE or base station for the first function. Fisrt feature parameter is the resource record information of the first function, including NF type belonging to the first function, belonging to the first function The network function identity of public land mobile network (Public Land Mobile Network, PLMN), the first function (Network Function Identity, NFID), the network protocol address (Internet Protocol, IP) and port letter The resource record name information etc. that breath and the first function are supported.

Step 102, according to the first registration request, the first domain name corresponding with the first function is generated based on fisrt feature parameter And the first domain name corresponding domain name record.

In embodiments of the present invention, step 102 is generated and the first function according to the first registration request based on fisrt feature parameter Corresponding first domain name of energy and the corresponding domain name record of the first domain name can be realized by NRF.The corresponding domain name note of first domain name Record is DNS domain name record, including name authority pointer (Naming Authority Pointer, NAPTR) resource record, service Position (SRV) resource record and host (HOST) resource record.NRF based on the first function of being carried in the first registration request One characteristic parameter generates the first domain name and the corresponding domain name record of the first domain name of the first function.

Step 103, transmission are used to indicate the registration succeeded in registration and respond to the first function.

Wherein, registration response is for when the first function is source access and mobile management function to ps domain AMF, instruction source AMF to be raw The second domain is obtained at the second domain name corresponding with the first operation requests received, and from the corresponding domain name record of the first domain name The corresponding domain name record of name.

In embodiments of the present invention, step 103 transmission be used to indicate that the registration succeeded in registration responds can be with to the first function It is realized by NRF.After NRF generates the domain name record of the first function, registration response is sent to the first function so that NRF is in subsequent behaviour The first function is found in work.

Information processing method provided by the embodiment of the present invention, after receiving the first registration request that the first function is sent, root According to the first registration request, and it is corresponding based on fisrt feature parameter generation the first domain name corresponding with the first function and the first domain name Domain name record, finally transmission is used to indicate the registration succeeded in registration and responds to the first function；In this way, NRF receives the first function hair The first registration request sent, and corresponding first domain of the first function is automatically generated according to the first registration request that the first function is sent Name and the corresponding domain name record of the first domain name, solve the problems, such as to can not achieve the scheme of NRF discovery NF in the prior art, realize NRF generates DNS record according to the automatic registration process of NF, and ensure that NRF has found the function of NF automatically.

Based on previous embodiment, the embodiment of the present invention provides a kind of information processing method, referring to shown in Fig. 4, this method packet Include following steps:

After what step 201, reception NRF were sent is used to indicate the registration response succeeded in registration, the first operation requests are received.

Wherein, the first operation requests carry identification information.

In embodiments of the present invention, it after what step 201 reception NRF was sent is used to indicate the registration response succeeded in registration, connects Receiving the first operation requests can be realized by source AMF.First operation requests can be the equipment such as UE or base station and be sent to source AMF , corresponding first operation is executed for request source AMF, such as can be and be updated register flow path or switching flow etc.. It should be noted that source AMF is currently provides the AMF of service for equipment such as UE or base stations.

Step 202 obtains the second domain name based on the domain name that identification information generates the second function, and sends and carry the second domain The inquiry request of name is to NRF.

In embodiments of the present invention, the domain name that step 202 generates the second function based on identification information obtains the second domain name, and It sends and carries the inquiry request of the second domain name and can be realized by source AMF to NRF.Identification information can be the correlated characteristic of UE The characteristic information of information either base station, such as may include the identification information of UE and the temporary identifier information of UE, or It is the identification information for the target BS that need to be switched to.Second function includes target AMF or SMF；It can be and distribute interim mark for UE The function of knowledge or be capable of handling target BS related service function.Source AMF is based on the create-rule of domain name according to reception The identification information that arrives generate the domain name of the second function to the second domain name.In different application scenarios, target AMF is different, In application scenes, target AMF is to provide the AMF of service before the AMF of source for equipment such as UE or base stations, in some applied fields Jing Zhong, target AMF be source AMF determine will provide the AMF of service for equipment such as UE or base stations.

Step 203 receives the corresponding domain name record of the second domain name that NRF is sent, and is based on the corresponding domain name of the second domain name Record establishes communication linkage with the second function.

Wherein, the corresponding domain name record of the second domain name is that NRF is obtained based on the second domain name in the inquiry request received 's.

In embodiments of the present invention, step 203 receives the second domain name corresponding domain name record that NRF is sent, and based on the The corresponding domain name record of two domain names establishes communication linkage with the second function can be realized by source AMF.Source AMF receives NRF hair After the second domain name record sent, is recorded based on the second domain name and determine the second function and establish communication linkage with the second function, thus Realize the communication linkage between UE or base station and the second function.

Information processing method provided by the embodiment of the present invention, what source AMF received that NRF sends, which be used to indicate, succeeds in registration After registration response, after receiving the first operation requests, the domain name for generating the second function based on identification information obtains the second domain name, concurrently It send the inquiry request for carrying the second domain name to NRF, then receives the corresponding domain name record of the second domain name that NRF is sent, and base Communication linkage is established with the second function in the corresponding domain name record of the second domain name；In this way, source AMF can after source AMF is registered to NRF To receive the first operation requests, and the second domain name of the second function is generated according to the identification information carried in the first operation requests, Domain name record corresponding with the second domain name is obtained from NRF with this, and communication chain is established with the second function according to domain name record It connects, solves the problems, such as to can not achieve the scheme of NRF discovery NF in the prior art, realize NRF and registered according to the automatic of NF Cheng Shengcheng DNS record, and ensure that NRF has found the function of NF automatically.

Based on previous embodiment, the embodiment of the present invention provides a kind of information processing method, is mainly used for the first function to NRF In the application scenarios registered, can quickly find the first function in order to subsequent, referring to Figure 5, this method include with Lower step:

Step 301, NRF receive the first registration request that the first function is sent.

In embodiments of the present invention, fisrt feature parameter includes the identity of resource record title and the first function.With First function is illustrated for AMF, when the first function is any one AMF, the content packet that is carried in the first registration request Include NF type be AMF, NFID, IP and port information of the PLMN where AMF, AMF, AMF support resource record title, including And it is not limited to the TA supported, the network of support slice mark (Network Slice Identity, NSI), the domain AMF, AMF set And AMF mark etc..

When AMF is automatically registered in NRF, AMF sends the first registration request to NRF to initiate registration process.First registration The fisrt feature parameter carried in request includes: PLMN belonging to AMF, such as can be denoted as mncxxx.mccxxx；Belonging to AMF Identity be NFID for example can be AMF001-N14；The corresponding resource record title of AMF includes TA mark, NSI, host (Adress, A) corresponding IP address, the domain AMF, AMF set and AMF mark etc., wherein TA mark can be denoted as tac- Lbxx.tac-hbxx.tac, NSI can be denoted as NSIxxx, and the corresponding IP address of A can be 10.10.10.10, the domain AMF, AMF Together with set can recorde with AMF mark, the domain AMF, AMF set and AMF mark representation be can be AMFRegionxxx.AMFSetxxx.AMFPointerxxx；Wherein, AMFRegionxxx can indicate the domain AMF, AMFSetxxx It can indicate that AMF gathers, AMFRegionxxx can indicate that AMF is identified.It should be noted that " x " in above-mentioned mark is in reality It can be replaced according to the actual situation in use process, can be specific number etc..

Wherein, step 302-305, which can be, is performed simultaneously；

Step 302, NRF generate the first domain name according to the first registration request for the first function.

In embodiments of the present invention, NRF responds the first registration request that AMF is sent, can be according in the first registration request The PLMN information mncxxx.mccxxx of carrying generates the first domain name, such as the first domain of agreement according to the format made an appointment Name format is AMF.5G.mncxxx.mccxxx.3gppnetwork.org.

The identity of step 303, NRF based on resource record title and the first function, obtains name authority pointer NAPTR Record.

In embodiments of the present invention, the identity of the first function is NFID, a kind of code form of expression of NAPTR record It can be with are as follows: resource record title IN NAPTR m n " s " " x-3gpp-amf:x-N14 " NFID. resource record title.Wherein, m Order is represented, n represents priority, and m and n can change according to concrete configuration；The x-3gpp- in x-3gpp-amf:x-N14 Amf:x is the communication protocol of agreement, and N14 is the interface identifier of AMF, remaining is the format appointed.

Illustratively, if the resource record title of AMF includes: the domain AMF, AMF set, AMF mark, the domain AMF, AMF set It can be expressed as AMFPxxx.AMFSetxxx.AMFRegionxxx with AMF mark, the NFID of AMF is AMF001-N14, is used The domain AMF, AMF set, the NAPTR record that the NFID of AMF mark and AMF are obtained can be with are as follows: AMFPxxx.AMFSetxxx.AMFRegionxxx IN NAPTR 100 100“s”“x-3gpp-amf:x-N14”AMF001- N14.AMFPxxx.AMFSetxxx.AMFRegionxxx；

The NFID of (i.e. tac-lbxx.tac-hbxx.tac) and AMF are identified (i.e. using the resource record title TA of AMF AMF001-N14 the NAPTR record) obtained can be with are as follows: tac-lbxx.tac-hbxx.tac IN NAPTR 100 100 " s " " x- 3gpp-amf:x-N14"AMF001-N14.tac-lbxx.tac-hbxx.tac；

It is obtained using the NFID (i.e. AMF001-N14) of the resource record title NSI (i.e. NSIxxx) and AMF of AMF NAPTR record can be with are as follows: NSIxxx IN NAPTR 100 100 " s " " x-3gpp-amf:x-N14 " AMF001- N14.NSIxxx。

Step 304, NRF are handled to obtain service position based on the identity of resource record title and the first function SRV record.

In embodiments of the present invention, a kind of code form of expression of SRV record can be with are as follows: NFID. resource record title IN SRV l p 2123NFID；Wherein, l is priority weighting, and p is that priority, l and p can change according to concrete configuration situation Become.

Illustratively, using the resource record title (i.e. AMFPxxx.AMFSetxxx.AMFRegionxxx) and AMF of AMF The obtained SRV record of NFID (i.e. AMF001-N14) can be with are as follows: AMF001- N14.AMFPxxx.AMFSetxxx.AMFRegionxxx IN SRV 10 10 2123AMF001-N14；

The NFID of (i.e. tac-lbxx.tac-hbxx.tac) and AMF are identified (i.e. using the resource record title TA of AMF AMF001-N14 the SRV record) obtained can be with are as follows: AMF001-N14.tac-lbxx.tac-hbxx.tac IN SRV 10 10 2123AMF001-N14；

The SRV obtained using the NFID (i.e. AMF001-N14) of the resource record title NSI (i.e. NSIxxx) and AMF of AMF Record can be with are as follows: 10 10 2123AMF001-N14 of AMF001-N14.NSIxxx IN SRV.

The Protocol IP address interconnected between the network of step 305, NRF identity and the first function based on the first function Obtain host HOST record.

In embodiments of the present invention, a kind of code form of expression of HOST record can be with are as follows: NFID IN A IP；Wherein, A It identifies host (Adress).

HOST record: AMF001-N14IN A is obtained using the NFID of the corresponding IP address of the host A of AMF and AMF 10.10.10.10。

Step 306, NRF transmission are used to indicate the registration succeeded in registration and respond to the first function.

Wherein, the first operation that registration response is generated and received for when the first function is source AMF, indicating source AMF Corresponding second domain name is requested, and obtains the corresponding domain name record of the second domain name from from the corresponding domain name record of the first domain name.

It should be noted that the explanation in the present embodiment with same steps in other embodiments or concept, is referred to Description in other embodiments, details are not described herein again.

Based on previous embodiment, the embodiment of the present invention also provides a kind of information processing method, in embodiments of the present invention, source AMF has used network method provided by present invention to be registered in NRF, generated in NRF with source AMF and The corresponding domain name record such as the second function, referring to shown in Fig. 6, method includes the following steps:

Step 401, source AMF receive NRF transmission be used to indicate succeed in registration registration response after, receive first operation Request.

Wherein, the first operation requests carry identification information.

In embodiments of the present invention, source AMF is in NRF after successful registration, source AMF can receive UE transmission for asking The first operation requests for being used to request switching base station for asking the first operation requests for updating register flow path or base station to send.It is corresponding The GUTI of UE is carried in the first operation requests that UE is sent, and carries target BS in the first operation requests that base station is sent Identification information.That is the identification information carried in the first operation requests includes the temporary identifier information of UE or the body of target BS Part identification information etc..

Step 402, source AMF obtain the second domain name based on the domain name that identification information generates the second function, and send and carry The inquiry request of second domain name is to NRF.

In embodiments of the present invention, source AMF is obtained according to identification information according to the domain name that certain format generates the second function Second domain name.

Step 403, NRF receive the inquiry request for being used to indicate inquiry of the domain name that source AMF is sent.

Wherein, the second domain name is carried in inquiry request.

Step 404, NRF carry out domain name record queries based on the second domain name and obtain and the second domain name pair according to inquiry request The domain name record answered.

In embodiments of the present invention, the inquiry request that NRF is sent according to AMF, such as what is carried in inquiry request is second The second domain name of function, e.g. target AMF, that is, upper AMF that service is provided for UE is When AMFPxxx.AMFSetxxx.AMFRegionxxx, is such as inquired from the domain name record in step 303, obtain NAPTER The domain name of type records AMF001-N14.AMFPxxx.AMFSetxxx.AMFRegionxxx, according to the domain name of the NAPTR type Record obtains the domain name record AMF001-N14 of SRV type from step 304, finally may be used according to the domain name of SRV type record To obtain HOST record 10.10.10.10 from step 305.

Step 405, NRF send the corresponding domain name of the second domain name and record to source AMF.

In embodiments of the present invention, obtained HOST can be recorded 10.10.10.10, SRV and record AMF001-N14 by NRF And/or NAPTR record AMF001-N14.AMFPxxx.AMFSetxxx.AMFRegionxxx is sent to AMF.

Step 406, source AMF receive the corresponding domain name record of the second domain name that NRF is sent, and corresponding based on the second domain name Domain name record establishes communication linkage with the second function.

In embodiments of the present invention, source AMF can record 10.10.10.10 according to HOST and target AMF establishes communication chain It connects, continues the subsequent register update process of Wang Cheng.

In other embodiments of the present invention, step 402 can be realized by following steps:

If step 402a1, identification information is not the identification information of source AMF distribution, source AMF is based on identification information and generates second The domain name of function obtains the second domain name.

In embodiments of the present invention, if identification information is source AMF distribution, without executing subsequent step, UE or base station It is directly communicated with source AMF, realizes related communication process.

When identification information is the GUTI of UE, such as GUTI can be the 5G GUTI, 5G distributed after UE is registered GUTI can be expressed as<5G-GUTI>:=<MCC><MNC><AMF Region ID><AMF Set ID><AMF Pointer>< 5G-TMSI>；Source AMF judges that the GUTI of UE is that source AMF itself matches；If the GUTI of UE is not source AMF itself distribution, Then source AMF obtains the second domain name according to the domain name of the GUTI of the UE target AMF for being generated as UE distribution GUTI, such as the second domain name can To be AMFPxxx.AMFSetxxx.AMFRegionxxx, wherein when the second domain name according in 5G GUTI < AMF Region ID><AMF Set ID><AMF Pointer>determination obtains.

When identification information is the identification information of base station, source AMF determine source base station send first request in carry Target BS identification information not the source AMF processing base station identity identification information in, then source AMF is according to target TA information (for example, tac-lbxx.tac-hbxx.tac) and PLMN information in the identification information of base station are (for example, Mncxxx.mccxxx), the domain name for generating target AMF obtains the second domain name；For example, the second domain name is tac-lbxx.tac- Hbxx.tac.AMF.5G.mncxxx.mccxxx.3gppnetwork.org, remaining is the fixed format of 5G domain name.

Step 402a2, source AMF, which is sent, carries the inquiry request of the second domain name to NRF.

Alternatively, in other embodiments of the present invention, step 402 can also be realized by following steps:

Step 402b1, source AMF sends the request instruction for solicited message to NSSF.

Wherein, request instruction carries identification information.

In embodiments of the present invention, solicited message can be the request instruction for requesting NSI information.

Step 402b2, source AMF receives the network slice mark NSI that NSSF is sent.

Wherein, NSI is that NSSF is obtained based on the identification information carried in request instruction.

In embodiments of the present invention, UDM obtains corresponding NSI based on the 2nd NSSAI received from UDM, and sends To source AMF.

Step 402b3, source AMF is based on the first operation requests and NSI generates the second domain name, and sends and carry the second domain name Inquiry request to NRF.

In embodiments of the present invention, source AMF responds the first operation requests, and generates the second domain name based on the NSI received.

Alternatively, in other embodiments of the present invention, step 402b1 can be accomplished by the following way:

The identification information of A1, source AMF based on UE obtains first network slice selection from uniform data management UDM Auxiliary information NSSAI.

Wherein, identification information includes the identification information of UE, and the first NSSAI is the signing NSSAI of UE.

If the 2nd NSSAI carried in A2, the first NSSAI and the first operation requests is mismatched, source AMF sends request instruction Selection function NSSF is sliced to network.

In embodiments of the present invention, the 2nd NSSAI is the requested request NSSAI of UE.Source AMF can be based on local plan Slightly, whether it is to belong to source AMF processing that the first NSSAI and the 2nd NSSAI carry out the decision UE, if being not belonging to source AMF processing, Source AMF sends the request instruction for carrying the first NSSAI and the 2nd NSSAI to NSSF.

Correspondingly, step 402b3 can be accomplished by the following way:

If B1, the first operation requests are initial registration requests, source AMF obtains second based on the NSI domain name for generating target AMF Domain name.

Wherein, the second function is target AMF.

In embodiments of the present invention, if the first operation requests are the initial registration request that UE is sent to source AMF, source AMF The second domain name is obtained according to the domain name that the NSI received generates the target AMF of fixed format, such as the second domain name can be NSIxxx.AMF.5G.mncxxx.mccxxx.3gppnetwork.org, wherein NSIxxx represents NSI, mncxxx.mccxxx For PLMN information, remaining is preset fixed format.

B2, source AMF, which are sent, carries the inquiry request of the second domain name to NRF.

Alternatively, in other embodiments of the present invention, 402b3 can be accomplished by the following way:

If C1, the first operation requests are the requests of protocol Data Unit PDU session establishment, source AMF obtains PDU session establishment and asks Seek the data network title DNN of middle carrying.

In embodiments of the present invention, if the first operation requests are the PDU session establishment requests that UE is sent to source AMF, wherein DNN and network slice selection auxiliary information S-NSSAI are carried in the request of PDU session establishment；Source AMF sends to NSSF and carries For the request instruction of S-NSSAI to request slice information, NSSF is concurrent based on the corresponding NSI of S-NSSAI acquisition in request instruction It send to source AMF, source AMF and obtains the DNN carried in the request of PDU session establishment.

C2, source AMF obtain the second domain name based on the NSI and DNN domain name for generating SMF.

Wherein, the second function is SMF.

In embodiments of the present invention, source AMF obtains the second domain name, such as second based on the NSI and DNN domain name for generating SMF Domain name can be DNNxxx.NSIxxx.SMF.5G.mncxxx.mccxxx.3gppnetwork.org.

C3, source AMF, which are sent, carries the inquiry request of the second domain name to NRF.

It may include appointing the embodiment of the invention also provides a kind of application scenarios of information processing method, in the application scenarios Meaning AMF is automatically registered to NRF, and the DNS record of any AMF is generated in NRF, as shown in fig. 7, comprises following steps:

Step 501, AMF send registration request to NRF, and the type that NF is carried in the registration request is AMF, where AMF PLMN, NFID, IP and port information of AMF, AMF support resource record name information, include but not limited to support TA, The registration information of the information such as the domain NSI, AMF, AMF set and the AMF mark of support.Wherein, the AMF in the present embodiment is any one A AMF.

The registration information carried in the registration request that step 502, NRF are sent according to AMF generates the domain name record of DNS.

Wherein, the domain name record of DNS is as follows:

$ ORIGIN AMF.5G.mncxxx.mccxxx.3gppnetwork.org. // some domain

AMFCxxx.AMFGIxxx IN NAPTR 100 100“s”“x-3gpp-amf:x-N14”AMF001- N14.AMFCxxx.AMFSetxxx.AMFRegionxxx//the domain resource record title AMF, AMF set and AMF mark based on AMF The NAPTR record that the NFID of knowledge and AMF are obtained

tac-lbxx.tac-hbxx.tac IN NAPTR 100 100“s”“x-3gpp-amf:x-N14”AMF001- N14.tac-lbxx.tac-hbxx.tac//resource record title TA mark and AMF based on AMF NFID is obtained NAPTR record

NSIxxx IN NAPTR 100 100 " s " " x-3gpp-amf:x-N14 " AMF001-N14.NSIxxx//be based on The NAPTR record that the NFID of resource record the title NSI and AMF of AMF are obtained

AMF001-N14.AMFCxxx.AMFSetxxx.AMFRegionxxx IN SRV 10 10 2123 AMF001- The SRV record that the N14//domain resource record title AMF, AMF set and AMF mark and AMF based on AMF NFID is obtained

10 10 2123AMF001-N14/ of AMF001-N14.tac-lbxx.tac-hbxx.tac IN SRV/be based on AMF Resource record title TA mark and AMF NFID obtain SRV record

10 10 2123AMF001-N14/ of the AMF001-N14.NSIxxx IN SRV/resource record title based on AMF The SRV record that the NFID of NSI and AMF is obtained

AMF001-N14IN A 10.10.10.10. // resource record title AMF based on AMF NFID and IP address Obtained HOST record.

Step 503, NRF send the registration that instruction is succeeded in registration and respond to AMF.

The embodiment of the invention also provides the application scenarios of another information processing method, the application scenarios include SMF from It is dynamic to be registered to NRF, the DNS record of SMF is generated in NRF, as shown in Figure 8, comprising the following steps:

Step 601, SMF send registration request to NRF, and the type that NF is carried in the registration request is SMF, where SMF PLMN, NFID, IP and port information of SMF, SMF support resource record name information, include but not limited to support DNN And the registration information of the information such as SMF mark；

The registration information carried in the registration request that step 602, NRF are sent according to SMF generates the domain name record of DNS.

Wherein, the domain name record of DNS is as follows:

$ ORIGIN SMF.5G.mncxxx.mccxxx.3gppnetwork.org. // some domain

DNNxxx.NSIxxx IN NAPTR 100 100“s”“x-3gpp-smf:x-N11”SMF001- The NAPTR record that N11.DNNxxx.NSIxxx//resource record title DNN and SMF based on SMF NFID is obtained

10 10 2123SMF001-N11/ of the SMF001-N11.DNNxxx.NSIxxx IN SRV/resource note based on SMF The SRV record that the NFID of record title DNN and SMF are obtained

The HOST note that SMF001-N11IN A 11.11.11.11//NFID and SMF based on SMF IP address obtains Record.

Step 603, NRF send the registration that instruction is succeeded in registration and respond to SMF.

The embodiment of the invention also provides the application scenarios of another information processing method, the application scenarios include MME from It is dynamic to be registered to NRF, the DNS record of MME is generated in NRF, as shown in Figure 9, comprising the following steps:

Step 701, MME send registration request to NRF, and the type that NF is carried in the registration request is MME, where MME PLMN, NFID, IP and port information of MME, MME support resource record name information, include but not limited to support TA, The registration information of the information such as MME group mark and MME mark.

The registration information carried in the registration request that step 702, NRF are sent according to MME generates the domain name record of DNS.

Wherein, the domain name record of DNS is as follows:

$ ORIGIN epc.mncxxx.mccxxx.3gppnetwork.org. // some domain

mmecxxx.mmegixxx.mme IN NAPTR 100 100“s”“x-3gpp-mme:x-s10”mme001- The resource record title MME group mark and MME mark of s10.mmecxxx.mmegixxx.mme//based on MME and MME's The NAPTR record that NFID is obtained

tac-lbxx.tac-hbxx.tac IN NAPTR 100 100“s”“x-3gpp-amf:x-N14”mme001- S10.tac-lbxx.tac-hbxx.tac//resource record title TA mark and MME based on MME NFID is obtained NAPTR record

10 10 2123mme001-s10/ of mme001-s10.mmecxxx.mmegixxx.mme IN SRV/be based on MME Resource record title MME group mark and MME mark and MME NFID obtain SRV record

10 10 2123mme001-s10/ of mme001-s10.tac-lbxx.tac-hbxx.tac IN SRV/be based on MME Resource record title TA mark and MME NFID obtain SRV record

The HOST record that the NFID and IP of mme001-s10IN A 10.10.10.10//based on MME is obtained

Step 703, NRF send the registration that instruction is succeeded in registration and respond to MME.

In this way, being recorded by the DNS that NRF is generated, NRF can satisfy the interoffice attachment of MME, tracing section updating It is, for example, the inquiry request for the upper MME that UE provides service, office that target MME is looked for when (Tracking Area Update, TAU) Between switch when by NRF obtain source MME be currently received UE access request MME inquiry request.

Another embodiment of the present invention additionally provides a kind of application scenarios of information processing method, the application scenarios include across The process of the more new registration of AMF inquires target AMF process by NRF by source AMF, as shown in Figure 10, including following step It is rapid:

Step 801, UE send more new registration request to source AMF, and the temporary identifier of UE is carried in the more new registration request Information GUTI.

Step 802, source AMF are distributed according to the GUTI decision GUTI non-source AMF itself of UE, and source AMF is provides currently for UE The AMF of service generates the domain name of target AMF according to temporary identifier information.Wherein, in embodiments of the present invention, target AMF is source The AMF of service is provided for UE before AMF, the domain name of target AMF may is that AMFPxxx.AMFSetxxx.AMFRegionxxx.AMF.5G.mncxxx.mccxxx.3gppnetwork.org。

Step 803, source AMF send DNS query and request to NRF, and the above-mentioned domain of generation is carried in DNS query request Name.

Step 804, NRF are retrieved according to the above-mentioned domain name of carrying, obtained search result.

Wherein, search result is as follows:

According to the domain name AMFCxxx.AMFSetxxx.AMFRegionxxx of target AMF, obtained from the domain name of NRF record The NAPTR of target AMF is recorded as AMF001-N14.AMFCxxx.AMFSetxxx.AMFRegionxxx；

AMF001-N14.AMFCxxx.AMFSetxxx.AMFRegionxxx is recorded according to the NAPTR of target AMF, from NRF Domain name record in obtain target AMF SRV be recorded as AMF001-N14；

AMF001-N14 is recorded according to the SRV of above-mentioned target AMF, the HOST of target AMF is obtained from the domain name of NRF record It is recorded as 10.10.10.10.

Step 805, NRF send the response of DNS query request to source AMF.

Wherein, above-mentioned search result is carried in the response of DNS query request.

The search result in response that step 806, source AMF are requested according to DNS query sends context request to target AMF, to establish communication linkage.

Step 807, target AMF, source AMF, UDM continue to complete subsequent update register flow path, detailed process herein not into Row narration in detail.

Another embodiment of the present invention additionally provides the application scenarios of another information processing method, which includes UE Initial registration procedure, as shown in figure 11, comprising the following steps:

Step 901, UE send initial registration request to source AMF.

Wherein, request NSSAI is carried in initial registration request.

Step 902, source AMF and UDM carry out information exchange, obtain the corresponding signing NSSAI of UE.

Step 903, source AMF carry out localization process according to the NSSAI, signing NSSAI and local policy decision of request, reset The terminal corresponding business in position is handled by target AMF.

In embodiments of the present invention, target AMF is will provide the AMF of service for UE.

Step 904, source AMF send the request instruction for request NSI to NSSF.

Wherein, request NSSAI and signing NSSAI are carried in the request instruction.

Step 905, NSSF obtain corresponding NSI list information according to request NSSAI and signing NSSAI, and send NSI column Table information is to source AMF.

Step 906, source AMF generate the domain name of target AMF according to the NSI list information received.

For example, the domain name of target AMF is as follows:

NSIxxx.AMF.5G.mncxxx.mccxxx.3gppnetwork.org。

Step 907, source AMF send DNS query and request to NRF.

Wherein, the domain name of target AMF is carried in DNS query request.

Step 908, NRF are retrieved according to the domain name of target AMF, obtained search result.

Wherein, search result can be as follows:

It is recorded as according to the NSIxxx in the domain name of target AMF, the NAPTR that target AMF is obtained from the domain name of NRF record AMF001-N14.NSIxxx；

AMF001-N14.NSIxxx is recorded according to the NAPTR of target AMF, obtains target AMF from the domain name of NRF record SRV be recorded as AMF001-N14；

AMF001-N14 is recorded according to the SRV of target AMF, the HOST record of target AMF is obtained from the domain name of NRF record For 10.10.10.10.

Step 909, NRF send the response of DNS query request to source AMF.

Step 910, source AMF determine target AMF according to above-mentioned search result, by completely new wireless (NewRadio, NR) or Redirection request is directly transmitted to target AMF.

Step 911, target AMF, UDM continue to complete subsequent register flow path, are not be described in detail herein.

Another embodiment of the present invention additionally provides the application scenarios of another information processing method, which includes cutting The process of AMF is changed, as shown in figure 12, comprising the following steps:

Step 1001, source base station handover request to source AMF by source NR transmission.

Wherein, the information that target BS is carried in the switching request, such as target BS identification information (Target Identify, TargetId).

Step 1002, source AMF decision TargetId are not belonging to source AMF processing, and source AMF generates target according to TargetId The domain name of AMF.

Wherein, the domain name of target AMF is as follows:

tac-lbxx.tac-hbxx.tac.AMF.5G.mncxxx.mccxxx.3gppnetwork.org。

Step 1003, source AMF send DNS query and request to NRF.

Wherein, the domain name of target AMF is carried in DNS query request.

Step 1004, NRF according to DNS query request in the domain name of target AMF that carries retrieved, obtained retrieval knot Fruit.

Wherein, search result is as follows:

According to the tac-lbxx.tac-hbxx.tac in the domain name of target AMF, target is obtained from the domain name of NRF record The NAPTR of AMF is recorded as AMF001-N14.tac-lbxx.tac-hbxx.tac；

AMF001-N14.tac-lbxx.tac-hbxx.tac is recorded according to the NAPTR of target AMF, is remembered from the domain name of NRF The SRV that target AMF is obtained in record is recorded as AMF001-N14；

Step 1005, NRF send the response of DNS query request to source AMF.

Step 1006, source AMF send context request to target AMF, to establish communication chain according to above-mentioned search result It connects.

Step 1007, target AMF and source AMF etc. continue to complete subsequent switching flow.It is not explained herein.

The embodiment of the invention also provides a kind of application scenarios of information processing method, which includes establishing PDU When session, source AMF has found the process of SMF by NRF, as shown in figure 13, comprising the following steps:

Step 1101, UE send PDU session establishment by NR and request to source AMF.

Wherein, DNN, S-NSSAI information are carried in the request of PDU session establishment.

Step 1102, source AMF are sent for requesting the request instruction of NSI to NSSF.

Wherein, S-NSSAI is carried in the request instruction.

Step 1103, NSSF obtain corresponding NSI list information based on the S-NSSAI carried in request instruction, and send The NSI list information is to source AMF.

Step 1104, source AMF are generated according to the DNN carried in NSI list information and PDU the session establishment request received The domain name of SMF.

Wherein, the domain name of SMF is for example are as follows:

DNNxxx.NSIxxx.SMF.5G.mncxxx.mccxxx.3gppnetwork.org。

Step 1105, source AMF send DNS query and request to NRF.

Wherein, the domain name of SMF obtained above is carried in DNS query request.

Step 1106, NRF are retrieved according to the domain name of SMF, obtain search result.

Wherein, search result is as follows:

It is recorded as according to the DNNxxx.NSIxxx in the domain name of SMF, the NAPTR that SMF is obtained from the domain name of NRF record SMF001-N11.DNNxxx.NSIxxx；

SMF001-N11.DNNxxx.NSIxxx is recorded according to the NAPTR of SMF, obtains SMF's from the domain name of NRF record SRV record is SMF001-N11；

SMF001-N11 is recorded according to the SRV of SMF, the HOST record of SMF is obtained from the domain name of NRF record, is 11.11.11.11。

Step 1107, NRF send the response of DNS query request to source AMF.

Step 1108, source AMF determine SMF according to above-mentioned search result, and initiate N11SM request to SMF.

Step 1109, UE, base station, source AMF, SMF, UPF continue to complete subsequent PDU session establishment process；Herein not into Row detailed description.

The embodiment of the present invention provides a kind of NRF 12, can be applied to a kind of information that the corresponding embodiment of Fig. 3,5-13 provides In processing method, referring to Fig.1 shown in 4, which includes: first processor 121, first memory 122 and the first communication bus 123, in which:

First communication bus 123 is for realizing the connection communication between first processor 121 and first memory 122；

First processor 121 is for executing the message handling program stored in first memory 122, to realize following step It is rapid:

Receive the first registration request of the first function transmission；Wherein, the first function is mainly used for realizing Network Management Function, The fisrt feature parameter of the first function is carried in first registration request；

According to the first registration request, the first domain name corresponding with the first function and the first domain are generated based on fisrt feature parameter The corresponding domain name record of name；

Transmission is used to indicate the registration succeeded in registration and responds to the first function；Wherein, registration response is for when the first function When being source access and mobile management function to ps domain AMF, instruction source AMF generates the second domain corresponding with the first operation requests received When name, and the corresponding domain name record of the second domain name is obtained from the corresponding domain name record of the first domain name.

In other embodiments of the present invention, first processor 121 is also used to execution information processing routine, to realize following step It is rapid:

According to the first registration request, the first domain name is generated for the first function；

Identity based on resource record title and the first function obtains name authority pointer NAPTR record and service bit Set SRV record；

Identity based on the first function and the Protocol IP address interconnected between the network of the first function obtain host HOST record.

In other embodiments of the present invention, transmission is used to indicate the registration succeeded in registration and responds to the first function, the One processor 121 is also used to execution information processing routine, to perform the steps of

The inquiry request for being used to indicate inquiry of the domain name that reception source AMF is sent；Wherein, the second domain is carried in inquiry request Name；

According to inquiry request, domain name record queries are carried out based on the second domain name and obtain domain name note corresponding with the second domain name Record；

The corresponding domain name of the second domain name is sent to record to source AMF.

In other embodiments of the present invention, the resource record name when the first function is any AMF, in fisrt feature parameter Claim to include the domain AMF and AMF set and AMF identification record title, tracing area TA record name and network slice mark NSI record Title；Any AMF includes source AMF；

When the first function is conversation management functional SMF, the resource record title in fisrt feature parameter includes data network Network DNN and SMF identification record title；

When the first function is mobile management entity MME, the resource record title in fisrt feature parameter includes MME group mark Know and MME identification record title and TA record name.

It should be noted that the interactive process in the present embodiment between each unit and device, is referred to Fig. 3,5-13 couple Interactive process in the embodiment answered and a kind of information processing method provided by the above embodiment, details are not described herein again.

NRF provided by the embodiment of the present invention, after receiving the first registration request that the first function is sent, according to the first registration Request, and the first domain name corresponding with the first function and the corresponding domain name record of the first domain name are generated based on fisrt feature parameter, Finally transmission is used to indicate the registration succeeded in registration and responds to the first function；In this way, NRF receives the first note that the first function is sent Volume request, and corresponding first domain name of the first function and the first domain are automatically generated according to the first registration request that the first function is sent Name corresponding domain name record solves the problems, such as to can not achieve the scheme of NRF discovery NF in the prior art, realize NRF according to The automatic registration process of NF generates DNS record, and ensure that NRF has found the function of NF automatically.

The embodiment of the present invention provides a provenance AMF 13, can be applied to a kind of information that the corresponding embodiment of Fig. 3-13 provides In processing method, referring to Fig.1 shown in 5, source AMF includes: second processor 131, second memory 132 and the second communication bus 133, in which:

First communication bus 133 is for realizing the connection communication between second processor 131 and second memory 132；

Second processor 131 is for executing the message handling program stored in second memory 132, to realize following step It is rapid:

After what reception NRF was sent is used to indicate the registration response succeeded in registration, the first operation requests are received；Wherein, first Operation requests carry identification information；

The second domain name is obtained based on the domain name that identification information generates the second function, and sends the inquiry for carrying the second domain name It requests to NRF；

Receive the second domain name corresponding domain name record that NRF is sent, and based on the corresponding domain name record of the second domain name and the Two functions establish communication linkage；Wherein, the second domain name corresponding domain name record is NRF based on the in the inquiry request received What two domain names obtained.

In other embodiments of the present invention, second processor 131 is also used to execution information processing routine, to realize following step It is rapid:

If identification information is not the identification information of source AMF distribution, the domain name for generating the second function based on identification information is obtained Second domain name；

It sends and carries the inquiry request of the second domain name to NRF.

The request instruction for solicited message is sent to NSSF；Wherein, request instruction carries identification information；

Receive the network slice mark NSI that NSSF is sent；Wherein, NSI is NSSF based on the mark carried in request instruction Information acquisition.

The second domain name is generated based on the first operation requests and NSI, and transmission carries the inquiry request of the second domain name extremely NRF。

Identification information based on terminal obtains first network slice selection auxiliary letter from uniform data management UDM Cease NSSAI；Wherein, identification information includes the identification information of terminal；

If the 2nd NSSAI carried in the first NSSAI and the first operation requests is mismatched, sends request instruction to network and cut Piece selection function NSSF.

If the first operation requests are initial registration requests, the second domain name is obtained based on the NSI domain name for generating target AMF；Its In, the second function is target AMF.

If the first operation requests are the requests of protocol Data Unit PDU session establishment, obtain and carried in the request of PDU session establishment Data network title DNN；

The second domain name is obtained based on the NSI and DNN domain name for generating SMF；Wherein, the second function is SMF.

It should be noted that the interactive process in the present embodiment between each unit and device, it is corresponding to be referred to Fig. 4-13 Embodiment and a kind of information processing method provided by the above embodiment in interactive process, details are not described herein again.

Based on previous embodiment, the present invention provides a kind of computer readable storage medium, the computer readable storage medium On be stored with message handling program, computer-readable recording medium storage has one or more message handling program, one or The multiple message handling programs of person can be executed by one or more processor, to perform the steps of

Transmission is used to indicate the registration succeeded in registration and responds to the first function；Wherein, registration response is for when the first function When being source access and mobile management function to ps domain AMF, instruction source AMF generates the second domain corresponding with the first operation requests received Name, and the corresponding domain name record of the second domain name is obtained from the corresponding domain name record of the first domain name.

In other embodiments of the present invention, fisrt feature parameter includes the identity mark of resource record title and the first function Know, the fisrt feature parameter based on the first function of carrying in the first registration request generates domain name note corresponding with the first function Record, may comprise steps of:

In other embodiments of the present invention, transmission is used to indicate the registration succeeded in registration and responds to the first function, has Body can with the following steps are included:

Based on previous embodiment, the present invention also provides a kind of computer readable storage medium, the computer-readable storage mediums It is stored with message handling program in matter, computer-readable recording medium storage has one or more message handling program, and one Or multiple message handling programs can be executed by one or more processor, to perform the steps of

In other embodiments of the present invention, the domain name for generating the second function based on identification information obtains the second domain name, concurrently It send the inquiry request for carrying the second domain name to NRF, may comprise steps of:

It sends and carries the inquiry request of the second domain name to NRF.

In other embodiments of the present invention, the domain name for generating the second function based on identification information obtains the second domain name, concurrently Send and carry the inquiry request of the second domain name to NRF, can with the following steps are included:

In other embodiments of the present invention, the request instruction for request message is sent to NSSF, may include following step It is rapid:

In other embodiments of the present invention, the second domain name is generated based on the first operation requests and NSI, may include following step It is rapid:

In other embodiments of the present invention, the second domain name is generated based on the first operation requests and NSI, can also includes following Step:

It should be noted that the interactive process in the present embodiment between each unit and device, it is corresponding to be referred to Fig. 3-13 Embodiment and a kind of information processing method provided by the above embodiment in interactive process, details are not described herein again.

It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention Formula.Moreover, the present invention, which can be used, can use storage in the computer that one or more wherein includes computer usable program code The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).

The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that can be by every one stream in computer program message implementation flow chart and/or block diagram The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Message is to the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the message that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program message, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes disappearing that message stored in the computer readable memory, which generates, Cease the manufacture of device, the information apparatus realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program message also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The message executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims

1. a kind of information processing method, which is characterized in that be applied in network storage function NRF, which comprises

Receive the first registration request of the first function transmission；Wherein, first function is described for realizing Network Management Function The fisrt feature parameter of first function is carried in first registration request；

According to first registration request, the first domain name corresponding with first function is generated based on the fisrt feature parameter And the corresponding domain name record of first domain name；

Transmission is used to indicate the registration succeeded in registration and responds to first function；Wherein, the registration response is for when described When first function is source access and mobile management function to ps domain AMF, the first operation requests that the source AMF is generated and received are indicated Corresponding second domain name, and the corresponding domain name note of second domain name is obtained from the corresponding domain name record of first domain name Record.

2. the method according to claim 1, wherein the fisrt feature parameter includes resource record title and The identity of one function, it is described according to first registration request, based on described carried in first registration request The fisrt feature parameter of one function generates domain name record corresponding with first function, comprising:

Identity based on the resource record title and first function, obtain name authority pointer NAPTR record and Service position SRV record；

Identity based on first function and the Protocol IP address interconnected between the network of the first function, obtain host HOST record.

3. the method according to claim 1, wherein it is described transmission be used to indicate the registration succeeded in registration respond to After first function, the method also includes:

Receive the inquiry request for being used to indicate inquiry of the domain name that the source AMF is sent；Wherein, is carried in the inquiry request Two domain names；

According to the inquiry request, obtained based on second domain name progress domain name record queries corresponding with second domain name Domain name record；

4. method according to claim 1 or 2, which is characterized in that

When first function is any AMF, the resource record title in the fisrt feature parameter includes the domain AMF and AMF Set and AMF identification record title, tracing area TA record name and network slice mark NSI record name；Any AMF Including the source AMF；

When first function is conversation management functional SMF, the resource record title in the fisrt feature parameter includes number According to network DNN and conversation management functional SMF identification record title；

When first function is mobile management entity MME, the resource record title in the fisrt feature parameter includes MME Group mark and MME identification record title and TA record name.

5. a kind of information processing method, which is characterized in that be applied in the AMF of source, which comprises

After what reception network storage function NRF was sent is used to indicate the registration response succeeded in registration, the first operation requests are received；Its In, first operation requests carry identification information；

The second domain name is obtained based on the domain name that the identification information generates the second function, and sends and carries second domain name Inquiry request is to the NRF；

The corresponding domain name record of second domain name that the NRF is sent is received, and is based on the corresponding domain name of second domain name Record establishes communication linkage with second function；Wherein, the corresponding domain name record of second domain name is that the NRF is based on institute State what the second domain Name acquisition in inquiry request arrived.

6. according to the method described in claim 5, it is characterized in that, the domain for generating the second function based on the identification information Name obtains the second domain name, and sends and carry the inquiry request of second domain name to the NRF, comprising:

If the identification information is not the identification information of source AMF distribution, the domain name of the second function is generated based on the identification information Obtain the second domain name；

It sends and carries the inquiry request of second domain name to the NRF.

7. according to the method described in claim 5, it is characterized in that, the domain for generating the second function based on the identification information Name obtains the second domain name, and sends and carry the inquiry request of second domain name to the NRF, further includes:

It sends and is sliced selection function NSSF for request instruction to the network of solicited message；Wherein, the request instruction carries The identification information；

Receive the network slice identification information NSI that the NSSF is sent；Wherein, the NSI is that the NSSF is based on the request What the identification information carried in instruction obtained；

Second domain name is generated based on first operation requests and the NSI, and sends and carries second domain name The inquiry request is to the NRF.

8. the method according to the description of claim 7 is characterized in that the transmission is used for the request instruction of request message extremely NSSF, comprising:

Identification information based on terminal obtains first network slice selection auxiliary information from uniform data management UDM NSSAI；Wherein, the identification information includes the identification information of the terminal；

If the 2nd NSSAI carried in the first NSSAI and first operation requests is mismatched, the request instruction is sent Selection function NSSF is sliced to network.

9. according to the method described in claim 8, it is characterized in that, described raw based on first operation requests and the NSI At second domain name, comprising:

If first operation requests are initial registration requests, described second is obtained based on the NSI domain name for generating target AMF Domain name；Wherein, second function is the target AMF.

10. the method according to the description of claim 7 is characterized in that described raw based on first operation requests and the NSI At second domain name, further includes:

If first operation requests are the requests of protocol Data Unit PDU session establishment, obtain in the PDU session establishment request The data network title DNN of carrying；

Second domain name is obtained based on the NSI and DNN domain name for generating SMF；Wherein, second function is described SMF。

11. a kind of NRF, which is characterized in that the NRF includes: first processor, first memory and the first communication bus；Its In:

The first processor is for executing the message handling program stored in the first memory, to realize such as claim The step of 1~4 described in any item information processing methods.

12. a kind of AMF, which is characterized in that the AMF includes: second processor, second memory and the second communication bus；Its In:

The second processor is for executing the message handling program stored in the second memory, to realize such as claim The step of 5~10 described in any item information processing methods.

13. a kind of computer readable storage medium, which is characterized in that be stored at information on the computer readable storage medium Program is managed, is realized as described in any one of Claims 1 to 4 or 5~10 when the message handling program is executed by processor The step of information processing method.