CN109274512A - A kind of management method and device of proxy calling service control function - Google Patents
A kind of management method and device of proxy calling service control function Download PDFInfo
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- CN109274512A CN109274512A CN201710580337.8A CN201710580337A CN109274512A CN 109274512 A CN109274512 A CN 109274512A CN 201710580337 A CN201710580337 A CN 201710580337A CN 109274512 A CN109274512 A CN 109274512A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1045—Proxies, e.g. for session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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Abstract
The embodiment of the invention provides the management method and device of a kind of proxy calling service control function, the management method of proxy calling service control function includes: the discovery selection request to proxy calling service control function entity for receiving packet data gateway and sending；If the packet data gateway proxied call business control function Entity Authorization, it selects to request according to the discovery, the parameter information of proxy calling service control function entity is returned into the packet data gateway, NRF can use centralized and unified Selection Strategy, and the selection without all configuring P-CSCF on all PGW configures.By P-CSCF to NRF registration, authorization, the authorization to PGW discovery selection P-CSCF ability may be implemented, it can be achieved that the function selection of similar blacklist or white list authorizes.
Description
Technical field
The present invention relates to mobile communication technology field, in particular to a kind of management method of proxy calling service control function
And device.
Background technique
P-CSCF (Proxy-call service control function, proxy calling service control function) is IMS
(IP Multimedia Subsystem, IP multimedia subsystem) signaling plane with user first interaction point, from SIP
It is the SIP generation of an outbound/inbound from the perspective of (Session Initiation Protocol, session initiation protocol)
Server is managed, all SIP signalings either come from UE (User Equipment, user equipment), are also destined to UE,
All have to pass through P-CSCF.
When VoLTE (Voice over LTE, high definition voice) user initiates IMS PDN, need to request the address P-CSCF.
It is that the mode that is locally configured by PGW (Packet Data Network Gateway, packet data gateway) is complete under LTE framework
At.
With the evolution of 5G agreement, the discovery selection of network function is defined as, and network function finds a certain specific objective net
Network function.Realization can be locally configured by simple target network in this discovery, such as selection of the PGW to P-CSCF under LTE.
If Fig. 1, all PGW require to safeguard the node state of each P-CSCF, this just forms a status link maintenance net, gives network element
Bring certain load.And in order to find selection P-CSCF, the local policy of configuration P-CSCF selection is required in every PGW, this gives
Certain difficulty is brought in network element maintenance.P-CSCF can be only in passive selection in this discovery selection course, be not easy to actively
Blacklist and the white list authorization of selection are found to PGW.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of management of proxy calling service control function
Method and device, to solve the sheet that all PGW in discovery selection course of the PGW to P-CSCF require configuration P-CSCF selection
Network element Maintenance Difficulty and the technical issues of network element high load capacity caused by ground strategy.
One aspect according to an embodiment of the present invention provides a kind of management method of proxy calling service control function,
Include:
It receives the discovery to proxy calling service control function entity that packet data gateway is sent and selects request；
If the packet data gateway proxied call business control function Entity Authorization is selected according to the discovery
Request, returns to the packet data gateway for the parameter information of proxy calling service control function entity.
Optionally, the management method further include:
It receives proxy calling service control function entity and initiates registration request, according to the registration request to agent call
Business control function body is registered；
The authorization message to packet data gateway that Receiving Agent call business control function entity is sent, is awarded according to described
The part or all of packet data gateway of authorizing information is weighed to select the discovery of the proxy calling service control function entity.
It is optionally, described that proxy calling service control function entity is registered according to the registration request, comprising:
The log-on data of proxy calling service control function entity is generated according to the registration request；
It is described to select to request according to the discovery, the parameter information of proxy calling service control function entity is returned into institute
State packet data gateway, comprising:
According to the identification information of the proxy calling service control function entity in the discovery selection request and the registration
The relevant information of the proxy calling service control function entity is returned to the packet data gateway by data.
Optionally, the identification information according to the proxy calling service control function entity in the discovery selection request
With the log-on data, the relevant information of proxy calling service control function entity is returned into the packet data gateway, is wrapped
It includes:
The full name domain name and log-on data of the proxy calling service control function entity in request are selected according to the discovery,
The proxy calling service control function list for the relevant information for having the proxy calling service control function entity is returned to
The packet data gateway.
Optionally, the management method further include:
If the packet data gateway does not have proxied call business control function Entity Authorization, refuse the discovery selection
Request.
Optionally, the management method further include:
The node state that Receiving Agent call business control function entity reports, according to the node state, described in update
The status information of proxy calling service control function entity；
If the node state that proxy calling service control function entity reports changes, by the proxy calling service control
The status information of functional entity processed is sent to packet data gateway.
Optionally, the management method further include:
If proxy calling service control function entity time-out does not report node state, function is controlled to the proxy calling service
Energy entity sends the request message of request node state；
If proxy calling service control function entity not sent node state after receiving the request message, determine
The fault message of the proxy calling service control function entity；
The fault message of the proxy calling service control function entity is updated in the status information.
Other side according to an embodiment of the present invention additionally provides a kind of network function storage functional entity, comprising:
Receiving module, the discovery to proxy calling service control function entity for receiving packet data gateway transmission are selected
Select request；
Discovery module, if being used for the packet data gateway proxied call business control function Entity Authorization, root
It selects to request according to the discovery, the parameter information of proxy calling service control function entity is returned into the Packet Data Network
It closes.
Optionally, the network function storage functional entity further include:
Registration module initiates registration request for receiving proxy calling service control function entity, according to the registration
Proxy calling service control function entity is registered in request；
Authorization module, the authorization to packet data gateway sent for Receiving Agent call business control function entity are believed
Breath, according to the authorization message authorization portions or whole packet data gateway to the hair of the proxy calling service control function entity
Now select.
Optionally, the registration module includes:
Registering unit, for generating the log-on data of proxy calling service control function entity according to the registration request；
The discovery module includes:
It was found that unit, for being believed according to the mark of the proxy calling service control function entity in the discovery selection request
Breath and the log-on data, return to the Packet Data Network for the relevant information of the proxy calling service control function entity
It closes.
Optionally, the discovery unit includes:
It was found that subelement, for the full name according to the proxy calling service control function entity in the discovery selection request
Domain name and log-on data control the proxy calling service for the relevant information for having the proxy calling service control function entity
Feature list returns to the packet data gateway.
Optionally, the network function storage functional entity further include:
Refusal module is refused if not having proxied call business control function Entity Authorization for the packet data gateway
The discovery selection request described absolutely.
Optionally, the network function storage functional entity further include:
First update module, for the node state that Receiving Agent call business control function entity reports, according to described
Node state updates the status information of the proxy calling service control function entity；
Sending module will be described if the node state for proxy calling service control function entity to report changes
The status information of proxy calling service control function entity is sent to packet data gateway.
Optionally, the network function storage functional entity further include:
Control module, if node state is not reported for proxy calling service control function entity time-out, to the agency
Call business control function entity sends the solicited message of request node state；
Determination module, if not sent after receiving the request message for proxy calling service control function entity
Node state determines the fault message of the proxy calling service control function entity；
Second update module, for the fault message of the proxy calling service control function entity to be updated to the shape
In state information.
Another aspect according to an embodiment of the present invention additionally provides a kind of network function storage functional entity, comprising: deposit
Reservoir, processor and storage on a memory and the computer program that can run on a processor, described in the processor execution
The step in the management method of proxy calling service control function as described above is realized when program.
Another aspect according to an embodiment of the present invention additionally provides a kind of computer readable storage medium, stores thereon
There is computer program, which realizes the management method of proxy calling service control function as described above when being executed by processor
In step.
The embodiment of the present invention has the following beneficial effects:
Firstly, network function storage functional entity receive packet data gateway transmission to proxy calling service control function
Can after the discovery selection request of entity, if the packet data gateway proxied call business control function Entity Authorization,
For the management method of the embodiment of the present invention by selecting to request according to the discovery, network function stores in a warehouse functional entity for agent call
The parameter information of business control function body return to the packet data gateway, it can be achieved that PGW to P-CSCF find select,
NRF can unify to complete the collection of network function service, and PGW does not need the Selection Strategy that all P-CSCF are locally configured, and NRF can be with
Using centralized and unified Selection Strategy, the selection without all configuring P-CSCF on all PGW is configured.
Secondly, the node state that network function storage functional entity Receiving Agent call business control function entity reports
Afterwards, network function storage functional entity updates the shape of the proxy calling service control function entity according to the node state
State information.If the node state that proxy calling service control function entity reports changes, network function storage function
Entity can be subtracted in this way by the way that the status information of the proxy calling service control function entity is sent to packet data gateway
It is few since packet data gateway is with safeguarding node state between business control function body, and the netted ICMP generated
It is negative to can reduce system for the interaction of (Internet Control Message Protocol, Internet Control Message agreement) message
Lotus.
Again, before finding the process of selection to proxy calling service control function entity, can be believed according to the authorization
The gateway of authorization portions or whole packet datas is ceased, it can be achieved that the function of similar blacklist or white list selects authorization.
Detailed description of the invention
Fig. 1 is that PGW safeguards P- in EPS in the prior art (Evolved Packet System, the grouping system of evolution)
The node state of CSCF；
Fig. 2 is a kind of flow chart of the management method of proxy calling service control function provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram provided in an embodiment of the present invention that selection P-CSCF process is found by NRF；
Fig. 4 is the signal that P-CSCF node state process is safeguarded in the connection point manager (CP manager) provided in an embodiment of the present invention by NRF
Figure；
Fig. 5 is a kind of structural schematic diagram of network function storage functional entity provided in an embodiment of the present invention；
Fig. 6 be another embodiment of the present invention provides a kind of network function store in a warehouse functional entity structural schematic diagram.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
Term " first ", " second " in description and claims of this specification etc. are for distinguishing similar right
As without being used to describe a particular order or precedence order.It should be understood that the data used in this way in the appropriate case can be with
It exchanges, so that the embodiment of the present invention described herein for example can be with suitable other than those of illustrating or describing herein
Sequence is implemented.
In order to realize the authorization for finding selection P-CSCF ability to PGW, similar blacklist or white list are either realized
Function selection authorization can introduce NRF (NF Repository Function, network function storage function) network element or be known as
Network function storage functional entity, the network function storage functional entity can be used for the state-maintenance of network function node, note
Volume authorization, discovery selection can store in a warehouse functional entity by network function to realize that the selection to target network function is found.
For this purpose, the embodiment of the invention provides a kind of management method of proxy calling service control function, the manager
Method is suitable for network function storage functional entity, and referring to fig. 2, the management method includes the following steps:
S201 receives the discovery to proxy calling service control function entity that packet data gateway is sent and selects request.
Above-mentioned selection request packet contains the mark for the proxy calling service control function entity that packet data gateway to be found
Know information, it should be noted that the selection request is in addition to that can carry for inquiry proxy call business control function entity
Identification information, relevant configuration information can also be carried, for example, the selection request can carry inquiry P-CSCF (i.e. generation
Manage call business control function entity) FQDN (Fully Qualified Domain Name, fully qualified domain name/full name domain
Name), or APN (Access Point Name, access point name), TA (Trackingoint, tracking can also be carried
Area), IMSI (International Mobile Subscriber Identification Number, international mobile subscriber know
Other code), MSISDN (Mobile station Integrated Services Digital Network Number, mobile station
Comprehensive service digital net number) etc. information.It is understood that not limited specifically in the selection request in the present embodiment
The content and type of entrained information.
S202, if the packet data gateway proxied call business control function Entity Authorization, according to the hair
Now selection request, returns to the packet data gateway for the parameter information of proxy calling service control function entity.
It should be noted that if the packet data gateway does not have proxied call business control function Entity Authorization, refuse
The discovery selection request described absolutely.
Optionally, network function storage functional entity can be controlled according to the proxy calling service in the discovery selection request
Functional entity identification information (such as: FQDN) and by registration request generate proxy calling service control function entity registration number
According to the relevant information of the proxy calling service control function entity is returned to the packet data gateway.
Specifically, network function storage functional entity can be controlled according to the proxy calling service in the discovery selection request
The full name domain name and log-on data of functional entity, by the generation for the relevant information for having the proxy calling service control function entity
Reason call business control function list (or being P-CSCF list) returns to the packet data gateway.
Optionally, before being grouped data gateway to the discovery selection of proxy calling service control function entity, institute
It is further comprising the steps of to state management method:
11) it receives proxy calling service control function entity and initiates registration request, according to the registration request to agency
Call business control function entity is registered.
Optionally, the log-on data of proxy calling service control function entity can be generated according to the registration request.
12) authorization message to packet data gateway that Receiving Agent call business control function entity is sent, according to institute
It states authorization message authorization portions or whole packet data gateway selects the discovery of the proxy calling service control function entity.
It should be noted that during according to the authorization message authorization portions or whole packet data gateway, network
Function storage functional entity can set blacklist or white list, and the function selection that blacklist or white list can be achieved in this way is awarded
Power.For example, the gateway for being formulated into the packet data of blacklist cannot be to network function storage functional entity after blacklist enables
Send discovery request.If setting up white list, the gateway of the packet data in white list can be preferentially to network function storehouse
It stores up functional entity and initiates discovery request, be greatly improved safety and agility.
How management method through the embodiment of the present invention realizes that packet data gateway exhales agency in order to facilitate understanding
It makes the discovery of business control function body select, referring to Fig. 3, the process of management method is illustrated below.
In order to realize that packet data gateway selects the discovery of proxy calling service control function entity, the management method
Analysis process it is as follows:
21) P-CSCF is after service is available, and to corresponding NRF, (NRF may be PLMN (Public Land Mobile
Network, public land mobile network) under range) initiation registration, the network function of itself, information on services are collected on NRF
Middle registration；
22) NRF generates FQDN record (directly band FQDN information when can also register) according to registration information, in local preservation
The log-on data of generation；
23) P-CSCF sends the authorization message to PGW to NRF simultaneously, and authorization portions or whole PGW are to the P-CSCF's
It was found that selection；
24) PGW initiates the discovery selection to P-CSCF to NRF, may carry the information such as APN, TA, IMSI, MSISDN,
The FQDN of inquiry P-CSCF can be carried, such as: PCSCF.APN-XXX.MNC-XXX.MCC-XXX.5g.org.The FQDN format
It needs consistent with the FQDN format in NRF log-on data.
25) NRF carries out authorization check to the PGW of request first.If the discovery of each P-CSCF with no authorized PGW
Selection, then refusing this discovery selection request；If there is P-CSCF authorizes the discovery of the PGW to select, then follow the steps 26).
26) NRF inquires log-on data according to the FQDN in solicited message, returns to P-CSCF list to PGW, if request
There are non-FQDN to record for information, needs to be converted to FQDN information, then inquired.
If returning in P-CSCF list and carrying the information such as priority, weight and/or load.PGW can return to P-
It is further screened in CSCF list, for example filters out the P-CSCF of high priority.
In the present embodiment, network function storage functional entity receive packet data gateway transmission to agent call industry
It is engaged in after the discovery selection request of control function entity, if proxied call business control function is real for the packet data gateway
Body authorization, for the management method of the embodiment of the present invention by selecting to request according to the discovery, network function stores in a warehouse functional entity will
The parameter information of proxy calling service control function entity returns to the packet data gateway, it can be achieved that PGW sends out P-CSCF
Now select.P-CSCF initiates the registration of network function and service, authorization to NRF, and the receipts of network function service are uniformly completed by NRF
Collection.PGW does not need the Selection Strategy that all P-CSCF are locally configured, and altering course NRF request discovery selection P-CSCF, NRF can be with
Using centralized and unified Selection Strategy, the selection without all configuring P-CSCF on all PGW is configured.
It in the present embodiment, can be according to institute before finding the process of selection to proxy calling service control function entity
The gateway of authorization message authorization portions or whole packet datas is stated, it can be achieved that the function selection of similar blacklist or white list is awarded
Power.
Referring to fig. 4, in order to realize that NRF safeguards each P-CSCF node state, P-CSCF can be come with active reporting status information
The state collection of all nodes is completed, wherein there are two following situations during the state collection of node:
Situation one: NRF receives the node state that proxy calling service control function entity reports.
Situation two: NRF does not receive the node state that proxy calling service control function entity reports, i.e. agent call industry
Business control function entity time-out does not report node state.
For situation one, on the basis of the flow chart of management method shown in Fig. 2, the management method further include:
31) node state that Receiving Agent call business control function entity reports updates institute according to the node state
State the status information of proxy calling service control function entity.
If 32) node state that proxy calling service control function entity reports changes, by the agent call industry
The status information of business control function entity is sent to packet data gateway.
For situation two, on the basis of the flow chart of management method shown in Fig. 2, the management method further include:
If 41) proxy calling service control function entity time-out does not report node state, to the proxy calling service control
Functional entity processed sends the solicited message of request node state；
If 42) proxy calling service control function entity not sent node state after receiving the request message,
Determine the fault message of the proxy calling service control function entity；
43) fault message of the proxy calling service control function entity is updated in the status information.
NRF safeguards the process of each P-CSCF node state in order to facilitate understanding, below to the analysis process of management method into
Row illustrates.
In order to safeguard each P-CSCF node state, the analysis process of the management method is as follows:
51) each P-CSCF (may be PLMN range), the node state of itself is reported to NRF.
52) NRF updates corresponding P-CSCF node state information.
53) for registered P-CSCF node, time-out does not report node information, NRF can according to local policy, attempt to
P-CSCF requests node information, if node is unreachable, it is believed that the node failure.
54) NRF pushes P-CSCF node state information to PGW when P-CSCF node state changes.
In the present embodiment, the node state that Receiving Agent call business control function entity reports, according to the node
State updates the status information of the proxy calling service control function entity.If proxy calling service control function entity reports
Node state when changing, the status information of the proxy calling service control function entity is sent to Packet Data Network
It closes, can be reduced in this way since packet data gateway is with safeguarding node state between business control function body, and generate netted
ICMP information interaction, can reduce system loading.
Fig. 5 is that a kind of network function provided in an embodiment of the present invention is stored in a warehouse the structural schematic diagram of functional entity, referring to Fig. 5,
The network function storage functional entity 500 includes: receiving module 501 and discovery module 502.
Wherein, the receiving module 501, for receive packet data gateway transmission to proxy calling service control function
The discovery of entity selects request.
The discovery module 502, if being used for the packet data gateway proxied call business control function entity
Authorization selects to request, the parameter information of proxy calling service control function entity is returned to the grouping according to the discovery
Data gateway.
Optionally, in order to realize that the analysis process of the discovery module 502, the network function storage functional entity also wrap
It includes: registration module, authorization module and refusal module.
Wherein, the registration module initiates registration request for receiving proxy calling service control function entity, according to
The registration request registers proxy calling service control function entity.
The authorization module awards packet data gateway for what Receiving Agent call business control function entity was sent
Information is weighed, according to the authorization message authorization portions or whole packet data gateway to the proxy calling service control function entity
Discovery selection.
The refusal module, if not having proxied call business control function entity to award for the packet data gateway
Power refuses the discovery selection request.
Optionally, the registration module includes: registering unit.
The registering unit, for generating the registration number of proxy calling service control function entity according to the registration request
According to.
At this point, the discovery module 502 includes: discovery unit.
The discovery unit, for the mark according to the proxy calling service control function entity in the discovery selection request
Know information and the log-on data, the relevant information of the proxy calling service control function entity is returned into the packet count
According to gateway.
Optionally, the discovery unit includes: discovery subelement.
The discovery subelement, for according to the proxy calling service control function entity in the discovery selection request
Full name domain name and log-on data, by the proxy calling service for the relevant information for having the proxy calling service control function entity
Control function list returns to the packet data gateway.
In order to enable the network function storage functional entity is realized and safeguards each P-CSCF node state, the network function
Storage functional entity is additionally provided with: the first update module, sending module, control module, determination module and the second update module.
Wherein, first update module, for the node state that Receiving Agent call business control function entity reports,
According to the node state, the status information of the proxy calling service control function entity is updated；
The sending module will if the node state for proxy calling service control function entity to report changes
The status information of the proxy calling service control function entity is sent to packet data gateway.
The control module, if node state is not reported for proxy calling service control function entity time-out, to agency
Call business control function entity sends the solicited message of request node state；
The determination module, if for proxy calling service control function entity after receiving the request message
Not sent node state determines the fault message of the proxy calling service control function entity；
Second update module, it is described for the fault message of the proxy calling service control function entity to be updated to
In status information.
It should be noted that the network function storage functional entity of the embodiment of the present invention can realize above-mentioned agent call industry
It the step of management method for control function of being engaged in, is not repeating herein.
Firstly, receiving the real to proxy calling service control function of packet data gateway transmission by receiving module 501
After the discovery selection request of body, if the packet data gateway proxied call business control function Entity Authorization, passes through
Discovery module 502 selects to request according to the discovery, and the parameter information of proxy calling service control function entity is returned to institute
Packet data gateway is stated, it can be achieved that PGW has found to select to P-CSCF.P-CSCF initiated to NRF network function and service registration,
Authorization, the collection of network function service is uniformly completed by NRF.PGW does not need the Selection Strategy that all P-CSCF are locally configured, and
Alter course NRF request discovery selection P-CSCF, NRF can use centralized and unified Selection Strategy, without on all PGW all
Configure the selection configuration of P-CSCF.
Secondly, passing through the first update module root after the node state that Receiving Agent call business control function entity reports
The status information of the proxy calling service control function entity is updated according to the node state.If proxy calling service controls function
Can the node state that reports of entity when changing, by sending module by the shape of the proxy calling service control function entity
State information is sent to packet data gateway, can be reduced in this way since packet data gateway between business control function body with safeguarding
Node state, and the interaction of the netted ICMP information generated, can reduce system loading.
Again, before finding the process of selection to proxy calling service control function entity, authorization module root can be passed through
According to the gateway of the authorization message authorization portions or whole packet datas, it can be achieved that the function selection of similar blacklist or white list
Authorization.
Fig. 6 be another embodiment of the present invention provides network function store in a warehouse functional entity structural schematic diagram.Such as Fig. 6 institute
Show, network function storage functional entity 600 shown in fig. 6 includes: that processor 601, transceiver 602, memory 603 and bus connect
Mouthful, in which:
In embodiments of the present invention, network function is stored in a warehouse functional entity 600 further include: is stored on memory 603 and can
The computer program run on processor 601 realizes following steps when computer program is by processor 601, execution:
It receives the discovery to proxy calling service control function entity that packet data gateway is sent and selects request；If described
Packet data gateway exhale agency according to discovery selection request by proxied call business control function Entity Authorization
The parameter information of business control function body is made to return to the packet data gateway.In Fig. 6, bus architecture may include appointing
What the bus and bridge of the interconnection for quantity of anticipating, the one or more processors specifically represented by processor 601 and memory 603 represented
The various circuits of memory link together.Bus architecture can also will such as peripheral equipment, voltage-stablizer and management circuit
Or the like various other circuits link together, these are all it is known in the art, therefore, no longer it is carried out herein into
The description of one step.Bus interface provides interface.Transceiver 602 can be multiple element, that is, includes transmitter and receiver, provide use
In the unit communicated over a transmission medium with various other devices.
Processor 601, which is responsible for management bus architecture and common processing, memory 603, can store processor 601 and is holding
Used data when row operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 601:
It receives proxy calling service control function entity and initiates registration request, according to the registration request to agent call
Business control function body is registered；What Receiving Agent call business control function entity was sent awards packet data gateway
Information is weighed, according to the authorization message authorization portions or whole packet data gateway to the proxy calling service control function entity
Discovery selection.
Optionally, following steps be can also be achieved when computer program is executed by processor 601:
The log-on data of proxy calling service control function entity is generated according to the registration request；It is selected according to the discovery
Select request in proxy calling service control function entity identification information and the log-on data, by the proxy calling service
The relevant information of control function entity returns to the packet data gateway.
Optionally, following steps be can also be achieved when computer program is executed by processor 601: being asked according to discovery selection
The full name domain name and log-on data of proxy calling service control function entity in asking will have the proxy calling service control
The proxy calling service control function list of the relevant information of functional entity returns to the packet data gateway.
Optionally, following steps be can also be achieved when computer program is executed by processor 601: if the packet data gateway
There is no proxied call business control function Entity Authorization, refuses the discovery selection request.
Optionally, following steps be can also be achieved when computer program is executed by processor 601: Receiving Agent call business control
The node state that functional entity processed reports updates the proxy calling service control function entity according to the node state
Status information；If the node state that proxy calling service control function entity reports changes, by the proxy calling service
The status information of control function entity is sent to packet data gateway.
Optionally, following steps be can also be achieved when computer program is executed by processor 601:
If proxy calling service control function entity time-out does not report node state, function is controlled to the proxy calling service
Energy entity sends the request message of request node state；If proxy calling service control function entity receive it is described request disappear
Not sent node state after breath determines the fault message of the proxy calling service control function entity；The agency is exhaled
The fault message of business control function body is made to be updated in the status information.
Firstly, by processor 601 receive packet data gateway transmission to proxy calling service control function entity
Discovery selection request after, if the packet data gateway proxied call business control function Entity Authorization, passes through place
It manages device 601 and selects to request according to the discovery, the parameter information of proxy calling service control function entity is returned to described point
Group data gateway is, it can be achieved that PGW has found to select to P-CSCF.P-CSCF initiates the registration of network function and service to NRF, awards
Power, the collection of network function service is uniformly completed by NRF.PGW does not need the Selection Strategy that all P-CSCF are locally configured, and changes
Request discovery selection P-CSCF, NRF that can use centralized and unified Selection Strategy to NRF, without all matching on all PGW
Set the selection configuration of P-CSCF.
Secondly, after the node state that Receiving Agent call business control function entity reports, by processor 601 according to institute
State the status information that node state updates the proxy calling service control function entity.If proxy calling service control function is real
When the node state that body reports changes, by processor 601 by the state of the proxy calling service control function entity
Information is sent to packet data gateway, can be reduced in this way since packet data gateway is with safeguarding knot between business control function body
Dotted state, and the interaction of the netted ICMP information generated, can reduce system loading.
It again, can be 601 by processor before finding the process of selection to proxy calling service control function entity
The function selection of similar blacklist or white list can be realized according to the gateway of the authorization message authorization portions or whole packet datas
Authorization.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the journey
The step in the management method of proxy calling service control function as described above is realized when sequence is executed by processor.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
In embodiment provided herein, it should be appreciated that " with the B of A response " indicates that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be through some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network side equipment etc.) executes transmitting-receiving side described in each embodiment of the present invention
The part steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, letter
Claim ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (16)
1. a kind of management method of proxy calling service control function, is suitable for network function storage functional entity, feature exists
In, comprising:
It receives the discovery to proxy calling service control function entity that packet data gateway is sent and selects request；
If the packet data gateway proxied call business control function Entity Authorization, asked according to discovery selection
It asks, the parameter information of proxy calling service control function entity is returned into the packet data gateway.
2. management method according to claim 1, which is characterized in that the management method further include:
It receives proxy calling service control function entity and initiates registration request, according to the registration request to proxy calling service
Control function entity is registered；
The authorization message to packet data gateway that Receiving Agent call business control function entity is sent is believed according to the authorization
It ceases authorization portions or whole packet data gateway selects the discovery of the proxy calling service control function entity.
3. management method according to claim 2, which is characterized in that it is described according to the registration request to agent call industry
Business control function entity is registered, comprising:
The log-on data of proxy calling service control function entity is generated according to the registration request；
It is described to select to request according to the discovery, the parameter information of proxy calling service control function entity is returned to described point
Group data gateway, comprising:
According to it is described discovery selection request in proxy calling service control function entity identification information and the log-on data,
The relevant information of the proxy calling service control function entity is returned into the packet data gateway.
4. management method according to claim 3, which is characterized in that the agency according in the discovery selection request
The identification information of call business control function entity and the log-on data, by the correlation of proxy calling service control function entity
Information returns to the packet data gateway, comprising:
According to the full name domain name and log-on data of the proxy calling service control function entity in the discovery selection request, will deposit
There is the proxy calling service control function list of the relevant information of the proxy calling service control function entity to return to described
Packet data gateway.
5. management method according to claim 1, which is characterized in that the management method further include:
If the packet data gateway does not have proxied call business control function Entity Authorization, refuses the discovery selection and ask
It asks.
6. management method according to claim 1, which is characterized in that the management method further include:
The node state that Receiving Agent call business control function entity reports updates the agency according to the node state
The status information of call business control function entity；
If the node state that proxy calling service control function entity reports changes, the proxy calling service is controlled into function
The status information of energy entity is sent to packet data gateway.
7. management method according to claim 1, which is characterized in that the management method further include:
It is real to the proxy calling service control function if proxy calling service control function entity time-out does not report node state
Body sends the request message of request node state；
If proxy calling service control function entity not sent node state after receiving the request message, described in determination
The fault message of proxy calling service control function entity；
The fault message of the proxy calling service control function entity is updated in the status information.
The functional entity 8. a kind of network function is stored in a warehouse characterized by comprising
Receiving module, for receiving asking to the discovery selection of proxy calling service control function entity for packet data gateway transmission
It asks；
Discovery module, if the packet data gateway proxied call business control function Entity Authorization is used for, according to institute
Discovery selection request is stated, the parameter information of proxy calling service control function entity is returned into the packet data gateway.
The functional entity 9. network function according to claim 8 is stored in a warehouse, which is characterized in that the network function storage function
Entity further include:
Registration module initiates registration request for receiving proxy calling service control function entity, according to the registration request
Proxy calling service control function entity is registered；
Authorization module, for Receiving Agent call business control function entity send the authorization message to packet data gateway,
Discovery according to the authorization message authorization portions or whole packet data gateway to the proxy calling service control function entity
Selection.
The functional entity 10. network function according to claim 9 is stored in a warehouse, which is characterized in that the registration module includes:
Registering unit, for generating the log-on data of proxy calling service control function entity according to the registration request；
The discovery module includes:
It was found that unit, for according to the identification information of the proxy calling service control function entity in the discovery selection request and
The relevant information of the proxy calling service control function entity is returned to the packet data gateway by the log-on data.
The functional entity 11. network function according to claim 10 is stored in a warehouse, which is characterized in that the discovery unit includes:
It was found that subelement, for the full name domain name according to the proxy calling service control function entity in the discovery selection request
And log-on data, by the proxy calling service control function for the relevant information for having the proxy calling service control function entity
List returns to the packet data gateway.
The functional entity 12. network function according to claim 8 is stored in a warehouse, which is characterized in that the network function storage function
Energy entity further include:
Refuse module, if there is no proxied call business control function Entity Authorization for the packet data gateway, refuses institute
State discovery selection request.
The functional entity 13. network function according to claim 8 is stored in a warehouse, which is characterized in that the network function storage function
Energy entity further include:
First update module, for the node state that Receiving Agent call business control function entity reports, according to the node
State updates the status information of the proxy calling service control function entity；
Sending module, if the node state for proxy calling service control function entity to report changes, by the agency
The status information of call business control function entity is sent to packet data gateway.
The functional entity 14. network function according to claim 8 is stored in a warehouse, which is characterized in that the network function storage function
Energy entity further include:
Control module, if node state is not reported for proxy calling service control function entity time-out, to the agent call
Business control function body sends the solicited message of request node state；
Determination module, if for proxy calling service control function entity after receiving the request message not sent node
State determines the fault message of the proxy calling service control function entity；
Second update module is believed for the fault message of the proxy calling service control function entity to be updated to the state
In breath.
The functional entity 15. a kind of network function is stored in a warehouse characterized by comprising memory, processor and storage are on a memory
And the computer program that can be run on a processor, the processor are realized when executing described program as claim 1~7 is any
Step in the management method of proxy calling service control function described in.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step in the management method of proxy calling service control function as described in any one of claims 1 to 7 is realized when execution.
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| CN109274512B (en) | 2021-12-07 |
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