CN105764082A - Network element disaster recovery method and device - Google Patents
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- CN105764082A CN105764082A CN201410796054.3A CN201410796054A CN105764082A CN 105764082 A CN105764082 A CN 105764082A CN 201410796054 A CN201410796054 A CN 201410796054A CN 105764082 A CN105764082 A CN 105764082A
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Abstract
An embodiment of the invention discloses a network element disaster recovery method and device. The method includes that detecting the state of a PCRF solid body by an SBC; recording failure information when that the PCRF goes wrong is detected; subscribing a request for reporting the failure information to an S-CSCF by the S-CSCF or reporting the failure information to the S-CSCF periodically. When the PCRF goes wrong, a core network can obtain the PCRF information of the fault and can enable a user to access again and enable the user to access to other PCRFs in normal operation.
Description
Technical field
The present invention relates to network element disaster tolerance technology, particularly relate to network element disaster recovery method and the device of a kind of core-network side.
Background technology
Along with IP Multimedia System (IMS, IPMultimediaSubsystem) widespread deployment and commercialization, strategy with charging rule functions (PCRF, PolicyandChargingRulesFunction) entity policy control decision and based on stream charging control in effect more and more important.If PCRF breaks down, by policy control decision, based on functional realiey generation significant impacts such as the chargings flowed.
But, at present temporarily not for the Disaster Tolerant Scheme of PCRF entity, but in order to tackle the sight that PCRF entity breaks down, commonly used PCRF backup policy in network, hot standby and real-time active and standby scheme time strictly according to the facts.As shown in Figure 1, under normal circumstances, Rx session and Gx session are by route agent node (DRA, DiameterRoutingAgent) it is tied on PCRF1, subscriber equipment (UE, the demands such as policy control UserEquipment) are conveyed to PCRF1, PCRF1 by Session Border Controller (SBC, SessionBorderController) by Rx interface and generate corresponding strategy control rule and be handed down to PCEF execution by Gx interface.Now, PCRF2 not with the session association of this user, simply backup.When equipment PCRF1 breaks down, stand-by equipment PCRF2 detects fault, produces warning.Now, the information such as the carrying of UE can be released, and UE is forced to roll off the production line and again initiate register flow path, by Rx session and Gx binding session to PCRF2, PCRF2 replaces PCRF1 to carry out policy control, thus realizing the process to PCRF equipment fault.
It should be noted that when PCRF switches, IMS core net cannot to monitoring state, when PCRF fault, IMS core net cannot know this information in time, therefore also cannot make effective reply, and this obviously can affect the core net dispatch deal to business.
Summary of the invention
The embodiment of the present invention is for solving above-mentioned technical problem, it is provided that a kind of network element disaster recovery method and device, core-network side can be made to know the current state of PCRF, and can take to access measure accordingly, it is to avoid the new UE accessed accesses the PCRF of fault.
The technical scheme of the embodiment of the present invention is achieved in that
A kind of network element disaster recovery method, including:
The state of Session Border Controller SBC inspection policies and charging rule functions PCRF entity；
Detect when described PCRF breaks down, record trouble information；
Subscribe to request according to service call conversation control function S-CSCF and report described fault message to described S-CSCF, or periodically report described fault message to S-CSCF.
Preferably, described subscription according to service call conversation control function S-CSCF asks to report described fault message to described S-CSCF, including:
After user equipment (UE) completes initial registration, described SBC receives the notification message of the described S-CSCF PCRF state subscription sent；
Described SBC detects the state of PCRF entity when being fault, sends to described S-CSCF entity and carries indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
When the state of described SBC detection PCRF entity is properly functioning, sends described PCRF entity to described S-CSCF entity and indicate information normally.
Preferably, described periodicity reports described fault message to S-CSCF, including:
Described SBC determines when the state of PCRF entity is fault, periodically sends to described S-CSCF entity and carries indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described SBC determines when the state of PCRF entity is properly functioning, periodically sends described PCRF entity to described S-CSCF entity and indicates information normally.
Preferably, described SBC obtains the information of the state of PCRF entity, including:
Described SBC sends STATUS ENQUIRY message to described PCRF entity,
When setting the response message receiving described PCRF entity in duration, it is determined that described PCRF entity is properly functioning；
The response message of described PCRF entity is not received or when setting the response message not receiving described PCRF entity in duration and exceeding setting threshold value, it is determined that described PCRF entity abnormal running in setting duration.
A kind of network element disaster recovery method, including:
After service call conversation control function S-CSCF entity receives the instruction information of the Session Border Controller SBC strategy sent and charging rule functions PCRF entity fault, the information of described PCRF entity fault is notified core network element, makes newly to access UE and be tied to other properly functioning PCRF equipment.
Preferably, before described S-CSCF entity receives the instruction information of the SBC PCRF entity fault sent, described method also includes:
After user equipment (UE) completes initial registration, described S-CSCF entity sends the notification message of PCRF state subscription to described SBC.
A kind of network element disaster tolerance device, including: detect unit, record unit and report unit, wherein:
Detection unit, for detecting the state of PCRF entity, detects when described PCRF breaks down, triggers described record unit；
Record unit, for recording the fault message of PCRF entity；
Report unit, report described fault message for subscribing to request according to service call conversation control function S-CSCF to described S-CSCF, or periodically report described fault message to S-CSCF.
Preferably, described device also includes:
Receive unit, for, after user equipment (UE) completes initial registration, receiving the notification message of the described S-CSCF PCRF state subscription sent；
Accordingly, described in report unit, be additionally operable to when determining that the state of PCRF entity is fault, send to described S-CSCF entity and carry indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described report unit, be additionally operable to when the state determining PCRF entity is properly functioning, send described PCRF entity to described S-CSCF entity and indicate information normally.
Preferably, described device also includes:
Determining unit, whether the report cycle for determining the state of PCRF entity arrives, and reports unit described in triggering during arrival；
Accordingly, described in report unit, be additionally operable to when determining that the state of PCRF entity is fault, send to described S-CSCF entity and carry indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described report unit, be additionally operable to when the state determining PCRF entity is properly functioning, send described PCRF entity to described S-CSCF entity and indicate information normally.
Preferably, described detection unit includes: sends subelement, receive subelement, first determine that subelement determined by subelement and second, wherein:
Send subelement, for sending STATUS ENQUIRY message to described PCRF entity；
Receive subelement, for receiving the response message of described PCRF entity in setting duration；
First determines subelement, for when setting the response message receiving described PCRF entity in duration, it is determined that described PCRF entity is properly functioning；
Second determines subelement, for not receiving the response message of described PCRF entity in setting duration or when setting the response message not receiving described PCRF entity in duration and exceeding setting threshold value, it is determined that described PCRF entity abnormal running.
A kind of network element disaster tolerance device, including: receive unit and notification unit, wherein:
Receive unit, for receiving the instruction information of the Session Border Controller SBC strategy sent and charging rule functions PCRF entity fault；
Notification unit, for notifying core network element by the information of described PCRF entity fault.
Preferably, described device also includes:
Transmitting element, for, after user equipment (UE) completes initial registration, sending the notification message of PCRF state subscription to described SBC.
In the embodiment of the present invention, after UE completes initial registration, S-CSCF entity sends the notification message of PCRF state subscription, SBC acquisition strategy and the information of the state of charging rule functions PCRF entity to SBC, sends instruction information according to the information of the state of PCRF entity to S-CSCF entity.In the embodiment of the present invention, SBC, when getting the status information particularly PCRF fault of PCRF entity, actively sends the instruction information of PCRF entity fault to S-CSCF entity.S-CSCF entity is after the status information obtaining PCRF, by the state information notification home subscriber server (HSS of PCRF, HomeSubscriberServer), if PCRF fault, HSS will by mobile management entity (MME, MobilityManagementEntity) notice is currently accessed the user offline of fault PCRF, user is made again to initiate connection establishment process, session is tied on the PCRF that state is properly functioning again initiating business request, realize the process to PCRF fault, reduce the impact that user and network are brought.The embodiment of the present invention, when PCRF fault, core net can know the PCRF information of fault, and user can be made again to access, and makes user access other properly functioning PCRF.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing PCRF disaster tolerance；
Fig. 2 is the flow chart of the network element disaster recovery method of the embodiment of the present invention one；
Fig. 3 is the flow chart of the network element disaster recovery method of the embodiment of the present invention two；
Fig. 4 is the flow chart of the network element disaster recovery method of the embodiment of the present invention three；
Fig. 5 is the flow chart of the network element disaster recovery method of the embodiment of the present invention four；
Fig. 6 is the composition structural representation of the network element disaster tolerance device of the embodiment of the present invention one；
Fig. 7 is the composition structural representation of the network element disaster tolerance device of the embodiment of the present invention two.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Fig. 2 is the flow chart of the network element disaster recovery method of example one of the present invention, as in figure 2 it is shown, the network element disaster recovery method of this example comprises the following steps:
The state of step 201, SBC inspection policies and charging rule functions PCRF entity.
In the embodiment of the present invention, SBC can periodically obtain the information of the state of PCRF entity.
Specifically, SBC sends STATUS ENQUIRY message, STATUS ENQUIRY message such as authentication authorization request (AAR, Authentication, AuthorizationRequest) message to described PCRF entity；
When setting the response message receiving described PCRF entity in duration, it is determined that described PCRF entity is properly functioning；Response message such as Certificate Authority answers (AAR, Authentication, AuthorizationAnswer) message.
The response message of described PCRF entity is not received or when setting the response message not receiving described PCRF entity in duration and exceeding setting threshold value, it is determined that described PCRF entity abnormal running in setting duration.
Step 202, detects when described PCRF breaks down, record trouble information.
Detect when PCRF breaks down, record this PCRF fault, in order in time the information of PCRF fault is notified to S-CSCF, facilitate network side to avoid being linked into new business the PCRF of this fault.
Step 203, subscribes to request according to service call conversation control function S-CSCF and reports described fault message to described S-CSCF, or periodically report described fault message to S-CSCF.
In the embodiment of the present invention, SBC is after detecting the information of state of PCRF entity, can actively send to S-CSCF entity, it is also possible to be receive that S-CSCF entity sends for the state information searching message of PCRF entity after, more periodically or real-time send to S-CSCF entity.
Particularly SBC is when detecting that the state of PCRF entity is fault, it should the information of PCRF entity fault sent to S-CSCF entity as early as possible.
Or, after user equipment (UE) completes initial registration, described S-CSCF entity sends the notification message of PCRF state subscription to described SBC, and SBC is after obtaining the information of state of PCRF entity, it is possible to actively send to S-CSCF entity.
In the embodiment of the present invention, after S-CSCF entity receives the instruction information of the SBC PCRF entity fault sent, the information of described PCRF entity fault is notified core network element, make newly to access UE and be tied to other properly functioning PCRF equipment.
When the state of PCRF entity is fault, SBC sends to S-CSCF entity and carries indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity.And when the state of PCRF entity is properly functioning, SBC sends described PCRF entity to S-CSCF entity and indicates information normally.
Fig. 3 is the flow chart of the network element disaster recovery method of example two of the present invention, as it is shown on figure 3, the network element disaster recovery method of this example comprises the following steps:
Step 301, the information of described PCRF entity fault is notified core network element after receiving the instruction information of the Session Border Controller SBC strategy sent and charging rule functions PCRF entity fault by S-CSCF entity.
In the embodiment of the present invention, core network element is HSS espespecially.
In the embodiment of the present invention, SBC is after obtaining the information of state of PCRF entity, can actively send to S-CSCF entity, it is also possible to be receive that S-CSCF entity sends for the state information searching message of PCRF entity after, more periodically or real-time send to S-CSCF entity.
Particularly SBC is when the state of acquisition PCRF entity is fault, it should the information of PCRF entity fault sent to S-CSCF entity as early as possible.
Or, after user equipment (UE) completes initial registration, described S-CSCF entity sends the notification message of PCRF state subscription to described SBC, and SBC is after obtaining the information of state of PCRF entity, it is possible to actively send to S-CSCF entity.
When the state of PCRF entity is fault, SBC sends to S-CSCF entity and carries indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity.And when the state of PCRF entity is properly functioning, SBC sends described PCRF entity to S-CSCF entity and indicates information normally.
Step 302, core network element notice is currently accessed the user offline of fault PCRF, makes user again initiate connection establishment process, it will words are tied on the PCRF that state is properly functioning again initiating business request.
In the embodiment of the present invention, core network element HSS notifies user offline by MME, and user initiates PDN connection building process again, avoids fault PCRF entity, it will words are tied to the normal PCRF entity of other duties.
Below by way of concrete example, it is further elucidated with the essence of the technical scheme of the embodiment of the present invention.
Fig. 4 is the flow chart of the voice service access method of example three of the present invention, and as shown in Figure 4, after UE initial registration completes, S-CSCF subscribes to, to SBC, the notice that PCRF state changes；SBC is receiving after the SUBSCRIBE request of the PCRF state of subscribing to of S-CSCF, when PCRF equipment is normal, return 200OK message, instruction PCRF functions of the equipments are normal, when PCRF equipment fault, SBC records PCRF malfunction, and sends NOTIFY to S-CSCF, indicates PCRF functions of the equipments fault；When PCRF equipment fault, S-CSCF receives the NOTIFY from SBC, PCRF fault is notified to HSS, when user UE needs to access PCRF, HSS notifies user offline by MME, user initiates PDN connection building process again, avoids fault PCRF, it will words are tied to the normal PCRF equipment of other duties.Specifically, the voice service access method of the embodiment of the present invention comprises the following steps:
1, after UE completes initial registration, S-CSCF actively can subscribe to, to SBC, the notice that PCRF state changes；
2, SBC can support that the subscription of S-CSCF is asked, it is possible to judges that PCRF state is normal or fault according to the AAR/AAA message between PCRF；
3, Mw can support that S-CSCF passes through it and subscribes to PCRF state to SBC, and supports that SBC passes through it and returns 200OK or NOTIFY to S-CSCF；
4, S-CSCF receives after the NOTIFY of the instruction PCRF fault of SBC, it is possible to notice HSSPCRF equipment fault, in order to when user accesses PCRF, HSS can notify user offline by MME.
Fig. 5 is the flow chart of the voice service access method of example four of the present invention, as it is shown in figure 5, during PCRF fault, SBC detects PCRF fault, actively sends MESSAGE message to S-CSCF；In the embodiment of the present invention, it is necessary to MESSAGE message is extended so that it is carry the user totem information of PCRF fault message and active user；S-CSCF is receiving after this MESSAGE message of SBC, notifying PCRF fault to HSS, HSS notifies this user offline by MME, and user initiates PDN connection building process again, avoid fault PCRF, it will words are tied to the normal PCRF equipment of other duties.Specifically, the voice service access method of the embodiment of the present invention comprises the following steps:
1, when UE passes through SBC to PCRF initiation request, when PCRF fault, SBC detects PCRF fault, and remembers PCRF malfunction, simultaneously actively to S-CSCF transmission MESSAGE message；
2, this MESSAGE message is extended so that it is carry the user totem information of PCRF fault message and active user；
3, S-CSCF is receiving after the MESSAGE message of SBC, notifying PCRF fault to HSS, HSS notifies this user offline by MME, and user initiates PDN connection building process again, avoid fault PCRF, it will words are tied to the normal PCRF equipment of other duties.
Fig. 6 is the composition structural representation of the network element disaster tolerance device of the embodiment of the present invention one, and as shown in Figure 6, the network element disaster tolerance device of the embodiment of the present invention includes: detects unit 60, record unit 61 and reports unit 62, wherein:
Detection unit 60, for detecting the state of PCRF entity, detects when described PCRF breaks down, triggers described record unit 61；
Record unit 61, for recording the fault message of PCRF entity；
Report unit 62, report described fault message for subscribing to request according to service call conversation control function S-CSCF to described S-CSCF, or periodically report described fault message to S-CSCF.
In the embodiment of the present invention, on the basis of the network element disaster tolerance device shown in Fig. 6, described device also includes:
Receive unit (not shown in Fig. 6), for, after user equipment (UE) completes initial registration, receiving the notification message of the described S-CSCF PCRF state subscription sent；
Accordingly, described in report unit 62, be additionally operable to when determining that the state of PCRF entity is fault, send to described S-CSCF entity and carry indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described report unit 62, be additionally operable to when the state determining PCRF entity is properly functioning, send described PCRF entity to described S-CSCF entity and indicate information normally.
In the embodiment of the present invention, on the basis of the network element disaster tolerance device shown in Fig. 6, described device also includes:
Determining unit (not shown in Fig. 6), whether the report cycle for determining the state of PCRF entity arrives, and reports unit 62 described in triggering during arrival；
Accordingly, described in report unit 62, be additionally operable to when determining that the state of PCRF entity is fault, send to described S-CSCF entity and carry indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described report unit 62, be additionally operable to when the state determining PCRF entity is properly functioning, send described PCRF entity to described S-CSCF entity and indicate information normally.
In the embodiment of the present invention, described detection unit 60 may further include: sends subelement (not shown in Fig. 6), receive subelement (not shown in Fig. 6), first determine that subelement (not shown in Fig. 6) determined by subelement (not shown in Fig. 6) and second, wherein:
Send subelement, for sending STATUS ENQUIRY message to described PCRF entity；
Receive subelement, for receiving the response message of described PCRF entity in setting duration；
First determines subelement, for when setting the response message receiving described PCRF entity in duration, it is determined that described PCRF entity is properly functioning；
Second determines subelement, for not receiving the response message of described PCRF entity in setting duration or when setting the response message not receiving described PCRF entity in duration and exceeding setting threshold value, it is determined that described PCRF entity abnormal running.
Network element disaster tolerance device shown in Fig. 6, is particularly suited in SBC.
It will be appreciated by those skilled in the art that the function that realizes of each processing unit in the network element disaster tolerance device shown in Fig. 6 can refer to the associated description of aforementioned network element disaster recovery method and embodiment and understands.It will be appreciated by those skilled in the art that the function of each processing unit in the network element disaster tolerance device shown in Fig. 6 can be realized by the program that runs on processor, it is possible to realized by concrete logic circuit.
Fig. 7 is the composition structural representation of the network element disaster tolerance device of the embodiment of the present invention two, as it is shown in fig. 7, the network element disaster tolerance device of the embodiment of the present invention includes: receive unit 70 and notification unit 71, wherein:
Receive unit 70, for receiving the instruction information of the Session Border Controller SBC strategy sent and charging rule functions PCRF entity fault；
Notification unit 71, for notifying core network element by the information of described PCRF entity fault.
On the basis of the network element disaster tolerance device shown in Fig. 7, described device also includes:
Transmitting element (not shown in Fig. 7), for, after user equipment (UE) completes initial registration, sending the notification message of PCRF state subscription to described SBC.
Network element disaster tolerance device shown in Fig. 7, is particularly suited in S-CSCF entity.
It will be appreciated by those skilled in the art that the function that realizes of each processing unit in the network element disaster tolerance device shown in Fig. 7 can refer to the associated description of aforementioned network element disaster recovery method and embodiment and understands.It will be appreciated by those skilled in the art that the function of each processing unit in the network element disaster tolerance device shown in Fig. 7 can be realized by the program that runs on processor, it is possible to realized by concrete logic circuit.
Between technical scheme described in the embodiment of the present invention, when not conflicting, it is possible to combination in any.
In several embodiments provided by the present invention, it should be understood that disclosed method, device and electronic equipment, it is possible to realize by another way.Apparatus embodiments described above is merely schematic, such as, the division of described unit, it is only a kind of logic function to divide, actual can have other dividing mode when realizing, and as: multiple unit or assembly can be in conjunction with, or is desirably integrated into another system, or some features can ignore, or do not perform.It addition, the coupling each other of shown or discussed each ingredient or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, equipment or unit, it is possible to be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, it is also possible to be distributed on multiple NE；Part or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit, it is also possible to be that each unit is individually as a unit, it is also possible to two or more unit are integrated in a unit；Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ hardware adds the form of application function unit and realizes.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage medium includes: movable storage device, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
Or, if the above-mentioned integrated unit of the embodiment of the present invention realizes using the form of applied function module and as independent production marketing or when using, it is also possible to be stored in a computer read/write memory medium.Based on such understanding, the part that prior art is contributed by the technical scheme of the embodiment of the present invention substantially in other words can embody with the form of application product, these computer application products are stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server or the network equipment etc.) performs all or part of of method described in each embodiment of the present invention.And aforesaid storage medium includes: movable storage device, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
Protection scope of the present invention is not limited thereto, and those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should be encompassed within protection scope of the present invention.
Claims (12)
1. a network element disaster recovery method, it is characterised in that described method includes:
The state of Session Border Controller SBC inspection policies and charging rule functions PCRF entity；
Detect when described PCRF breaks down, record trouble information；
Subscribe to request according to service call conversation control function S-CSCF and report described fault message to described S-CSCF, or periodically report described fault message to S-CSCF.
2. method according to claim 1, it is characterised in that described subscription according to service call conversation control function S-CSCF asks to report described fault message to described S-CSCF, including:
After user equipment (UE) completes initial registration, described SBC receives the notification message of the described S-CSCF PCRF state subscription sent；
Described SBC detects the state of PCRF entity when being fault, sends to described S-CSCF entity and carries indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
When the state of described SBC detection PCRF entity is properly functioning, sends described PCRF entity to described S-CSCF entity and indicate information normally.
3. method according to claim 1, it is characterised in that described periodicity reports described fault message to S-CSCF, including:
Described SBC determines when the state of PCRF entity is fault, periodically sends to described S-CSCF entity and carries indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described SBC determines when the state of PCRF entity is properly functioning, periodically sends described PCRF entity to described S-CSCF entity and indicates information normally.
4. method according to claim 1, it is characterised in that described SBC obtains the information of the state of PCRF entity, including:
Described SBC sends STATUS ENQUIRY message to described PCRF entity,
When setting the response message receiving described PCRF entity in duration, it is determined that described PCRF entity is properly functioning；
The response message of described PCRF entity is not received or when setting the response message not receiving described PCRF entity in duration and exceeding setting threshold value, it is determined that described PCRF entity abnormal running in setting duration.
5. a network element disaster recovery method, it is characterised in that described method includes:
After service call conversation control function S-CSCF entity receives the instruction information of the Session Border Controller SBC strategy sent and charging rule functions PCRF entity fault, the information of described PCRF entity fault is notified core network element, makes newly to access UE and be tied to other properly functioning PCRF equipment.
6. method according to claim 5, it is characterised in that before described S-CSCF entity receives the instruction information of the SBC PCRF entity fault sent, described method also includes:
After user equipment (UE) completes initial registration, described S-CSCF entity sends the notification message of PCRF state subscription to described SBC.
7. a network element disaster tolerance device, it is characterised in that described device includes: detect unit, record unit and report unit, wherein:
Detection unit, for detecting the state of PCRF entity, detects when described PCRF breaks down, triggers described record unit；
Record unit, for recording the fault message of PCRF entity；
Report unit, report described fault message for subscribing to request according to service call conversation control function S-CSCF to described S-CSCF, or periodically report described fault message to S-CSCF.
8. device according to claim 7, it is characterised in that described device also includes:
Receive unit, for, after user equipment (UE) completes initial registration, receiving the notification message of the described S-CSCF PCRF state subscription sent；
Accordingly, described in report unit, be additionally operable to when determining that the state of PCRF entity is fault, send to described S-CSCF entity and carry indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described report unit, be additionally operable to when the state determining PCRF entity is properly functioning, send described PCRF entity to described S-CSCF entity and indicate information normally.
9. device according to claim 7, it is characterised in that described device also includes:
Determining unit, whether the report cycle for determining the state of PCRF entity arrives, and reports unit described in triggering during arrival；
Accordingly, described in report unit, be additionally operable to when determining that the state of PCRF entity is fault, send to described S-CSCF entity and carry indicating fault and be currently accessed the instruction information of user equipment (UE) identification information of described PCRF entity；
Described report unit, be additionally operable to when the state determining PCRF entity is properly functioning, send described PCRF entity to described S-CSCF entity and indicate information normally.
10. device according to claim 7, it is characterised in that described detection unit includes: send subelement, receive subelement, first determine that subelement determined by subelement and second, wherein:
Send subelement, for sending STATUS ENQUIRY message to described PCRF entity；
Receive subelement, for receiving the response message of described PCRF entity in setting duration；
First determines subelement, for when setting the response message receiving described PCRF entity in duration, it is determined that described PCRF entity is properly functioning；
Second determines subelement, for not receiving the response message of described PCRF entity in setting duration or when setting the response message not receiving described PCRF entity in duration and exceeding setting threshold value, it is determined that described PCRF entity abnormal running.
11. a network element disaster tolerance device, it is characterised in that described device includes: receive unit and notification unit, wherein:
Receive unit, for receiving the instruction information of the Session Border Controller SBC strategy sent and charging rule functions PCRF entity fault；
Notification unit, for notifying core network element by the information of described PCRF entity fault.
12. device according to claim 11, it is characterised in that described device also includes:
Transmitting element, for, after user equipment (UE) completes initial registration, sending the notification message of PCRF state subscription to described SBC.
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| CN201410796054.3A CN105764082B (en) | 2014-12-18 | 2014-12-18 | Network element disaster recovery method and device |
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| CN201410796054.3A CN105764082B (en) | 2014-12-18 | 2014-12-18 | Network element disaster recovery method and device |
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| CN105764082A true CN105764082A (en) | 2016-07-13 |
| CN105764082B CN105764082B (en) | 2019-06-25 |
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| CN201410796054.3A Active CN105764082B (en) | 2014-12-18 | 2014-12-18 | Network element disaster recovery method and device |
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| WO2019210502A1 (en) * | 2018-05-04 | 2019-11-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for data transmission |
| CN110650026A (en) * | 2018-06-26 | 2020-01-03 | 中国电信股份有限公司 | Communication method, system, PGW and computer readable storage medium |
| CN113132322A (en) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | Communication method and device |
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| CN105764082B (en) | 2019-06-25 |
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