CN106470441B - A kind of disaster-tolerant recovery method and system - Google Patents
A kind of disaster-tolerant recovery method and system Download PDFInfo
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- CN106470441B CN106470441B CN201510514254.XA CN201510514254A CN106470441B CN 106470441 B CN106470441 B CN 106470441B CN 201510514254 A CN201510514254 A CN 201510514254A CN 106470441 B CN106470441 B CN 106470441B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The present invention discloses a kind of disaster-tolerant recovery method and system, wherein carrying out heartbeat detection to current the first P-CSCF unit for providing service by PCRF unit, if the first P-CSCF unit breaks down, PCRF unit sends failure indication information to PGW；When there is business associated with the first P-CSCF unit, PGW sends more new bearer request to user terminal associated with business；User terminal reregisters with the 2nd P-CSCF unit for adapter tube according to the more new bearer request received, so as to by the 2nd P-CSCF unit bearer service.The application increases heartbeat detection mechanism due to not needing between PGW and P-CSCF, saves the resource consumption of equipment；And after PCRF detects the failure of P-CSCF, it does not need directly to notify all users while initiating to register to the P-CSCF of adapter tube again, but the service request triggering re-register based on user terminal is to complete calling task, to avoid the problem that equipment while handle a large amount of re-register signalings that equipment is caused to paralyse, the reliability of disaster-tolerant recovery is improved.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of disaster-tolerant recovery method and system.
Background technique
VoLTE (Voice over LTE, the voice service based on LTE) passes through LTE and IMS (IP Multimedia
Subsystem, IP multimedia subsystem) network implementations, LTE network offer 4G user's access, IMS network offer 4G user speech
Business.Agent call session control equipment (P-CSCF, Proxy-Call Session Control Function) is 4G user
The Ingress node for accessing IMS network, is IMS network core network element, packet data gateway (PGW, the Packet with LTE network
Gateway), strategy and charging control function equipment (PCRF, Policy and Charging Rules Function) connection,
It is mainly responsible for the agency of user's VoLTE business related signaling and message, by the SIP (Session of visited place access network
Initiation Protocol, session initiation protocol) affairs are transferred to the IMS network of its ownership place.Packet data network gateway
(PGW) equipment is to be responsible for the IP address of UE as the user data bearer path between gateway (SGW) and P-CSCF equipment
Distribution, the routing and forward of service billing, data packet.PCRF obtains business information from P-CSCF, and according to corresponding business plan
QoS control is slightly carried out to it and executes corresponding charging policy.
With reference to Fig. 1, current existing disaster tolerance technology specifically includes the P-CSCF method for carrying out disaster-tolerant recovery using PGW:
Step S102, PGW increase heartbeat detection mechanism using additional, carry out heartbeat detection to P-CSCF.
Step S104, after PGW detects the failure of P-CSCF, the user terminal of Xiang Suoyou sends more new bearer request, with
Just all user terminals are triggered and to spare P-CSCF while initiating to register again.
After receiving the more new bearer request of all user terminals, the user terminal of Xiang Suoyou is sent by step S106, PGW
The response of more new bearer.
Step S108, all user terminals send re-register request to spare P-CSCF simultaneously.
Step S110, spare P-CSCF send re-register response to all user terminals.
When spare P-CSCF receives the originating service request about user terminal, that is, execute the caller of user terminal
When disaster-tolerant recovery, following steps are executed:
Step S112, user terminal send originating service request to spare P-CSCF.
Step S114, spare P-CSCF send originating service response to user terminal, to complete calling service.
When spare P-CSCF receives the callee function request about user terminal, i.e., execution user terminal is called
When disaster-tolerant recovery, following steps are executed:
Step S116, spare P-CSCF receive the callee function request that network side equipment is sent to user terminal.
Step S118, spare P-CSCF are requested to user terminal hair callee function.
Step S120, user terminal sends callee function response to spare P-CSCF, to complete called service.
It can be seen that in the disaster-tolerant recovery method of the prior art, when P-CSCF equipment fault, due to PGW and P-
Without reliable heartbeat detection mechanism between CSCF, PGW need to increase heartbeat detection mechanism additionally to detect the event of the equipment of P-CSCF
Barrier, consumption resource are larger；And after PGW detects P-CSCF failure, need the institute under the P-CSCF registration to failure useful
Re-register is triggered simultaneously in family, is realized by more new bearer request and response, and usual P-CSCF equipment maximum capacity is 2,000,000
User, a large number of users is registered simultaneously to cause network equipment failure avalanche effect due to unexpected blowout signaling storm.In addition,
Before user reregisters with spare P-CSCF, call business request related to user will be interrupted, and will not keep working as
Preceding service request affects the real-time of disaster tolerance business recovery.
Summary of the invention
One technical problem to be solved by the embodiment of the invention is that: P-CSCF is held using PGW in the prior art
Calamity is restored consumption resource and is increased, and the problem of be easy to cause signaling storm.
According to an aspect of an embodiment of the present invention, a kind of disaster-tolerant recovery method provided, comprising:
PCRF unit carries out heartbeat detection to current the first P-CSCF unit for providing service, to judge that the first P-CSCF is mono-
Whether member breaks down；
If the first P-CSCF unit breaks down, PCRF unit sends failure indication information to PGW；
When there is business associated with the first P-CSCF unit, PGW is sent to user terminal associated with business
More new bearer request；
User terminal reregisters with the 2nd P-CSCF unit for adapter tube according to the more new bearer request received,
So as to by the 2nd P-CSCF unit bearer service.
In one embodiment, when there is business associated with the first P-CSCF unit, PGW is to associated with business
User terminal send more new bearer request the step of include:
PGW judges the purpose IP address of originating service request after receiving the originating service request of user terminal transmission
Whether be the first P-CSCF unit IP address；
If purpose IP address is the IP address of the first P-CSCF unit, PGW keeps originating service, will not interrupt active calls
Service request, and more new bearer request is sent to user terminal, the 2nd P-CSCF unit is reregistered with indicating user terminal.
In one embodiment, user terminal is reregistered with according to the more new bearer request received for adapter tube
2nd P-CSCF unit, to include: by the step of the 2nd P-CSCF unit bearer service
User terminal sends registration request after receiving more new bearer request, to the 2nd P-CSCF unit；
2nd P-CSCF unit carries out location registration process after receiving re-register request, to user terminal；
PGW is sent to the 2nd P- after user terminal is registered to the 2nd P-CSCF unit, by the originating service request of holding
CSCF unit, to carry originating service by the 2nd P-CSCF unit.
In one embodiment, when there is business associated with the first P-CSCF unit, PGW is to associated with business
User terminal send more new bearer request the step of include:
When the callee function request for user terminal occur, network side equipment is judging current offer service by PCRF
It is twoth P-CSCF unit of the callee function distribution of user terminal for adapter tube after first P-CSCF unit breaks down, and
Callee function request is sent to the 2nd P-CSCF unit；
2nd P-CSCF unit inquires the registration information for itself whether having user terminal；
If itself not having the registration information of user terminal, the 2nd P-CSCF unit keeps the callee function of user, will not
Interrupt active calls service request, and indicate PCRF to PGW send adapter tube update message, adapter tube update message comprising user again
The address information of 2nd P-CSCF unit of registration；
PGW sends more new bearer request after receiving adapter tube update message, to user terminal, is used to indicate user terminal
Reregister with the 2nd P-CSCF unit.
In one embodiment, if itself has the registration information of user terminal, the 2nd P-CSCF unit will directly be connect
The callee function request received is sent to user terminal.
In one embodiment, user terminal is reregistered with according to the more new bearer request received for adapter tube
The step of 2nd P-CSCF unit includes:
User terminal sends registration request after receiving more new bearer request, to the 2nd P-CSCF unit；
2nd P-CSCF unit carries out location registration process after receiving re-register request, to user terminal；
2nd P-CSCF unit is sent to user terminal after the completion of registration, by the callee function request of holding.
According to another aspect of the present invention, a kind of disaster-tolerant recovery system is provided, comprising: the first P-CSCF unit, the 2nd P-
CSCF unit, PCRF unit, PGW and user terminal, in which:
PCRF unit, for carrying out heartbeat detection to current the first P-CSCF unit for providing service, to judge the first P-
Whether CSCF unit breaks down；If the first P-CSCF unit breaks down, failure indication information is sent to PGW；
PGW is used for when there is business associated with the first P-CSCF unit, to user terminal associated with business
Send more new bearer request；
User terminal, for reregistering with the 2nd P-CSCF for adapter tube according to the more new bearer request received
Unit, so as to by the 2nd P-CSCF unit bearer service.
In one embodiment, for PGW specifically after receiving the originating service request of user terminal transmission, judgement originates industry
Be engaged in request purpose IP address whether be the first P-CSCF unit IP address；If purpose IP address is the first P-CSCF unit
IP address then keeps originating service, will not interrupt active calls service request, and send more new bearer request to user terminal,
The 2nd P-CSCF unit is reregistered with indicating user terminal.
In one embodiment, user terminal is also used to after receiving more new bearer request, to the 2nd P-CSCF unit
Send registration request；
2nd P-CSCF unit is also used to after receiving re-register request, carries out location registration process to user terminal；
PGW is also used to after user terminal is registered to the 2nd P-CSCF unit, and the originating service request of holding is sent to
2nd P-CSCF unit, to carry originating service by the 2nd P-CSCF unit.
In one embodiment, above system further include: network side equipment, in which:
Network side equipment, for judging current provide by PCRF when the callee function request for user terminal occur
It is that twoth P-CSCF of the callee function distribution of user terminal for adapter tube is mono- after first P-CSCF unit of service breaks down
Member, and callee function request is sent to the 2nd P-CSCF unit；
2nd P-CSCF unit is also used to after receiving callee function request, inquires whether itself has user terminal
Registration information；If itself not having the registration information of user terminal, the callee function of user is kept, active calls industry will not be interrupted
Business request, and indicate that PCRF sends adapter tube update message to PGW, adapter tube update message includes the 2nd P- that user re-registers
The address information of CSCF unit；
PGW is also used to after receiving adapter tube update message, is sent more new bearer request to user terminal, is used to indicate use
Family terminal reregisters with the 2nd P-CSCF unit.
In one embodiment, the 2nd P-CSCF unit is also used in the registration information that itself has user terminal, directly
It connects and the callee function received request is sent to user terminal.
In one embodiment, user terminal is also used to after receiving more new bearer request, to the 2nd P-CSCF unit
Send registration request；
2nd P-CSCF unit is also used to after receiving re-register request, carries out location registration process to user terminal；It is infusing
After the completion of volume, the callee function request of holding is sent to user terminal.
The embodiment of the present invention realizes the detection to P-CSCF by the existing heartbeat detection mechanism of PCRF, without
Increase heartbeat detection mechanism between PGW and P-CSCF, to save the resource consumption of equipment；And when PCRF detects P-
After the failure of CSCF, does not need directly to notify all users under P-CSCF service while being initiated again to the P-CSCF of adapter tube
Registration, but the triggering re-register of the service request based on user terminal and then completion calling task, so as to avoid the network equipment
Avalanche effect, and active calls service request will not be interrupted, improve disaster-containing pipe reliability and real-time.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 shows the information schematic diagram of the disaster-tolerant recovery method of the prior art.
Fig. 2 shows the flow diagrams of one embodiment of disaster-tolerant recovery method of the invention.
Fig. 3 shows the information exchange figure of one embodiment of the disaster-tolerant recovery method of calling service of the invention.
Fig. 4 shows the information exchange figure of one embodiment of the disaster-tolerant recovery method of called service of the invention.
Fig. 5 shows the structural schematic diagram of one embodiment of the system of disaster-tolerant recovery of the invention.
Fig. 6 shows the structural schematic diagram of the further embodiment of the system of disaster-tolerant recovery of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 2 is the flow diagram of one embodiment of disaster-tolerant recovery method of the invention.As shown in Fig. 2, the embodiment
Method include:
Step S202, PCRF unit carry out heartbeat detection to current the first P-CSCF unit for providing service, to judge the
Whether one P-CSCF unit breaks down.
Step S204, if the first P-CSCF unit breaks down, PCRF unit sends failure indication information to PGW.
Step S206, when there is business associated with the first P-CSCF unit, PGW is to user associated with business
Terminal sends more new bearer request.
Step S208, user terminal reregister with the 2nd P- for adapter tube according to the more new bearer request received
CSCF unit, so as to by the 2nd P-CSCF unit bearer service.
The embodiment of the present invention realizes the detection to P-CSCF by the existing heartbeat detection mechanism of PCRF, without
Increase heartbeat detection mechanism between PGW and P-CSCF, to save the resource consumption of equipment；And when PCRF detects P-
After the failure of CSCF, does not need directly to notify all users under P-CSCF service while being initiated again to the P-CSCF of adapter tube
Registration, but the triggering re-register of the service request based on user terminal and then completion calling task, simultaneously so as to avoid equipment
Handling a large amount of re-register signalings causes equipment to paralyse, and will not interrupt active calls service request, and it is reliable to improve disaster-containing pipe
Property and real-time.
In the embodiment of disaster-tolerant recovery method of the invention, business associated with the first P-CSCF may include: use
The called service that the lateral user terminal of calling service or network that family terminal is initiated is initiated, therefore the disaster-tolerant recovery side of the application
Method may include the method to the disaster-tolerant recovery of the calling service and called service of user terminal.
One, when business associated with the first P-CSCF is the calling service that user terminal is initiated:
In step S206, when there is calling service associated with the first P-CSCF unit, PGW to calling service
The step of associated user terminal transmission more new bearer request, can specifically include:
PGW judges the purpose IP address of originating service request after receiving the originating service request of user terminal transmission
Whether be the first P-CSCF unit IP address.If purpose IP address is the IP address of the first P-CSCF unit, PGW holding is originated
Business will not interrupt active calls service request, and send more new bearer request to user terminal, again with indicating user terminal
It is registered to the 2nd P-CSCF unit.
Certainly, if purpose IP address is the IP address of the P-CSCF unit of other normal works, PGW can will originate industry
Business request is forwarded directly on corresponding P-CSCF unit according to purpose IP address.
In step S208, user terminal reregisters with for adapter tube according to the more new bearer request received
Two P-CSCF units, to can specifically include by the step of the 2nd P-CSCF unit bearer service:
User terminal sends registration request after receiving more new bearer request, to the 2nd P-CSCF unit.
2nd P-CSCF unit carries out location registration process after receiving re-register request, to user terminal.
PGW is sent to the 2nd P- after user terminal is registered to the 2nd P-CSCF unit, by the originating service request of holding
CSCF unit, to carry calling service by the 2nd P-CSCF unit.
Two, when business associated with the first P-CSCF is the called service that network side is initiated:
In step S206, when there is called service associated with the first P-CSCF unit, PGW to called service
Associated user terminal sends the step of more new bearer request and may include:
When the callee function request for user terminal occur, network side equipment is judging current offer service by PCRF
It is twoth P-CSCF unit of the callee function distribution of user terminal for adapter tube after first P-CSCF unit breaks down, and
Callee function request is sent to the 2nd P-CSCF unit.2nd P-CSCF unit inquires the note for itself whether having user terminal
Volume information, if itself not having the registration information of user terminal, the 2nd P-CSCF unit keeps the callee function of user, Bu Huizhong
Disconnected active calls service request, and indicate that PCRF sends adapter tube update message to PGW, adapter tube update message includes that user infuses again
The address information of 2nd P-CSCF unit of volume.PGW sends more new bearer after receiving adapter tube update message, to user terminal
Request, is used to indicate user terminal and reregisters with the 2nd P-CSCF unit.
In addition, the 2nd P-CSCF unit is direct if the 2nd P-CSCF unit itself has the registration information of user terminal
The callee function received request is sent to user terminal.
In step S208, user terminal reregisters with for adapter tube according to the more new bearer request received
The step of two P-CSCF units includes:
User terminal sends registration request after receiving more new bearer request, to the 2nd P-CSCF unit；2nd P-
CSCF unit carries out location registration process after receiving re-register request, to user terminal；2nd P-CSCF unit is completed in registration
Afterwards, the callee function request of holding is sent to user terminal.
Fig. 3 is the information exchange figure of one embodiment of the method for the disaster-tolerant recovery of calling service of the invention.This scene
Illustrate that the first P-CSCF unit of current service breaks down, and calling service when user terminal is not re-registered holds
Calamity restoration methods, with reference to Fig. 3, the method comprise the steps that
Step S302, PCRF unit carry out heartbeat detection to current the first P-CSCF unit for providing service, to judge the
Whether one P-CSCF unit breaks down, wherein PCRF specifically can work as premise by diameter protocol heart-beat message detection
For service the first P-CSCF unit whether failure.
Step S304, when the first P-CSCF unit breaks down, PCRF detects that the first P-CSCF unit breaks down,
Then PCRF unit sends failure indication information to PGW, to notify the first P-CSCF cell failure of PGW current service, wherein therefore
Barrier instruction information may include: the failure identification of the first P-CSCF unit.
Step S306, when user terminal sends originating call request to PGW, to establish calling service.Due to user's end
End does not find the first P-CSCF unit that it is currently registered failure, so at the business that originating call request at this time carries
Reason server is the first P-CSCF unit, packaged by the purpose IP address of IP packet be also the first P-CSCF unit.
Step S308 after PGW receives the originating call request of user terminal transmission, judges originating call request at this time
Purpose IP address whether be failure the first P-CSCF unit, if purpose IP address is the first P-CSCF of failure
Unit then keeps the calling service of user, to guarantee that user's call business request at this time is not interrupted, and sends out to user terminal
More new bearer request is sent, to notify user terminal to re-start registration to the 2nd P-CSCF unit of adapter tube.
Step S310, user terminal send more new bearer to PGW and ring after the more new bearer request for receiving PGW transmission
It answers.
Step S312, user terminal is according to the more new bearer request received, to the 2nd P-CSCF unit for adapter tube
Re-register request is sent, so as to by the 2nd P-CSCF unit bearer service.
Step S314, the 2nd P-CSCF unit send re-register response to user terminal, wherein after step S314, also
It may include the step of user's VOLTE Service Process Server to be updated to the 2nd P-CSCF unit of adapter tube.
The originating service kept before request is forwarded to the 2nd P-CSCF unit by step S316, PGW.
Step S318, the 2nd P-CSCF unit send originating service response to PGW.
Step S320, PGW are after receiving originating service response, to user terminal forwarding originating service response, thus complete
At the processing of calling service.
Fig. 4 is the information exchange figure of one embodiment of the method for the disaster-tolerant recovery of called service of the invention.This scene
Illustrate that the first P-CSCF unit of current service breaks down, and called service when user terminal is not re-registered holds
Calamity restoration methods, with reference to Fig. 4, the method comprise the steps that
Step S402, PCRF unit carry out heartbeat detection to current the first P-CSCF unit for providing service, to judge the
Whether one P-CSCF unit breaks down.
Step S404, when the first P-CSCF unit breaks down, PCRF detects that the first P-CSCF unit breaks down,
Then PCRF unit sends failure indication information to PGW.
Step S406, if user has callee function request at this time, network side equipment finds that user works as premise by PCRF
It is in malfunction for the first P-CSCF unit of service, then sends callee function to the 2nd P-CSCF unit for adapter tube and asks
It asks.
Step S408, the 2nd P-CSCF unit for adapter tube itself do not have the registration information of user terminal, then will at this time
User's called service keep, do not interrupt user called service request, and to PCRF send adapter tube update message.Wherein,
Adapter tube update message can be realized by the Notify extension of message adapter tube undated parameter of diameter agreement.Wherein, it takes over more
New information includes: the address information for the 2nd P-CSCF unit that user re-registers.
The processing business and updates message received is sent to PGW by step S410, PCRF, so that PGW notice user terminal is current
First P-CSCF cell failure of service needs user terminal to reregister with the 2nd P-CSCF unit to establish carrying.
Step S412, PGW send more new bearer request to user terminal, indicate that current the first P-CSCF for providing service is mono-
First failure, and need to initiate to re-register to the 2nd P-CSCF unit.
Step S414, user terminal send the response of more new bearer to PGW.
Step S416, user terminal send re-register request to the 2nd P-CSCF unit of adapter tube.
The 2nd P-CSCF unit of step S418, adapter tube send re-register response to user terminal.
The 2nd P-CSCF unit of step S420, adapter tube send callee function request to user terminal.
Step S422, user terminal send callee function response to the 2nd P-CSCF unit of adapter tube.
Wherein, in step S408, if the 2nd P-CSCF unit itself has the registration information of user terminal, second
The callee function received request is directly sent to user terminal by P-CSCF unit.
Fig. 5 is the structural schematic diagram of one embodiment of the system of disaster-tolerant recovery of the invention.It is of the invention with reference to Fig. 5
The system of disaster-tolerant recovery includes: the first P-CSCF unit 502, the 2nd P-CSCF unit 504, PCRF unit 506, PGW508 and use
Family terminal 510, in which:
PCRF unit 506, for carrying out heartbeat detection to current the first P-CSCF unit 502 for providing service, with judgement
Whether the first P-CSCF unit 502 breaks down；If the first P-CSCF unit 502 breaks down, failure is sent to PGW508
Instruction message.
PGW508, for when occurring with the first P-CSCF 502 associated business of unit, to associated with institute's business
User terminal 510 sends more new bearer request.
User terminal 510, for reregistering with the 2nd P- for adapter tube according to the more new bearer request received
CSCF unit 504, so as to by 504 bearer service of the 2nd P-CSCF unit.
In one embodiment, PGW508 judges specifically after receiving the originating service request of the transmission of user terminal 510
Originating service request purpose IP address whether be the first P-CSCF unit IP address；If purpose IP address is the first P-CSCF
The IP address of unit then keeps the originating service of user, will not interrupt current call business request, and send to user terminal
More new bearer request reregisters with the 2nd P-CSCF unit 504 with indicating user terminal.
In one embodiment, user terminal 510 is also used to after receiving more new bearer request, mono- to the 2nd P-CSCF
Member 504 sends registration request；2nd P-CSCF unit 504 be also used to receive re-register request after, to user terminal 510 into
Row location registration process.
PGW508 is also used to after user terminal 510 is registered to the 2nd P-CSCF unit 504, and originating service is requested to send
To the 2nd P-CSCF unit 504, to carry originating service by the 2nd P-CSCF unit 504.
In one embodiment, with reference to Fig. 6, disaster-tolerant recovery system further include: network side equipment 512, in which:
Network side equipment 512, for working as by PCRF judgement when the callee function request for user terminal 510 occur
It is twoth P- of the callee function distribution of user terminal for adapter tube after preceding the first P-CSCF unit for providing service breaks down
CSCF unit, and callee function request is sent to the 2nd P-CSCF unit.
2nd P-CSCF unit 504 is also used to after receiving callee function request, and whether inquire itself has user whole
The registration information at end；If itself not having the registration information of user terminal, the callee function of user is kept, will not interrupt and currently exhale
It is service request, and indicates that PCRF506 sends adapter tube update message to PGW508, adapter tube update message is re-registered comprising user
The 2nd P-CSCF unit address information.
PGW508 is also used to after receiving adapter tube update message, is sent more new bearer request to user terminal 510, is used for
Indicating user terminal 510 reregisters with the 2nd P-CSCF unit 504.
In one embodiment, the 2nd P-CSCF unit 504 is also used in the registration information for itself having user terminal 510
When, the callee function received request is directly sent to user terminal 510.
In one embodiment, user terminal 510 is also used to after receiving more new bearer request, mono- to the 2nd P-CSCF
Member 504 sends registration request.
2nd P-CSCF unit 504 is also used to after receiving re-register request, carries out registration office to user terminal 510
Reason；After the completion of registration, the callee function received request is sent to user terminal 510.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of disaster-tolerant recovery method characterized by comprising
PCRF unit carries out heartbeat detection to current the first P-CSCF unit for providing service, to judge that the first P-CSCF unit is
No failure；
If the first P-CSCF unit breaks down, PCRF unit sends failure indication information to PGW；
When there is business associated with the first P-CSCF unit, PGW is sent to user terminal associated with the business
More new bearer request, wherein PGW originates industry after receiving the originating service request that the user terminal is sent described in judgement
Be engaged in request purpose IP address whether be the first P-CSCF unit IP address；If the destination IP address is that the first P-CSCF is mono-
The IP address of member, the PGW keep the originating service, will not interrupt active calls service request, and to the user terminal
More new bearer request is sent, to indicate that the user terminal reregisters with the 2nd P-CSCF unit；
The user terminal reregisters with the 2nd P-CSCF unit for adapter tube according to the more new bearer request received,
To carry the business by the 2nd P-CSCF unit.
2. the method according to claim 1, wherein
The user terminal reregisters with the 2nd P-CSCF unit for adapter tube according to the more new bearer request received,
To include: the step of carrying the business by the 2nd P-CSCF unit
The user terminal sends registration request after receiving the more new bearer request, to the 2nd P-CSCF unit；
2nd P-CSCF unit carries out location registration process after receiving the registration request, to the user terminal；
PGW is sent to the 2nd P- after the user terminal is registered to the 2nd P-CSCF unit, by the originating service request of holding
CSCF unit, to carry originating service by the 2nd P-CSCF unit.
3. the method according to claim 1, wherein
When there is business associated with the first P-CSCF unit, PGW is sent to user terminal associated with the business
The step of more new bearer request includes:
When the callee function request for the user terminal occur, network side equipment is judging current offer service by PCRF
It is that twoth P-CSCF of the callee function distribution of the user terminal for adapter tube is mono- after first P-CSCF unit breaks down
Member, and callee function request is sent to the 2nd P-CSCF unit；
2nd P-CSCF unit inquires the registration information for itself whether having the user terminal；
If itself not having the registration information of the user terminal, the 2nd P-CSCF unit keeps the callee function of user, will not
Active calls service request is interrupted, and indicates that PCRF sends adapter tube update message to PGW, the adapter tube update message includes user
The address information of the 2nd P-CSCF unit re-registered；
For PGW after receiving adapter tube update message, Xiang Suoshu user terminal sends more new bearer request, is used to indicate the user
Terminal reregisters with the 2nd P-CSCF unit.
4. according to the method described in claim 3, it is characterized in that,
If itself has the registration information of the user terminal, the 2nd P-CSCF unit directly asks the callee function received
It asks and is sent to the user terminal.
5. according to the method described in claim 4, it is characterized in that,
The user terminal reregisters with the 2nd P-CSCF unit for adapter tube according to the more new bearer request received
Step includes:
The user terminal sends registration request after receiving the more new bearer request, to the 2nd P-CSCF unit；
2nd P-CSCF unit carries out location registration process after receiving the registration request, to the user terminal；
2nd P-CSCF unit is sent to the user terminal after the completion of registration, by the callee function request of holding.
6. a kind of disaster-tolerant recovery system characterized by comprising the first P-CSCF unit, the 2nd P-CSCF unit, PCRF are mono-
Member, PGW and user terminal, in which:
PCRF unit, for carrying out heartbeat detection to current the first P-CSCF unit for providing service, to judge the first P-CSCF
Whether unit breaks down；If the first P-CSCF unit breaks down, failure indication information is sent to PGW；
PGW is used for when there is business associated with the first P-CSCF unit, to user terminal associated with the business
Send more new bearer request, wherein PGW specifically after receiving the originating service request that the user terminal is sent, judges institute
State originating service request purpose IP address whether be the first P-CSCF unit IP address；If the destination IP address is first
The IP address of P-CSCF unit then keeps the originating service, will not interrupt active calls service request, and whole to the user
End sends more new bearer request, to indicate that the user terminal reregisters with the 2nd P-CSCF unit；
The user terminal, for reregistering with the 2nd P-CSCF for adapter tube according to the more new bearer request received
Unit, to carry the business by the 2nd P-CSCF unit.
7. system according to claim 6, which is characterized in that
The user terminal is also used to after receiving the more new bearer request, is sent registration to the 2nd P-CSCF unit and is asked
It asks；
2nd P-CSCF unit is also used to after receiving the registration request, carries out location registration process to the user terminal；
PGW is also used to after the user terminal is registered to the 2nd P-CSCF unit, and the originating service request of holding is sent to
2nd P-CSCF unit, to carry originating service by the 2nd P-CSCF unit.
8. system according to claim 6, which is characterized in that further include: network side equipment, in which:
Network side equipment, for judging current provide by PCRF when the callee function request for the user terminal occur
It is twoth P- of the callee function distribution of the user terminal for adapter tube after first P-CSCF unit of service breaks down
CSCF unit, and callee function request is sent to the 2nd P-CSCF unit；
2nd P-CSCF unit is also used to after receiving callee function request, inquires whether itself has the user terminal
Registration information；If itself not having the registration information of the user terminal, the callee function of user is kept, will not interrupt and currently exhale
It is service request, and indicates that PCRF sends adapter tube update message to PGW, the adapter tube update message includes what user re-registered
The address information of 2nd P-CSCF unit；
PGW is also used to after receiving adapter tube update message, and Xiang Suoshu user terminal sends more new bearer request, is used to indicate institute
It states user terminal and reregisters with the 2nd P-CSCF unit.
9. system according to claim 8, which is characterized in that
2nd P-CSCF unit is also used to directly exhale the end received in the registration information that itself has the user terminal
Service request is sent to the user terminal.
10. system according to claim 9, which is characterized in that
The user terminal is also used to after receiving the more new bearer request, is sent registration to the 2nd P-CSCF unit and is asked
It asks；
2nd P-CSCF unit is also used to after receiving the registration request, carries out location registration process to the user terminal；In
After the completion of registration, the callee function request of holding is sent to the user terminal.
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| CN201510514254.XA CN106470441B (en) | 2015-08-20 | 2015-08-20 | A kind of disaster-tolerant recovery method and system |
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| CN108737322B (en) * | 2017-04-13 | 2021-01-26 | 展讯通信（上海）有限公司 | Service recovery method and device and mobile terminal |
| CN110099430B (en) * | 2018-01-31 | 2021-12-31 | 华为技术有限公司 | Service equipment switching method and device |
| WO2019210502A1 (en) * | 2018-05-04 | 2019-11-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for data transmission |
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| US20100124223A1 (en) * | 2008-11-18 | 2010-05-20 | Andrew Gibbs | Selective paging in wireless networks |
| JP4742171B2 (en) * | 2010-01-06 | 2011-08-10 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication method, call control node, priority control node, and mobility management node |
| CN102340765B (en) * | 2011-07-18 | 2014-12-17 | 中国电信股份有限公司 | Disaster recovery load balancing method, device and system |
| CN103441862B (en) * | 2013-08-07 | 2017-08-04 | 华为技术有限公司 | It is a kind of to realize method, relevant apparatus and system that terminal called service recovers |
| CN105765933B (en) * | 2013-09-24 | 2019-03-08 | 日本电气株式会社 | P-CSCF restores |
| CN104168275B (en) * | 2014-08-08 | 2018-03-30 | 中国联合网络通信集团有限公司 | A kind of registration control method and device |
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