CN105517031B - The method and device of business recovery after PCRF failure - Google Patents
The method and device of business recovery after PCRF failure Download PDFInfo
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- CN105517031B CN105517031B CN201510889771.5A CN201510889771A CN105517031B CN 105517031 B CN105517031 B CN 105517031B CN 201510889771 A CN201510889771 A CN 201510889771A CN 105517031 B CN105517031 B CN 105517031B
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- network element
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
- H04L41/0661—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities by reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Abstract
The invention discloses a kind of method and devices of business recovery after PCRF failure, are related to information technology field, can reduce the performance consumption to PCRF network element.The described method includes: first when P-CSCF network element receives the VoLTE service request of user terminal transmission, the PCRF network element that P-CSCF network element inquiry user terminal is currently registered, and judge whether PCRF network element breaks down, if PCRF network element breaks down, notification message is then sent to HSS by S-CSCF network element, wherein, disaster tolerance mark is carried in notification message, notification message is for informing S-CSCF network element and HSS, PCRF network element breaks down, then HSS sends IDR message to MME, IDR message is used to indicate the instruction message that MME sends releasing bearing to user terminal, finally when user terminal receives the instruction message of the releasing bearing of MME transmission, user terminal re-registers new PCRF network element.The present invention is suitable for after PCRF failure, realizes business recovery.
Description
Technical field
The present invention relates to information technology field, in particular to the method and device of business recovery after a kind of PCRF failure.
Background technique
With the development of information technology, VoLTE business also develops therewith, wherein Policy and Charging Rules Function (English
Literary full name: Policy and Charging Rules Function, english abbreviation: PCRF) it is the pass realized in VoLTE business
Key network element, is mainly responsible for policy control, and when user initiates business, core net needs to obtain the service class of active user to PCRF
Type strategy, to realize the subsequent processing of VoLTE voice service.Wherein, if after PCRF failure, it is special to will be unable to completion VoLTE voice
There is the foundation of carrying, the voice service of all calling subscribers and called subscriber will fail, and seriously affect the business body of user
It tests.
Currently, after a kind of PCRF failure business recovery method and device, in core net there are primary PCRF network element and
Business is switched to spare PCRF equipment after primary PCRF network element breaks down and carries out policy control by spare PCRF network element,
It wherein, include all conversation messages of user in spare PCRF network element.However, when carrying out business recovery by spare PCRF network element
When, all session informations of no user in spare PCRF network element, to realize business recovery, it is necessary to primary PCRF network element and
The session information that spare PCRF network element needs real-time synchronization user all needs that is, when the relevant data of VoLTE session update
Standby usage PCRF network element carries out data and synchronizes, and all session informations of user is carried in spare PCRF network element to realize, due to master
The synchronous mode of standby network element real-time perfoming data is all the privately owned scheme of device manufacturer, property of this scheme to equipment itself
Energy consumption is larger, and the performance consumption so as to cause PCRF network element is larger.
Summary of the invention
The present invention provides a kind of method and device of business recovery after PCRF failure, can reduce the performance to PCRF network element
Consumption.
The technical solution adopted by the present invention are as follows:
In a first aspect, the present invention provides a kind of method of business recovery after PCRF failure, comprising:
Proxy call conversation control function P-CSCF network element receives the voice VoLTE service request of user terminal transmission
When, the P-CSCF network element inquires the Policy and Charging Rules Function PCRF network element that the user terminal is currently registered；
The P-CSCF network element judges whether the PCRF network element breaks down；
If the PCRF network element breaks down, notification message is passed through service call session control by the P-CSCF network element
Function S-CSCF network element is sent to home signature user server HSS, and disaster tolerance mark is carried in the notification message, described logical
Know message for informing that the S-CSCF network element and the HSS, the PCRF network element break down；
The HSS sends insertion user data requests IDR message to the MME, and the IDR message is used to indicate described
MME sends the instruction message of releasing bearing to the user terminal；
When the user terminal receives the instruction message for the releasing bearing that the MME is sent, the user terminal
Re-register new PCRF network element.
Second aspect, the present invention provides a kind of devices of business recovery after PCRF failure, comprising:
Query unit is located in the P-CSCF network element, connects for proxy call conversation control function P-CSCF network element
When receiving the voice VoLTE service request of user terminal transmission, inquires the strategy that the user terminal is currently registered and advised with charging
Then functional unit PCRF network element；
Judging unit is located in the P-CSCF network element, for judging whether the PCRF network element breaks down；
First transmission unit is located in the P-CSCF network element, for will notify when the PCRF network element breaks down
Message is sent to home signature user server HSS by service call conversation control function S-CSCF network element, and the notice disappears
Disaster tolerance mark is carried in breath, the notification message is for informing the S-CSCF network element and the HSS, the PCRF network element
It breaks down；
Second transmission unit is located in the HSS, for sending insertion user data requests IDR message to the MME,
The IDR message is used to indicate the instruction message that the MME sends releasing bearing to the user terminal；
Unit is re-registered, is located in the user terminal, for receiving what the MME was sent when the user terminal
The instruction message of the releasing bearing re-registers new PCRF network element.
The method and device of business recovery, first proxy call conversation control function after PCRF failure provided by the invention
When P-CSCF network element receives the voice VoLTE service request of user terminal transmission, it is current that P-CSCF network element inquires user terminal
The Policy and Charging Rules Function PCRF network element of registration, and judge whether PCRF network element breaks down, if PCRF network element is sent out
Raw failure, then be sent to home signature user server by service call conversation control function S-CSCF network element for notification message
HSS, wherein disaster tolerance mark is carried in notification message, notification message is for informing S-CSCF network element and HSS, PCRF network element
It breaks down, then HSS sends insertion user data requests IDR message to MME, and IDR message is used to indicate MME to user terminal
The instruction message of releasing bearing is sent, finally when user terminal receives the instruction message of the releasing bearing of MME transmission, user is whole
End re-registers new PCRF network element.Compared with carrying out business recovery by standby usage PCRF network element at present, the present invention passes through upper
The method of stating can know that the PCRF network element of endpoint to register breaks down, and nullify the PCRF network element to break down, and infuse again
The new PCRF network element of volume, so that terminal can carry out VoLTE business by the PCRF network element of new registration, without standby usage
PCRF network element real-time perfoming synchronizing information, it is only necessary to re-register new PCRF network element again, and by using new registration
PCRF network element re-starts VoLTE business, and to realize business recovery, this method passes through signaling process finishing service between network element
Restore, so as to reduce the performance consumption to PCRF network element.
Detailed description of the invention
It, below will be to the present invention or the prior art in order to illustrate more clearly of the present invention or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the method flow diagram of business recovery after PCRF failure in the embodiment of the present invention；
Fig. 2 is the method flow diagram of business recovery after another kind PCRF failure in the embodiment of the present invention；
Fig. 3 is the method flow diagram of business recovery after another PCRF failure in the embodiment of the present invention；
Fig. 4 is the method flow diagram of business recovery after another PCRF failure in the embodiment of the present invention；
Fig. 5 is a kind of schematic device of business recovery after PCRF failure in the embodiment of the present invention；
Fig. 6 is the schematic device of business recovery after another kind PCRF failure in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method of business recovery after PCRF failure, can reduce the performance to PCRF network element
Consumption, as shown in Figure 1, which comprises
101, proxy call conversation control function P-CSCF network element receives the voice VoLTE business of user terminal transmission
When request, P-CSCF network element inquires the Policy and Charging Rules Function PCRF network element that user terminal is currently registered.
For the embodiment of the present invention, number of user terminal is carried in the voice VoLTE service request that user terminal is sent
Code information, P-CSCF inquires the PCRF network element that the user terminal is currently registered according to the number information of user terminal, so that handy
Family terminal can request user VoLTE business game to the PCRF network element currently registered, and P-GW is made to reserve corresponding resource,
Establish carrying.
For the embodiment of the present invention, which can be call subscriber terminal or be called user terminal.At this
In inventive embodiments without limitation.
102, P-CSCF network element judges whether PCRF network element breaks down.
For the embodiment of the present invention, there are periodic heartbeat detection reports between adjacent P-CSCF network element and PCRF network element
Literary message, when P-CSCF network element receive PCRF gateway failure message or sending heartbeat detection message repeatedly without response when,
Then judge PCRF network element failure.
For example, if adjacent P-CSCF network element is sent three times to the PCRF network element, when not receiving response message, then P-
CSCF network element judges the PCRF network element failure.
In embodiments of the present invention, due to the heartbeat message that P-CSCF network element is sent, judge whether PCRF network element occurs
When failure, take a long time, therefore, when the heartbeat message that P-CSCF is sent does not judge PCRF failure, then P-CSCF
Still to the qos policy of PCRF network element request user terminal, if PCRF network element is to P-CSCF transmission error response message or in advance
It sets and does not receive qos policy in the time, then judge that PCRF network element breaks down.
If 103, PCRF network element breaks down, notification message is passed through service call conversation control function by P-CSCF network element
S-CSCF network element is sent to home signature user server HSS.
Wherein, disaster tolerance mark is carried in notification message, notification message is for informing S-CSCF network element and HSS, PCRF
Network element breaks down.
104, HSS sends insertion user data requests IDR message to MME.
Wherein, IDR message is used to indicate the instruction message that MME sends releasing bearing to user terminal.
For the embodiment of the present invention, when the disaster tolerance mark carried in the notification message that HSS network element identifies S-CSCF transmission
When, determine login state of the user terminal in HSS network element, if the user terminal has been registered in HSS network element, HSS net
Member sends IDR message to the MME.
Disaster tolerance mark is also carried for the embodiment of the present invention, in IDR message, the disaster tolerance mark is used for informing MME
The PCRF of family endpoint to register breaks down.It in embodiments of the present invention, will be to after MME receives the IDR message of terminal transmission
The instruction message of user terminal transmission releasing bearing.
105, when user terminal receives the instruction message of the releasing bearing of MME transmission, user terminal re-registers new
PCRF network element.
For the embodiment of the present invention, when user terminal receives the instruction message of the releasing bearing of MME transmission, user terminal
The connection request message of IMS PDN will be re-established, and user terminal re-registers new PCRF network element to core net.
The method of business recovery, first proxy call conversation control function after PCRF failure provided in an embodiment of the present invention
When P-CSCF network element receives the voice VoLTE service request of user terminal transmission, it is current that P-CSCF network element inquires user terminal
The Policy and Charging Rules Function PCRF network element of registration, and judge whether PCRF network element breaks down, if PCRF network element is sent out
Raw failure, then be sent to home signature user server by service call conversation control function S-CSCF network element for notification message
HSS, wherein disaster tolerance mark is carried in notification message, notification message is for informing S-CSCF network element and HSS, PCRF network element
It breaks down, then HSS sends insertion user data requests IDR message to MME, and IDR message is used to indicate MME to user terminal
The instruction message of releasing bearing is sent, finally when user terminal receives the instruction message of the releasing bearing of MME transmission, user is whole
End re-registers new PCRF network element.Compared with carrying out business recovery by standby usage PCRF network element at present, the embodiment of the present invention
It can know that the PCRF network element of endpoint to register breaks down by the above method, and nullify the PCRF network element to break down, and
New PCRF network element is re-registered, so that terminal can carry out VoLTE business by the PCRF network element of new registration, without
Standby usage PCRF network element real-time perfoming synchronizing information, it is only necessary to new PCRF network element is re-registered again, by using new registration
PCRF network element re-start VoLTE business, to realize business recovery, this method completes industry by signaling process between network element
Business restores, so as to reduce the performance consumption to PCRF network element.
The alternatively possible implementation of the embodiment of the present invention, on the basis of as shown in Figure 1, if step 103, PCRF
Network element breaks down, then notification message is sent to by service call conversation control function S-CSCF network element and is returned by P-CSCF network element
Belong to assigned user server HSS, can specifically include step 201-203 as shown in Figure 2, wherein notification message includes: session
Initiation protocol sip message and server distribute SAR request message.
201, sip message is sent to S-CSCF network element by P-CSCF network element.
Wherein, disaster tolerance mark is carried in sip message.
202, S-CSCF network element is identified according to the disaster tolerance carried in sip message, determines that PCRF breaks down.
For the embodiment of the present invention, the number information of user terminal is also carried in the sip message, S-CSCF is according to user
The number information of terminal determines whether the user terminal is registered, if registration, S-CSCF network element is according to the disaster tolerance carried in sip message
Mark, determines that PCRF network element breaks down.
203, SAR message is sent to HSS by S-CSCF network element.
Wherein, disaster tolerance mark is carried in SAR request message.
For the embodiment of the present invention, when S-CSCF network element determines that PCRF breaks down, then S-CSCF network element will carry disaster tolerance
The SAR message of mark is sent to HSS.Wherein, the Server-Assignment-Type (full name in English: Server- in the SAR message
Assignment-Type) value is set to non-registered users (full name in English: UNREGISTERED_USER).
For the embodiment of the present invention, P-CSCF network element by the way that notification message is sent to S-CSCF network element and HSS network element,
It enables to S-CSCF network element and HSS network element to know PCRF device fails, and executes corresponding disaster tolerance process, so as to
After improving PCRF equipment fault, the accuracy of business recovery.
The alternatively possible implementation of the embodiment of the present invention, on the basis of as shown in Figure 2, step 203, S-CSCF
SAR message is sent to HSS by network element, and disaster tolerance mark is carried in SAR request message, later can also include as shown in Figure 3
Step 301.
301, HSS sends SAA response message to S-CSCF, so that S-CSCF sets the login state of user terminal to
Unregistered state.
For the embodiment of the present invention, since HSS network element receives the SAR message for carrying disaster tolerance mark of S-CSCF transmission
Afterwards, SAA corresponding message is returned to S-CSCF, and S-CSCF is made to set unregistered state for the login state of user terminal.
In embodiments of the present invention, it when S-CSCF frequently receives the PCRF failure message of P-CSCF transmission, does not need frequently to HSS
Network element and MME network element send PCRF failure message, so as to reduce the signaling between each network element, and then can be into one
Step reduces PCRF failure, the complexity that business is replied.
The alternatively possible implementation of the embodiment of the present invention, on the basis of as shown in Figure 1, step 102, P-CSCF
Network element judges whether PCRF network element breaks down, and can specifically include step 401 as shown in Figure 4.
401, P-CSCF is by sending heartbeat detection message to PCRF equipment, judging that PCRF network element is every preset time
It is no to break down.
For the embodiment of the present invention, P-CSCF is by using the mode that is periodically detected i.e. every preset time to PCRF equipment
It sends heartbeat detection and responds with and judge whether PCRF network element breaks down.In embodiments of the present invention, it is preset to be periodically detected mode
Time can be 2 minutes, 3 minutes.In embodiments of the present invention without limitation.
For the embodiment of the present invention, P-CSCF network element can be started when business is without response using heuristic detection mode
Heartbeat message detection, no response times reach the thresholding of setting, to judge whether PCRF network element breaks down.Implement in the present invention
In example, the preset of setting can be 3,4 or 5.In embodiments of the present invention without limitation.
For the embodiment of the present invention, P-CSCF network element is by sending heartbeat detection report to PCRF equipment every preset time
Can text, determine whether PCRF equipment breaks down, and so as to execute above-mentioned process, register new PCRF equipment, restore industry
Business, without when cannot respond to, determining that PCRF breaks down, executing when needing to work as to PCRF equipment transmission request message
Above-mentioned process registers new PCRF equipment, restores business, and then can reduce the time of business recovery after PCRF failure.
For the embodiment of the present invention, when PCRF network element breaks down, user terminal passes through the PCRF network element for nullifying failure,
And new PCRF network element is re-registered, when by multiple PCRF network element group ponds Pool, since existing network users number is big, the later period needs
Multiple PCRF, through the invention after PCRF failure business recovery method, it is possible to reduce the quantity of PCRF network element in the pond POOL, from
And can increase through the pond POOL, carry out the advantage of disaster tolerance.
Further, the embodiment of the invention provides the method for business recovery after another PCRF failure, P-CSCF network elements
By the way that notification message is sent to S-CSCF network element and HSS network element, S-CSCF network element and HSS network element is enabled to know
PCRF device fails, and execute corresponding disaster tolerance process, after improving PCRF equipment fault, the standard of business recovery
Exactness；When S-CSCF frequently receives the PCRF failure message of P-CSCF transmission, do not need frequently to HSS network element and MME
Network element sends PCRF failure message, so as to reduce the signaling between each network element, and then can further decrease PCRF event
Barrier, the complexity that business is replied；Can P-CSCF network element, by sending heartbeat detection message to PCRF equipment every preset time
It determines whether PCRF equipment breaks down, so as to execute above-mentioned process, registers new PCRF equipment, restore business, without
It needs when cannot respond to, to determine that PCRF breaks down when needing to work as to PCRF equipment transmission request message, execute above-mentioned stream
Journey registers new PCRF equipment, restores business, and then can reduce the time of business recovery after PCRF failure；When PCRF network element
When breaking down, user terminal and re-registers new PCRF network element by nullifying the PCRF network element of failure, when will be multiple
When the network element group pond Pool PCRF, since existing network users number is big, the later period needs multiple PCRF, through the invention business after PCRF failure
The method of recovery, it is possible to reduce the quantity of PCRF network element in the pond POOL carries out the excellent of disaster tolerance so as to increase through the pond POOL
Gesture.
As the realization to method shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the embodiment of the invention also provides a kind of PCRF events
The device of business recovery after barrier, can reduce the performance consumption to PCRF network element.As shown in figure 5, described device includes: cargo tracer
Member 51, the first transmission unit 53, the second transmission unit 54, re-registers unit 55 at judging unit 52.
Query unit 51 is located in P-CSCF network element, receives for proxy call conversation control function P-CSCF network element
When the voice VoLTE service request sent to user terminal, inquiry the user terminal strategy and charging rule functions currently registered
Unit PCRF network element.
Judging unit 52 is located in P-CSCF network element, for judging whether PCRF network element breaks down.
First transmission unit 53 is located in P-CSCF network element, for when PCRF network element breaks down, notification message to be led to
It crosses service call conversation control function S-CSCF network element and is sent to home signature user server HSS.
Wherein, disaster tolerance mark is carried in notification message, notification message is for informing S-CSCF network element and HSS, PCRF
Network element breaks down.
Wherein, notification message includes: session initiation protocol sip message and server distribution SAR request message.
Second transmission unit 54 is located in HSS, for sending insertion user data requests IDR message to MME.
Wherein, IDR message is used to indicate the instruction message that MME sends releasing bearing to user terminal.
Unit 55 is re-registered, is located in user terminal, for receiving the releasing bearing that MME is sent when user terminal
Instruction message re-registers new PCRF network element.
First transmission unit 53 is located in the P-CSCF network element, specifically for the sip message is sent to institute
S-CSCF network element is stated, the disaster tolerance mark is carried in the sip message；
Further, as shown in fig. 6, described device further include: determination unit 61, third transmission unit 62.
Determination unit 61 is located in S-CSCF network element, for identifying according to the disaster tolerance carried in sip message, determines PCRF
Break down
Third transmission unit 62 is located in S-CSCF network element, for SAR message to be sent to HSS.
Wherein, disaster tolerance mark is carried in SAR request message.
Second transmission unit 54 is located in HSS, is also used to send SAA response message to S-CSCF, so that S-CSCF will
The login state of user terminal is set as unregistered state.
Judging unit 52 is located in P-CSCF, is specifically used for by sending heartbeat inspection to PCRF equipment every preset time
Text is observed and predicted, judges whether PCRF network element breaks down.
The device of business recovery, first proxy call conversation control function after PCRF failure provided in an embodiment of the present invention
When P-CSCF network element receives the voice VoLTE service request of user terminal transmission, it is current that P-CSCF network element inquires user terminal
The Policy and Charging Rules Function PCRF network element of registration, and judge whether PCRF network element breaks down, if PCRF network element is sent out
Raw failure, then be sent to home signature user server by service call conversation control function S-CSCF network element for notification message
HSS, wherein disaster tolerance mark is carried in notification message, notification message is for informing S-CSCF network element and HSS, PCRF network element
It breaks down, then HSS sends insertion user data requests IDR message to MME, and IDR message is used to indicate MME to user terminal
The instruction message of releasing bearing is sent, finally when user terminal receives the instruction message of the releasing bearing of MME transmission, user is whole
End re-registers new PCRF network element.Compared with carrying out business recovery by standby usage PCRF network element at present, the embodiment of the present invention
It can know that the PCRF network element of endpoint to register breaks down by the above method, and nullify the PCRF network element to break down, and
New PCRF network element is re-registered, so that terminal can carry out VoLTE business by the PCRF network element of new registration, without
Standby usage PCRF network element real-time perfoming synchronizing information, it is only necessary to re-register new PCRF network element again, and by using new note
The PCRF network element of volume re-starts VoLTE business, and to realize business recovery, this method is completed by signaling process between network element
Business recovery, so as to reduce the performance consumption to PCRF network element.
Further, the embodiment of the invention provides the device of business recovery after another PCRF failure, P-CSCF network elements
By the way that notification message is sent to S-CSCF network element and HSS network element, S-CSCF network element and HSS network element is enabled to know
PCRF device fails, and execute corresponding disaster tolerance process, after improving PCRF equipment fault, the standard of business recovery
Exactness；When S-CSCF frequently receives the PCRF failure message of P-CSCF transmission, do not need frequently to HSS network element and MME
Network element sends PCRF failure message, so as to reduce the signaling between each network element, and then can further decrease PCRF event
Barrier, the complexity that business is replied；Can P-CSCF network element, by sending heartbeat detection message to PCRF equipment every preset time
It determines whether PCRF equipment breaks down, so as to execute above-mentioned process, registers new PCRF equipment, restore business, without
It needs when cannot respond to, to determine that PCRF breaks down when needing to work as to PCRF equipment transmission request message, execute above-mentioned stream
Journey registers new PCRF equipment, restores business, and then can reduce the time of business recovery after PCRF failure；When PCRF network element
When breaking down, user terminal and re-registers new PCRF network element by nullifying the PCRF network element of failure, when will be multiple
When the network element group pond Pool PCRF, since existing network users number is big, the later period needs multiple PCRF, through the invention business after PCRF failure
The method of recovery, it is possible to reduce the quantity of PCRF network element in the pond POOL carries out the excellent of disaster tolerance so as to increase through the pond POOL
Gesture.
It should be noted that each unit institute is right in the device of business recovery after the PCRF failure provided in the embodiment of the present invention
Other the corresponding descriptions answered, can be with reference to the corresponding description in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, and details are not described herein.
The method that above-mentioned offer may be implemented in the device of business recovery after PCRF failure provided in an embodiment of the present invention is implemented
Example, concrete function realize the explanation referred in embodiment of the method, and details are not described herein.PCRF event provided in an embodiment of the present invention
The method and device of business recovery can be adapted for after PCRF failure after barrier, realize business recovery, but be not limited only to this.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of method of business recovery after PCRF failure characterized by comprising
When proxy call conversation control function P-CSCF network element receives the voice VoLTE service request of user terminal transmission,
The P-CSCF network element inquires the Policy and Charging Rules Function PCRF network element that the user terminal is currently registered；
The P-CSCF network element judges whether the PCRF network element breaks down；
If the PCRF network element breaks down, notification message is passed through service call conversation control function by the P-CSCF network element
S-CSCF network element is sent to home signature user server HSS, and disaster tolerance mark is carried in the notification message, and the notice disappears
Breath is for informing that the S-CSCF network element and the HSS, the PCRF network element break down；
The HSS sends insertion user data requests IDR message to mobility management entity MME, and the IDR message is used to indicate
The MME sends the instruction message of releasing bearing to the user terminal；
When the user terminal receives the instruction message for the releasing bearing that the MME is sent, the user terminal is again
Register new PCRF network element.
2. the method for business recovery after PCRF failure according to claim 1, which is characterized in that the notification message packet
It includes: session initiation protocol sip message and server distribution SAR request message；
Notification message is sent to ownership signing by service call conversation control function S-CSCF network element by the P-CSCF network element
It the step of client server HSS, specifically includes:
The sip message is sent to the S-CSCF network element by the P-CSCF network element, carries the appearance in the sip message
Calamity mark；
The S-CSCF network element is identified according to the disaster tolerance carried in the sip message, determines that the PCRF breaks down；
The SAR message is sent to the HSS by the S-CSCF network element, carries the disaster tolerance in the SAR request message
Mark.
3. the method for business recovery after PCRF failure according to claim 2, which is characterized in that the S-CSCF network element will
After the step of SAR message is sent to the HSS, further includes:
The HSS sends SAA response message to the S-CSCF, so that the S-CSCF is by the registration shape of the user terminal
State is set as unregistered state.
4. the method for business recovery after PCRF failure according to claim 1, which is characterized in that the P-CSCF network element is sentenced
The step of whether the PCRF network element that breaks breaks down, specifically includes:
The P-CSCF is by the way that every preset time, Xiang Suoshu PCRF equipment sends heartbeat detection message, judges the PCRF net
Whether member breaks down.
5. the device of business recovery after a kind of PCRF failure characterized by comprising
Query unit is located in Proxy Call Session Control Function P-CSCF network element, for receiving when the P-CSCF network element
When the voice VoLTE service request that user terminal is sent, the strategy and charging regulation function that the user terminal is currently registered are inquired
It can unit PCRF network element；
Judging unit is located in the P-CSCF network element, for judging whether the PCRF network element breaks down；
First transmission unit is located in the P-CSCF network element, for when the PCRF network element breaks down, by notification message
Home signature user server HSS is sent to by service call conversation control function S-CSCF network element, in the notification message
Disaster tolerance mark is carried, the notification message is for informing that the S-CSCF network element and the HSS, the PCRF network element occur
Failure；
Second transmission unit is located in the HSS, for sending insertion user data requests IDR to mobility management entity MME
Message, the IDR message are used to indicate the instruction message that the MME sends releasing bearing to the user terminal；
Unit is re-registered, is located in the user terminal, for being received described in the MME transmission when the user terminal
The instruction message of releasing bearing re-registers new PCRF network element.
6. the device of business recovery after PCRF failure according to claim 5, which is characterized in that the notification message packet
It includes: session initiation protocol sip message and server distribution SAR request message；
First transmission unit is located in the P-CSCF network element, specifically for the sip message is sent to the S-
CSCF network element carries the disaster tolerance mark in the sip message；
Described device further include: determination unit, third transmission unit；
The determination unit is located in the S-CSCF network element, for being identified according to the disaster tolerance carried in the sip message, really
The fixed PCRF breaks down；
The third transmission unit is located in the S-CSCF network element, described for the SAR message to be sent to the HSS
The disaster tolerance mark is carried in SAR request message.
7. the device of business recovery after PCRF failure according to claim 6, which is characterized in that
Second transmission unit is located in the HSS, is also used to send SAA response message to the S-CSCF, so that institute
It states S-CSCF and sets unregistered state for the login state of the user terminal.
8. the device of business recovery after PCRF failure according to claim 5, which is characterized in that
The judging unit is located in the P-CSCF, is specifically used for by the way that every preset time, Xiang Suoshu PCRF equipment is sent
Heartbeat detection message, judges whether the PCRF network element breaks down.
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| CN105592486B (en) * | 2014-10-21 | 2021-01-26 | 中兴通讯股份有限公司 | Disaster recovery method, network element and server |
| CN108259327B (en) * | 2016-12-29 | 2020-11-06 | 中国移动通信集团河南有限公司 | VoLTE service recovery method, system and device |
| CN108574596B (en) * | 2017-03-14 | 2021-05-14 | 华为技术有限公司 | Disaster recovery method, mobile management entity and home subscriber server |
| CN109936462B (en) * | 2017-12-15 | 2021-11-30 | 华为技术有限公司 | Disaster recovery method and device |
| CN111294216A (en) * | 2018-12-10 | 2020-06-16 | 中国电信股份有限公司 | PCRF disaster tolerance method, system and PGW |
| CN114630355B (en) * | 2022-03-31 | 2023-09-08 | 深圳艾灵网络有限公司 | Fault recovery method, device, equipment and storage medium based on core network |
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