CN103781041B - Charging synchronous method, apparatus and system - Google Patents
Charging synchronous method, apparatus and system Download PDFInfo
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- CN103781041B CN103781041B CN201210397754.6A CN201210397754A CN103781041B CN 103781041 B CN103781041 B CN 103781041B CN 201210397754 A CN201210397754 A CN 201210397754A CN 103781041 B CN103781041 B CN 103781041B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/70—Administration or customization aspects; Counter-checking correct charges
- H04M15/73—Validating charges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/82—Criteria or parameters used for performing billing operations
- H04M15/8214—Data or packet based
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- Computer Networks & Wireless Communication (AREA)
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- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of charging synchronous method, apparatus and system.Wherein, this method comprises: PGW notice TDF executes billing operation identical with above-mentioned PGW.Through the invention, PGW notifies TDF to execute identical with PGW billing operation, solves the problems, such as that PGW and TDF charging is nonsynchronous in the related technology, reduces due to the asynchronous caused error of PGW and TDF charging, the perfect charging flow of PGW and TDF.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of charging synchronous method, apparatus and system.
Background technique
With global microwave access intercommunication (World Interoperability for Microwave Access, abbreviation
For the sudden emergence of WiMax), 3-G (Generation Three mobile communication system) will keep it in the strong competitiveness of mobile communication field, must
Its network performance must be improved and reduce network construction and operation cost.Therefore, third generation partner program (3rd
Generation Partnership Project, referred to as 3GPP) standardization effort group, be committed at present research packet hand over
Change core net (Packet Switch Core, referred to as PS Core) and global system for mobile communications wireless access network
(Universal Mobile Telecommunication System RadioAccess Network's, referred to as UTRAN)
The project of evolution, this research is called System Architecture Evolution (System Architecture Evolution, referred to as SAE),
Purpose is so that the grouping net (Evolved Packet Core, referred to as EPC) of evolution can provide higher transmission rate, more
Short transmission delay, optimization grouping, and support evolution UTRAN(Evolved UTRAN, referred to as E-UTRAN), UTRAN, nothing
Between line local area network (Wireless Local Area Network, referred to as WLAN) and the access network of other non-3 gpp
Mobile management.
Fig. 1 is according to the configuration diagram of the current SAE of the relevant technologies, as shown in Figure 1, SAE contains following network element:
The wireless access network (Evolved RAN, referred to as E-RAN) of evolution: can provide higher uplink/downlink rate,
Lower transmission delay and relatively reliable wireless transmission.The network element for including in E-RAN is E-NodeB(EvolvedNodeB, is drilled
Into node B), for providing radio resource for the access of user.
Packet Data Network (Packet Data Network, referred to as PDN): the network of business is provided for user.
The grouping net (E-Packet Core) of evolution, provides lower delay, and allow more wireless access systems
Access.It includes following network elements:
Mobile management entity (Mobility Management Entity, referred to as MME): control plane functional entity faces
When store user data server, be responsible for management and storage user equipment (User Equipment, referred to as UE) up and down
Literary (such as UE/ user identifier, mobility management states, user security parameters etc.) distributes temporary identifier for user, when UE is stationed
In the tracing area or the network, it is responsible for authenticating the user；All Non-Access Stratums between processing MME and UE disappear
Breath；Trigger the paging in SAE.MME is the mobile management unit of SAE system.In the umts system, mobile management unit is SGSN
(Serving GPRS Support Node, Serving GPRS Support Node).
Gateway (Serving Gateway, referred to as SGW) is a user entity, is responsible for user face data road
By handling, the downlink data of UE of the termination in idle (ECM IDLE) state.The SAE of management and storage UE carry (bearer)
Context, such as IP bearer service parameter and network internal routing iinformation etc..SGW is the anchor point in 3GPP system internal user face,
One user can only have a SGW a moment；
Packet data network gateway (PDN Gateway, referred to as PGW) is responsible for the gateway of UE access PDN, distributing user IP
Address, while being the mobility anchor of 3GPP and non-3 GPP access system, the function of PGW further includes strategy implement, charging support.
User has access to multiple PGW in synchronization.PCEF(Policy and Charging Enforcement Function,
Strategy implements functional entity with charging) it also is located in PGW.
Strategy and charging regulation function entity (Policy and Charging Rules Function, referred to as PCRF)
It is responsible for providing policy control and charging regulation to PCEF.
Home subscriber server (Home Subscriber Server, referred to as HSS) permanently stores user contracting data,
The content of HSS storage includes the IMSI(International Mobile Subscriber Identification of UE, international
Mobile identification number), the IP address of PGW.HSS is connect with Serving GPRS Support Node, Serving GPRS Support Node and wireless
Network controller (Radio Network Controller, referred to as RNC) connection.
Business detection function entity (Traffic Detection Function, referred to as TDF) is responsible for the business of user
Using detecting and being controlled, charging can also be carried out according to the service application detected.
Physically, SGW and PGW may unify.EPC system user's veil member includes SGW and PGW.When SGW and PGW it
Between by GTP(GPRS Tunneling Protocol, GPRS Tunnel Protocol) connection when, there is no interface between SGW and PCRF；
When between SGW and PGW by PMIP(Proxy Mobile Internet Protocol) connection, SGW and PCRF pass through Gxc
Interface connection.
In SAE system, SGW has the function of the UE downlink data that caching is in idle condition.When UE is in idle mould
Under formula, when SGW is received from the downlink data that PGW is issued to UE, since SGW does not know service E-NodeB(locating for UE or is
ENodeB address), therefore SGW cannot issue downlink data in time, therefore SGW need to cache the downlink data received,
It needs to send downlink data arrival notice message (Downlink Data Notification) to MME simultaneously, be sought by MME triggering
Exhale (Paging).Within a certain period of time if MME receives page response, Serving GW can obtain in time eNodeB's
Address, can issue the data of caching to eNodeB, and specific process is as shown in Figure 2.But when SGW does not have relevant carrying to believe
When breath, SGW can only abandon the downlink data packet of arrival, and send downlink data arrival notice message without normal direction MME.
The area of coverage locating for the UE changes, for example, being moved to another from a mobility management unit area of coverage
When the mobility management unit area of coverage, UE has entered a unregistered region by the discovery of listening broadcast channel, in order to protect
The business continuity between UE and core net is demonstrate,proved, then needs to be registered under the new RAT area of coverage, therefore, UE can initiate to track
Area updates (Tracking Area Update, referred to as TAU) or Routing Area Update (Routing Area Update, abbreviation
For RAU) process.Fig. 2 is to be moved to another MME area of coverage according to the UE of the relevant technologies being registered under the E-UTRAN area of coverage
The TAU process of lower initiation.As shown in Fig. 2, including the following steps (step S202- step S228):
Step 202, UE is moved to the E-UTRAN area of coverage under another MME, and Xiang Xin MME sends tracing section updating and asks
It asks, request is registered in new region, and the GUTI that old MME is UE distribution is carried in request message.
Step 204, new MME finds old MME according to GUTI mark, sends context request signaling progress context and obtained
Journey.
Step 206, the mobile management of user equipment and carrying information are sent to new MME by old MME, that is, carry out context
Response.
Step 208, new MME confirms context after receiving corresponding information, that is, context confirmation.
Step 210, new MME is requested to SGW starting update load bearing, and source GTP-C Tunnel Identifier and mesh are carried in request message
GTP-C Tunnel Identifier, the binding relationship of SGW more new bearer.
Step 212, SGW sends more new bearer request to PGW, by the address information of SGW, tunnel identification information, access skill
The parameters such as art type are sent to PGW.
Step 214, PGW, which updates the context of oneself and returns to more new bearer response message, the information content to SGW, includes
The address of PGW and Tunnel Identifier etc..
Step 216, SGW to new MME return more new bearer response, by SGW specify purpose GTP-C Tunnel Identifier, itself
Address and PGW address and tunnel information etc. bring MME.
Step 218, new MME notifies the change of HSS registered location by location update message.
Step 220, HSS sends canceling position signaling to old MME, only safeguards the registration of new MME.
Step 222, old MME cancels to HSS return position and responding.
Step 224, HSS confirms the location updating of new MME.
Step 226, if new MME confirmation UE is effective in current tracking area, tracing section updating is sent to UE and is received
Message carries periodical tracing section updating timer in the message, and recommendation is 54 minutes in standard agreement at present.
Step 228, if new MME by TAU process is that UE is assigned with a new GUTI mark, UE can return with
Track area updates completion message and is confirmed to MME.
The RAU process caused under the UTRAN area of coverage is moved to for the UE being registered under the E-UTRAN area of coverage, and it is above-mentioned
Process is similar, therefore does not repeat them here.In real network, SGW may it is unstable due to system or upgrading cause to restart.In movement
Property administrative unit and after PGW detects that SGW is restarted, in existing Operation Network mobility management unit and PGW will delete and
Associated user's context, cause mobility management unit that cannot relate to user equipment and cause the user equipment can not
Downlink data is obtained, could only be reconnected with network when user equipment has upstream data transmission.In order to make customer service
It can restore as early as possible, after mobility management unit and PGW detect that SGW is restarted, mobility management unit and PGW continue to retain
User's context and user's bearer context for a period of time, but mark these carryings unavailable, and when PGW is in these carryings
On when receiving downlink data packet, PGW is abandoned, also without charging.But because TDF can be to the data packet for being sent to PGW
Charging is carried out, the asynchronous of charging is thus caused.
For the nonsynchronous problem of PGW and TDF charging in the related technology, currently no effective solution has been proposed.
Summary of the invention
For the nonsynchronous problem of PGW and TDF charging in the related technology, the present invention provides a kind of charging synchronous method,
Apparatus and system, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of charging synchronous method, this method comprises: PGW notice TDF is executed
Billing operation identical with above-mentioned PGW.
It includes: that above-mentioned PGW passes through strategy and meter that above-mentioned PGW, which notifies above-mentioned TDF to execute billing operation identical with above-mentioned PGW,
Expense regulation function entity PCRF notifies above-mentioned TDF to execute billing operation identical with above-mentioned PGW.
Before above-mentioned PGW notifies above-mentioned TDF to execute billing operation identical with above-mentioned PGW, the above method further include: above-mentioned
After PGW receives downlink data packet, determination is stopped operation to the execution charging of above-mentioned data packet or charging recovery operation.
It includes: above-mentioned that above-mentioned PGW notifies above-mentioned TDF to execute billing operation identical with above-mentioned PGW by above-mentioned PCRF
In the case that PGW determination stops operation the execution charging of above-mentioned data packet, above-mentioned PGW notifies above-mentioned TDF to hold by above-mentioned PCRF
Row charging stops operation, and/or above-mentioned TDF is notified directly to abandon above-mentioned data packet；Above-mentioned data packet is held in above-mentioned PGW determination
In the case where row charging recovery operation, above-mentioned PGW notifies above-mentioned TDF to execute charging recovery operation by above-mentioned PCRF.
After above-mentioned PGW receives downlink data packet, determination is stopped operation to the execution charging of above-mentioned data packet or charging is extensive
Multiple operation includes: to determine after above-mentioned PGW receives downlink data packet in not available carrying and execute charging to above-mentioned data packet
It stops operation；Alternatively, above-mentioned data packet is held in determination after above-mentioned PGW receives downlink data packet on restoring normal carrying
Row charging recovery operation.
In the case where above-mentioned PGW notifies above-mentioned TDF directly to abandon above-mentioned data packet, the above method further include: above-mentioned PGW
In the case where carrying restores normal situation, above-mentioned TDF is notified to execute charging recovery operation.
Before above-mentioned PGW receives downlink data packet in not available carrying, the above method further include: above-mentioned PGW inspection
It measures after gateway SGW restarts, retains bearer context and user's context；Above-mentioned PGW label is above-mentioned be carried as it is unavailable
Carrying.
Before above-mentioned PGW receives downlink data packet in not available carrying, the above method further include: above-mentioned PGW connects
It receives mobile management entity MME and notification message is hung up by the carrying that SGW is sent；Above-mentioned PGW is returned by above-mentioned SGW to above-mentioned MME
It returns carrying and hangs up confirmation message；Wherein, the hang-up of above-mentioned PGW is carried as not available carrying.
Before above-mentioned PGW receives downlink data packet on restoring normal carrying, the above method further include: above-mentioned PGW
Receive the modification bearing request message that above-mentioned MME is sent by SGW；Above-mentioned PGW is returned to above-mentioned MME by above-mentioned SGW and is modified
Bearing response message；Wherein, the modification of above-mentioned PGW be carried as restoring normally carry.
Before above-mentioned PGW receives the modification bearing request message that above-mentioned MME is sent by SGW, the above method further include: on
State MME gravity treatment SGW；Wherein, the SGW of gravity treatment is the SGW of the SGW restarted or normal work.
Before above-mentioned PGW receives the modification bearing request message that above-mentioned MME is sent by SGW, the above method further include: on
It states MME and receives the non-access layer information that user equipment (UE) is sent.
Above-mentioned non-access layer information is tracing section updating TAU request message.
It includes: above-mentioned PGW that above-mentioned PGW notifies above-mentioned TDF to execute billing operation identical with above-mentioned PGW by above-mentioned PCRF
Charge Advice Information is sent to above-mentioned PCRF；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute and above-mentioned PGW
Identical billing operation；Above-mentioned PCRF sends above-mentioned Charge Advice Information to above-mentioned TDF.
After above-mentioned PGW notifies above-mentioned TDF to execute billing operation identical with above-mentioned PGW by above-mentioned PCRF, above-mentioned side
Method further include: above-mentioned TDF returns to advice of charge response message to above-mentioned PCRF；Above-mentioned PGW receives the above-mentioned of above-mentioned PCRF transmission
Advice of charge response message.
The above method further include: after above-mentioned PGW detects that SGW is restarted, retain bearer context and user's context, and mark
Remember and above-mentioned is carried as not available carrying；After above-mentioned PCRF detects that SGW is restarted, the connection with above-mentioned SGW is deleted, and retain use
Family information and strategy；Above-mentioned PCRF sends above-mentioned Charge Advice Information to above-mentioned TDF；Wherein, above-mentioned Charge Advice Information is used for
Above-mentioned TDF is notified to execute charging and stop operation.
The above method further include: after above-mentioned PCRF detects that SGW resumes work, Xiang Shangshu TDF sends above-mentioned advice of charge
Message；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
The above method further include: after above-mentioned PCRF detects that above-mentioned PGW is restarted, delete the connection with above-mentioned PGW, and retain
User information and strategy；Above-mentioned PCRF sends above-mentioned Charge Advice Information to above-mentioned TDF；Wherein, above-mentioned Charge Advice Information is used
In notifying above-mentioned TDF to execute charging and stop operation.
The above method further include: after above-mentioned PCRF detects that above-mentioned PGW resumes work, Xiang Shangshu TDF sends above-mentioned charging
Notification message；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
According to another aspect of the present invention, a kind of charging synchronizing device is provided, which includes: charging execution module,
For notifying TDF to execute billing operation identical with above-mentioned PGW.
Above-mentioned charging execution module includes: charging execution unit, for passing through strategy and charging regulation function entity PCRF
Above-mentioned TDF is notified to execute billing operation identical with above-mentioned PGW.
Above-mentioned apparatus further include: charging determining module, after receiving downlink data packet, above-mentioned data packet is held in determination
Row charging stops operation or charging recovery operation.
Above-mentioned charging execution unit includes: the first execution subelement, is executed for determining in above-mentioned PGW to above-mentioned data packet
In the case that charging stops operation, above-mentioned TDF is notified to execute charging and stop operation by above-mentioned PCRF, and/or notify above-mentioned TDF
Directly abandon above-mentioned data packet；Second executes subelement, for determining that executing charging to above-mentioned data packet restores behaviour in above-mentioned PGW
In the case where work, above-mentioned TDF is notified to execute charging recovery operation by above-mentioned PCRF.
Above-mentioned charging determining module includes: that charging stops determination unit, for receiving downlink in not available carrying
After data packet, determine that executing charging to above-mentioned data packet stops operation；Alternatively, charging restores determination unit, for restoring just
After receiving downlink data packet in normal carrying, determines and charging recovery operation is executed to above-mentioned data packet.
In the case where above-mentioned PGW notifies above-mentioned TDF directly to abandon above-mentioned data packet, above-mentioned apparatus further include: notice mould
Block, for notifying above-mentioned TDF to execute charging recovery operation in the case where carrying restores normal situation.
Before above-mentioned PGW receives downlink data packet in not available carrying, above-mentioned charging determining module further include: protect
Unit is stayed, after detecting that gateway SGW is restarted, retains bearer context and user's context；Marking unit, for marking
Remember and above-mentioned is carried as not available carrying.
Before above-mentioned PGW receives downlink data packet in not available carrying, above-mentioned charging determining module further include: logical
Know message reception units, notification message is hung up by the carrying that SGW is sent for receiving mobile management entity MME；Confirmation message
Return unit hangs up confirmation message for returning to carrying to above-mentioned MME by above-mentioned SGW；Wherein, the hang-up of above-mentioned PGW is held
Carrying is not available carrying.
Before above-mentioned PGW receives downlink data packet on restoring normal carrying, above-mentioned charging determining module further include:
Request message receiving unit, the modification bearing request message sent for receiving above-mentioned MME by SGW；Response message returns single
Member, for returning to modification bearing response message to above-mentioned MME by above-mentioned SGW；Wherein, the modification of above-mentioned PGW be carried as it is extensive
Multiple normal carrying.
In accordance with a further aspect of the present invention, provide a kind of charging synchronization system, the system include: PGW, PCRF and
TDF, wherein above-mentioned PGW includes above-mentioned charging synchronizing device, and above-mentioned PGW includes: the first sending module, is used for above-mentioned
PCRF sends Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying that it is identical with above-mentioned PGW that above-mentioned TDF is executed
Billing operation；Above-mentioned PCRF includes: the second sending module, for sending above-mentioned Charge Advice Information to above-mentioned TDF.
Above-mentioned TDF includes: respond module, for returning to advice of charge response message to above-mentioned PCRF；Above-mentioned PGW is also wrapped
It includes: receiving module, the above-mentioned advice of charge response message sent for receiving above-mentioned PCRF.
Above-mentioned PGW further include: reservation module, for retaining bearer context and user or more after detecting that SGW is restarted
Text, and mark and above-mentioned be carried as not available carrying；Above-mentioned PCRF further include: the first removing module, for detecting SGW weight
Qi Hou deletes the connection with above-mentioned SGW, and retains user information and strategy；Above-mentioned PCRF further include: first message sends mould
Block, for sending above-mentioned Charge Advice Information to above-mentioned TDF；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute
Charging stops operation.
Above-mentioned PCRF further include: second message sending module, for after detecting that SGW resumes work, Xiang Shangshu TDF to be sent out
It serves and states Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
Above-mentioned PCRF further include: the second removing module, for after detecting that above-mentioned PGW is restarted, deleting with above-mentioned PGW's
Connection, and retain user information and strategy；Above-mentioned PCRF further include: third message transmission module, for being sent to above-mentioned TDF
State Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF executes charging to stop operation.
Above-mentioned PCRF further include: the 4th message transmission module, for after detecting that above-mentioned PGW resumes work, Xiang Shangshu
TDF sends above-mentioned Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
Through the invention, PGW notifies TDF to execute billing operation identical with PGW, solves PGW in the related technology and TDF
The nonsynchronous problem of charging, reduce due to PGW and TDF charging it is asynchronous caused by error, the perfect charging of PGW and TDF
Process.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the configuration diagram according to the current SAE of the relevant technologies；
Fig. 2 is to be moved under another MME area of coverage to draw according to the UE of the relevant technologies being registered under the E-UTRAN area of coverage
The TAU process of hair；
Fig. 3 is the flow chart of charging synchronous method according to an embodiment of the present invention；
Fig. 4 is the flow chart of PGW and TDF charging synchronous method according to an embodiment of the present invention；
Fig. 5 is the flow chart according to an embodiment of the present invention for notifying TDF charging synchronous after SGW is restarted；
When Fig. 6 is carrying " hang-up " state according to an embodiment of the present invention in SRVCC on PGW, PGW notifies TDF meter
Take synchronous flow chart；
Fig. 7 is that notice TDF is extensive after the carrying that MME according to an embodiment of the present invention reselects after a SGW on PGW restores
The flow chart of multiple charging；
Fig. 8 is to return to E-UTRAN after end CS session according to an embodiment of the present invention to cover notice after lower PGW restores normal
The flow chart of TDF recovery charging；
Fig. 9 is that PCRF according to an embodiment of the present invention detects that SGW restarts the flow chart that notice TDF stops charging；
Figure 10 is that PCRF according to an embodiment of the present invention detects that PGW restarts the flow chart that notice TDF stops charging；
Figure 11 is the structural block diagram of charging synchronizing device according to an embodiment of the present invention；
Figure 12 is the structural block diagram of charging synchronization system according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
The embodiment of the invention provides a kind of charging synchronous method, apparatus and system, carry out below by specific embodiment
It is discussed in detail.
A kind of charging synchronous method is present embodiments provided, Fig. 3 is charging synchronous method according to an embodiment of the present invention
Flow chart, as shown in figure 3, method includes the following steps:
Step S302, PGW notify TDF to execute billing operation identical with the PGW.
By the above method, PGW notifies TDF to execute identical with PGW billing operation, solve in the related technology PGW with
The nonsynchronous problem of TDF charging, reduce due to PGW and TDF charging it is asynchronous caused by error, the perfect meter of PGW and TDF
Take process.
No matter how PGW notifies TDF, as long as the two guarantees to execute identical billing operation.Preferably, in order to protect
The accuracy and timeliness of card notice process in most cases can realize the notice in practical applications by PCRF
Therefore journey present embodiments provides a kind of preferred embodiment, i.e. PGW notifies above-mentioned TDF execution identical as PGW by PCRF
Billing operation.
After PGW receives the downlink data of TDF transmission in not available carrying, if PGW, without charging, PGW also leads to
Know TDF without charging.If after PGW restores normal billing, PGW also notifies TDF to restore normal billing.Under normal circumstances, PGW
Notify TDF without charging by PCRF.On PGW user carrying it is unavailable include detect SGW restart and SRVCC,
Hang-up notice (Suspend Notification) message of SGW transmission is received during CSFB；User on PGW, which carries, to restore
After normal, PGW needs that TDF is notified to restore normal billing.
Before PGW notice TDF executes billing operation identical with PGW, the above method further include: PGW receives downlink
After data packet, determination is stopped operation to the execution charging of above-mentioned data packet or charging recovery operation.It determines in PGW to above-mentioned data
In the case that packet execution charging stops operation, PGW notifies above-mentioned TDF to execute charging and stop operation by above-mentioned PCRF, and/or logical
Know that above-mentioned TDF directly abandons above-mentioned data packet；In the case where PGW is determined and is executed charging recovery operation to above-mentioned data packet, PGW
Above-mentioned TDF is notified to execute charging recovery operation by above-mentioned PCRF.By the above-mentioned means, the charging for realizing PGW and TDF is same
Step.
Preferably, after PGW receives downlink data packet, determination is stopped operation to data packet execution charging or charging is extensive
Multiple operation includes: to determine that executing charging to above-mentioned data packet stops after PGW receives downlink data packet in not available carrying
Operation；Alternatively, being determined extensive to the execution charging of above-mentioned data packet after PGW receives downlink data packet on restoring normal carrying
Multiple operation.In the case where PGW notice TDF directly abandons above-mentioned data packet, the above method further include: PGW restores just in carrying
In the case where often, notice TDF executes charging recovery operation.By the above-mentioned means, realizing the synchronization that charging stops operation respectively
It is synchronous with charging recovery operation.
Preferably, before PGW receives downlink data packet in not available carrying, the above method further include: PGW detection
After restarting to gateway SGW, retain bearer context and user's context；PGW label is above-mentioned to be carried as not available carrying.
Which be it is subsequent according to carrying whether can be with determining that executing charging stop operation or charging recovery operation, provide the foundation.
Preferably, before PGW receives downlink data packet in not available carrying, the above method further include: PGW is received
Mobile management entity MME hangs up notification message by the carrying that SGW is sent；PGW is returned to above-mentioned MME by above-mentioned SGW and is carried
Hang up confirmation message；Wherein, the hang-up of PGW is carried as not available carrying.
Preferably, before PGW receives downlink data packet on restoring normal carrying, the above method further include: PGW connects
Receive the modification bearing request message that above-mentioned MME is sent by SGW；PGW returns to modification carrying to above-mentioned MME by above-mentioned SGW and rings
Answer message；Wherein, the modification of PGW be carried as restoring normally carry.
Before PGW receives the modification bearing request message that above-mentioned MME is sent by SGW, the above method further include: above-mentioned
MME gravity treatment SGW；Wherein, the SGW of gravity treatment is the SGW of the SGW restarted or normal work.
Before PGW receives the modification bearing request message that above-mentioned MME is sent by SGW, the above method further include: above-mentioned
MME receives the non-access layer information that user equipment (UE) is sent.Above-mentioned non-access layer information can disappear for tracing section updating TAU request
Breath.
It includes: that PGW is sent out to above-mentioned PCRF that PGW notifies above-mentioned TDF to execute billing operation identical with PGW by above-mentioned PCRF
Send Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute billing operation identical with PGW；On
It states PCRF and sends above-mentioned Charge Advice Information to above-mentioned TDF.
After PGW notifies above-mentioned TDF to execute billing operation identical with PGW by above-mentioned PCRF, the above method further include:
Above-mentioned TDF returns to advice of charge response message to above-mentioned PCRF；PGW receives the above-mentioned advice of charge response that above-mentioned PCRF is sent and disappears
Breath.
Preferably, the above method further include: after PGW detects that SGW is restarted, retain bearer context and user's context,
And it marks and above-mentioned is carried as not available carrying；After above-mentioned PCRF detects that SGW is restarted, the connection with above-mentioned SGW is deleted, and protect
Stay user information and strategy；Above-mentioned PCRF sends above-mentioned Charge Advice Information to above-mentioned TDF；Wherein, above-mentioned Charge Advice Information
For notifying above-mentioned TDF executes charging to stop operation.
The above method further include: after above-mentioned PCRF detects that SGW resumes work, Xiang Shangshu TDF sends above-mentioned advice of charge
Message；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
The above method further include: after above-mentioned PCRF detects that PGW is restarted, delete the connection with PGW, and retain user information
And strategy；Above-mentioned PCRF sends above-mentioned Charge Advice Information to above-mentioned TDF；Wherein, above-mentioned Charge Advice Information is for notifying
TDF execution charging is stated to stop operation.The above method further include: after above-mentioned PCRF detects that PGW resumes work, Xiang Shangshu TDF hair
It serves and states Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
Fig. 4 is the flow chart of PGW and TDF charging synchronous method according to an embodiment of the present invention, as shown in figure 4, include with
Lower step (step S402- step S406):
Step S402, PGW receive downlink data, PGW not charging and packet discard in not available carrying.
Step S404, PGW pass through PCRF temporarily unavailable, pause charging to TDF notice carrying；If PCRF is directly detected
Restart to SGW or PGW is restarted, PCRF will directly notify TDF that carrying is unavailable, suspend charging.
The carrying of step S406, PGW restore normal, and PGW needs recovered to TDF notice carrying by PCRF and restores
Charging.
Fig. 5 is the flow chart according to an embodiment of the present invention for notifying TDF charging synchronous after SGW is restarted, as shown in figure 5,
Include the following steps (step S502- step S514):
Step S502, after MME detects that SGW is restarted, when MME still retains bearer context and one section of user's context
Between.
Step S504, after PGW detects that SGW is restarted, when PGW still retains bearer context and one section of user's context
Between, but mark impacted carrying temporarily unavailable.
Step S506, PGW PGW and without charging and are directly abandoned when receiving downlink data in the carrying that these retain
These data packets received.
Step S508, PGW send TDF to PCRF and stop charging request message notice PCRF: carrying is temporarily unavailable and needs
TDF is wanted to stop charging.
Step S510, PCRF send TDF to TDF and stop charging request message notice TDF: carrying is temporarily unavailable and needs
TDF stops charging.
Step S512, TDF return to TDF to PCRF and stop charge response message.
Step S514, PCRF return to TDF to PGW and stop charge response message.
It is to be illustrated for the overlay area MME in the present embodiment by UE, for UE in the overlay area SGSN, processing method
It is similar with its, therefore be no longer described in detail.
When Fig. 6 is carrying " hang-up " state according to an embodiment of the present invention in SRVCC on PGW, PGW notifies TDF meter
Take synchronous flow chart, as shown in fig. 6, including the following steps (step S602- step S642):
Step S602, UE send measurement report to eNodeB.
Step S604, according to the measurement report of UE, eNodeB determines to initiate SRVCC switching to GERAN, and eNodeB is to MME
Send switching request message.
Step S606, MME classify according to the QCI of carrying, and voice bearer is switched in circuit domain, and MME is sent out to MSC
Send the switching request message of PS to CS.
Step S608, MSC send switching request message to BSS, and BSS returns to switch acknowledgment message to MSC.
Step S610, MSC return to the switching response message of PS to CS to MME.
Step S612, source MME send switching command to source eNodeB.
Step S614, source eNodeB send switching command to UE.
Step S616, UE switch to GERAN, and UE sends carrying hang-up process to BSS.
Step S618, target BSS forward carrying message on hold to target SGSN.
Step S620, target SGSN initiate to hang up notification message to source MME, and source MME returns to corresponding confirmation message.
Step S622, target BSS send handoff completion message to target SGSN.
Step S624, MSC send PS to CS handoff completion message to MME；MME returns to PS to CS switching confirmation to MSC and disappears
Breath.
Step S626, source MME send to SGW and hang up notification message.
Step S628, SGW are forwarded to PGW and are hung up notification message.
Step S630, PGW are returned to SGW and are hung up confirmation message.
Step S632, SGW are returned to MME and are hung up confirmation message.
Step S634, PGW PGW and without charging and are directly abandoned when receiving downlink data in the carrying that these are hung up
These data packets received.
Step S636, PGW send TDF to PCRF and stop charging request message notice PCRF: carrying temporary suspension simultaneously needs
TDF stops charging.
Step S638, PCRF send TDF to TDF and stop charging request message notice TDF: carrying temporary suspension simultaneously needs
TDF stops charging.
Step S640, TDF return to TDF to PCRF and stop charge response message.
Step S642, PCRF return to TDF to PGW and stop charge response message.
It is to be illustrated for the overlay area MME originally in the present embodiment by UE；It was in the covering of SGSN originally for UE
Region, processing method is similar with its, therefore is no longer described in detail.It is to illustrate in the present embodiment by taking SRVCC as an example, UE is carried out
The process of CSFB, processing method is similar with its, therefore is no longer described in detail.
Fig. 7 is that notice TDF is extensive after the carrying that MME according to an embodiment of the present invention reselects after a SGW on PGW restores
The flow chart of multiple charging, as shown in fig. 7, comprises following steps (step S702- step S718):
Step S702, MME reselect a SGW, this SGW can be the SGW restarted or other normal works
The SGW of work.
Step S704, MME establish conversation request message to new SGW transmission, IMSI are carried in message, IP address is held
Carry the parameters such as QoS.
Step S706, new SGW send modification bearing request message to PGW.
Step S708, PGW return to modification bearing response message to SGW.
Step S710, SGW establish conversational response message to MME return.
After carrying on step S712, PGW restores normal, PGW sends TDF to PCRF and restores Charge Advice Information for leading to
Know that carrying restores normal and TDF is needed to restore charging.
Step S714, PCRF send TDF to TDF and restore Charge Advice Information for notifying carrying to restore normal and needing TDF
Restore charging.
Step S716, TDF return to TDF to PCRF and restore charging confirmation message.
Step S718, PCRF return to TDF to PGW and restore charging confirmation message.
Fig. 8 is to return to E-UTRAN after end CS session according to an embodiment of the present invention to cover notice after lower PGW restores normal
TDF restores the flow chart of charging, and the process of Fig. 8 can be attached on the process of Fig. 6, as shown in figure 8, including the following steps
(step S802- step S820):
Step S802, UE return to the overlay area eNodeB after terminating CS call, and UE sends TAU request message to MME.
Step S804, MME send modification bearing request message to SGW.
Step S806, SGW send modification bearing request message to PGW.
Step S808, PGW return to modification bearing response message to SGW.
Step S810, SGW establish conversational response message to MME return.
Step S812, MME return to TAU received message to UE.
After carrying on step S814, PGW restores normal, PGW sends TDF to PCRF and restores Charge Advice Information for leading to
Know that carrying restores normal and TDF is needed to restore charging.
Step S816, PCRF send TDF to TDF and restore Charge Advice Information for notifying carrying to restore normal and needing TDF
Restore charging.
Step S818, TDF return to TDF to PCRF and restore charging confirmation message.
Step S820, PCRF return to TDF to PGW and restore charging confirmation message.
The present embodiment is illustrated by taking TAU message as an example, and for other non-access layer informations, detailed process is similar, no
It is specifically described.
Fig. 9 is that PCRF according to an embodiment of the present invention detects that SGW restarts the flow chart that notice TDF stops charging, such as Fig. 9
It is shown, include the following steps (step S902- step S910):
Step S902, after MME detects that SGW is restarted, when MME still retains bearer context and one section of user's context
Between；
Step S904, after PGW detects that SGW is restarted, when PGW still retains bearer context and one section of user's context
Between, but mark impacted carrying temporarily unavailable；
Step S906, after PCRF detects that SGW is restarted, PCRF locally deletes the connection with SGW, but still retains user
Other information and strategy；
Step S908, PCRF send TDF to TDF and stop charging request message notice TDF: carrying is temporarily unavailable and needs
Stop charging；
Step S910, TDF return to TDF to PCRF and stop charge response message；
Under the application scenarios of the embodiment, charging restores process still can be using mode provided by similar Fig. 7, i.e.,
After the completion of PCRF detects that SGW is restarted, executes subsequent charging and restore process, details are not described herein.
Figure 10 is that PCRF according to an embodiment of the present invention detects that PGW restarts the flow chart that notice TDF stops charging, is such as schemed
Shown in 10, include the following steps (step S1002- step S1008):
Step S1002, PGW are restarted.
Step S1004, after PCRF detects that PGW is restarted, PCRF locally deletes the connection with PGW, but still retains and use
The other information and strategy at family.
Step S1006, PCRF send TDF to TDF and stop charging request message notice TDF: carrying is temporarily unavailable and needs
Stop charging.
Step S1008, TDF return to TDF to PCRF and stop charge response message.
Under the application scenarios of the embodiment, charging, which restores process, still can use mode provided by similar Fig. 7,
After the completion of PCRF detects that PGW is restarted, executes subsequent charging and restore process, details are not described herein.
Corresponding to the charging synchronous method of above-described embodiment introduction, the present embodiment provides a kind of charging synchronizing device, the dresses
Setting can be set on PGW, to realize above-described embodiment.Figure 11 is the knot of charging synchronizing device according to an embodiment of the present invention
Structure block diagram, as shown in figure 11, the device include: charging execution module 12, based on notifying TDF execution identical with above-mentioned PGW
Take operation.
By above-mentioned apparatus, the charging execution module notice TDF of PGW executes billing operation identical with PGW, solves phase
The nonsynchronous problem of PGW and TDF charging in the technology of pass reduces due to the asynchronous caused error of PGW and TDF charging, perfect
The charging flow of PGW and TDF.
Preferably, above-mentioned charging execution module includes: charging execution unit, for notifying above-mentioned TDF to execute by PCRF
Billing operation identical with above-mentioned PGW.Above-mentioned apparatus further include: charging determining module, after receiving downlink data packet, really
It is fixed charging is executed to above-mentioned data packet to stop operation or charging recovery operation.To ensure that notice process accuracy and when
Effect property.
Above-mentioned charging execution unit includes: the first execution subelement, is executed for determining in above-mentioned PGW to above-mentioned data packet
In the case that charging stops operation, above-mentioned TDF is notified to execute charging and stop operation by above-mentioned PCRF, and/or notify above-mentioned TDF
Directly abandon above-mentioned data packet；Second executes subelement, for determining that executing charging to above-mentioned data packet restores behaviour in above-mentioned PGW
In the case where work, above-mentioned TDF is notified to execute charging recovery operation by above-mentioned PCRF.By above-mentioned apparatus, realize PGW and
The charging of TDF is synchronous.
Above-mentioned charging determining module includes: that charging stops determination unit, for receiving downlink in not available carrying
After data packet, determine that executing charging to above-mentioned data packet stops operation；Alternatively, charging restores determination unit, for restoring just
After receiving downlink data packet in normal carrying, determines and charging recovery operation is executed to above-mentioned data packet.In above-mentioned PGW notice
It states in the case that TDF directly abandons above-mentioned data packet, above-mentioned apparatus further include: notification module, for restoring normal in carrying
In the case of, notify above-mentioned TDF to execute charging recovery operation.By above-mentioned apparatus, the synchronization that charging stops operation is realized respectively
It is synchronous with charging recovery operation.
Before PGW receives downlink data packet in not available carrying, above-mentioned charging determining module further include: retain single
Member retains bearer context and user's context after detecting that gateway SGW is restarted；Marking unit, for marking
It states and is carried as not available carrying.The structure be it is subsequent according to carrying whether can be with determining that executing charging stop operation or charging
Recovery operation provides the foundation.
Before PGW receives downlink data packet in not available carrying, above-mentioned charging determining module further include: notice disappears
Receiving unit is ceased, notification message is hung up by the carrying that SGW is sent for receiving mobile management entity MME；Confirmation message returns
Unit hangs up confirmation message for returning to carrying to above-mentioned MME by above-mentioned SGW；Wherein, the hang-up of above-mentioned PGW is carried as
Not available carrying.
Before PGW receives downlink data packet on restoring normal carrying, above-mentioned charging determining module further include: request
Message reception units, the modification bearing request message sent for receiving above-mentioned MME by SGW；Response message return unit is used
Bearing response message is modified in returning by above-mentioned SGW to above-mentioned MME；Wherein, the modification of above-mentioned PGW is carried as restoring normal
Carrying.
Corresponding to the charging synchronous method of above-described embodiment introduction, the present embodiment provides a kind of charging synchronization systems, this is
System is to realize above-described embodiment.Figure 12 is the structural block diagram of charging synchronization system according to an embodiment of the present invention, such as Figure 12 institute
Show, which includes: PGW, PCRF and TDF, wherein PGW includes the charging synchronizing device of above-described embodiment introduction, PGW packet
It includes: the first sending module 14, for sending Charge Advice Information to PCRF；Wherein, the Charge Advice Information is above-mentioned for notifying
TDF executes billing operation identical with PGW；PCRF includes: the second sending module 16, for sending above-mentioned charging to above-mentioned TDF
Notification message.
Above-mentioned TDF includes: respond module, for returning to advice of charge response message to above-mentioned PCRF；Above-mentioned PGW is also wrapped
It includes: receiving module, the above-mentioned advice of charge response message sent for receiving above-mentioned PCRF.With this configuration, PGW can be known
The notice of the PGW of TDF response improves the synchronous accuracy and efficiency of charging.
Above-mentioned PGW further include: reservation module, for retaining bearer context and user or more after detecting that SGW is restarted
Text, and mark and above-mentioned be carried as not available carrying；Above-mentioned PCRF further include: the first removing module, for detecting SGW weight
Qi Hou deletes the connection with above-mentioned SGW, and retains user information and strategy；Above-mentioned PCRF further include: first message sends mould
Block, for sending above-mentioned Charge Advice Information to above-mentioned TDF；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute
Charging stops operation.With this configuration, PCRF can trigger charging and stop operation or count by detecting to restarting for SGW
Take recovery operation, extends the synchronous scope of application of charging.
Above-mentioned PCRF further include: second message sending module, for after detecting that SGW resumes work, Xiang Shangshu TDF to be sent out
It serves and states Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.It is above-mentioned
PCRF further include: the second removing module, for deleting the connection with above-mentioned PGW, and retain after detecting that above-mentioned PGW is restarted
User information and strategy；Above-mentioned PCRF further include: third message transmission module, for sending above-mentioned advice of charge to above-mentioned TDF
Message；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF executes charging to stop operation.
Above-mentioned PCRF further include: the 4th message transmission module, for after detecting that above-mentioned PGW resumes work, Xiang Shangshu
TDF sends above-mentioned Charge Advice Information；Wherein, above-mentioned Charge Advice Information is for notifying above-mentioned TDF to execute charging recovery operation.
With this configuration, PCRF is by detecting restarting for PGW, can trigger charging and stop operation or charging recovery operation, expand
The synchronous scope of application of charging is opened up.
As can be seen from the above description, PGW notice TDF executes billing operation identical with the PGW in the present invention, real
It is synchronous with the charging of TDF to have showed PGW, reduce due to PGW and TDF charging it is asynchronous caused by error, perfect PGW and TDF
Charging flow.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (29)
1. a kind of charging synchronous method characterized by comprising
Packet data network gateway PGW notifies business detection function entity TDF to execute billing operation identical with the PGW, comprising:
The PGW notifies the TDF to execute billing operation identical with the PGW by strategy with charging regulation function entity PCRF；
Wherein, the method also includes: after the PCRF detects that the PGW resumes work, Xiang Suoshu TDF send advice of charge
Message；Wherein, the Charge Advice Information is for notifying the TDF to execute charging recovery operation.
2. the method according to claim 1, wherein the PGW notifies the TDF execution identical as the PGW
Billing operation before, the method also includes:
After the PGW receives downlink data packet, determination is stopped operation to data packet execution charging or charging restores behaviour
Make.
3. according to the method described in claim 2, it is characterized in that, the PGW by the PCRF notify the TDF execute with
The identical billing operation of the PGW includes:
In the case where the PGW determines that executing charging to the data packet stops operation, the PGW is notified by the PCRF
The TDF executes charging and stops operation, and/or the TDF is notified directly to abandon the data packet；
Determine that the PGW is notified by the PCRF in the case where executing charging recovery operation to the data packet in the PGW
The TDF executes charging recovery operation.
4. according to the method described in claim 2, it is characterized in that, determining after the PGW receives downlink data packet to described
Data packet execution charging stops operation or charging recovery operation includes:
After the PGW receives downlink data packet in not available carrying, determine that executing charging to the data packet stops behaviour
Make；Alternatively,
After the PGW receives downlink data packet on restoring normal carrying, determine that executing charging to the data packet restores
Operation.
5. according to the method described in claim 3, it is characterized in that, notifying the TDF directly to abandon the data in the PGW
In the case where packet, the method also includes:
The PGW notifies the TDF to execute charging recovery operation in the case where carrying restores normal situation.
6. according to the method described in claim 4, it is characterized in that, the PGW receives lower line number in not available carrying
Before packet, the method also includes:
After the PGW detects that gateway SGW is restarted, retain bearer context and user's context；
Not available carrying is carried as described in the PGW label.
7. according to the method described in claim 4, it is characterized in that, the PGW receives lower line number in not available carrying
Before packet, the method also includes:
The PGW receives mobile management entity MME and hangs up notification message by the carrying that SGW is sent；
The PGW returns to carrying to the MME by the SGW and hangs up confirmation message；Wherein, the carrying of the hang-up of the PGW
For not available carrying.
8. according to the method described in claim 4, it is characterized in that, the PGW receives downlink on restoring normal carrying
Before data packet, the method also includes:
The PGW receives the modification bearing request message that mobile management entity MME is sent by SGW；
The PGW returns to modification bearing response message to the MME by the SGW；Wherein, the carrying of the modification of the PGW
To restore normal carrying.
9. according to the method described in claim 8, it is characterized in that, the PGW receives the modification that the MME is sent by SGW
Before bearing request message, the method also includes:
The MME gravity treatment SGW；Wherein, the SGW of gravity treatment is the SGW of the SGW restarted or normal work.
10. according to the method described in claim 8, it is characterized in that, the PGW receives the modification that the MME is sent by SGW
Before bearing request message, the method also includes:
The MME receives the non-access layer information that user equipment (UE) is sent.
11. according to the method described in claim 10, it is characterized in that, the non-access layer information is that tracing section updating TAU is asked
Seek message.
12. the method according to claim 1, wherein the PGW notifies the TDF to execute by the PCRF
Billing operation identical with the PGW includes:
The PGW sends Charge Advice Information to the PCRF；Wherein, the Charge Advice Information is for notifying the TDF to hold
Row billing operation identical with the PGW；
The PCRF sends the Charge Advice Information to the TDF.
13. according to the method for claim 12, which is characterized in that the PGW notifies the TDF to execute by the PCRF
After billing operation identical with the PGW, the method also includes:
The TDF returns to advice of charge response message to the PCRF；
The PGW receives the advice of charge response message that the PCRF is sent.
14. the method according to claim 1, wherein the method also includes:
After the PGW detects that SGW is restarted, retain bearer context and user's context, and is carried as described in label unavailable
Carrying；
After the PCRF detects that SGW is restarted, the connection with the SGW is deleted, and retain user information and strategy；
The PCRF sends Charge Advice Information to the TDF；Wherein, the Charge Advice Information is for notifying the TDF to hold
Row charging stops operation.
15. the method according to claim 1, wherein the method also includes:
After the PCRF detects that SGW resumes work, Xiang Suoshu TDF sends Charge Advice Information；Wherein, the advice of charge disappears
Breath is for notifying the TDF to execute charging recovery operation.
16. the method according to claim 1, wherein the method also includes:
After the PCRF detects that the PGW is restarted, the connection with the PGW is deleted, and retain user information and strategy；
The PCRF sends Charge Advice Information to the TDF；Wherein, the Charge Advice Information is for notifying the TDF to hold
Row charging stops operation.
17. a kind of charging synchronizing device characterized by comprising
Charging execution module, for notifying business detection function entity TDF to execute billing operation identical with PGW, wherein described
Charging execution module includes: charging execution unit, for notifying the TDF to hold with charging regulation function entity PCRF by strategy
Row billing operation identical with the PGW；
Wherein, the PCRF is used for after detecting that the PGW resumes work, and Xiang Suoshu TDF sends Charge Advice Information；Its
In, the Charge Advice Information is for notifying the TDF to execute charging recovery operation.
18. device according to claim 17, which is characterized in that described device further include:
Charging determining module, after receiving downlink data packet, determine to the data packet execute charging stop operation or
Charging recovery operation.
19. device according to claim 18, which is characterized in that the charging execution unit includes:
First executes subelement, for passing through in the case where the PGW determines that executing charging to the data packet stops operation
The PCRF notifies the TDF to execute charging and stop operation, and/or the TDF is notified directly to abandon the data packet；
Second executes subelement, for passing through in the case where the PGW is determined and executed charging recovery operation to the data packet
The PCRF notifies the TDF to execute charging recovery operation.
20. device according to claim 18, which is characterized in that the charging determining module includes:
Charging stops determination unit, after receiving downlink data packet in not available carrying, determines to the data packet
Charging is executed to stop operation；Alternatively,
Charging restores determination unit, after receiving downlink data packet on restoring normal carrying, determines to the data
Packet executes charging recovery operation.
21. device according to claim 19, which is characterized in that notify the TDF directly to abandon the number in the PGW
In the case where packet, described device further include:
Notification module, for notifying the TDF to execute charging recovery operation in the case where carrying restores normal situation.
22. device according to claim 20, which is characterized in that the PGW receives downlink in not available carrying
Before data packet, the charging determining module further include:
Stick unit retains bearer context and user's context after detecting that gateway SGW is restarted；
Marking unit described is carried as not available carrying for marking.
23. device according to claim 20, which is characterized in that the PGW receives downlink in not available carrying
Before data packet, the charging determining module further include:
Notification message receiving unit hangs up notification message by the carrying that SGW is sent for receiving mobile management entity MME；
Confirmation message return unit hangs up confirmation message for returning to carrying to the MME by the SGW；Wherein, described
The hang-up of PGW is carried as not available carrying.
24. device according to claim 20, which is characterized in that under the PGW is received on restoring normal carrying
Before row data packet, the charging determining module further include:
Request message receiving unit, the modification bearing request message sent for receiving MME by SGW；
Response message return unit, for returning to modification bearing response message to the MME by the SGW；Wherein, described
Being carried as restoring of the modification of PGW normally carries.
25. a kind of charging synchronization system characterized by comprising packet data network gateway PGW, strategy and charging rule functions
Entity PCRF and business detection function entity TDF, wherein the PGW includes described in any one of claim 17 to 24
Charging synchronizing device,
The PGW includes: the first sending module, for sending Charge Advice Information to the PCRF；Wherein, the advice of charge
Message is for notifying the TDF to execute billing operation identical with the PGW；
The PCRF includes: the second sending module, for sending the Charge Advice Information to the TDF.
26. system according to claim 25, which is characterized in that
The TDF includes: respond module, for returning to advice of charge response message to the PCRF；
The PGW further include: receiving module, the advice of charge response message sent for receiving the PCRF.
27. system according to claim 25, which is characterized in that
The PGW further include: reservation module, for retaining bearer context and user's context after detecting that SGW is restarted,
And not available carrying is carried as described in marking；
The PCRF further include: the first removing module, for after detecting that SGW is restarted, deleting the connection with the SGW, and
Retain user information and strategy；
The PCRF further include: first message sending module, for sending the Charge Advice Information to the TDF；
Wherein, the Charge Advice Information is for notifying the TDF executes charging to stop operation.
28. system according to claim 25, which is characterized in that
The PCRF further include: second message sending module, for after detecting that SGW resumes work, Xiang Suoshu TDF to send institute
State Charge Advice Information；Wherein, the Charge Advice Information is for notifying the TDF to execute charging recovery operation.
29. system according to claim 25, which is characterized in that
The PCRF further include: the second removing module, for deleting the company with the PGW after detecting that the PGW is restarted
It connects, and retains user information and strategy；
The PCRF further include: third message transmission module, for sending the Charge Advice Information to the TDF；
Wherein, the Charge Advice Information is for notifying the TDF executes charging to stop operation.
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| CN201210397754.6A CN103781041B (en) | 2012-10-18 | 2012-10-18 | Charging synchronous method, apparatus and system |
| PCT/CN2013/085190 WO2014059911A1 (en) | 2012-10-18 | 2013-10-14 | Accounting synchronization method, apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210397754.6A CN103781041B (en) | 2012-10-18 | 2012-10-18 | Charging synchronous method, apparatus and system |
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| CN110166962B (en) * | 2018-02-14 | 2021-01-05 | 华为技术有限公司 | Rule management method and equipment |
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| CN102378405A (en) * | 2010-08-23 | 2012-03-14 | 中兴通讯股份有限公司 | Resource release method and serving gateway |
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| US8640188B2 (en) * | 2010-01-04 | 2014-01-28 | Tekelec, Inc. | Methods, systems, and computer readable media for providing group policy configuration in a communications network using a fake user |
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| CN102625272B (en) * | 2011-01-31 | 2017-03-29 | 中兴通讯股份有限公司 | A kind of consumption monitoring method and system for supporting current detection functionality |
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