CN103731817B - Data transmission method and equipment - Google Patents
Data transmission method and equipment Download PDFInfo
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- CN103731817B CN103731817B CN201410001442.8A CN201410001442A CN103731817B CN 103731817 B CN103731817 B CN 103731817B CN 201410001442 A CN201410001442 A CN 201410001442A CN 103731817 B CN103731817 B CN 103731817B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000004044 response Effects 0.000 claims abstract description 95
- 238000012986 modification Methods 0.000 claims description 67
- 230000004048 modification Effects 0.000 claims description 67
- 230000001360 synchronised effect Effects 0.000 claims description 53
- 238000012217 deletion Methods 0.000 claims description 27
- 230000037430 deletion Effects 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 19
- 238000012546 transfer Methods 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 13
- 241000208340 Araliaceae Species 0.000 claims description 5
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 5
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 5
- 235000008434 ginseng Nutrition 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
- 238000013475 authorization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
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Abstract
The embodiment of the invention provides a data transmission method and equipment, and relates to the field of communication. The data transmission method and equipment can allow mobile equipment to carry out data transmission with the same PCRF unit by means of DRA equipment of different factories. The method includes the steps that after receiving an IP address of the mobile equipment sent by an AF unit, the first DRA equipment sends a redirection inquiry message to the second DRA equipment and obtains identification information corresponding to the PCRF unit of the mobile equipment according to a redirection response message sent by the second DRA equipment, the first DRA equipment builds the corresponding relationship between the IP address of the mobile equipment and the identification information of the PCRF unit, and accordingly the mobile equipment can carry out data transmission with the PCRF unit through the first DRA equipment and the second DRA equipment according to the corresponding relationship between the IP address and the identification information of the PCRF unit. The data transmission method and equipment can be used for data transmission between the mobile equipment and the PCRF unit.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method and apparatus of data transfer.
Background technology
In communication network commonly used today, in order to ensure the safety and commercial use of communication network, in communication network
The use of all kinds of resources needs to support authentication, authorization, accounting function by communications network system.At present, communications network system makes
Two kinds of main flows AAA（Authentication, Authorization, Accounting, certification is authorized, charging）Using association
Discuss as Radius and Diameter.Wherein, the Diameter is Internet Engineering Task group in order to AAA of future generation takes
Business device and a set of new protocol architecture that proposes.
DRA（Diameter Routing Agent, Diameter route agents）Equipment is a Diameter node, should
DRA equipment pre-saves the corresponding relation between Diameter client and service end, the such as fixed sign of mobile device
IMSI（International Mobile Subscriber Identification, international mobile subscriber identity）And PCRF
（Policy and Charging Rules Function, "Policy and Charging Rules Function）The corresponding relation of unit, the DRA sets
It is standby to be responsible for forwarding the signaling between Diameter client and service end by the corresponding relation.For multiple PCRF units, together
The PCC of one user conversation（Policy Control and Charging, policy control and charging）Strategy can only be by a PCRF
Unit determines that then when user sends PCC conversation request messages by a DRA equipment to the PCRF unit, a DRA sets
It is standby IP address and PCRF temporarily to be indicated according to the fixed sign IMSI of PCC conversation request messages record user, session
The corresponding relation of unit, and a DRA equipment sends the corresponding relation to the 2nd DRA equipment by privately owned interface, should
2nd DRA equipment by with the privately owned interface corresponding relation of a DRA equipment identicals, wherein, the 2nd DRA equipment
Belong to identical producer with a DRA equipment, there is the privately owned interface of identical between the DRA equipment of identical producer, so, this
Two DRA equipment also record the corresponding relation of the IMSI, the IP address and the PCRF unit, it is ensured that the user can pass through described
Two DRA equipment carry out data transmission with same PCRF unit.
From the foregoing, it will be observed that the corresponding relation of the IMSI, IP address and PCRF preserved in two DRA equipment is by two DRA
What the privately owned interface of identical between equipment was synchronized, and the privately owned interface of different manufacturers is different, therefore, carrying out, PCRF is mono-
During the deployment of unit, for the DRA equipment of different manufacturers in same region, the PCRF unit cannot be with the two of different manufacturers
DRA equipment synchronous bindings, so as to affect the deployment and application of the PCRF unit, reduce Consumer's Experience.
The content of the invention
The present invention provides a kind of method and apparatus of data transfer, and mobile device can be made to set by the DRA of different manufacturers
It is standby to carry out data transmission with one PCRF unit.
First aspect present invention provides a kind of method of data transfer, including：
First DRA equipment sets after the IP address of mobile device of application function AF units transmission is received to the 2nd DRA
Preparation send redirection query messages, wherein, the redirection query messages include the IP address and redirect Redirection
Parameter；The 2nd DRA equipment is stored with the identification information of the IP address and "Policy and Charging Rules Function PCRF unit
Corresponding relation；
In the 2nd DRA equipment according to the redirection Redirection parameters by the IP address and described right
After the determination PCRF unit should be related to, the redirection response message that the 2nd DRA equipment sends is received, wherein, it is described heavy
Orientation response message includes the identification information of the PCRF unit；
The IP address of the mobile device and the corresponding relation of the identification information of the PCRF unit are set up, so as to the shifting
Dynamic equipment is according to the IP address with the corresponding relation of the identification information of the PCRF unit by a DRA equipment and institute
State the 2nd DRA equipment to carry out data transmission with the PCRF unit.
Second aspect present invention provides a kind of DRA equipment, including：
Transmitting element, for after the IP address of mobile device of application function AF units transmission is received, to described the
Two DRA equipment send and redirect query messages, wherein, the redirection query messages include the IP address and redirection
Redirection parameters；The 2nd DRA equipment is stored with the IP address and "Policy and Charging Rules Function PCRF unit
The corresponding relation of identification information；
Receiving unit, for the redirection Redirection sent according to the transmitting element in the 2nd DRA equipment
Parameter determines after the PCRF unit that reception the 2nd DRA equipment sends by the IP address and the corresponding relation
Response message is redirected, wherein, the response message that redirects includes the identification information of the PCRF unit；
Processing unit, for the PCRF unit redirected in response message that basis is received in the receiving unit
Identification information set up the IP address of the mobile device and the corresponding relation of the identification information of the PCRF unit, so as to described
Mobile device according to the IP address and the corresponding relation of the identification information of the PCRF unit by a DRA equipment and
The 2nd DRA equipment carries out data transmission with the PCRF unit.
Using such scheme, the 2nd DRA equipment be stored with mobile device IP address with to should mobile device PCRF
The corresponding relation of the identification information of unit, then a DRA equipment receive AF units transmission mobile device IP address after,
Send to redirect in query messages, and the redirection response message sent from the 2nd DRA equipment to the 2nd DRA equipment and obtain
To should mobile device PCRF unit identification information, set up the IP address of the mobile device and believe with the mark of the PCRF unit
The corresponding relation of breath, so that the mobile device passes through to be somebody's turn to do according to the corresponding relation of the IP address and the identification information of the PCRF unit
First DRA equipment and the 2nd DRA equipment carry out data transmission with the PCRF unit.So, due to a DRA equipment and should
2nd DRA equipment is all stored with the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit, therefore, when
When first DRA equipment is different manufacturers with the 2nd DRA equipment, the mobile device can pass through a DRA equipment and be somebody's turn to do
2nd DRA equipment carries out data transmission with one PCRF unit.
Description of the drawings
Strategy and the structural representation of charging control system that Fig. 1 is provided for the present invention；
The structural representation that Fig. 2 binds for a pair of DRA equipment that the present invention is provided with PCRF unit；
Fig. 3 is a kind of schematic flow sheet of data transfer provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of another kind of data transfer provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of DRA equipment provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Following examples of the present invention can apply to strategy and charging control system, and the strategy is with charging control system as schemed
Shown in 1, including application function AF units, user property memory SPR units, "Policy and Charging Rules Function PCRF unit, plan
Slightly with charge execution function PCEF units and Online Charging System OCS and off-line accounting system OFCS.Wherein, the PCRF unit
Control and charging policy are formulated for the information that provides according to AF units, PCEF units and SPR units, and by the control and charging
Strategy is sent to the PCEF units；The PCEF units are used to obtain business datum and perform the control and charging policy；The AF is mono-
Unit is used to send session service information to the PCRF unit, so that the PCRF unit formulates corresponding according to the session service information
Control and charging policy.When session is initiated, the PCEF units send session establishment to mobile device by Gx interfaces to DRA equipment
The session establishment request message is forwarded to the PCRF unit by request message, the DRA equipment, so that the PCRF unit is according to the meeting
Words set up request message and send session establishment response message to the PCEF units by the DRA equipment, complete the mobile device
Session establishment, wherein, the session establishment request message includes the IMSI of the mobile device and the IP address of the mobile device；The shifting
When conversating, the AF units send session service request message, the DRA equipment to dynamic equipment by Rx interface to DRA equipment
The session service request message is forwarded to into the PCRF unit, so that the PCRF unit passes through according to the session service request message
The DRA equipment to the PCEF units send charging policy message, wherein, the session service request message is included in the session by moving
Dynamic network is randomly assigned to the IP address of the mobile device.
In addition, for the consideration of disaster tolerance and load sharing, the DRA equipment in system needs to be arranged in pairs, Fig. 2 is that PCEF is mono-
The structural representation that unit is carried out data transmission with AF units by a pair of DRA equipment and PCRF unit, the PCEF units and the AF
Unit can randomly choose a DRA equipment or the 2nd DRA sets when by DRA equipment to PCRF unit transmission data
The standby transmission for carrying out data, for example, the PCEF units carry out data biography by a DRA equipment and first PCRF unit
It is defeated, it is also possible to be carried out data transmission with first PCRF unit by the 2nd DRA equipment.For first PCRF unit and should
Second PCRF unit, because the charging policy of same mobile device can only be determined by one PCRF unit, therefore, a DRA
Equipment and the 2nd DRA equipment need with set up, change and delete the IP address of the mobile device with to should mobile device
The corresponding relation of the identification information of PCRF unit, so that the PCEF units are pressed by a DRA equipment and the 2nd DRA equipment
Carry out data transmission with same PCRF unit according to the corresponding relation.So, when wherein a DRA equipment breaks down, separately
One DRA equipment also ensures that the strategy and charge system normal work.
The embodiment of the present invention provides a kind of method of data transfer, as shown in figure 3, the method includes：
S301, a DRA equipment receive AF units transmission mobile device IP address after, to the 2nd DRA equipment
Send and redirect query messages.
Wherein, the redirection query messages include the IP address and redirect Redirection parameters；2nd DRA sets
The standby IP address and the corresponding relation of the identification information of "Policy and Charging Rules Function PCRF unit of being stored with.
It should be noted that before step S301, the 2nd DRA equipment receives the session establishment that the PCEF units send
Request message, and according to the session establishment message set up the IP address of the mobile device with to should mobile device PCRF unit
Identification information corresponding relation.
S302, the 2nd DRA equipment according to the redirection Redirection parameters by the IP address and this correspondence close
System determines after the PCRF unit that a DRA equipment receives the redirection response message of the 2nd DRA equipment transmission.
Wherein, the redirection response message includes the identification information of the PCRF unit.
It should be noted that DRA equipment has four kinds of working methods, including Relay modes, Proxy modes,
Translation modes and Redirection modes, the present invention indicates four kinds of DRA equipment using four kinds of different instruction parameters
Different working methods, including Relay parameters, Proxy parameters, Translation parameters and Redirection parameters, also
It is to say, the redirection Redirection parameters in above-mentioned redirection query messages are used to indicate that the 2nd DRA equipment is operated in
Redirection modes, the i.e. IP address in the redirection query messages and the corresponding relation of the 2nd DRA equipment storage
Be defined as to should transporting apparatus PCRF unit, and the identification information of the PCRF unit is sent to a DRA equipment.
Illustratively, the 2nd DRA equipment disappears receiving the session establishment request that the PCEF units are sent by Gx interfaces
During breath, IMSI in the session establishment request message determines the PCRF unit of correspondence mobile device, and sets up the movement and set
The corresponding relation of standby IP address and the identification information of the PCRF unit, then the 2nd DRA equipment forwarded by the corresponding relation
The session establishment request message to the PCRF unit, so as to the PCRF unit according to the session establishment request message by this second
DRA equipment to the PCEF units send session establishment response message, complete the foundation of session.Conversate in the mobile device
When, if the 2nd DRA equipment receives the session service request message of AF units transmission, wherein, the session service request message
Including the IP address of the mobile device, then the 2nd DRA equipment determines the PCRF according to the IP address by above-mentioned corresponding relation
Unit, and the session service request message is forwarded to into the PCRF unit；If a DRA equipment receives the AF units and sends
Session service request message, then it is determined that there is no the mark of PCRF unit corresponding with the IP address in a DRA equipment
During information, to the 2nd DRA equipment send redirect query messages, wherein, the redirection query messages include the IP address and
Redirection parameters are redirected, then the 2nd DRA equipment is according to the redirection Redirection parameter determinations the 2nd DRA
The working method of equipment, according to the IP address and the corresponding relation identification information of the PCRF unit is determined, and to a DRA
Equipment sends and redirects response message, wherein, the redirection response message includes the identification information of the PCRF unit.
S303, a DRA equipment set up the corresponding of the IP address of the mobile device and the identification information of the PCRF unit
Relation, so that the mobile device passes through a DRA according to the corresponding relation of the IP address and the identification information of the PCRF unit
Equipment and the 2nd DRA equipment carry out data transmission with the PCRF unit.
By above-mentioned steps, a DRA equipment is in the IP address that there is no the mobile device and the mark of the PCRF unit
During the corresponding relation of knowledge information, a DRA equipment sends to the 2nd DRA equipment and redirects query messages, is somebody's turn to do with obtaining
The identification information of PCRF unit, and the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit is set up,
The mobile device is enabled to carry out data with same PCRF unit by a DRA equipment and the 2nd DRA equipment
Transmission.
It should be noted that due to PCEF units can randomly choose DRA equipment send session establishment request message, then in order to
Description is convenient, and the present invention is that the session establishment request message for receiving PCEF units transmission with the 2nd DRA equipment is illustrated,
In being embodied as, a DRA equipment can also receive the session establishment request message that the PCEF units send, and according to this
Session establishment request message sets up the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit, then at this
When 2nd DRA equipment receives the session service request message of AF units transmission, the 2nd DRA equipment can also perform above-mentioned step
, to step S303, here is omitted for rapid S301.
In addition, herein the information exchange between all DRA equipment and the 2nd DRA equipment is all by both sides
What the C links between DRA equipment were carried out, because the DRA equipment of different manufacturers can also enter row information and hand over by the C links
Mutually, so, it is to avoid using the privately owned interface of DRA equipment.
Alternatively, when the session information of the mobile device changes, the IP address of the such as mobile device changes,
The PCEF units can initiate session modification request message by DRA equipment to the PCRF unit, then connect according to different DRA equipment
Receive the session modification request message, the IP address of the DRA apparatus modifications mobile device and the mark of the PCRF unit
The corresponding relation of information has following two implementations.
Mode one, a DRA equipment receive the synchronous vacations request message of the 2nd DRA equipment transmission, according to route
Act on behalf of the corresponding relation of the IP address of the Proxy parameter modifications mobile devices and the identification information of the PCRF unit, and to this
Two DRA equipment send synchronous vacations response message, so that the 2nd DRA equipment changes the shifting according to the synchronous vacations response message
The corresponding relation of the IP address of dynamic equipment and the identification information of the PCRF unit so that the mobile device is according to the IP address and is somebody's turn to do
The corresponding relation of the identification information of PCRF unit is carried out by a DRA equipment and the 2nd DRA equipment with the PCRF unit
Data transfer.
Wherein, the synchronous vacations request message includes IP address, the IMSI of the mobile device and the route of the mobile device
Act on behalf of Proxy parameters.
Specifically, the 2nd DRA equipment is when the session modification request message that the PCEF units send is received, to this
One DRA equipment sends the synchronous vacations request message, and a DRA equipment is according to route agent Proxy parameters by being somebody's turn to do
IMSI determine to should mobile device PCRF unit, and after the session modification request message is sent to the PCRF unit, root
The mark of IP address and the PCRF unit that the session modification response message sent according to the PCRF unit changes the mobile device is believed
The corresponding relation of breath, wherein, the session modification response message includes the identification information of the PCRF unit.
Illustratively, the IP address change of the mobile device turns to the first IP address, then the PCEF units pass through Gx interfaces to this
2nd DRA equipment send session modification request message, the 2nd DRA equipment according to the session modification request message to this first
DRA equipment sends synchronous vacations message, and the synchronous vacations message includes first IP address, the IMSI and route of the mobile device
Proxy parameters are acted on behalf of, then a DRA equipment is according to the corresponding working method of route agent Proxy parameter determinations, i.e. basis
The IMSI of the mobile device determines corresponding PCRF unit, and sends session modification request message to the PCRF unit, so as to this
PCRF unit sends session modification response message, the session modification according to the session modification request message to a DRA equipment
The identification information of response message including the PCRF unit, then a DRA equipment is by the IP address and the mark of the PCRF unit
The corresponding relation of information is revised as the corresponding relation of the identification information of first IP address and the PCRF unit, and to this second
DRA equipment sends synchronous vacations response message, wherein, the synchronous vacations response message includes the identification information of the PCRF unit,
So that the corresponding relation of the IP address and the identification information of the PCRF unit is revised as first IP address by the 2nd DRA equipment
With the corresponding relation of the identification information of the PCRF unit.
Mode two, a DRA equipment after the session modification request message that the PCEF units send is received, to this
Two DRA equipment send synchronous vacations request message, and change the shifting according to the synchronous vacations request message in the 2nd DRA equipment
After the corresponding relation of the IP address of dynamic equipment and the identification information of the PCRF unit, the synchronization of the 2nd DRA equipment transmission is received
Modification response message, and the IP address of the mobile device and the mark of the PCRF unit are changed according to the synchronous vacations response message
The corresponding relation of information so that the mobile device passes through according to the IP address with the corresponding relation of the identification information of the PCRF unit
First DRA equipment and the 2nd DRA equipment carry out data transmission with the PCRF unit.
Wherein, the synchronous vacations request message includes IP address, the IMSI of the mobile device and the route of the mobile device
Act on behalf of Proxy parameters.
It should be noted that mode one is that the session modification for receiving PCEF units transmission in the 2nd DRA equipment please
In the case of seeking message, the IP address of the DRA apparatus modifications mobile device is right with the identification information of the PCRF unit
The process that should be related to；Mode two is to receive the session modification request message that the PCEF units send in a DRA equipment
In the case of, the IP address of the DRA apparatus modifications mobile device and the corresponding relation of the identification information of the PCRF unit
Process, wherein, the process of the 2nd DRA apparatus modifications corresponding relation is referred to a DRA apparatus modifications in mode one
Process, here is omitted.
Alternatively, when the mobile device terminates session, the PCEF units can be initiated by DRA equipment to the PCRF unit
Session deletion request message, then receive the session deletion request message according to different DRA equipment, and a DRA equipment is deleted
Except the IP address of the mobile device has following two implementations with the corresponding relation of the identification information of the PCRF unit.
Mode one, a DRA equipment receive the synchronization removal request message of the 2nd DRA equipment transmission, according to route
Forwarding Relay parameters delete the corresponding relation of the mobile device and the identification information of the PCRF unit, and to the 2nd DRA equipment
Synchronization removal response message is sent, so that the 2nd DRA equipment deletes the mobile device according to the synchronization removal response message
The corresponding relation of the identification information of IP address and the PCRF unit so that the mobile device by a DRA equipment and this
Two DRA equipment terminate the data transfer with the PCRF unit.
Wherein, the synchronization removal request message includes IP address, IMSI and the routing forwarding Relay ginseng of the mobile device
Number.
Specifically, the 2nd DRA equipment is when the session deletion request message that the PCEF units send is received, to this
One DRA equipment sends the synchronization removal request message, and a DRA equipment is according to the routing forwarding Relay parameter by being somebody's turn to do
IMSI determine to should mobile device PCRF unit, and after the session deletion request message is sent to the PCRF unit, root
It is corresponding with the identification information of the PCRF unit that the session deletion response message sent according to the PCRF unit deletes the mobile device
Relation, wherein, response message is deleted in the session includes the identification information of the PCRF unit.
Mode two, a DRA equipment after the session deletion request message that the PCEF units send is received, to this
Two DRA equipment send synchronization removal request message, and delete the shifting according to the synchronization removal request message in the 2nd DRA equipment
After the corresponding relation of the IP address of dynamic equipment and the identification information of the PCRF unit, the synchronization of the 2nd DRA equipment transmission is received
Response message is deleted, and the IP address of the mobile device and the mark of the PCRF unit are deleted according to the synchronization removal response message
The corresponding relation of information so that the mobile device is terminated and the PCRF unit by a DRA equipment and the 2nd DRA equipment
Data transfer.
Wherein, the synchronization removal request message includes IP address, the IMSI of the mobile device and the route of the mobile device
Forwarding Relay parameters.
It should be noted that mode one is that the session deletion for receiving PCEF units transmission in the 2nd DRA equipment please
In the case of seeking message, a DRA equipment deletes the right of the IP address of the mobile device and the identification information of the PCRF unit
The process that should be related to；Mode two is to receive the session deletion request message that the PCEF units send in a DRA equipment
In the case of, a DRA equipment deletes the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit
Process, wherein, the 2nd DRA equipment deletes the process of the corresponding relation and may be referred to a DRA equipment in aforesaid way one
The process of the corresponding relation is deleted, here is omitted.
In addition, in a DRA equipment and the 2nd DRA equipment when information exchange is carried out, the interactive information can be with
Including the priority of the instruction parameter for indicating the DRA equipment working methods, for example, the priority of the Redirection parameters is
Highest, the priority of the Proxy parameters is taken second place, and the priority of the Relay parameters is minimum, if then above-mentioned redirection query messages are also
During including the Proxy parameters, Redirection parameter determination corresponding work of the 2nd DRA equipment according to highest priority
Mode；If also include Relay parameters in above-mentioned, the DRA equipment of the synchronous vacations request message is received according to priority
The higher corresponding working method of Proxy parameter determinations.
Using said method, the 2nd DRA equipment be stored with mobile device IP address with to should mobile device PCRF
The corresponding relation of the identification information of unit, then a DRA equipment receive AF units transmission mobile device IP address after,
Send to redirect in query messages, and the redirection response message sent from the 2nd DRA equipment to the 2nd DRA equipment and obtain
To should mobile device PCRF unit identification information, set up the IP address of the mobile device and believe with the mark of the PCRF unit
The corresponding relation of breath, so that the mobile device passes through to be somebody's turn to do according to the corresponding relation of the IP address and the identification information of the PCRF unit
First DRA equipment and the 2nd DRA equipment carry out data transmission with the PCRF unit.So, due to a DRA equipment and should
2nd DRA equipment is all stored with the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit, therefore, when
When first DRA equipment is different manufacturers with the 2nd DRA equipment, the mobile device can pass through a DRA equipment and be somebody's turn to do
2nd DRA equipment carries out data transmission with one PCRF unit.
The embodiment of the present invention provides a kind of method of data transfer, as shown in figure 4, the embodiment of the present invention is with a DRA
Equipment receives what the session establishment request message of PCEF units transmission was illustrated, and the method includes：
S401, a DRA equipment receive the session establishment request message that PCEF units send, wherein the session establishment request
Message includes the IP address and IMSI of mobile device.
S402, a DRA equipment according to the MISI of the mobile device determine to should mobile device PCRF unit, and
Set up the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit.
S403, a DRA equipment send the session establishment request message to the PCRF unit.
S404, a DRA equipment receive the session establishment response message that the PCRF unit sends.
S405, a DRA equipment send the session establishment response message to the PCEF units, are set with completing the movement
Standby session establishment.
S406, the 2nd DRA equipment receive the session service request message that AF units send.
Wherein, the session service request message includes the IP address of the mobile device.
Specifically, the mobile device sends session service by AF units after the completion of session establishment to the PCRF unit
Request message, wherein, the session service request message needs to be forwarded by DRA equipment.
If it should be noted that a DRA equipment receives the session service request message that the AF units send, this
One DRA equipment sends the session service request message to the PCRF unit according to the corresponding relation of storage according to the IP address.
S407, the 2nd DRA equipment when it is determined that there is no PCEF units corresponding with the IP address, to a DRA
Equipment sends and redirects query messages.
Wherein, the redirection query messages include the IP address of the mobile device and redirect Redirection parameters.
S408, a DRA equipment are according to the redirection Redirection parameters by the IP address and the corresponding relation
Determine the identification information of the PCRF unit, and the identification information of the PCRF unit is sent to the 2nd DRA equipment.
It should be noted that DRA equipment has four kinds of working methods, including Relay modes, Proxy modes,
Translation modes and Redirection modes, the present invention indicates four kinds of DRA equipment using four kinds of different instruction parameters
Different working methods, including Relay parameters, Proxy parameters, Translation parameters and Redirection parameters, also
It is to say, the redirection Redirection parameters in above-mentioned redirection query messages are used to indicate that a DRA equipment is operated in
Redirection modes, the i.e. IP address in the redirection query messages and the corresponding relation of DRA equipment storage
Be defined as to should transporting apparatus PCRF unit, and send to the 2nd DRA equipment and redirect response message, the redirection rings
Message is answered to include the identification information of the PCRF unit.
S409, the 2nd DRA equipment are set up the IP address of the mobile device and are somebody's turn to do according to the identification information of the PCRF unit
The corresponding relation of the identification information of PCRF unit.
S410, the 2nd DRA equipment send the session service request message according to the corresponding relation to the PCRF unit.
S411, the 2nd DRA equipment receive the session service response message that the PCRF unit sends.
S412, the 2nd DRA equipment send the session service response message to the PCEF units.
Specifically, the PCRF unit formulates corresponding charging policy according to the session service request message, and by the DRA
Equipment to the PCEF units send session service response message, and issuing for the charging policy has been completed.
Further, when the session information of the mobile device changes, the IP address of the such as mobile device becomes
Change, execution step S413 to step S418 is set with the movement completed to storing in a DRA equipment and the 2nd DRA equipment
The modification of standby IP address and the corresponding relation of the identification information of the PCRF unit.
S413, a DRA equipment receive the session modification request message that the PCEF units send.
Wherein, the session modification request message includes the IP address and IMSI of the mobile device.
S414, a DRA equipment to the 2nd DRA equipment sends synchronous vacations request message.
Wherein, the synchronous vacations request message includes the IP address of the mobile device, IMSI and route agent Proxy ginsengs
Number.
S415, the 2nd DRA equipment are determined to should mobile device according to route agent Proxy parameters by IMSI
PCRF unit, and send the session modification request message to the PCRF unit.
S416, the 2nd DRA equipment change the mobile device according to the session modification response message that the PCRF unit sends
IP address and the PCRF unit identification information corresponding relation.
S417, a DRA equipment receive the synchronous vacations response message of the 2nd DRA equipment transmission, and same according to this
Step modification response message changes the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit.
S418, a DRA equipment send the session modification response message to the PCEF units.
It should be noted that step S413 to step S418 is to receive the PCEF units with a DRA equipment to send
The session modification request message illustrate, in being embodied as, the 2nd DRA equipment is likely to receive the session modification
Request message, now, the 2nd DRA equipment can also perform a DRA equipment and perform in step S413 to step S418
Action, will not be described here.
Further, when the mobile device needs to terminate session, execution step S419 to step S424 is completing to this
The IP address of the mobile device stored in the first DRA equipment and the 2nd DRA equipment and the identification information of the PCRF unit
The deletion of corresponding relation.
S419, a DRA equipment receive the session deletion request message that the PCEF units send.
Wherein, the session deletion request message includes the IP address and IMSI of the mobile device.
S420, a DRA equipment to the 2nd DRA equipment sends synchronous vacations request message.
Wherein, the synchronous vacations request message includes IP address, IMSI and the routing forwarding Relay ginseng of the mobile device
Number.
S421, the 2nd DRA equipment are determined to should mobile device according to the routing forwarding Relay parameter by IMSI
PCRF unit, and send session deletion request message to the PCRF unit.
S422, the 2nd DRA equipment delete response message and delete the mobile device according to the session that the PCRF unit sends
IP address and the PCRF unit identification information corresponding relation.
S423, a DRA equipment receive the synchronization removal response message of the 2nd DRA equipment transmission, and same according to this
Step deletes the corresponding relation that response message deletes the IP address of the mobile device and the identification information of the PCRF unit.
The session is deleted response message and is sent to the PCEF units by S424, a DRA equipment.
It should be noted that step S419 to step S424 is to receive the PCEF units with a DRA equipment to send
The session modification request message illustrate, in being embodied as, the 2nd DRA equipment is likely to receive the session modification
Request message, now, the 2nd DRA equipment can also perform a DRA equipment and perform in step S419 to step S424
Action, will not be described here.
So, because a DRA equipment and the 2nd DRA equipment are all set up simultaneously, change and delete the mobile device
IP address and the PCRF unit identification information corresponding relation, therefore, when a DRA equipment and the 2nd DRA equipment
For different manufacturers when, the mobile device can be carried out by a DRA equipment and the 2nd DRA equipment with one PCRF unit
Data transfer.
In addition, for said method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions,
But those skilled in the art should know, the present invention is not limited by described sequence of movement, secondly, art technology
Personnel also should know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not
Must be necessary to the present invention.
The embodiment of the present invention provides a kind of DRA equipment 50, as shown in figure 5, the DRA equipment includes：
Transmitting element 51, for after the IP address of mobile device of AF units transmission is received, to the 2nd DRA equipment
Send and redirect query messages.
Wherein, the redirection query messages include the IP address and redirect Redirection parameters；2nd DRA sets
The standby IP address and the corresponding relation of the identification information of PCRF unit of being stored with.
Receiving unit 52, for the redirection Redirection sent according to the transmitting element 51 in the 2nd DRA equipment
Parameter determines after the PCRF unit that the redirection for receiving the transmission of the 2nd DRA equipment rings by the IP address and the corresponding relation
Answer message.
Wherein, the redirection response message includes the identification information of the PCRF unit.
Processing unit 53, for PCRF unit redirected in response message that basis is received in the receiving unit 52
Identification information set up the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit, so that the movement sets
The standby corresponding relation according to the IP address and the identification information of the PCRF unit by the DRA equipment and the 2nd DRA equipment and
The PCRF unit carries out data transmission.
Illustratively, the 2nd DRA equipment disappears receiving the session establishment request that the PCEF units are sent by Gx interfaces
During breath, IMSI in the session establishment request message determines the PCRF unit of correspondence mobile device, and sets up the movement and set
The corresponding relation of standby IP address and the identification information of the PCRF unit, then the 2nd DRA equipment forwarded by the corresponding relation
The session establishment request message to the PCRF unit, so as to the PCRF unit according to the session establishment request message by this second
DRA equipment to the PCEF units send session establishment response message, complete the foundation of session.Conversate in the mobile device
When, if the 2nd DRA equipment receives the session service request message of AF units transmission, wherein, the session service request message
Including the IP address of mobile device, then the 2nd DRA equipment determines that the PCRF is mono- according to the IP address by above-mentioned corresponding relation
Unit, and the session service request message is forwarded to into the PCRF unit；If the DRA equipment receives the session that the AF units send
Business request information, then the DRA equipment when it is determined that there is no the identification information of PCRF unit corresponding with the IP address, to this
2nd DRA equipment sends and redirects query messages, wherein, the redirection query messages include the IP address and redirection
Redirection parameters, then the 2nd DRA equipment is according to the DRA equipment of redirection Redirection parameter determinations the 2nd
Working method, according to the IP address and the corresponding relation identification information of the PCRF unit is determined, and sends weight to the DRA equipment
Orientation response message, wherein, the redirection response message includes the identification information of the PCRF unit, then the DRA equipment is set up and is somebody's turn to do
The corresponding relation of the IP address of mobile device and the identification information of the PCRF unit, and according to the corresponding relation by the session establishment
Solicited message is sent to the PCRF unit.
By above-mentioned steps, the DRA equipment is believed in the IP address that there is no the mobile device with the mark of the PCRF unit
During the corresponding relation of breath, the DRA equipment sends to the 2nd DRA equipment and redirects query messages, to obtain the PCRF unit
Identification information, and set up the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit so that the movement
Equipment can carry out the transmission of data by the DRA equipment and the 2nd DRA equipment with same PCRF unit.
In addition, the information exchange between the above-mentioned DRA equipment and the 2nd DRA equipment be all by both sides DRA equipment it
Between C links carry out, because the DRA equipment of different manufacturers can also carry out information exchange by the C links, so, keep away
Exempt from using the privately owned interface of DRA equipment.
Alternatively, when the session information of the mobile device changes, the IP address of the such as mobile device changes,
The PCEF units can initiate session modification request message by DRA equipment to the PCRF unit, then connect according to different DRA equipment
The session modification request message is received, the IP address of the DRA apparatus modifications mobile devices and the identification information of the PCRF unit
Corresponding relation have following two implementations.
Mode one, the receiving unit 52 in the 2nd DRA equipment specifically for receiving the session that the PCEF units send
After modification request message, the synchronous vacations request message of the 2nd DRA equipment transmission is received, wherein, the synchronous vacations request disappears
Breath includes the IP address of the mobile device, the international mobile subscriber identity IMSI of the mobile device and route agent Proxy ginseng
Number.
The processing unit 53 specifically for, according to the IP address of the route agent Proxy parameter modifications mobile devices with
The corresponding relation of the identification information of the PCRF unit.
The transmitting element 51 specifically for, to the 2nd DRA equipment send synchronous vacations response message, so as to this second
DRA equipment changes the right of the IP address of the mobile device and the identification information of the PCRF unit according to the synchronous vacations response message
Should be related to so that the mobile device is set with the corresponding relation of the identification information of the PCRF unit according to the IP address by the DRA
Standby and the 2nd DRA equipment carries out data transmission with the PCRF unit.
Specifically, the processing unit 53 is additionally operable to, and is determined to should by the IMSI according to route agent Proxy parameters
The PCRF unit of mobile device, the transmitting element 51 specifically for, send the session modification request message to the PCRF unit, should
Processing unit 53 is additionally operable to, the session modification response message sent according to the PCRF unit change the IP address of the mobile device with
The corresponding relation of the identification information of the PCRF unit, wherein, the session modification response message includes that the mark of the PCRF unit is believed
Breath.
Illustratively, the IP address change of the mobile device turns to the first IP address, then the PCEF units pass through Gx interfaces to this
2nd DRA equipment sends session modification request message, and the 2nd DRA equipment sets according to the session modification request message to the DRA
Preparation send synchronous vacations message, and the synchronous vacations message includes first IP address, the IMSI of the mobile device and route agent
Proxy parameters, then the DRA equipment set according to the movement according to the corresponding working method of route agent Proxy parameter determinations
Standby IMSI determines corresponding PCRF unit, and sends session modification request message to the PCRF unit, so as to the PCRF unit
Session modification response message is sent to the DRA equipment according to the session modification request message, the session modification response message includes
The identification information of the PCRF unit, then the DRA equipment IP address is repaiied with the corresponding relation of the identification information of the PCRF unit
The corresponding relation of first IP address and the identification information of the PCRF unit is changed to, and synchronous repairing is sent to the 2nd DRA equipment
Change response message, wherein, the synchronous vacations response message includes the identification information of the PCRF unit, so as to the 2nd DRA equipment
The corresponding relation of the IP address and the identification information of the PCRF unit is revised as into the mark of first IP address and the PCRF unit
The corresponding relation of knowledge information.
Mode two, the transmitting element 51 are specifically for receiving the session modification request message that the PCEF units send
Afterwards, synchronous vacations request message is sent to the 2nd DRA equipment, wherein, the synchronous vacations request message includes the mobile device
IP address, the IMSI of the mobile device and route agent's Proxy parameters.
The receiving unit 52 according to the synchronous vacations request message in the 2nd DRA equipment specifically for changing the movement
After the corresponding relation of the IP address of equipment and the identification information of the PCRF unit, the synchronization for receiving the transmission of the 2nd DRA equipment is repaiied
Change response message.
The processing unit 53 according to the synchronous vacations response message specifically for changing the IP address of the mobile device and being somebody's turn to do
The corresponding relation of the identification information of PCRF unit so that the mobile device is according to the IP address and the identification information of the PCRF unit
Corresponding relation carried out data transmission with the PCRF unit by the DRA equipment and the 2nd DRA equipment.
It should be noted that mode one is that the session modification for receiving PCEF units transmission in the 2nd DRA equipment please
In the case of seeking message, the IP address of the DRA apparatus modifications mobile devices is corresponding with the identification information of the PCRF unit to close
The process of system；Mode two is, in the case where the DRA equipment receives the session modification request message that the PCEF units send, to be somebody's turn to do
The process of the IP address of the DRA apparatus modifications mobile devices and the corresponding relation of the identification information of the PCRF unit, wherein, this
The process of the two DRA apparatus modifications corresponding relations is referred to the process of the DRA apparatus modifications in mode one, no longer goes to live in the household of one's in-laws on getting married herein
State.
Alternatively, when the mobile device terminates session, the PCEF units can be initiated by DRA equipment to the PCRF unit
Session deletion request message, then receive the session deletion request message according to different DRA equipment, and the DRA equipment is deleted should
The IP address of mobile device has following two implementations with the corresponding relation of the identification information of the PCRF unit.
Mode one, the receiving unit 52 in the 2nd DRA equipment specifically for receiving the session that the PCEF units send
After deletion request message, the synchronization removal request message of the 2nd DRA equipment transmission is received, wherein, the synchronization removal request disappears
Breath includes IP address, IMSI and the routing forwarding Relay parameter of the mobile device.
The processing unit 53 according to the routing forwarding Relay parameter specifically for deleting the mobile device mono- with the PCRF
The corresponding relation of the identification information of unit.
The transmitting element 51 specifically for, to the 2nd DRA equipment send synchronization removal response message, so as to this second
DRA equipment deletes the right of the IP address of the mobile device and the identification information of the PCRF unit according to the synchronization removal response message
Should be related to so that the mobile device terminates the data transfer with the PCRF unit by the DRA equipment and the 2nd DRA equipment.
Specifically, the processing unit 53 is additionally operable to, and is determined to should by the IMSI according to the routing forwarding Relay parameter
The PCRF unit of mobile device, the transmitting element 51 specifically for, send the session deletion request message to the PCRF unit, should
Processing unit 53 is additionally operable to, and deletes the mobile device according to the session deletion response message that the PCRF unit sends mono- with the PCRF
The corresponding relation of the identification information of unit, wherein, response message is deleted in the session includes the identification information of the PCRF unit.
Mode two, the transmitting element 51 are specifically for receiving the session deletion request message that the PCEF units send
Afterwards, synchronization removal request message is sent to the 2nd DRA equipment, wherein, the synchronization removal request message includes the mobile device
IP address, the IMSI of the mobile device and routing forwarding Relay parameter.
The receiving unit 52 according to the synchronization removal request message in the 2nd DRA equipment specifically for deleting the movement
After the corresponding relation of the IP address of equipment and the identification information of the PCRF unit, the synchronization for receiving the transmission of the 2nd DRA equipment is deleted
Except response message.
The processing unit 53 according to the synchronization removal response message specifically for deleting the IP address of the mobile device and being somebody's turn to do
The corresponding relation of the identification information of PCRF unit so that the mobile device terminated by the DRA equipment and the 2nd DRA equipment and
The data transfer of the PCRF unit.
It should be noted that mode one is that the session deletion for receiving PCEF units transmission in the 2nd DRA equipment please
In the case of seeking message, the DRA equipment deletes the corresponding pass of the IP address of the mobile device and the identification information of the PCRF unit
The process of system；Mode two is, in the case where the DRA equipment receives the session deletion request message that the PCEF units send, to be somebody's turn to do
DRA equipment deletes the process of the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit, wherein, this
Two DRA equipment delete the process of the corresponding relation and may be referred to the mistake that the DRA equipment in aforesaid way one deletes the corresponding relation
Journey, here is omitted.
In addition, in the DRA equipment and the 2nd DRA equipment when information exchange is carried out, the interactive information can also include
The priority of the instruction parameter of the DRA equipment working methods is indicated, for example, the priority of the Redirection parameters is highest,
The priority of the Proxy parameters is taken second place, and the priority of the Relay parameters is minimum, if then above-mentioned redirection query messages also include
During the Proxy parameters, Redirection parameter determination corresponding working method of the 2nd DRA equipment according to highest priority；
If also include Relay parameters in above-mentioned synchronous vacations request message, the DRA equipment of the synchronous vacations request message is received
According to the higher corresponding working method of Proxy parameter determinations of priority.
Using above-mentioned DRA equipment, the 2nd DRA equipment be stored with mobile device IP address with to should mobile device
The corresponding relation of the identification information of PCRF unit, then the DRA equipment receiving AF units transmission mobile device IP address
Afterwards, send to the 2nd DRA equipment and redirect in query messages, and the redirection response message sent from the 2nd DRA equipment
Obtain to should mobile device PCRF unit identification information, set up the IP address of the mobile device and the mark of the PCRF unit
The corresponding relation of knowledge information, so that the mobile device leads to according to the corresponding relation of the IP address and the identification information of the PCRF unit
Cross the DRA equipment and the 2nd DRA equipment carries out data transmission with the PCRF unit.So, due to the DRA equipment and this second
DRA equipment is all stored with the corresponding relation of the IP address of the mobile device and the identification information of the PCRF unit, therefore, when this
When DRA equipment is different manufacturers with the 2nd DRA equipment, the mobile device can be by the DRA equipment and the 2nd DRA equipment
Carry out data transmission with one PCRF unit.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (14)
1. a kind of method of data transfer, it is characterised in that include：
IP address of the first Diameter route agents DRA equipment in the mobile device for receiving the transmission of application function AF units
Afterwards, send to the 2nd DRA equipment and redirect query messages, wherein, the redirection query messages include the IP address and weight
Orientation Redirection parameters；The 2nd DRA equipment is stored with and built according to the session establishment request message of PCEF units transmission
The IP address of the vertical mobile device with to should mobile device "Policy and Charging Rules Function PCRF unit mark letter
The corresponding relation of breath；
Closed by the IP address and the correspondence according to the redirection Redirection parameters in the 2nd DRA equipment
After system's determination PCRF unit, the redirection response message that the 2nd DRA equipment sends is received, wherein, the redirection
Response message includes the identification information of the PCRF unit；
The IP address of the mobile device and the corresponding relation of the identification information of the PCRF unit are set up, so that the movement sets
It is standby according to the IP address and the corresponding relation of the identification information of the PCRF unit by a DRA equipment and described the
Two DRA equipment carry out data transmission with the PCRF unit.
2. method according to claim 1, it is characterised in that the IP address for setting up the mobile device with it is described
After the corresponding relation of the identification information of PCRF unit, methods described also includes：
The session modification request message that strategy and charge execution function PCEF units send is received in the 2nd DRA equipment
Afterwards, a DRA equipment receives the synchronous vacations request message that the 2nd DRA equipment sends, wherein, the synchronous vacations
Request message includes IP address, the international mobile subscriber identity IMSI of the mobile device and the route generation of the mobile device
Reason Proxy parameters；
The identification information of the IP address of mobile device and the PCRF unit according to the route agent Proxy parameter modifications
Corresponding relation；
Synchronous vacations response message is sent to the 2nd DRA equipment, so that the 2nd DRA equipment is according to the synchronous vacations
Response message changes the IP address of the mobile device and the corresponding relation of the identification information of the PCRF unit so that the shifting
Dynamic equipment is according to the IP address with the corresponding relation of the identification information of the PCRF unit by a DRA equipment and institute
State the 2nd DRA equipment to carry out data transmission with the PCRF unit.
3. method according to claim 2, it is characterised in that described according to the route agent Proxy parameter modifications institute
The IP address and the corresponding relation of the identification information of the PCRF unit for stating mobile device includes：
According to the PCRF unit that the route agent Proxy parameters pass through the IMSI determination correspondences mobile device, and
Send after the session modification request message to the PCRF unit, disappeared according to the session modification response that the PCRF unit sends
The IP address of the breath modification mobile device and the corresponding relation of the identification information of the PCRF unit, wherein, the session is repaiied
Change identification information of the response message including the PCRF unit.
4. the method according to any one of claims 1 to 3, it is characterised in that in the IP for setting up the mobile device
After address and the corresponding relation of the identification information of the PCRF unit, methods described also includes：
The first DRA equipment after the session modification request message that the PCEF units send is received, to the 2nd DRA
Equipment sends synchronous vacations request message, wherein, the synchronous vacations request message includes IP address, the institute of the mobile device
State the IMSI and route agent's Proxy parameters of mobile device；
The 2nd DRA equipment according to the synchronous vacations request message change the IP address of the mobile device with it is described
After the corresponding relation of the identification information of PCRF unit, the synchronous vacations response message that the 2nd DRA equipment sends is received；
The IP address of the mobile device and the identification information of the PCRF unit are changed according to the synchronous vacations response message
Corresponding relation so that the mobile device leads to according to the corresponding relation of the IP address and the identification information of the PCRF unit
Cross a DRA equipment and the 2nd DRA equipment carries out data transmission with the PCRF unit.
5. method according to claim 4, it is characterised in that the IP address for setting up the mobile device with it is described
After the corresponding relation of the identification information of PCRF unit, methods described also includes：
After the 2nd DRA equipment receives the session deletion request message that the PCEF units send, described second is received
The synchronization removal request message that DRA equipment sends, wherein, the synchronization removal request message includes the IP ground of the mobile device
Location, IMSI and routing forwarding Relay parameter；
Mobile device pass corresponding with the identification information of the PCRF unit is deleted according to the routing forwarding Relay parameter
System；
Synchronization removal response message is sent to the 2nd DRA equipment, so that the 2nd DRA equipment is according to the synchronization removal
Response message deletes the IP address of the mobile device and the corresponding relation of the identification information of the PCRF unit so that the shifting
Dynamic equipment terminates the data transfer with the PCRF unit by a DRA equipment and the 2nd DRA equipment.
6. method according to claim 5, it is characterised in that described that institute is deleted according to the routing forwarding Relay parameter
State mobile device includes with the corresponding relation of the identification information of the PCRF unit：
According to the PCRF unit that the routing forwarding Relay parameter passes through the IMSI determination correspondences mobile device, and
Send after session deletion request message to the PCRF unit, response message is deleted according to the session that the PCRF unit sends and is deleted
Except the mobile device and the corresponding relation of the identification information of the PCRF unit, wherein, response message bag is deleted in the session
Include the identification information of the PCRF unit.
7. method according to claim 6, it is characterised in that the IP address for setting up the mobile device with it is described
After the corresponding relation of the identification information of PCRF unit, methods described also includes：
The first DRA equipment after the session deletion request message that the PCEF units send is received, to the 2nd DRA
Equipment sends synchronization removal request message, wherein, the synchronization removal request message includes IP address, the institute of the mobile device
State the IMSI and routing forwarding Relay parameter of mobile device；
The 2nd DRA equipment according to the synchronization removal request message delete the IP address of the mobile device with it is described
After the corresponding relation of the identification information of PCRF unit, the synchronization removal response message that the 2nd DRA equipment sends is received；
The IP address of the mobile device and the identification information of the PCRF unit are deleted according to the synchronization removal response message
Corresponding relation so that the mobile device is terminated and the PCRF by a DRA equipment and the 2nd DRA equipment
The data transfer of unit.
8. a kind of DRA equipment, it is characterised in that include：
Transmitting element, for after the IP address of mobile device of application function AF units transmission is received, to the 2nd DRA equipment
Send and redirect query messages, wherein, the redirection query messages include the IP address and redirect Redirection ginsengs
Number；The 2nd DRA equipment be stored with according to PCEF units send session establishment request message set up the mobile device
IP address with to should mobile device "Policy and Charging Rules Function PCRF unit identification information corresponding relation；
Receiving unit, for the redirection Redirection parameters sent according to the transmitting element in the 2nd DRA equipment
Determined after the PCRF unit by the IP address and the corresponding relation, receive resetting for the 2nd DRA equipment transmission
To response message, wherein, the response message that redirects includes the identification information of the PCRF unit；
Processing unit, for the mark for redirecting the PCRF unit in response message that basis is received in the receiving unit
Knowledge information sets up the IP address of the mobile device and the corresponding relation of the identification information of the PCRF unit, so as to the movement
Equipment passes through the DRA equipment and described second according to the IP address with the corresponding relation of the identification information of the PCRF unit
DRA equipment carries out data transmission with the PCRF unit.
9. DRA equipment according to claim 8, it is characterised in that receive strategy and charging in the 2nd DRA equipment
After the session modification request message that perform function PCEF unit sends, the receiving unit is specifically for receiving the 2nd DRA
The synchronous vacations request message that equipment sends, wherein, the IP address of the synchronous vacations request message including the mobile device,
The international mobile subscriber identity IMSI and route agent's Proxy parameters of the mobile device；
The processing unit specifically for, according to the route agent Proxy parameter modifications IP address of mobile device with
The corresponding relation of the identification information of the PCRF unit；
The transmitting element to the 2nd DRA equipment specifically for sending synchronous vacations response message, so as to described second
The mark of IP address and the PCRF unit that DRA equipment changes the mobile device according to the synchronous vacations response message is believed
The corresponding relation of breath so that corresponding relation of the mobile device according to the IP address and the identification information of the PCRF unit
Carried out data transmission with the PCRF unit by the DRA equipment and the 2nd DRA equipment.
10. DRA equipment according to claim 9, it is characterised in that the processing unit is specifically for according to the road
By the PCRF unit for acting on behalf of Proxy parameters and determining by the IMSI correspondence mobile device, the transmitting element is specifically used
In, the session modification request message is sent to the PCRF unit, the processing unit is additionally operable to, according to the PCRF unit
The IP address that the session modification response message of transmission changes the mobile device is corresponding with the identification information of the PCRF unit
Relation, wherein, the session modification response message includes the identification information of the PCRF unit.
The 11. DRA equipment according to any one of claim 8 to 10, it is characterised in that the transmitting element specifically for,
After the session modification request message that the PCEF units send is received, sending synchronous vacations to the 2nd DRA equipment please
Seek message, wherein, the IP address of the synchronous vacations request message including the mobile device, the IMSI of the mobile device and
Route agent's Proxy parameters；
The receiving unit according to the synchronous vacations request message in the 2nd DRA equipment specifically for changing the shifting
After the IP address of dynamic equipment and the corresponding relation of the identification information of the PCRF unit, receive what the 2nd DRA equipment sent
Synchronous vacations response message；
The processing unit according to the synchronous vacations response message specifically for changing IP address and the institute of the mobile device
State the corresponding relation of the identification information of PCRF unit so that the mobile device is according to the IP address and the PCRF unit
The corresponding relation of identification information is carried out data transmission by the DRA equipment and the 2nd DRA equipment with the PCRF unit.
12. DRA equipment according to claim 11, it is characterised in that the receiving unit is specifically for described second
DRA equipment is received after the session deletion request message that the PCEF units send, and receives the same of the 2nd DRA equipment transmission
Step deletion request message, wherein, the synchronization removal request message includes that IP address, IMSI and the route of the mobile device turns
Send out Relay parameters；
The processing unit according to the routing forwarding Relay parameter specifically for deleting the mobile device and the PCRF
The corresponding relation of the identification information of unit；
The transmitting element to the 2nd DRA equipment specifically for sending synchronization removal response message, so as to described second
The mark of IP address and the PCRF unit that DRA equipment deletes the mobile device according to the synchronization removal response message is believed
The corresponding relation of breath so that the mobile device terminates mono- with the PCRF by the DRA equipment and the 2nd DRA equipment
The data transfer of unit.
13. DRA equipment according to claim 12, it is characterised in that the processing unit is specifically for according to the road
The PCRF unit of the correspondence mobile device is determined by the IMSI by forwarding Relay parameters, the transmitting element is specifically used
In, the session deletion request message is sent to the PCRF unit, the processing unit is additionally operable to, according to the PCRF unit
The corresponding relation that response message deletes the mobile device and the identification information of the PCRF unit is deleted in the session of transmission, its
In, response message is deleted in the session includes the identification information of the PCRF unit.
14. DRA equipment according to claim 13, it is characterised in that the transmitting element is specifically for receiving
After stating the session deletion request message of PCEF units transmission, synchronization removal request message is sent to the 2nd DRA equipment, its
In, the synchronization removal request message includes IP address, the IMSI of the mobile device and the routing forwarding of the mobile device
Relay parameters；
The receiving unit according to the synchronization removal request message in the 2nd DRA equipment specifically for deleting the shifting
After the IP address of dynamic equipment and the corresponding relation of the identification information of the PCRF unit, receive what the 2nd DRA equipment sent
Synchronization removal response message；
The processing unit according to the synchronization removal response message specifically for deleting IP address and the institute of the mobile device
State the corresponding relation of the identification information of PCRF unit so that the mobile device is set by the DRA equipment and the 2nd DRA
The standby data transfer terminated with the PCRF unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001442.8A CN103731817B (en) | 2014-01-02 | 2014-01-02 | Data transmission method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001442.8A CN103731817B (en) | 2014-01-02 | 2014-01-02 | Data transmission method and equipment |
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| CN103731817A CN103731817A (en) | 2014-04-16 |
| CN103731817B true CN103731817B (en) | 2017-04-12 |
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| CN201410001442.8A Active CN103731817B (en) | 2014-01-02 | 2014-01-02 | Data transmission method and equipment |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050072A (en) * | 2015-08-21 | 2015-11-11 | 中国联合网络通信集团有限公司 | Session binding method and network system |
| CN106506669B (en) * | 2016-11-21 | 2019-12-13 | ***通信集团江苏有限公司 | Method, device and system for processing session information |
| CN106712973B (en) * | 2016-12-19 | 2019-07-09 | 中国联合网络通信集团有限公司 | A kind of method and system of binding session |
| CN109413640B (en) * | 2017-08-18 | 2021-10-08 | ***通信有限公司研究院 | Session information query method, network element and computer storage medium |
| CN110875046A (en) * | 2018-08-31 | 2020-03-10 | 河南广播电视台 | Synchronous transmission system based on national standard DRA and DRA + audio coding |
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| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
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| CN101483826B (en) * | 2008-01-07 | 2012-06-27 | 华为技术有限公司 | Method and apparatus for selecting policy and fee charging rule functional entity |
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| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
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