CN103856983A - Data filtering control processing method and device - Google Patents
Data filtering control processing method and device Download PDFInfo
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- CN103856983A CN103856983A CN201210506707.0A CN201210506707A CN103856983A CN 103856983 A CN103856983 A CN 103856983A CN 201210506707 A CN201210506707 A CN 201210506707A CN 103856983 A CN103856983 A CN 103856983A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
- H04L41/5019—Ensuring fulfilment of SLA
- H04L41/5022—Ensuring fulfilment of SLA by giving priorities, e.g. assigning classes of service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/02—Capturing of monitoring data
- H04L43/026—Capturing of monitoring data using flow identification
Abstract
The invention provides a data filtering control processing method and a device. The method comprises the following steps: a front-end network element receives traffic flow template TFT information from a gateway GPRS support node, wherein the above front-end network element is a network element prior to GGSN when a user sends uplink business data to the GGSN; and the front-end network element carries out filtration control on the uplink business data of the user through a filter installed according to the above TFT information. In the prior art, with the increasing of uplink/downlink data size, burden of the GGSN used as a data filtering point is heavier and heavier. Thus, the burden of the whole core network is increased, and GGSN charging accuracy is also reduced to some extent. By the method provided by the invention, the above problem existing in the prior art is solved. Furthermore, the effect of reducing the burden of the core network and raising GGSN charging accuracy is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data filtering control processing method and device.
Background technology
3rd Generation Partnership Project (3rd Generation Partnership Project, referred to as 3GPP) GPRS (the General Packet Radio Service of standard agreement definition, referred to as GPRS)/Wide band Code Division Multiple Access (Wide(band) code Division Multiple Access, referred to as WCDMA) technology provides and utilized serving GPRS support node (Serving GPRS Supporting Node, referred to as SGSN) and Gateway GPRS Support Node (Gateway GPRS SupportingNode, referred to as GGSN) access high-speed packet data service key technology.Fig. 1 is GPRS/WCDMA network architecture schematic diagram in correlation technique, and as shown in Figure 1, SGSN and GGSN are two Basic Net element devices in GPRS/WCDMA packet domain core network.
3GPP has proposed policy control and charging (Policy and Charging Control in R7 evolution scheme, referred to as PCC) function, specific implementation is exactly former charging rule functions (Charging Rule Function, referred to as CRF) and strategy decision function (the Policy Decision Function of Go, referred to as PDF) merge, a new logic function point is proposed, , policy control and charging rule functions logic entity (Policy and Charging Rules Function, referred to as PCRF), for application layer in grouping system (for the bearing bed of mobile network) business-level provides strategy and charging regulation.Fig. 2 be in correlation technique in GGSN grouping network element each logical functional entity be related to schematic diagram, as shown in Figure 2, gateway (the GateWay corresponding with above-mentioned PCRF, referred to as GW) provide or Integrated Strategy and charge execution function logic entity (Policy and Control Enforcement Function, referred to as PCEF), the PCC rule issuing according to PCEF is carried out policy control and the charging control of business.
In correlation technique, the strategy that PCRF is dynamically handed down to GGSN has a variety of, wherein, IP filter (the Packet Filter that PCRF issues, referred to as PF) node control strategy is exactly one wherein: user MS_A adheres to and is activated on SGSN, send activation request to GGSN by SGSN, during this time in GGSN integrated PCEF to the control of PCRF request strategy, PCRF issues PF node control strategy, GGSN installs relevance filtering device, by GGSN, user's uplink and downlink data is filtered to control afterwards.Activate with the flow process of upgrading and describe respectively for user respectively below.
Fig. 3 is the flow chart that carries out packet switching (Packet Switch, referred to as PS) service activation request when user is linked into GGSN in correlation technique, and as shown in Figure 3, this flow process comprises the steps:
Step S302, user initiates context activation request to SGSN;
Step S304, SGSN sends context to GGSN and sets up request;
Step S306, PCEF integrated in GGSN represents to PCRF request strategy control (using in the drawings CCR(INITIAL));
Step S308, PCRF issues PF node control strategy, GGSN installs relevance filtering device (using in the drawings CCA(INITIAL) and represents);
Step S310, GGSN returns to context to SGSN and sets up response;
Step S312, SGSN sends context activation response message to user;
Step S314, GGSN filters control to user's uplink and downlink data.
Fig. 4 is the flow chart that carries out packet switching PS business update request when user is linked into GGSN in correlation technique, and as shown in Figure 4, this flow process comprises the steps:
Step S402, user initiates updating context request to SGSN;
Step S404, SGSN sends updating context request to GGSN;
Step S406, PCEF integrated in GGSN is to the control of PCRF request strategy;
Step S408, PCRF issues PF node control strategy, and GGSN installs relevance filtering device;
Step S410, GGSN returns to updating context response to SGSN;
Step S412, SGSN sends updating context response message to user;
Step S414, GGSN filters control to user's uplink and downlink data.
By said method, utilize in GGSN integrated PCEF to solve PCRF and issue PF node control strategy and carry out uplink and downlink data filtering problem.But the networking mode of practical application is at present generally the corresponding GGSN of many SGSN, along with the business of a large amount of uses user uploads to(for) network, actual measurement uplink and downlink data traffic is than gradually becoming 2:4 from 1:4.Therefore, along with the increase of uplink and downlink data volume, GGSN is also increasing as the burden of data filtering node, not only increased the load of whole core net, and the accuracy of GGSN charging to a certain extent also can reduce.
Summary of the invention
The invention provides a kind of data filtering control processing method and device, at least to solve the increase of prior art along with uplink and downlink data volume, GGSN is also increasing as the burden of data filtering node, not only increase the load of whole core net, and the accuracy of the GGSN charging to a certain extent problem that also can reduce.
According to an aspect of the present invention, a kind of data filtering control processing method is provided, comprise: front end network element receives the traffic flow template TFT information from Gateway GPRS Support Node GGSN, wherein, described front end network element network element before described GGSN when to be user send uplink business data to described GGSN; Described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum.
Preferably, described front end network element one of at least receives the described TFT information from described GGSN in the following manner: described front end network element receives the mode that accesses the activation response message of described GGSN from the user of described GGSN, wherein, in described activation response message, carry described TFT information; Described front end network element receives the mode that accesses the renewal response message of described GGSN from the user of described GGSN, wherein, carries described TFT information in described renewal response message.
Preferably, described front end network element comprise following one of at least: serving GPRS support node SGSN, radio network controller (RNC).
According to a further aspect in the invention, provide a kind of data filtering control processing method, having comprised: Gateway GPRS Support Node GGSN determines traffic flow template TFT information; The described TFT information of determining is sent to front end network element by described GGSN, wherein, described front end network element is the network element before described GGSN when to be user send uplink business data to described GGSN, and described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum.
Preferably, described GGSN determines that described TFT information comprises: described GGSN receives IP filter PF node control strategy; Described GGSN determines described TFT information according to the described PF node control strategy receiving.
Preferably, described GGSN one of at least sends to described front end network element by the described TFT information of determining in the following manner: described GGSN sends user and access the mode of the activation response message of described GGSN to described front end network element, wherein, in described activation response message, carry described TFT information; The mode that described GGSN accesses the renewal response message of described GGSN to described front end network element transmission user, wherein, carries described TFT information in described renewal response message.
Preferably, described front end network element comprise following one of at least: serving GPRS support node SGSN, radio network controller (RNC).
According to also one side of the present invention, a kind of data filtering control processing unit is provided, comprise: receiver module, receive the traffic flow template TFT information from Gateway GPRS Support Node GGSN for front end network element, wherein, described front end network element network element before described GGSN when to be user send uplink business data to described GGSN; Filtering module, filters control by the filter of installing according to described TFT information to user uplink business datum for described front end network element.
According to another aspect of the invention, provide a kind of data filtering control processing unit, having comprised: determination module, determine traffic flow template TFT information for Gateway GPRS Support Node GGSN; Sending module, for described GGSN, the described TFT information of determining is sent to front end network element, wherein, described front end network element is the network element before described GGSN when to be user send uplink business data to described GGSN, and described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum.
Preferably, described determination module comprises: receiving element, receives IP filter PF node control strategy for described GGSN; Determining unit, determines described TFT information for described GGSN according to the described PF node control strategy receiving.
By the present invention, adopt front end network element to receive the traffic flow template TFT information from Gateway GPRS Support Node GGSN, wherein, described front end network element is user's network element before described GGSN while sending uplink business data to described GGSN; Described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum, solve the increase of prior art along with uplink and downlink data volume, GGSN is also increasing as the burden of data filtering node, not only increase the load of whole core net, and the accuracy of the GGSN charging to a certain extent problem that also can reduce, and then reached reduction core net load, improve the effect of the accuracy of GGSN charging.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is GPRS/WCDMA network architecture schematic diagram in correlation technique;
Fig. 2 be in correlation technique in GGSN grouping network element each logical functional entity be related to schematic diagram;
Fig. 3 is the flow chart that carries out packet switching PS service activation request when user is linked into GGSN in correlation technique;
Fig. 4 is the flow chart that carries out packet switching PS business update request when user is linked into GGSN in correlation technique;
Fig. 5 is according to the flow chart one of the data filtering control processing method of the embodiment of the present invention;
Fig. 6 is according to the flowchart 2 of the data filtering control processing method of the embodiment of the present invention;
Fig. 7 is according to the structured flowchart one of the data filtering control processing unit of the embodiment of the present invention;
Fig. 8 is according to the structured flowchart two of the data filtering control processing unit of the embodiment of the present invention;
Fig. 9 is according to the preferred structure block diagram of determination module 82 in the data filtering control processing unit of the embodiment of the present invention;
Figure 10 is the flow chart that is linked into GGSN and carries out activation request according to the user of the embodiment of the present invention;
Figure 11 is the flow chart that is linked into GGSN and carries out update request according to the user of the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
A kind of data filtering control processing method is provided in the present embodiment, and Fig. 5 is that as shown in Figure 5, this flow process comprises the steps: according to the flow chart one of the data filtering control processing method of the embodiment of the present invention
Step S502, front end network element receives the traffic flow template TFT information from Gateway GPRS Support Node GGSN, wherein, this front end network element is the network element before this GGSN when to be user send uplink business data to GGSN, for example, this front end network element can be for below one of at least: serving GPRS support node SGSN, radio network controller (RNC);
Step S504, front end network element filters control by the filter of installing according to above-mentioned TFT information to user uplink business datum.
Pass through above-mentioned steps, front end network element receives the TFT information from GGSN, according to this TFT information, user uplink business datum is filtered to control, with respect to being only responsible for up and downlink service data by GGSN in prior art, the part work of GGSN has been carried out effectively sharing, not only solve the problem that the load of the whole core net that uplink and downlink data volumes causes greatly increases the weight of, and, just a large amount of invalid upstream datas are filtered at front end network element, improved to a certain extent the accuracy of GGSN charging.
Front end network element receives the mode of above-mentioned TFT information can be multiple, for example, in order to reduce the amendment to existing protocol as far as possible, and reduce unnecessary expenditures as far as possible, can receive above-mentioned TFT information by receiving the mode of existing message, for example, front end network element can be by receiving the mode that accesses the activation response message of this GGSN from the user of GGSN, wherein, in this activation response message, carry above-mentioned TFT information; Again for example, this front end network element receives the mode that accesses the renewal response message of this GGSN from the user of GGSN, wherein, carries above-mentioned TFT information in this renewal response message.Can certainly make front end network element can learn above-mentioned TFT information by the message that increases other, not describe in detail at this.
A kind of data filtering control processing method is also provided in the present embodiment, and Fig. 6 is that as shown in Figure 6, this flow process comprises the steps: according to the flowchart 2 of the data filtering control processing method of the embodiment of the present invention
Step S602, Gateway GPRS Support Node GGSN determines traffic flow template TFT information;
Step S604, the above-mentioned TFT information of determining is sent to front end network element by this GGSN, wherein, above-mentioned front end network element is the network element before this GGSN when to be user send uplink business data to GGSN, this front end network element filters control by the filter of installing according to above-mentioned TFT information to user uplink business datum, for example, above-mentioned front end network element also can be for below one of at least: serving GPRS support node SGSN, radio network controller (RNC).
Preferably, GGSN determines that above-mentioned TFT information can adopt multiple processing mode, and for example, GGSN receives IP filter PF node control strategy; Because above-mentioned PF node control strategy causes the TFT information of SGSN and GGSN inconsistent, GGSN determines TFT information according to the PF node control strategy receiving, make SGSN consistent with the TFT Information preservation of GGSN, GGSN retains original downlink data filtering function, and SGSN shares upstream data filtering function, both keep unified to the filtration of data, have effectively realized the network optimization.
GGSN sends to the mode of front end network element also can be multiple the above-mentioned TFT information of determining, preferably, GGSN is sent user and accessed the mode of the activation response message of GGSN by forward end network element, wherein, carry above-mentioned TFT information in this activation response message; The mode that GGSN accesses the renewal response message of GGSN by forward end network element transmission user, wherein, carries above-mentioned TFT information in this renewal response message.By adopting the processing mode of above-mentioned existing message, can reduce equally the amendment to existing protocol, and there is the benefit of saving system resource.
A kind of data filtering control processing unit is also provided in the present embodiment, and this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.
Fig. 7 is according to the structured flowchart one of the data filtering control processing unit of the embodiment of the present invention, and as shown in Figure 7, this device comprises receiver module 72 and filtering module 74, below this device is described.
Receiver module 72, receives from the traffic flow template TFT information of Gateway GPRS Support Node GGSN for front end network element, and wherein, above-mentioned front end network element is user's network element before this GGSN while sending uplink business data to GGSN;
Filtering module 74, is connected to above-mentioned receiver module 72, by the filter of installing according to above-mentioned TFT information, user uplink business datum is filtered to control for front end network element.
Fig. 8 is according to the structured flowchart two of the data filtering control processing unit of the embodiment of the present invention, and as shown in Figure 8, this device comprises determination module 82 and sending module 84, below this device is described.
Determination module 82, determines traffic flow template TFT information for Gateway GPRS Support Node GGSN;
Sending module 84, be connected to above-mentioned determination module 82, for GGSN, the above-mentioned TFT information of determining is sent to front end network element, wherein, above-mentioned front end network element is the network element before GGSN when to be user send uplink business data to described GGSN, and this front end network element filters control by the filter of installing according to above-mentioned TFT information to user uplink business datum.
Fig. 9 is that as shown in Figure 9, this determination module 82 comprises receiving element 92 and determining unit 94, below this determination module 82 is described according to the preferred structure block diagram of determination module 82 in the data filtering control processing unit of the embodiment of the present invention.
Receiving element 92, receives IP filter PF node control strategy for GGSN;
Determining unit 94, is connected to above-mentioned receiving element 92, determines TFT information for GGSN according to the above-mentioned PF node control strategy receiving.
Because GGSN does not carry traffic flow template (Traffic Flow Template, referred to as TFT) to SGSN in activating or upgrading response message, just cause business uplink message not filter at front end network element.Thereby, because data filtering node is at GGSN, so just cause having between RNC-SGSN-GGSN the transmission of a large amount of invalid datas, increase the load of whole core net; In addition, a large amount of invalid upstream datas filter, and have reduced the accuracy of GGSN charging, finally may affect user's disbursement.Make in the present embodiment forward direction network element SGSN(or radio network controller (the Radio Network Controller of GGSN, referred to as RNC)) there is upstream data filtering function, thus solve excessive, the inaccurate problem of charge on traffic of overall data flow load of core net.More preferably, agreement, in describing activation, upgrading response message, increases the TFT information after consulting.
Above-described embodiment and preferred implementation are applicable to allly cause SGSN and the inconsistent scene of GGSN information because ext nal network element issues PF policy control.The modifying point of agreement only relates to activating, upgrade in response message, increases the TFT cell (information elements, referred to as IE) after consulting.Carry out Function Extension by SGSN inside afterwards, support identification TFT information, and support upstream data filtering function.
By activating, upgrade response message, by the TFT information notification SGSN after consulting, make the TFT Information preservation of GGSN and SGSN consistent by GGSN.GGSN retains original downlink data filtering function so, and SGSN can share upstream data filtering function.Like this, can greatly reduce the message treating capacity of GGSN, the charge on traffic that also can avoid the data message being filtered to bring, and then realize the network optimization.
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
Figure 10 is the flow chart that is linked into GGSN and carries out activation request according to the user of the embodiment of the present invention, as shown in figure 10, in this activation process, relates to PCRF and issues PF control strategy, and the consistent process of TFT Information preservation of GGSN and SGSN, this flow process comprises the steps:
Step S1002, user initiates context activation request to SGSN;
Step S1004, SGSN sends context to GGSN and sets up request;
Step S1006, PCEF integrated in GGSN is to the control of PCRF request strategy;
Step S1008, PCRF issues PF node control strategy;
Step S1010, GGSN is according to the PF policy installation relevance filtering device issuing;
Step S1012, GGSN returns to context to SGSN and sets up response, wherein carries TFT cell;
Step S1014, SGSN identification TFT cell, installs relevance filtering device;
Step S1016, SGSN sends context activation response message to user;
Step S1018a, SGSN filters control to user uplink data;
Step S1018b, GGSN filters control to user's downlink data.
Figure 11 is the flow chart that is linked into GGSN and carries out update request according to the user of the embodiment of the present invention, as shown in figure 11, comprises the steps:
Step S1102, user initiates updating context request to SGSN;
Step S1104, SGSN sends updating context request to GGSN;
Step S1106, PCEF integrated in GGSN is to the control of PCRF request strategy;
Step S1108, PCRF issues PF node control strategy;
Step S1110, GGSN is according to the PF policy installation relevance filtering device issuing;
Step S1112, GGSN returns to updating context response to SGSN, wherein carries TFT cell;
Step S1114, SGSN identification TFT cell, installs relevance filtering device;
Step S1116, SGSN sends updating context response message to user;
Step S1118a, SGSN filters control to user uplink data;
Step S1118b, GGSN filters control to user's downlink data.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a data filtering control processing method, is characterized in that, comprising:
Front end network element receives from the traffic flow template TFT information of Gateway GPRS Support Node GGSN, and wherein, described front end network element is user's network element before described GGSN while sending uplink business data to described GGSN;
Described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum.
2. method according to claim 1, is characterized in that, described front end network element one of at least receives the described TFT information from described GGSN in the following manner:
Described front end network element receives the mode that accesses the activation response message of described GGSN from the user of described GGSN, wherein, carries described TFT information in described activation response message;
Described front end network element receives the mode that accesses the renewal response message of described GGSN from the user of described GGSN, wherein, carries described TFT information in described renewal response message.
3. method according to claim 1 and 2, is characterized in that, described front end network element comprise following one of at least:
Serving GPRS support node SGSN, radio network controller (RNC).
4. a data filtering control processing method, is characterized in that, comprising:
Gateway GPRS Support Node GGSN determines traffic flow template TFT information;
The described TFT information of determining is sent to front end network element by described GGSN, wherein, described front end network element is the network element before described GGSN when to be user send uplink business data to described GGSN, and described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum.
5. method according to claim 4, is characterized in that, described GGSN determines that described TFT information comprises:
Described GGSN receives IP filter PF node control strategy;
Described GGSN determines described TFT information according to the described PF node control strategy receiving.
6. method according to claim 4, is characterized in that, described GGSN one of at least sends to described front end network element by the described TFT information of determining in the following manner:
The mode that described GGSN accesses the activation response message of described GGSN to described front end network element transmission user, wherein, carries described TFT information in described activation response message;
The mode that described GGSN accesses the renewal response message of described GGSN to described front end network element transmission user, wherein, carries described TFT information in described renewal response message.
7. according to the method described in any one in claim 4 to 6, it is characterized in that, described front end network element comprise following one of at least:
Serving GPRS support node SGSN, radio network controller (RNC).
8. a data filtering control processing unit, is characterized in that, comprising:
Receiver module, receives from the traffic flow template TFT information of Gateway GPRS Support Node GGSN for front end network element, and wherein, described front end network element is user's network element before described GGSN while sending uplink business data to described GGSN;
Filtering module, filters control by the filter of installing according to described TFT information to user uplink business datum for described front end network element.
9. a data filtering control processing unit, is characterized in that, comprising:
Determination module, determines traffic flow template TFT information for Gateway GPRS Support Node GGSN;
Sending module, for described GGSN, the described TFT information of determining is sent to front end network element, wherein, described front end network element is the network element before described GGSN when to be user send uplink business data to described GGSN, and described front end network element filters control by the filter of installing according to described TFT information to user uplink business datum.
10. device according to claim 9, is characterized in that, described determination module comprises:
Receiving element, receives IP filter PF node control strategy for described GGSN;
Determining unit, determines described TFT information for described GGSN according to the described PF node control strategy receiving.
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