CN102726115B - Filter processing method based on Gx interface, and PGW and PCRF - Google Patents
Filter processing method based on Gx interface, and PGW and PCRF Download PDFInfo
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- CN102726115B CN102726115B CN201180003175.2A CN201180003175A CN102726115B CN 102726115 B CN102726115 B CN 102726115B CN 201180003175 A CN201180003175 A CN 201180003175A CN 102726115 B CN102726115 B CN 102726115B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
Embodiments of the present invention relate to a filter processing method based on a Gx interface, and PGW (packet data network gateway) and PCRF (policy and charging rules function). The PGW receives a building PDP (packet data protocol) context request message in a first TFT (traffic flow template) of business containing a request from a UE (user equipment) sent by an SGSN (service GPRS supporting node), sends the first TFT and corresponding resource identification information, so that the PCRF can, according to the first TFT, assign a first PCC (policy and charging control) rule to the business requested by the UE, and associates the resource identification information with the first PCC rule. As a result, on the EPC Gx interface in subsequent processes in the prior art, a problem that the PGW cannot match the filters requested by the UE with the filters issued by the PCFT due to inconsistency in number and / or content between filters issued through the PCC rule and the filters created by the UE through a second PDP context activation process request on the EPC Gx interface can be prevented.
Description
Technical field
The embodiment of the present invention relates to the communication technology, relate in particular to a kind of filter (Filter) processing method and grouped data network gateway (Packet Data Network Gateway based on Gx interface, abbreviation PGW), "Policy and Charging Rules Function entity (Policy and Charging Rules Function is called for short PCRF).
Background technology
At network in the process of broadband, mobile development, third generation partner program (3rd Generation Partnership Program, abbreviation 3GPP) being organized in mobile core network has proposed System Architecture Evolution (System Architecture Evolution, abbreviation SAE) scheme is evolution block core net (Evolved Packet Core is called for short EPC).At EPC and general packet radio service (General Packet Radio Service, abbreviation GPRS) under the scene of network interworking, SGSN can directly be connected to grouped data network gateway (Packet Data Network Gateway by Gn/Gp interface, be called for short PGW), Gx (being EPC Gx) interface and "Policy and Charging Rules Function entity (Policy and Charging Rules Function is called for short PCRF) by PGW at the unified use of Gx interface EPC.
Yet, on EPC Gx interface, if subscriber equipment (User Equipment, be called for short UE) by secondary packet data protocol (Packet Data Protocol, abbreviation PDP) context active flow request creates filter (Filter) and PCRF control (Policy and Charging Control by strategy and charging, abbreviation PCC) filter that rule issues is inconsistent in quantity and/or content, PGW cannot issue the filter of UE request filter with PCRF mates, make in follow-up process, may occur that PGW cannot accurately carry out corresponding renewal operation (such as retouching operation or deletion action etc.) to UE by the secondary PDP Context filter that more new technological process is asked.
Summary of the invention
The embodiment of the present invention provides a kind of filter process method and PGW, PCRF based on Gx interface, in order to solve in prior art on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
Provide a kind of filter process method based on Gx interface on the one hand, having comprised:
PGW receives that SGSN sends sets up PDP Context request message, a described TFT who sets up the business that comprises UE request in PDP Context request message;
Described PGW is the resource identification information corresponding to traffic assignments of described UE request;
Described PGW sends a described TFT and described resource identification information to PCRF, so that described PCRF is traffic assignments the one PCC rule of described UE request according to a described TFT, and associated described resource identification information and a described PCC rule;
Described PGW receives the described PCC rule that described PCRF sends.
A kind of filter process method based on Gx interface is provided on the other hand, has comprised:
PCRF receives a TFT and the corresponding resource identification information that PGW sends, described resource identification information be described PGW receive that SGSN sends set up PDP Context request message after, for the traffic assignments of described UE request, a described TFT who sets up the business that comprises UE request in PDP Context request message;
Described PCRF is traffic assignments the one PCC rule of described UE request according to a described TFT, and associated described resource identification information and a described PCC rule;
Described PCRF sends a described PCC rule to described PGW.
A kind of PGW is provided on the other hand, has comprised:
Request unit, sets up PDP Context request message, a described TFT who sets up the business that comprises UE request in PDP Context request message for what receive that SGSN sends;
Allocation units, are used to resource identification information described in the traffic assignments of described UE request.
Processing unit, for send a described TFT and corresponding resource identification information to PCRF, so that described PCRF is traffic assignments the one PCC rule of described UE request according to a described TFT, and associated described resource identification information and a described PCC rule;
Receiving element, the described PCC rule sending for receiving described PCRF.
A kind of PCRF is provided on the other hand, has comprised:
Receiving element, the TFT and the corresponding resource identification information that for receiving PGW, send, described resource identification information be described PGW receive that SGSN sends set up PDP Context request message after, for the traffic assignments of described UE request, a described TFT who sets up the business that comprises UE request in PDP Context request message;
Processing unit, for according to a described TFT being traffic assignments the one PCC rule of described UE request, and associated described resource identification information and a described PCC rule;
Transmitting element, for sending a described PCC rule to described PGW.
As shown from the above technical solution, the embodiment of the present invention by PGW, receive the business that comprises UE request that SGSN sends a TFT set up PDP Context request message, and send an above-mentioned TFT and corresponding resource identification information to PCRF, making PCRF can be traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule, can avoid in prior art in follow-up flow process, on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the filter process method based on Gx interface that Fig. 1 provides for one embodiment of the invention;
The schematic flow sheet of the filter process method based on Gx interface that Fig. 2 provides for another embodiment of the present invention;
The schematic flow sheet of the filter process method based on Gx interface that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the PGW that Fig. 4 provides for another embodiment of the present invention;
The structural representation of the PCRF that Fig. 5 provides for another embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The schematic flow sheet of the filter process method based on Gx interface that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, the filter process method based on Gx interface of the present embodiment can comprise:
101, PGW receives that SGSN sends sets up PDP Context request message, above-mentioned the first traffic flow template (Traffic Flow Template is called for short TFT) of setting up the business that comprises UE request in PDP Context request message;
102, above-mentioned PGW is the above-mentioned resource identification information of traffic assignments of above-mentioned UE request;
For example: above-mentioned PGW can be resource identification information of traffic assignments of above-mentioned UE request, for example: by resource identification (Resource-ID) property value, (Attribute Value Pair is called for short AVP) carried to resource identification information; Again for example: the TFT-ID AVP by Packet-Filter-Information AVP internal extended carries resource identification information.
Again for example: each filter corresponding to business that above-mentioned PGW can also be respectively above-mentioned UE request distributes a resource identification information, for example: by IP filter, identify (Packet-Filter-ID) AVP and carry resource identification information.
103, above-mentioned PGW sends an above-mentioned TFT and corresponding resource identification information to PCRF, so that above-mentioned PCRF is traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule;
104, above-mentioned PGW receives the above-mentioned PCC rule that above-mentioned PCRF sends.
The present embodiment passes through associated correlated resources identification information and a TFT by PGW, make it possible to correlated resources identification information and PCC rule, make PGW by the secondary PDP Context filter that more new technological process is asked, can accurately carry out corresponding renewal operation (such as retouching operation or deletion action etc.) to UE.
Alternatively, after 103, PGW can also further receive the renewal PDP Context request message that SGSN sends, and comprises the operation indication information that an above-mentioned TFT is upgraded in UE request in above-mentioned renewal PDP Context request message; Then, above-mentioned PGW sends the 2nd TFT and the above-mentioned resource identification information corresponding with an above-mentioned TFT to PCRF, so that above-mentioned PCRF is that the business that above-mentioned UE asks generates corresponding PCC Policy Updates operation according to above-mentioned the 2nd TFT and a PCC rule corresponding to above-mentioned resource identification information, above-mentioned the 2nd TFT is that above-mentioned PGW is according to the 2nd TFT of an above-mentioned TFT and the acquisition of aforesaid operations indication information; Finally, above-mentioned PGW receives the above-mentioned PCC Policy Updates operation that above-mentioned PCRF sends, and generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
Alternatively, after 103, PGW can also further receive the deletion PDP Context request message that SGSN sends, and comprises the deletion indication information that an above-mentioned TFT is deleted in UE request in above-mentioned deletion PDP Context request message; Then, above-mentioned PGW sends the 3rd TFT and the above-mentioned resource identification information corresponding with an above-mentioned TFT to PCRF, so that above-mentioned PCRF is that the business that above-mentioned UE asks generates corresponding PCC redundant rule elimination operation according to above-mentioned the 3rd TFT and a PCC rule corresponding to above-mentioned resource identification information, above-mentioned the 3rd TFT is that above-mentioned PGW is according to the 3rd TFT of an above-mentioned TFT and the acquisition of above-mentioned deletion indication information; Finally, above-mentioned PGW receives the above-mentioned PCC redundant rule elimination operation that above-mentioned PCRF sends, and deletes an above-mentioned PCC rule according to this PCC redundant rule elimination operation.
In the present embodiment, by PGW, receive the business that comprises UE request that SGSN sends a TFT set up PDP Context request message, and send an above-mentioned TFT and corresponding resource identification information to PCRF, making PCRF can be traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule, can avoid in prior art in follow-up flow process, on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
The schematic flow sheet of the filter process method based on Gx interface that Fig. 2 provides for one embodiment of the invention, as shown in Figure 2, the filter process method based on Gx interface of the present embodiment can comprise:
201, PCRF receives a TFT and the corresponding resource identification information that PGW sends, above-mentioned resource identification information be above-mentioned PGW receive that SGSN sends set up PDP Context request message after, for the traffic assignments of above-mentioned UE request, an above-mentioned TFT who sets up the business that comprises UE request in PDP Context request message;
202, above-mentioned PCRF is traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule;
203, above-mentioned PCRF sends an above-mentioned PCC rule to above-mentioned PGW.
The present embodiment passes through associated correlated resources identification information and a TFT by PGW, make it possible to correlated resources identification information and PCC rule, make PGW by the secondary PDP Context filter that more new technological process is asked, can accurately carry out corresponding renewal operation (such as retouching operation or deletion action etc.) to UE.
Alternatively, after 203, PCRF can also further receive the 2nd TFT of above-mentioned PGW transmission and the above-mentioned resource identification information corresponding with an above-mentioned TFT, above-mentioned the 2nd TFT is after above-mentioned PGW receives the renewal PDP Context request message of above-mentioned SGSN transmission, according to the operation indication information of an above-mentioned TFT and the above-mentioned TFT of renewal, obtain, in above-mentioned renewal PDP Context request message, comprise the operation indication information that an above-mentioned TFT is upgraded in UE request; Then, above-mentioned PCRF is that the business that above-mentioned UE asks generates corresponding PCC Policy Updates operation according to above-mentioned the 2nd TFT and a PCC rule corresponding to above-mentioned resource identification information; Finally, above-mentioned PCRF sends above-mentioned PCC Policy Updates operation to above-mentioned PGW, so that above-mentioned PGW generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
Alternatively, after 203, PCRF can also further receive the 3rd TFT of above-mentioned PGW transmission and the above-mentioned resource identification information corresponding with an above-mentioned TFT, above-mentioned the 3rd TFT is after above-mentioned PGW receives the deletion PDP Context request message of above-mentioned SGSN transmission, the 3rd TFT obtaining according to the deletion indication information of an above-mentioned TFT and the above-mentioned TFT of deletion, comprises the deletion indication information that an above-mentioned TFT is deleted in UE request in above-mentioned deletion PDP Context request message; Then, above-mentioned PCRF is that the business that above-mentioned UE asks generates corresponding PCC redundant rule elimination operation according to above-mentioned the 3rd TFT and a PCC rule corresponding to above-mentioned resource identification information; Finally, above-mentioned PCRF sends above-mentioned PCC redundant rule elimination operation to above-mentioned PGW, so that above-mentioned PGW deletes an above-mentioned PCC rule according to this PCC redundant rule elimination operation.
In the present embodiment, by PCRF, receive a TFT and the corresponding resource identification information that PGW sends, making PCRF can be traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule, can avoid in prior art in follow-up flow process, on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
For the method that the embodiment of the present invention is provided is clearer, will by SGSN, initiate secondary PDP context activation, renewal and deexcitation flow process as an example with UE below.
The schematic flow sheet of the filter process method based on Gx interface that Fig. 3 provides for another embodiment of the present invention, embodiment is that UE initiates.As shown in Figure 3, the filter process method based on Gx interface of the present embodiment can comprise:
301, UE sends and activates PDP Context request (Activate PDP Context Request) message to SGSN, comprises a TFT of the business of UE request in above-mentioned activation PDP Context request message;
302, SGSN sends and sets up PDP Context request (Create PDP Context Request) message to PGW, an above-mentioned TFT who sets up the business that comprises UE request in PDP Context request message;
303, PGW is the traffic assignments resource identification information of UE request, and associated above-mentioned resource identification information and an above-mentioned TFT;
304, PGW sends credit to PCRF and controls request renewal (Credit-Control-Request-Update is called for short CCR-U) message, and above-mentioned credit is controlled in request updating message and comprised an above-mentioned TFT and corresponding resource identification information;
Alternatively, in 303, PGW can be resource identification information of traffic assignments of above-mentioned UE request; Correspondingly, PGW can send a TFT and corresponding resource identification information to PCRF by respective extension CCR-U message in 304.
For example: PGW can increase by two AVP in CCR-U message, in order to carry an above-mentioned TFT and corresponding resource identification information, Resource-TFT AVP carries a TFT; Resource-IDAVP carries resource identification information.
Again for example: PGW can also increase a value in the Packet-Filter-Operation AVP in CCR-U message, in order to carry TFT operation, and in Packet-Filter-Information AVP, increase an AVP, in order to carry resource identification information, a TFT who carries corresponding to the Packet-Filter-Content AVP in this CCR-U message, TFT-ID AVP carries resource identification information.
Alternatively, in 303, each filter corresponding to business that PGW can also be respectively above-mentioned UE request distributes a resource identification information; Correspondingly, PGW can send a TFT and the resource identification information corresponding with each filter to PCRF by respective extension CCR-U message in 304.
For example: PGW can increase a value in the Packet-Filter-Operation AVP in CCR-U message, in order to carry TFT operation, and in the Packet-Filter-Information AVP in CCR-U message, increase an AVP, in order to carry resource identification information, a TFT who carries corresponding to the Packet-Filter-Content AVP in this CCR-U message, IP filter sign (Packet-Filter-ID) AVP carries resource identification information.
305, PCRF is traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule;
306, PCRF sends Credit Control Answer (Credit-Control-Answer-Update is called for short CCA-U) message to PGW, comprises an above-mentioned PCC rule in above-mentioned Credit Control Answer message;
307, PGW preserves an above-mentioned PCC rule, and sends and set up PDP Context response (Create PDP Context Response) message to SGSN;
After this, UE initiates other parts of secondary PDP context activation flow process, for example: between the network element of the establishment of wireless side carrying, bearer quality of service (Quality of Service is called for short QoS), consult etc., detailed description can, referring to related content of the prior art, repeat no more herein.
308, UE sends and revises PDP Context request (Modify PDP Context Request) message to SGSN, comprises the operation indication information that an above-mentioned TFT is upgraded in UE request in above-mentioned modification PDP Context request message;
For example: aforesaid operations indication information can include but not limited to the filter sign of upgrading operation, upgrading and the filter content of upgrading.
309, SGSN sends and upgrades PDP Context request (Update PDP Context Request) message to PGW, comprises the operation indication information that an above-mentioned TFT is upgraded in UE request in above-mentioned renewal PDP Context request message;
310, PGW obtains corresponding resource identification information according to an above-mentioned TFT, and obtains and upgrade an above-mentioned TFT the 2nd TFT afterwards according to aforesaid operations indication information;
311, PGW sends CCR-U message to PCRF, comprises above-mentioned the 2nd TFT and corresponding resource identification information in above-mentioned CCR-U message;
For example: PGW can increase by two AVP in CCR-U message, in order to carry above-mentioned the 2nd TFT and corresponding resource identification information, Resource-TFT AVP carries the 2nd TFT; Resource-ID AVP carries resource identification information.
Again for example: PGW can also increase a value in the Packet-Filter-Operation AVP in CCR-U message, in order to carry TFT operation, and in Packet-Filter-Information AVP, increase an AVP, in order to carry corresponding resource identification information, the 2nd TFT carrying corresponding to the Packet-Filter-Content AVP in this CCR-U message, TFT-ID AVP carries corresponding resource identification information.
For example: PGW can increase a value in the Packet-Filter-Operation AVP in CCR-U message, in order to carry TFT operation, and in the Packet-Filter-Information AVP in CCR-U message, increase an AVP, in order to carry resource identification information, the 2nd TFT carrying corresponding to the Packet-Filter-Content AVP in this CCR-U message, IP filter sign (Packet-Filter-ID) AVP carries resource identification information.
By PGW in 303～305, by associated correlated resources identification information and a TFT, realize correlated resources identification information and PCC rule, make PGW by the secondary PDP Context filter that more new technological process is asked, can accurately carry out corresponding renewal operation (such as retouching operation or deletion action etc.) to UE.
312, PCRF is according to above-mentioned the 2nd TFT and a PCC rule corresponding to above-mentioned resource identification information, and the business of asking for UE generates corresponding PCC Policy Updates operation;
For example: PCRF can be according to above-mentioned the 2nd TFT and a PCC rule corresponding to above-mentioned resource identification information, determine the renewal (comprising the interpolation in a PCC rule of a PCC rule well-regulated modification/deletion in Central Plains or newly-increased rule) that a PCC rule needs, then the business for UE request generates corresponding PCC Policy Updates operation, i.e. former well-regulated modification/deletion or newly-increased regular interpolation.
313, PCRF sends CCA-U message to PGW, comprises above-mentioned PCC Policy Updates operation in above-mentioned CCA-U message;
314, PGW operates according to above-mentioned PCC Policy Updates, generates the 2nd PCC rule after upgrading, and sends and upgrade PDP Context response (Update PDP Context Response) message to SGSN;
After this, UE initiates more other parts of new technological process of secondary PDP Context, such as: between the network element of the modification of wireless side carrying, carrying QoS, consult etc., detailed description can, referring to related content of the prior art, repeat no more herein.
315, UE sends deexcitation PDP Context request (Deactivate PDP Context Request) message to SGSN, comprises the deletion indication information that an above-mentioned TFT is deleted in UE request in above-mentioned deexcitation PDP Context request message;
For example: above-mentioned deletion indication information can include but not limited to the filter sign of deletion action and deletion.
316, SGSN sends and deletes PDP Context request (Delete PDP Context Request) message to PGW, comprises the deletion indication information that an above-mentioned TFT is deleted in UE request in above-mentioned deletion PDP Context request message;
317, PGW obtains corresponding resource identification information according to an above-mentioned TFT, and obtains and delete an above-mentioned TFT the 3rd TFT afterwards according to above-mentioned deletion indication information;
Wherein, the 3rd TFT can be sky, or can also identify with a particular value.
318, PGW sends CCR-U message to PCRF, comprises above-mentioned the 3rd TFT and corresponding resource identification information in above-mentioned CCR-U message;
For example: PGW can increase by two AVP in CCR-U message, in order to carry above-mentioned the 3rd TFT and corresponding resource identification information, Resource-TFT AVP carries the 3rd TFT; Resource-ID AVP carries resource identification information.Alternatively, because the 3rd TFT is empty, PGW can increase an AVP in CCR-U message, and in order to carry resource identification information corresponding to above-mentioned the 3rd TFT, Resource-ID AVP carries resource identification information.
For example: PGW can increase a value in the Packet-Filter-Operation AVP in CCR-U message, in order to carry TFT operation, and in Packet-Filter-Information AVP, increase an AVP, in order to carry corresponding resource identification information, the 3rd TFT carrying corresponding to the Packet-Filter-Content AVP in this CCR-U message, TFT-ID AVP carries corresponding resource identification information.Alternatively, because the 3rd TFT is empty, the PGW not Packet-Filter-Content AVP in CCR-U message carries the 3rd TFT.
For example: PGW can increase a value in the Packet-Filter-Operation AVP in CCR-U message, in order to carry TFT operation, and in the Packet-Filter-Information AVP in CCR-U message, increase an AVP, in order to carry resource identification information, the 3rd TFT carrying corresponding to the Packet-Filter-Content AVP in this CCR-U message, IP filter sign (Packet-Filter-ID) AVP carries resource identification information.Wherein,
319, PCRF is according to above-mentioned the 3rd TFT and a PCC rule corresponding to above-mentioned resource identification information, and the business of asking for UE generates corresponding PCC redundant rule elimination operation;
For example: PCRF can determine that a PCC rule needs to delete according to above-mentioned the 3rd TFT and a PCC rule corresponding to above-mentioned resource identification information, and then the business for UE request generates corresponding PCC redundant rule elimination operation, the i.e. deletion of a PCC rule.
Alternatively, PGW can also further can also comprise the PCC rule that business is corresponding in sending to the CCR-U message of PCRF, PCRF receives after CCR-U message, can be according to the PCC rule in this message, and for the business of UE request generates corresponding PCC redundant rule elimination operation.
320, PCRF sends CCA-U message to PGW, comprises above-mentioned PCC redundant rule elimination operation in above-mentioned CCA-U message;
321, PGW operates according to above-mentioned PCC redundant rule elimination, deletes an above-mentioned PCC rule, and sends and delete PDP Context response (Delete PDP Context Response) message to SGSN;
After this, UE initiates other parts that secondary PDP Context is deleted flow process, such as: the deletion of wireless side carrying, the deletion of UE side resource etc., detailed description can, referring to related content of the prior art, repeat no more herein.
308～314 and 315～321 two flow processs do not rely on existence mutually, can be flow processs independently.
In the present embodiment, by PGW, receive the business that comprises UE request that SGSN sends a TFT set up PDP Context request message, and send an above-mentioned TFT and corresponding resource identification information to PCRF, making PCRF can be traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule, can avoid in prior art in follow-up flow process, on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
It should be noted that: for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
The structural representation of the PGW that Fig. 4 provides for another embodiment of the present invention, as shown in Figure 4, the PGW of the present embodiment can comprise request unit 41, allocation units 42, processing unit 43 and receiving element 44.Wherein, request unit 41 is set up PDP Context request message, an above-mentioned TFT who sets up the business that comprises UE request in PDP Context request message for what receive that SGSN sends; Allocation units 42 are the above-mentioned resource identification information of traffic assignments of above-mentioned UE request, for processing unit 43 for sending to PCRF; Processing unit 43 is for send an above-mentioned TFT and corresponding resource identification information to PCRF, so that above-mentioned PCRF is traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule; The above-mentioned PCC rule that receiving element 44 sends for receiving above-mentioned PCRF.
The PGW that in embodiment corresponding to above-mentioned Fig. 1 and Fig. 3, the function of PGW all can be provided by the present embodiment realizes.
For example: allocation units 42 are specifically as follows resource identification information of traffic assignments of above-mentioned UE request.
Again for example: each filter corresponding to business that allocation units 42 specifically can also be respectively above-mentioned UE request distributes a resource identification information.
Alternatively, in the present embodiment,
Request unit 41 can also be further used for receiving the renewal PDP Context request message that SGSN sends, and comprises the operation indication information that an above-mentioned TFT is upgraded in UE request in above-mentioned renewal PDP Context request message;
Processing unit 43 can also be further used for sending the 2nd TFT and the above-mentioned resource identification information corresponding with an above-mentioned TFT to PCRF, so that above-mentioned PCRF is that the business that above-mentioned UE asks generates corresponding PCC Policy Updates operation according to above-mentioned the 2nd TFT and a PCC rule corresponding to above-mentioned resource identification information, above-mentioned the 2nd TFT is that above-mentioned PGW is according to the 2nd TFT of an above-mentioned TFT and the acquisition of aforesaid operations indication information;
Receiving element 44 can also be further used for receiving the above-mentioned PCC Policy Updates operation that above-mentioned PCRF sends, and generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
Alternatively, in the present embodiment,
Request unit 41 can also be further used for receiving the deletion PDP Context request message that SGSN sends, and comprises the deletion indication information that an above-mentioned TFT is deleted in UE request in above-mentioned deletion PDP Context request message;
Processing unit 43 can also be further used for sending the 3rd TFT and the above-mentioned resource identification information corresponding with an above-mentioned TFT to PCRF, so that above-mentioned PCRF is that the business that above-mentioned UE asks generates corresponding PCC redundant rule elimination operation according to above-mentioned the 3rd TFT and a PCC rule corresponding to above-mentioned resource identification information, above-mentioned the 3rd TFT is that above-mentioned PGW is according to the 3rd TFT of an above-mentioned TFT and the acquisition of above-mentioned deletion indication information;
Receiving element 44 can also be further used for receiving the above-mentioned PCC redundant rule elimination operation that above-mentioned PCRF sends, and deletes an above-mentioned PCC rule according to this PCC redundant rule elimination operation.
In the present embodiment, PGW by request unit, receive the business that comprises UE request that SGSN sends a TFT set up PDP Context request message, and to PCRF, send an above-mentioned TFT and corresponding resource identification information by processing unit, making PCRF can be traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule, can avoid in prior art in follow-up flow process, on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
The structural representation of the PCRF that Fig. 5 provides for another embodiment of the present invention, as shown in Figure 5, the PCRF of the present embodiment can comprise receiving element 51, processing unit 52 and transmitting element 53.Wherein, receiving element 51, the TFT and the corresponding resource identification information that for receiving PGW, send, above-mentioned resource identification information be above-mentioned PGW receive that SGSN sends set up PDP Context request message after, for the traffic assignments of above-mentioned UE request, an above-mentioned TFT who sets up the business that comprises UE request in PDP Context request message; Processing unit 52, for according to an above-mentioned TFT being traffic assignments the one PCC rule of above-mentioned UE request, and associated above-mentioned resource identification information and an above-mentioned PCC rule; Transmitting element 53, for sending an above-mentioned PCC rule to above-mentioned PGW.
The PGW that in embodiment corresponding to above-mentioned Fig. 2 and Fig. 3, the function of PCRF all can be provided by the present embodiment realizes.
Alternatively, in the present embodiment,
Receiving element 51 can also be further used for receiving the 2nd TFT of above-mentioned PGW transmission and the above-mentioned resource identification information corresponding with an above-mentioned TFT, above-mentioned the 2nd TFT is after above-mentioned PGW receives the renewal PDP Context request message of above-mentioned SGSN transmission, according to the operation indication information of an above-mentioned TFT and the above-mentioned TFT of renewal, obtain, in above-mentioned renewal PDP Context request message, comprise the operation indication information that an above-mentioned TFT is upgraded in UE request;
It is that the business that above-mentioned UE asks generates corresponding PCC Policy Updates operation that processing unit 52 can also be further used for according to above-mentioned the 2nd TFT and a PCC rule corresponding to above-mentioned resource identification information;
Transmitting element 53 can also be further used for sending above-mentioned PCC Policy Updates operation to above-mentioned PGW, so that above-mentioned PGW generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
Alternatively, in the present embodiment,
Receiving element 51 can also be further used for receiving the 3rd TFT of above-mentioned PGW transmission and the above-mentioned resource identification information corresponding with an above-mentioned TFT, above-mentioned the 3rd TFT is after above-mentioned PGW receives the deletion PDP Context request message of above-mentioned SGSN transmission, the 3rd TFT obtaining according to the deletion indication information of an above-mentioned TFT and the above-mentioned TFT of deletion, comprises the deletion indication information that an above-mentioned TFT is deleted in UE request in above-mentioned deletion PDP Context request message;
It is that the business that above-mentioned UE asks generates corresponding PCC redundant rule elimination operation that processing unit 52 can also be further used for according to above-mentioned the 3rd TFT and a PCC rule corresponding to above-mentioned resource identification information;
Transmitting element 53 can also be further used for sending above-mentioned PCC redundant rule elimination operation to above-mentioned PGW, so that above-mentioned PGW deletes an above-mentioned PCC rule according to this PCC redundant rule elimination operation.
In the present embodiment, PCRF receives by receiving element a TFT and the corresponding resource identification information that PGW sends, making processing unit can be traffic assignments the one PCC rule of above-mentioned UE request according to an above-mentioned TFT, and associated above-mentioned resource identification information and an above-mentioned PCC rule, can avoid in prior art in follow-up flow process, on EPC Gx interface, the problem that the filter filter that the inconsistent PGW causing cannot issue the filter of UE request with PCRF in quantity and/or content that the filter creating by the request of secondary PDP context activation flow process due to UE and PCRF issue by PCC rule mates.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, be called for short ROM), the various media that can be program code stored such as random access memory (Random Access Memory is called for short RAM), magnetic disc or CD.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (14)
1. the filter process method based on Gx interface, is characterized in that, comprising:
PGW receives that SGSN sends sets up PDP Context request message, a described TFT who sets up the business that comprises UE request in PDP Context request message;
Described PGW is the resource identification information corresponding to traffic assignments of described UE request;
Described PGW sends a described TFT and described resource identification information to PCRF, so that described PCRF is traffic assignments the one PCC rule of described UE request according to a described TFT, and associated described resource identification information and a described PCC rule;
Described PGW receives the described PCC rule that described PCRF sends.
2. method according to claim 1, is characterized in that, described PGW is resource identification information described in the traffic assignments of described UE request, comprising:
Described PGW is resource identification information of traffic assignments of described UE request; Or
Each filter corresponding to business that described PGW is respectively described UE request distributes a resource identification information.
3. method according to claim 1 and 2, is characterized in that, described method also comprises:
Described PGW receives the renewal PDP Context request message that described SGSN sends, and comprises the operation indication information that a described TFT is upgraded in UE request in described renewal PDP Context request message;
Described PGW sends the 2nd TFT and the described resource identification information corresponding with a described TFT to described PCRF, so that described PCRF is that the business that described UE asks generates corresponding PCC Policy Updates operation according to described the 2nd TFT and a PCC rule corresponding to described resource identification information, described the 2nd TFT is that described PGW is according to the 2nd TFT of a described TFT and the acquisition of described operation indication information;
Described PGW receives the described PCC Policy Updates operation that described PCRF sends, and generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
4. method according to claim 3, is characterized in that, described method also comprises:
Described PGW receives the deletion PDP Context request message that described SGSN sends, and comprises the deletion indication information that a described TFT is deleted in UE request in described deletion PDP Context request message;
Described PGW sends the 3rd TFT and the described resource identification information corresponding with a described TFT to described PCRF, so that described PCRF is that the business that described UE asks generates corresponding PCC redundant rule elimination operation according to described the 3rd TFT and a PCC rule corresponding to described resource identification information, described the 3rd TFT is that described PGW is according to the 3rd TFT of a described TFT and the acquisition of described deletion indication information;
Described PGW receives the described PCC redundant rule elimination operation that described PCRF sends, and deletes a described PCC rule according to this PCC redundant rule elimination operation.
5. the filter process method based on Gx interface, is characterized in that, comprising:
PCRF receives a TFT and the corresponding resource identification information that PGW sends, described resource identification information be described PGW receive that SGSN sends set up PDP Context request message after, for the traffic assignments of UE request, a described TFT who sets up the business that comprises UE request in PDP Context request message;
Described PCRF is traffic assignments the one PCC rule of described UE request according to a described TFT, and associated described resource identification information and a described PCC rule;
Described PCRF sends a described PCC rule to described PGW.
6. method according to claim 5, is characterized in that, described method also comprises:
Described PCRF receives the 2nd TFT of described PGW transmission and the described resource identification information corresponding with a described TFT, described the 2nd TFT is after described PGW receives the renewal PDP Context request message of described SGSN transmission, according to the operation indication information of a described TFT and the described TFT of renewal, obtain, in described renewal PDP Context request message, comprise the operation indication information that a described TFT is upgraded in UE request;
Described PCRF is that the business that described UE asks generates corresponding PCC Policy Updates operation according to described the 2nd TFT and a PCC rule corresponding to described resource identification information;
Described PCRF sends described PCC Policy Updates operation to described PGW, so that described PGW generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
7. according to the method described in claim 5 or 6, it is characterized in that, described method also comprises:
Described PCRF receives the 3rd TFT of described PGW transmission and the described resource identification information corresponding with a described TFT, described the 3rd TFT is after described PGW receives the deletion PDP Context request message of described SGSN transmission, the 3rd TFT obtaining according to the deletion indication information of a described TFT and the described TFT of deletion, comprises the deletion indication information that a described TFT is deleted in UE request in described deletion PDP Context request message;
Described PCRF is that the business that described UE asks generates corresponding PCC redundant rule elimination operation according to described the 3rd TFT and a PCC rule corresponding to described resource identification information;
Described PCRF sends described PCC redundant rule elimination operation to described PGW, so that described PGW deletes a described PCC rule according to this PCC redundant rule elimination operation.
8. a PGW, is characterized in that, comprising:
Request unit, sets up PDP Context request message, a described TFT who sets up the business that comprises UE request in PDP Context request message for what receive that SGSN sends;
Allocation units, the traffic assignments resource identification information that is used to described UE to ask;
Processing unit, for send a described TFT and corresponding resource identification information to PCRF, so that described PCRF is traffic assignments the one PCC rule of described UE request according to a described TFT, and associated described resource identification information and a described PCC rule;
Receiving element, the described PCC rule sending for receiving described PCRF.
9. PGW according to claim 8, is characterized in that, described allocation units specifically for
Resource identification information of traffic assignments for described UE request; Or
Each filter corresponding to business that is respectively described UE request distributes a resource identification information.
10. PGW according to claim 8 or claim 9, is characterized in that,
The renewal PDP Context request message that request unit also sends for receiving described SGSN, comprises the operation indication information that a described TFT is upgraded in UE request in described renewal PDP Context request message;
Processing unit is also for sending the 2nd TFT and the described resource identification information corresponding with a described TFT to described PCRF, so that described PCRF is that the business that described UE asks generates corresponding PCC Policy Updates operation according to described the 2nd TFT and a PCC rule corresponding to described resource identification information, described the 2nd TFT is that described PGW is according to the 2nd TFT of a described TFT and the acquisition of described operation indication information;
The described PCC Policy Updates operation that receiving element also sends for receiving described PCRF, and generate the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
11. PGW according to claim 10, is characterized in that,
The deletion PDP Context request message that request unit also sends for receiving described SGSN, comprises the deletion indication information that a described TFT is deleted in UE request in described deletion PDP Context request message;
Processing unit is also for sending the 3rd TFT and the described resource identification information corresponding with a described TFT to described PCRF, so that described PCRF is that the business that described UE asks generates corresponding PCC redundant rule elimination operation according to described the 3rd TFT and a PCC rule corresponding to described resource identification information, described the 3rd TFT is that described PGW is according to the 3rd TFT of a described TFT and the acquisition of described deletion indication information;
The described PCC redundant rule elimination operation that receiving element also sends for receiving described PCRF, and delete a described PCC rule according to this PCC redundant rule elimination operation.
12. 1 kinds of PCRF, is characterized in that, comprising:
Receiving element, the TFT and the corresponding resource identification information that for receiving PGW, send, described resource identification information be described PGW receive that SGSN sends set up PDP Context request message after, for the traffic assignments of UE request, a described TFT who sets up the business that comprises UE request in PDP Context request message;
Processing unit, for according to a described TFT being traffic assignments the one PCC rule of described UE request, and associated described resource identification information and a described PCC rule;
Transmitting element, for sending a described PCC rule to described PGW.
13. PCRF according to claim 12, is characterized in that,
Described receiving element is also for receiving the 2nd TFT of described PGW transmission and the described resource identification information corresponding with a described TFT, described the 2nd TFT is after described PGW receives the renewal PDP Context request message of described SGSN transmission, according to the operation indication information of a described TFT and the described TFT of renewal, obtain, in described renewal PDP Context request message, comprise the operation indication information that a described TFT is upgraded in UE request;
Described processing unit is also for generating corresponding PCC Policy Updates operation according to described the 2nd TFT and the regular business for described UE request of a PCC corresponding to described resource identification information;
Described transmitting element is also for send described PCC Policy Updates operation to described PGW, so that described PGW generates the 2nd PCC rule after upgrading according to this PCC Policy Updates operation.
14. according to the PCRF described in claim 12 or 13, it is characterized in that,
Described receiving element is also for receiving the 3rd TFT of described PGW transmission and the described resource identification information corresponding with a described TFT, described the 3rd TFT is after described PGW receives the deletion PDP Context request message of described SGSN transmission, the 3rd TFT obtaining according to the deletion indication information of a described TFT and the described TFT of deletion, comprises the deletion indication information that a described TFT is deleted in UE request in described deletion PDP Context request message;
Described processing unit is also for generating corresponding PCC redundant rule elimination operation according to described the 3rd TFT and the regular business for described UE request of a PCC corresponding to described resource identification information;
Described transmitting element is also for send described PCC redundant rule elimination operation to described PGW, so that described PGW deletes a described PCC rule according to this PCC redundant rule elimination operation.
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| PCT/CN2011/082961 WO2013075337A1 (en) | 2011-11-25 | 2011-11-25 | Gx interface based filter processing method, pgw and pcrf |
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| US10554512B2 (en) | 2017-06-07 | 2020-02-04 | Oracle International Corporation | Methods, systems, and computer readable media for suppressing redundant packet filter installation on user equipment in a mobile network |
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| CN101572862A (en) * | 2008-05-02 | 2009-11-04 | 三星电子株式会社 | Method and equipment for supporting intercommunication between 3G system and LTE system |
| CN101800967A (en) * | 2009-12-30 | 2010-08-11 | 华为技术有限公司 | Method, gateway and mobile terminal for realizing strategy and charging control |
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| CN101572862A (en) * | 2008-05-02 | 2009-11-04 | 三星电子株式会社 | Method and equipment for supporting intercommunication between 3G system and LTE system |
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