CN102970670A - Method, device and system for preventing billing overflow - Google Patents
Method, device and system for preventing billing overflow Download PDFInfo
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- CN102970670A CN102970670A CN2012105180548A CN201210518054A CN102970670A CN 102970670 A CN102970670 A CN 102970670A CN 2012105180548 A CN2012105180548 A CN 2012105180548A CN 201210518054 A CN201210518054 A CN 201210518054A CN 102970670 A CN102970670 A CN 102970670A
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Abstract
The embodiment of the invention discloses a method, a device and a system for preventing billing overflow, and the method, the device and the system relate to the field of communication and are used for effectively realizing the prevention of billing overflow. The method comprises the specific steps of receiving a billing termination message from a GGSN (Gateway GPRS Support Node) by a firewall Gi, analyzing an IP (Internet Protocol) address of an MS from the billing termination message, and deleting a session connection which corresponds to the MS and is between the firewall Gi and the GGSN according to the IP address. The method, the device and the system are applied to the prevention of billing overflow in mobile packet services.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, Apparatus and system that charging is overflowed of taking precautions against.
Background technology
In mobile Packet Service, travelling carriage (Mobile Station, MS) GPRS tunnel protocol (General packet radio service Tunneling Protocol can activated, GTP) after the business, according to from gateway general grouping service wireless support node (Gateway General packet radio service Support Node, GGSN) obtain agreement (the Internet Protocol of network interconnection, IP) address, to public data network (Public Data Network, PDN) request grouped data.But, if MS does not wait until the complete GTP business that just withdraws from of transfer of data, GGSN then can give other MS that activate the GTP business with this IP address assignment, and activate the connecting link that GTP sets up based on this IP address when professional by MS, the grouped data that to ask from the MS of PDN is sent to other MS, thereby can cause other MS to pay for this grouped data, i.e. the charging overflow problem.
In the prior art, in order to solve the charging overflow problem, as shown in Figure 1, at serving general radio packet service support node (Serving General packet radio service Support Node, SGSN) and disposed a fire compartment wall Gn between the GGSN, fire compartment wall Gn can be by the parsing to the GTP message between SGSN and the GGSN, detect MS roll off the production line (namely withdrawing from the GTP business), and the IP of the MS that will roll off the production line is sent to fire compartment wall Gi, so that the fire compartment wall Gi deletion connecting link relevant with this IP.Like this, after new MS reaches the standard grade, when the grouped data of the MS application of rolling off the production line arrives fire compartment wall Gi, because the connecting link relevant with this grouped data deleted, then this grouped data will be tackled by fire compartment wall Gi, thereby can realize the strick precaution that the GTP charging is overflowed.But, because it is higher to dispose the cost of a fire compartment wall Gn, and if fire compartment wall Gn in a single day break down and will have a strong impact on business; And mutual GTP message more complicated between SGSN and the GGSN, fire compartment wall Gn is difficult to accomplish to resolve fully and identify, and therefore, needs a kind ofly can effectively take precautions against the scheme that charging is overflowed under low cost.
Summary of the invention
Embodiments of the invention provide a kind of method, Apparatus and system that charging is overflowed of taking precautions against, and can realize the strick precaution that charging is overflowed under low cost.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The first aspect of the embodiment of the invention provides a kind of method that charging is overflowed of taking precautions against, and comprising:
Gateway general grouping service wireless support node GGSN receives mobile station MS from the serving general radio packet service support node SGSN message that rolls off the production line, and described MS rolls off the production line and comprises the Internet protocol IP address of described MS in the message;
Described GGSN sends the charging termination messages to fire compartment wall Gi, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
In conjunction with first aspect, in a kind of possible implementation, receive mobile station MS from serving general radio packet service support node SGSN at gateway general grouping service wireless support node GGSN and roll off the production line before the message, described method also comprises:
Described GGSN receives the described MS on-line message from described SGSN;
Described GGSN distributes described IP address for described MS according to described MS on-line message;
Described GGSN asks grouped data according to described grouped data request message to public data network PDN behind the grouped data request message that receives from described MS.
In conjunction with first aspect and above-mentioned possible implementation, in the possible implementation of another kind, receive mobile station MS from serving general radio packet service support node SGSN at gateway general grouping service wireless support node GGSN and roll off the production line after the message, described method also comprises:
Described GGSN sends described charging termination messages to the remote authentication dial-in user service radius server, comprises the described IP address of described MS in the described charging termination messages, so that described radius server stops charging to described MS corresponding to described IP address.
The second aspect of the embodiment of the invention also provides a kind of method that charging is overflowed of taking precautions against, and comprising:
Fire compartment wall Gi receives the charging termination messages from gateway general grouping service wireless support node GGSN, to be described GGSN roll off the production line and send after the message receiving described MS from serving general radio packet service support node SGSN for the Internet protocol IP address that comprises mobile station MS in the described charging termination messages, described charging termination messages;
Described fire compartment wall Gi resolves the described IP address of described MS from described charging termination messages;
Described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
In conjunction with second aspect, in a kind of possible implementation, described fire compartment wall Gi deleted the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address after, described method also comprised:
When the grouped data from PDN of described MS request arrived described fire compartment wall Gi, described fire compartment wall Gi abandoned described grouped data.
The third aspect of the embodiment of the invention also provides a kind of gateway general grouping service wireless support node GGSN, comprising:
Receiver be used for to receive mobile station MS from the serving general radio packet service support node SGSN message that rolls off the production line, and described MS rolls off the production line and comprises the Internet protocol IP address of described MS in the message;
Transmitter, be used for sending the charging termination messages to fire compartment wall Gi, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
In conjunction with the third aspect, in a kind of possible implementation, described receiver also is used for rolling off the production line before the message receiving described MS from described SGSN, receives the described MS on-line message from described SGSN; Reception is from the grouped data request message of described MS;
Described GGSN also comprises:
Processor, the described MS on-line message that is used for receiving according to described receiver is distributed described IP address to described MS, and after described receiver receives grouped data request message from described MS, according to described grouped data request message to public data network PDN request grouped data;
Described receiver also is used for receiving the grouped data request message from described MS.
In conjunction with the third aspect and above-mentioned possible implementation, in the possible implementation of another kind, described transmitter, being used for receiving described MS from described SGSN at described receiver rolls off the production line after the message, send described charging termination messages to radius server, the described IP address that comprises described MS in the described charging termination messages is so that described radius server stops charging to described MS corresponding to described IP address.
The fourth aspect of the embodiment of the invention also provides a kind of fire compartment wall Gi, comprising:
Receiver, be used for receiving the charging termination messages from gateway general grouping service wireless support node GGSN, to be described GGSN roll off the production line and send after the message receiving described MS from serving general radio packet service support node SGSN for the Internet protocol IP address that comprises mobile station MS in the described charging termination messages, described charging termination messages;
Processor is used for from the described IP address of the described MS of described charging termination messages parsing of described receiver reception; Delete the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
In conjunction with fourth aspect, in a kind of possible implementation, described processor also is used for abandoning described grouped data when the grouped data from PDN of described MS request arrives described fire compartment wall Gi.
The 5th aspect of the embodiment of the invention also provides a kind of system that charging is overflowed of taking precautions against, and comprising: gateway general grouping service wireless support node GGSN; Fire compartment wall Gi; And serving general radio packet service support node SGSN;
Described GGSN be used for to receive mobile station MS from the described SGSN message that rolls off the production line, and described MS rolls off the production line and comprises the Internet protocol IP address of described MS in the message; Send the charging termination messages to described fire compartment wall Gi, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address;
Described fire compartment wall Gi, be used for receiving the described charging termination messages from described GGSN, to be described GGSN roll off the production line and send after the message receiving described MS from described SGSN for the described IP address that comprises described MS in the described charging termination messages, described charging termination messages; From described charging termination messages, resolve the described IP address of described MS; Delete the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address;
Described SGSN, be used for after detecting MS and rolling off the production line, send MS and roll off the production line message to described GGSN, described MS rolls off the production line and comprises the IP address of described MS in the message, so that described GGSN sends the charging termination messages to described fire compartment wall Gi, and then after making described fire compartment wall Gi parse the described IP address of described MS from described charging termination messages, described fire compartment wall Gi deletes session connection between described fire compartment wall Gi and the described GGSN according to described IP address.
In conjunction with the 5th aspect, in a kind of possible implementation, described SGSN also is used for sending the MS on-line message to described GGSN; Behind the grouped data request message of reception from described MS, and described grouped data request message is forwarded to described GGSN, so that described GGSN asks grouped data according to described grouped data request message to PDN.
Method, Apparatus and system that the strick precaution charging that the embodiment of the invention provides is overflowed, fire compartment wall Gi receives the charging termination messages from GGSN, and from the charging termination messages, resolve the described IP address of MS, then according to the session connection between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, fire compartment wall Gi can be behind the charging termination messages that receives the GGSN transmission, the session connection corresponding to the MS that rolls off the production line between deletion fire compartment wall Gi and the GGSN, thus can under low cost, effectively realize the strick precaution that charging is overflowed.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that GPRS network of the prior art is taken precautions against the deployment schematic diagram that charging is overflowed;
Fig. 2 is that a kind of in the embodiment of the invention 1 takes precautions against the method flow diagram that charging is overflowed;
Fig. 3 is that a kind of in the embodiment of the invention 2 takes precautions against the method flow diagram that charging is overflowed;
Fig. 4 is that the GPRS network in the embodiment of the invention is taken precautions against the deployment schematic diagram that charging is overflowed;
Fig. 5 is that a kind of in the embodiment of the invention 3 takes precautions against the method flow diagram that charging is overflowed;
Fig. 6 is the composition schematic diagram of a kind of GGSN in the embodiment of the invention 4;
Fig. 7 is the composition schematic diagram of the another kind of GGSN in the embodiment of the invention 4;
Fig. 8 is the composition schematic diagram of a kind of fire compartment wall Gi in the embodiment of the invention 5;
Fig. 9 is the composition schematic diagram that a kind of in the embodiment of the invention 6 takes precautions against the system that charging overflows.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The various technology of describing herein can be used for various wireless communication systems, current 2G for example, 3G communication system and next generation communication system, global system for mobile communications (GSM for example, Global System for Mobile communications), code division multiple access (CDMA, Code Division Multiple Access) system, time division multiple access (TDMA, Time Division Multiple Access) system, Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division Multiple Access Wireless), frequency division multiple access (FDMA, Frequency Division Multiple Addressing) system, OFDM (OFDMA, Orthogonal Frequency-Division Multiple Access) system, Single Carrier Frequency Division Multiple Access (SC-FDMA) system, GPRS (GPRS, General Packet Radio Service) system, Long Term Evolution (LTE, Long Term Evolution) system, and other these type of communication systems.
Embodiment 1
The embodiment of the invention provides a kind of method that charging is overflowed of taking precautions against, and as shown in Figure 2, comprising:
101, gateway general grouping service wireless support node (Gateway General packet radio service Support Node, GGSN) receive from serving general radio packet service support node (Serving General packet radio service Support Node, SGSN) travelling carriage (Mobile Station, MS) message that rolls off the production line, MS rolls off the production line and comprises Internet protocol (Internet Protocol, the IP) address of MS in the message.
The method of the embodiment of the invention can be applied in the mobile Packet Service that GPRS (General Packet Radio Service, GPRS) network provides.Wherein, GPRS network is by increasing functional entity on the basis of global system for mobile communications (Global System of Mobile communication, GSM) network, such as GGSN, SGSN etc., to realize the transmission of grouped data.Wherein, the major function entity of GPRS network comprises: GPRS backbone network, GGSN, SGSN, attaching position register (Home Location Register, HLR), (the Mobile Switching Center of mobile switching centre, MSC), VLR Visitor Location Register (Visitor Location Register, VLR), MS, public data network (Public Data Network, PDN) etc.
Need to prove that SGSN can cooperate with MSC, VLR etc., be the management functions such as MS caller or the called forwarding that grouped data is provided, address translation.GGSN mainly plays gateway effect (gateway in order to realize the interconnection of network, is the most complicated network interconnection apparatus, network interconnection) on transport layer, can connect multiple different data network.Wherein, GGSN has the functions such as storage forwarding, user data management, mobile management.Concrete, which grouped data GGSN can select to enter GPRS network, to guarantee the safety of GPRS network; GGSN can be the MS dynamic IP address allocation; GGSN can access remote authentication dial-in user service (Remote Authentication Dial In User Service, RADIUS) server, realizes the functions such as the user authenticates, grouped data charging.
Further, receive mobile station MS from SGSN at GGSN and roll off the production line before the message, the method that this stricks precaution charging is overflowed can also comprise: the GGSN reception is from the MS on-line message of SGSN; To MS distributing IP address, GGSN asks grouped data according to the grouped data request message to public data network (Public Data Network, PDN) to GGSN behind the grouped data request message that receives from MS according to the MS on-line message.Concrete, when MS activates GPRS tunnel protocol (General packetradio service Tunneling Protocol, GTP) after professional (being that MS reaches the standard grade), can obtain the IP address that GGSN distributes to this MS, then send the grouped data request message to GGSN, ask grouped data by GGSN to PDN.
102, GGSN sends the charging termination messages to fire compartment wall Gi, the IP address that comprises MS in the charging termination messages, so that fire compartment wall Gi parses the IP address of MS from the charging termination messages after, fire compartment wall Gi is according to the session connection corresponding to MS between IP address deletion fire compartment wall Gi and the GGSN.
Wherein, GGSN transmission charging termination messages to the concrete mode of fire compartment wall Gi can be: when GGSN sent the charging termination messages to radius server, this charging termination messages of making a copy for was to fire compartment wall Gi.
The method that the strick precaution charging that the embodiment of the invention provides is overflowed, GGSN can roll off the production line after the message receiving MS from SGSN, send the charging termination messages to fire compartment wall Gi, so that fire compartment wall Gi parses the IP address of MS from the charging termination messages after, according to the session connection corresponding to the MS that rolls off the production line between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, GGSN can send the charging termination messages to fire compartment wall Gi, so that the session connection corresponding to the MS that rolls off the production line between fire compartment wall Gi deletion and the GGSN, thereby can under low cost, effectively realize the strick precaution that charging is overflowed.
Embodiment 2
The embodiment of the invention provides a kind of method that charging is overflowed of taking precautions against, and as shown in Figure 3, comprising:
201, fire compartment wall Gi receives the charging termination messages from GGSN, comprises the IP address of MS in the charging termination messages.
Wherein, to be GGSN roll off the production line after the message receiving MS from SGSN the charging termination messages, is sent to fire compartment wall Gi's.
Need to prove that in the GPRS network, the interface between each entity is different, as, Gb Interface, Gr interface, gn interface, Gi interface etc.Wherein, the Gi interface is the interface between GPRS network and the PDN, and gn interface is the interface between the GRPS network support node.As shown in Figure 4, the fire compartment wall in the embodiment of the invention is the fire compartment wall between GGSN and the PDN, and this fire compartment wall is connected by the Gi interface with GGSN, therefore is called fire compartment wall Gi.Because SGSN is connected by gn interface with GGSN, so the fire compartment wall that is deployed between SGSN and the GGSN of mentioning in the prior art is called fire compartment wall Gn.
202, fire compartment wall Gi resolves the IP address of MS from the charging termination messages.
Wherein, fire compartment wall Gi can read the charging termination messages from GGSN, and parses the IP address of MS from this charging termination messages.
203, fire compartment wall Gi is according to the session connection corresponding to MS between IP address deletion fire compartment wall Gi and the GGSN.
Wherein, fire compartment wall Gi can be according to the IP address of the MS that parses from the charging termination messages, the session connection corresponding to this MS between inquiry fire compartment wall Gi and the GGSN.
The method that the strick precaution charging that the embodiment of the invention provides is overflowed, fire compartment wall Gi receives the charging termination messages from GGSN, and resolves the described IP address of MS from the charging termination messages, then according to the session connection between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, fire compartment wall Gi can be behind the charging termination messages that receives the GGSN transmission, the session connection corresponding to the MS that rolls off the production line between deletion fire compartment wall Gi and the GGSN, thus can under low cost, effectively realize the strick precaution that charging is overflowed.
Embodiment 3
The embodiment of the invention provides a kind of method that charging is overflowed of taking precautions against, and as shown in Figure 5, comprising:
301, GGSN receives the MS on-line message from SGSN.
Wherein, SGSN can detect MS and reach the standard grade or roll off the production line, and rolls off the production line message to GGSN by GTP message transmission MS on-line message or MS.Wherein, GTP in the GPRS backbone network (between SGSN and GGSN) provide protocol channels, and namely the signaling between SGSN and the GGSN or data transfer all transmit by the GTP message.
302, GGSN to MS distributing IP address, and behind the grouped data request message that receives from MS, asks grouped data according to the grouped data request message to PDN according to the MS on-line message.
Need to prove, after the MS on-line message of GGSN reception from SGSN, the method of present embodiment can also comprise: GGSN sends charging and begins message to radius server, charging begins to comprise in the message IP address of the MS that reaches the standard grade, so that radius server begins charging to MS corresponding to IP address.
303, GGSN receives MS from the SGSN message that rolls off the production line, and MS rolls off the production line and comprises the IP address of MS in the message.
304, GGSN sends the charging termination messages to radius server, comprises the IP address of MS in the charging termination messages, so that radius server stops charging to MS corresponding to IP address.
Wherein, GGSN can send the charging termination messages to radius server by the RADIUS message, so that radius server is according to the IP address of the MS that comprises in this charging termination messages, the MS corresponding to this IP address stops charging.
305, GGSN sends the charging termination messages to fire compartment wall Gi, comprises the IP address of MS in the charging termination messages.
Wherein, unlike the prior art, GGSN can after receiving user offline message, be sent to fire compartment wall Gi with the charging termination messages that is sent to radius server, so that fire compartment wall Gi deletes the session connection corresponding with this MS according to this charging termination messages, thereby realize the strick precaution that charging is overflowed.Like this, not only can reduce and take precautions against the cost that charging is overflowed, can also avoid because fire compartment wall Gn can't finish identification or resolve mutual GTP message between SGSN and the GGSN, and the charging that causes be overflowed.
Need to prove that GGSN transmission charging termination messages to the concrete mode of fire compartment wall Gi can be: GGSN can send the charging termination messages to fire compartment wall Gi by the RADIUS message.
Further need to prove, GGSN is sent to the message of fire compartment wall Gi including, but not limited to the charging termination messages, for example, and when MS reaches the standard grade, GGSN can send the MS charging and begin message to fire compartment wall Gi, to set up the session connection based on the IP address of this MS between GGSN and the fire compartment wall Gi.Wherein, GGSN is sent in other message present embodiments of fire compartment wall Gi and repeats no more.
306, fire compartment wall Gi resolves the IP address of MS from the charging termination messages.
Wherein, fire compartment wall Gi can resolve the charging termination messages from the RADIUS message, then resolves the IP address of MS from the charging termination messages.Further, fire compartment wall Gi can also judge the legitimacy of this RADIUS message, judges that namely whether framework agreement corresponding to this RADIUS message exists, and checks the legitimacy of this IP address.
Need to prove, compare with the GTP message, RADIUS message relatively simple for structure, fire compartment wall Gi can identify completely and resolve the RADIUS message, to obtain the IP address of MS.
307, fire compartment wall Gi is according to the session connection corresponding to MS between IP address deletion fire compartment wall Gi and the GGSN.
308, when the grouped data from PDN of MS request arrived fire compartment wall Gi, fire compartment wall Gi abandoned grouped data.
Concrete, when fire compartment wall Gi received the deleted grouped data of session connection from the correspondence of PDN, fire compartment wall Gi can inquire about the packet filtering strategy of fire compartment wall, and initiation session connects again.Wherein, the packet filtering strategy of fire compartment wall Gi allows GGSN to connect to the PDN initiation session, and transmitting grouped data, forbids that PDN connects to the GGSN initiation session.
Exemplary, according to firewall policy, when data or message arrival fire compartment wall, fire compartment wall at first can be inquired about the session connection relevant with these data or message; If the session connection relevant with these data or message exists, fire compartment wall then allows these data or message to pass through; If the session connection relevant with these data or message deleted, fire compartment wall then can be inquired about the packet filtering of fire compartment wall, if the packet filtering of fire compartment wall allows these data or message to pass through, fire compartment wall then can be set up the session connection relevant with these data or message again, and allows these data or message to pass through; If the packet filtering of fire compartment wall does not allow these data or message to pass through, fire compartment wall then can abandon these data or message.
Concrete, after new MS reaches the standard grade, although the MS that has rolled off the production line request grouped data can continue transmission, when the grouped data from PDN of the MS request of rolling off the production line arrived fire compartment wall Gi, the session connection corresponding to the MS that rolls off the production line between fire compartment wall Gi and the GGSN was deleted.Fire compartment wall Gi then needs to inquire about the packet filtering of fire compartment wall, because the packet filtering strategy of fire compartment wall Gi forbids that PDN connects to the GGSN initiation session, then fire compartment wall Gi can not transmit this grouped data to GGSN, therefore, fire compartment wall Gi can directly abandon this grouped data, thereby can avoid the MS that newly reaches the standard grade is the problem that other grouped datas that rolled off the production line MS application are paid, and has realized the strick precaution that charging is overflowed.
Need to prove that the specific descriptions of Part Methods step can be with reference to the corresponding content among the additive method embodiment in the method that the strick precaution charging that the embodiment of the invention provides is overflowed, present embodiment is given unnecessary details here no longer in detail.
The method that the strick precaution charging that the embodiment of the invention provides is overflowed, fire compartment wall Gi can receive the charging termination messages from GGSN, and from the charging termination messages, resolve the described IP address of MS, then according to the session connection between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, fire compartment wall Gi can be behind the charging termination messages that receives the GGSN transmission, the session connection corresponding to the MS that rolls off the production line between deletion fire compartment wall Gi and the GGSN, thus can under low cost, effectively realize the strick precaution that charging is overflowed.
Embodiment 4
The embodiment of the invention provides a kind of GGSN, as shown in Figure 6, comprising: receiver 41, transmitter 42.
Further, described receiver also is used for rolling off the production line before the message receiving described MS from described SGSN, receives the described MS on-line message from described SGSN; Reception is from the grouped data request message of described MS.
As shown in Figure 7, described GGSN can also comprise: processor 43.
Described receiver 41 also is used for receiving the grouped data request message from described MS.
Further, described transmitter 42, also being used for receiving described MS from described SGSN at described receiver 41 rolls off the production line after the message, send described charging termination messages to radius server, the described IP address that comprises described MS in the described charging termination messages is so that described radius server stops charging to described MS corresponding to described IP address.
Need to prove that the specific descriptions of part functional module can be with reference to the corresponding content among other embodiment among the GGSN that the embodiment of the invention provides, present embodiment is given unnecessary details here no longer in detail.
The GGSN that the embodiment of the invention provides, can roll off the production line after the message receiving MS from SGSN, send the charging termination messages to fire compartment wall Gi, so that fire compartment wall Gi parses the IP address of MS from the charging termination messages after, according to the session connection corresponding to the MS that rolls off the production line between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, GGSN can send the charging termination messages to fire compartment wall Gi, so that the session connection corresponding to the MS that rolls off the production line between fire compartment wall Gi deletion and the GGSN, thereby can under low cost, effectively realize the strick precaution that charging is overflowed.
Embodiment 5
The embodiment of the invention provides a kind of fire compartment wall Gi, as shown in Figure 8, comprising: receiver 51, processor 52.
Further, described processor 52 also is used for abandoning described grouped data when the grouped data from PDN of described MS request arrives described fire compartment wall Gi.
Need to prove that the specific descriptions of part functional module can be with reference to the corresponding content among other embodiment among the fire compartment wall Gi that the embodiment of the invention provides, present embodiment is given unnecessary details here no longer in detail.
The fire compartment wall Gi that the embodiment of the invention provides can receive the charging termination messages from GGSN, and resolves the described IP address of MS from the charging termination messages, then according to the session connection between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, fire compartment wall Gi can be behind the charging termination messages that receives the GGSN transmission, the session connection corresponding to the MS that rolls off the production line between deletion fire compartment wall Gi and the GGSN, thus can under low cost, effectively realize the strick precaution that charging is overflowed.
Embodiment 6
The embodiment of the invention provides a kind of system that charging is overflowed of taking precautions against, and as shown in Figure 9, comprising: GGSN 61 fire compartment wall Gi 62, SGSN 63.
Described GGSN 61 be used for to receive MS from described SGSN 63 message that rolls off the production line, and described MS rolls off the production line and comprises the IP address of described MS in the message; Send the charging termination messages to fire compartment wall Gi 62, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi 62 parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi 62 deletes the session connection corresponding to described MS between described fire compartment wall Gi 62 and the described GGSN 61 according to described IP address.
Described fire compartment wall Gi 62, be used for receiving the charging termination messages from described GGSN 61, to be described GGSN 61 roll off the production line and send after the message receiving described MS from described SGSN 63 for the IP address that comprises MS in the described charging termination messages, described charging termination messages; From described charging termination messages, resolve the described IP address of described MS; Delete the session connection corresponding to described MS between described fire compartment wall Gi 62 and the described GGSN 61 according to described IP address.
Described SGSN 63, be used for after detecting described MS and rolling off the production line, send described MS and roll off the production line message to described GGSN 61, described MS rolls off the production line and comprises the described IP address of described MS in the message, so that described GGSN 61 sends the charging termination messages to described fire compartment wall Gi 62, and then after making described fire compartment wall Gi 62 parse the described IP address of described MS from described charging termination messages, described fire compartment wall Gi 62 deletes session connection between described fire compartment wall Gi 62 and the described GGSN 61 according to described IP address.
Further, described SGSN 63 also is used for sending the MS on-line message to described GGSN 61; Behind the grouped data request message of reception from described MS, and described grouped data request message is forwarded to described GGSN 61, so that described GGSN 61 asks grouped data according to described grouped data request message to PDN.
Need to prove that the specific descriptions of GGSN 61, fire compartment wall Gi 62 and SGSN 63 can be with reference to the corresponding content among other embodiment in the system that the strick precaution charging that the embodiment of the invention provides is overflowed, present embodiment is given unnecessary details here no longer in detail.
The system that the strick precaution charging that the embodiment of the invention provides is overflowed, fire compartment wall Gi can receive the charging termination messages from GGSN, and from the charging termination messages, resolve the described IP address of MS, then according to the session connection between this IP address deletion fire compartment wall Gi and the GGSN.And prior art has been disposed a fire compartment wall Gn between SGSN and GGSN, by the message between fire compartment wall Gn parsing SGSN and the GGSN, obtain MS and roll off the production line information and sending to fire compartment wall Gi, the strick precaution charging is overflowed and is compared, do not need to dispose fire compartment wall Gn, fire compartment wall Gi can be behind the charging termination messages that receives the GGSN transmission, the session connection corresponding to the MS that rolls off the production line between deletion fire compartment wall Gi and the GGSN, thus can under low cost, effectively realize the strick precaution that charging is overflowed.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode in a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk such as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (12)
1. take precautions against the method that charging is overflowed for one kind, it is characterized in that, comprising:
Gateway general grouping service wireless support node GGSN receives mobile station MS from the serving general radio packet service support node SGSN message that rolls off the production line, and described MS rolls off the production line and comprises the Internet protocol IP address of described MS in the message;
Described GGSN sends the charging termination messages to fire compartment wall Gi, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
2. the strick precaution charging according to claim 1 method of overflowing, it is characterized in that, receive mobile station MS from serving general radio packet service support node SGSN at gateway general grouping service wireless support node GGSN and roll off the production line before the message, described method also comprises:
Described GGSN receives the described MS on-line message from described SGSN;
Described GGSN distributes described IP address for described MS according to described MS on-line message;
Described GGSN asks grouped data according to described grouped data request message to public data network PDN behind the grouped data request message that receives from described MS.
3. the described strick precaution charging method of overflowing according to claim 1-2, it is characterized in that, receive mobile station MS from serving general radio packet service support node SGSN at gateway general grouping service wireless support node GGSN and roll off the production line after the message, described method also comprises:
Described GGSN sends described charging termination messages to the remote authentication dial-in user service radius server, comprises the described IP address of described MS in the described charging termination messages, so that described radius server stops charging to described MS corresponding to described IP address.
4. take precautions against the method that charging is overflowed for one kind, it is characterized in that, comprising:
Fire compartment wall Gi receives the charging termination messages from gateway general grouping service wireless support node GGSN, to be described GGSN roll off the production line and send after the message receiving described MS from serving general radio packet service support node SGSN for the Internet protocol IP address that comprises mobile station MS in the described charging termination messages, described charging termination messages;
Described fire compartment wall Gi resolves the described IP address of described MS from described charging termination messages;
Described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
5. the strick precaution charging according to claim 4 method of overflowing is characterized in that, described fire compartment wall Gi deleted the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address after, described method also comprised:
When the grouped data from PDN of described MS request arrived described fire compartment wall Gi, described fire compartment wall Gi abandoned described grouped data.
6. a gateway general grouping service wireless support node GGSN is characterized in that, comprising:
Receiver be used for to receive mobile station MS from the serving general radio packet service support node SGSN message that rolls off the production line, and described MS rolls off the production line and comprises the Internet protocol IP address of described MS in the message;
Transmitter, be used for sending the charging termination messages to fire compartment wall Gi, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
7. GGSN according to claim 6 is characterized in that, described receiver also is used for rolling off the production line before the message receiving described MS from described SGSN, receives the described MS on-line message from described SGSN; Reception is from the grouped data request message of described MS;
Described GGSN also comprises:
Processor, the described MS on-line message that is used for receiving according to described receiver is distributed described IP address to described MS, and after described receiver receives grouped data request message from described MS, according to described grouped data request message to public data network PDN request grouped data.
8. described GGSN according to claim 6-7, it is characterized in that, described transmitter, also being used for receiving described MS from described SGSN at described receiver rolls off the production line after the message, send described charging termination messages to radius server, the described IP address that comprises described MS in the described charging termination messages is so that described radius server stops charging to described MS corresponding to described IP address.
9. a fire compartment wall Gi is characterized in that, comprising:
Receiver, be used for receiving the charging termination messages from gateway general grouping service wireless support node GGSN, to be described GGSN roll off the production line and send after the message receiving described MS from serving general radio packet service support node SGSN for the Internet protocol IP address that comprises mobile station MS in the described charging termination messages, described charging termination messages;
Processor is used for from the described IP address of the described MS of described charging termination messages parsing of described receiver reception; Delete the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address.
10. fire compartment wall Gi according to claim 9 is characterized in that, described processor also is used for abandoning described grouped data when the grouped data from PDN of described MS request arrives described fire compartment wall Gi.
11. take precautions against the system that charging is overflowed for one kind, it is characterized in that, comprising:
Gateway general grouping service wireless support node GGSN; Fire compartment wall Gi; And serving general radio packet service support node SGSN;
Described GGSN be used for to receive mobile station MS from the SGSN message that rolls off the production line, and described MS rolls off the production line and comprises the Internet protocol IP address of described MS in the message; Send the charging termination messages to described fire compartment wall Gi, the described IP address that comprises described MS in the described charging termination messages, so that described fire compartment wall Gi parses the described IP address of described MS from described charging termination messages after, described fire compartment wall Gi deletes the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address;
Described fire compartment wall Gi, be used for receiving the described charging termination messages from described GGSN, to be described GGSN roll off the production line and send after the message receiving described MS from described SGSN for the described IP address that comprises described MS in the described charging termination messages, described charging termination messages; From described charging termination messages, resolve the described IP address of described MS; Delete the session connection corresponding to described MS between described fire compartment wall Gi and the described GGSN according to described IP address;
Described SGSN, be used for after detecting described MS and rolling off the production line, send described MS and roll off the production line message to described GGSN, described MS rolls off the production line and comprises the IP address of described MS in the message, so that described GGSN sends described charging termination messages to described fire compartment wall Gi, and then after making described fire compartment wall Gi parse the described IP address of described MS from described charging termination messages, described fire compartment wall Gi deletes session connection between described fire compartment wall Gi and the described GGSN according to described IP address.
12. the system that strick precaution charging according to claim 11 is overflowed is characterized in that, described SGSN also is used for sending the MS on-line message to described GGSN; Behind the grouped data request message of reception from described MS, and described grouped data request message is forwarded to described GGSN, so that described GGSN asks grouped data according to described grouped data request message to PDN.
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