CN105578491A - Method and device for associating 4G user information with application data - Google Patents
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Abstract
The invention provides a method for associating 4G user information with application data. The method is applied to the 4G mobile Internet, and comprises the following steps that 1) signaling and application data of S1-MME, S11 and S1-U interfaces is collected in real time; a filtering condition is set to filter the signaling and application data; the application data of the S1-U interface is parsed and reduced to ordered GTP-U application data flows; the signaling data of the S11 interface and S1-MME interfaces is decoded to extract field information sets, generate CDR records and associate the CDR records; and the application data flows are associated with the complete CRF records. The invention also provides a corresponding device. The method and device are characterized in that the user information is extracted accurately and the association efficiency is high.
Description
Technical field
The present invention relates to 4G (LTE) mobile Internet communication technology technical field, more particularly, relate to method and device that a kind of 4G user profile associates with application data.
Background technology
In 2G/3G mobile Internet, user profile associates with application data, normally by gathering the GTP-C (GPRSTunnellingProtocolforthecontrolplane of gn interface, the GTP tunnel agreement of chain of command) and GTP-U (GPRSTunnellingProtocolforUserPlane, the GTP tunnel agreement in user face) protocol data, and these data are carried out to the extraction of critical field information, Key key (TEID) common in these two kinds of protocol datas is utilized to carry out associating realizing, but be only present in the CreatePDPcontext message in GTP-C agreement due to user profile, and in UpdataPDPcontext and DeletePDPcontext message, do not carry user profile, need further these three kinds of message relatings to be got up, effectively associate with the application data of GTP-U again after backfill whole user information, but signaling is transient in transmitting procedure, the mode of the backfilling subscriber information of this single face, there is the phenomenon of backfill disappearance, cause certain applications data effectively can not be associated with user profile like this, thus cause tracing to the source that the behavior of user is carried out, the location of user, the error of the application operatings such as precision marketing.
Current 4G (LTE) mobile Internet has the feature of advance, networking structure flattening, very large difference is there is with on 2G/3G mobile Internet core net framework, obviously be applied to the corresponding technology between user profile and application data in 2G/3G mobile internet, can not be effectively applied in 4G mobile Internet network.
Summary of the invention
The technical problem to be solved in the present invention is, can not be effectively applied in 4G mobile Internet network for the corresponding technology in above-mentioned 2G/3G mobile internet between user profile and application data, a kind of method providing 4G user profile to associate with application data and device.
The technical scheme that the present invention solves the problem is a kind of method that 4G user profile associates with application data, and the method is applied in 4G mobile Internet, it is characterized in that: the method comprises the following steps:
The signaling data of S1, Real-time Collection S1-MME interface, S11 interface, S1-U interface and application data;
S2, by configurating filtered condition, described signaling data and application data are filtered, then described signaling data and application data are split into the application data of GTP-U, the protocol data of GTP-C and S1-AP protocol data;
S3, the IP of the application data of described GTP-U bag to be resolved, be reduced into the application data stream of orderly GTP-U;
S4, the protocol data of described GTP-C successively to be decoded, and extract the first field information group, generate the cdr logging of S11 interface;
S5, described S1-AP protocol data successively to be decoded, extract the second field information group, generate the cdr logging of S1-MME interface;
S6, to be associated with the cdr logging of described S1-MME interface with the cdr logging of the 2nd Key key by described S11 interface by a Key key, and association backfill is carried out to the cdr logging that user profile is not extracted, form the complete cdr logging of a user profile;
S7, the application data stream of described GTP-U to be associated with described complete cdr logging with the 4th Key key by the 3rd Key key.
In the above-mentioned methods, described step S1 can gather described signaling data and application data by electric TAP mode, also can gather described signaling data and application data by the mode of TAP light splitting.
In the above-mentioned methods, a described Key key is IMSI, and the 2nd Key key is the time started, and described 3rd Key key is TEID, and described 4th Key key is the time started.
Present invention also offers the device that a kind of 4G user profile associates with application data, comprise the wireless access base station of evolution, mobile management entity and gateway, and described gateway is by S11 interface, S1-U interface connects described mobile management entity respectively, the wireless access base station of described evolution, the wireless access base station of described evolution is connected by S1-MME interface with described mobile management entity, it is characterized in that, this device also comprises convergence shunting device, a front-end processing probe group of planes, association backfill server, collecting device, wherein, collecting device is positioned at S1-MME interface, S1-U interface, on S11 interface, for gathering S1-MME interface, S1-U interface, the signaling data of S11 interface and application data, described convergence shunting device is used for configurating filtered condition, and according to this filter condition, will shunt described signaling data and application data, a described front-end processing probe group of planes is connected with described convergence shunting device, comprise front-end processing S1-AP signaling probe server and front end applications probe server, described front-end processing S1-AP signaling probe server is used for successively decoding to the protocol data of GTP-C, and extract the first field information group, generate the cdr logging of S11 interface, described front end applications probe server is successively decoded to S1-AP protocol data, extracts the second field information group, generates the cdr logging of S1-MME interface, described association backfill server is connected with a described front-end processing probe group of planes, for associating described cdr logging, user profile in backfill cdr logging, forms complete user profile, and described complete user profile is associated with orderly application data stream.
In above-mentioned device, described collecting device can be electric mouth TAP equipment, also can be light mouth TAP equipment.
In above-mentioned device, described association backfill server is associated described cdr logging with the 2nd KEY key by a KEY key, and described complete user profile is associated with orderly application data stream with the 4th Key key by the 3rd Key key, wherein, a described Key key is IMSI, 2nd Key key is the time started, and described 3rd Key key is TEID, and described 4th Key key is the time started.
Beneficial effect of the present invention has: by the corresponding technology of the user profile extracted in multiplex roles, multi-protocols and application data, the present invention has the advantages that user profile is extracted accurately, association efficiency is high, is applicable to the aspects such as 4G (LTE) mobile Internet safety, LTE network O&M, 4G user location, telecommunication value-added application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device that a kind of 4G user profile of the embodiment of the present invention associates with application data.
Fig. 2 is the method flow diagram that a kind of 4G user profile of the embodiment of the present invention associates with application data.
Fig. 3 be in the step S4 of Fig. 2 S11 protocol stack to the decoding process figure of the protocol data of GTP-C.
Fig. 4 is the flow chart of GTP-Cv2 decoding in Fig. 3.
Fig. 5 is the decoding process figure of protocol stack to the protocol data of S1-AP of S1-MME interface in the step S5 of Fig. 2.
Fig. 6 is the flow chart of the S1-AP decoding in Fig. 5.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the structural representation of the device associated with application data for a kind of 4G user profile of the embodiment of the present invention.This device comprises 4G terminal equipment 1, the wireless access base station 2 of evolution, mobile management entity 3, gateway 4, packet data gateway 5, IP service network 6, converges shunting device 7, home subscriber server 8, a front-end processing probe group of planes 9, association backfill server 10 and collecting device 14 (not shown).
Wherein, collecting device 14 is positioned on S1-MME (MobilityManagementEntity, mobile management entity) interface 11, S1-U interface 12, S11 interface 13, can be electric mouth TAP (TestAccessPoint, splitter) equipment also can be light mouth TAP equipment.
4G terminal equipment 1 can be the computer, PDA (PersonalDigitalAssistant, palmtop PC) etc. of 4G cell phone, embedded 4G network interface card.
The wireless access base station 2 of evolution is connected with mobile management device 3, gateway 4 by S1-MME interface 11, S1-U interface 12 respectively by Ethernet.
Mobile management entity 3 is also connected with home subscriber server 8 by S6a interface, and is connected with gateway 4 by S11 interface 13.
Gateway 4 connects the wireless access base station 2 of mobile management entity 3, evolution respectively by S11 interface 13, S1-U interface 12, and connects packet data gateway 5 (not shown) by internal interface S5/S8.
Packet data gateway 5 is connected with IP service network 6 by SGi interface.
Converge shunting device 7 for receiving the data message of coming from S1-MME interface 11, S11 interface 12, S1-U interface 13 collection, and according to filter condition, this data message is filtered, data message is formed different data distributions, data message is distributed to a front-end processing probe group of planes 9 to process, wherein filter condition comprises the distributing strategy of UDP (UserDatagramProtocol, User Datagram Protoco (UDP)) port and IP address.
Home subscriber server 8 is for providing the operation such as inquiry, amendment, cancellation of the information such as user signing contract information, customer location.
A front-end processing probe group of planes 9, comprises front end applications probe server and front-end processing S1-AP (S1ApplicationProtocol) signaling probe server (not shown); Respectively with convergence shunting device 7, associate and backfill server 10 and be connected, for receiving the signaling data and application data that converge shunting device 7 distribution, there is provided signaling and application data to resolve plug-in card program to decode to GTP-C, GTP-U, S1-AP protocol data, extract field information respectively, generate cdr logging and orderly application data stream, and be forwarded to association backfill server 10.
The cdr logging that association backfill server 10 forwards for a receiving front-end process probe group of planes 9 and orderly application data stream, and cdr logging is associated, user profile in backfill cdr logging, form complete user profile, and described complete user profile is associated with orderly application data stream.
As shown in Figure 2, the method flow diagram that a kind of 4G user profile for the embodiment of the present invention associates with application data, comprises the following steps:
S21: the signaling data of collecting device Real-time Collection S1-MME, S1-U, S11 interface and application data;
In this step, collecting device is positioned on S1-MME, S1-U, S11 interface, according to the type of interface physical links, can be gathered, also can be gathered by the mode of TAP light splitting by electric TAP mode.
S22: converge shunting device and receive described signaling data and application data, and by configurating filtered condition, described signaling data and application data are filtered, described signaling data and application data are split into the application data of the GTP-U of S1-U interface, the protocol data of the GTP-C of S11 interface and the S1-AP protocol data of S1-MME interface;
In this step, filter condition is for judge UDPPort, and wherein, UDPPort=2123 is expressed as the protocol data of the GTP-C of S11 interface; UDPPort=2152 is expressed as the application data of the GTP-U of S1-U interface; UDPPort is the S1-AP protocol data that other ports are expressed as S1-MME interface.Be appreciated that, after filtering according to described filter condition, define three data flow, namely data distribution is completed, the object of this data distribution is no more than the data of 800Mbit/s ~ 2Gbit/s according to flow in order to ensure the probe server process in subsequent step, ensures the accuracy of data processing.
S23: front end applications control pin server receives the application data of described GTP-U, and the IP bag of the application data of this GTP-U is resolved, be reduced into the application data stream of orderly GTP-U;
In this step, before parsing, the IP bag of the application data of this GTP-U is for unordered, and after being reduced into the application data stream of orderly GTP-U, does not need the identification doing application data behavior further.
S24: front-end processing S1-AP signaling probe server receives the protocol data of described GTP-C, successively decodes, and extract the first field information group to the protocol data of described GTP-C, generates the cdr logging of S11 interface;
In this step, field information is extracted from different scenes, such as adhere to, attachment removal, service request, S1 discharges, tracking area location updating, switch, dedicated bearer activates, dedicated bearer deexcitation, bearing modification, carrying release, PDN (PacketDataNetwork, Packet Data Network) scene such as connection establishment, in addition, described first field information group comprises IMSI (InternationalMobileSubscriberIdentity, international mobile subscriber identity), MSISDN (MobileSubscriberInternationalISDN/PSTNNumber, the number of mobile subscriber's International Integrated Services digital network), IMEI (InternationalMobileEquipmentIdentity, mobile device international identity code), customer location, User-IP, time started.
S25: front-end processing S1-AP signaling probe server receives described S1-AP protocol data, successively decodes, extract the second field information group to described S1-AP protocol data, generates the cdr logging of S1-MME interface;
In this step, field information is extracted from different scenes, such as adhere to, attachment removal, service request, S1 discharges, tracking area location updating, switch, dedicated bearer activates, dedicated bearer deexcitation, bearing modification, carrying release, the scenes such as PDN connection establishment, described second field information group comprises user profile, IMEI, MSISDN, customer location, TEID (the TunnellingEndpointIndentification of eNodeB, tunnel endpoint identifier), S-GW (ServingGateway, gateway) TEID, USER-IP, time started, wherein, the field information that S1-MME interface does not have is comprised in MSISDN, early stage can fill a vacancy, later stage can backfill.
S26: association backfill server receives the CDR (CallDetailRecord of described S11 interface, call detail record) record and the cdr logging of described S1-MME interface, associated with the cdr logging of described S1-MME interface with the cdr logging of the 2nd Key key by described S11 interface by a Key key, and association backfill is carried out to the cdr logging that user profile is not extracted, form a complete cdr logging;
In this step, a described Key key is IMSI, and the 2nd Key key is the time started, is appreciated that described complete cdr logging comprises complete user profile
S27: association backfill server receives the application data of described GTP-U, and by the 3rd Key key and the 4th Key key, is associated by the application data stream of described GTP-U with described complete cdr logging.
In this step, described 3rd Key key is TEID, and described 4th Key key is the time started.To this step, achieve the efficient association of 4G user profile and application data.
As shown in Figure 3, for S11 protocol stack in the step S4 of Fig. 2 is to the decoding process figure of the protocol data of GTP-C.With reference to figure 3, the order of decoding is: the protocol-decoding calling EthernetII; Take out the payload of EthernetII, call IP decoding; Take out the payload of IP packet, call UDP decoding; Take out the payload of UDP, call GTP-Cv2 decoding.
As shown in Figure 4, be the flow chart of GTP-Cv2 decoding in Fig. 3.Comprise the following steps:
Obtain PDU length and the head pointer of message to be decoded; Judge that whether this message is effective; If effectively, arranging protocol hierarchy is GTP-Cv2, and obtains memory pool; Extract critical field information, and carry out the synthesis between S11 interface message; Fill in decoded result and composite signal (generation cdr logging); If message invalid and decoding composite signal terminate.
As shown in Figure 5, for the protocol stack of S1-MME interface in the step S5 of Fig. 2 is to the decoding process figure of the protocol data of S1-AP.Comprise step to have: the structure according to protocol stack is successively resolved packet, and the order of resolving is followed successively by the decoding of Ethernet agreement, IP agreement, Stream Control Transmission Protocol and S1-AP agreement; Judge whether contain NASPDU unit in this S1-AP message, if having, call the decoding of NAS (NetworkAccessServer, network access server) agreement.
As shown in Figure 6, be the flow chart of the S1-AP decoding in Fig. 5.Comprise the following steps:
Obtain PDU (ProtocolDataUnit, protocol Data Unit) length and the head pointer of message to be decoded; Whether determination information is effective; If it is S1-AP that message effectively, arranges protocol hierarchy, and obtains memory pool; Extract field information; Call S1 interface synthesis module to carry out synthesizing (generation cdr logging); Judge whether containing NASPDU according in S1-AP message, if do not comprise NASPDU, decoding terminates; If there is NASPDU, it is NAS that decoding arranges protocol hierarchy; Determine whether encrypting messages according to first character joint acquisition protocol discriminator and security header type, wherein, when security header is 2 or 4, represent it is encrypting messages; If first non-encrypted message obtain corresponding plaintext by message number and side-play amount, then decode, fill in the type of NAS message, decoding terminates; If encrypting messages then calls deciphering module and obtains expressly, then carries out the extraction of NAS field information, after field information has extracted, the synthesis module calling S1 interface synthesizes.
The present invention is by the corresponding technology of the user profile extracted in multiplex roles, multi-protocols and application data, have the advantages that user profile is extracted accurately, association efficiency is high, be applicable to the aspects such as 4G (LTE) mobile Internet safety, LTE network O&M, 4G user location, telecommunication value-added application.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change 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 claim.
Claims (6)
1. the method that associates with application data of 4G user profile, the method is applied in 4G mobile Internet, it is characterized in that: the method comprises the following steps:
The signaling data of S1, Real-time Collection S1-MME interface, S11 interface, S1-U interface and application data;
S2, by configurating filtered condition, described signaling data and application data are filtered, then described signaling data and application data are split into the application data of GTP-U, the protocol data of GTP-C and S1-AP protocol data;
S3, the IP of the application data of described GTP-U bag to be resolved, be reduced into the application data stream of orderly GTP-U;
S4, the protocol data of described GTP-C successively to be decoded, and extract the first field information group, generate the cdr logging of S11 interface;
S5, described S1-AP protocol data successively to be decoded, extract the second field information group, generate the cdr logging of S1-MME interface;
S6, to be associated with the cdr logging of described S1-MME interface with the cdr logging of the 2nd Key key by described S11 interface by a Key key, and association backfill is carried out to the cdr logging that user profile is not extracted, form the complete cdr logging of a user profile;
S7, the application data stream of described GTP-U to be associated with described complete cdr logging with the 4th Key key by the 3rd Key key.
2. according to the method that a kind of 4G user profile described in claim 1 associates with application data, it is characterized in that, described step S1 can gather described signaling data and application data by electric TAP mode, also can gather described signaling data and application data by the mode of TAP light splitting.
3. according to the method that a kind of 4G user profile described in claim 1 associates with application data, it is characterized in that, a described Key key is IMSI, and the 2nd Key key is the time started, and described 3rd Key key is TEID, and described 4th Key key is the time started.
4. the device that associates with application data of a 4G user profile, comprise the wireless access base station of evolution, mobile management entity and gateway, and described gateway is by S11 interface, S1-U interface connects described mobile management entity respectively, the wireless access base station of described evolution, the wireless access base station of described evolution is connected by S1-MME interface with described mobile management entity, it is characterized in that, this device also comprises convergence shunting device, a front-end processing probe group of planes, association backfill server, collecting device, wherein, collecting device is positioned at S1-MME interface, S1-U interface, on S11 interface, for gathering S1-MME interface, S1-U interface, the signaling data of S11 interface and application data, described convergence shunting device is used for configurating filtered condition, and according to this filter condition, will shunt described signaling data and application data, a described front-end processing probe group of planes is connected with described convergence shunting device, comprise front-end processing S1-AP signaling probe server and front end applications probe server, described front-end processing S1-AP signaling probe server is used for successively decoding to the protocol data of GTP-C, and extract the first field information group, generate the cdr logging of S11 interface, described front end applications probe server is successively decoded to S1-AP protocol data, extracts the second field information, generates the cdr logging of S1-MME interface, described association backfill server is connected with a described front-end processing probe group of planes, for associating described cdr logging, user profile in backfill cdr logging, forms complete user profile, and described complete user profile is associated with orderly application data stream.
5. according to the device that a kind of 4G user profile described in claim 4 associates with application data, it is characterized in that, described collecting device can be electric mouth TAP equipment, also can be light mouth TAP equipment.
6. according to the device that a kind of 4G user profile described in claim 4 associates with application data, it is characterized in that, described association backfill server is associated described cdr logging with the 2nd KEY key by a KEY key, and described complete user profile is associated with orderly application data stream with the 4th Key key by the 3rd Key key, wherein, a described Key key is IMSI, and the 2nd Key key is the time started, described 3rd Key key is TEID, and described 4th Key key is the time started.
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