CN110839233B - Flow statistical method, device and computer readable storage medium - Google Patents
Flow statistical method, device and computer readable storage medium Download PDFInfo
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- CN110839233B CN110839233B CN201810938687.1A CN201810938687A CN110839233B CN 110839233 B CN110839233 B CN 110839233B CN 201810938687 A CN201810938687 A CN 201810938687A CN 110839233 B CN110839233 B CN 110839233B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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Abstract
The disclosure provides a traffic statistical method, a traffic statistical device and a computer readable storage medium, and relates to the technical field of mobile communication. The flow statistical method comprises the following steps: a multi-access edge computing MEC server acquires an International Mobile Subscriber Identity (IMSI) of a user terminal; and the MEC server correlates the traffic data transmitted through the S1-U interface by using the IMSI of the user terminal so as to count the traffic data transmitted by the user terminal through the S1-U interface. The method and the device can acquire the IMSI of the user terminal through the MEC server, thereby counting the flow data of the user terminal under the condition of not transforming the existing network element.
Description
Technical Field
The present disclosure relates to the field of mobile communications technologies, and in particular, to a traffic statistic method, an apparatus, and a computer-readable storage medium.
Background
After the MEC server is deployed to the communication network, the traffic data of the user terminal can be locally distributed.
However, since the MEC (Multiple-Access Edge Service) server cannot obtain the IMSI (International Mobile Subscriber identity) of the ue from the traffic data of the ue in real time, the MEC server cannot count the traffic data based on the IMSI of the ue, and thus cannot realize the charging based on the ue.
Disclosure of Invention
The technical problem solved by the present disclosure is how to count the traffic data of the user terminal without modifying the existing network element.
According to an aspect of the embodiments of the present disclosure, there is provided a traffic statistic method, including: a multi-access edge computing MEC server acquires an International Mobile Subscriber Identity (IMSI) of a user terminal; and the MEC server correlates the traffic data transmitted through the S1-U interface by using the IMSI of the user terminal so as to count the traffic data transmitted through the S1-U interface by the user terminal.
In some embodiments, the obtaining, by the multi-access edge computing MEC server, the international mobile subscriber identity IMSI of the user terminal includes: and under the condition that the non-access stratum (NAS) does not encrypt the IMSI, the MEC server initiates a reattachment process to the user terminal to acquire the IMSI of the user terminal.
In some embodiments, the MEC server initiating the reattachment procedure to the user terminal to obtain the IMSI of the user terminal includes: the MEC server sends a Detach Request simulation message to a base station of the user terminal, and the Detach Type of the Detach Request simulation message Re-attaches Re-Attach; the MEC server receives a Detach acceptance Detach message sent by the base station; the MEC server receives an Attach Request message sent by a base station and forwards the Attach Request message to a Mobile Management Entity (MME); the MEC server extracts the IMSI of the user terminal from the Attach Request message; and the MEC server receives the attachment acceptance message sent by the MME and forwards the attachment acceptance message to the base station.
In some embodiments, the MEC server extracting the IMSI of the user terminal from the Attach Request message includes: if the Attach Request message does not carry the IMSI of the user terminal, the MEC server sends an identification Request Identity Request simulation message to the base station to Request to report the IMSI of the user terminal; and the MEC server receives an identification Response message sent by the base station, wherein the identification Response message carries the IMSI of the user terminal.
In some embodiments, the obtaining, by the multi-access edge computing MEC server, the international mobile subscriber identity IMSI of the user terminal includes: under the condition that the NAS encrypts the IMSI, the MEC server inquires binding information between the IP address of the user terminal and the IMSI from the capability open system; the MEC server uses the IMSI of the user terminal to correlate the traffic data transmitted through the S1-U interface, so that the counting of the traffic data transmitted by the user terminal through the S1-U interface comprises the following steps: and the MEC server associates the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by utilizing the association relation between the IP address of the user terminal and the traffic data in the S1-U interface.
According to another aspect of an embodiment of the present disclosure, there is provided an MEC server including: the IMSI acquisition module is configured to acquire an International Mobile Subscriber Identity (IMSI) of the user terminal; and the traffic counting module is configured to correlate the traffic data transmitted through the S1-U interface by using the IMSI of the user terminal so as to count the traffic data transmitted through the S1-U interface by the user terminal.
In some embodiments, the IMSI acquisition module is configured to: and under the condition that the non-access stratum (NAS) does not encrypt the IMSI, initiating a re-attachment process to the user terminal so as to acquire the IMSI of the user terminal.
In some embodiments, the IMSI acquisition module is configured to: sending a Detach Request simulation message to a base station of a user terminal, and reattaching Re-Attach by a Detach Type of the Detach Request simulation message; receiving a Detach Accept message sent by a base station; receiving an Attach Request message sent by a base station, and forwarding the Attach Request message to a Mobile Management Entity (MME); extracting the IMSI of the user terminal from the Attach Request message; and receiving an attachment acceptance message sent by the MME and forwarding the attachment acceptance message to the base station.
In some embodiments, the IMSI acquisition module is configured to: if the Attach Request message does not carry the IMSI of the user terminal, sending an identification Request Identity Request analog message to the base station, and requesting to report the IMSI of the user terminal; and receiving an Identity Response message sent by the base station, wherein the Identity Response message carries the IMSI of the user terminal.
In some embodiments, the IMSI acquisition module is configured to: under the condition that the NAS encrypts the IMSI, inquiring binding information between the IP address of the user terminal and the IMSI from the capability open system; the traffic statistics module is configured to: and associating the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by utilizing the association relationship between the IP address of the user terminal and the traffic data in the S1-U interface.
According to another aspect of the disclosed embodiments, there is provided a traffic statistic apparatus, including: a memory; and a processor coupled to the memory, the processor configured to perform the aforementioned flow statistics method based on instructions stored in the memory.
According to still another aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, where the computer-readable storage medium stores computer instructions, and the instructions, when executed by a processor, implement the foregoing traffic statistic method.
The method and the device can acquire the IMSI of the user terminal through the MEC server, thereby counting the flow data of the user terminal under the condition of not transforming the existing network element.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings may be obtained according to the drawings without inventive labor.
Fig. 1 shows a flow chart of a traffic statistic method according to an embodiment of the present disclosure.
Fig. 2 shows a flowchart of the MEC server obtaining the IMSI of the user terminal.
Fig. 3 is a flow chart of a traffic statistic method according to another embodiment of the disclosure.
Fig. 4 shows a schematic structural diagram of a flow statistic device according to an embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of a flow statistic device according to another embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The inventor researches and discovers that since the user does not carry the IMSI when the user is not initially attached, the MEC server cannot count the traffic data based on the IMSI of the user terminal, and thus cannot realize charging based on the user terminal.
One embodiment of the disclosed traffic statistic method is described below in conjunction with fig. 1.
Fig. 1 shows a flow chart of a traffic statistic method according to an embodiment of the present disclosure. As shown in fig. 1, the flow rate statistical method in this embodiment includes steps S102 to S104.
In step S102, the multi-access edge computing MEC server obtains the international mobile subscriber identity IMSI of the user terminal. And under the condition that the non-access stratum (NAS) does not encrypt the IMSI, the MEC server initiates a reattachment process to the user terminal to acquire the IMSI of the user terminal.
In step S104, the MEC server uses the IMSI of the user terminal to correlate the traffic data transmitted through the S1-U interface so as to count the traffic data transmitted by the user terminal through the S1-U interface.
The embodiment can acquire the IMSI of the user terminal which is not encrypted by the NAS through the MEC server, so that the traffic data of the user terminal can be counted under the condition that the existing network element is not modified.
The detailed process of the MEC server obtaining the IMSI of the user terminal is described below with reference to fig. 2.
Fig. 2 shows a flowchart of the MEC server obtaining the IMSI of the user terminal. As shown in fig. 2, initiating a reattachment procedure to the user terminal by the MEC server to acquire the IMSI of the user terminal includes steps S201 to S209.
In step S201, the MEC server transmits a Detach Request mimic message to the base station of the user terminal, and the Detach Type of the Detach Request mimic message reattaches the Re-Attach.
The Detach Request message may be emulated in the MEC server. The simulated Detach Request message is the same as the Detach Request message sent by the MME to the base station in form, and the simulated message carries a GUTI (global Unique Temporary user equipment Identity) of the user terminal to indicate the user terminal to reattach. The GUTI of the ue may be obtained from a history Attach Request message and a Service Request message sent by the ue to the MME. When the user is in the active state, the base station and the user terminal do not know that the message is an analog message, and the Detach Request analog message is determined to be sent by the MME, so that the Detach Accept Detach message is sent to the MEC server.
In step S202, the MEC server receives the Detach Accept message transmitted by the base station.
In step S203, the MEC server receives an Attach Request message transmitted by the base station.
In step S204, the MEC server extracts the IMSI of the user terminal from the Attach Request message.
If the Attach Request message carries the IMSI of the user terminal, step S207 may be directly executed; if the Attach Request message does not carry the IMSI of the ue, step S205 to step S206 need to be executed before step S207 is executed.
In step S205, the MEC server sends an Identity Request identifier Request analog message to the base station, requesting to report the IMSI of the user terminal.
The Identity Request message may be emulated in the MEC server. The simulated Identity Request message is the same as the Identity Request message sent by the MME to the base station in form, and the simulated message carries a GUTI (global Unique Temporary user equipment Identity) of the user terminal to indicate that the user reports the IMSI. The base station and the user terminal do not know that the message is an analog message, the Identity Request analog message is determined to be sent by the MME, and then an Identity Response message is sent to the MEC server.
In step S206, the MEC server receives an Identity Response message sent by the base station, where the Identity Response message carries the IMSI of the ue.
In step S207, the MEC server forwards the Attach Request message to the mobility management entity MME.
In step S208, the MEC server receives the attach accept message sent by the MME.
In step S209, the MEC server forwards the attach accept message to the base station.
In the above embodiment, obtaining the IMSI of the NAS unencrypted user terminal is achieved by simulating the Detach Request message and the Identity Request message by the MEC server.
Another embodiment of the disclosed traffic statistic method is described below in conjunction with fig. 3.
Fig. 3 is a flow chart of a traffic statistic method according to another embodiment of the disclosure. As shown in fig. 3, the traffic flow statistical method in the present embodiment includes steps S302 to S304.
In step S302, the multi-access edge computing MEC server obtains an international mobile subscriber identity IMSI of the user terminal. In case of NAS-encrypted IMSI, the MEC server queries binding information between the IP address of the user terminal and the IMSI from the capability openness system.
For example, the MEC server may obtain, in real time, the binding information between the IP address and the IMSI of the user terminal from a capability open system such as PCRF (Policy and Charging Rules Function), DRA (Diameter Routing Agent), or DPA (Deep Packet Inspection, Deep Packet analysis).
In step S304, the MEC server associates the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by using the association relationship between the IP address of the user terminal and the traffic data in the S1-U interface.
When the base station sends user data to SAE-GW (System Architecture Evolution Gateway), the base station carries the IP Address of the terminal user, and the PDN Address in the Attach Access message sent to the base station by the MME is monitored at the S1-MME interface, so that the IP Address of the terminal user can also be obtained. The MEC server can associate the data traffic transmitted through the S1-MME interface and the S1-U interface according to the IP address of the user. Then, the MEC server uses the IMSI information matched with the IP address of the user terminal through the user terminal to further associate the IMSI of the user terminal with the traffic data transmitted through the S1-U interface, so as to know to which end user the data traffic transmitted in the S1-U interface belongs.
The embodiment can associate the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by virtue of the binding relationship between the IP address of the user terminal and the IMSI on the basis that the data traffic transmitted through the S1-MME interface and the S1-U interface is associated through the IP address of the user terminal, so that the traffic data of the user terminal can be counted without modifying the existing network element.
The flow statistics apparatus of one embodiment of the present disclosure is described below with reference to fig. 4.
Fig. 4 shows a schematic structural diagram of a flow statistic device according to an embodiment of the present disclosure. As shown in fig. 3, the flow rate statistic device 40 of this embodiment includes:
an IMSI acquisition module 402 configured to acquire an international mobile subscriber identity IMSI of a user terminal;
and the traffic statistic module 404 is configured to correlate the traffic data transmitted through the S1-U interface by using the IMSI of the user terminal so as to perform statistics on the traffic data transmitted through the S1-U interface by the user terminal.
The embodiment can acquire the IMSI of the user terminal which is not encrypted by the NAS through the MEC server, so that the traffic data of the user terminal can be counted under the condition that the existing network element is not modified.
In some embodiments, IMSI acquisition module 402 is configured to: and under the condition that the non-access stratum (NAS) does not encrypt the IMSI, initiating a re-attachment process to the user terminal so as to acquire the IMSI of the user terminal.
In some embodiments, IMSI acquisition module 402 is configured to: sending a Detach Request simulation message to a base station of a user terminal, and reattaching Re-Attach by a Detach Type of the Detach Request simulation message; receiving a Detach Accept message sent by a base station; receiving an Attach Request message sent by a base station, and forwarding the Attach Request message to a Mobile Management Entity (MME); extracting the IMSI of the user terminal from the Attach Request message; and receiving an attachment acceptance message sent by the MME and forwarding the attachment acceptance message to the base station.
In some embodiments, IMSI acquisition module 402 is configured to: if the Attach Request message does not carry the IMSI of the user terminal, sending an identification Request Identity Request simulation message to the base station, and requesting to report the IMSI of the user terminal; and receiving an Identity Response message sent by the base station, wherein the Identity Response message carries the IMSI of the user terminal.
In the above embodiment, obtaining the IMSI of the NAS unencrypted user terminal is achieved by simulating the Detach Request message and the Identity Request message by the MEC server.
In some embodiments, IMSI acquisition module 402 is configured to: under the condition that the NAS encrypts the IMSI, inquiring binding information between the IP address of the user terminal and the IMSI from the capability open system; the traffic statistics module 404 is configured to: and associating the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by utilizing the association relationship between the IP address of the user terminal and the traffic data in the S1-U interface.
The embodiment can associate the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by virtue of the binding relationship between the IP address of the user terminal and the IMSI on the basis that the data traffic transmitted through the S1-MME interface and the S1-U interface is associated through the IP address of the user terminal, so that the traffic data of the user terminal can be counted without modifying the existing network element.
Fig. 5 is a schematic structural diagram of a flow statistic device according to another embodiment of the present disclosure. As shown in fig. 5, the flow rate statistic device 50 of this embodiment includes: a memory 510 and a processor 520 coupled to the memory 510, the processor 520 configured to perform a traffic statistic method in any of the embodiments described above based on instructions stored in the memory 510.
The present disclosure also includes a computer readable storage medium having stored thereon computer instructions that, when executed by a processor, implement the flow statistics method of any of the foregoing embodiments.
As will be appreciated by one of skill in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, so that any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. A traffic statistic method, comprising:
a multi-access edge computing MEC server acquires an International Mobile Subscriber Identity (IMSI) of a user terminal;
the MEC server associates the traffic data transmitted through the S1-U interface by using the IMSI of the user terminal so as to count the traffic data transmitted by the user terminal through the S1-U interface;
wherein, the obtaining of the international mobile subscriber identity IMSI of the user terminal by the multi-access edge computing MEC server includes:
and under the condition that the IMSI is not encrypted by the non-access stratum NAS, the MEC server initiates a re-attachment process to the user terminal so as to acquire the IMSI of the user terminal.
2. The traffic counting method according to claim 1, wherein the MEC server initiating a reattachment procedure to the user terminal to obtain the IMSI of the user terminal comprises:
the MEC server sends a Detach Request simulation message to a base station of a user terminal, wherein the Detach Type of the Detach Request simulation message Re-attaches Re-Attach;
the MEC server receives a Detach Accept message sent by the base station;
the MEC server receives an Attach Request message sent by the base station and forwards the Attach Request message to a Mobile Management Entity (MME);
the MEC server extracts the IMSI of the user terminal from the Attach Request message;
and the MEC server receives the attachment acceptance message sent by the MME and forwards the attachment acceptance message to the base station.
3. The traffic statistic method according to claim 2, wherein said MEC server extracting IMSI of user terminal from Attach Request message comprises:
if the Attach Request message does not carry the IMSI of the user terminal, the MEC server sends an identification Request Identity Request simulation message to the base station to Request to report the IMSI of the user terminal;
and the MEC server receives an Identity Response message sent by the base station, wherein the Identity Response message carries the IMSI of the user terminal.
4. The traffic statistic method according to claim 1,
the obtaining of the international mobile subscriber identity IMSI of the user terminal by the multi-access edge computing MEC server includes: under the condition that the NAS encrypts the IMSI, the MEC server inquires binding information between the IP address of the user terminal and the IMSI from the capability open system;
the MEC server uses the IMSI of the user terminal to correlate the traffic data transmitted through the S1-U interface, so that the statistics of the traffic data transmitted by the user terminal through the S1-U interface comprises the following steps: and the MEC server associates the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by utilizing the association relation between the IP address of the user terminal and the traffic data in the S1-U interface.
5. An MEC server, comprising:
the IMSI acquisition module is configured to acquire an International Mobile Subscriber Identity (IMSI) of the user terminal;
the traffic counting module is configured to correlate the traffic data transmitted through the S1-U interface by using the IMSI of the user terminal so as to count the traffic data transmitted through the S1-U interface by the user terminal;
wherein the IMSI acquisition module is configured to:
and under the condition that the non-access stratum (NAS) does not encrypt the IMSI, initiating a re-attachment process to the user terminal to acquire the IMSI of the user terminal.
6. The MEC server of claim 5, wherein the IMSI acquisition module is configured to:
sending a Detach Request simulation message to a base station of a user terminal, wherein the Detach Type of the Detach Request simulation message Re-attaches Re-Attach;
receiving a Detach Accept message sent by the base station;
receiving an Attach Request message sent by the base station, and forwarding the Attach Request message to a Mobility Management Entity (MME);
extracting the IMSI of the user terminal from the Attach Request message;
and receiving an attachment acceptance message sent by the MME and forwarding the attachment acceptance message to the base station.
7. The MEC server of claim 6, wherein the IMSI acquisition module is configured to:
if the Attach Request message does not carry the IMSI of the user terminal, sending an identification Request Identity Request analog message to the base station, and requesting to report the IMSI of the user terminal;
and receiving an Identity Response message sent by the base station, wherein the Identity Response message carries the IMSI of the user terminal.
8. The MEC server of claim 5 wherein,
the IMSI acquisition module is configured to: under the condition that the NAS encrypts the IMSI, inquiring binding information between an IP address of the user terminal and the IMSI from the capability open system;
the traffic statistics module is configured to: and associating the IMSI of the user terminal with the traffic data transmitted through the S1-U interface by utilizing the association relationship between the IP address of the user terminal and the traffic data in the S1-U interface.
9. A flow statistics apparatus, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the flow statistics method of any of claims 1-4 based on instructions stored in the memory.
10. A computer readable storage medium, wherein the computer readable storage medium stores computer instructions which, when executed by a processor, implement the flow statistics method of any of claims 1-4.
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