CN113141633A - 5G communication data packet forwarding method and terminal - Google Patents
5G communication data packet forwarding method and terminal Download PDFInfo
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- CN113141633A CN113141633A CN202110279473.XA CN202110279473A CN113141633A CN 113141633 A CN113141633 A CN 113141633A CN 202110279473 A CN202110279473 A CN 202110279473A CN 113141633 A CN113141633 A CN 113141633A
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- H—ELECTRICITY
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- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
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- H—ELECTRICITY
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Abstract
The invention discloses a 5G communication data packet forwarding method and a terminal, wherein the method comprises the following steps: the method comprises the following steps of operating a 5G communication user plane forwarding system by using N CPU cores in advance, and numbering the N CPU cores in sequence; receiving a data packet; if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address; if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address; and obtaining the IP address of the user as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing, so as to ensure that the user uplink data packet and the user downlink data packet of the same user are always distributed to the same CPU core for processing.
Description
Technical Field
The present invention relates to the field of 5G communication technologies, and in particular, to a 5G communication data packet forwarding method and a terminal.
Background
The fifth Generation mobile communication technology (5th Generation mobile networks or 5th Generation with less systems, 5th-Generation, 5G or 5G technology for short) is the latest Generation cellular mobile communication technology, and is also an extension following 4G (LTE-A, WiMax), 3G (UMTS, LTE) and 2G (gsm) systems. The performance goals of 5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity.
The 5G communication user plane forwarding refers to data packet forwarding of a 5G communication system user plane. The 5G communication system needs to support the forwarding of ultra-large-capacity data packets and the access of large-scale user equipment, and therefore a multi-core CPU (central processing unit) is required to be adopted to forward and process the data packets of a large number of users in parallel. With the increase of the number of the CPU cores, the forwarding capability of the 5G communication user plane is also enhanced; when the number of the CPU cores exceeds 10, the forwarding capability of the 5G communication user plane hardly increases with the increase of the number of the CPU cores, that is, when the number of the CPU cores exceeds 10, the increase of the number of the CPU cores does not effectively improve the forwarding capability of the 5G communication user plane.
As shown in fig. 1, taking the case that two CPU cores process and forward data packets of four users as an example, an arrow connecting line represents a processing relationship between the CPU core and the user data packet, which indicates which CPU core the data packet is in charge of processing and forwarding, in fig. 1, the fact that an arrow points from "CPU core 1" to "user 1" means that CPU core 1 participates in processing the data packet of user 1, and when ordinary multi-core processing and forwarding are performed, each CPU core participates in processing the data packets of four users; data packets of the same user (including user uplink data packets and user downlink data packets, where a user uplink data packet is a data packet sent by a user to another host, and a user downlink data packet is a data packet sent by another host to the user) are allocated to multiple CPU cores for processing.
The participation of multiple CPU cores in processing and forwarding packets of the same user can cause the following problems:
cache utilization of the CPU core becomes low; because the CPU core processes the forwarded user's packet, the user information is stored in the cache for high speed reading. If the caches corresponding to a plurality of CPU cores store a copy of user information, the utilization rate of the caches of the CPU cores is low, and the utilization rate is lower when the number of the CPU cores is larger.
Traffic statistics and billing for individual users becomes complex and inefficient. Since the traffic of a single user is processed and forwarded by a plurality of CPU cores, the user traffic statistics and charging on the plurality of CPU cores need to be summarized, and the more CPU cores, the less efficient the user traffic statistics and charging are summarized.
The above problems all result in that when the number of CPU cores exceeds 10 or more, the processing and forwarding capability of the 5G communication user plane hardly increases with the increase of the number of CPU cores.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention mainly aims to provide a 5G communication data packet forwarding method and a terminal, and aims to solve the problem that the forwarding capability of a 5G communication user plane cannot be effectively improved after the number of CPU cores is increased to a certain number in the prior art.
In order to achieve the above object, the present invention provides a 5G communication packet forwarding method, where the 5G communication packet forwarding method includes the following steps:
the method comprises the steps that N CPU cores are used in advance to run a 5G communication user plane forwarding system, and the N CPU cores are numbered as 0, 1, 2, …, (N-2) and (N-1) in sequence;
receiving a data packet, and judging whether the data packet is a user uplink data packet or a user downlink data packet;
if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address;
if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address;
and obtaining the IP address of the user as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing.
Optionally, in the method for forwarding a 5G communication data packet, N is a positive integer greater than or equal to 2.
Optionally, in the method for forwarding a 5G communication data packet, the user uplink data packet is a data packet sent by a user to another host.
Optionally, in the method for forwarding a 5G communication data packet, the user downlink data packet is a data packet sent by another host to a user.
Optionally, in the method for forwarding a 5G communication data packet, M is a four-byte integer.
Optionally, in the method for forwarding a 5G communication packet, a numerical range of M is 0-4294967295.
Optionally, in the method for forwarding a 5G communication packet, a value range of Q is 0- (N-1).
Optionally, in the method for forwarding a 5G communication data packet, the data packet is allocated to a CPU core numbered Q for forwarding, so as to ensure that a user uplink data packet and a user downlink data packet of the same user are always allocated to the same CPU core for processing.
In addition, to achieve the above object, the present invention further provides a terminal, wherein the terminal includes: the system comprises a memory, a processor and a 5G communication data packet forwarding program which is stored on the memory and can run on the processor, wherein when the 5G communication data packet forwarding program is executed by the processor, the steps of the 5G communication data packet forwarding method are realized.
In addition, to achieve the above object, the present invention further provides a computer readable storage medium, wherein the computer readable storage medium stores a 5G communication packet forwarding program, and the 5G communication packet forwarding program, when executed by a processor, implements the steps of the 5G communication packet forwarding method as described above.
The invention runs a 5G communication user plane forwarding system by using N CPU cores in advance, and the N CPU cores are numbered as 0, 1, 2, …, (N-2) and (N-1) in sequence; receiving a data packet, and judging whether the data packet is a user uplink data packet or a user downlink data packet; if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address; if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address; and obtaining the IP address of the user as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing. The invention distributes the data packet source of the same user to the same CPU core for processing, so that the user information only needs to be stored in the high-speed cache of the CPU core, and the utilization rate of the high-speed cache is improved; meanwhile, the flow statistics and charging of a single user can be realized on a single CPU core, and finally the processing and forwarding capacity of the 5G communication user plane is increased along with the increase of the number of the CPU cores.
Drawings
FIG. 1 is a schematic diagram of two CPU cores processing packets for forwarding four users;
FIG. 2 is a flow chart of a preferred embodiment of a 5G communication packet forwarding method of the present invention;
fig. 3 is a schematic diagram illustrating that the source of the data packet of the same user is allocated to the same CPU core in the preferred embodiment of the 5G communication data packet forwarding method of the present invention;
fig. 4 is a schematic operating environment of a terminal according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 2 and fig. 3, the method for forwarding a 5G communication data packet according to a preferred embodiment of the present invention includes the following steps:
and step S10, operating the 5G communication user plane forwarding system by using N CPU cores in advance, and numbering the N CPU cores as 0, 1, 2, …, (N-2) and (N-1) in sequence.
Specifically, the 5G communication user plane forwarding system is operated in advance using N CPU cores, where N is a positive integer greater than or equal to 2, and the N CPU cores are numbered sequentially as 0, 1, 2, …, (N-2), and (N-1), for example, when N is 11, 11 CPU cores are numbered sequentially as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
Step S20, receiving a data packet, and determining that the data packet is a user uplink data packet or a user downlink data packet.
Specifically, after receiving a data packet, it is first determined whether the data packet is a user uplink data packet or a user downlink data packet, where the user uplink data packet is a data packet sent by a user to another host, and the user downlink data packet is a data packet sent by another host to the user.
Step S30, if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address.
Specifically, the user uplink data packet is sent to other hosts by a user, so that the source IP address of the user uplink data packet is the user IP address, and when the data packet is the user uplink data packet, the source IP address in the user uplink data packet is read, and the source IP address is recorded as the user IP address.
Step S40, if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address.
Specifically, the user downlink data packet is sent to the user by other hosts, so that the destination IP address of the user downlink data packet is the user IP address, and when the data packet is the user downlink data packet, the destination IP address in the user downlink data packet is read, and the destination IP address is recorded as the user IP address.
And step S50, obtaining the user IP address as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing.
Specifically, the user IP address is obtained as M, where M is a four-byte integer, and the numerical range of M is 0-4294967295; calculating the remainder of dividing M by N and recording the remainder as Q, wherein Q corresponds to a CPU core number, the numerical range of Q is 0- (N-1), namely Q is one of N CPU cores; and then distributing the data packet to a CPU core with the number of Q for forwarding processing, and distributing a user uplink data packet and a user downlink data packet of the same user to the same CPU core for processing all the time. For example, when the user a communicates with the outside and the source tracing distribution forwarding refers to that the multi-core CPU forwards bidirectional communication data packets (user uplink data packets and user downlink data packets) outside the user a, the CPU cores for processing the data packets are always the same.
The invention distributes the data packet (including user uplink data packet and user downlink data packet) of the same user to the same CPU core for processing, so that the user information only needs to be stored in the cache of one CPU core, thereby improving the utilization rate of the cache; meanwhile, the flow statistics and charging of a single user can be realized on a single CPU core; finally, the processing and forwarding capacity of the 5G communication user plane is increased along with the increase of the number of CPU cores.
Further, as shown in fig. 4, based on the above 5G communication data packet forwarding method, the present invention also provides a terminal, where the terminal includes a processor 10, a memory 20, and a display 30. Fig. 4 shows only some of the components of the terminal, but it is to be understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead.
The memory 20 may in some embodiments be an internal storage unit of the terminal, such as a hard disk or a memory of the terminal. The memory 20 may also be an external storage device of the terminal in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the terminal. Further, the memory 20 may also include both an internal storage unit and an external storage device of the terminal. The memory 20 is used for storing application software installed in the terminal and various types of data, such as program codes of the installation terminal. The memory 20 may also be used to temporarily store data that has been output or is to be output. In an embodiment, the memory 20 stores a 5G communication packet forwarding program 40, and the 5G communication packet forwarding program 40 is executable by the processor 10, so as to implement the 5G communication packet forwarding method in this application.
The processor 10 may be, in some embodiments, a Central Processing Unit (CPU), a microprocessor or other data Processing chip, and is configured to execute program codes stored in the memory 20 or process data, for example, execute the 5G communication packet forwarding method.
The display 30 may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch panel, or the like in some embodiments. The display 30 is used for displaying information at the terminal and for displaying a visual user interface. The components 10-30 of the terminal communicate with each other via a system bus.
In one embodiment, when the processor 10 executes the 5G communication packet forwarding program 40 in the memory 20, the following steps are implemented:
the method comprises the steps that N CPU cores are used in advance to run a 5G communication user plane forwarding system, and the N CPU cores are numbered as 0, 1, 2, …, (N-2) and (N-1) in sequence;
receiving a data packet, and judging whether the data packet is a user uplink data packet or a user downlink data packet;
if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address;
if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address;
and obtaining the IP address of the user as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing.
Optionally, in the method for forwarding a 5G communication data packet, N is a positive integer greater than or equal to 2.
Optionally, in the method for forwarding a 5G communication data packet, the user uplink data packet is a data packet sent by a user to another host.
Optionally, in the method for forwarding a 5G communication data packet, the user downlink data packet is a data packet sent by another host to a user.
Optionally, in the method for forwarding a 5G communication data packet, M is a four-byte integer.
Optionally, in the method for forwarding a 5G communication packet, a numerical range of M is 0-4294967295.
Optionally, in the method for forwarding a 5G communication packet, a value range of Q is 0- (N-1).
Optionally, in the method for forwarding a 5G communication data packet, the data packet is allocated to a CPU core numbered Q for forwarding, so as to ensure that a user uplink data packet and a user downlink data packet of the same user are always allocated to the same CPU core for processing.
The present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores a 5G communication packet forwarding program, and when the 5G communication packet forwarding program is executed by a processor, the 5G communication packet forwarding program implements the steps of the 5G communication packet forwarding method described above.
In summary, the present invention provides a 5G communication data packet forwarding method and a terminal, where the method includes: the method comprises the steps that N CPU cores are used in advance to run a 5G communication user plane forwarding system, and the N CPU cores are numbered as 0, 1, 2, …, (N-2) and (N-1) in sequence; receiving a data packet, and judging whether the data packet is a user uplink data packet or a user downlink data packet; if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address; if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address; and obtaining the IP address of the user as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing. The invention distributes the data packet source of the same user to the same CPU core for processing, so that the user information only needs to be stored in the high-speed cache of the CPU core, and the utilization rate of the high-speed cache is improved; meanwhile, the flow statistics and charging of a single user can be realized on a single CPU core, and finally the processing and forwarding capacity of the 5G communication user plane is increased along with the increase of the number of the CPU cores.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by instructing relevant hardware (such as a processor, a controller, etc.) through a computer program, and the program can be stored in a computer readable storage medium, and when executed, the program can include the processes of the embodiments of the methods described above. The computer readable storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A method for forwarding 5G communication data packets is characterized in that the method for forwarding the 5G communication data packets comprises the following steps:
the method comprises the steps that N CPU cores are used in advance to run a 5G communication user plane forwarding system, and the N CPU cores are numbered as 0, 1, 2, …, (N-2) and (N-1) in sequence;
receiving a data packet, and judging whether the data packet is a user uplink data packet or a user downlink data packet;
if the data packet is a user uplink data packet, reading a source IP address in the user uplink data packet, and recording the source IP address as a user IP address;
if the data packet is a user downlink data packet, reading a destination IP address in the user downlink data packet, and recording the destination IP address as a user IP address;
and obtaining the IP address of the user as M, calculating the remainder of dividing M by N as Q, wherein Q corresponds to a CPU core number, and distributing the data packet to the CPU core with the number of Q for forwarding processing.
2. The 5G communication data packet forwarding method according to claim 1, wherein N is a positive integer greater than or equal to 2.
3. The 5G communication data packet forwarding method according to claim 1, wherein the user uplink data packet is a data packet sent by a user to another host.
4. The 5G communication data packet forwarding method according to claim 1, wherein the user downlink data packet is a data packet sent to a user by another host.
5. The method of claim 2, wherein M is a four byte integer.
6. The 5G communication data packet forwarding method according to claim 5, wherein the value range of M is 0-4294967295.
7. The 5G communication packet forwarding method of claim 5, wherein Q has a value in the range of 0- (N-1).
8. The 5G communication data packet forwarding method according to claim 1, wherein the data packet is allocated to a CPU core with the number Q for forwarding processing, so as to ensure that a user uplink data packet and a user downlink data packet of the same user are always allocated to the same CPU core for processing.
9. A terminal, characterized in that the terminal comprises: a memory, a processor and a 5G communication packet forwarding program stored on the memory and executable on the processor, the 5G communication packet forwarding program implementing the steps of the 5G communication packet forwarding method according to any one of claims 1 to 8 when executed by the processor.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores a 5G communication packet forwarding program, and the 5G communication packet forwarding program, when executed by a processor, implements the steps of the 5G communication packet forwarding method according to any one of claims 1 to 8.
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