CN111327507A - APN link load balancing realization method and system - Google Patents
APN link load balancing realization method and system Download PDFInfo
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- CN111327507A CN111327507A CN201811542425.XA CN201811542425A CN111327507A CN 111327507 A CN111327507 A CN 111327507A CN 201811542425 A CN201811542425 A CN 201811542425A CN 111327507 A CN111327507 A CN 111327507A
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- routing encapsulation
- server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/825—Involving tunnels, e.g. MPLS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/30—Types of network names
- H04L2101/375—Access point names [APN]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method and a system for realizing APN link load balancing, wherein the method comprises the steps of setting a plurality of general routing encapsulation servers, wherein the addresses of the servers are different from each other; establishing a plurality of general routing encapsulation tunnels for the communication between the vehicle machine and the general routing encapsulation server between the access point equipment and the general routing encapsulation server; when the vehicle machine initiates a communication request and requests to access the general routing encapsulation server through the access point equipment, the general routing encapsulation server balances load according to data volume and randomly allocates different server addresses to different vehicle machines through the access point equipment; the invention can play a role of data load sharing by configuring a plurality of GRE tunnels under one APN, reduces the pressure related to a server and a network, and can effectively improve the overall reliability.
Description
Technical Field
The invention relates to the field of communication and the field of computers, in particular to a method and a system for realizing APN link load balancing.
Background
Mobile communication is communication between mobile bodies, or communication between a mobile body and a fixed body. The mobile body can be a person or an object in a moving state such as an automobile, a train, a ship, a radio and the like, the mobile communication is developed towards personal communication at present, and becomes an important component of a global information highway after 21 century, and the development of the field of the mobile communication in China is particularly rapid. The APN is a network access technology, and is a parameter that must be configured when a mobile terminal accesses the internet, and it determines which access method the mobile terminal accesses the network through. There are many types of external networks that a mobile terminal user can access, for example: internet, WAP site, group enterprise intranet, and industry intranet. The range and access mode of different access points are different, and the network side needs to know which network the mobile terminal needs to access after activation, so as to allocate the IP of which network segment, and this needs to be distinguished by the APN, that is, the APN determines what network the mobile phone of the user accesses through which access mode.
At present, for the field of automobiles, a car machine is a mobile terminal device, and an existing car machine cannot perform data interaction with a server through a traditional wired or wireless network, and therefore, communication can be established with the server through the existing mobile communication network only by means of an APN technology.
Disclosure of Invention
In view of the above drawbacks of the prior art, the present invention provides a method and a system for implementing APN link load balancing to solve the above technical problems.
The invention provides a method for realizing APN link load balancing, which comprises the following steps:
setting a plurality of universal routing encapsulation servers, wherein the addresses of the servers are different from each other;
establishing a plurality of general routing encapsulation tunnels for the communication between the vehicle machine and the general routing encapsulation server between the access point equipment and the general routing encapsulation server;
further, when the vehicle machine initiates a communication request and requests to access the general routing encapsulation server through the access point device, the general routing encapsulation server balances loads according to the data volume and randomly allocates different server addresses to different vehicle machines through the access point device.
Further, the number of the generic routing encapsulation servers is consistent with the number of the generic routing encapsulation tunnels, and a generic routing encapsulation tunnel is arranged between each generic routing encapsulation server and the access point device.
Further, the generic routing encapsulation server is a cloud server.
Further, when the general routing encapsulation tunnel has communication failure, the vehicle machine is triggered to resend the communication request, different server addresses are distributed through the access point equipment, and communication is reestablished.
Further, the number of the general routing encapsulation tunnels is two.
The invention also provides an APN link load balancing system, which comprises:
the vehicle machine is used for communicating the vehicle with the service platform;
the access point equipment is used for providing network access of the vehicle machine;
the system comprises a plurality of general routing encapsulation servers, a plurality of routing encapsulation servers and a plurality of service platforms, wherein the addresses of the servers are different from one another;
the general routing encapsulation tunnel is arranged between the access point equipment and the general routing encapsulation server;
and each universal routing encapsulation server balances the load according to the data volume and randomly allocates different server addresses to different vehicle machines through the access point equipment.
Further, the number of the generic routing encapsulation servers is consistent with the number of the generic routing encapsulation tunnels, and a generic routing encapsulation tunnel is arranged between each generic routing encapsulation server and the access point device.
And the detection unit is used for detecting the communication condition, triggering the vehicle machine to resend the communication request when the detection unit detects that the communication fault occurs in the general routing encapsulation tunnel, and distributing different server addresses through the access point equipment to reestablish communication.
The invention also provides a computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method of any one of the above.
The present invention also provides an electronic terminal, comprising: a processor and a memory;
the memory is adapted to store a computer program and the processor is adapted to execute the computer program stored by the memory to cause the terminal to perform the method as defined in any one of the above.
The invention has the beneficial effects that: according to the APN link load balancing realization method and system, a plurality of GRE tunnels are configured under one APN, so that on one hand, a data load sharing effect can be achieved, the pressure related to a server and a network is reduced, on the other hand, the overall reliability can be effectively improved, when one GRE tunnel has a problem, a vehicle machine can redial to the other GRE tunnel, the normal development of services is ensured, and the disaster tolerance capability of the system is improved.
Drawings
Fig. 1 is a schematic diagram of a APN link load balancing system in an embodiment of the present invention.
Fig. 2 is a flowchart illustrating an implementation method for APN link load balancing in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an electronic terminal in an embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
In the following description, numerous details are set forth to provide a more thorough explanation of embodiments of the present invention, however, it will be apparent to one skilled in the art that embodiments of the present invention may be practiced without these specific details, and in other embodiments, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring embodiments of the present invention.
As shown in fig. 2, the method for implementing APN link load balancing in this embodiment includes:
setting a plurality of universal routing encapsulation servers, wherein the addresses of the servers are different from each other;
establishing a plurality of general routing encapsulation tunnels for the communication between the vehicle machine and the general routing encapsulation server between the access point equipment and the general routing encapsulation server;
when the vehicle machine initiates a communication request and requests to access the general routing encapsulation server through the access point equipment, the general routing encapsulation server balances load according to data volume and randomly allocates different server addresses to different vehicle machines through the access point equipment.
In this embodiment, an APN (Access Point Name) is a network Access technology, and is a parameter that must be configured when the mobile terminal passes through, and determines which Access method the mobile terminal passes through to Access the network. The access point device in this embodiment may determine the range and access mode that different access points can access, distinguish the IP address of the server accessed by the vehicle device through the APN, and configure a generic routing Encapsulation tunnel (GRE), where GRE is a generic routing Encapsulation protocol, and may encapsulate datagrams of some network layer protocols, so that these encapsulated datagrams can be transmitted in the IPv4 network. In the embodiment, a plurality of GRE tunnels are configured to realize load balancing of data volume, and different server addresses are randomly allocated to different vehicle machines through the access point device, so that data pressure of the server and a network is relieved.
In this embodiment, the number of the generic routing encapsulation servers is consistent with the number of the generic routing encapsulation tunnels, one generic routing encapsulation tunnel is provided between each generic routing encapsulation server and the access point device, preferably, the number of the generic routing encapsulation tunnels is two, two GRE tunnels are configured under one APN device, a GRE1 server and a GRE2 server are deployed on a public cloud host, and the two servers respectively establish GRE tunnels with the APN device. The vehicle machine A dials to APN equipment of an operator, the APN equipment randomly allocates an IP address of GRE1 to the vehicle machine A, and data on the vehicle machine A interacts with a back-end server through a GRE1 tunnel; similarly, the car machine B randomly assigns an IP address of GRE2, and performs data interaction with the backend server through a GRE2 tunnel, as shown in fig. 2.
In this embodiment, in order to improve the overall reliability, after a problem occurs in one GRE tunnel, the car machine may redial to another GRE tunnel to ensure normal development of the service, and preferably, a detection mechanism may be set, for example, when a communication failure occurs in the general routing encapsulation tunnel, the car machine is triggered to resend the communication request, a different server address is allocated by the access point device, and communication is reestablished.
Correspondingly, this embodiment further provides an APN link load balancing system, including:
the vehicle machine is used for communicating the vehicle with the service platform;
the system comprises a plurality of general routing encapsulation servers, a plurality of routing encapsulation servers and a plurality of service platforms, wherein the addresses of the servers are different from one another;
the general routing encapsulation tunnel is arranged between the access point equipment and the general routing encapsulation server;
and each universal routing encapsulation server balances the load according to the data volume and randomly allocates different server addresses to different vehicle machines through the access point equipment.
In this embodiment, the access point device may employ an existing APN device, such as an ISP APN device, and establish communication with the server via the 3G/4G and future 5G networks using the access point device.
The number of the generic routing encapsulation servers in this embodiment is the same as the number of the generic routing encapsulation tunnels, and a generic routing encapsulation tunnel is provided between each generic routing encapsulation server and the access point device.
Preferably, in this embodiment, the present invention further includes a detecting unit, configured to detect a communication condition, and when the detecting unit detects that a communication failure occurs in the generic routing encapsulation tunnel, trigger the car machine to resend the communication request, allocate a different server address through the access point device, and reestablish communication. And ensuring the normal development of the service.
As shown in fig. 2, in this embodiment, a GRE1 server and a GRE2 server may be deployed on a public cloud host, and the two servers respectively establish a GRE tunnel with an APN device. The vehicle machine A dials to APN equipment of an operator, the APN equipment randomly allocates an IP address of GRE1 to the vehicle machine A, and data on the vehicle machine A interacts with a back-end server through a GRE1 tunnel; similarly, the car machine B is randomly allocated to the IP address of GRE2, and performs data interaction with the back-end server through a GRE2 tunnel.
The generic routing encapsulation tunnel in this embodiment adopts a generic routing encapsulation protocol, which can encapsulate datagrams of some network layer protocols, so that these encapsulated datagrams can be transmitted in an IPv4 network, and defines a protocol for encapsulating any one network layer protocol on any other network layer protocol. In most conventional cases, a system has a payload (or payload) packet that needs to be encapsulated and sent to a certain destination. The payload is first encapsulated in a GRE packet, which is then encapsulated in some other protocol and forwarded. The sending protocol is also referred to as the sending protocol. When IPv4 is transported as a GRE payload, the protocol type field must be set to 0x 800. When a tunnel end point decapsulates the GRE packet containing IPv4 packet as payload, the destination address in the IPv4 header must be used to forward the packet and the TTL of the payload packet needs to be reduced. The routing under GRE adopts the routing originally used by IPv4, but the routing filtering remains unchanged.
The present embodiment also provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor implements any of the methods in the present embodiments.
The present embodiment further provides an electronic terminal, including: a processor and a memory;
the memory is used for storing computer programs, and the processor is used for executing the computer programs stored by the memory so as to enable the terminal to execute the method in the embodiment.
The computer-readable storage medium in the present embodiment can be understood by those skilled in the art as follows: all or part of the steps for implementing the above method embodiments may be performed by hardware associated with a computer program. The aforementioned computer program may be stored in a computer readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
As shown in fig. 3, the electronic terminal provided in this embodiment includes a processor, a memory, a transceiver, and a communication interface, where the memory and the communication interface are connected to the processor and the transceiver and perform mutual communication, the memory is used for storing a computer program, the communication interface is used for performing communication, and the processor and the transceiver are used for running the computer program, so that the electronic terminal performs the steps of the above method.
In this embodiment, the Memory may include a Random Access Memory (RAM), and may also include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
Note that in the corresponding figures of embodiments, where signals are represented by lines, some lines are thicker, to indicate more constituent signal paths (constituent _ signal paths) and/or one or more ends of some lines have arrows, to indicate primary information flow direction, these designations are not intended to be limiting, and indeed, the use of such lines in connection with one or more example embodiments facilitates easier circuit or logic unit routing, and any represented signal (as determined by design requirements or preferences) may actually comprise one or more signals that may be conveyed in either direction and may be implemented in any suitable type of signal scheme.
Unless otherwise specified the use of the ordinal adjectives "first", "second", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
Reference in the specification to "an embodiment," "one embodiment," "some embodiments," or "other embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least some embodiments, but not necessarily all embodiments. The various appearances of "an embodiment," "one embodiment," or "some embodiments" are not necessarily all referring to the same embodiments. If the specification states a component, feature, structure, or characteristic "may", "might", or "could" be included, that particular component, feature, structure, or characteristic is not necessarily included. If the specification or claim refers to "a" or "an" element, that does not mean there is only one of the element. If the specification or claim refers to "a further" element, that does not preclude there being more than one of the further element.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory structures (e.g., dynamic ram (dram)) may use the discussed embodiments. The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A method for implementing APN link load balancing is characterized by comprising the following steps:
setting a plurality of universal routing encapsulation servers, wherein the addresses of the servers are different from each other;
establishing a plurality of general routing encapsulation tunnels for the communication between the vehicle machine and the general routing encapsulation server between the access point equipment and the general routing encapsulation server;
when the vehicle machine initiates a communication request and requests to access the general routing encapsulation server through the access point equipment, the general routing encapsulation server balances load according to data volume and randomly allocates different server addresses to different vehicle machines through the access point equipment.
2. The method of claim 1, wherein the number of the generic routing encapsulation servers is the same as the number of the generic routing encapsulation tunnels, and a generic routing encapsulation tunnel is provided between each generic routing encapsulation server and the access point device.
3. The method of claim 1, wherein the generic routing encapsulation server is a cloud server.
4. The method of claim 2, wherein when the generic routing encapsulation tunnel fails in communication, a car machine is triggered to resend the communication request, and different server addresses are assigned by the access point device to reestablish communication.
5. The method of claim 2, wherein the number of generic routing encapsulation tunnels is two.
6. An APN link load balancing system, comprising:
the vehicle machine is used for communicating the vehicle with the service platform;
the access point equipment is used for providing network access of the vehicle machine;
the system comprises a plurality of general routing encapsulation servers, a plurality of routing encapsulation servers and a plurality of service platforms, wherein the addresses of the servers are different from one another;
the general routing encapsulation tunnel is arranged between the access point equipment and the general routing encapsulation server;
and each universal routing encapsulation server balances the load according to the data volume and randomly allocates different server addresses to different vehicle machines through the access point equipment.
7. The APN link load balancing system of claim 6, wherein the number of the generic routing encapsulation servers is the same as the number of the generic routing encapsulation tunnels, and one generic routing encapsulation tunnel is provided between each generic routing encapsulation server and the access point device.
8. The APN link load balancing system of claim 6, further comprising a detection unit, configured to detect a communication status, and when the detection unit detects that a communication failure occurs in the generic routing encapsulation tunnel, trigger the car machine to resend the communication request, assign a different server address through the access point device, and reestablish communication.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that: the program when executed by a processor implements the method of any one of claims 1 to 6.
10. An electronic terminal, comprising: a processor and a memory;
the memory is for storing a computer program and the processor is for executing the computer program stored by the memory to cause the terminal to perform the method of any of claims 1 to 6.
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| CN201811542425.XA CN111327507A (en) | 2018-12-17 | 2018-12-17 | APN link load balancing realization method and system |
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| CN201811542425.XA CN111327507A (en) | 2018-12-17 | 2018-12-17 | APN link load balancing realization method and system |
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Application publication date: 20200623 |