CN113986552B - A multi-link load balancing method and system - Google Patents

A multi-link load balancing method and system Download PDF

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Publication number
CN113986552B
CN113986552B CN202111294469.7A CN202111294469A CN113986552B CN 113986552 B CN113986552 B CN 113986552B CN 202111294469 A CN202111294469 A CN 202111294469A CN 113986552 B CN113986552 B CN 113986552B
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information
access
link
flow
model
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CN113986552A (en
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邹长云
王敏红
饶伟
杜雅红
李井鑫
郭刚
张毅
徐克佳
刘彦宁
赵龙
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Sinorail Hongyuan Beijing Software Technology Co ltd
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Sinorail Hongyuan Beijing Software Technology Co ltd
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/50Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/505Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the load
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/54Interprogram communication
    • G06F9/546Message passing systems or structures, e.g. queues

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention relates to the technical field of communication, in particular to a multilink load balancing method and a system, wherein the method comprises the steps of obtaining access flow information of a user and a preset static load balancing algorithm; the method comprises the steps of classifying traffic, obtaining classified traffic information by using a traffic classified model, determining whether a link accessed by the traffic meets a required model or not by using the classified traffic information, obtaining link information for meeting the traffic access requirement, and balancing the traffic load to the healthy server or client to obtain access result information of the server or client. It can be understood that the invention realizes high availability, high security and expandability of the server by using the local load balancing and application optimizing equipment, realizes reasonable distribution of data streams and makes full use of all data centers, links and servers.

Description

Multilink load balancing method and system
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for balancing a multi-link load.
Background
With the change of globalization of enterprises, the demand for high availability of applications accessed anytime and anywhere is also gradually increasing. For the internet banking of the bank, users are gradually distributed around the world, and with the time zone switching, users may be available anytime within 24 hours. For an internationally large enterprise, the rest time of one area is just the working time of the other area. In the mode of globalization work, the production efficiency of enterprises is also greatly improved. Meanwhile, the requirement on the high availability of the application system of the enterprise is also improved to a very high level, and under the condition of the requirement on the high availability of the application system of the enterprise, the problems of packet loss, delay and the like are caused by interconnection and intercommunication, so that the access speed of a user is greatly influenced.
Disclosure of Invention
The present invention is directed to a method and a system for balancing multi-link load, so as to improve the above-mentioned problems. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in one aspect, the present application provides a method for balancing a multi-link load, the method comprising:
acquiring first information, wherein the first information is access flow information of a user and a preset static load balancing algorithm;
the first information is sent to a first model to be processed to obtain second information, wherein the first model is a model for classifying the flow, and the second information is classified flow information;
The second information is sent to a second model to be processed to obtain third information, the second model is used for determining whether a link of flow access meets the requirement or not for the classified flow information, and the third information is link information meeting the flow access requirement;
And sending the first information and the third information to a third model to obtain fourth information, wherein the fourth model is a model for balancing the traffic load to the healthy server or client, and the fourth information is access result information of the server or client.
Optionally, the sending the first information to the first model to obtain the second information includes:
Classifying the access flow information of the user in the first information to obtain access flow information of an intranet user side and access flow information of an extranet user side;
And respectively carrying out domain name resolution on the access flow information of the intranet user side and the access flow information of the extranet user side to obtain domain name information of at least one classified flow.
Optionally, the sending the second information to the second model to obtain third information includes:
obtaining access cache records of domain name information of the classified flow in a local cache;
Judging the health condition of the link where the flow is located according to whether the link can access in the access cache record, and processing the healthy link where the classified flow is located by adopting a preset static load balancing algorithm to obtain time interval information of reversely sending a query request to an LDNS (Low Density network) to receive a response and the IP address of the domain name in a certain time;
Acquiring a first threshold value, namely reversely sending a query request to a threshold value of time interval information of response received by the LDNS for the third model;
And comparing the first threshold value with the time interval information, and marking the link information of the time interval information which is larger than the first threshold value as the link information which reaches the requirement.
Optionally, the sending the first information and the third information to the third model to obtain fourth information includes:
invoking the flow of the access flow information of the intranet user side and the flow of the access flow information of the extranet user side in the second information;
initiating a connection request to the IP address of the domain name, and balancing the traffic load of the access traffic information of the external network user side to a client side to obtain access result information of the client side;
Respectively distributing the flow of the access flow information of the intranet user side to the link information reaching the requirement;
and after the IP address of the domain name is converted into a public network address of a corresponding ISP network segment, the traffic is sent to an internal server, and access result information of the internal server is obtained.
Optionally, the sending the second information to the second model to obtain third information through processing, further includes:
Marking the link information of the time interval information which is less than or equal to the first threshold value as the link information which does not reach the requirement;
Shielding the link information which does not meet the requirement through a firewall, and sending a first command, wherein the first command is to establish a backup link in backup load balancing equipment;
and sending the access flow information of the links which do not meet the requirements to the backup links for transmission, marking the access flow information of the links which do not meet the requirements, and sending a command for maintaining the access flow information links to communication equipment of maintenance personnel.
In another aspect, the present application provides a multi-link load balancing system, the system comprising:
The first acquisition unit is used for acquiring first information, wherein the first information is access flow information of a user and a preset static load balancing algorithm;
The first processing unit is used for sending the first information to a first model to be processed to obtain second information, wherein the first model is a model for classifying the flow, the second information is classified flow information;
The second processing unit is used for sending the second information to a second model to process to obtain third information, the second model is used for determining whether the link of the flow access reaches the requirement or not according to the classified flow information, and the third information is the link information meeting the flow access requirement;
And the third processing unit is used for sending the first information and the third information to a third model to obtain fourth information, wherein the fourth model is a model for balancing the traffic load to the healthy server or client, and the fourth information is access result information of the server or client.
Optionally, the system comprises:
The first processing subunit is used for classifying the access flow information of the user in the first information to obtain the access flow information of the intranet user side and the access flow information of the extranet user side;
And the second processing subunit is used for respectively carrying out domain name resolution on the access flow information of the intranet user side and the access flow information of the extranet user side to obtain domain name information of at least one classified flow.
Optionally, the system comprises:
The first acquisition subunit is used for acquiring access cache records of domain name information of the classified flow in the local cache;
The third processing subunit is configured to determine, according to whether the link in the access cache record can access the link in which the traffic is located, and process the healthy link in which the classified traffic is located by using a preset static load balancing algorithm, so as to obtain time interval information from when the third model reversely sends a query request to when the LDNS receives a response and an IP address of the domain name within a certain time;
The second obtaining subunit is used for obtaining a first threshold value and reversely sending a query request to a threshold value of time interval information of response received by the LDNS for the third model;
And the fourth processing subunit is used for comparing the first threshold value with the time interval information and marking the link information of the time interval information which is larger than the first threshold value as the link information which reaches the requirement.
Optionally, the system comprises:
A fifth processing subunit, configured to invoke the flow of the access flow information of the intranet user side and the flow of the access flow information of the extranet user side in the second information;
A sixth processing subunit, configured to initiate a connection request to an IP address of the domain name, and obtain access result information of the client by balancing a traffic load of access traffic information of the external network client to the client;
a seventh processing subunit, configured to allocate the traffic of the access traffic information of the intranet user side to the link information reaching the requirement, respectively;
and the first sending subunit is used for converting the IP address of the domain name into a public network address of a corresponding ISP network segment, and then sending the flow to an internal server to obtain access result information of the internal server.
Optionally, the system further comprises:
a fourth processing unit configured to mark link information of time interval information smaller than or equal to the first threshold value as link information that does not meet a requirement;
the fifth processing unit is used for shielding the link information which does not reach the requirement through a firewall and sending a first command, wherein the first command is to establish a backup link in the backup load balancing equipment;
And the first sending unit is used for sending the access flow information of the link which does not reach the requirement to the backup link for transmission, marking the access flow information of the link which does not reach the requirement, and sending a command for maintaining the access flow information link to communication equipment of maintenance personnel.
The beneficial effects of the invention are as follows:
It can be understood that the invention realizes high availability, high security and expandability of the server by using the local load balancing and application optimizing equipment, realizes reasonable distribution of data streams and makes full use of all data centers, links and servers. The system not only expands the whole processing capacity of the application system and improves the stability of the application system, but also can truly improve the access experience of users and reduce the IT investment cost of organizations, and a plurality of servers are arranged to monitor the health condition of the servers in real time, if a certain server fails, the server can be cleared in a service queue, so that the normal access application of the users is ensured, and the correctness of the response content is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a method for balancing multi-link load according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a multi-link load balancing device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1, the present embodiment provides a multi-link load balancing method, which includes step S1, step S2, step S3, and step S4.
S1, acquiring first information, wherein the first information is access flow information of a user and a preset static load balancing algorithm;
step S2, the first information is sent to a first model to be processed to obtain second information, wherein the first model is a model for classifying the flow, the second information is classified flow information;
Step S3, the second information is sent to a second model to be processed to obtain third information, the second model is used for determining whether a link of flow access meets the requirement or not for the classified flow information, and the third information is the link information meeting the flow access requirement;
And S4, transmitting the first information and the third information to a third model to obtain fourth information, wherein the fourth model is a model for balancing the traffic load to the healthy server or client, and the fourth information is access result information of the server or client.
It can be understood that the invention can realize the high availability of the system by directly classifying the access flow information and then transmitting the access flow information through healthy links through flow load balancing, wherein the healthy links are links which have no faults and ensure that data can be stably received and the response speed is high.
It can be understood that the invention realizes high availability, high security and expandability of the server by using the local load balancing and application optimizing equipment, realizes reasonable distribution of data streams and makes full use of all data centers, links and servers. The system not only expands the whole processing capacity of the application system and improves the stability of the application system, but also can truly improve the access experience of users and reduce the IT investment cost of organizations, and a plurality of servers are arranged to monitor the health condition of the servers in real time, if a certain server fails, the server can be cleared in a service queue, so that the normal access application of the users is ensured, and the correctness of the response content is ensured.
In a specific embodiment of the disclosure, the step S21 includes a step S21 and a step S22.
Step S21, classifying the access flow information of the user in the first information to obtain the access flow information of the intranet user side and the access flow information of the extranet user side;
And S22, respectively carrying out domain name resolution on the access flow information of the intranet user side and the access flow information of the extranet user side to obtain domain name information of at least one classified flow.
It can be understood that the invention analyzes and sorts and gathers different flow information, and determines the corresponding link according to the information after sorting and gathering, thereby rapidly and efficiently judging whether the link meets the requirements or not and realizing high availability.
In a specific embodiment of the disclosure, the step S3 includes a step S31, a step S32, a step S33, and a step S34.
Step S31, obtaining access cache records of domain name information of the classified flow in a local cache;
Step S32, judging the health condition of the link where the flow is located according to whether the link can access in the access cache record, and processing the healthy link where the classified flow is located by adopting a preset static load balancing algorithm to obtain time interval information of reversely sending a query request to the LDNS to receive response and the IP address of the domain name by a third model in a certain time;
step S33, a first threshold is obtained, and a query request is reversely sent to a threshold of time interval information of response received by the LDNS for the third model;
And step S34, comparing the first threshold value with the time interval information, and marking the link information of the time interval information which is larger than the first threshold value as the link information which reaches the requirement.
It can be understood that the invention judges and processes the link by using a preset static load balancing algorithm, and determines the length of the time interval information of the response while guaranteeing that the link is unobstructed, thereby determining whether the response time meets the requirement or not and ensuring the high availability of the system.
In a specific embodiment of the disclosure, the step S4 includes a step S41, a step S42, a step S43, and a step S44.
Step S41, invoking the flow of the access flow information of the intranet user side and the flow of the access flow information of the extranet user side in the second information;
Step S42, initiating a connection request to the IP address of the domain name, and balancing the flow load of the access flow information of the external network user side to the client side to obtain the access result information of the client side;
step S43, respectively distributing the flow of the access flow information of the intranet user side to the link information reaching the requirement;
And step S44, after the IP address of the domain name is converted into a public network address of a corresponding ISP network segment, the traffic is sent to an internal server, and access result information of the internal server is obtained.
It can be understood that the invention improves the response efficiency of the server by converting the IP address into the corresponding public network address and then uniformly dispatching, thereby greatly improving the availability of the server group and the application.
In a specific embodiment of the disclosure, step S3 is further followed by step S5, step S6 and step S7.
S5, marking the link information of the time interval information which is smaller than or equal to the first threshold value as the link information which does not reach the requirement;
S6, shielding the link information which does not meet the requirement through a firewall, and sending a first command, wherein the first command is to establish a backup link in backup load balancing equipment;
and S7, sending the access flow information of the link which does not reach the requirement to the backup link for transmission, marking the access flow information of the link which does not reach the requirement, and sending a command for maintaining the access flow information link to communication equipment of maintenance personnel.
It can be understood that the invention can ensure normal access of users and correctness of response content without repeated content by establishing the backup link and transmitting the flow in the removed link to the backup link after removing the link which does not meet the requirement.
Example 2
As shown in fig. 2, the present embodiment provides a multi-link load balancing apparatus, which includes a first acquisition unit 701, a first processing unit 702, a second processing unit 703, and a third processing unit 704.
A first obtaining unit 701, configured to obtain first information, where the first information is access flow information of a user and a preset static load balancing algorithm;
The first processing unit 702 is configured to send the first information to a first model to obtain second information, where the first model is a model for classifying the traffic, the second information is the classified traffic information;
A second processing unit 703, configured to send the second information to a second model to process the second information to obtain third information, where the second model is a model for determining whether the link of the flow access meets the requirement for the classified flow information, and the third information is link information meeting the flow access requirement;
and a third processing unit 704, configured to send the first information and the third information to a third model, to obtain fourth information, where the fourth model is a model for balancing the traffic load to the healthy server or client, and the fourth information is access result information of the server or client.
In one embodiment of the present disclosure, the first processing unit 702 includes a first processing subunit 7021 and a second processing subunit 7022.
A first processing subunit 7021, configured to classify access traffic information of a user in the first information, so as to obtain access traffic information of an intranet user side and access traffic information of an extranet user side;
The second processing subunit 7022 is configured to perform domain name resolution on the access traffic information of the intranet user side and the access traffic information of the extranet user side, so as to obtain domain name information of at least one classified traffic.
In one embodiment of the present disclosure, the second processing unit 703 includes a first acquisition subunit 7031, a third processing subunit 7032, a second acquisition subunit 7033, and a fourth processing subunit 7034.
A first obtaining subunit 7031, configured to obtain an access cache record of domain name information of the classified traffic in a local cache;
A third processing subunit 7032, configured to determine, according to whether the link in the access cache record can access the link where the traffic is located, and process the healthy link where the classified traffic is located by using a preset static load balancing algorithm, so as to obtain time interval information that a third model reversely sends a query request to an LDNS in a certain time and receives a response, and an IP address of the domain name;
a second obtaining subunit 7033, configured to obtain a first threshold, and send a query request reversely to a threshold of time interval information that the LDNS receives a response for the third model;
A fourth processing subunit 7034 is configured to compare the first threshold value with the time interval information, and mark the link information of the time interval information that is greater than the first threshold value as the link information that meets the requirement.
In one embodiment of the present disclosure, the third processing unit 704 includes a fifth processing subunit 7041, a sixth processing subunit 7042, a seventh processing subunit 7043, and a first transmitting subunit 7044.
A fifth processing subunit 7041, configured to invoke a flow of the access flow information of the intranet user side and a flow of the access flow information of the extranet user side in the second information;
a sixth processing subunit 7042, configured to initiate a connection request to an IP address of the domain name, and obtain access result information of the client by balancing a traffic load of access traffic information of the external network client to the client;
a seventh processing subunit 7043, configured to allocate the traffic of the access traffic information of the intranet user side to the link information reaching the requirement, respectively;
The first sending subunit 7044 is configured to convert the IP address of the domain name into a public network address of a corresponding ISP network segment, and send the traffic to an internal server, so as to obtain access result information of the internal server.
In a specific embodiment of the present disclosure, the second processing unit 703 further includes a fourth processing unit 705, a fifth processing unit 706, and a first transmitting unit 707.
A fourth processing unit 705 for marking link information of time interval information smaller than or equal to the first threshold value as link information which does not meet a requirement;
A fifth processing unit 706, configured to mask the link information that does not reach the requirement through a firewall, and send a first command, where the first command is to establish a backup link in a backup load balancing device;
and a first sending unit 707, configured to send the access flow information of the link that does not reach the requirement to the backup link for transmission, mark the access flow information of the link that does not reach the requirement, and send a command for maintaining the access flow information link to a communication device of a maintainer.
It should be noted that, regarding the apparatus in the above embodiments, the specific manner in which the respective modules perform the operations has been described in detail in the embodiments regarding the method, and will not be described in detail herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (6)

1. A method of multi-link load balancing, comprising:
acquiring first information, wherein the first information is access flow information of a user and a preset static load balancing algorithm;
the first information is sent to a first model to be processed to obtain second information, wherein the first model is a model for classifying the flow, and the second information is classified flow information;
The second information is sent to a second model to be processed to obtain third information, the second model is used for determining whether a link of flow access meets the requirement or not for the classified flow information, and the third information is link information meeting the flow access requirement;
The first information and the third information are sent to a third model, the traffic load is balanced to a healthy server or client to obtain fourth information, and the fourth information is access result information of the server or the client;
the step of sending the first information to a first model for processing to obtain second information includes:
Classifying the access flow information of the user in the first information to obtain access flow information of an intranet user side and access flow information of an extranet user side;
Performing domain name resolution on the access flow information of the intranet user side and the access flow information of the extranet user side respectively to obtain domain name information of at least one classified flow;
the step of sending the second information to a second model for processing to obtain third information includes:
Obtaining access cache records of domain name information of classified flow in a local cache;
judging the health condition of the link where the flow is located according to whether the link can access in the access cache record, and processing the healthy link where the classified flow is located by adopting a preset static load balancing algorithm to obtain time interval information of reversely sending a query request to the LDNS to receive response and the IP address of the domain name in a certain time;
Acquiring a first threshold value, namely reversely sending a query request to a threshold value of time interval information of response received by the LDNS for the third model;
And comparing the first threshold value with the time interval information, and marking the link information of the time interval information which is larger than the first threshold value as the link information which reaches the requirement.
2. The method of claim 1, wherein the sending the first information and the third information to the third model to obtain fourth information includes:
invoking the flow of the access flow information of the intranet user side and the flow of the access flow information of the extranet user side in the second information;
Initiating a connection request to the IP address of the domain name, and balancing the traffic load of the access traffic information of the external network user side to the client side to obtain the access result information of the client side;
Respectively distributing the flow of the access flow information of the intranet user side to the link information meeting the requirement;
and after the IP address of the domain name is converted into a public network address of a corresponding ISP network segment, the traffic is sent to an internal server, and access result information of the internal server is obtained.
3. The method for balancing multi-link load according to claim 1, wherein the sending the second information to the second model for processing to obtain third information further comprises:
Marking the link information of the time interval information which is less than or equal to the first threshold value as the link information which does not reach the requirement;
Shielding the link information which does not meet the requirement through a firewall, and sending a first command, wherein the first command is to establish a backup link in backup load balancing equipment;
and sending the access flow information of the links which do not meet the requirements to the backup links for transmission, marking the access flow information of the links which do not meet the requirements, and sending a command for maintaining the access flow information links to communication equipment of maintenance personnel.
4. A multi-link load balancing system, comprising:
The first acquisition unit is used for acquiring first information, wherein the first information is access flow information of a user and a preset static load balancing algorithm;
The first processing unit is used for sending the first information to a first model to be processed to obtain second information, wherein the first model is a model for classifying the flow, the second information is classified flow information;
The second processing unit is used for sending the second information to a second model to process to obtain third information, the second model is used for determining whether the link of the flow access reaches the requirement or not according to the classified flow information, and the third information is the link information meeting the flow access requirement;
the third processing unit is used for sending the first information and the third information to a third model, balancing the traffic load to a healthy server or client to obtain fourth information, wherein the fourth information is access result information of the server or the client;
Wherein the system comprises:
The first processing subunit is used for classifying the access flow information of the user in the first information to obtain the access flow information of the intranet user side and the access flow information of the extranet user side;
the second processing subunit is used for respectively carrying out domain name resolution on the access flow information of the intranet user side and the access flow information of the extranet user side to obtain domain name information of at least one classified flow;
Wherein the system comprises:
The first acquisition subunit is used for acquiring access cache records of domain name information of classified traffic in the local cache;
The third processing subunit is used for judging the health condition of the link where the flow is located according to whether the link can access in the access cache record, and processing the healthy link where the classified flow is located by adopting a preset static load balancing algorithm to obtain time interval information of a third model for reversely sending a query request to the LDNS to receive response and the IP address of the domain name in a certain time;
The second obtaining subunit is used for obtaining a first threshold value and reversely sending a query request to a threshold value of time interval information of response received by the LDNS for the third model;
And the fourth processing subunit is used for comparing the first threshold value with the time interval information and marking the link information of the time interval information which is larger than the first threshold value as the link information which reaches the requirement.
5. The multi-link load balancing system of claim 4, wherein the system comprises:
A fifth processing subunit, configured to invoke the flow of the access flow information of the intranet user side and the flow of the access flow information of the extranet user side in the second information;
A sixth processing subunit, configured to initiate a connection request to an IP address of the domain name, and balance a traffic load of access traffic information of an external network user to a client, so as to obtain access result information of the client;
a seventh processing subunit, configured to allocate the flows of the access flow information of the intranet user side to the link information that meets the requirement respectively;
and the first sending subunit is used for converting the IP address of the domain name into a public network address of a corresponding ISP network segment, and then sending the flow to an internal server to obtain access result information of the internal server.
6. The multi-link load balancing system of claim 4, wherein the system further comprises:
a fourth processing unit configured to mark link information of time interval information smaller than or equal to the first threshold value as link information that does not meet a requirement;
the fifth processing unit is used for shielding the link information which does not reach the requirement through a firewall and sending a first command, wherein the first command is to establish a backup link in the backup load balancing equipment;
And the first sending unit is used for sending the access flow information of the link which does not reach the requirement to the backup link for transmission, marking the access flow information of the link which does not reach the requirement, and sending a command for maintaining the access flow information link to communication equipment of maintenance personnel.
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