A kind of icmp request message keeping alive control method and system
A technology for requesting messages and control methods, applied in transmission systems, program control design, digital transmission systems, etc., to solve problems such as service failure to respond
Active Publication Date: 2018-11-02
INSPUR BEIJING ELECTRONICS INFORMATION IND
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Problems solved by technology
[0004] In view of this, the present invention provides an ICMP request message keep-alive control method and system to solve the problem in the prior art that some services cannot respond when there is a problem with the application program used to provide the service in the server
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[0029] The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0030] The core of the present invention is to provide an ICMP request message keep-alive control method and system to solve the problem that some services cannot respond in the prior art when the application program used to provide services in the server has problems.
[0031] In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail bel...
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The invention discloses an ICMP request message keep-alive control method and system. The method comprises the steps of when the application program in a server works normally, receiving a startup instruction sent from the application program by invoking a keep-alive interface; according to the startup instruction, switching on a kernel timer to start timing; when the timing of the kernel timer exceeds a preset time and the keep-alive interface is not invoked by the application program during the timing period, judging that the application breaks down so as to be incapable of normally responding to the data service shunt from a shunt, and stopping replying to an ICMP request message. In this way, when the shunt cannot receive any ICMP protocol-based response message from the server, the shunt does not transmit the data traffic to the server. Therefore, the problem in the prior art that when the application program arranged in the server and used for providing services breaks down, one part of the services cannot respond to the request is solved.
Description
technical field [0001] The present invention relates to the technical field of ICMP communication, and in particular, to a method and system for keeping alive an ICMP request message. Background technique [0002] At present, with the rapid development of computer technology and information network technology, the Internet is getting closer to people's daily life, and it brings more and more convenience to people's work and life. [0003] While the Internet has brought many conveniences, the amount of data on the Internet is growing exponentially. In some specific applications, such as servers that provide data access services, data filtering and other services, distributed cluster servers are required to When dealing with large concurrent data, flow diversion devices are usually used to distribute traffic to different servers in the cluster server, which can achieve both load balancing and traffic classification. However, in the above-mentioned diversion process, when ther...
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IPC IPC(8): H04L12/26G06F9/54
CPCG06F9/545H04L43/10
Inventor 王栋
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND