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A network address translation method, device and system

A technology of network address translation and address translation, which is applied in the field of load balancing and can solve problems such as the inability to realize transparent proxying of cloud host users

Active Publication Date: 2020-01-14
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the back-end server (cloud host), it is unknown which front-end user equipment sent the service access request message
[0005] Therefore, the existing load balancing technology based on the Linux operating system cannot realize the user transparent proxy of the cloud host

Method used

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  • A network address translation method, device and system
  • A network address translation method, device and system
  • A network address translation method, device and system

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Experimental program
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Embodiment Construction

[0072] The implementation of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects.

[0073] In a typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0074] Memory may include non-permanent storage in computer readable media, in the form of random access memory (RAM) and / or nonvolatile memory such as read only memory (ROM) or flash RAM. Memory is an example of computer readable media.

[0075] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a progr...

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PUM

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Abstract

The present application discloses a network address translation method, device and system, wherein the virtual server obtains the external network source address in the service request message sent by the user equipment, and the external network source address is the external network address of the user equipment ; Convert the external network source address and external network destination address in the service request message to an internal network source address and an internal network destination address, the internal network source address is the internal network address of the virtual server, and the purpose The address is the internal network address of the cloud host that processes the service request message; carry the external network source address and the first identification bit in the service request message after address translation, and send the service request message to the connection tracker; so that the connection tracker obtains the external network source address carried in the service request message according to the first identification bit carried in the service request message sent by the virtual server, Replace the internal network source address in the service request message with the external network source address, and send the service request message to the cloud host for service processing.

Description

technical field [0001] The present application relates to the technical field of load balancing in the Linux system, in particular, to a network address translation method, device and system. Background technique [0002] Load balancing is a technology that distributes network requests to available servers in a server cluster according to a load balancing algorithm. Load balancing provides the best possible web experience for web visitors by managing data traffic into server clusters. For example, in cloud computing services, network service requests are distributed to servers with less load for processing through load balancing technology, so as to improve the processing efficiency of network service requests and enable network visitors to obtain a better experience. [0003] Usually, in cloud computing services, the load balancer is often virtualized into multiple available virtual load balancers (Virtual Load Balancer, VLB), or load balancing software is installed on a v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/08
CPCH04L61/2503H04L67/1001
Inventor 金帅吴佳明陈家军薛蹦蹦陈子昂杨玉玺
Owner ALIBABA GRP HLDG LTD