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Method for improving utilization efficiency of NAT address pool resource and device thereof

An address pool and resource technology, applied in the field of network security, can solve the problems of NAT address pool resource waste, etc., and achieve the effect of solving NAT resource waste

Inactive Publication Date: 2014-09-24
HANGZHOU DPTECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a method and device for improving the utilization efficiency of NAT address pool resources, so that the NAT address pool resources in the aggregation board can be reused, and the problem of waste of NAT address pool resources in the aggregation board is solved

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  • Method for improving utilization efficiency of NAT address pool resource and device thereof
  • Method for improving utilization efficiency of NAT address pool resource and device thereof
  • Method for improving utilization efficiency of NAT address pool resource and device thereof

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Embodiment Construction

[0016] The present invention provides a method and device for improving the utilization efficiency of NAT address pool resources, by configuring the same NAT address pool resources on all service boards of the same aggregation, and making forward messages and reverse messages pass through the same NAT Functional service boards can ensure data distribution, and when a service board in the aggregation group fails, it can quickly switch the network and solve the problem of resource waste in the NAT address pool.

[0017] During network deployment, the administrator may insert service boards that can handle the same kind of business into distributed devices (such as typical frame devices) at the same time, and then make boards for the business boards that can do the same kind of business level aggregation. From a business point of view, this can be visually understood as adding business boards to the same cloud domain. Since NAT services are involved, NAT services usually need to ...

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Abstract

The invention discloses a method for improving utilization efficiency of NAT address pool resource and a corresponding device, which are applied for network equipment, wherein a plurality of business boards are allocated to one aggregation group which is configured with same NAT address pool resources. The method comprises the steps of: receiving a forward message, extracting a destination IP address in the forward message, scheduling the forward message to a business board with a NAT function according to the destination IP address for processing; and receiving a backward message, extracting a source IP address in the backward message, and scheduling the backward message to the business board with the NAT function according to the source IP address for processing, wherein when the source IP of the backward message is same with the destination IP of the forward message, the forward message and the backward message are processed in a same business board. According to the method of the invention, through configuring same NAT address pool resources on all business boards in one aggregation group, sharing for the NAT address pool resource is realized.

Description

technical field [0001] The invention relates to the field of network security, in particular to a method and a device for improving resource utilization efficiency of a NAT address pool. Background technique [0002] With the development of information technology, enterprises have higher and higher demands on the performance of network equipment. If a node in the network equipment fails, it will lead to abnormal network access or even disconnection of the network. To ensure the normal operation of network devices, frame-type devices usually perform board-level aggregation, so that the aggregation of the same type of boards can achieve board-level aggregation to ensure the normal operation of the device. When a board in the aggregation fails, the network data can be quickly switched to other boards in the aggregation, so that the network equipment can operate normally. [0003] Usually, NAT address pool resource pools of different network segments are configured on differen...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/24
Inventor 李飞鹏
Owner HANGZHOU DPTECH TECH
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