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Multi-layer IPSec dynamic partition table design method used for satellite channel

A technology of dynamic partitioning and satellite channels, applied in digital transmission systems, electrical components, error prevention, etc., can solve problems such as large limitations, and achieve the effect of solving contradictions and improving efficiency

Active Publication Date: 2014-12-10
PLA UNIV OF SCI & TECH
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Problems solved by technology

[0012] The purpose of the present invention is to provide a kind of multi-layer IPSec dynamic partition table design method for satellite channels, solve the problem that the fixed size partition of data in the partition table has great limitations in the application process

Method used

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  • Multi-layer IPSec dynamic partition table design method used for satellite channel
  • Multi-layer IPSec dynamic partition table design method used for satellite channel
  • Multi-layer IPSec dynamic partition table design method used for satellite channel

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Embodiment Construction

[0037] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] The embodiment provides a method for designing a multi-layer IPSec dynamic partition table for satellite channels, which solves the contradiction between fixed-size partitions of data on satellite channels and performance enhancement technologies by implementing dynamic partitions.

[0039] This method changes the form of fixed partition size in CSA by adding area mapping information, so that the sending end node of the data determines the partition size of the data according to its own data application type, and the sending end can dynamically adjust the partition size to carry out IPSec segmentation processing. By realizing the dynamic partitioning of data, the existing static mapping method through the partition table in the CSA is changed to realize flexible dynamic partitioning.

[0040] Add area mapping information to the AH and...

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Abstract

The invention provides a multi-layer IPSec dynamic partition table design method used for a satellite channel. The conflict between fixed size partition of data and performance enhancement technology on the satellite channel is solved by realizing dynamic partitioning. According to the method, the sending end nodes of data can decide the size of data partitioning according to the type of data application, a sending end can dynamically adjust the size of portioning, but IPSec segment treatment is not carried out invariably according to the inherent partitioning size in compound security association. By realizing dynamic partitioning for the data, an existing static mapping mode through a partition table in the compound security association is changed. According to the method, the flexibility of IPSec end-to-end security technology is greatly enhanced.

Description

technical field [0001] The invention relates to a multi-layer IPSec dynamic partition table design method for satellite channels. Background technique [0002] The secure transmission protocol plays an important role in the secure transmission of data in the satellite IP network. Due to the characteristics of the satellite link, some traditional security protocols need to be modified to play a role in the link. Inconsistencies in end-to-end enhancement techniques prevent these protocols from functioning properly. [0003] IPSec protocol is an end-to-end security protocol widely used in terrestrial networks. It plays an active role in protecting the secure transmission of network data. The application in wireless networks such as Internet is also an inevitable trend. At present, there are related applications of applying the IPSec protocol to wireless networks. However, in practical applications, due to the use of TCP performance enhancement technology in the satellite net...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L1/00
Inventor 续欣汤凯穆旭成史春丽杨扬陈国友
Owner PLA UNIV OF SCI & TECH
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