Security encryption method for integration network codes of power EPON

A technology that integrates network and security encryption, which is applied in the direction of electrical components, multiplexing system selection devices, transmission systems, etc., can solve problems such as network transmission security risks, and achieve the effect of overcoming low security, easy implementation, and simple operation

Inactive Publication Date: 2015-02-18
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In EPON, which is widely deployed in power grids at the present stage, the traditional tree structure uses downlink data broadcasting, so that each terminal can receive all terminal data, which is very easy to cause security problems such as eavesdropping, which poses a threat to network transmission security. Huge hidden danger

Method used

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  • Security encryption method for integration network codes of power EPON
  • Security encryption method for integration network codes of power EPON
  • Security encryption method for integration network codes of power EPON

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0028] Such as figure 1 As shown, a fusion network coding security encryption method of electric power EPON, which introduces network coding into the EPON system, wherein network coding is a technique for improving multicast network capacity by encoding received information through relay nodes; The method supports 10G uplink and downlink symmetric transmission, is suitable for power distribution EPON communication network terminal (ONU) to terminal (ONU) communication security issues, and belongs to the data link layer encryption method;

[0029] Include the following steps:

[0030] (1) Cooperate to establish network coding connection by OLT and ONU; Wherein, described OLT comprises two ONUs (denoted as ONU-1 and ONU-2) of peer-to-peer communication demand; Use Link ID as the connection pair number that participates in coding, Mark ID is used as the connec...

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Abstract

The invention relates to a security encryption method for integration network codes of a power EPON. Network codes are introduced into an EPON system. The method comprises the following steps that network code connection is established through cooperation of an OLT and two ONUs, wherein the OLT comprises the ONUs needed by peer to peer communication; one of the two ONUs is used for caching and sending uplink data; network coding is carried out on the received uplink data according to the OLT, and downlink data are sent; the downlink data received by the other ONU are decoded through local cached data. The method improves the safety of data, and operation is easy to carry out, and the method is easy to implement.

Description

technical field [0001] The invention relates to an EPON security encryption method, in particular to a power EPON fusion network coding security encryption method. Background technique [0002] With the vigorous promotion and construction of intelligent power distribution and utilization, EPON technology has been widely used in the distribution automation of the distribution grid, the collection of power consumption information, the business service of power consumption, and the two-way interaction of users. Compared with the operator's EPON network, the power EPON network has higher requirements in terms of security and reliability, mainly reflected in the prevention of malicious infiltration or eavesdropping of the EPON network, the prevention of malicious control of terminal equipment, and the prevention of key power business data carried by the network or The information is stolen or tampered with, ensuring the safe and stable operation of the EPON network carrying power...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04Q11/00
CPCH04L63/0428H04Q11/0062
Inventor 刘国军张士宗汪洋顾仁涛周静黄毕尧卢利锋王楠王智慧胡紫巍张庚
Owner STATE GRID CORP OF CHINA
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