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Dynamic control method and apparatus for data filtering condition

A technology of filtering conditions and dynamic control, applied in data exchange networks, electrical components, digital transmission systems, etc., can solve problems such as difficulties and achieve the effect of dynamic control

Active Publication Date: 2005-04-13
RUN TECH CO LTD BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, how to modify the internal lookup table of NSE while ensuring that the data flow processing is not interrupted is a difficult problem

Method used

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  • Dynamic control method and apparatus for data filtering condition
  • Dynamic control method and apparatus for data filtering condition
  • Dynamic control method and apparatus for data filtering condition

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Embodiment Construction

[0035] Such as Figure 4 As shown, the uplink and downlink data transmitted by the backbone network are firstly accessed, and then the OSI layer 1 and layer 2 protocol analysis is immediately completed. In the first layer of OSI, all analog or digital electrical signals or optical signals are transmitted. Although the signals of this layer themselves also contain SIP and DIP information, these signals are transmitted from one end to the other at a high serial speed. On the one hand, the present invention does not make any improvement to the first layer of OSI, and directly processes the signal by the data receiving and processing module of this layer to ensure the high-speed smoothness of the signal. Because it is very difficult to directly parse SIP and DIP from the first layer of OSI. First of all, the data packet unit must be separated, and then the data is cached in the data packet unit, and then the data is analyzed, and the correct SIP and DIP are extracted according to...

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Abstract

This invention discloses a dynamic control method and a device for data filter condition includes OSI first and second protocol analysis modules, a data buffer zone, a packet information pick up module, a filter condition buffer zone, NSE interface control module, data transferring and processing module and OSI second and first protocol recovering module. Data transferred on backbone network is accessed and stored in the internal data buffer zone, necessary information of the packet unit is picked up and stored to carry out NSE enquiry to the information buffer zone message information and transfer the data based on the enquiry result to be given up or to assigned interfaces. At the same time, outer system controller can write the filter condition to NSE at any time to refresh the original filter conditions.

Description

technical field [0001] The invention relates to a method and device for dynamically controlling data filtering conditions, in particular to a method and device for dynamically controlling data filtering conditions for message information. Background technique [0002] In order for a piece of information to be transmitted correctly on the network, it must conform to the format specified by the corresponding protocol. The OSI model provides a hierarchical framework for network system design. It consists of seven independent but interrelated layers, each layer defines a part of the protocol used to pass information across the network. Such as figure 1 As shown, in the transmission process of the OSI model, the output of each layer is the input of the next layer, and each layer encapsulates (or unpacks) the output data of the previous layer in its own protocol, and then sends it to the next layer. layer to go. [0003] Such as figure 2 As shown, the process of data transfe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/861H04L29/06
Inventor 何喆
Owner RUN TECH CO LTD BEIJING
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