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Method and applications of network monitoring data packet with timestamp

A network monitoring and data packet technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of inability to use data packet processing and transmission, low transmission efficiency, inability to filter and save, etc., to provide accuracy , reduces the likelihood, and reduces the effect of packet loss

Inactive Publication Date: 2011-10-12
EWANIT IND DEV SHANGHAI
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Problems solved by technology

[0003] Domestic patent 03142734.0 discloses a method for accurately marking time stamps in the computer network end host system. In this method, a first-in-first-out queue order is set in the time stamp access module, and the time stamp is sent or received according to the user's request after the time stamp is obtained. , this method can accurately mark the time stamp, but it cannot be screened and saved in advance, it cannot be used for the processing and transmission of a large number of data packets, and the transmission efficiency is low

Method used

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  • Method and applications of network monitoring data packet with timestamp
  • Method and applications of network monitoring data packet with timestamp
  • Method and applications of network monitoring data packet with timestamp

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Embodiment example

[0044] If in the process of analyzing a network protocol, we only need to analyze the packets of the TCP protocol. The above-mentioned technical solution can be realized according to the following implementation examples:

[0045] Step 1: Data Collection

[0046] The Ethernet network data packet collection device can capture the network data packets flowing through the Ethernet switch by connecting to the mirror port provided by the Ethernet switch. The Ethernet network data packet acquisition device can also capture the network data packets flowing through the Ethernet switch through the connection mode of the Ethernet electrical splitter or optical splitter. These Ethernet electrical splitters or optical splitters are connected across cables or optical cables of Ethernet switches and other network devices. Through the connection between these splitters and the Ethernet network data packet collection equipment, the Ethernet data packets flowing through these circuits or opt...

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Abstract

The invention relates to the technical field of frame format definition and usage of a network monitoring data packet, and in particular relates to a method and applications of the network monitoring data packet with timestamp. The method is characterized in that a TAP is connected in series between a server and an IP (internet protocol) exchanger or a router connected with the server, a shunt circuit of the TAP is connected with a data collecting device, and the data collecting device is connected with a subsequent processor; the data collecting device performs frame format definition on an original data packet through copying various data packets sent by the server in real time and sending to the data collecting device by the TAP; original data packets of all types are collected by the data collecting device, and the original data packets are stored through an operating system; and the timestamp is selected according to required accuracy degree requirements, the timestamp is increased to the tail end of each original data packet, and is sent to the subsequent processor to subsequent processing. The invention provides an efficient and simple method for capturing and storing the data packets, and the time accuracy of the data packets is improved.

Description

[technical field] [0001] The invention relates to the technical field of network communication monitoring, in particular to a method and application for defining a data structure or a frame format (Data Frame) of a network monitoring data packet with a time stamp. [Background technique] [0002] Now IT technology is increasingly relying on the network for data transmission. Network monitoring technology that captures and analyzes data transmitted on various networks is an indispensable part of modern networks. When it is necessary to transmit or present the time stamp of the captured data package together with the captured data package, the prior art mainly associates the time stamp with the data package by reading the time information module through a user request. [0003] Domestic patent 03142734.0 discloses a method for accurately marking time stamps in the computer network end host system. In this method, a first-in-first-out queue order is set in the time stamp access...

Claims

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Application Information

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IPC IPC(8): H04L7/00H04L12/26
Inventor 孙世敏
Owner EWANIT IND DEV SHANGHAI
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