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Parallel flow dispatching method for 10G network performance testing system

A technology for network performance and testing systems, applied in transmission systems, digital transmission systems, data exchange networks, etc., and can solve problems such as difficulty in real-time scheduling

Inactive Publication Date: 2008-02-27
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for high-speed port testers, the computing speed of hardware logic no longer has the advantage of being faster than the port rate, so it is difficult to achieve real-time scheduling, so it is necessary to use a combination of software and hardware to schedule in advance

Method used

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  • Parallel flow dispatching method for 10G network performance testing system
  • Parallel flow dispatching method for 10G network performance testing system
  • Parallel flow dispatching method for 10G network performance testing system

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Embodiment Construction

[0065] The invention is a core method in the 10G network performance tester. The whole test system consists of three parts: monitor (monitor), tester main board (tester) and device under test (DUT). The connection is shown in Figure 1. The block diagram of the monitoring machine is shown in Figure 2. It completes the control of the main board of the tester through message communication. The graphical user interface GUI is responsible for the interaction with the user, including the setting of test parameters and the display of test results. The data structure on the monitoring machine is stored in the configuration information storage module, and the configuration and result processing module completes the association of the above three modules, and is responsible for processing configuration information and analyzing test results. The main board of each tester is connected to the monitoring machine through 100M Ethernet. When there are multiple tester main boards participat...

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Abstract

This invention relates to a parallel flow control method for 10G network performance test system characterizing that in a system composed of a monitor, a test device master plate and a tested device, the monitor initializes and compute the bite number sent by each flow in a time slice and the sending time scale of every frame of each flow to form a flow sequence chained list according to the frame number sent by each flow in a time slice, every step generates the flow sequence information and sends it to the test device master plate, then the inter-serial CPU interface circuit, the flow sequence buffer storage and the flow generation and sending circuit finish the sending.

Description

technical field [0001] The invention belongs to the technical field of network performance testing for high-speed network equipment performance testing. Background technique [0002] The performance test of network interconnection equipment refers to the purpose of evaluating the performance of network interconnection equipment by testing the network interconnection equipment. A performance test system is composed of a tester and a device under test. The specific performance indicators concerned by the test mainly include throughput, delay, loss rate, jitter, etc., and its specific meaning is in the RFC (Internet Standard Draft) of the IETF (Internet Engineering Working Group). ) are clearly defined. The test method is mainly to send stream packets to the device under test through the tester, and conduct statistics and analysis by observing some behavior parameters of the stream packets after passing through the device under test. [0003] Streams are an important concept ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/56H04L12/861
Inventor 张小平曹锐赵有健徐明伟吴建平
Owner TSINGHUA UNIV