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Network QoS test method and system

A quality testing and network service technology, applied in the field of network communication, can solve the problems that the physical network spans multiple directly connected network segments and the actual situation of the network cannot be solved, so as to achieve the effect of improving usability, accurate diagnosis and positioning

Active Publication Date: 2006-01-25
NEW H3C TECH CO LTD
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Problems solved by technology

[0010] First, the standard only defines a segment of the network that is directly connected by a physical link, but cannot solve the situation that a physical network spans multiple directly connected network segments;
[0011] The second is that Ethernet OAM can only detect the OAM situation of the physical layer, but cannot solve the problems above the MAC layer (including IP (Internet Protocol) layer, TCP / UDP (Transmission Control Protocol / User Datagram Protocol) layer and higher layers) The actual situation of the network

Method used

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  • Network QoS test method and system

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Embodiment Construction

[0056] The core of the present invention is to simulate the test data flow with the same format as the service flow to be tested in the input direction of the service inflow port of the network test start point device, insert it into the normal service flow and send it to the test end device of the test data flow; The test data flow is the same as the normal business flow, after the normal forwarding of one or more actual network node devices between the test start point and the test end point, it arrives at the test end point device; the test data flow is extracted from the output port of the test end point device. It performs OAM statistics, so as to realize end-to-end service OAM test of the network, for example, connectivity test, packet loss rate test, bandwidth test and so on. If it is necessary to perform loopback processing on the test data flow, the extracted test data flow is processed at the output port of the test terminal device, and then looped back to the uplink ...

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Abstract

A method for testing quality of service of network includes generating test data stream as the same to service stream to be tested, sending test data stream from test start point to test end point, detecting service quality of network at test end point according to obtained test data stream. The test system of network service quality consists of test start point device being connected to test end point device, test end point device and test management device.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method and system for testing network service quality. Background technique [0002] OAM (Operation, Administration and Maintenance) function is very important in the public telecommunication network, it can simplify network operation, test network performance and reduce network operation cost. In a network that provides guaranteed quality of service, the OAM function is particularly important. According to the actual needs of operators' network operations, network management work is usually divided into three categories. Among them, operation and management mainly refer to the analysis, prediction, planning and configuration of daily networks and services; maintenance mainly refers to network management. Day-to-day operational activities such as testing and failure management of its business. The OAM mechanism not only needs to prevent the occurrence of network...

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Application Information

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IPC IPC(8): H04L12/26H04L12/56H04L12/24
Inventor 于洋张海涛
Owner NEW H3C TECH CO LTD
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