Method and device for measuring network performance parameter

A network performance parameter and performance technology, applied in the field of network communication, can solve problems such as inability to measure network performance parameters

Active Publication Date: 2010-06-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the embodiment of the present invention is to provide a method and device for extending BFD to measure network performance parameters, so as to solve the problem that network performance parameters cannot be measured in the existing technical solutions

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  • Method and device for measuring network performance parameter
  • Method and device for measuring network performance parameter

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Embodiment Construction

[0023] In the embodiment of the present invention, the device can support processing extended BFD packets by changing the hardware of the existing device, or enable the device to support processing extended BFD packets by upgrading the software of the existing device.

[0024] Each field in a BFD packet has different meanings. For example, the P field (Poil field, detection field), when set to 1, indicates that the sending system requests confirmation of the connection or parameter change, and when set to 0, indicates that the sending system does not request confirmation. A (Authentication Present, verification field) field, when it is set to 1, it means that the control message contains the verification field, and the session needs to be verified; when it is set to 0, it means that the control message does not contain the verification field, and the session does not need to be verified. The value of the Diag (Diagnostic, diagnosis) part can range from 0 to 31. The existing BFD...

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Abstract

The invention relates to the filed of network communications, in particular to method and device for measuring network performance parameters. The method comprises the steps of: receiving an extensible Bidirectional Forwarding Detection (BFD) message which includes a packet-loss monitoring type length value TLV and / or a time delay monitoring TLV, and calculating the network performance parametersaccording to the received packet-loss monitoring TLV and / or the time delay monitoring TLV in the extensible BFD message. The device comprises an extensible BFD message sending module, an extensible BFD message receiving module and a network performance parameter calculating module. The technical scheme provided in the embodiment of the invention can calculate various network performance parameters, solve the problem of network performance monitoring in the prior technical scheme and monitor the network performance.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method and device for measuring network performance parameters. Background technique [0002] BFD (Bidirectional Forwarding Detection, Bidirectional Forwarding Detection) is a set of international standard protocols used to implement fast detection, providing a detection with light load and short duration. BFD detects the link status in both directions by sending detection packets at both ends of the bidirectional link at the same time, and implements link fault detection at the millisecond level. A special case of a bidirectional link is a unidirectional link, such as an LSP (Label Switched Path, Label Switched Path). In this case, BFD control packets only need to be sent in one direction, and the peer end reports the link status through other paths. [0003] BFD can detect faults on any type of channel between systems, including direct physical links, virtual circuits, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/56H04L1/00
CPCH04L43/0852H04L43/0829
Inventor 国辛纯李鉴
Owner HUAWEI TECH CO LTD
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