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Detection method, device and system of packet loss in network communication

A technology for network communication and packet loss, applied in the field of packet loss detection in network communication, can solve problems such as poor detection effect, inability to locate packet loss, and inability to detect packet loss, so as to improve the detection effect.

Inactive Publication Date: 2009-12-30
HUAWEI TECH CO LTD
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  • Description
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  • Application Information

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Problems solved by technology

[0004] Since the technical solution provided by the prior art can only detect packet loss at both ends of the maintenance domain (Maintenance Association, MA), it cannot detect packet loss when the intermediate device between the two ends transmits the packet. Packet situation, so it cannot locate packet loss, and the detection effect is poor

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  • Detection method, device and system of packet loss in network communication
  • Detection method, device and system of packet loss in network communication
  • Detection method, device and system of packet loss in network communication

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Embodiment Construction

[0040] The embodiment of the present invention provides a method for detecting packet loss in network communication, the method is as follows: figure 1 shown, including:

[0041] Step 11, the forwarding node receives the first synchronization message sent by the source node, and obtains the first total number of data messages sent by the source node in the first synchronization message, and receives the second synchronization message sent by the source node, And obtain the second total number of data packets sent by the source node in the second synchronization packet;

[0042] The above-mentioned first synchronization message also includes the identification of the node that the first synchronization message passes through; the above-mentioned second synchronization message also includes the identification of the node that the second synchronization message passes through; the identification of the passing node can be, in IP In a network, it may be an IP address, and in an M...

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Abstract

The implementation mode of the invention provides a detection method, a device and a system of packet loss in network communication, belonging to the field of network communication. The method comprises the following steps: a forwarding node receives a first synchronous message sent by a source node, wherein, the first synchronous message carries the first total quantity of a data message sent by the source node, and the first total quantity is acquired; the forwarding node receives a second synchronous message sent by the source node, the second synchronous message carries the second total quantity of the data message sent by the source node and the second total quantity is acquired; the forwarding node counts the data message quantity received between the first synchronous message and the second synchronous message; the forwarding node calculates the difference value of the first total quantity and the second total quantity; when the difference and the difference of the data message quantity are larger than threshold, the packet loss is determined. The technical proposal has the advantages of carrying out packet loss position and having good detection effect.

Description

technical field [0001] The invention relates to the communication field, in particular to a method, device and system for detecting packet loss in network communication. Background technique [0002] With the advancement of technology and the popularization and development of the Internet, more and more data are transmitted in the network. In order to ensure the stability of data transmission in the network, it is sometimes necessary to perform packet loss detection on the transmitted data packets. The standard Y.1731 Just provide a kind of detection method of packet loss, this method is the detection of point-to-point, support two-layer network (Layer 2 Virtual Private Network, L2VPN); A packet measurement message (LossMeasurement message, LMM) message performs double-ended statistics and single-ended statistics, and calculates the number of lost packets in a certain period of time by calculating the difference between the sent and received data packets between two protocol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
Inventor 李洪斌第海兵
Owner HUAWEI TECH CO LTD
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