Bypass-based network quality evaluation method and device
A network quality and evaluation method technology, applied in the field of computer networks, can solve the problems of lack of real-time performance and inability to restore the real network scene, and achieve the effect of improving accuracy, evaluating network quality, and accurate network quality.
Active Publication Date: 2016-08-10
SANGFOR TECH INC
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[0003] ①It does not have real-time performance; because the network congestion may be intermittent, when the network maintenance personnel check the network congestion, the above-mentioned congestion may have passed; or the dial-up user has gone offline, and the dial-up user corresponding to the client cannot IP (Internet Protocol, Internet Protocol) address for ping
[0004] ②The real scene of the network cannot be restored; ping uses ICMP (Internet Control Messages Protocol, Internet Control Message Protocol) protocol, which may not truly reflect the delay status of TCP (Transmission Control Protocol, Transmission Control Protocol) services, for example, Whether there is application-based routing or protocol-based QoS (Quality Of Service) on the link where the TCP service delay occurs
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[0052] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0053] refer to figure 1 , figure 1 It is a schematic structural diagram of an embodiment of an application scenario of the bypass-based network quality evaluation method of the present invention; figure 1 The analysis equipment shown can use the bypass-based network quality evaluation method of the present invention to perform segmentation quality evaluation on the access side and the Internet side, so that it can be accurately known whether the network quality of the client access side is poor, or whether the network quality of the access side is not good. Poor network quality on the Internet side. refer to figure 2 , figure 2 It is a structural schematic dia...
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The invention discloses a method and a device for network quality evaluating based on a by-pass. The method include the steps of arranging a by-pass observing point between a first node and a second node in a network link, recording the time when an interactive data packet reaches the by-pass observing point while the first node and the second achieve data interaction, respectively acquiring a first network time delay from the first node to the by-pass observing point and a second network time delay from the second node to the by-pass observing point, obtaining a first retransmission rate on a route from the first node to the by-pass observing point and a second retransmission rate on a route from the second node to the by-pass observing point, and evaluating network quality according to the first network time delay, the second network time delay, the first retransmission rate and the second retransmission rate. The method and the device for the network quality evaluating based on the by-pass have the advantages of accurately evaluating the network quality, being capable of achieving accurate positioning for a network failure point, and increasing the accuracy of the network quality evaluating.
Description
technical field [0001] The invention relates to the technical field of computer networks, in particular to a bypass-based network quality evaluation method and device. Background technique [0002] When the user, that is, the user of the network, feedbacks that the network quality is poor, the network maintenance personnel usually use ping to check the network quality; for example, ping the server to check the delay of the server returning data packets; The delay of the data packet; thus to determine whether the network congestion occurs on the server or the client. This detection method has the following defects: [0003] ①It does not have real-time performance; because the network congestion may be intermittent, when the network maintenance personnel check the network congestion, the above-mentioned congestion may have passed; or the dial-up user has gone offline, and the dial-up user corresponding to the client cannot IP (Internet Protocol, Internet Protocol) address to...
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IPC IPC(8): H04L12/26H04L12/24
Inventor 张磊李凡
Owner SANGFOR TECH INC