CN107395441A - A kind of method for detecting Network Packet Loss situation - Google Patents

A kind of method for detecting Network Packet Loss situation Download PDF

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Publication number
CN107395441A
CN107395441A CN201710771830.8A CN201710771830A CN107395441A CN 107395441 A CN107395441 A CN 107395441A CN 201710771830 A CN201710771830 A CN 201710771830A CN 107395441 A CN107395441 A CN 107395441A
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CN
China
Prior art keywords
tcp
spacings
packet loss
network packet
equal
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Pending
Application number
CN201710771830.8A
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Chinese (zh)
Inventor
宋冬
吕超
曹靖城
成国强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianyi Smart Family Technology Co Ltd
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JIANGSU PUBLIC INFORMATION CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by JIANGSU PUBLIC INFORMATION CO Ltd filed Critical JIANGSU PUBLIC INFORMATION CO Ltd
Priority to CN201710771830.8A priority Critical patent/CN107395441A/en
Publication of CN107395441A publication Critical patent/CN107395441A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0823—Errors, e.g. transmission errors
    • H04L43/0829—Packet loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0677—Localisation of faults
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network

Abstract

The invention discloses a kind of method for detecting Network Packet Loss situation, methods described is to carry out detecting Network Packet Loss situation by calculating the value of TCP large-spacings rate=TCP large-spacings number/TCP total linear spacings number, TCP large-spacing numbers refer to the number that TCP intervals are more than interval threshold values, TCP total linear spacings number is the total bag numbers 1 of TCP, pass through the calculating to TCP large-spacing rates, determine whether the numerical value of TCP large-spacing rates more than 0 determines whether Network Packet Loss, the position of failure judgement again, improve IPTV/OTT video quality fault location accuracies, and then improve the accuracy and availability of the monitoring of IPTV/OTT video qualities, carry out for IPTV/OTT business and carry out guarantee.

Description

A kind of method for detecting Network Packet Loss situation
Technical field
The present invention relates to a kind of method for detecting Network Packet Loss situation, and in particular to IPTV/OTT Web TVs technology is led Domain.
Background technology
IPTV/OTT video traffics are emerging services with development of Internet and next, there is provided the video such as live, time shift, program request Service.Because the unstability of internet transmissions, and the end-to-end link of video traffic are more, any one link is asked Topic, may all cause occur the quality problems such as interim card in video display process.
Operator is mainly carried out in user terminal deployment video quality locator, by analyzing network bag data at present Fault location.For the IPTV/OTT video traffics using the reliable transport protocol based on TCP, traditional way is to use Out of order rate is used as the method for judging Network Packet Loss situation.Out of order rate is that have strictly suitable in transmitting procedure using TCP bags The characteristics of sequence, when TCP bag packet losses in network transmission, service end can repeat to send this bag, then the TCP bags that client receives The situation of appearance order entanglement, out of order rate rise.
Out of order rate can be accurately identified when the network architecture from service end to terminal is simple network whether packet loss, but work as net During network complex, routed path difference, the time difference of transmission passed through due to network bag, even if network is all gone well, The higher situation of packet loss occurs.
The content of the invention
For solve the deficiencies in the prior art, it is an object of the invention to provide it is a kind of detect Network Packet Loss situation method, By detecting Network Packet Loss situation, IPTV/OTT video quality fault location accuracies can be improved, and then improves IPTV/OTT and regards The accuracy and availability of frequency quality monitoring, carry out for IPTV/OTT business and carry out guarantee.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：A kind of method for detecting Network Packet Loss situation, Methods described is to carry out detecting Network Packet Loss shape based on the value for calculating TCP large-spacings rate=TCP large-spacings number/TCP total linear spacings number Condition, there are following three kinds of situations：
I) TCP bags order reaches, and does not occur Network Packet Loss；
Ii) the out of order arrival of TCP bags, it is non-to retransmit bag, do not occur Network Packet Loss；
Iii) the out of order arrival of TCP bags, bag is retransmitted, Network Packet Loss occurs.
A kind of method of foregoing detection Network Packet Loss situation, it is characterised in that：TCP large-spacings number is that TCP receives interval More than the number of interval threshold values；TCP total linear spacings number is the total bag numbers -1 of TCP.
A kind of method of foregoing detection Network Packet Loss situation, it is characterised in that：Though non-retransmit wraps out of order, arrival time Difference is little, receives interval still less than interval threshold.
A kind of method of foregoing detection Network Packet Loss situation, it is characterised in that：
TCP bags order reaches, and does not occur Network Packet Loss：
Because TCP large-spacings number is equal to n-1 equal to 0, TCP total linear spacings number；
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
The out of order arrival of TCP bags, it is non-to retransmit bag, do not occur Network Packet Loss：
Because TCP large-spacings number is equal to n-1 equal to 0, TCP total linear spacings number；
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
The out of order arrival of TCP bags, bag is retransmitted, Network Packet Loss occurs：
Because TCP large-spacings number is equal to n-1 more than or equal to 1, TCP total linear spacings number；
Therefore, TCP large-spacings rate is more than or equal to TCP large-spacings number/TCP total linear spacings number, i.e. 1/n-1.
The present invention is advantageous in that：By the calculating to TCP large-spacing rates, determining the numerical value of TCP large-spacing rates is It is no to be more than 0 and determine whether Network Packet Loss, then the position of failure judgement, it is accurate to improve IPTV/OTT video qualities fault location Degree, and then the accuracy and availability of the monitoring of IPTV/OTT video qualities are improved, carry out for IPTV/OTT business and carry out guarantee.
Brief description of the drawings
Fig. 1 is that a kind of method TCP bags order for detecting Network Packet Loss situation of the present invention reaches, and does not occur Network Packet Loss signal Figure；
Fig. 2 is a kind of out of order arrival of method TCP bags for detecting Network Packet Loss situation of the present invention, does not occur Network Packet Loss signal Figure
Fig. 3 is a kind of out of order arrival of method TCP bags for detecting Network Packet Loss situation of the present invention, Network Packet Loss schematic diagram occurs
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Shown in reference picture 1, Fig. 2, Fig. 3, a kind of method for detecting Network Packet Loss situation of the present invention, one kind detection Network Packet Loss The method of situation, methods described are detected based on the value for calculating TCP large-spacings rate=TCP large-spacings number/TCP total linear spacings number Network Packet Loss situation, there are following three kinds of situations：
I) TCP bags order reaches, and does not occur Network Packet Loss；
Because TCP large-spacings number is equal to n-1 equal to 0, TCP total linear spacings number；
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
Ii) the out of order arrival of TCP bags, it is non-to retransmit bag, do not occur Network Packet Loss；
Because TCP large-spacings number is equal to n-1 equal to 0, TCP total linear spacings number；
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
Iii) the out of order arrival of TCP bags, bag is retransmitted, Network Packet Loss occurs.
Because TCP large-spacings number is equal to n-1 more than or equal to 1, TCP total linear spacings number；
Therefore, TCP large-spacings rate is more than or equal to TCP large-spacings number/TCP total linear spacings number, i.e. 1/n-1.
TCP large-spacings number is that TCP receives the number that interval is more than interval threshold values；TCP total linear spacings number is the total bag numbers -1 of TCP.
Though non-re-transmission bag is out of order, arrival time difference is little, receives interval still less than interval threshold.
A kind of embodiment of the method for detecting Network Packet Loss situation of the present invention：
TCP bags order as shown in Figure 1 reaches, and does not occur Network Packet Loss：
Because TCP large-spacings number is equal to 0, TCP total linear spacings number and is equal to 5.
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
The out of order arrival of TCP bags as shown in Figure 2, does not occur Network Packet Loss：
Because TCP large-spacings number is equal to 0, TCP total linear spacings number and is equal to 5.
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
, there is Network Packet Loss in the out of order arrival of TCP bags as shown in Figure 3：
Because TCP large-spacings number is equal to 1, TCP total linear spacings number and is equal to 5.
Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 20%.
Advantages of the present invention is as follows：
(1) TCP large-spacing rate indexs are proposed, can accurately identify network whether packet loss；
(2) IPTV/OTT video quality fault location accuracies are improved, the data of OTT video quality monitoring systems more may be used Believe, be more valuable
The present invention determines whether the numerical value of TCP large-spacing rates determines whether more than 0 by the calculating to TCP large-spacing rates There is Network Packet Loss, then the position of failure judgement, improve IPTV/OTT video quality fault location accuracies, and then improve IPTV/ The accuracy and availability of OTT video qualities monitoring, carry out for IPTV/OTT business and carry out guarantee.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation Technical scheme, all fall within protection scope of the present invention.

Claims (4)

  1. A kind of 1. method for detecting Network Packet Loss situation, it is characterised in that：Methods described be based on calculate TCP large-spacings rates= The value of TCP large-spacings number/TCP total linear spacings number carries out detecting Network Packet Loss situation, there is following three kinds of situations：
    I) TCP bags order reaches, and does not occur Network Packet Loss；
    Ii) the out of order arrival of TCP bags, it is non-to retransmit bag, do not occur Network Packet Loss；
    Iii) the out of order arrival of TCP bags, bag is retransmitted, Network Packet Loss occurs.
  2. A kind of 2. method for detecting Network Packet Loss situation according to claim 1, it is characterised in that：TCP large-spacing numbers are TCP receives the number that interval is more than interval threshold values；TCP total linear spacings number is the total bag numbers -1 of TCP.
  3. A kind of 3. method for detecting Network Packet Loss situation according to claim 1, it is characterised in that：Though non-retransmit bag disorderly Sequence, but arrival time difference is little, receives interval still less than interval threshold.
  4. A kind of 4. method for detecting Network Packet Loss situation according to claim 1, it is characterised in that：
    TCP bags order reaches, and does not occur Network Packet Loss：
    Because TCP large-spacings number is equal to n-1 equal to 0, TCP total linear spacings number；
    Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
    The out of order arrival of TCP bags, it is non-to retransmit bag, do not occur Network Packet Loss：
    Because TCP large-spacings number is equal to n-1 equal to 0, TCP total linear spacings number；
    Therefore, TCP large-spacings rate is equal to TCP large-spacings number/TCP total linear spacings number, i.e., and 0%.
    The out of order arrival of TCP bags, bag is retransmitted, Network Packet Loss occurs：
    Because TCP large-spacings number is equal to n-1 more than or equal to 1, TCP total linear spacings number；
    Therefore, TCP large-spacings rate is more than or equal to TCP large-spacings number/TCP total linear spacings number, i.e. 1/n-1.
CN201710771830.8A 2017-08-31 2017-08-31 A kind of method for detecting Network Packet Loss situation Pending CN107395441A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112565024A (en) * 2021-01-06 2021-03-26 北京网深科技有限公司 More accurate network data packet loss warning method

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CN101123571A (en) * 2006-08-07 2008-02-13 北京三星通信技术研究有限公司 Adjustment method for scheduling policy based on self-adapted jitter buffer
CN101686100A (en) * 2008-09-25 2010-03-31 华为技术有限公司 Method for disposing lost packet, method for controlling transmission quality, device and system thereof
US20110314351A1 (en) * 2010-06-18 2011-12-22 Fujitsu Limited Data transfer device, method, and program
CN103379360A (en) * 2012-04-23 2013-10-30 华为技术有限公司 Assessment method and device for video quality
CN103840917A (en) * 2014-03-28 2014-06-04 北京邮电大学 Multipath parallel transmission scheme based on network coding
CN105591843A (en) * 2016-02-06 2016-05-18 中国科学院计算技术研究所 Network performance detection method and system based on receiving end in TCP transmission stream
CN106878191A (en) * 2015-12-14 2017-06-20 华为技术有限公司 A kind of data transferring method, sending node, receiving node and data communication system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101123571A (en) * 2006-08-07 2008-02-13 北京三星通信技术研究有限公司 Adjustment method for scheduling policy based on self-adapted jitter buffer
CN101686100A (en) * 2008-09-25 2010-03-31 华为技术有限公司 Method for disposing lost packet, method for controlling transmission quality, device and system thereof
US20110314351A1 (en) * 2010-06-18 2011-12-22 Fujitsu Limited Data transfer device, method, and program
CN103379360A (en) * 2012-04-23 2013-10-30 华为技术有限公司 Assessment method and device for video quality
CN103840917A (en) * 2014-03-28 2014-06-04 北京邮电大学 Multipath parallel transmission scheme based on network coding
CN106878191A (en) * 2015-12-14 2017-06-20 华为技术有限公司 A kind of data transferring method, sending node, receiving node and data communication system
CN105591843A (en) * 2016-02-06 2016-05-18 中国科学院计算技术研究所 Network performance detection method and system based on receiving end in TCP transmission stream

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112565024A (en) * 2021-01-06 2021-03-26 北京网深科技有限公司 More accurate network data packet loss warning method
CN112565024B (en) * 2021-01-06 2023-04-07 北京网深科技有限公司 Method for alarming network data packet loss

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Effective date of registration: 20190326

Address after: 210006 Tongyu Building, 501 Zhongshan South Road, Nanjing City, Jiangsu Province

Applicant after: Tianyi Smart Family Technology Co., Ltd.

Address before: 210000 Tongfu Building, 501 Zhongshan South Road, Nanjing City, Jiangsu Province

Applicant before: Jiangsu Public Information Co., Ltd.

RJ01 Rejection of invention patent application after publication
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Application publication date: 20171124