DE602005003893D1 - Verfahren und Vorrichtung zur nicht-intrusiven Messung der Verzögerungsänderung von Datenverkehr in Kommunikationsnetzwerken - Google Patents

Verfahren und Vorrichtung zur nicht-intrusiven Messung der Verzögerungsänderung von Datenverkehr in Kommunikationsnetzwerken

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Publication number
DE602005003893D1
DE602005003893D1 DE602005003893T DE602005003893T DE602005003893D1 DE 602005003893 D1 DE602005003893 D1 DE 602005003893D1 DE 602005003893 T DE602005003893 T DE 602005003893T DE 602005003893 T DE602005003893 T DE 602005003893T DE 602005003893 D1 DE602005003893 D1 DE 602005003893D1
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DE
Germany
Prior art keywords
pdus
point
timestamps
data traffic
computing
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602005003893T
Other languages
English (en)
Other versions
DE602005003893T2 (de
Inventor
Naresh Kumar Kannan
Thomas Kouhsari
James Thomas Menzies
Thomas R Nisbet
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.)
Visual Networks Inc
Original Assignee
Visual Networks Operations Inc
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.)
Filing date
Publication date
Application filed by Visual Networks Operations Inc filed Critical Visual Networks Operations Inc
Publication of DE602005003893D1 publication Critical patent/DE602005003893D1/de
Application granted granted Critical
Publication of DE602005003893T2 publication Critical patent/DE602005003893T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
    • 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
    • H04L43/0852—Delays
    • H04L43/087—Jitter
    • 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
    • H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
    • H04L43/106—Active monitoring, e.g. heartbeat, ping or trace-route using time related information in packets, e.g. by adding timestamps
    • 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
    • H04L43/12—Network monitoring probes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/248—Distortion measuring systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5628—Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5629—Admission control
    • H04L2012/5631—Resource management and allocation
    • H04L2012/5636—Monitoring or policing, e.g. compliance with allocated rate, corrective actions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5649—Cell delay or jitter
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE602005003893T 2004-10-08 2005-09-30 Verfahren und Vorrichtung zur nicht-intrusiven Messung der Verzögerungsänderung von Datenverkehr in Kommunikationsnetzwerken Active DE602005003893T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US61684204P 2004-10-08 2004-10-08
US616842P 2004-10-08
US974023 2004-10-27
US10/974,023 US20060077902A1 (en) 2004-10-08 2004-10-27 Methods and apparatus for non-intrusive measurement of delay variation of data traffic on communication networks

Publications (2)

Publication Number Publication Date
DE602005003893D1 true DE602005003893D1 (de) 2008-01-31
DE602005003893T2 DE602005003893T2 (de) 2009-04-30

Family

ID=35285597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003893T Active DE602005003893T2 (de) 2004-10-08 2005-09-30 Verfahren und Vorrichtung zur nicht-intrusiven Messung der Verzögerungsänderung von Datenverkehr in Kommunikationsnetzwerken

Country Status (5)

Country Link
US (1) US20060077902A1 (de)
EP (1) EP1646183B1 (de)
AT (1) ATE381825T1 (de)
CA (1) CA2519751A1 (de)
DE (1) DE602005003893T2 (de)

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Also Published As

Publication number Publication date
EP1646183A1 (de) 2006-04-12
CA2519751A1 (en) 2006-04-08
DE602005003893T2 (de) 2009-04-30
ATE381825T1 (de) 2008-01-15
US20060077902A1 (en) 2006-04-13
EP1646183B1 (de) 2007-12-19

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