DE19882639T1 - Verfahren und Apparat zur Durchführung eines In-Service-Servicequalitätstests - Google Patents

Verfahren und Apparat zur Durchführung eines In-Service-Servicequalitätstests

Info

Publication number
DE19882639T1
DE19882639T1 DE19882639T DE19882639T DE19882639T1 DE 19882639 T1 DE19882639 T1 DE 19882639T1 DE 19882639 T DE19882639 T DE 19882639T DE 19882639 T DE19882639 T DE 19882639T DE 19882639 T1 DE19882639 T1 DE 19882639T1
Authority
DE
Germany
Prior art keywords
service quality
quality test
test
service
quality
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.)
Withdrawn
Application number
DE19882639T
Other languages
English (en)
Inventor
Paul W Kelley
Stuart P Maceachern
Ralph L Beck
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 Technologies Inc
Original Assignee
Visual Networks Technologies 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26735892&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19882639(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Visual Networks Technologies Inc filed Critical Visual Networks Technologies Inc
Publication of DE19882639T1 publication Critical patent/DE19882639T1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478Provisions for broadband connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5614User Network Interface
    • H04L2012/5616Terminal equipment, e.g. codecs, synch.
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5625Operations, administration and maintenance [OAM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5628Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5638Services, e.g. multimedia, GOS, QOS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/10Active monitoring, e.g. heartbeat, ping or trace-route
    • H04L43/106Active monitoring, e.g. heartbeat, ping or trace-route using time related information in packets, e.g. by adding timestamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE19882639T 1997-08-26 1998-08-24 Verfahren und Apparat zur Durchführung eines In-Service-Servicequalitätstests Withdrawn DE19882639T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5695597P 1997-08-26 1997-08-26
US08/992,755 US6147998A (en) 1997-08-26 1997-12-17 Method and apparatus for performing in-service quality of service testing
PCT/US1998/017496 WO1999011094A1 (en) 1997-08-26 1998-08-24 Method and apparatus for performing in-service quality of service testing

Publications (1)

Publication Number Publication Date
DE19882639T1 true DE19882639T1 (de) 2000-08-10

Family

ID=26735892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882639T Withdrawn DE19882639T1 (de) 1997-08-26 1998-08-24 Verfahren und Apparat zur Durchführung eines In-Service-Servicequalitätstests

Country Status (6)

Country Link
US (1) US6147998A (de)
AU (1) AU9116598A (de)
CA (1) CA2301896A1 (de)
DE (1) DE19882639T1 (de)
GB (1) GB2344255A (de)
WO (1) WO1999011094A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3576811B2 (ja) * 1998-05-22 2004-10-13 日本電気株式会社 QoSマネジメント装置
US7106698B1 (en) * 1998-09-16 2006-09-12 Cisco Technology, Inc. System for triggering the control plane in an asynchronous connection-oriented transmission network
GB9828593D0 (en) * 1998-12-23 1999-02-17 Northern Telecom Ltd A method of monitoring packet communications traffic
US6763024B1 (en) * 1999-10-14 2004-07-13 Alcatel Canada Inc. Method and devices for cell loss detection in ATM telecommunication devices
WO2001039419A2 (en) * 1999-11-29 2001-05-31 Verizon Laboratories Inc. System and method for monitoring the performance and quality of service provided by a communication service or network
US6895440B1 (en) * 2000-05-25 2005-05-17 Cisco Technology, Inc. Network component performance testing
FI20001578A (fi) 2000-06-30 2001-12-31 Nokia Networks Oy QoS-arkkitehtuuri
US6961315B1 (en) * 2000-11-21 2005-11-01 At&T Corp. Technique for monitoring conversational voice over packet
US7376132B2 (en) * 2001-03-30 2008-05-20 Verizon Laboratories Inc. Passive system and method for measuring and monitoring the quality of service in a communications network
US7496046B2 (en) * 2001-08-22 2009-02-24 Nippon Telegraph And Telephone Corporation Packet communication quality measurement method and system
US7596373B2 (en) * 2002-03-21 2009-09-29 Mcgregor Christopher M Method and system for quality of service (QoS) monitoring for wireless devices
JP2003288279A (ja) * 2002-03-28 2003-10-10 Hitachi Ltd 記憶装置間の障害検出方法、及びこれに用いられる記憶装置
US7092995B2 (en) * 2002-06-25 2006-08-15 Microsoft Corporation Testing distributed applications
US7469282B2 (en) 2003-01-21 2008-12-23 At&T Intellectual Property I, L.P. Method and system for provisioning and maintaining a circuit in a data network
US7391734B2 (en) * 2003-01-21 2008-06-24 At&T Delaware Intellectual Property Corporation, Inc. Method and system for obtaining logical performance data for a circuit in a data network
US7639623B2 (en) * 2003-12-23 2009-12-29 At&T Intellectual Property I, L.P. Method and system for real time simultaneous monitoring of logical circuits in a data network
US7630302B2 (en) 2003-12-23 2009-12-08 At&T Intellectual Property I, L.P. Method and system for providing a failover circuit for rerouting logical circuit data in a data network
US8203933B2 (en) 2003-12-23 2012-06-19 At&T Intellectual Property I, L.P. Method and system for automatically identifying a logical circuit failure in a data network
US7646707B2 (en) 2003-12-23 2010-01-12 At&T Intellectual Property I, L.P. Method and system for automatically renaming logical circuit identifiers for rerouted logical circuits in a data network
US7609623B2 (en) 2003-12-23 2009-10-27 At&T Intellectual Property I, L.P. Method and system for automatically rerouting data from an overbalanced logical circuit in a data network
US8223632B2 (en) 2003-12-23 2012-07-17 At&T Intellectual Property I, L.P. Method and system for prioritized rerouting of logical circuit data in a data network
US7639606B2 (en) 2003-12-23 2009-12-29 At&T Intellectual Property I, L.P. Method and system for automatically rerouting logical circuit data in a virtual private network
US8199638B2 (en) 2003-12-23 2012-06-12 At&T Intellectual Property I, L.P. Method and system for automatically rerouting logical circuit data in a data network
US7460468B2 (en) 2004-04-22 2008-12-02 At&T Intellectual Property I, L.P. Method and system for automatically tracking the rerouting of logical circuit data in a data network
US7768904B2 (en) 2004-04-22 2010-08-03 At&T Intellectual Property I, L.P. Method and system for fail-safe renaming of logical circuit identifiers for rerouted logical circuits in a data network
US7466646B2 (en) 2004-04-22 2008-12-16 At&T Intellectual Property I, L.P. Method and system for automatically rerouting logical circuit data from a logical circuit failure to dedicated backup circuit in a data network
US8339988B2 (en) 2004-04-22 2012-12-25 At&T Intellectual Property I, L.P. Method and system for provisioning logical circuits for intermittent use in a data network
US7599308B2 (en) 2005-02-04 2009-10-06 Fluke Corporation Methods and apparatus for identifying chronic performance problems on data networks
CN100382517C (zh) * 2005-04-04 2008-04-16 杭州华三通信技术有限公司 网络服务质量测试方法及***
CN100463418C (zh) * 2005-11-23 2009-02-18 杭州华三通信技术有限公司 网络性能测试方法、***及网络设备
US8295162B2 (en) 2006-05-16 2012-10-23 At&T Intellectual Property I, L.P. System and method to achieve sub-second routing performance

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440664A1 (fr) * 1978-10-31 1980-05-30 Thomson Csf Dispositif de mesure de la qualite d'une liaison numerique et equipements de transmission comportant un tel dispositif
DE3027755A1 (de) * 1980-07-22 1982-02-11 Siemens AG, 1000 Berlin und 8000 München Verfahren zur ueberwachung von zwischenregeneratoren
US4713810A (en) * 1985-09-19 1987-12-15 Gte Sprint Communications Corp. Diagnostic technique for determining fault locations within a digital transmission system
JPS6295050A (ja) * 1985-10-22 1987-05-01 Kokusai Denshin Denwa Co Ltd <Kdd> デイジタル中継器監視用符号の伝送方式
US4742518A (en) * 1986-05-27 1988-05-03 American Telephone And Telegraph Company, At&T Bell Laboratories Fault location system for a digital transmission line
US4750175A (en) * 1986-08-29 1988-06-07 Pactel Communications Companies Network diagnostic apparatus and method
DE3912660C1 (de) * 1989-04-18 1990-08-30 Wandel & Goltermann Gmbh & Co, 7412 Eningen, De
JPH036156A (ja) * 1989-06-01 1991-01-11 Mitsubishi Electric Corp データ伝送路障害検知回路
US5191583A (en) * 1989-11-03 1993-03-02 Microcom Systems, Inc. Method and apparatus for effecting efficient transmission of data
JPH03186022A (ja) * 1989-12-15 1991-08-14 Mitsubishi Electric Corp 障害検出装置
DE69015165T2 (de) * 1990-05-15 1995-05-24 Bell Telephone Mfg Einrichtung zur Bewertung der Übertragungsqualität.
EP0528075A1 (de) * 1991-08-19 1993-02-24 ALCATEL BELL Naamloze Vennootschap Verfahren und Vorrichtung zum Messen der Leistung in einer Telekommunkationsleitung
JP3149976B2 (ja) * 1991-10-23 2001-03-26 日本電気株式会社 ディジタル通信装置の監視システム
JPH05292114A (ja) * 1992-04-09 1993-11-05 Fujitsu Ltd 通信パス設定装置及びその方法
KR100293920B1 (ko) * 1993-06-12 2001-09-17 윤종용 비동기전송모드의사용자망접속인터페이스의트래픽제어장치및방법
JP3249648B2 (ja) * 1993-07-19 2002-01-21 富士通株式会社 Atm交換機及びその試験方法
US5450394A (en) * 1994-03-10 1995-09-12 Northern Telecom Limited Delay monitoring of telecommunication networks
US5515363A (en) * 1994-06-30 1996-05-07 Digital Equipment Corporation Traffic shaping system with transmit latency feedback for asynchronous transfer mode networks
US5563874A (en) * 1995-01-27 1996-10-08 Bell Communications Research, Inc. Error monitoring algorithm for broadband signaling
US5533009A (en) * 1995-02-03 1996-07-02 Bell Communications Research, Inc. Bandwidth management and access control for an ATM network
US5590116A (en) * 1995-02-09 1996-12-31 Wandel & Goltermann Technologies, Inc. Multiport analyzing, time stamp synchronizing and parallel communicating
US5524006A (en) * 1995-02-15 1996-06-04 Motorola, Inc. Second-order leaky bucket device and method for traffic management in cell relay networks
US5521907A (en) * 1995-04-25 1996-05-28 Visual Networks, Inc. Method and apparatus for non-intrusive measurement of round trip delay in communications networks
US5764626A (en) * 1995-11-17 1998-06-09 Telecommunications Techniques Corporation Rate-matched cell identification and modification, replacement, or insertion for test and measurement of ATM network virtual connections

Also Published As

Publication number Publication date
AU9116598A (en) 1999-03-16
GB2344255A (en) 2000-05-31
GB2344255A8 (en) 2000-06-28
GB0004009D0 (en) 2000-04-12
WO1999011094A1 (en) 1999-03-04
US6147998A (en) 2000-11-14
CA2301896A1 (en) 1999-03-04

Similar Documents

Publication Publication Date Title
DE19882639T1 (de) Verfahren und Apparat zur Durchführung eines In-Service-Servicequalitätstests
DE69726339D1 (de) Verfahren und Apparat zur Sprachübersetzung
DE69829717D1 (de) Apparat und Verfahren zur Inspektion von Wasserleitungen
DE69837503D1 (de) Vorrichtung und Verfahren zur Prüfung von optischen Anordnungen
DE69827451D1 (de) Verfahren und Vorrichtung zur Realzeitaufzeichnung für eine Telekommunikationsdienstnutzung
DE69831306D1 (de) Apparat und Verfahren zum Aufzeichnen
DE69738429D1 (de) Verfahren und vorrichtung zum dynamischen lastausgleich durch weiterreichen
DE69701808D1 (de) Verfahren und apparat zum entschwefeln von brenngas
DE69840168D1 (de) Verfahren und apparat zur proben-entnahme von verunreinigungen
DE69533020D1 (de) Verfahren und apparat zur kompilierung paralleler bildverarbeitungsprogramme
DE69635717D1 (de) Verfahren zum Bestimmen eines Analyten und Vorrichtung dafür
DE60040706D1 (de) Verfahren und Apparat zur Blattdicken- und Schwellungsmessung
PL325914A1 (en) Testing apparatus, application thereof, analysing system, method of making such apparatus and method of performing tests by means of such apparatus
DE69708939D1 (de) Apparat für Röntgenaufnahmen und Verfahren zur Bildverarbeitung
DE69739337D1 (de) Apparat und verfahren zum zeichnen
DE60032277D1 (de) Verfahren und Apparat zur Überwachung von Spannkräften in einem elektrostatischen Scheibenhalter
DE69737129D1 (de) Verfahren und Vorrichtung zur Bildqualitätskontrolle
DE69926063D1 (de) Apparat zur trennung und reinigung eines gesättigten kohlenwasserstoffs und verfahren zur trennung und reinigung
NO20003871D0 (no) Apparat og fremgangsmÕte for testing av smøreevne
DE69930575D1 (de) Vorrichtung und Verfahren zur Echtzeitmessung der Qualität von Digitaldrucken
DE69735181D1 (de) Verfahren und Vorrichtung für virtuelle Architektur
DE69933726D1 (de) Verfahren und Apparat für verbesserte Inspektionsmessungen
DE69831648T2 (de) Apparat und Verfahren zum Aufzeichnen
DE69929408D1 (de) Verfahren und Vorrichtung zur Bildqualitätsveränderung
DE69832471D1 (de) Verfahren und apparat zur messung von fluidischen drücken

Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee