DE69534681D1 - Apparat und Methode zur Detektierung von Zeitüberschreitungen - Google Patents

Apparat und Methode zur Detektierung von Zeitüberschreitungen

Info

Publication number
DE69534681D1
DE69534681D1 DE69534681T DE69534681T DE69534681D1 DE 69534681 D1 DE69534681 D1 DE 69534681D1 DE 69534681 T DE69534681 T DE 69534681T DE 69534681 T DE69534681 T DE 69534681T DE 69534681 D1 DE69534681 D1 DE 69534681D1
Authority
DE
Germany
Prior art keywords
timeouts
detecting
detecting timeouts
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.)
Expired - Fee Related
Application number
DE69534681T
Other languages
English (en)
Other versions
DE69534681T2 (de
Inventor
Takeshi Kawasaki
Jyoei Kamoi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69534681D1 publication Critical patent/DE69534681D1/de
Application granted granted Critical
Publication of DE69534681T2 publication Critical patent/DE69534681T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • 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
    • H04L2012/5603—Access techniques
    • H04L2012/5609—Topology
    • H04L2012/561—Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
    • 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
    • H04L2012/5619—Network Node Interface, e.g. tandem connections, transit switching
    • 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
    • H04L2012/5625—Operations, administration and maintenance [OAM]
    • H04L2012/5627—Fault tolerance and recovery
    • 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
    • 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
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
    • 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
    • H04L69/28—Timers or timing mechanisms used in protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Communication Control (AREA)
DE69534681T 1994-06-10 1995-05-17 Apparat und Methode zur Detektierung von Zeitüberschreitungen Expired - Fee Related DE69534681T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12880494A JP3560364B2 (ja) 1994-06-10 1994-06-10 タイムアウト判別装置、方法および通信装置
JP12880494 1994-06-10

Publications (2)

Publication Number Publication Date
DE69534681D1 true DE69534681D1 (de) 2006-01-19
DE69534681T2 DE69534681T2 (de) 2006-08-31

Family

ID=14993843

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69534681T Expired - Fee Related DE69534681T2 (de) 1994-06-10 1995-05-17 Apparat und Methode zur Detektierung von Zeitüberschreitungen

Country Status (4)

Country Link
US (1) US5734641A (de)
EP (1) EP0687121B1 (de)
JP (1) JP3560364B2 (de)
DE (1) DE69534681T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2738504B2 (ja) * 1994-07-22 1998-04-08 沖電気工業株式会社 タイムアウト監視装置
JPH1063544A (ja) * 1996-08-20 1998-03-06 Toshiba Corp タイムアウト監視方式
JPH11103294A (ja) * 1997-09-26 1999-04-13 Sony Corp パケット伝送制御方法および装置
US6061788A (en) * 1997-10-02 2000-05-09 Siemens Information And Communication Networks, Inc. System and method for intelligent and reliable booting
US6606372B2 (en) * 2001-05-30 2003-08-12 Harris Corporation System and method of testing an IDSL communications line
US7124181B1 (en) * 2001-06-29 2006-10-17 Mcafee, Inc. System, method and computer program product for improved efficiency in network assessment utilizing variable timeout values
US7003775B2 (en) * 2001-08-17 2006-02-21 Hewlett-Packard Development Company, L.P. Hardware implementation of an application-level watchdog timer
DE10148752A1 (de) * 2001-10-02 2003-04-17 Siemens Ag Zeitüberwachung bei azyklischer Kommunikation
JP4579629B2 (ja) * 2004-09-16 2010-11-10 キヤノン株式会社 通信装置
JP4684144B2 (ja) * 2006-03-24 2011-05-18 富士通株式会社 １対複数通信システムにおける通信方法及び同システムに用いられる子伝送装置
US8453016B2 (en) * 2007-09-23 2013-05-28 Dell Products L.P. Methods and systems for managing response data in an information handling system
US8261134B2 (en) * 2009-02-02 2012-09-04 Cray Inc. Error management watchdog timers in a multiprocessor computer
CN103067220B (zh) * 2012-12-19 2016-02-10 中兴通讯股份有限公司 参数更新情况下双向链路转发检测方法及装置
US9571353B1 (en) * 2014-06-12 2017-02-14 Amazon Technologies, Inc. Compact service status processing

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423573A (en) * 1977-07-22 1979-02-22 Nec Corp Electronic watch
JPS58121840A (ja) * 1982-01-14 1983-07-20 Nec Corp 装置間通信線監視方式
JPS6431245A (en) * 1987-07-27 1989-02-01 Fujitsu Ltd System for supervizing time
JPS6448154A (en) * 1987-08-19 1989-02-22 Fujitsu Ltd Bus arbitrating circuit with timeout monitor
US5012435A (en) * 1988-11-17 1991-04-30 International Business Machines Corporation Multiple event timer circuit
US5179557A (en) * 1989-07-04 1993-01-12 Kabushiki Kaisha Toshiba Data packet communication system in which data packet transmittal is prioritized with queues having respective assigned priorities and frequency weighted counting of queue wait time
DE69132388T2 (de) * 1990-06-18 2001-03-01 Fujitsu Ltd System zur Zurückschaltung für ein ATM-Netzwerk
US5291491A (en) * 1991-01-22 1994-03-01 Digital Equipment Corporation Avoidance of false re-initialization of a computer network
JPH0512143A (ja) * 1991-07-05 1993-01-22 Fujitsu Ltd 複流バスにおける障害検出方式
JP2833307B2 (ja) * 1991-12-11 1998-12-09 株式会社日立製作所 通信制御システムにおけるタイマ制御方法
US5390324A (en) * 1992-10-02 1995-02-14 Compaq Computer Corporation Computer failure recovery and alert system
US5581794A (en) * 1992-12-18 1996-12-03 Amdahl Corporation Apparatus for generating a channel time-out signal after 16.38 milliseconds
US5477476A (en) * 1993-07-14 1995-12-19 Bayview Technology Group, Inc. Power-conservation system for computer peripherals

Also Published As

Publication number Publication date
JPH07336351A (ja) 1995-12-22
JP3560364B2 (ja) 2004-09-02
EP0687121B1 (de) 2005-12-14
EP0687121A2 (de) 1995-12-13
US5734641A (en) 1998-03-31
DE69534681T2 (de) 2006-08-31
EP0687121A3 (de) 1998-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee