SE9702604D0 - Loop Detection - Google Patents

Loop Detection

Info

Publication number
SE9702604D0
SE9702604D0 SE9702604A SE9702604A SE9702604D0 SE 9702604 D0 SE9702604 D0 SE 9702604D0 SE 9702604 A SE9702604 A SE 9702604A SE 9702604 A SE9702604 A SE 9702604A SE 9702604 D0 SE9702604 D0 SE 9702604D0
Authority
SE
Sweden
Prior art keywords
loop
loop detection
source
detection means
switch
Prior art date
Application number
SE9702604A
Other languages
Swedish (sv)
Other versions
SE9702604L (en
SE512055C2 (en
Inventor
Gert Oester
Joergen Axell
Goeran Haagaard
Loa Andersson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9702604A priority Critical patent/SE512055C2/en
Publication of SE9702604D0 publication Critical patent/SE9702604D0/en
Priority to GB9930819A priority patent/GB2343085B/en
Priority to CN 98808820 priority patent/CN1132493C/en
Priority to PCT/SE1998/001314 priority patent/WO1999002009A2/en
Priority to JP50703999A priority patent/JP2002510454A/en
Priority to CA002294807A priority patent/CA2294807A1/en
Priority to AU82516/98A priority patent/AU8251698A/en
Publication of SE9702604L publication Critical patent/SE9702604L/en
Publication of SE512055C2 publication Critical patent/SE512055C2/en

Links

Classifications

    • 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
    • H04L2012/5625—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
    • H04L2012/5628—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
    • H04L2012/5638—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

Abstract

The invention relates to a loop-detection means produced by a source switch AS when establishing a route to a destination switch ES wherein the loop-detection means is a loop back cell (20) having the source switch AS in both source (21) and turning point (22) fields.
SE9702604A 1997-07-04 1997-07-04 Detection of loop SE512055C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9702604A SE512055C2 (en) 1997-07-04 1997-07-04 Detection of loop
GB9930819A GB2343085B (en) 1997-07-04 1998-07-03 Loop detection
CN 98808820 CN1132493C (en) 1997-07-04 1998-07-03 loop detection
PCT/SE1998/001314 WO1999002009A2 (en) 1997-07-04 1998-07-03 Loop detection
JP50703999A JP2002510454A (en) 1997-07-04 1998-07-03 Loop detection
CA002294807A CA2294807A1 (en) 1997-07-04 1998-07-03 Loop detection
AU82516/98A AU8251698A (en) 1997-07-04 1998-07-03 Loop detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9702604A SE512055C2 (en) 1997-07-04 1997-07-04 Detection of loop

Publications (3)

Publication Number Publication Date
SE9702604D0 true SE9702604D0 (en) 1997-07-04
SE9702604L SE9702604L (en) 1999-01-05
SE512055C2 SE512055C2 (en) 2000-01-17

Family

ID=20407656

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9702604A SE512055C2 (en) 1997-07-04 1997-07-04 Detection of loop

Country Status (7)

Country Link
JP (1) JP2002510454A (en)
CN (1) CN1132493C (en)
AU (1) AU8251698A (en)
CA (1) CA2294807A1 (en)
GB (1) GB2343085B (en)
SE (1) SE512055C2 (en)
WO (1) WO1999002009A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100344116C (en) * 2004-04-20 2007-10-17 北京润光泰力科技发展有限公司 A method and apparatus for Ethernet converter line side loop back detection
CN1734991B (en) * 2004-08-13 2010-08-18 中兴通讯股份有限公司 Method for detecting multi-service transmission platform device service loopback
US7706258B2 (en) * 2004-12-22 2010-04-27 Alcatel Lucent System and method for detecting loops in a customer-provider bridge domain
CN100403705C (en) * 2006-03-30 2008-07-16 华为技术有限公司 Loopback detecting method for PPP package interface
TWI469568B (en) * 2010-04-22 2015-01-11 Hon Hai Prec Ind Co Ltd Switching device and loopback detecting method thereof
CN102055525B (en) * 2010-12-17 2016-03-16 北京格林伟迪科技股份有限公司 loop detection and control method
CN103220218B (en) 2013-04-28 2016-03-30 杭州华三通信技术有限公司 The method and apparatus of anti-loops in vertical stack networking

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014262A (en) * 1990-01-02 1991-05-07 At&T Bell Laboratories Apparatus and method for detecting and eliminating call looping in a node-by-node routing network
NL9200279A (en) * 1992-02-14 1993-09-01 Nederland Ptt METHOD FOR DETECTING A ROUTING LOOP IN A TELECOMMUNICATIONS NETWORK, TELECOMMUNICATIONS NETWORK FOR APPLICATION OF THE METHOD AND DETECTORS FOR USE IN THE TELECOMMUNICATIONS NETWORK.
FI98261C (en) * 1994-05-24 1997-05-12 Nokia Telecommunications Oy Method of preventing circular routing in a data communication network
US5710760A (en) * 1995-11-29 1998-01-20 Lucent Technologies Inc. Out-of-band control for performing a loopback test for asynchronous transfer mode (ATM) networks

Also Published As

Publication number Publication date
AU8251698A (en) 1999-01-25
WO1999002009A3 (en) 1999-05-06
GB2343085B (en) 2002-07-31
SE9702604L (en) 1999-01-05
WO1999002009A2 (en) 1999-01-14
GB2343085A8 (en) 2000-05-18
JP2002510454A (en) 2002-04-02
GB9930819D0 (en) 2000-02-16
GB2343085A (en) 2000-04-26
CA2294807A1 (en) 1999-01-14
SE512055C2 (en) 2000-01-17
CN1132493C (en) 2003-12-24
CN1269955A (en) 2000-10-11

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Legal Events

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