SE9702604L - Detection of loop - Google Patents
Detection of loopInfo
- Publication number
- SE9702604L SE9702604L SE9702604A SE9702604A SE9702604L SE 9702604 L SE9702604 L SE 9702604L SE 9702604 A SE9702604 A SE 9702604A SE 9702604 A SE9702604 A SE 9702604A SE 9702604 L SE9702604 L SE 9702604L
- Authority
- SE
- Sweden
- Prior art keywords
- loop
- detection
- source
- detection means
- switch
- Prior art date
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.
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 |
AU82516/98A AU8251698A (en) | 1997-07-04 | 1998-07-03 | Loop detection |
CA002294807A CA2294807A1 (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 SE9702604D0 (en) | 1997-07-04 |
SE9702604L true 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)
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)
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 |
-
1997
- 1997-07-04 SE SE9702604A patent/SE512055C2/en not_active IP Right Cessation
-
1998
- 1998-07-03 CN CN 98808820 patent/CN1132493C/en not_active Expired - Fee Related
- 1998-07-03 CA CA002294807A patent/CA2294807A1/en not_active Abandoned
- 1998-07-03 AU AU82516/98A patent/AU8251698A/en not_active Abandoned
- 1998-07-03 GB GB9930819A patent/GB2343085B/en not_active Expired - Fee Related
- 1998-07-03 JP JP50703999A patent/JP2002510454A/en active Pending
- 1998-07-03 WO PCT/SE1998/001314 patent/WO1999002009A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1999002009A2 (en) | 1999-01-14 |
GB2343085B (en) | 2002-07-31 |
GB9930819D0 (en) | 2000-02-16 |
GB2343085A (en) | 2000-04-26 |
JP2002510454A (en) | 2002-04-02 |
CN1132493C (en) | 2003-12-24 |
CA2294807A1 (en) | 1999-01-14 |
SE9702604D0 (en) | 1997-07-04 |
WO1999002009A3 (en) | 1999-05-06 |
CN1269955A (en) | 2000-10-11 |
SE512055C2 (en) | 2000-01-17 |
AU8251698A (en) | 1999-01-25 |
GB2343085A8 (en) | 2000-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |