WO2002091681A3 - Protecting ring network data - Google Patents
Protecting ring network data Download PDFInfo
- Publication number
- WO2002091681A3 WO2002091681A3 PCT/US2002/013995 US0213995W WO02091681A3 WO 2002091681 A3 WO2002091681 A3 WO 2002091681A3 US 0213995 W US0213995 W US 0213995W WO 02091681 A3 WO02091681 A3 WO 02091681A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ring
- network data
- ring network
- protecting ring
- data
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
- H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6402—Hybrid switching fabrics
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02734162A EP1386452A2 (en) | 2001-05-04 | 2002-05-02 | Protecting ring network data |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28890101P | 2001-05-04 | 2001-05-04 | |
US28891201P | 2001-05-04 | 2001-05-04 | |
US60/288,912 | 2001-05-04 | ||
US60/288,901 | 2001-05-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002091681A2 WO2002091681A2 (en) | 2002-11-14 |
WO2002091681A3 true WO2002091681A3 (en) | 2003-11-27 |
Family
ID=26965319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/013995 WO2002091681A2 (en) | 2001-05-04 | 2002-05-02 | Protecting ring network data |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP1384341A2 (en) |
WO (1) | WO2002091681A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004056364A1 (en) * | 2004-11-22 | 2006-05-24 | Bosch Rexroth Aktiengesellschaft | Method for operating a network with ring topology |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0456206A2 (en) * | 1990-05-09 | 1991-11-13 | Fujitsu Limited | Fault recovery system of a ring network |
EP0548648A2 (en) * | 1991-12-12 | 1993-06-30 | Alcatel N.V. | 1:N Ring-type signal protection apparatus |
US5495472A (en) * | 1993-09-20 | 1996-02-27 | Fujitsu Limited | Methods and apparatus for utilizing protection paths as additional working paths in switched ring network systems |
EP0920153A2 (en) * | 1997-11-28 | 1999-06-02 | Nec Corporation | Ring network for sharing protection resource by working communications paths |
US5974027A (en) * | 1994-02-19 | 1999-10-26 | Gpt Limited | Telecommunications network including a channel switching protection arrangement |
WO2001005083A1 (en) * | 1999-07-12 | 2001-01-18 | Koninklijke Kpn N.V. | Optical transmission network having a protection configuration |
WO2001030006A1 (en) * | 1999-10-18 | 2001-04-26 | Nortel Networks Limited | Communication network for transmitting and restoring an optical signal |
WO2001031821A2 (en) * | 1999-10-29 | 2001-05-03 | Alcatel | Signalling of failures in telecommunication networks |
-
2002
- 2002-05-02 EP EP02734114A patent/EP1384341A2/en not_active Withdrawn
- 2002-05-02 WO PCT/US2002/013995 patent/WO2002091681A2/en not_active Application Discontinuation
- 2002-05-02 EP EP02734162A patent/EP1386452A2/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0456206A2 (en) * | 1990-05-09 | 1991-11-13 | Fujitsu Limited | Fault recovery system of a ring network |
EP0548648A2 (en) * | 1991-12-12 | 1993-06-30 | Alcatel N.V. | 1:N Ring-type signal protection apparatus |
US5495472A (en) * | 1993-09-20 | 1996-02-27 | Fujitsu Limited | Methods and apparatus for utilizing protection paths as additional working paths in switched ring network systems |
US5974027A (en) * | 1994-02-19 | 1999-10-26 | Gpt Limited | Telecommunications network including a channel switching protection arrangement |
EP0920153A2 (en) * | 1997-11-28 | 1999-06-02 | Nec Corporation | Ring network for sharing protection resource by working communications paths |
WO2001005083A1 (en) * | 1999-07-12 | 2001-01-18 | Koninklijke Kpn N.V. | Optical transmission network having a protection configuration |
WO2001030006A1 (en) * | 1999-10-18 | 2001-04-26 | Nortel Networks Limited | Communication network for transmitting and restoring an optical signal |
WO2001031821A2 (en) * | 1999-10-29 | 2001-05-03 | Alcatel | Signalling of failures in telecommunication networks |
Non-Patent Citations (1)
Title |
---|
"SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS TYPES AND CHARACTERISTICS OF SDH NETWORK PROTECTION ARCHITECTURES", ITU-T RECOMMENDATION G.841, XX, XX, October 1998 (1998-10-01), pages COMPLETE, XP000955617 * |
Also Published As
Publication number | Publication date |
---|---|
EP1384341A2 (en) | 2004-01-28 |
WO2002091681A2 (en) | 2002-11-14 |
EP1386452A2 (en) | 2004-02-04 |
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