JP2784080B2
(ja)
|
1990-05-09 |
1998-08-06 |
富士通株式会社 |
リングネットワーク及びその障害復旧方法並びにリングネットワークに用いられるノード
|
GB9403223D0
(en)
*
|
1994-02-19 |
1994-04-13 |
Plessey Telecomm |
Telecommunications network including remote channel switching protection apparatus
|
JP3561848B2
(ja)
*
|
1994-03-01 |
2004-09-02 |
富士通株式会社 |
伝送装置及び冗長構成切替方法
|
JPH07264228A
(ja)
*
|
1994-03-17 |
1995-10-13 |
Fujitsu Ltd |
パスais発生機能を備えるblsrネットワーク
|
JP3135449B2
(ja)
*
|
1994-03-18 |
2001-02-13 |
富士通株式会社 |
光伝送装置
|
KR970003527B1
(ko)
*
|
1994-05-14 |
1997-03-18 |
재단법인 한국전자통신연구소 |
파장분할 다중화 방식을 이용한 양방향 다채널 광 링 통신망
|
JP3439533B2
(ja)
*
|
1994-06-24 |
2003-08-25 |
富士通株式会社 |
選択的保護機能を有するsdh2−ファイバリング光多重装置
|
JPH0897841A
(ja)
*
|
1994-09-29 |
1996-04-12 |
Hitachi Ltd |
パス切替伝送装置の制御方法及びパス切替伝送装置
|
DE69532317T2
(de)
*
|
1994-10-19 |
2004-10-21 |
At & T Corp |
Allgemeine vorbestimmte Stummschaltung in einem Ring-Übertragungssystem
|
KR0129608B1
(ko)
*
|
1994-12-21 |
1998-04-14 |
양승택 |
분기 결합 제어장치
|
US5541759A
(en)
*
|
1995-05-09 |
1996-07-30 |
Microsym Computers, Inc. |
Single fiber transceiver and network
|
JP3259126B2
(ja)
|
1995-09-26 |
2002-02-25 |
富士通株式会社 |
リング伝送システム及び該システムのスケルチ方法
|
AUPN573795A0
(en)
*
|
1995-10-02 |
1995-10-26 |
Telefonaktiebolaget Lm Ericsson (Publ) |
Transmitting data between multiple computer processors
|
AU718290B2
(en)
*
|
1995-10-02 |
2000-04-13 |
Telefonaktiebolaget Lm Ericsson (Publ) |
Transmitting data between multiple computer processors
|
IT1277204B1
(it)
*
|
1995-10-19 |
1997-11-05 |
Pirelli S P A Ora Pirelli Cavi |
Rete di comunicazione ottica trasparente ad anello autoprotetto
|
US5914798A
(en)
*
|
1995-12-29 |
1999-06-22 |
Mci Communications Corporation |
Restoration systems for an optical telecommunications network
|
US5949755A
(en)
*
|
1996-04-12 |
1999-09-07 |
Fujitsu Network Communications, Inc. |
ATM emulated path protection
|
US5920412A
(en)
*
|
1996-04-24 |
1999-07-06 |
Bellsouth Corporation |
Method and apparatus for signal routing in an optical network and an ATM system
|
US5793745A
(en)
*
|
1996-05-06 |
1998-08-11 |
Bell Communications Research, Inc. |
Bundled protection switching in a wide area network background of the invention
|
FR2749725B1
(fr)
*
|
1996-06-06 |
1998-07-31 |
Alcatel Submarcom |
Terminal pour une liaison bidirectionnelle securisee acheminant des donnees multiplexees selon la hierarchie numerique synchrone
|
US5751454A
(en)
*
|
1996-10-10 |
1998-05-12 |
Northern Telecom Limited |
Wavelength bypassed ring networks
|
US7301953B1
(en)
|
1996-10-22 |
2007-11-27 |
Sprint Communications Company L.P. |
Method and system for transporting a secondary communication signal with a primary communication signal
|
US7643500B1
(en)
|
1996-10-22 |
2010-01-05 |
Sprint Communications Company L.P. |
Overhead replication for SONET signals
|
US6055228A
(en)
*
|
1996-12-23 |
2000-04-25 |
Lsi Logic Corporation |
Methods and apparatus for dynamic topology configuration in a daisy-chained communication environment
|
US5991891A
(en)
*
|
1996-12-23 |
1999-11-23 |
Lsi Logic Corporation |
Method and apparatus for providing loop coherency
|
US5909175A
(en)
*
|
1997-02-28 |
1999-06-01 |
Fujitsu Limited |
Connection switching circuit for ring system
|
JPH10336248A
(ja)
*
|
1997-04-01 |
1998-12-18 |
Canon Inc |
通信システム及び通信システムに接続可能な通信装置と、通信システムの制御方法及び通信システムに接続可能な通信装置の制御方法
|
US6631018B1
(en)
|
1997-08-27 |
2003-10-07 |
Nortel Networks Limited |
WDM optical network with passive pass-through at each node
|
CA2254606C
(en)
|
1997-11-28 |
2003-06-17 |
Nec Corporation |
Ring network for sharing protection resource by working communication paths
|
US6052210A
(en)
*
|
1998-01-14 |
2000-04-18 |
Mci Communications Corporation |
System and method for increasing the robustness of an optical ring network
|
US6295146B1
(en)
*
|
1998-01-14 |
2001-09-25 |
Mci Communications Corporation |
System and method for sharing a spare channel among two or more optical ring networks
|
JP2002503056A
(ja)
*
|
1998-02-04 |
2002-01-29 |
クロマティス ネットワークス,インコーポレイテッド |
バーチャル・スター・ネットワーク
|
KR100297590B1
(ko)
*
|
1998-09-18 |
2001-08-07 |
서평원 |
교환기에서 스위치 네트워크의 경로 시험 방법
|
US6301254B1
(en)
|
1999-03-15 |
2001-10-09 |
Tellabs Operations, Inc. |
Virtual path ring protection method and apparatus
|
US6331905B1
(en)
*
|
1999-04-01 |
2001-12-18 |
The Trustees Of Columbia University In The City Of New York |
Network switch failure restoration
|
US7376138B1
(en)
*
|
1999-05-11 |
2008-05-20 |
British Telecommunications Public Limited Company |
Optical communications network
|
US6807190B1
(en)
*
|
1999-05-25 |
2004-10-19 |
Lucent Technologies Inc. |
Survivable distribution of broadcast signals in loopback rings
|
EP1183797A1
(de)
*
|
1999-06-07 |
2002-03-06 |
Chromatis Networks, Inc. |
Doppelhubknotenverbindung für dwdm-netzwerke in faserringnetzen
|
US6657969B1
(en)
|
1999-06-29 |
2003-12-02 |
Cisco Technology, Inc. |
Generation of synchronous transport signal data used for network protection operation
|
JP3586603B2
(ja)
*
|
1999-11-25 |
2004-11-10 |
Necエレクトロニクス株式会社 |
データ転送装置及びデータ転送方法
|
US7099578B1
(en)
|
1999-12-16 |
2006-08-29 |
Tellabs Operations Inc. |
1:N protection in an optical terminal
|
WO2001047158A1
(fr)
*
|
1999-12-20 |
2001-06-28 |
Kabushiki Kaisha Toshiba |
Emetteur et carte d'interface tributaire
|
KR100340725B1
(ko)
*
|
1999-12-29 |
2002-06-20 |
서평원 |
광가입자 전송시스템의 신호경로 설정관리 및자동보호절체 방법
|
US7167444B1
(en)
|
1999-12-29 |
2007-01-23 |
At&T Corp. |
Family ring protection technique
|
US6614785B1
(en)
*
|
2000-01-05 |
2003-09-02 |
Cisco Technology, Inc. |
Automatic propagation of circuit information in a communications network
|
US6616348B1
(en)
*
|
2000-01-28 |
2003-09-09 |
Ciena Corporation |
Method and optical communication network for bidirectional protection protocols
|
JP4215369B2
(ja)
*
|
2000-02-09 |
2009-01-28 |
株式会社日立コミュニケーションテクノロジー |
ネットワーク用伝送装置およびネットワーク伝送システム
|
AU2001252889A1
(en)
*
|
2000-03-07 |
2001-09-17 |
Corning Inc. |
A protection switch in a single two-fiber optical channel shared protection ring
|
US7573915B1
(en)
*
|
2000-04-25 |
2009-08-11 |
Cisco Technology, Inc. |
Method and apparatus for transporting network management information in a telecommunications network
|
US6766113B1
(en)
*
|
2000-06-16 |
2004-07-20 |
Lucent Technologies Inc. |
Control channel processor and switching mechanism
|
WO2001099347A2
(en)
|
2000-06-22 |
2001-12-27 |
Tellabs Operations Inc. |
Shared optical ring protection in a multi-fiber ring
|
US20030142678A1
(en)
*
|
2000-07-28 |
2003-07-31 |
Chan Eric L. |
Virtual path ring protection method and apparatus
|
US7050391B1
(en)
|
2000-12-22 |
2006-05-23 |
Turin Networks |
Method and apparatus for efficient link redundancy
|
US6937823B2
(en)
*
|
2001-03-05 |
2005-08-30 |
Lucent Technologies Inc. |
Method for preventing lasing in an optical ring network
|
US7130263B1
(en)
*
|
2001-03-31 |
2006-10-31 |
Redback Networks Inc. |
Heterogeneous connections on a bi-directional line switched ring
|
US6950409B1
(en)
*
|
2001-04-30 |
2005-09-27 |
Fujitsu Limited |
Method and system for provisioning non-preemptible unprotected traffic in a bi-directional ring
|
US6999468B2
(en)
*
|
2001-06-04 |
2006-02-14 |
Turin Networks |
Method and apparatus for line and path selection within SONET/SDH based networks
|
US7633858B2
(en)
*
|
2001-09-10 |
2009-12-15 |
Ciena Corporation |
Providing embedded protection in a network cross-connect device for SONET networks
|
JP3844982B2
(ja)
|
2001-09-10 |
2006-11-15 |
富士通株式会社 |
伝送装置
|
US6917759B2
(en)
*
|
2002-01-31 |
2005-07-12 |
Nortel Networks Limited |
Shared mesh signaling algorithm and apparatus
|
DE60208150T2
(de)
*
|
2002-03-08 |
2006-06-22 |
Alcatel |
Verfahren zur Wiederherstellung nach Betriebstörungen in einem aus Ringen aufgebauten Kommunikationsnetz, ein zugehöriges Kommunikationsnetz und Netzelement
|
US20030214962A1
(en)
*
|
2002-05-15 |
2003-11-20 |
Mark Allaye-Chan |
Method and apparatus for bandwidth optimization in network ring topology
|
US7535831B2
(en)
*
|
2003-09-16 |
2009-05-19 |
Nortel Networks Limited |
Method and apparatus for providing grades of service for unprotected traffic in an optical network
|
US20050058060A1
(en)
*
|
2003-09-16 |
2005-03-17 |
Nortel Networks Limited |
K-byte extension and tunnel identifying scheme for tunnel-based shared mesh protection
|
US20050088963A1
(en)
*
|
2003-10-24 |
2005-04-28 |
Nortel Networks Limited |
Method and apparatus for protection switch messaging on a shared mesh network
|
US7590046B1
(en)
*
|
2003-12-31 |
2009-09-15 |
Ciena Corporation |
Protected SONET/SDH networks having delayed fault propagation
|
US20060165410A1
(en)
*
|
2005-01-26 |
2006-07-27 |
At&T Corp. |
Arrangement for avoiding node isolation in all-optical communication networks
|
EP2197142A1
(de)
*
|
2008-12-15 |
2010-06-16 |
Alcatel Lucent |
System und Verfahren zum Paketschutzwechsel
|