DE60116879D1 - Apparat und verfahren zum optischen kommunkationsschutz - Google Patents
Apparat und verfahren zum optischen kommunkationsschutzInfo
- Publication number
- DE60116879D1 DE60116879D1 DE60116879T DE60116879T DE60116879D1 DE 60116879 D1 DE60116879 D1 DE 60116879D1 DE 60116879 T DE60116879 T DE 60116879T DE 60116879 T DE60116879 T DE 60116879T DE 60116879 D1 DE60116879 D1 DE 60116879D1
- Authority
- DE
- Germany
- Prior art keywords
- protection
- path
- optical communication
- switching
- working
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000003287 optical effect Effects 0.000 title abstract 3
- 239000004744 fabric Substances 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
-
- 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
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/22—Alternate routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/54—Organization of routing tables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/62—Wavelength based
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0051—Network Node Interface, e.g. tandem connections, transit switching
- H04J2203/0053—Routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
- H04J2203/006—Fault tolerance and recovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/009—Topology aspects
- H04Q2011/0092—Ring
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US620248 | 2000-07-20 | ||
US09/620,248 US6934248B1 (en) | 2000-07-20 | 2000-07-20 | Apparatus and method for optical communication protection |
PCT/CA2001/001046 WO2002009349A2 (en) | 2000-07-20 | 2001-07-19 | Apparatus and method for optical communication protection |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60116879D1 true DE60116879D1 (de) | 2006-04-13 |
DE60116879T2 DE60116879T2 (de) | 2006-08-03 |
Family
ID=24485176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60116879T Expired - Lifetime DE60116879T2 (de) | 2000-07-20 | 2001-07-19 | Apparat und verfahren zum optischen kommunkationsschutz |
Country Status (10)
Country | Link |
---|---|
US (2) | US6934248B1 (de) |
EP (1) | EP1303934B1 (de) |
JP (1) | JP2004504790A (de) |
CN (1) | CN100446445C (de) |
AT (1) | ATE316721T1 (de) |
AU (1) | AU2001276215A1 (de) |
CA (1) | CA2416762C (de) |
DE (1) | DE60116879T2 (de) |
HK (1) | HK1052804A1 (de) |
WO (1) | WO2002009349A2 (de) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7545755B2 (en) * | 2000-03-03 | 2009-06-09 | Adtran Inc. | Routing switch detecting change in session identifier before reconfiguring routing table |
US6934248B1 (en) * | 2000-07-20 | 2005-08-23 | Nortel Networks Limited | Apparatus and method for optical communication protection |
US7170852B1 (en) * | 2000-09-29 | 2007-01-30 | Cisco Technology, Inc. | Mesh with projection channel access (MPCA) |
US7209436B1 (en) | 2000-12-30 | 2007-04-24 | Redback Networks Inc. | Method and apparatus for variable rate pipes |
US7263060B1 (en) * | 2001-06-28 | 2007-08-28 | Network Appliance, Inc. | Multiple switch protected architecture |
US7406029B1 (en) | 2001-06-28 | 2008-07-29 | Netapp, Inc. | Fault tolerant optical data communication network having auto discovery |
US7289428B2 (en) * | 2001-08-13 | 2007-10-30 | Tellabs Operations, Inc. | Inter-working mesh telecommunications networks |
JP3844982B2 (ja) * | 2001-09-10 | 2006-11-15 | 富士通株式会社 | 伝送装置 |
US20080002669A1 (en) * | 2001-09-14 | 2008-01-03 | O'brien Ray | Packet voice gateway |
US7471625B2 (en) * | 2001-10-31 | 2008-12-30 | Nec Corporation | Fault recovery system and method for a communications network |
US7573814B1 (en) * | 2001-10-31 | 2009-08-11 | Redback Networks Inc. | Method and apparatus for protection of an optical network |
JP2003143145A (ja) * | 2001-10-31 | 2003-05-16 | Nec Corp | 障害回復方法およびパス設定方法および通信ネットワーク並びにそれに用いる集中制御装置およびノード装置 |
US20030095505A1 (en) * | 2001-11-16 | 2003-05-22 | Wells Owen N. | Cable redundancy in network data links |
JP3707427B2 (ja) * | 2001-12-05 | 2005-10-19 | 日本電気株式会社 | 迂回パス設計装置及びそれに用いる迂回パス設計方法並びにそのプログラム |
US20030174656A1 (en) * | 2002-01-18 | 2003-09-18 | Rodrigo Fernandez | APS identification allocation in communication networks |
US6917759B2 (en) * | 2002-01-31 | 2005-07-12 | Nortel Networks Limited | Shared mesh signaling algorithm and apparatus |
SE520932C2 (sv) * | 2002-03-18 | 2003-09-16 | Optillion Ab | Kommunikationsmodul |
US7307088B2 (en) | 2002-07-09 | 2007-12-11 | Amgen Inc. | Substituted anthranilic amide derivatives and methods of use |
ITMI20022170A1 (it) | 2002-10-14 | 2004-04-15 | Marconi Comm Spa | Sistema di telecomunicazioni |
US8199636B1 (en) * | 2002-10-18 | 2012-06-12 | Alcatel Lucent | Bridged network system with traffic resiliency upon link failure |
CN100431288C (zh) * | 2002-11-21 | 2008-11-05 | 中兴通讯股份有限公司 | 采用可调谐光源实现业务保护的方法和装置 |
EP1566039A1 (de) * | 2002-11-29 | 2005-08-24 | Siemens Aktiengesellschaft | Verfahren zur umleitung von datenpaketen bei lokal erkannten linkausfällen |
DE60307230T2 (de) * | 2003-04-22 | 2007-07-05 | Alcatel Lucent | Verfahren zur Verwendung der gesamten Resourcenkapazität in einem SDH-Netzwerk mit einem Verkerrsschutzmechanismus, in Gegenwart von einem paketorientierten Datennetzwerk, und dazugehörender Apparat zur Durchführung des Verfahrens |
US20040255202A1 (en) * | 2003-06-13 | 2004-12-16 | Alcatel | Intelligent fault recovery in a line card with control plane and data plane separation |
PT1662706E (pt) * | 2003-08-06 | 2011-06-28 | Zte Corp | Método de comutação automática de proteção |
CN1300954C (zh) * | 2003-08-15 | 2007-02-14 | 华为技术有限公司 | 双向线路保护倒换方法 |
EP1523117B1 (de) * | 2003-10-09 | 2007-07-11 | Alcatel Lucent | Verfahren und Rahmensignal zur Inband-Erkennung und -Lokalisierung eines Path-Ausfalls in einer SDH/SONET Netzwerkdomäne |
US7590049B1 (en) * | 2003-10-09 | 2009-09-15 | Nortel Networks Limited | System and method for configuring a network element to support protection switching in an optical network |
EP1538765B1 (de) * | 2003-12-05 | 2007-08-22 | Alcatel Lucent | Dynamischer Zwischenschichtsschutz in einem optischen Telekommunikationsnetzwerk |
US7697455B2 (en) * | 2004-02-17 | 2010-04-13 | Dynamic Method Enterprises Limited | Multiple redundancy schemes in an optical network |
DE602005022248D1 (de) * | 2004-04-29 | 2010-08-26 | Alcatel Lucent | Systeme und Verfahren zum Schutz elektronischer Geräte |
EP1768281B1 (de) * | 2004-06-22 | 2016-07-20 | ZTE Corporation | Verfahren für dienstverbindungsaufbau und dienstwiederaufnahmeschutz in einem optischen netzwerk |
US7197213B2 (en) * | 2004-08-26 | 2007-03-27 | Nortel Networks Limited | System and method for controlling deflection of optical beams |
CN1780190B (zh) * | 2004-11-20 | 2010-09-08 | 中兴通讯股份有限公司 | 一种光网络业务处理方法 |
CN100336341C (zh) * | 2004-11-26 | 2007-09-05 | 中兴通讯股份有限公司 | 一种建立服务层连接的方法 |
DE602006009781D1 (de) * | 2005-03-29 | 2009-11-26 | Panasonic Avionics Corp | System und verfahren zum routen von kommunikationssignalen über ein datenverteilungsnetz |
CN1848714B (zh) | 2005-04-04 | 2010-06-23 | 华为技术有限公司 | 通过网元双归属与环网保护结合实现网络保护的方法 |
CN100550764C (zh) * | 2005-04-30 | 2009-10-14 | 中兴通讯股份有限公司 | 自动交换光网络的快速恢复方法 |
US7519293B1 (en) * | 2005-09-08 | 2009-04-14 | Sprint Communications Company Lp | Optical communication system having ring-based restoration using shared protect links |
CN1866806B (zh) * | 2005-12-22 | 2011-11-02 | 华为技术有限公司 | 共享格状网恢复的实现方法 |
KR100810727B1 (ko) * | 2006-02-06 | 2008-03-07 | 지티이 코포레이션 | 자동보호 전환방법 |
US7746903B2 (en) * | 2006-03-07 | 2010-06-29 | Harris Corporation | SONET management and control channel improvement |
US7801058B2 (en) | 2006-07-27 | 2010-09-21 | Mobitrum Corporation | Method and system for dynamic information exchange on mesh network devices |
US8427979B1 (en) | 2006-07-27 | 2013-04-23 | Mobitrum Corporation | Method and system for dynamic information exchange on location aware mesh network devices |
US8411590B2 (en) | 2006-07-27 | 2013-04-02 | Mobitrum Corporation | Mesh network remote control device |
US8305936B2 (en) | 2006-07-27 | 2012-11-06 | Mobitrum Corporation | Method and system for dynamic information exchange on a mesh network in a vehicle |
US8305935B2 (en) | 2006-07-27 | 2012-11-06 | Mobitrum Corporation | Method and system for dynamic information exchange on location aware mesh network devices |
USRE47894E1 (en) | 2006-07-27 | 2020-03-03 | Iii Holdings 2, Llc | Method and system for dynamic information exchange on location aware mesh network devices |
JP5037143B2 (ja) * | 2007-01-15 | 2012-09-26 | 富士通株式会社 | 予備パス帯域の管理およびパス帯域の変更 |
CN101114880B (zh) * | 2007-09-05 | 2012-05-23 | 中兴通讯股份有限公司 | 一种光传送网多保护通道线性保护的实现方法 |
WO2009062420A1 (fr) * | 2007-11-13 | 2009-05-22 | Huawei Technologies Co., Ltd. | Procédé, système et dispositif d'acheminement des trames de données |
CN101436976B (zh) | 2007-11-13 | 2012-02-15 | 华为技术有限公司 | 一种转发数据帧的方法、系统和设备 |
US8793363B2 (en) * | 2008-01-15 | 2014-07-29 | At&T Mobility Ii Llc | Systems and methods for real-time service assurance |
JP5267160B2 (ja) * | 2009-01-28 | 2013-08-21 | 富士通株式会社 | ノード装置、リングネットワーク及び予備パスの帯域制御方法 |
CN101483549B (zh) * | 2009-02-13 | 2012-05-23 | 华为技术有限公司 | 保护倒换方法、装置和系统 |
US7969868B2 (en) * | 2009-02-19 | 2011-06-28 | Infinera Corporation | Path-level protection for digitally wrapped payloads |
CN102083114B (zh) * | 2009-11-27 | 2014-03-12 | 中国移动通信集团北京有限公司 | 断站业务核查的方法和装置 |
US8457107B2 (en) * | 2010-01-12 | 2013-06-04 | Verizon Patent And Licensing Inc. | Method and system for finding shortest paths in ring networks |
CA2788320A1 (en) * | 2010-01-29 | 2011-08-04 | Elster Solutions Llc | Mesh infrastructure utilizing alternative communication paths |
US8855102B2 (en) * | 2010-01-29 | 2014-10-07 | Elster Solutions, Llc | Wireless communications providing interoperability between devices capable of communicating at different data rates |
US10554585B2 (en) * | 2011-05-30 | 2020-02-04 | Nec Corporation | Communication route control system and communication route control method |
US9379810B2 (en) * | 2012-11-27 | 2016-06-28 | Infinera Corporation | Rapid recovery in packet and optical networks |
US20140241204A1 (en) * | 2013-02-25 | 2014-08-28 | Alcatel-Lucent India Limited | Transit services in ethernet rings with protection |
US9819436B2 (en) | 2013-08-26 | 2017-11-14 | Coriant Operations, Inc. | Intranodal ROADM fiber management apparatuses, systems, and methods |
US9729949B2 (en) * | 2014-04-23 | 2017-08-08 | Alcatel Lucent | Dynamic local decision control in software defined networking-based environment |
KR102288042B1 (ko) * | 2014-10-16 | 2021-08-10 | 한국전자통신연구원 | 가상 테넌트 네트워크 보호 절체 서비스 제공방법 및 그 컨트롤러 |
US9935900B2 (en) * | 2014-10-16 | 2018-04-03 | Electronics And Telecommunications Research Institute | Method for providing protection switching service in virtual tenant network and controller therefor |
CN105591899A (zh) * | 2014-10-22 | 2016-05-18 | 中兴通讯股份有限公司 | 业务传输方法及装置 |
US10211923B2 (en) * | 2014-11-19 | 2019-02-19 | Nec Corporation | Optical network system, optical node device, and optical path setting method |
CN106385417A (zh) * | 2016-09-18 | 2017-02-08 | 中天安泰(北京)信息技术有限公司 | 一种计算设备及设备通信方法 |
CN107360296B (zh) * | 2017-06-29 | 2019-11-01 | 瑞斯康达科技发展股份有限公司 | 一种传递公务电话业务的方法和sdh终端设备 |
CN108462549B (zh) * | 2017-11-22 | 2019-07-09 | 上海欣诺通信技术股份有限公司 | 保护组叠加倒换方法、控制装置及光通信设备 |
JP7063926B2 (ja) * | 2020-02-17 | 2022-05-09 | 矢崎総業株式会社 | 通信システム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
JP2809151B2 (ja) | 1995-05-31 | 1998-10-08 | 日本電気株式会社 | 通信網自動回復システム |
US5646936A (en) | 1995-06-22 | 1997-07-08 | Mci Corporation | Knowledge based path set up and spare capacity assignment for distributed network restoration |
JP3432958B2 (ja) * | 1995-07-21 | 2003-08-04 | 富士通株式会社 | 光伝送システム及び伝送路切替制御方法 |
US6256292B1 (en) * | 1996-07-11 | 2001-07-03 | Nortel Networks Corporation | Self-healing line switched ring for ATM traffic |
GB9625019D0 (en) * | 1996-11-29 | 1997-01-15 | Northern Telecom Ltd | Network restoration routing optimisation |
US6081503A (en) | 1997-10-01 | 2000-06-27 | Lucent Technologies Inc. | Control architecture using an embedded signal status protocol |
US6366556B1 (en) * | 1998-06-22 | 2002-04-02 | Lucent Technologies Inc. | Self-healing networks using virtual rings |
JP3753866B2 (ja) * | 1998-07-01 | 2006-03-08 | 株式会社日立製作所 | 自己救済型光ネットワーク |
US6567194B1 (en) * | 1998-08-17 | 2003-05-20 | Corvis Corporation | Optical communication network and protection methods |
US6331905B1 (en) * | 1999-04-01 | 2001-12-18 | The Trustees Of Columbia University In The City Of New York | Network switch failure restoration |
CA2285128C (en) * | 1999-10-06 | 2008-02-26 | Nortel Networks Corporation | Switch for optical signals |
US6636529B1 (en) * | 1999-10-07 | 2003-10-21 | Nortel Networks Limited | Semi transparent tributary for synchronous transmission |
US7173930B2 (en) * | 1999-10-26 | 2007-02-06 | Ciena Corporation | Transparent flexible concatenation |
US7426179B1 (en) * | 2000-03-17 | 2008-09-16 | Lucent Technologies Inc. | Method and apparatus for signaling path restoration information in a mesh network |
US6934248B1 (en) * | 2000-07-20 | 2005-08-23 | Nortel Networks Limited | Apparatus and method for optical communication protection |
-
2000
- 2000-07-20 US US09/620,248 patent/US6934248B1/en not_active Expired - Lifetime
-
2001
- 2001-07-19 CN CNB018157858A patent/CN100446445C/zh not_active Expired - Lifetime
- 2001-07-19 DE DE60116879T patent/DE60116879T2/de not_active Expired - Lifetime
- 2001-07-19 CA CA002416762A patent/CA2416762C/en not_active Expired - Lifetime
- 2001-07-19 JP JP2002514948A patent/JP2004504790A/ja active Pending
- 2001-07-19 AU AU2001276215A patent/AU2001276215A1/en not_active Abandoned
- 2001-07-19 WO PCT/CA2001/001046 patent/WO2002009349A2/en active IP Right Grant
- 2001-07-19 AT AT01953724T patent/ATE316721T1/de not_active IP Right Cessation
- 2001-07-19 EP EP01953724A patent/EP1303934B1/de not_active Expired - Lifetime
-
2003
- 2003-07-10 HK HK03104979.4A patent/HK1052804A1/zh unknown
-
2005
- 2005-01-21 US US11/038,206 patent/US7593322B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1303934B1 (de) | 2006-01-25 |
CA2416762A1 (en) | 2002-01-31 |
JP2004504790A (ja) | 2004-02-12 |
US6934248B1 (en) | 2005-08-23 |
HK1052804A1 (zh) | 2003-09-26 |
AU2001276215A1 (en) | 2002-02-05 |
US7593322B2 (en) | 2009-09-22 |
WO2002009349A2 (en) | 2002-01-31 |
EP1303934A2 (de) | 2003-04-23 |
DE60116879T2 (de) | 2006-08-03 |
ATE316721T1 (de) | 2006-02-15 |
CN100446445C (zh) | 2008-12-24 |
CA2416762C (en) | 2009-09-08 |
CN1459160A (zh) | 2003-11-26 |
US20050122899A1 (en) | 2005-06-09 |
WO2002009349A3 (en) | 2002-09-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60116879D1 (de) | Apparat und verfahren zum optischen kommunkationsschutz | |
ATE507632T1 (de) | Vorrichtung und verfahren zum verteilten routen auf packetniveau in faseroptischen ringen | |
CN106789629B (zh) | 业务快速收敛方法及装置 | |
ATE388539T1 (de) | Geschütztes bidirektionales wdm-netzwerk | |
ATE331252T1 (de) | Endknotenunterteilung mittels lokaler identifikatoren | |
AU2002360574A1 (en) | Method and system for providing failure protection in a ring network that utilizes label switching | |
ATE557501T1 (de) | Label switching in fibre channel netzen | |
ATE413785T1 (de) | Von einer bedienungsperson durchgeführte verbindungssteuerung (routing) in einem digitalen kommunikationsnetz | |
CN100525301C (zh) | 一种多协议标签交换网络保护切换方法 | |
NO20052147L (no) | Fremgangsmate og apparat for a tilrettelegge vat eller torr styreledningsforbindelse for bronnmiljo. | |
FI20011114A (fi) | Menetelmä ja järjestelmä nopean elpymisprosessin toteuttamiseksi lähiverkossa | |
ATE313891T1 (de) | Wegesucheinheit mit zuteilung von virtuellen kanälen | |
EP0809384A3 (de) | Verfahren zur Instandsetzung eines Netzausfalls mit unterschiedlicher Wiederherstellungsleistung für verschiedene Signalgruppen | |
WO2006133226A3 (en) | Aggregating optical network device | |
ATE414359T1 (de) | Wiederherstellung zum schutz in kommunikationsnetzwerken | |
DK1262042T3 (da) | Rutningsomskifter til dynamisk omdirigering af trafik på grund af detektering af et fejlbehæftet link | |
WO2005060521A3 (en) | 1+1 mesh protection | |
WO1999009702A3 (en) | Distributed method and system for excluding components from a restoral route in a communications network | |
ATE554570T1 (de) | Verfahren und server zur bestimmung des direkten optischen pfades und ein system zum aufbau des direkten optischen pfades | |
AR008940A1 (es) | Metodo para distribuir el trafico de telecomunicaciones en un nodo entre rutas de telecomunicaciones plurales y una disposicion de distribucion de dichotrafico con dicho metodo | |
WO2002101965A3 (en) | Routing and switching in a hybrid network | |
DE60214842D1 (de) | Verfahren und Vorrichtung zur Verwaltung eines Telekommunikationsnetzwerkes | |
GB9814311D0 (en) | Call routing data management | |
EP1724972A4 (de) | Dienst-umleit-trigger-verfahren | |
CA2382505A1 (en) | Control communications in communications networks |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 1303934 Country of ref document: EP Representative=s name: PATENTANWAELTE WALLACH, KOCH & PARTNER, 80339 MUEN |