CN1311381C - 实现ospf冗余的方法和系统 - Google Patents
实现ospf冗余的方法和系统 Download PDFInfo
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- CN1311381C CN1311381C CNB02802723XA CN02802723A CN1311381C CN 1311381 C CN1311381 C CN 1311381C CN B02802723X A CNB02802723X A CN B02802723XA CN 02802723 A CN02802723 A CN 02802723A CN 1311381 C CN1311381 C CN 1311381C
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2097—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements maintaining the standby controller/processing unit updated
-
- 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
- H04L45/02—Topology update or discovery
-
- 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
- H04L45/02—Topology update or discovery
- H04L45/03—Topology update or discovery by updating link state protocols
-
- 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
- H04L45/58—Association of routers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2038—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with a single idle spare processing component
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2048—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant where the redundant components share neither address space nor persistent storage
Abstract
Description
Claims (40)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/934,884 US7490161B2 (en) | 2001-08-22 | 2001-08-22 | Method and system for implementing OSPF redundancy |
US09/934,884 | 2001-08-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1610898A CN1610898A (zh) | 2005-04-27 |
CN1311381C true CN1311381C (zh) | 2007-04-18 |
Family
ID=25466231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02802723XA Expired - Lifetime CN1311381C (zh) | 2001-08-22 | 2002-07-15 | 实现ospf冗余的方法和系统 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7490161B2 (zh) |
EP (1) | EP1352335A4 (zh) |
JP (1) | JP2005503055A (zh) |
CN (1) | CN1311381C (zh) |
CA (1) | CA2427285C (zh) |
WO (1) | WO2003023637A1 (zh) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2819359B1 (fr) * | 2001-01-11 | 2003-04-11 | Cit Alcatel | Systeme de routage assurant la continuite de service, des machines a etats associees aux systemes de routage voisins |
FR2819360B1 (fr) * | 2001-01-11 | 2003-04-11 | Cit Alcatel | Systeme de routage assurant la continuite de service des interfaces associees aux reseaux voisins |
US7065059B1 (en) * | 2001-08-09 | 2006-06-20 | Cisco Technology, Inc. | Technique for restoring adjacencies in OSPF in a non-stop forwarding intermediate node of a computer network |
US20030123457A1 (en) * | 2001-12-27 | 2003-07-03 | Koppol Pramod V.N. | Apparatus and method for distributed software implementation of OSPF protocol |
US8769154B2 (en) * | 2002-01-24 | 2014-07-01 | Alcatel Lucent | Method and apparatus for facilitating routing protocol redundancy in a network element |
US7522588B2 (en) * | 2002-05-13 | 2009-04-21 | Qualcomm Incorporated | System and method for reference data processing in network assisted position determination |
US7292535B2 (en) * | 2002-05-23 | 2007-11-06 | Chiaro Networks Ltd | Highly-available OSPF routing protocol |
US7590760B1 (en) * | 2002-05-24 | 2009-09-15 | Cisco Technology, Inc. | Hybrid interface synchronization method and driver-client model for high availability systems |
US7275081B1 (en) | 2002-06-10 | 2007-09-25 | Juniper Networks, Inc. | Managing state information in a computing environment |
US7440394B2 (en) | 2002-06-24 | 2008-10-21 | Nokia Corporation | Method and system for redundant IP forwarding in a telecommunications network |
FI20021235A0 (fi) * | 2002-06-24 | 2002-06-24 | Nokia Corp | Menetelmä ja järjestelmä redundanttia IP-edelleenohjausta varten tietoliikenneverkossa |
US7236453B2 (en) * | 2002-06-27 | 2007-06-26 | Jeremy Benjamin, Trustee | High available method for border gateway protocol version 4 |
US7269133B2 (en) * | 2002-09-03 | 2007-09-11 | Jeremy Benjamin | IS-IS high availability design |
US7363534B1 (en) * | 2002-09-30 | 2008-04-22 | Cisco Technology, Inc. | Method and system for stateful switch-over in a high-availability point to point system |
US6850492B2 (en) * | 2002-11-22 | 2005-02-01 | Nokia Corporation | Method and system for enabling a route and flow table update in a distributed routing platform |
JP4385834B2 (ja) * | 2003-04-15 | 2009-12-16 | パナソニック株式会社 | ルーティング制御方法およびルータ装置 |
US7319674B2 (en) * | 2003-07-24 | 2008-01-15 | Cisco Technology, Inc. | System and method for exchanging awareness information in a network environment |
US7739403B1 (en) * | 2003-10-03 | 2010-06-15 | Juniper Networks, Inc. | Synchronizing state information between control units |
US8009556B2 (en) * | 2003-10-17 | 2011-08-30 | Ip Infusion, Inc. | System and method for providing redundant routing capabilities for a network node |
US7929424B2 (en) * | 2003-10-31 | 2011-04-19 | Ericsson Ab | Switchover for broadband subscriber sessions |
CN100407727C (zh) * | 2004-01-18 | 2008-07-30 | 中兴通讯股份有限公司 | 一种基于消息的处理器间通信方法 |
JP4789425B2 (ja) * | 2004-03-31 | 2011-10-12 | 富士通株式会社 | 経路テーブル同期方法、ネットワーク機器および経路テーブル同期プログラム |
JP4058014B2 (ja) * | 2004-04-08 | 2008-03-05 | 株式会社日立製作所 | パケット転送装置 |
US7284148B2 (en) * | 2004-06-17 | 2007-10-16 | International Business Machines Corporation | Method and system for self-healing in routers |
US7586838B2 (en) * | 2004-06-22 | 2009-09-08 | Skylead Assets Limited | Flexible M:N redundancy mechanism for packet inspection engine |
US7957377B1 (en) * | 2004-07-30 | 2011-06-07 | Cisco Technology, Inc. | Reducing and load balancing link-state requests in OSPF |
CN101065936B (zh) * | 2004-09-28 | 2012-04-25 | 日本电气株式会社 | 冗余分组交换系统和冗余分组交换系统的系统切换方法 |
US7573811B2 (en) * | 2005-03-28 | 2009-08-11 | Alcatel-Lucent Usa Inc. | Network transparent OSPF-TE failover |
JP2006285448A (ja) * | 2005-03-31 | 2006-10-19 | Oki Electric Ind Co Ltd | 冗長システム |
CN100409619C (zh) * | 2005-07-13 | 2008-08-06 | 武汉烽火网络有限责任公司 | 数据网络设备及其管理控制方法 |
US7583590B2 (en) * | 2005-07-15 | 2009-09-01 | Telefonaktiebolaget L M Ericsson (Publ) | Router and method for protocol process migration |
US8036105B2 (en) * | 2005-08-08 | 2011-10-11 | International Business Machines Corporation | Monitoring a problem condition in a communications system |
US9166904B2 (en) * | 2005-09-08 | 2015-10-20 | Cisco Technology, Inc. | Method and apparatus for transferring BGP state information during asynchronous startup |
US7948873B2 (en) * | 2005-10-17 | 2011-05-24 | Cisco Technology, Inc. | Method for recovery of a controlled failover of a border gateway protocol speaker |
US7518986B1 (en) | 2005-11-16 | 2009-04-14 | Juniper Networks, Inc. | Push-based hierarchical state propagation within a multi-chassis network device |
US8437305B2 (en) * | 2005-11-23 | 2013-05-07 | Cisco Technology, Inc. | Method for providing home agent geographic redundancy |
US8565070B2 (en) * | 2005-11-23 | 2013-10-22 | Cisco Technology, Inc. | System and method for active geographic redundancy |
CN101022451B (zh) * | 2006-02-14 | 2014-07-23 | 杭州华三通信技术有限公司 | 数据通信中连接状态的同步方法及其应用的通信节点 |
US7594034B2 (en) * | 2006-03-27 | 2009-09-22 | Cisco Technology, Inc. | Managing foreign-owned fields in versioned messages |
CN1905561B (zh) * | 2006-08-09 | 2010-07-28 | 杭州华三通信技术有限公司 | 提高二层网络与外部网络间流量可靠性的方法和根桥 |
CN1949700B (zh) * | 2006-10-09 | 2010-10-06 | 华为技术有限公司 | 一种混合组网的保护方法和装置 |
US8467383B2 (en) * | 2007-05-23 | 2013-06-18 | Cisco Technology, Inc. | Stateful switching between reliable transport modules for communicating with an external peer without losing the transport layer connection |
EP2043306B1 (de) * | 2007-09-28 | 2015-04-15 | Unify GmbH & Co. KG | Verfahren zur Organisation von Netzknoten in einem paketorientierten Netzwerk |
US8031704B2 (en) | 2007-10-22 | 2011-10-04 | Infinera Corporation | Network planning and optimization of equipment deployment |
ES2463993T3 (es) * | 2007-12-21 | 2014-05-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Técnica para interconectar módulos funcionales de un aparato |
US9210067B1 (en) * | 2008-07-11 | 2015-12-08 | Google Inc. | Method and apparatus for exchanging routing information |
US8006129B2 (en) * | 2008-10-03 | 2011-08-23 | Cisco Technology, Inc. | Detecting and preventing the split-brain condition in redundant processing units |
CN101621819B (zh) * | 2009-07-24 | 2012-02-15 | 中兴通讯股份有限公司 | 主备切换接口模块、网元系统和链路信息同步检测方法 |
US8154992B2 (en) * | 2009-08-11 | 2012-04-10 | Google Inc. | System and method for graceful restart |
US8363549B1 (en) | 2009-09-02 | 2013-01-29 | Juniper Networks, Inc. | Adaptively maintaining sequence numbers on high availability peers |
US8483049B2 (en) * | 2010-03-29 | 2013-07-09 | Futurewei Technologies, Inc. | System and method for communications system routing component level high availability |
FI20105878A (fi) * | 2010-08-24 | 2012-02-25 | Tellabs Oy | Tiedonsiirtoverkon verkkoelementin suojaus |
US8402453B2 (en) * | 2010-09-22 | 2013-03-19 | Telefonaktiebolaget L M Ericsson (Publ) | In-service software upgrade of control and line cards of network element |
CN102571391B (zh) * | 2010-12-22 | 2014-12-10 | 中兴通讯股份有限公司 | 保护倒换协议状态同步方法及系统 |
US8995303B1 (en) * | 2011-03-11 | 2015-03-31 | Amazon Technologies, Inc. | Coordinated routing of network traffic |
US8842775B2 (en) * | 2011-08-09 | 2014-09-23 | Alcatel Lucent | System and method for power reduction in redundant components |
US8913485B2 (en) | 2011-09-16 | 2014-12-16 | Telefonaktiebolaget L M Ericsson (Publ) | Open shortest path first (OSPF) nonstop routing (NSR) with link derivation |
US20130073741A1 (en) * | 2011-09-16 | 2013-03-21 | Alfred C. Lindem, III | Ospf nsr with delayed neighbor synchronization |
US8923312B2 (en) | 2011-09-29 | 2014-12-30 | Telefonaktiebolaget L M Ericsson (Publ) | OSPF nonstop routing synchronization nack |
US8964758B2 (en) * | 2011-09-29 | 2015-02-24 | Telefonaktiebolaget L M Ericsson (Publ) | OSPF nonstop routing (NSR) synchronization reduction |
US8958430B2 (en) | 2011-09-29 | 2015-02-17 | Telefonaktiebolaget L M Ericsson (Publ) | OSPF non-stop routing frozen standby |
US8885562B2 (en) | 2012-03-28 | 2014-11-11 | Telefonaktiebolaget L M Ericsson (Publ) | Inter-chassis redundancy with coordinated traffic direction |
CN103581013B (zh) * | 2012-07-25 | 2017-02-15 | 杭州华三通信技术有限公司 | 实现路由协议的不中断路由的方法和装置 |
CN102937906B (zh) * | 2012-10-31 | 2015-09-16 | 中兴通讯股份有限公司 | 一种补丁软件升级方法及系统 |
CN105323172B (zh) * | 2014-07-18 | 2020-07-14 | 中兴通讯股份有限公司 | 基于无编号ip技术的数据传输方法及设备 |
US10623300B2 (en) * | 2016-03-28 | 2020-04-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for adaptive flow control of link-state information from link-state source to border gateway protocol (BGP) |
CN106656835A (zh) * | 2016-11-16 | 2017-05-10 | 上海红阵信息科技有限公司 | 多ospf协议执行单元的并行单一呈现系统及方法 |
US11669076B2 (en) * | 2018-07-27 | 2023-06-06 | Rockwell Automation Technologies, Inc. | System and method of communicating unconnected messages over high availability industrial control systems |
US11095528B2 (en) * | 2019-05-09 | 2021-08-17 | International Business Machines Corporation | Identity network onboarding based on confidence scores |
CN110601985B (zh) * | 2019-09-17 | 2022-03-29 | 北京东土军悦科技有限公司 | 一种接口配置信息切换方法、装置、设备及存储介质 |
CN111083074A (zh) * | 2019-12-20 | 2020-04-28 | 盛科网络(苏州)有限公司 | 主备双ospf状态机的高可用性方法和系统 |
CN111371680B (zh) * | 2020-03-04 | 2022-04-29 | 深信服科技股份有限公司 | 双机热备的路由管理方法、装置、设备及存储介质 |
CN114205285B (zh) * | 2021-11-24 | 2024-01-05 | 中盈优创资讯科技有限公司 | 一种基于链路质量的ospf路由选路方法及装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1202772A (zh) * | 1997-05-30 | 1998-12-23 | 国际商业机器公司 | 因特网上的动态路由 |
EP1001344A2 (en) * | 1998-11-16 | 2000-05-17 | Lucent Technologies Inc. | Apparatus, method and system for file synchronization for a fault tolerant network |
EP1009133A2 (en) * | 1998-11-23 | 2000-06-14 | Nortel Networks Corporation | Expediting reconvergence in a routing device |
US6173324B1 (en) * | 1998-07-15 | 2001-01-09 | At&T Corp | Method and apparatus for fault detection and isolation in data |
WO2001008334A1 (en) * | 1999-07-23 | 2001-02-01 | Glenayre Electronics, Inc. | Method for implementing interface redundancy in a computer network |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4466098A (en) | 1982-06-11 | 1984-08-14 | Siemens Corporation | Cross channel circuit for an electronic system having two or more redundant computers |
US5621721A (en) | 1995-01-12 | 1997-04-15 | Stratacom, Inc. | Maintaining database integrity throughout a communication network |
US5835696A (en) | 1995-11-22 | 1998-11-10 | Lucent Technologies Inc. | Data router backup feature |
JP3603524B2 (ja) | 1997-02-05 | 2004-12-22 | 株式会社日立製作所 | ネットワーキング方法 |
US6148410A (en) * | 1997-09-15 | 2000-11-14 | International Business Machines Corporation | Fault tolerant recoverable TCP/IP connection router |
JP3286584B2 (ja) * | 1997-11-20 | 2002-05-27 | 株式会社日立製作所 | 多重化ルータ装置 |
US6195705B1 (en) * | 1998-06-30 | 2001-02-27 | Cisco Technology, Inc. | Mobile IP mobility agent standby protocol |
US6556547B1 (en) * | 1998-12-15 | 2003-04-29 | Nortel Networks Limited | Method and apparatus providing for router redundancy of non internet protocols using the virtual router redundancy protocol |
AU3216100A (en) | 1999-02-16 | 2000-09-04 | Eci Telecom Ltd. | System for hot standby of a telephone switching matrix |
US6397260B1 (en) * | 1999-03-08 | 2002-05-28 | 3Com Corporation | Automatic load sharing for network routers |
US6430622B1 (en) * | 1999-09-22 | 2002-08-06 | International Business Machines Corporation | Methods, systems and computer program products for automated movement of IP addresses within a cluster |
US6351755B1 (en) | 1999-11-02 | 2002-02-26 | Alta Vista Company | System and method for associating an extensible set of data with documents downloaded by a web crawler |
US6941377B1 (en) * | 1999-12-31 | 2005-09-06 | Intel Corporation | Method and apparatus for secondary use of devices with encryption |
US6601101B1 (en) * | 2000-03-15 | 2003-07-29 | 3Com Corporation | Transparent access to network attached devices |
US6529481B2 (en) * | 2000-11-30 | 2003-03-04 | Pluris, Inc. | Scalable and fault-tolerant link state routing protocol for packet-switched networks |
US7234001B2 (en) * | 2000-12-20 | 2007-06-19 | Nortel Networks Limited | Dormant backup link for OSPF network protection |
US6820134B1 (en) * | 2000-12-28 | 2004-11-16 | Cisco Technology, Inc. | Optimizing flooding of information in link-state routing protocol |
US6983294B2 (en) * | 2001-05-09 | 2006-01-03 | Tropic Networks Inc. | Redundancy systems and methods in communications systems |
US7065059B1 (en) * | 2001-08-09 | 2006-06-20 | Cisco Technology, Inc. | Technique for restoring adjacencies in OSPF in a non-stop forwarding intermediate node of a computer network |
US6950427B1 (en) * | 2001-08-09 | 2005-09-27 | Cisco Technology, Inc. | Technique for resynchronizing LSDB in OSPF after a software reload in a non-stop forwarding intermediate node of a computer network |
US6959334B1 (en) * | 2001-09-14 | 2005-10-25 | Bellsouth Intellectual Property Corporation | Backup logical port service |
US7292535B2 (en) * | 2002-05-23 | 2007-11-06 | Chiaro Networks Ltd | Highly-available OSPF routing protocol |
US6954794B2 (en) * | 2002-10-21 | 2005-10-11 | Tekelec | Methods and systems for exchanging reachability information and for switching traffic between redundant interfaces in a network cluster |
-
2001
- 2001-08-22 US US09/934,884 patent/US7490161B2/en not_active Expired - Lifetime
-
2002
- 2002-07-15 CN CNB02802723XA patent/CN1311381C/zh not_active Expired - Lifetime
- 2002-07-15 CA CA002427285A patent/CA2427285C/en not_active Expired - Fee Related
- 2002-07-15 JP JP2003527619A patent/JP2005503055A/ja not_active Withdrawn
- 2002-07-15 WO PCT/US2002/022220 patent/WO2003023637A1/en active Application Filing
- 2002-07-15 EP EP02749998A patent/EP1352335A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1202772A (zh) * | 1997-05-30 | 1998-12-23 | 国际商业机器公司 | 因特网上的动态路由 |
US6173324B1 (en) * | 1998-07-15 | 2001-01-09 | At&T Corp | Method and apparatus for fault detection and isolation in data |
EP1001344A2 (en) * | 1998-11-16 | 2000-05-17 | Lucent Technologies Inc. | Apparatus, method and system for file synchronization for a fault tolerant network |
EP1009133A2 (en) * | 1998-11-23 | 2000-06-14 | Nortel Networks Corporation | Expediting reconvergence in a routing device |
WO2001008334A1 (en) * | 1999-07-23 | 2001-02-01 | Glenayre Electronics, Inc. | Method for implementing interface redundancy in a computer network |
Also Published As
Publication number | Publication date |
---|---|
EP1352335A1 (en) | 2003-10-15 |
CN1610898A (zh) | 2005-04-27 |
US20030056138A1 (en) | 2003-03-20 |
CA2427285C (en) | 2010-02-02 |
EP1352335A4 (en) | 2008-09-24 |
US7490161B2 (en) | 2009-02-10 |
CA2427285A1 (en) | 2003-03-20 |
JP2005503055A (ja) | 2005-01-27 |
WO2003023637A1 (en) | 2003-03-20 |
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