JP2005159434A - 迂回通信経路設計方法 - Google Patents
迂回通信経路設計方法 Download PDFInfo
- Publication number
- JP2005159434A JP2005159434A JP2003390969A JP2003390969A JP2005159434A JP 2005159434 A JP2005159434 A JP 2005159434A JP 2003390969 A JP2003390969 A JP 2003390969A JP 2003390969 A JP2003390969 A JP 2003390969A JP 2005159434 A JP2005159434 A JP 2005159434A
- Authority
- JP
- Japan
- Prior art keywords
- communication
- communication path
- detour
- communication node
- failure
- 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.)
- Granted
Links
Images
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
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
-
- 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
- H04L45/62—Wavelength based
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
- H04J14/0284—WDM mesh architectures
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
【解決手段】通信ノード選択部69が、保護対象とする現用通信経路上の複数の障害をそれぞれ検知する複数の障害検知通信ノードから障害通知メッセージを転送する時間が所定の時間内である通信ノードを選択し、迂回通信経路設計部70が、選択された通信ノードを用いて複数の障害が発生した際にそれら複数の障害箇所を迂回する共通の迂回通信経路を探索する。
【選択図】 図2
Description
保護対象とする現用通信経路上の複数の障害をそれぞれ検知する複数の障害検知通信ノードから前記障害通知メッセージを転送する時間が所定の時間内である通信ノードを選択する通信ノード選択工程と、
前記通信ノード選択工程により選択された通信ノードを用いて複数の障害が発生した際に該複数の障害箇所を迂回する共通の迂回通信経路を探索する迂回通信経路探索工程と、
を含んだことを特徴とする迂回通信経路設計方法。
保護対象とする現用通信経路上の複数の障害をそれぞれ検知する複数の障害検知通信ノードから前記障害通知メッセージを転送する時間が所定の時間内である通信ノードを選択する通信ノード選択手段と、
前記通信ノード選択手段により選択された通信ノードを用いて複数の障害が発生した際に該複数の障害箇所を迂回する共通の迂回通信経路を探索する迂回通信経路探索手段と、
を備えたことを特徴とする迂回通信経路設計装置。
保護対象とする現用通信経路上の複数の障害をそれぞれ検知する複数の障害検知通信ノードから前記障害通知メッセージを転送する時間が所定の時間内である通信ノードを選択する通信ノード選択手順と、
前記通信ノード選択手順により選択された通信ノードを用いて複数の障害が発生した際に該複数の障害箇所を迂回する共通の迂回通信経路を探索する迂回通信経路探索手順と、
をコンピュータに実行させることを特徴とする迂回通信経路設計プログラム。
61、251、301 光信号入力部
62、122、252、302 光スイッチ部
63、253、303 光信号出力部
64、254、291 メッセージ受信部
65、125、255、292 メッセージ処理部
66、66a、256、293 メッセージ送信部
67、127、257、263、295 記憶部
67a、127a、257a、263a、295a トポロジー情報
67b、127b、257b、263b、295b 現用通信経路情報
67c、67c1、67c2、127c、257c、263c、295c 迂回通信経路情報
68、128、129、258、305 入力監視部
69、69a、69b、130、264、296 通信ノード選択部
70、70a、70b、131、265、297 迂回通信経路設計部
71、132、259、266、298、306 制御部
121、123 光信号入出力部
124、126 メッセージ送受信部
230 管理サーバ
231 通信ノード
261 管理情報送受信部
262 管理情報処理部
290 制御信号通信ノード
294、304 情報送受信部
300 ユーザデータ通信ノード
Claims (5)
- 複数の通信ノードを接続して構成される通信ネットワークの各通信ノードに迂回通信経路情報を予め設定しておき、通信リンク障害または通信ノード障害が発生した場合、障害検知通信ノードが障害箇所情報を含む障害通知メッセージを各通信ノードに送信し、障害通知メッセージを受信した通信ノードが並列に通信経路を切り替える通信ネットワークの迂回通信経路設計方法であって、
保護対象とする現用通信経路上の複数の障害をそれぞれ検知する複数の障害検知通信ノードから前記障害通知メッセージを転送する時間が所定の時間内である通信ノードを選択する通信ノード選択工程と、
前記通信ノード選択工程により選択された通信ノードを用いて複数の障害が発生した際に該複数の障害箇所を迂回する共通の迂回通信経路を探索する迂回通信経路探索工程と、
を含んだことを特徴とする迂回通信経路設計方法。 - 前記通信ノード選択工程は、転送される障害通信メッセージが通信リンクを通過する際の伝搬遅延時間および転送される障害通知メッセージが各通信ノードにおいて入出力処理される時間を基にして障害通知メッセージを転送する時間を計算することを特徴とする請求項1に記載の迂回通信経路設計方法。
- 前記通信ノード選択工程は、保護対象とする現用通信経路上の単一の障害を検知する複数の障害検知通信ノードのいずれかから前記障害通知メッセージが転送される時間が所定の時間内である通信ノードを各障害に対して抽出し、各障害に対して抽出された通信ノードに共通して含まれる通信ノードを選択することを特徴とする請求項1または2に記載の迂回通信経路設計方法。
- 前記通信ノード選択工程は、保護対象とする現用通信経路上の複数の障害を検知する複数の障害検知通信ノードから前記障害通知メッセージを前記現用通信経路を介して転送する時間が所定の時間内である前記現用通信経路上の通信ノードを選択し、前記迂回通信経路探索工程は、前記通信ノード選択工程により選択された通信ノードを始点通信ノードとする迂回通信経路を探索することを特徴とする請求項1または2に記載の迂回通信経路設計方法。
- 前記迂回通信経路探索工程は、前記通信ノード選択工程により選択された通信ノードを用いて前記保護対象とする現用通信経路上の複数の障害を迂回する迂回通信経路の探索を該現用通信経路を複数のセグメントに分けておこなうことを特徴とする請求項1〜4のいずれか1つに記載の迂回通信経路設計方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003390969A JP4209758B2 (ja) | 2003-11-20 | 2003-11-20 | 迂回通信経路設計方法 |
US10/878,085 US7852752B2 (en) | 2003-11-20 | 2004-06-28 | Method and apparatus for designing backup communication path, and computer product |
CNB2004100837351A CN100525285C (zh) | 2003-11-20 | 2004-10-14 | 用于设计备份通信路径的方法和设备以及计算机产品 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003390969A JP4209758B2 (ja) | 2003-11-20 | 2003-11-20 | 迂回通信経路設計方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005159434A true JP2005159434A (ja) | 2005-06-16 |
JP4209758B2 JP4209758B2 (ja) | 2009-01-14 |
Family
ID=34587464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003390969A Expired - Fee Related JP4209758B2 (ja) | 2003-11-20 | 2003-11-20 | 迂回通信経路設計方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7852752B2 (ja) |
JP (1) | JP4209758B2 (ja) |
CN (1) | CN100525285C (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008053938A (ja) * | 2006-08-23 | 2008-03-06 | Hitachi Communication Technologies Ltd | 通信路障害回復方式 |
WO2010038624A1 (ja) * | 2008-10-03 | 2010-04-08 | 日本電気株式会社 | 通信システム、ノード装置、通信システムの通信方法、およびプログラム |
Families Citing this family (165)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8099481B2 (en) * | 2003-12-16 | 2012-01-17 | Alcatel Lucent | System and method for resolving hubs and like devices in network topology |
KR100943620B1 (ko) * | 2004-06-25 | 2010-02-24 | 삼성전자주식회사 | 다중 반송파 기반의 통신 시스템에서의 자원 할당 방법 |
JP4520802B2 (ja) * | 2004-09-09 | 2010-08-11 | 株式会社日立製作所 | ストレージネットワーク管理サーバ、ストレージネットワーク管理方法、ストレージネットワーク管理用プログラムおよびストレージネットワーク管理システム |
JP4473700B2 (ja) * | 2004-11-02 | 2010-06-02 | 富士通株式会社 | パケット伝送装置およびパケット伝送方法 |
US7171070B1 (en) * | 2005-02-04 | 2007-01-30 | At&T Corp. | Arrangement for low cost path protection for optical communications networks |
US7260100B1 (en) * | 2005-08-08 | 2007-08-21 | Rockwell Collins, Inc. | System and method for net formation and merging in ad hoc networks |
US7596083B2 (en) * | 2005-11-30 | 2009-09-29 | At&T Intellectual Property I, L.P. | Network element recovery process |
JP4816142B2 (ja) * | 2006-03-01 | 2011-11-16 | 日本電気株式会社 | パス切替制御システム、コンピュータシステム及びパス切替制御方法 |
US8886831B2 (en) * | 2006-04-05 | 2014-11-11 | Cisco Technology, Inc. | System and methodology for fast link failover based on remote upstream failures |
CN100563354C (zh) * | 2006-07-03 | 2009-11-25 | 华为技术有限公司 | 一种自动交换光网络中实现业务保护的方法 |
CN101155433B (zh) * | 2006-09-30 | 2010-04-21 | 华为技术有限公司 | 业务保护方法以及路由设备 |
US8305884B2 (en) * | 2007-09-14 | 2012-11-06 | Ciena Corporation | Systems and methods for a self-healing carrier ethernet topology |
US7953016B2 (en) * | 2008-03-03 | 2011-05-31 | Nortel Networks Limited | Method and system for telecommunication apparatus fast fault notification |
US8300523B2 (en) * | 2008-07-28 | 2012-10-30 | Cisco Technology, Inc. | Multi-chasis ethernet link aggregation |
CN101877665B (zh) | 2009-04-29 | 2013-12-18 | 华为技术有限公司 | 环网保护方法、网络节点及环网络 |
WO2012176340A1 (en) * | 2011-06-23 | 2012-12-27 | Nec Corporation | A controller, a communication system, a communication method, and a storage medium for storing a communication program |
CN103597798B (zh) * | 2011-07-15 | 2015-09-16 | 德国电信股份公司 | 增强安全电信网络中的高可用性的方法以及包括多个远程节点的电信网络 |
CN102523594B (zh) * | 2011-11-30 | 2014-11-05 | 中国科学院微电子研究所 | 基于ZigBee协议获取节点丢失信息的方法和系统 |
US9113347B2 (en) | 2012-12-05 | 2015-08-18 | At&T Intellectual Property I, Lp | Backhaul link for distributed antenna system |
US9999038B2 (en) | 2013-05-31 | 2018-06-12 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
CN104521190B (zh) * | 2013-07-26 | 2017-10-17 | 华为技术有限公司 | 一种预留中继资源的方法及装置 |
US8897697B1 (en) | 2013-11-06 | 2014-11-25 | At&T Intellectual Property I, Lp | Millimeter-wave surface-wave communications |
CN105471613B (zh) * | 2014-09-10 | 2020-03-10 | 中兴通讯股份有限公司 | 一种临时通道的建立方法、设备和系统 |
US9768833B2 (en) | 2014-09-15 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves |
US10063280B2 (en) | 2014-09-17 | 2018-08-28 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
US9615269B2 (en) | 2014-10-02 | 2017-04-04 | At&T Intellectual Property I, L.P. | Method and apparatus that provides fault tolerance in a communication network |
US9685992B2 (en) | 2014-10-03 | 2017-06-20 | At&T Intellectual Property I, L.P. | Circuit panel network and methods thereof |
US9503189B2 (en) | 2014-10-10 | 2016-11-22 | At&T Intellectual Property I, L.P. | Method and apparatus for arranging communication sessions in a communication system |
US9973299B2 (en) | 2014-10-14 | 2018-05-15 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a mode of communication in a communication network |
US9762289B2 (en) | 2014-10-14 | 2017-09-12 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting or receiving signals in a transportation system |
US9627768B2 (en) | 2014-10-21 | 2017-04-18 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9520945B2 (en) | 2014-10-21 | 2016-12-13 | At&T Intellectual Property I, L.P. | Apparatus for providing communication services and methods thereof |
US9312919B1 (en) | 2014-10-21 | 2016-04-12 | At&T Intellectual Property I, Lp | Transmission device with impairment compensation and methods for use therewith |
US9653770B2 (en) | 2014-10-21 | 2017-05-16 | At&T Intellectual Property I, L.P. | Guided wave coupler, coupling module and methods for use therewith |
US9769020B2 (en) | 2014-10-21 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for responding to events affecting communications in a communication network |
US9577306B2 (en) | 2014-10-21 | 2017-02-21 | At&T Intellectual Property I, L.P. | Guided-wave transmission device and methods for use therewith |
US9780834B2 (en) | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
US10243784B2 (en) | 2014-11-20 | 2019-03-26 | At&T Intellectual Property I, L.P. | System for generating topology information and methods thereof |
US9954287B2 (en) | 2014-11-20 | 2018-04-24 | At&T Intellectual Property I, L.P. | Apparatus for converting wireless signals and electromagnetic waves and methods thereof |
US10340573B2 (en) | 2016-10-26 | 2019-07-02 | At&T Intellectual Property I, L.P. | Launcher with cylindrical coupling device and methods for use therewith |
US9997819B2 (en) | 2015-06-09 | 2018-06-12 | At&T Intellectual Property I, L.P. | Transmission medium and method for facilitating propagation of electromagnetic waves via a core |
US9800327B2 (en) | 2014-11-20 | 2017-10-24 | At&T Intellectual Property I, L.P. | Apparatus for controlling operations of a communication device and methods thereof |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
US9544006B2 (en) | 2014-11-20 | 2017-01-10 | At&T Intellectual Property I, L.P. | Transmission device with mode division multiplexing and methods for use therewith |
US9742462B2 (en) | 2014-12-04 | 2017-08-22 | At&T Intellectual Property I, L.P. | Transmission medium and communication interfaces and methods for use therewith |
US10009067B2 (en) | 2014-12-04 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for configuring a communication interface |
CN105827419B (zh) | 2015-01-05 | 2020-03-10 | 华为技术有限公司 | 一种转发设备故障处理的方法、设备和控制器 |
US10144036B2 (en) | 2015-01-30 | 2018-12-04 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium |
US9876570B2 (en) | 2015-02-20 | 2018-01-23 | At&T Intellectual Property I, Lp | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9749013B2 (en) | 2015-03-17 | 2017-08-29 | At&T Intellectual Property I, L.P. | Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium |
US9705561B2 (en) | 2015-04-24 | 2017-07-11 | At&T Intellectual Property I, L.P. | Directional coupling device and methods for use therewith |
US10224981B2 (en) | 2015-04-24 | 2019-03-05 | At&T Intellectual Property I, Lp | Passive electrical coupling device and methods for use therewith |
US9793954B2 (en) | 2015-04-28 | 2017-10-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device and methods for use therewith |
US9948354B2 (en) | 2015-04-28 | 2018-04-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device with reflective plate and methods for use therewith |
US9490869B1 (en) | 2015-05-14 | 2016-11-08 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores and methods for use therewith |
US9748626B2 (en) | 2015-05-14 | 2017-08-29 | At&T Intellectual Property I, L.P. | Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium |
US9871282B2 (en) | 2015-05-14 | 2018-01-16 | At&T Intellectual Property I, L.P. | At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric |
US10650940B2 (en) | 2015-05-15 | 2020-05-12 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US9917341B2 (en) | 2015-05-27 | 2018-03-13 | At&T Intellectual Property I, L.P. | Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves |
US9912381B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US10103801B2 (en) | 2015-06-03 | 2018-10-16 | At&T Intellectual Property I, L.P. | Host node device and methods for use therewith |
US10812174B2 (en) | 2015-06-03 | 2020-10-20 | At&T Intellectual Property I, L.P. | Client node device and methods for use therewith |
US9866309B2 (en) | 2015-06-03 | 2018-01-09 | At&T Intellectual Property I, Lp | Host node device and methods for use therewith |
US9913139B2 (en) | 2015-06-09 | 2018-03-06 | At&T Intellectual Property I, L.P. | Signal fingerprinting for authentication of communicating devices |
US9608692B2 (en) | 2015-06-11 | 2017-03-28 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9820146B2 (en) | 2015-06-12 | 2017-11-14 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9667317B2 (en) | 2015-06-15 | 2017-05-30 | At&T Intellectual Property I, L.P. | Method and apparatus for providing security using network traffic adjustments |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9865911B2 (en) | 2015-06-25 | 2018-01-09 | At&T Intellectual Property I, L.P. | Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium |
US9722318B2 (en) | 2015-07-14 | 2017-08-01 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10033108B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference |
US10205655B2 (en) | 2015-07-14 | 2019-02-12 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array and multiple communication paths |
US9847566B2 (en) | 2015-07-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a field of a signal to mitigate interference |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US9628116B2 (en) | 2015-07-14 | 2017-04-18 | At&T Intellectual Property I, L.P. | Apparatus and methods for transmitting wireless signals |
US10341142B2 (en) | 2015-07-14 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor |
US10320586B2 (en) | 2015-07-14 | 2019-06-11 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium |
US9882257B2 (en) | 2015-07-14 | 2018-01-30 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
US10170840B2 (en) | 2015-07-14 | 2019-01-01 | At&T Intellectual Property I, L.P. | Apparatus and methods for sending or receiving electromagnetic signals |
US9608740B2 (en) | 2015-07-15 | 2017-03-28 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9793951B2 (en) | 2015-07-15 | 2017-10-17 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10090606B2 (en) | 2015-07-15 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system with dielectric array and methods for use therewith |
US9948333B2 (en) | 2015-07-23 | 2018-04-17 | At&T Intellectual Property I, L.P. | Method and apparatus for wireless communications to mitigate interference |
US9871283B2 (en) | 2015-07-23 | 2018-01-16 | At&T Intellectual Property I, Lp | Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration |
US9749053B2 (en) | 2015-07-23 | 2017-08-29 | At&T Intellectual Property I, L.P. | Node device, repeater and methods for use therewith |
US9912027B2 (en) | 2015-07-23 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for exchanging communication signals |
US9967173B2 (en) | 2015-07-31 | 2018-05-08 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
US9904535B2 (en) | 2015-09-14 | 2018-02-27 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing software |
US10136434B2 (en) | 2015-09-16 | 2018-11-20 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel |
US10079661B2 (en) | 2015-09-16 | 2018-09-18 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a clock reference |
US10009063B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal |
US9769128B2 (en) | 2015-09-28 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for encryption of communications over a network |
US9729197B2 (en) | 2015-10-01 | 2017-08-08 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating network management traffic over a network |
US9876264B2 (en) | 2015-10-02 | 2018-01-23 | At&T Intellectual Property I, Lp | Communication system, guided wave switch and methods for use therewith |
US10355367B2 (en) | 2015-10-16 | 2019-07-16 | At&T Intellectual Property I, L.P. | Antenna structure for exchanging wireless signals |
CN105553735B (zh) * | 2015-12-24 | 2018-10-12 | 迈普通信技术股份有限公司 | 一种堆叠系统故障处理方法、设备及堆叠系统 |
JP6601232B2 (ja) * | 2016-01-21 | 2019-11-06 | 富士通株式会社 | 分析方法、分析装置、及び分析プログラム |
US9912419B1 (en) | 2016-08-24 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for managing a fault in a distributed antenna system |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US10291311B2 (en) | 2016-09-09 | 2019-05-14 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating a fault in a distributed antenna system |
US11032819B2 (en) | 2016-09-15 | 2021-06-08 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a control channel reference signal |
JP6772751B2 (ja) * | 2016-10-14 | 2020-10-21 | 富士通株式会社 | 設定方法及びサーバ装置 |
US10340600B2 (en) | 2016-10-18 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via plural waveguide systems |
US10135147B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US10135146B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via circuits |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US9991580B2 (en) | 2016-10-21 | 2018-06-05 | At&T Intellectual Property I, L.P. | Launcher and coupling system for guided wave mode cancellation |
US9876605B1 (en) | 2016-10-21 | 2018-01-23 | At&T Intellectual Property I, L.P. | Launcher and coupling system to support desired guided wave mode |
US10312567B2 (en) | 2016-10-26 | 2019-06-04 | At&T Intellectual Property I, L.P. | Launcher with planar strip antenna and methods for use therewith |
US10224634B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Methods and apparatus for adjusting an operational characteristic of an antenna |
US10498044B2 (en) | 2016-11-03 | 2019-12-03 | At&T Intellectual Property I, L.P. | Apparatus for configuring a surface of an antenna |
US10225025B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method and apparatus for detecting a fault in a communication system |
US10291334B2 (en) | 2016-11-03 | 2019-05-14 | At&T Intellectual Property I, L.P. | System for detecting a fault in a communication system |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10090594B2 (en) | 2016-11-23 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system having structural configurations for assembly |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-antenna system and methods for use therewith |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
US10361489B2 (en) | 2016-12-01 | 2019-07-23 | At&T Intellectual Property I, L.P. | Dielectric dish antenna system and methods for use therewith |
US10305190B2 (en) | 2016-12-01 | 2019-05-28 | At&T Intellectual Property I, L.P. | Reflecting dielectric antenna system and methods for use therewith |
US10439675B2 (en) | 2016-12-06 | 2019-10-08 | At&T Intellectual Property I, L.P. | Method and apparatus for repeating guided wave communication signals |
US10382976B2 (en) | 2016-12-06 | 2019-08-13 | At&T Intellectual Property I, L.P. | Method and apparatus for managing wireless communications based on communication paths and network device positions |
US10326494B2 (en) | 2016-12-06 | 2019-06-18 | At&T Intellectual Property I, L.P. | Apparatus for measurement de-embedding and methods for use therewith |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna and methods for use therewith |
US10755542B2 (en) | 2016-12-06 | 2020-08-25 | At&T Intellectual Property I, L.P. | Method and apparatus for surveillance via guided wave communication |
US10135145B2 (en) | 2016-12-06 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave along a transmission medium |
US10694379B2 (en) | 2016-12-06 | 2020-06-23 | At&T Intellectual Property I, L.P. | Waveguide system with device-based authentication and methods for use therewith |
US10819035B2 (en) | 2016-12-06 | 2020-10-27 | At&T Intellectual Property I, L.P. | Launcher with helical antenna and methods for use therewith |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided waves |
US9927517B1 (en) | 2016-12-06 | 2018-03-27 | At&T Intellectual Property I, L.P. | Apparatus and methods for sensing rainfall |
US10727599B2 (en) | 2016-12-06 | 2020-07-28 | At&T Intellectual Property I, L.P. | Launcher with slot antenna and methods for use therewith |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
US10389029B2 (en) | 2016-12-07 | 2019-08-20 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system with core selection and methods for use therewith |
US10547348B2 (en) | 2016-12-07 | 2020-01-28 | At&T Intellectual Property I, L.P. | Method and apparatus for switching transmission mediums in a communication system |
US10027397B2 (en) | 2016-12-07 | 2018-07-17 | At&T Intellectual Property I, L.P. | Distributed antenna system and methods for use therewith |
US10243270B2 (en) | 2016-12-07 | 2019-03-26 | At&T Intellectual Property I, L.P. | Beam adaptive multi-feed dielectric antenna system and methods for use therewith |
US10359749B2 (en) | 2016-12-07 | 2019-07-23 | At&T Intellectual Property I, L.P. | Method and apparatus for utilities management via guided wave communication |
US10139820B2 (en) | 2016-12-07 | 2018-11-27 | At&T Intellectual Property I, L.P. | Method and apparatus for deploying equipment of a communication system |
US10446936B2 (en) | 2016-12-07 | 2019-10-15 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system and methods for use therewith |
US10389037B2 (en) | 2016-12-08 | 2019-08-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for selecting sections of an antenna array and use therewith |
US10411356B2 (en) | 2016-12-08 | 2019-09-10 | At&T Intellectual Property I, L.P. | Apparatus and methods for selectively targeting communication devices with an antenna array |
US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US10069535B2 (en) | 2016-12-08 | 2018-09-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves having a certain electric field structure |
US10938108B2 (en) | 2016-12-08 | 2021-03-02 | At&T Intellectual Property I, L.P. | Frequency selective multi-feed dielectric antenna system and methods for use therewith |
US10530505B2 (en) | 2016-12-08 | 2020-01-07 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves along a transmission medium |
US10916969B2 (en) | 2016-12-08 | 2021-02-09 | At&T Intellectual Property I, L.P. | Method and apparatus for providing power using an inductive coupling |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
CN108199955B (zh) * | 2016-12-08 | 2021-11-12 | 中兴通讯股份有限公司 | 一种路由建立方法和装置 |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method for use therewith |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
US10798005B2 (en) * | 2018-09-13 | 2020-10-06 | International Business Machines Corporation | Optimizing application throughput |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6934249B1 (en) * | 1997-04-01 | 2005-08-23 | Cisco Technology, Inc. | Method and system for minimizing the connection set up time in high speed packet switching networks |
US6292463B1 (en) * | 1998-07-06 | 2001-09-18 | Alcatel Canada Inc. | Method and apparatus for recovering from a signalling failure in a switched connection data transmission network |
US6674713B1 (en) * | 1999-02-23 | 2004-01-06 | Cisco Technology, Inc. | Method and apparatus for providing continuous voice and call communications between a data network and a telephony network |
DE60119780T2 (de) * | 2000-11-28 | 2007-05-03 | Flash Networks Ltd. | System und verfahren für eine übertragungsratensteuerung |
US7035202B2 (en) * | 2001-03-16 | 2006-04-25 | Juniper Networks, Inc. | Network routing using link failure information |
JP4149680B2 (ja) | 2001-03-21 | 2008-09-10 | 富士通株式会社 | 通信ネットワークの迂回経路設計方法 |
US20030063613A1 (en) * | 2001-09-28 | 2003-04-03 | Carpini Walter Joseph | Label switched communication network and system and method for path restoration |
US6917759B2 (en) * | 2002-01-31 | 2005-07-12 | Nortel Networks Limited | Shared mesh signaling algorithm and apparatus |
US7197008B1 (en) * | 2002-07-05 | 2007-03-27 | Atrica Israel Ltd. | End-to-end notification of local protection using OAM protocol |
AU2003272210A1 (en) * | 2002-08-16 | 2004-03-03 | Nuasis Corporation | Automatic management of the visual space while performing a task |
US7646706B2 (en) * | 2003-03-31 | 2010-01-12 | Alcatel-Lucent Usa Inc. | Restoration time in mesh networks |
US7697417B2 (en) * | 2003-07-18 | 2010-04-13 | Alcatel-Lucent Usa Inc. | Methods and devices for re-routing MPLS traffic |
-
2003
- 2003-11-20 JP JP2003390969A patent/JP4209758B2/ja not_active Expired - Fee Related
-
2004
- 2004-06-28 US US10/878,085 patent/US7852752B2/en not_active Expired - Fee Related
- 2004-10-14 CN CNB2004100837351A patent/CN100525285C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008053938A (ja) * | 2006-08-23 | 2008-03-06 | Hitachi Communication Technologies Ltd | 通信路障害回復方式 |
JP4688757B2 (ja) * | 2006-08-23 | 2011-05-25 | 株式会社日立製作所 | 通信路障害回復方式 |
WO2010038624A1 (ja) * | 2008-10-03 | 2010-04-08 | 日本電気株式会社 | 通信システム、ノード装置、通信システムの通信方法、およびプログラム |
US8908502B2 (en) | 2008-10-03 | 2014-12-09 | Nec Corporation | Communication system, node device, communication method in the communication system, and program |
Also Published As
Publication number | Publication date |
---|---|
CN1620055A (zh) | 2005-05-25 |
US7852752B2 (en) | 2010-12-14 |
CN100525285C (zh) | 2009-08-05 |
US20050111350A1 (en) | 2005-05-26 |
JP4209758B2 (ja) | 2009-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4209758B2 (ja) | 迂回通信経路設計方法 | |
JP4149680B2 (ja) | 通信ネットワークの迂回経路設計方法 | |
JP4025674B2 (ja) | 迂回通信経路設計方法 | |
JP4423326B2 (ja) | ネットワーク管理装置、光分岐挿入ノードおよびネットワーク管理方法 | |
JP4661892B2 (ja) | 通信ネットワークシステム、通信装置、経路設計装置及び障害回復方法 | |
JP4688757B2 (ja) | 通信路障害回復方式 | |
JP5062845B2 (ja) | 経路切替方法、サーバ装置、境界ノード装置、経路切替システム及び経路切替プログラム | |
JP6044313B2 (ja) | 伝送装置および伝送方法 | |
JP2006253927A (ja) | データ中継装置およびデータ中継方法 | |
JP6357953B2 (ja) | 伝送装置およびアクティベーション方法 | |
US20090190469A1 (en) | Communication device, network system, path management method, and program | |
JP6269088B2 (ja) | 冗長パス提供方法および伝送装置 | |
US8234355B2 (en) | Communication device for path control, and path control method | |
JP4422568B2 (ja) | 光クロスコネクト装置および光伝送システム | |
JP2009188673A (ja) | 伝送装置およびパス設定方法 | |
JP4263662B2 (ja) | 光伝送装置、光伝送方法および光伝送システム | |
JP2008103893A (ja) | 通信システムおよび故障復旧方法 | |
JP2006319758A (ja) | 通信装置、通信システムおよび通信プログラム | |
JP4456570B2 (ja) | 境界ノード装置、冗長パス設定方法及び冗長パス設定プログラム | |
JP3826890B2 (ja) | パス再設定方法 | |
JP2010136299A (ja) | 通信システム、ネットワーク管理装置、ネットワークノード、通信システムの制御方法、及びプログラム | |
JP2024075906A (ja) | 光伝送システム、光ネットワーク監視装置及び光パス切替方法 | |
CN117061419A (zh) | 一种重路由方法及相关设备 | |
JP5176772B2 (ja) | 予備回線切替プロトコル処理cpuの負荷分散構成を持つ伝送装置およびcpu負荷分散制御方法 | |
JP3956914B2 (ja) | 波長多重通信網における網的切替方法および網的切替装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060814 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080627 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080708 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080908 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20081021 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20081023 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4209758 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111031 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111031 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121031 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121031 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131031 Year of fee payment: 5 |
|
LAPS | Cancellation because of no payment of annual fees |