WO2008114364A1 - 中継装置及びその導通確認方法並びに導通確認回路 - Google Patents

中継装置及びその導通確認方法並びに導通確認回路 Download PDF

Info

Publication number
WO2008114364A1
WO2008114364A1 PCT/JP2007/055428 JP2007055428W WO2008114364A1 WO 2008114364 A1 WO2008114364 A1 WO 2008114364A1 JP 2007055428 W JP2007055428 W JP 2007055428W WO 2008114364 A1 WO2008114364 A1 WO 2008114364A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
relay device
conduction confirmation
communication port
port
Prior art date
Application number
PCT/JP2007/055428
Other languages
English (en)
French (fr)
Inventor
Ko Takatori
Original Assignee
Fujitsu Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/055428 priority Critical patent/WO2008114364A1/ja
Priority to JP2009504964A priority patent/JP4684350B2/ja
Publication of WO2008114364A1 publication Critical patent/WO2008114364A1/ja
Priority to US12/559,599 priority patent/US8040814B2/en

Links

Classifications

    • 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]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H04L12/4645—Details on frame tagging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/354—Switches specially adapted for specific applications for supporting virtual local area networks [VLAN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

　複数の仮想ネットワークの導通状態を効率的に確認する中継装置を提供する。複数のネットワーク識別子が設定されたフレームを中継する中継装置において、通信ポートにおいて受信されたフレームが特定フレームか否かを判別するフレーム判別手段と、上記受信フレームが特定フレームと判別され且つ上記通信ポートがブロッキングポートである場合に、当該特定フレームに設定されているネットワーク識別子を複数のネットワーク識別子のうちの他のネットワーク識別子に変換する変換手段と、この変換手段によりネットワーク識別子の変換された特定フレームを上記通信ポートの対向ポートから送出する送出手段とを備える。
PCT/JP2007/055428 2007-03-16 2007-03-16 中継装置及びその導通確認方法並びに導通確認回路 WO2008114364A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/055428 WO2008114364A1 (ja) 2007-03-16 2007-03-16 中継装置及びその導通確認方法並びに導通確認回路
JP2009504964A JP4684350B2 (ja) 2007-03-16 2007-03-16 中継装置及びその導通確認方法並びに導通確認回路
US12/559,599 US8040814B2 (en) 2007-03-16 2009-09-15 Relay apparatus, conduction confirmation method thereof and conduction confirmation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/055428 WO2008114364A1 (ja) 2007-03-16 2007-03-16 中継装置及びその導通確認方法並びに導通確認回路

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/559,599 Continuation US8040814B2 (en) 2007-03-16 2009-09-15 Relay apparatus, conduction confirmation method thereof and conduction confirmation circuit

Publications (1)

Publication Number Publication Date
WO2008114364A1 true WO2008114364A1 (ja) 2008-09-25

Family

ID=39765486

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/055428 WO2008114364A1 (ja) 2007-03-16 2007-03-16 中継装置及びその導通確認方法並びに導通確認回路

Country Status (3)

Country Link
US (1) US8040814B2 (ja)
JP (1) JP4684350B2 (ja)
WO (1) WO2008114364A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010147930A (ja) * 2008-12-19 2010-07-01 Fujitsu Ltd ブリッジ装置及び仮想ネットワーク障害切替え方法
JP2012099994A (ja) * 2010-11-01 2012-05-24 Fujitsu Telecom Networks Ltd 通信システム、通信装置およびリング網監視方法
WO2013081007A1 (ja) * 2011-11-30 2013-06-06 三菱電機株式会社 映像監視システム
JP2014236377A (ja) * 2013-06-03 2014-12-15 日本電気通信システム株式会社 障害検出システム、障害検出方法、及び、通信装置の制御プログラム
WO2016080112A1 (ja) * 2014-11-18 2016-05-26 株式会社東芝 制御装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8036229B2 (en) * 2007-10-08 2011-10-11 Cisco Technology, Inc. Switch with virtual network identifier re-write capability
US8325644B2 (en) * 2009-11-06 2012-12-04 Qualcomm Incorporated Mixed mode preamble design for signaling number of streams per client
JP5618886B2 (ja) * 2011-03-31 2014-11-05 株式会社日立製作所 ネットワークシステムおよび計算機振り分け装置、計算機振り分け方法
JP6528528B2 (ja) * 2015-04-30 2019-06-12 セイコーエプソン株式会社 ネットワークシステム、ネットワークシステムの制御方法、及び、プリンター
JP6512001B2 (ja) * 2015-07-07 2019-05-15 株式会社デンソー 中継装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004336375A (ja) * 2003-05-07 2004-11-25 Fujitsu Ltd 導通確認機能を有するスイッチ
JP2004364065A (ja) * 2003-06-05 2004-12-24 Nec Corp Ｌ２スイッチ導通確認システム、ｌ２スイッチおよびｌ２スイッチ導通確認方法
JP2005269059A (ja) * 2004-03-17 2005-09-29 Fujitsu Ltd データ中継装置、データ中継方法およびデータ中継プログラム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI254527B (en) * 2003-02-19 2006-05-01 Nec Corp Network system, spanning tree configuration method and spanning tree configuration node
JP4074268B2 (ja) 2003-08-22 2008-04-09 日本電信電話株式会社 パケット転送方法及び転送装置
US20050076140A1 (en) * 2003-09-24 2005-04-07 Hei Tao Fung [topology loop detection mechanism]
US7710888B2 (en) * 2004-04-05 2010-05-04 Verizon Business Global Llc Apparatus and method for testing and fault isolation in a communication network
EP1768328B1 (en) 2004-07-14 2012-12-26 Nippon Telegraph And Telephone Corporation Packet transmission method and packet transmission device
US7706258B2 (en) * 2004-12-22 2010-04-27 Alcatel Lucent System and method for detecting loops in a customer-provider bridge domain
CN101189838B (zh) * 2005-03-31 2014-09-10 日本电气株式会社 环形网络系统、故障恢复方法和节点
US8520508B2 (en) * 2007-02-13 2013-08-27 Force10 Networks, Inc. Spanning tree ring protocol

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004336375A (ja) * 2003-05-07 2004-11-25 Fujitsu Ltd 導通確認機能を有するスイッチ
JP2004364065A (ja) * 2003-06-05 2004-12-24 Nec Corp Ｌ２スイッチ導通確認システム、ｌ２スイッチおよびｌ２スイッチ導通確認方法
JP2005269059A (ja) * 2004-03-17 2005-09-29 Fujitsu Ltd データ中継装置、データ中継方法およびデータ中継プログラム

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010147930A (ja) * 2008-12-19 2010-07-01 Fujitsu Ltd ブリッジ装置及び仮想ネットワーク障害切替え方法
JP2012099994A (ja) * 2010-11-01 2012-05-24 Fujitsu Telecom Networks Ltd 通信システム、通信装置およびリング網監視方法
US8948033B2 (en) 2010-11-01 2015-02-03 Fujitsu Telecom Networks Limited Communication system, communication apparatus, and ring network monitoring method
WO2013081007A1 (ja) * 2011-11-30 2013-06-06 三菱電機株式会社 映像監視システム
JP5606637B2 (ja) * 2011-11-30 2014-10-15 三菱電機株式会社 映像監視システム
US9503695B2 (en) 2011-11-30 2016-11-22 Mitsubishi Electric Corporation Network system having switch transferring data
JP2014236377A (ja) * 2013-06-03 2014-12-15 日本電気通信システム株式会社 障害検出システム、障害検出方法、及び、通信装置の制御プログラム
WO2016080112A1 (ja) * 2014-11-18 2016-05-26 株式会社東芝 制御装置
JP2016100653A (ja) * 2014-11-18 2016-05-30 株式会社東芝 制御装置
US10356010B2 (en) 2014-11-18 2019-07-16 Kabushiki Kaisha Toshiba Control device

Also Published As

Publication number Publication date
US8040814B2 (en) 2011-10-18
JPWO2008114364A1 (ja) 2010-06-24
US20100002705A1 (en) 2010-01-07
JP4684350B2 (ja) 2011-05-18

Similar Documents

Publication Publication Date Title
WO2008114364A1 (ja) 中継装置及びその導通確認方法並びに導通確認回路
WO2013134668A3 (en) Systems and methods for establishing a connection setup through relays
WO2011022195A3 (en) Switching communications between different networks based on device capabilities
WO2009031282A1 (ja) 無線中継装置および無線通信システム
WO2015002508A3 (ko) 근접 서비스를 위한 릴레이 제어 방법 및 이를 위한 장치
WO2011038801A3 (en) Relay backhaul uplink harq protocol
NZ606498A (en) Reconfigurable load-control receiver
WO2009047709A3 (en) Techniques for link utilization for half-duplex and full-duplex stations in a wireless network
WO2009129835A8 (en) Network node and method of routing messages in an ip-based signaling network
WO2008115124A8 (en) Method for configuring the link maximum transmission unit (mtu) in a user equipment (ue)
EP2566280A3 (en) System and method for bridging to a LTE wireless communication network
WO2007141651A3 (en) A method and system for optimizing resources for establishing pseudo-wires in a multiprotocol label switching network
WO2008123272A1 (ja) 通信装置、同期通信システムおよび同期通信方法
WO2010151079A3 (ko) 단말의 릴레잉을 이용하여 간섭 제어를 수행하는 다중 셀 통신 시스템
WO2008114751A1 (ja) 無線通信装置及び無線通信方法
WO2009154401A3 (en) Method and system for maintaining connections between a terminal and servers in a communication system
MY152719A (en) Method for providing a roaming service between heterogenous networks and system therefor.
MY153254A (en) Wireless network communications system
WO2009151975A3 (en) System and method for interrupting a transmitting device in a communication system
WO2009136089A3 (fr) Procede de transfert de flux entre points d'acces heterogenes
WO2010129823A3 (en) Method and apparatus to establish trust and secure connection via a mutually trusted intermediary
WO2007089896A3 (en) System and method for making busses limited to a linear topology extensible to other topologies
WO2011025284A3 (en) Method and system to handle a signaling connection release process in a wireless communication system
GB2480986A (en) Network interface
GB2514057A (en) Method and system to reduce wireless network packets for centralized layer two network

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07738873

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2009504964

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07738873

Country of ref document: EP

Kind code of ref document: A1