WO2009044455A1 - Routing control apparatus and routing control method - Google Patents

Routing control apparatus and routing control method Download PDF

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Publication number
WO2009044455A1
WO2009044455A1 PCT/JP2007/069297 JP2007069297W WO2009044455A1 WO 2009044455 A1 WO2009044455 A1 WO 2009044455A1 JP 2007069297 W JP2007069297 W JP 2007069297W WO 2009044455 A1 WO2009044455 A1 WO 2009044455A1
Authority
WO
WIPO (PCT)
Prior art keywords
routing information
bypass
router
routing
routing control
Prior art date
Application number
PCT/JP2007/069297
Other languages
French (fr)
Japanese (ja)
Inventor
Masaaki Kurisu
Manabu Iwasaki
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/JP2007/069297 priority Critical patent/WO2009044455A1/en
Publication of WO2009044455A1 publication Critical patent/WO2009044455A1/en

Links

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
    • 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
    • H04L45/12—Shortest path evaluation
    • H04L45/125—Shortest path evaluation based on throughput or bandwidth
    • 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
    • H04L45/302—Route determination based on requested QoS
    • H04L45/304—Route determination for signalling traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/122—Avoiding congestion; Recovering from congestion by diverting traffic away from congested entities

Abstract

A routing control apparatus (SR) for performing a routing control of a packet in an IP telephone system which has a packet communication network composed of a plurality of routers (A to D) comprises: a routing information collection unit (21) for collecting the routing information held by the routers (A to D); a traffic information reception unit (23) for receiving the traffic information which indicates the router (B) in which congestion occurrence is detected; a congestion router determination unit (24) for determining the congestion router according to the traffic information; a bypass route determination unit (26) for determining a bypass route for transferring a packet by bypassing the congestion router (B); a bypass routing information generation unit (26) for generating bypass routing information in which the bypass route is provided in the collected routing information; and a routing information update unit (21) for updating the routing information used by the router to the bypass routing information.
PCT/JP2007/069297 2007-10-02 2007-10-02 Routing control apparatus and routing control method WO2009044455A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/069297 WO2009044455A1 (en) 2007-10-02 2007-10-02 Routing control apparatus and routing control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/069297 WO2009044455A1 (en) 2007-10-02 2007-10-02 Routing control apparatus and routing control method

Publications (1)

Publication Number Publication Date
WO2009044455A1 true WO2009044455A1 (en) 2009-04-09

Family

ID=40525888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/069297 WO2009044455A1 (en) 2007-10-02 2007-10-02 Routing control apparatus and routing control method

Country Status (1)

Country Link
WO (1) WO2009044455A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014027687A1 (en) * 2012-08-17 2014-02-20 日本電気株式会社 Communication system, control information recording device, control device, control information recording method and program

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1065687A (en) * 1996-08-21 1998-03-06 Nec Corp Atm network congestion control system
JPH11261643A (en) * 1998-03-13 1999-09-24 Nippon Telegr & Teleph Corp <Ntt> Congestion area detection method, device thereof and storage medium with congestion area detection program stored therein
JP2004260285A (en) * 2003-02-24 2004-09-16 Nippon Telegr & Teleph Corp <Ntt> Communication quality management system and method
JP2004312380A (en) * 2003-04-07 2004-11-04 Oki Electric Ind Co Ltd Band control system
JP2005512393A (en) * 2001-11-29 2005-04-28 イプサム ネットワークス、インク． Method and system for routing in packet networks
JP2005311593A (en) * 2004-04-20 2005-11-04 Nippon Telegr & Teleph Corp <Ntt> Call control server for carrying out congestion control, and congestion control system and method
JP2006304028A (en) * 2005-04-22 2006-11-02 Fujitsu Ltd Network control system and congestion control method
JP2007235897A (en) * 2006-01-31 2007-09-13 Intec Netcore Inc Apparatus and method for network monitoring

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1065687A (en) * 1996-08-21 1998-03-06 Nec Corp Atm network congestion control system
JPH11261643A (en) * 1998-03-13 1999-09-24 Nippon Telegr & Teleph Corp <Ntt> Congestion area detection method, device thereof and storage medium with congestion area detection program stored therein
JP2005512393A (en) * 2001-11-29 2005-04-28 イプサム ネットワークス、インク． Method and system for routing in packet networks
JP2004260285A (en) * 2003-02-24 2004-09-16 Nippon Telegr & Teleph Corp <Ntt> Communication quality management system and method
JP2004312380A (en) * 2003-04-07 2004-11-04 Oki Electric Ind Co Ltd Band control system
JP2005311593A (en) * 2004-04-20 2005-11-04 Nippon Telegr & Teleph Corp <Ntt> Call control server for carrying out congestion control, and congestion control system and method
JP2006304028A (en) * 2005-04-22 2006-11-02 Fujitsu Ltd Network control system and congestion control method
JP2007235897A (en) * 2006-01-31 2007-09-13 Intec Netcore Inc Apparatus and method for network monitoring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014027687A1 (en) * 2012-08-17 2014-02-20 日本電気株式会社 Communication system, control information recording device, control device, control information recording method and program

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