CA2045317A1 - Communication system using establishing network route - Google Patents

Communication system using establishing network route

Info

Publication number
CA2045317A1
CA2045317A1 CA2045317A CA2045317A CA2045317A1 CA 2045317 A1 CA2045317 A1 CA 2045317A1 CA 2045317 A CA2045317 A CA 2045317A CA 2045317 A CA2045317 A CA 2045317A CA 2045317 A1 CA2045317 A1 CA 2045317A1
Authority
CA
Canada
Prior art keywords
network route
communication system
node
search message
message
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
Application number
CA2045317A
Other languages
French (fr)
Other versions
CA2045317C (en
Inventor
Hiroaki Komine
Takafumi Chujo
Keiji Miyazaki
Takao Ogura
Tetsuo Soejima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Ltd filed Critical Fujitsu Ltd
Publication of CA2045317A1 publication Critical patent/CA2045317A1/en
Application granted granted Critical
Publication of CA2045317C publication Critical patent/CA2045317C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H04L45/26—Route discovery packet
    • 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
    • H04L45/44—Distributed routing

Abstract

A communication system using a network route establishing technique for a network having a plurality of nodes connected through links, in which a route search message is delivered simultaneously in a plurality of directions from a sender node through a network route to a destination node, and a confirmation is delivered from the destination through the network route back to the sender node, and accordingly, a network route is established. The communication system includes a device for detecting, at a node through which a search message is to be transmitted, a possibility of a transmission of the search message beyond the node, a device for delivering a cancel message in the direction from which the search message has been transmitted, and a device for releasing the network route engaged by the search message, based on the delivered cancel message.
CA002045317A 1990-06-27 1991-06-24 Communication system using establishing network route Expired - Fee Related CA2045317C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02-168760 1990-06-27
JP16876090A JP2875598B2 (en) 1990-06-27 1990-06-27 Network route setting method in node

Publications (2)

Publication Number Publication Date
CA2045317A1 true CA2045317A1 (en) 1991-12-28
CA2045317C CA2045317C (en) 1999-02-16

Family

ID=15873930

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002045317A Expired - Fee Related CA2045317C (en) 1990-06-27 1991-06-24 Communication system using establishing network route

Country Status (5)

Country Link
US (1) US5604868A (en)
EP (1) EP0464680B1 (en)
JP (1) JP2875598B2 (en)
CA (1) CA2045317C (en)
DE (1) DE69133470T2 (en)

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US7570583B2 (en) * 1997-12-05 2009-08-04 Cisco Technology, Inc. Extending SONET/SDH automatic protection switching
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Also Published As

Publication number Publication date
EP0464680A3 (en) 1995-03-01
US5604868A (en) 1997-02-18
EP0464680B1 (en) 2005-06-15
JP2875598B2 (en) 1999-03-31
DE69133470T2 (en) 2006-05-11
JPH0457428A (en) 1992-02-25
EP0464680A2 (en) 1992-01-08
CA2045317C (en) 1999-02-16
DE69133470D1 (en) 2005-07-21

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Legal Events

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EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20080625