CA2123441A1 - Method and Apparatus for an Automatic Decomposition of a Network Topology Into a Backbone and Subareas - Google Patents

Method and Apparatus for an Automatic Decomposition of a Network Topology Into a Backbone and Subareas

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Publication number
CA2123441A1
CA2123441A1 CA2123441A CA2123441A CA2123441A1 CA 2123441 A1 CA2123441 A1 CA 2123441A1 CA 2123441 A CA2123441 A CA 2123441A CA 2123441 A CA2123441 A CA 2123441A CA 2123441 A1 CA2123441 A1 CA 2123441A1
Authority
CA
Canada
Prior art keywords
nodes
backbone
subareas
network
routing
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
CA2123441A
Other languages
French (fr)
Other versions
CA2123441C (en
Inventor
Claude Galand
Paolo Scotton
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of CA2123441A1 publication Critical patent/CA2123441A1/en
Application granted granted Critical
Publication of CA2123441C publication Critical patent/CA2123441C/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
    • H04L45/02—Topology update or discovery
    • H04L45/04—Interdomain routing, e.g. hierarchical routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • 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
    • H04L45/46—Cluster building
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them

Abstract

The object of the invention is to perform an automatic decomposition of a packet switching network in backbone nodes and subareas nodes to speed up the routing path search without degrading the optimization criterion of the routing algorithm and without generating additional control messages on the network. Currently, routing algorithms compute all the available paths in the network, from the source node to the destination node before to select an optimal route. However, networks are rarely fully meshed. They are usually built around a hierarchical structure : a set of nodes, interconnected by high throughput lines, are used to build a backbone with a high degree of meshing and then, local nodes are grouped in geographical subareas themselves attached to the backbone. Routing algorithms can take advantage of this particular network topology to drastically reduce the complexity of paths computation. For a given connection, only a limited number of nodes are defined as usable and are taken in account by the algorithm in its path calculation. <IMAGE>
CA002123441A 1993-07-30 1994-05-12 Method and apparatus for an automatic decomposition of a network topology into a backbone and subareas Expired - Fee Related CA2123441C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP93480105A EP0637153B1 (en) 1993-07-30 1993-07-30 Method and apparatus for an automatic decomposition of a network topology into a backbone and subareas
EP93480105.1 1993-07-30

Publications (2)

Publication Number Publication Date
CA2123441A1 true CA2123441A1 (en) 1995-01-31
CA2123441C CA2123441C (en) 1999-02-16

Family

ID=8214841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002123441A Expired - Fee Related CA2123441C (en) 1993-07-30 1994-05-12 Method and apparatus for an automatic decomposition of a network topology into a backbone and subareas

Country Status (6)

Country Link
US (1) US5495479A (en)
EP (1) EP0637153B1 (en)
JP (1) JP2737828B2 (en)
AT (1) ATE208109T1 (en)
CA (1) CA2123441C (en)
DE (1) DE69331054T2 (en)

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Also Published As

Publication number Publication date
JPH0766834A (en) 1995-03-10
US5495479A (en) 1996-02-27
EP0637153B1 (en) 2001-10-31
EP0637153A1 (en) 1995-02-01
JP2737828B2 (en) 1998-04-08
ATE208109T1 (en) 2001-11-15
DE69331054D1 (en) 2001-12-06
DE69331054T2 (en) 2002-06-20
CA2123441C (en) 1999-02-16

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