FAULT TOLERANT NETWORK ROUTING

Title:

FAULT TOLERANT NETWORK ROUTING

Document Type and Number:

WIPO Patent Application WO2004023734

Kind Code:

A3

Abstract:

A network provides fault tolerant network routing by identifying root nodes that provide cover against a particular type of fault. Nodes then route copies of packets through these root nodes such that an occurrence of the particular type of fault will not disrupt delivery of the packets.

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Inventors:

CZEZOWSKI PETER J (CA)
HAMADA TAKEO
SU CHING-FONG

Application Number:

PCT/CA2003/001301

Publication Date:

August 19, 2004

Filing Date:

September 03, 2003

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Assignee:

FUJITSU LTD (JP)
CZEZOWSKI PETER J (CA)

International Classes:

H04L12/56; (IPC1-7): H04L12/56; H04L12/24

Foreign References:

US6047331A	2000-04-04
US6154463A	2000-11-28
US20020167898A1	2002-11-14

Other References:

KODIALAM M ET AL: "RESTORABLE DYNAMIC QUALITY OF SERVICE ROUTING", IEEE COMMUNICATIONS MAGAZINE, IEEE SERVICE CENTER. PISCATAWAY, N.J, US, vol. 40, no. 6, June 2002 (2002-06-01), pages 72 - 81, XP001123514, ISSN: 0163-6804

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