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1. WO2006136997 - COMMUNICATION NETWORK SYSTEM

Publication Number WO/2006/136997
Publication Date 28.12.2006
International Application No. PCT/IB2006/051956
International Filing Date 19.06.2006
IPC
H04L 12/40 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
28characterised by path configuration, e.g. LAN or WAN
40Bus networks
H04B 10/272 2013.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
27Arrangements for networking
272Star-type networks
H04L 29/14 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
14Counter-measures to a fault
H04Q 11/00 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
QSELECTING
11Selecting arrangements for multiplex systems
CPC
H04B 10/2725
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
27Arrangements for networking
272Star-type networks ; or tree-type networks
2725Star-type networks without a headend
H04L 12/40182
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
28characterised by path configuration, e.g. local area networks [LAN], wide area networks [WAN]
40Bus networks
40169Flexible bus arrangements
40176involving redundancy
40182by using a plurality of communication lines
H04L 2012/40273
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
28characterised by path configuration, e.g. local area networks [LAN], wide area networks [WAN]
40Bus networks
40267Bus for use in transportation systems
40273the transportation system being a vehicle
H04L 69/40
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
40Techniques for recovering from a failure of a protocol instance or entity, e.g. failover routines, service redundancy protocols, protocol state redundancy or protocol service redirection in case of a failure or disaster recovery
Applicants
  • NXP B.V. [NL]/[NL] (AllExceptUS)
  • FUHRMANN, Peter [DE]/[DE] (UsOnly)
Inventors
  • FUHRMANN, Peter
Agents
  • VOLMER, Georg
Priority Data
05105682.824.06.2005EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) COMMUNICATION NETWORK SYSTEM
(FR) SYSTEME DE RESEAU DE COMMUNICATION
Abstract
(EN) The invention relates to an active star coupler based network handling of redundancy in the physical layer by transmitting a message to both regular (30, 32, 34, 36, 138, 140, 146) and redundant links (38, 148). In error free case the message is forwarded by the regular interface (12, 14, 16, 18, 114, 116, 122), while the redundant link (38, 148) is blocked. Each interface is equipped with a link failure detection logic (24, 132). If a link failure is detected, an incoming message is blocked and the affected interface controls the interface (20, 126) connected to the redundant link to take over message forwarding. If the link recovers, the regular interface takes over forwarding responsibility and the redundant link is disabled.
(FR) L'invention porte sur la gestion, par un réseau à coupleur étoile active, de la redondance dans la couche physique, gestion qui s'effectue par la transmission d'un message tant vers les liaisons ordinaires (30, 32, 34, 36, 138, 140, 146) que vers les liaisons redondantes (38, 148). Dans les cas où il n'y a pas d'erreur, le message est transmis par l'interface ordinaire (12, 14, 16, 18, 114, 116, 122), tandis que la liaison redondante (38, 148) est bloquée. Chaque interface est équipée d'une logique de détection d'échec de la liaison (24, 132). Si un échec de liaison est détecté, un message d'entrée est bloqué et l'interface touchée commande à l'interface (20, 126) reliée à la liaison redondante d'effectuer la transmission du message. Si la liaison est restaurée, l'interface ordinaire reprend la responsabilité de la transmission et la liaison redondante est désactivée.
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