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1. WO2005096566 - DATA NETWORK, METHOD AND FEEDBACK NODE FOR ASSIGNING AND PROVIDING PATH CHARACTERISATION METRICS

Publication Number WO/2005/096566
Publication Date 13.10.2005
International Application No. PCT/GB2005/001246
International Filing Date 30.03.2005
IPC
H04L 12/14 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
14Charging arrangements
H04L 12/707 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
70Packet switching systems
701Routing or path finding
703Route fault prevention or recovery, e.g. rerouting, route redundancy, virtual router redundancy protocol or hot standby router protocol
707using path redundancy
H04L 12/721 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
70Packet switching systems
701Routing or path finding
721Routing procedures, e.g. shortest path routing, source routing, link state routing or distance vector routing
H04L 12/751 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
70Packet switching systems
701Routing or path finding
751Topology update or discovery
CPC
H04L 12/14
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
14Metering,; charging ; or billing; arrangements ; specially adapted for data wireline or wireless communications
H04L 12/1425
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
14Metering,; charging ; or billing; arrangements ; specially adapted for data wireline or wireless communications
1425involving dedicated fields in the data packet for billing purposes
H04L 12/1489
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
14Metering,; charging ; or billing; arrangements ; specially adapted for data wireline or wireless communications
1485Tariff-related aspects
1489dependent on congestion
H04L 45/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
02Topology update or discovery
H04L 45/123
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
12Shortest path evaluation
123Evaluation of link metrics
H04L 45/22
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
22Alternate routing
Applicants
  • BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY [GB]/[GB] (AllExceptUS)
  • BRISCOE, Bob [GB]/[GB] (UsOnly)
  • SOPPERA, Andrea [IT]/[GB] (UsOnly)
  • JACQUET, Arnaud [FR]/[GB] (UsOnly)
  • CAZALET, Sebastien [FR]/[FR] (UsOnly)
Inventors
  • BRISCOE, Bob
  • SOPPERA, Andrea
  • JACQUET, Arnaud
  • CAZALET, Sebastien
Agents
  • GEFFEN, Nigel, Paul
Priority Data
0407144.530.03.2004GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DATA NETWORK, METHOD AND FEEDBACK NODE FOR ASSIGNING AND PROVIDING PATH CHARACTERISATION METRICS
(FR) RESEAU DE DONNEES, PROCEDE ET NOEUD DE RETROACTION POUR ATTRIBUER ET PRODUIRE DES METRIQUES DE CARACTERISATION DE VOIES
Abstract
(EN)
The invention relates to data networks, and to nodes making up parts of data networks, arranged to derive information relating to the characterisation of paths taken by data travelling between nodes in the networks. Path characterisation information is fed back from a receiver of data to a provider of data, and informs nodes subsequently forwarding data of characteristics of the downstream path. Also described are routing and related controlling nodes and methods for using such path characterisation information to make informed routing and other decisions when forwarding data in a data network.
(FR)
L'invention concerne des réseaux de données et des noeuds formant des parties des réseaux de données, conçus pour dériver les informations relatives à la caractérisation de voies empruntées par des données circulant entre des noeuds de réseaux. Les informations de caractérisation de voies sont renvoyées par un récepteur de données à un fournisseur de données, et informent les noeuds consécutivement à la transmission de données de caractéristiques de la voie en aval. L'invention porte également sur l'acheminement et la commande associée de noeuds ainsi que sur des méthodes d'utilisation desdites informations de caractérisation de voies pour produire un acheminement informé et d'autres décisions lors de la retransmission de données dans un réseau de données.
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