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1. WO2020206100 - APPLYING ATTESTATION TO SEGMENT ROUTING

Publication Number WO/2020/206100
Publication Date 08.10.2020
International Application No. PCT/US2020/026358
International Filing Date 02.04.2020
IPC
G06F 21/57 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
57Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
H04L 12/24 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
24Arrangements for maintenance or administration
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
H04L 29/06 2006.01
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
02Communication control; Communication processing
06characterised by a protocol
H04L 12/723 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
723Label or tag based routing, e.g. multi-protocol label switching or generalised multi-protocol label switching
CPC
G06F 21/57
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
57Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
G06F 21/602
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
602Providing cryptographic facilities or services
H04L 45/50
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
50using label swapping, e.g. multi-protocol label switch [MPLS]
H04L 45/74
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
74Address processing for routing
H04L 63/0853
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
08for supporting authentication of entities communicating through a packet data network
0853using an additional device, e.g. smartcard, SIM or a different communication terminal
H04L 69/22
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
22Header parsing or analysis
Applicants
  • CISCO TECHNOLOGY, INC. [US]/[US]
Inventors
  • CLAD, Francois
  • GARVIA, Pablo, Camarillo
  • FILSFILS, Clarence
Agents
  • SANFORD, Christa
Priority Data
16/781,83804.02.2020US
62/829,49204.04.2019US
62/829,49404.04.2019US
62/829,49804.04.2019US
62/829,57404.04.2019US
62/829,58004.04.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) APPLYING ATTESTATION TO SEGMENT ROUTING
(FR) APPLICATION D'ATTESTATION À UN ROUTAGE DE SEGMENT
Abstract
(EN)
In one embodiment, a method by an apparatus of a segment routing (SR) network includes receiving a data packet and accessing an attestation token for the apparatus. The method further includes determining a location within a header of the received data packet for the attestation token and creating an updated header by encoding the attestation token in the determined location of the header. The method further includes sending the updated header with the encoded attestation token to another apparatus of the SR network.
(FR)
Dans un mode de réalisation, un procédé mis en œuvre par un appareil d'un réseau de routage de segments (SR) consiste à recevoir un paquet de données ainsi qu'à accéder à un jeton d'attestation pour l'appareil. Le procédé consiste également à : déterminer un emplacement dans un en-tête du paquet de données reçu pour le jeton d'attestation; et créer un en-tête mis à jour en codant le jeton d'attestation dans l'emplacement déterminé de l'en-tête. Le procédé consiste également à envoyer l'en-tête mis à jour avec le jeton d'attestation codé à un autre appareil du réseau SR.
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