US 12,244,644 B2
Methods and devices for measuring reputation in a communication network
Frédéric Fieau, Chatillon (FR); Emile Stephan, Chatillon (FR); and Gaël Fromentoux, Chatillon (FR)
Assigned to ORANGE, Issy-les-Moulineaux (FR)
Appl. No. 17/607,289
Filed by ORANGE, Issy-les-Moulineaux (FR)
PCT Filed Apr. 29, 2020, PCT No. PCT/EP2020/061822
§ 371(c)(1), (2) Date Oct. 28, 2021,
PCT Pub. No. WO2020/221779, PCT Pub. Date Nov. 5, 2020.
Claims priority of application No. 1904585 (FR), filed on Apr. 30, 2019.
Prior Publication US 2022/0217179 A1, Jul. 7, 2022
Int. Cl. H04L 9/40 (2022.01); H04L 45/00 (2022.01)
CPC H04L 63/20 (2013.01) [H04L 45/14 (2013.01); H04L 45/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for measuring reputation of paths visiting nodes in a communication network, the method being implemented by at least one device of the network and comprising, for each node visited by a current path of the network:
assigning a security score for this node, wherein the security score comprises at least a proof of transit, and
estimating a first trust index based on:
a cumulative on said current path of the successive scores of the nodes visited by the current path, and
a count of nodes visited by the current path,
wherein:
said count of nodes is deduced from a value from a function selected among a function of at least one connection time value of a packet exchanged on the current path, and/or a function of a count of encapsulations of a packet exchanged on the current path; and
the estimation of said first trust index providing a reputation measurement for the current path.