Abstract: A method of collaboration between protecting services associated with one or more domains. Such a method includes: getting a first agent used by a first protecting service to identify an attack on at least one resource managed by a domain protected by the first protecting service; and transmitting, to at least one second agent used by a second protecting service having taken out a subscription to at least one information-sharing service offered by the first protecting service, at least one piece of information relating to the attack identified by the first agent.

Abstract: A method for configuring a first network node using a first autonomous system (AS) number in at least one session established with another node according to a dynamic routing protocol is described. The method is implemented by the first node and includes receiving a configuration message comprising at least one piece of information that is representative of a second AS number intended to be used by the first node as a replacement for the first number, configuring the first node with the second AS number, identifying at least one second node having at least one session according to the dynamic routing protocol, active with the first node, in which the first node is associated with the first AS number, and sending a control message to the at least one second node requesting the replacement of the first AS number with the second AS number by the at least one second node, such that, after the replacement, the first node is associated with the second AS number in the at least one active session.

Abstract: A method for verifying validity of an IP resource associated with a client domain, implemented in an access control server. The method includes: receiving a list of at least one IP resource associated with the client domain, transmitted from a client node of the client domain to the access control server; selecting at least one IP resource to be validated from the list; and verifying the validity of the at least one selected IP resource.

Abstract: A method of communication, in which a communicating device is situated behind a residential gateway able to implement the QUIC (Quick UDP Internet Connection) protocol and connected to a plurality of paths Pi, where i=1, . . . , N, on which the gateway can dispatch data packets received from the communicating device, and receive packets of data intended for the communicating device. The method includes: the gateway associating a respective connection identifier C_ID #i with each of the paths Pi; and, when the gateway receives a data packet from the communicating device, the gateway transmits this data packet on one of the paths Pi while taking into account the connection identifier C_ID #i corresponding to this path Pi.

Abstract: A method of dynamic and interactive control of a residential gateway connected to a communication network. An entity located in the gateway and/or in the communication network implements the following steps: filtering incoming and outgoing streams entering and exiting the residential gateway so as to detect a stream compliant with a filtering template; in case of a stream compliant with the filtering template, triggering a sending of a notification to at least one first contact address associated with the gateway; and waiting for a decision sent from a second contact address associated with the gateway subsequent to the sending of the notification before actuating a corrective measure of a configuration of the residential gateway.

Abstract: A method for managing traffic associated with a client domain, implemented in a server. The method includes: detecting a communication problem between the server and at least one first client node of the client domain, called failed node, identifying at least one second client node belonging to the client domain, verifying if a session between the server and the at least one second client node is active, and if no session is active: triggering a mitigation procedure on at least one IP resource associated with the client domain if at least one session is active: the use of the second client node associated with the at least one active session, called active node, to initiate an action managing the traffic associated with the client domain.

Abstract: A method for sending an information item allows reputation management of IP resources in a set of networks including at least a first network and a second network. The method is implemented by a device of the first network, called an “emitter device”, an includes a step in which the emitter device sends to a device of the second network, called a “receiver device”, an information item representative of a prefix size of an IP address assigned to an equipment item connected to the first network.

Abstract: The disclosed technology relates to a method of rebooting a residential gateway. In one aspect, the residential gateway is connected, on the one hand, to a wide-area communications network and, on the other hand, to a local-area network in which the gateway implements the method in a consecutive order of: receiving a first action message comprising at least one order to shut down the gateway, the first action message being generated by an execution entity of the wide-area communications network and transmitted on the data link layer; storing a context of configuration of the local-area network associated with the gateway; shutting down the gateway; and rebooting the gateway according to the context of configuration previously stored.

Abstract: A method for processing a transaction between a source terminal and a destination terminal having a transaction phase is disclosed. In one aspect the method comprises receiving, by a source BTS, connected to the source terminal, a transaction request originating from the source terminal, the request carrying at least one identifier of the destination terminal and a transaction amount. Then obtaining, by the source BTS, destination terminal location information, on the basis of at least one location database, denoted BLDB, and the destination terminal identifier. Then determining, by the source BTS, at least one destination BTS, connected to the destination terminal, on the basis of the destination terminal location information. Then transmitting to the destination terminal, by the destination BTS, the request or one item of information relating to the transaction.

Abstract: A transmission control protocol communications method between a first device and a second device. The method includes the following acts: a) the first device, or a proxy connected to the first device, collects information about existence of network address translators and/or firewalls, if any, placed in series on at least one possible communications path between the first device and the second device and known to the first device or to the proxy connected to the first device; b) the first device or the proxy creates an entry in at least one such network address translator and/or firewall, the entry including at least one IP address and/or at least one port number of the first device; and c) the first device or the proxy transmits to the second device the at least one IP address and/or the at least one port number in a TCP option.

Abstract: The configuration method comprises: a step of receiving (E40, E80), by a first device of the network, a first control message (CMD, M1) comprising configuration elements for the activation of the dynamic routing protocol in the network; a step of configuring (E50, E90), by the first device, session establishment parameters according to said protocol used by the first device from configuration elements comprised in the first message; if the configuration elements comprised in the first message comprise at least one session management instruction according to said protocol in the network, a step of executing (E60, E110), by the first device, said at least one management instruction; and if the configuration elements comprised in the first message comprise a setpoint for the propagation of the configuration elements in the network, a step of sending (E70, E120), by the first device in accordance with said propagation setpoint, at least one second control message (M1, M2) to at least one second device of the n

Abstract: A residential gateway, which acts, after detecting a fault including at least one service to which the gateway normally gives access not being accessible or the quality of at least one service to which it normally gives access being degraded: to search for at least one IP route, referred to as an “emergency route”, to a destination for data associated with the service, and, if the gateway finds such an emergency route, using it to provide the service. The residential gateway is applicable to domestic gateways and to business gateways.

Abstract: A method of automatic setup by a first device of a session complying with a dynamic routing protocol with a second device. The setup method includes, subsequent to detection by the first device of existence of a connectivity with the second device, the first device being associated with a first autonomous system number and not knowing any autonomous system number associated with the second device: an exchange with the second device including announcement to the second device of the first autonomous system number, and discovery of a second autonomous system number with which the second device is associated; or allocation to the second device of a third autonomous system number and announcement to the second device of the third autonomous system number which has been allocated to it; and setup with the second device of a session according to the routing protocol by using the autonomous system numbers exchanged.

Abstract: A method for communication in an IP network is described. The method includes a first communicating device initializing a communication with a second communicating device, signalling to the second communicating device that the first communicating device is compatible with multi-path User Datagram Protocol (UDP) communications. If the second communicating device is also compatible with multi-path UDP communications, one of the first or second communicating devices transmits data to the other device using the UDP transport protocol, including in the messages containing said data, regardless of the path used, a single context identifier, allowing the receiving communicating device to correlate all of the UDP datagrams associated with the same multi-path UDP communication.

Abstract: A method for controlling a radio signal emitted by a device, so as to adapt the range thereof. The method includes: determining, by a controller, a level of radio signal emitted by the device on the edge of a deter mined zone; controlling, by the controller, an adaptation of the range of the radio signal emitted by the device according to the comparison of the signal level and a determined threshold.

Abstract: A communication method includes: a) receiving, by a client device suitable for implementing a simple transmission control protocol connection or a multipath connection, or else a relay device connected to the client device and suitable for implementing a multipath connection, in the absence of any multipath connection between the client device or the relay device as the case may be and some other client device, information about the compatibility, if any, with multipath connections of at least one intermediate node placed on a path connecting the client device, or the relay device, as the case may be, to the other client device; and b) the client device or the relay device storing the status of the path concerning its compatibility, if any, with multipath connections.

Abstract: A method is provided for dynamic discovery of service functions in an IP network including at least one PDP, responsible for taking decisions relative to the structuring of a service based on a set of service functions, called SF functions, and for notifying other nodes of the IP network of these decisions, and at least one SF node, associated with at least one SF function hosted at the SF node or accessible via the SF node. The method includes: the PDP node receives an announcement message sent by the SF node, the announcement message indicating at least one identifier and the location of the SF function associated with this SF node; and the PDP node updates a list of SF functions on the basis of information taken from the announcement message. The method can be applied to value added services, for example in an OSPF network.

Abstract: A method of configuring a network including a node incorporating decision-making functions, referred to as a PDP node, and at least two nodes incorporating decision-executing functions, referred to as PEP nodes, including at least one PEP node that is directly connected to the PDP node and at least one PEP node that is not directly connected to the PDP node. The method includes the following acts: identifying the PDP node from a message received by the PEP node; allocating to the PEP node at least one IP address that is distinct from a link-local address, the at least one IP address being obtained from a set of addresses known to the PDP node; and obtaining a list of at least one available IP address for allocation to at least one other node directly connected to the PEP node in the network and not possessing an IP address, referred to as a “undiscovered” node, which list, referred to as a list of delegated addresses, is transmitted by the PDP node and is obtained from the set of addresses.

Abstract: A method of communication, in which a communicating device is situated behind a residential gateway able to implement the QUIC (Quick UDP Internet Connection) protocol and connected to a plurality of paths Pi, where i=1, . . . , N, on which the gateway can dispatch data packets received from the communicating device, and receive packets of data intended for the communicating device. The method includes: the gateway associating a respective connection identifier C_ID # i with each of the paths Pi; and, when the gateway receives a data packet from the communicating device, the gateway transmits this data packet on one of the paths Pi while taking into account the connection identifier C_ID # i corresponding to this path Pi.

Abstract: A method for controlling a radio signal emitted by a device, so as to adapt the range thereof. The method includes: determining, by a controller, a level of radio signal emitted by the device on the edge of a deter mined zone; controlling, by the controller, an adaptation of the range of the radio signal emitted by the device according to the comparison of the signal level and a determined threshold.