Patent ID: 8627505
Filing Date: 2014-01-07
Classification: H04L

Abstract:
1. A method of controlling access by a client entity to a service in a communications network, wherein processing modules are interconnected in said network in order to provide the service to the client entity, where a processing module implements an individual function in a chain of individual functions associated with said service, said method comprising the following steps that are implemented by an access control device associated with an access node giving access to said service, said device being referred to as a main device: a step of receiving from said access node a request to control access to at least one processing module of a chain of processing modules, said chain being determined by said access node; a step of sending, to an access control device referred to as a secondary device and associated with the processing module of the chain, a request to access the processing module in question, said request including an access token negotiated between the main device and the client entity; a step of receiving, from the secondary device, a response to the access request; and a step of sending a notification to said access node, the notification including at least the response received from the secondary device.