Abstract: The invention relates to a method for accessing to a service offered by a service provider on a communications network (2) from a terminal (T) through a multichannel access network (1), consisting in delivering by the service provider information at least concerning data about the address (@, P) of said service in the communications network (2) to a mediation module (4), in determining by the mediation module (4) at least one identifier (Sld, SClds) of a channel usable by the terminal (T) for accessing to the service and associating said channel identifier to information delivered by the service provider (S) and in receiving by the terminal (T) said channel identifier associated with information from the mediation module (4) when the service is detected. Said invention can be used for providing services through a multichannel access network or through a plurality of interfaces.

Abstract: A method of distributing data in a multicast network comprising one or more multicast groups. The method uses a remote advertisement server adapted to make available to one or more receivers useful data relating to one or more data source servers, each data source server being adapted to deliver data to one or more multicast groups. Said useful data can be read subsequently in order for one or more of these source servers then to be chosen by means of selection means. Also disclosed are an advertisement server and a system for implementing the method.