A method for providing a service containing facilities in a peer-to-peer network comprising peer devices is provided. The peer devices may be associated with groups, each group being defined by a pre-determined facility. The pre-determined facility may be executed by each peer device associated with a respective group, and a selected peer device of a group executes the respective facility. A sequence of facilities and specifications to be executed is publicized in the peer-to-peer network, on the peer devices executing the respective facility by a peer device requesting the combined service, and the selection of the selected peer devices is carried out according to the publicized sequence and the publicized specifications.