The invention relates to a method for establishment of service relationships in a decentralised network (P2P), wherein a reciprocal decentralised communication is provided for a number of network elements (A,B,C,D). A login status or the first network element (A) may be set on the first network element (A), provided for a given service relationship (SVC1, SVC2). Before establishment of a service relationship (SVC1) the login status of the first network element (A) for said service relationship is determined.
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