A method of routing messages in an IP-based signaling network is provided. Further, a network node (201) for performing such a routing of messages in an IP-based signaling network, is provided. The network node (201) comprises at least two interfaces (214, 215) and a processing unit (302) configured to route an incoming message received at a first of the at least two interfaces to a second interface of the at least two interfaces. Further, a relay network comprising plural of such network nodes as relay nodes is provided.
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