Route-optimised multicast traffic for a mobile network node

A transmission from the source service to the joint point set (G), method and node comprises: By one or multiple probable of multi-spots transmit the protocol network node (MNN) in network. The network - comprising: Router (MR), a between the network with Internet retransmits, serviceAnd, multi-point signal transmission gateway (MSG), comprising router (MR) in site, and an interface multi-point transmission routing protocol (MRP) signalling message in wireless groups member protocol message. The mobile network situation, wherein the interface is preferably a mobile router outlet interface. Multi-point signal transmission gateway (MSG) is preferably translate multi-point transmitting packet and provided with a unicast supply addresses between IPv4 and IPv6 protocol, and multi-point transmission destination addresses of multi-point transmitting packet.