Patent ID: 8098668

Claim:
A home agent for use in a telecommunications system, comprising: at least one moving network each having at least one mobile router, a number of said at least one mobile router belonging to said home agent, wherein the home agent comprises a layer 2 frame forwarding mechanism; the home agent being part of a first emulated local area network, encompassing a first set of said at least one moving network, which first emulated local area network is formed by a first set of layer 2 tunnels that interconnects said home agent with at least one of the mobile routers of each of the moving networks of the first set of moving networks, the home agent maintaining a tunnel interface of each tunnel of said first set of layer 2 tunnels; and wherein at least one of the tunnels of the first set of layer 2 tunnels is established in parallel with a NEMO tunnel between the home agent and a mobile router, such that the layer 2 tunnel and the NEMO tunnel share the same endpoint addresses and such that one tunnel endpoint of the layer 2 tunnel is an address of the home agent and the other tunnel endpoint is a care-of address of the mobile router.