US Patent 11025586 Multipath TCP with LTE connections

It is provided a method, comprising configuring a first internet protocol address and a second internet protocol address different from the first internet protocol address for a connection between an apparatus performing the method and a packet data network; assigning the first internet protocol address to a first data path for the connection and to assign the second internet protocol address to a second data path for the connection, wherein at least a part of the first data path belongs to a radio access technology; at least a part of the second data path belongs to the radio access technology; and the part of the first data path is different from the part of the second data path.