The invention proposes a processing arrangement (to be used in a communication device, for example), wherein the processing arrangement comprises at least one data processing unit (1), and a communication unit (2) connected to the data processing unit (1), wherein the at least one data processing unit (1) is configured to perform data processing and the communication unit (2) is configured to provide a connection to the external, a packet transport control is used for the connection to the external, in which a plurality of addresses may be assigned to the communication unit (2), and the communication unit and the data processing unit comprise delivering means (13, 23) for delivering packets, which are to be delivered between the data processing unit (1) and the external, via an encapsulated connection (3) between the data processing unit and communication unit. The invention also proposes a corresponding communication method.