Quality of service definition for data streams

摘要

The invention relates to a device, system and method a method for applying a certain Quality of Service (QoS) to a data stream (31a-31c, 32a-32b, 33a) of an application (31-33) communicating data over a sockets connection. The method comprises providing a uniquely identifiable identifier (UID, Stream Type) the application (31-33) or to the data stream (31a-31c, 32a-32b, 33a) from or to the application, and associating said identifier (UID, Stream Type) with a particular QoS in order to apply the particular QoS to the particular application (31-33) or to the particular data stream (31a-31c, 32a-32b, 33a), which application or data stream is identified by the identifier.