34. The network node of claim 33 , wherein the XML tags within the at least one message are based on predetermined XML tags specifying respective prescribed quality of service attributes identifiable by the application resource, the selecting means configured for selecting the corresponding prescribed network parameter for each parsed XML tag for implementation of the corresponding prescribed quality of service attribute.
33. A network node comprising: means for receiving, for transfer between an application server configured for outputting a flow of data packets associated with an application service and a destination device configured for receiving the flow of data packets, a message having XML tags specifying prescribed user-selected quality of service attributes for the application service, the network node distinct from the destination device and the application server; means for parsing the XML tags for determining the prescribed user-selected quality of service attributes; and means for selecting network parameters, based on the means for selecting interpreting the XML tags and the prescribed user-selected quality of service attributes, enabling the flow of data packets to be transferred for the application service according to the user-selected quality of service attributes; means for identifying and transferring the flow of data packets between the application server and toward the destination device according to an open network protocol and the selected network parameters.