“…A QoS connection is the actual invocation and use of a service (QoS class). How the QoS is achieved depends on the underlying network protocols; it is expected in the future that the customer will be shielded from such specifics via middleware [2,23]. Once the QoS connection is established (provisioned), portions of the connection are sold (allocated) to individual users at a price; therefore, multiple users may share a single QoS connection, as seen in figure 1.…”