QFTP11 — Page 6 paragraph 4

The facets, receptacles, event sinks, and event sources interconnect the RCC group, which collaborate to provide support of QASF. They support QASF transforming input data and events into output data and events. The QASF are the external QoS system operations, which have a quality utility associated that express the degree of satisfaction of the operation, from the user or external system point of view. The quality utility is expressed in terms of quality types and quality constraints. The grouped RCC are not quality independent in the sense that their configuration and quality provided in

their facets and event sink may limit the quality behavior of another RCC. The end-to-end quality of a qualified functionality depends on the sequence of transformations developed along the RCC sequence. For example, the end-to end latency of a video signal transformation depends on the latency of all RCC*insert s* involved in the transformation operation.

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