| 摘要 |
A middleware for providing differentiated network transport services to federates of a distributed interactive virtual system (DIVS) for supporting exchange of respective virtual objects and interactions, uses priority-based and/or signaling-based QoS mechanisms (one of which) available on current data networks. Federates of the DIVS maintain extended attribute and parameter tables that include a QoS tuple that specifies QoS properties that are used to select and effect data transport as required. Preferably priority-based preemptive scheduled processing of runtime interface tasks is performed to further improve a quality of the federate session so that substantially real-time processing is possible.
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