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One method to improve video translation quality with packet differentiation in MPEG stream

This paper presents a method to improve MPEG video translation in TCP/IP wide area networks. Op¬posite to many proprietary applications where video quality and transmission rate depends on available bandwidth we elaborated an approach based on prioritized packet forwarding for frames being most important for successful video stream decoding. Our implementation is based on the standardized «Dif-ferentiated services architecture" with well-known AF PHB policy. This allows our approach to be implemented on common network equipment provided by leading vendors.