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This paper presents an analysis of measurements on a global route between Norway and China. Measurement statistics was collected every 10 milliseconds during a three-month period in October-December 2009. We provide a detailed characterization of observed loss and delay patterns especially focusing on downtime periods on the sub-second time scale (from 50 milliseconds to 1 second long). Generally,...
Since IPv6 is designed for fixed hosts, the extension of IPv6 to mobile IPv6 is necessary for management in mobile and wireless environment. In this paper, we present an assessment of current mobile IPv6 performance by the means of the network simulator ns-2 and its extension MOBIWAN. Three different tests have been carried out with different traffic types on different network topologies. We investigate...
VoIP is rapidly growing and widely used real-time voice service. On the path through the packet-switched networks, the regularity of VoIP stream is impaired by routing, queuing, scheduling and serialization effects, consequently resulting in loss and delay jitter of packets. Achieving high quality real-time voice requires smoothing the delay jitter at the receiver which is generally done by means...
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