Abstract. Large-scale steaming media applications usually consume a significant amount of server and network resources due to the high bandwidth requirements and the long-lived nature of the streaming media objects. In this paper, we address the problem of efficiently streaming media object to the clients over a distributed infrastructure consisting of video server and proxy caches. We build on the earlier work and propose an adaptive batched patch caching scheme, which tightly combine the transmission scheduling with proxy caching. This scheme adaptively caches the next segment data at proxy from the ongoing entire stream, which depends on the current batching interval that has non-zero requests. We demonstrate the benefits of our scheme compare to the classical streaming strategies. Our evaluations show that this scheme can reduce significantly the consumption of aggregate bandwidth on backbone link within much wider range of request arrival rate.
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