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Research on Finite-timescale Bandwidth Provisioning for Aggregated Traffic |
Zhao Xin Wu Jiang-xing Lan Ju-long |
National Digital Switching System R&D Center, Zhengzhou 450002, China |
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Abstract Because of the characteristics of Internet best-effort and the complexity of the access network structure, it is difficult to meet the quality of services such as long range depend real-time interaction streaming media for Next Generation Broadcasting (NGB) network. According to statistical multiplexing of the quality of service guarantee policy framework, availability of finite-timescale bandwidth provisioning for streaming media traffic with self-similarity is proved. Furthermore, depending on the Poisson Pareto burst process traffic model, a bandwidth provisioning method is proposed based on traffic roughness that describes the burst of the traffic. And it is analyzed that the self-similarity of the aggregated traffic is dominated by the sub-traffic. So the burst can be reduced by the large scale aggregation of the traffic, and the finite-timescale bandwidth provisioning is critical for the deployment of Next Generation Broadcasting (NGB) network.
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Received: 10 April 2010
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Corresponding Authors:
Zhao Xin
E-mail: zhao.xin@msn.com
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