• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 26 Issue 1
Jan.  2013
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Article Contents
GAO Ang, XU Shuang, LI Zengzhi, LI Mo. P2P-Based Media Streaming Distribution Model and Its Application in Video Conference System[J]. Journal of Southwest Jiaotong University, 2013, 26(1): 88-93. doi: 10.3969/j.issn.0258-2724.2013.01.014
Citation: GAO Ang, XU Shuang, LI Zengzhi, LI Mo. P2P-Based Media Streaming Distribution Model and Its Application in Video Conference System[J]. Journal of Southwest Jiaotong University, 2013, 26(1): 88-93. doi: 10.3969/j.issn.0258-2724.2013.01.014

P2P-Based Media Streaming Distribution Model and Its Application in Video Conference System

doi: 10.3969/j.issn.0258-2724.2013.01.014
  • Received Date: 26 Feb 2012
  • Publish Date: 25 Feb 2013
  • In order to solve the problem of poor service quality of a traditional video conference system, a hybrid distribution model named VCStream (video conference stream) was proposed. In this model, a tree system is composed of source data nodes, and a reserve pool is used to store new nodes. As a result, in case the tree can not contain more nodes, another net system can be constructed by the nodes in the pool and all leaf nodes in the tree. Based on this model, a cyclic buffer and two-phase scheduling algorithm was designed to optimize transport for media streaming to enhance scalability and robustness. The experiment results show that compared with the tree topology and random topology models, the proposed model reduces 10%to 20% of transmitting delay and entering time of new nodes. Furthermore, the robustness of the proposed model is 5% higher than that of the random topology model, thus the proposed model meets the requirement of video conference systems.

     

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