RealClass: an interactive-enable multi-channel live teaching system on overlay service network

  • Authors:

  • Weizhan Zhang;Qinghua Zheng;Yanze Lian;Xingzhuo Liu;Jixin Hou

  • Affiliations:

  • MOE KLINNS Lab and SKLMS Lab, Department of Computer Science and Technology, Xi’an Jiaotong University, Xi'an, China;MOE KLINNS Lab and SKLMS Lab, Department of Computer Science and Technology, Xi’an Jiaotong University, Xi'an, China;MOE KLINNS Lab and SKLMS Lab, Department of Computer Science and Technology, Xi’an Jiaotong University, Xi'an, China;MOE KLINNS Lab and SKLMS Lab, Department of Computer Science and Technology, Xi’an Jiaotong University, Xi'an, China;MOE KLINNS Lab and SKLMS Lab, Department of Computer Science and Technology, Xi’an Jiaotong University, Xi'an, China

  • Venue:
  • CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
  • Year:
  • 2009

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Abstract

In this demonstration, a prototype of live teaching system on overlay service network is presented. The system evolves the following novel characteristics: (1) Firstly, an infrastructure-based overlay multicast structure is introduced, providing multi-channel live media delivery with service differentiation on shared overlay service network. (2) Secondly, the system can support two-way interactive media as well as one-way live media at the same time. The enabling technology is a dynamic user interaction adjustment based on pre-reserved resources in the top layers of the tree. In the demonstration, diversified real-time services will be presented, including audio, video, instant message delivery for multi-channel live teaching scenario, and flexible interactive communication for group discussion.