A framework to enhance packet delivery in delay bounded overlay multicast

  • Authors:
  • Ki-Il Kim;Dong-Kyun Kim;Sang-Ha Kim

  • Affiliations:
  • Department of Computer Science, Chungnam National University, Daejeon, Korea;KISTI, Daejeon, Korea;Department of Computer Science, Chungnam National University, Daejeon, Korea

  • Venue:
  • ICOIN'05 Proceedings of the 2005 international conference on Information Networking: convergence in broadband and mobile networking
  • Year:
  • 2005

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Abstract

Overlay multicast has been proposed as an alternative scheme to provide one-to-many or many-to-many data delivery on Internet. However, since data delivery is entirely dependent on replications on each group member, if one member cannot receive a data packet, none of its children can receive that packet. Furthermore, the higher the member's level is, the more nodes cannot also receive data packet. In this paper, we give a detailed framework to enhance packet delivery ratio in overlay multicast. Unlike previous efforts based on duplicated forwarding, our scheme builds another type of overlay data delivery tree (DDT), which is adaptively reconstructed based on the number of group member's measured packet delivery ratio while guaranteeing end-to-end delay bound. Through practical simulation results, we analyzed packet delivery ratio, control overhead, and end-to-end delay.