Improving Resiliency Using Capacity-Aware Multicast Tree in P2P-Based Streaming Environments

  • Eunseok Kim
  • Jiyong Jang
  • Sungyoung Park
  • Alan Sussman
  • Jae Soo Yoo
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4208)


This paper presents a capacity-aware multicast tree construction scheme for P2P-based live streaming environments (R-CAT). The R-CAT builds resilient multicast trees by considering the capacity of participating nodes and locating the high capacity nodes toward the upper parts of the trees. The resulting trees become shallow and more resilient since the number of affected nodes is minimized when nodes leave or fail. We have implemented R-CAT on top of Splitstream, a high bandwidth streaming system using Pastry, and evaluated our scheme in terms of packet loss rate and end-to-end delay. The performance results show that R-CAT is more resilient and provides lower end-to-end delay under various group dynamics.


Packet Loss Selection Algorithm Child Node Parent Node Packet Loss Rate 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Eunseok Kim
    • 1
  • Jiyong Jang
    • 1
  • Sungyoung Park
    • 1
  • Alan Sussman
    • 2
  • Jae Soo Yoo
    • 3
  1. 1.Department of Computer Science and Interdisciplinary Program of Integrated BiotechnologySogang UniversitySeoulKorea
  2. 2.UMIACS and Department of Computer ScienceUniversity of MarylandUSA
  3. 3.School of Electrical and Computer EngineeringChungbuk National UniversityCheongju ChungbukKorea

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