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Middleware Using Improved Transmission Tree Based on Overlay Multicast

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2013, 8(1), pp.19-30
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : February 28, 2013

김충련 1 Choi Sung Uk 1

1인천대학교

Accredited

ABSTRACT

Compared to IP multicast, overlay multicast is inefficient for the use of bandwidth, and the delay caused by disagreement between physical topology and overlay topology is unavoidable. Therefore, in the case of the situation in which subscription to and withdrawal from the group are dynamically realized, the effort of securing stability is required. For the sake of this, from this study, a middleware which manages communication service between client and server based on overlay multicast was presented. Proposed middleware constituted an effective transmission tree, and the weak point was improved by structuralizing server and client. As for the details of test, voice and image files were transmitted with identical condition on overlay multicast, and as for the test result, it could be confirmed that the performance of proposed middleware was improved around 20% compared to existing middleware. It could also be understood that securing stability of transmission tree, effective scheduling and connection, and so forth were also guaranteed.

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