Journal of Communications and Networks

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Optimal Offset-Time Decision for QoS in Optical Burst Switching Networks

  • Kim, Sung-Chang (Electronics and Telecommunications Research Institute (ETRI)) ;
  • Choi, Jin-Seek (Department of Computer education, Hanyang University) ;
  • Yoon, Bin-Yeong (Electronics and Telecommunications Research Institute (ETRI)) ;
  • Kang, Min-Ho (Optical Internet Research Center (OIRC), Information and Communication University (ICU))
  • Published : 2007.09.30
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Abstract

In this paper, we propose the optimal offset-time decision (OOD) algorithm which can effectively reduce the pre-transmission delay compared to the perfect isolation model, and can also be extended to general n priority classes while the target loss probability of each class is guaranteed for the variable offered load. In order to drive the OOD algorithm, we first analyze the loss probability of each priority class through class aggregation and iteration method; the analytic results obtained through the proposed algorithm are then validated with results garnered from extensive simulation tests.

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