吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (6): 2014-2019.doi: 10.13229/j.cnki.jdxbgxb201506040

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Time-constrained malleable reservation for network bandwidth in video cloud

ZHANG Hai-yang   

  1. Beijing Key Laboratory of Intelligent Telecommunications Software and Multimedia, Beijing University of Posts and Telecommunications, Beijing 100876
  • Received:2014-02-16 Online:2015-11-01 Published:2015-11-01

Abstract: In large-scale video stream service in video cloud, advanced reservation can cause high blocking probability and low bandwidth utilization. To overcome such problems, investigation on time-constrained malleable bandwidth reservation scheme is carried out. First, a finite malleable reservation model is defined. Then, based on this model, a time-constrained bandwidth fragment adjusting algorithm is proposed to improve bandwidth utilization. Finally, considering multi-path service of video streams in video cloud, the reservation algorithm is explored into multi-path mode, thus improving the success probability of bandwidth reservation. Simulation results show that, compared with other bandwidth reservation schemes, the proposed solution can effectively guarantee the QoS of video service while with lower blocking probability of bandwidth reservation.

Key words: computer application, video cloud, network bandwidth, malleable reservation, time-constrained

CLC Number: 

  • TP393
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