Journal on Communications ›› 2015, Vol. 36 ›› Issue (1): 48-56.doi: 10.11959/j.issn.1000-436x.2015006

• Academic paper • Previous Articles     Next Articles

Multi-link minimum change dynamic bandwidth allocation algorithm with QoS support

IANGGen L1,2,UHe-wei Y3,UNLi-min S1,INYong Q4   

  1. 1 College of Science,Guangdong University of Petrochemical Technology,Maoming 525000,China
    2 Guangdong Province Key Laboratory of Petrochemical Equipment Fault Diagnosis,Maoming 525000,China
    3 School of Computer Science and Engineering,South China University of Technology,Guangzhou 510641,China
    4 School of Computer Science,Dongguan University of Technology,Dongguan 523808,China
  • Online:2015-01-25 Published:2017-06-21
  • Supported by:
    The National Natural Science Foundation of China;The National Natural Science Foundation of China;The Foundation for Distinguished Young Talents in Higher Education of Guangdong;The Natural Science Foundation of Guangdong Province

Abstract:

A multi-link minimum change dynamic bandwidth allocation (MCDBA) algorithm that supports QoS is proposed in this research.This algorithm realizes the supports of different levels of QoS and quantifies the size of bandwidth allocation.Under the condition of meeting certain QoS limitations,the minimal bandwidth changing amount is achieved.The simulation results verify that MCDBA can effectively reduce the latency of data packet and improve the system bandwidth utilization.Thus,it is believed that MCDBA can be used in the addressing of complex QoS control under large-scale multi-link access network.

Key words: QoS level, dynamic allocation, residual bandwidth, allocation conversion

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